+ * DI container

+ *

+ * @var \Symfony\Component\DependencyInjection\ContainerInterface

+ */

+ protected $phpbb_container;

+

+ /**

+ * @param \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container DI container

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request $request, \phpbb\user $user, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, $phpbb_root_path, $php_ext)

+ $this->phpbb_container = $phpbb_container;

+ $captcha_factory = $this->phpbb_container->get('captcha.factory');

+ $captcha = $captcha_factory->get_instance($this->config['captcha_plugin']);

+ * DI container

+ *

+ * @var \Symfony\Component\DependencyInjection\ContainerInterface

+ */

+ protected $phpbb_container;

+

+ /**

+ * @param \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container DI container

+ public function __construct(\phpbb\db\driver\driver_interface $db, \phpbb\config\config $config, \phpbb\passwords\manager $passwords_manager, \phpbb\request\request_interface $request, \phpbb\user $user, $auth_provider_oauth_token_storage_table, $auth_provider_oauth_token_account_assoc, \phpbb\di\service_collection $service_providers, $users_table, \Symfony\Component\DependencyInjection\ContainerInterface $phpbb_container, $phpbb_root_path, $php_ext)

+ $this->phpbb_container = $phpbb_container;

+ $provider = new \phpbb\auth\provider\db($this->db, $this->config, $this->passwords_manager, $this->request, $this->user, $this->phpbb_container, $this->phpbb_root_path, $this->php_ext);

+ if (empty($row['avatar']))

+ {

+ return false;

+ }

+

+ if (empty($url))

+ {

+ return false;

+ }

+

+ 'avatar_width' => 0,

+ 'avatar_height' => 0,

+

+ /**

+ * Handle deleting avatars

+ *

+ * @param \phpbb\db\driver\driver_interface $db phpBB dbal

+ * @param \phpbb\user $user phpBB user object

+ * @param array $avatar_data Cleaned user data containing the user's

+ * avatar data

+ * @param string $table Database table from which the avatar should be deleted

+ * @param string $prefix Prefix of user data columns in database

+ * @return null

+ */

+ public function handle_avatar_delete(\phpbb\db\driver\driver_interface $db, \phpbb\user $user, $avatar_data, $table, $prefix)

+ {

+ if ($driver = $this->get_driver($avatar_data['avatar_type']))

+ {

+ $driver->delete($avatar_data);

+ }

+

+ $result = self::$default_row;

+

+ foreach ($result as $key => $value)

+ {

+ $result[$prefix . $key] = $value;

+ unset($result[$key]);

+ }

+

+ $sql = 'UPDATE ' . $table . '

+ SET ' . $db->sql_build_array('UPDATE', $result) . '

+ WHERE ' . $prefix . 'id = ' . (int) $avatar_data['id'];

+ $db->sql_query($sql);

+ }

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+class char_cube3d

+{

+ var $bitmap;

+ var $bitmap_width;

+ var $bitmap_height;

+

+ var $basis_matrix = array(array(1, 0, 0), array(0, 1, 0), array(0, 0, 1));

+ var $abs_x = array(1, 0);

+ var $abs_y = array(0, 1);

+ var $x = 0;

+ var $y = 1;

+ var $z = 2;

+ var $letter = '';

+

+ /**

+ */

+ function __construct(&$bitmaps, $letter)

+ {

+ $this->bitmap = $bitmaps['data'][$letter];

+ $this->bitmap_width = $bitmaps['width'];

+ $this->bitmap_height = $bitmaps['height'];

+

+ $this->basis_matrix[0][0] = mt_rand(-600, 600);

+ $this->basis_matrix[0][1] = mt_rand(-600, 600);

+ $this->basis_matrix[0][2] = (mt_rand(0, 1) * 2000) - 1000;

+ $this->basis_matrix[1][0] = mt_rand(-1000, 1000);

+ $this->basis_matrix[1][1] = mt_rand(-1000, 1000);

+ $this->basis_matrix[1][2] = mt_rand(-1000, 1000);

+

+ $this->normalize($this->basis_matrix[0]);

+ $this->normalize($this->basis_matrix[1]);

+ $this->basis_matrix[2] = $this->cross_product($this->basis_matrix[0], $this->basis_matrix[1]);

+ $this->normalize($this->basis_matrix[2]);

+

+ // $this->basis_matrix[1] might not be (probably isn't) orthogonal to $basis_matrix[0]

+ $this->basis_matrix[1] = $this->cross_product($this->basis_matrix[0], $this->basis_matrix[2]);

+ $this->normalize($this->basis_matrix[1]);

+

+ // Make sure our cube is facing into the canvas (assuming +z == in)

+ for ($i = 0; $i < 3; ++$i)

+ {

+ if ($this->basis_matrix[$i][2] < 0)

+ {

+ $this->basis_matrix[$i][0] *= -1;

+ $this->basis_matrix[$i][1] *= -1;

+ $this->basis_matrix[$i][2] *= -1;

+ }

+ }

+

+ // Force our "z" basis vector to be the one with greatest absolute z value

+ $this->x = 0;

+ $this->y = 1;

+ $this->z = 2;

+

+ // Swap "y" with "z"

+ if ($this->basis_matrix[1][2] > $this->basis_matrix[2][2])

+ {

+ $this->z = 1;

+ $this->y = 2;

+ }

+

+ // Swap "x" with "z"

+ if ($this->basis_matrix[0][2] > $this->basis_matrix[$this->z][2])

+ {

+ $this->x = $this->z;

+ $this->z = 0;

+ }

+

+ // Still need to determine which of $x,$y are which.

+ // wrong orientation if y's y-component is less than it's x-component

+ // likewise if x's x-component is less than it's y-component

+ // if they disagree, go with the one with the greater weight difference.

+ // rotate if positive

+ $weight = (abs($this->basis_matrix[$this->x][1]) - abs($this->basis_matrix[$this->x][0])) + (abs($this->basis_matrix[$this->y][0]) - abs($this->basis_matrix[$this->y][1]));

+

+ // Swap "x" with "y"

+ if ($weight > 0)

+ {

+ list($this->x, $this->y) = array($this->y, $this->x);

+ }

+

+ $this->abs_x = array($this->basis_matrix[$this->x][0], $this->basis_matrix[$this->x][1]);

+ $this->abs_y = array($this->basis_matrix[$this->y][0], $this->basis_matrix[$this->y][1]);

+

+ if ($this->abs_x[0] < 0)

+ {

+ $this->abs_x[0] *= -1;

+ $this->abs_x[1] *= -1;

+ }

+

+ if ($this->abs_y[1] > 0)

+ {

+ $this->abs_y[0] *= -1;

+ $this->abs_y[1] *= -1;

+ }

+

+ $this->letter = $letter;

+ }

+

+ /**

+ * Draw a character

+ */

+ function drawchar($scale, $xoff, $yoff, $img, $background, $colours)

+ {

+ $width = $this->bitmap_width;

+ $height = $this->bitmap_height;

+ $bitmap = $this->bitmap;

+

+ $colour1 = $colours[array_rand($colours)];

+ $colour2 = $colours[array_rand($colours)];

+

+ $swapx = ($this->basis_matrix[$this->x][0] > 0);

+ $swapy = ($this->basis_matrix[$this->y][1] < 0);

+

+ for ($y = 0; $y < $height; ++$y)

+ {

+ for ($x = 0; $x < $width; ++$x)

+ {

+ $xp = ($swapx) ? ($width - $x - 1) : $x;

+ $yp = ($swapy) ? ($height - $y - 1) : $y;

+

+ if ($bitmap[$height - $yp - 1][$xp])

+ {

+ $dx = $this->scale($this->abs_x, ($xp - ($swapx ? ($width / 2) : ($width / 2) - 1)) * $scale);

+ $dy = $this->scale($this->abs_y, ($yp - ($swapy ? ($height / 2) : ($height / 2) - 1)) * $scale);

+ $xo = $xoff + $dx[0] + $dy[0];

+ $yo = $yoff + $dx[1] + $dy[1];

+

+ $origin = array(0, 0, 0);

+ $xvec = $this->scale($this->basis_matrix[$this->x], $scale);

+ $yvec = $this->scale($this->basis_matrix[$this->y], $scale);

+ $face_corner = $this->sum2($xvec, $yvec);

+

+ $zvec = $this->scale($this->basis_matrix[$this->z], $scale);

+ $x_corner = $this->sum2($xvec, $zvec);

+ $y_corner = $this->sum2($yvec, $zvec);

+

+ imagefilledpolygon($img, $this->gen_poly($xo, $yo, $origin, $xvec, $x_corner,$zvec), 4, $colour1);

+ imagefilledpolygon($img, $this->gen_poly($xo, $yo, $origin, $yvec, $y_corner,$zvec), 4, $colour2);

+

+ $face = $this->gen_poly($xo, $yo, $origin, $xvec, $face_corner, $yvec);

+

+ imagefilledpolygon($img, $face, 4, $background);

+ imagepolygon($img, $face, 4, $colour1);

+ }

+ }

+ }

+ }

+

+ /*

+ * return a roughly acceptable range of sizes for rendering with this texttype

+ */

+ function range()

+ {

+ return array(3, 4);

+ }

+

+ /**

+ * Vector length

+ */

+ function vectorlen($vector)

+ {

+ return sqrt(pow($vector[0], 2) + pow($vector[1], 2) + pow($vector[2], 2));

+ }

+

+ /**

+ * Normalize

+ */

+ function normalize(&$vector, $length = 1)

+ {

+ $length = (( $length < 1) ? 1 : $length);

+ $length /= $this->vectorlen($vector);

+ $vector[0] *= $length;

+ $vector[1] *= $length;

+ $vector[2] *= $length;

+ }

+

+ /**

+ */

+ function cross_product($vector1, $vector2)

+ {

+ $retval = array(0, 0, 0);

+ $retval[0] = (($vector1[1] * $vector2[2]) - ($vector1[2] * $vector2[1]));

+ $retval[1] = -(($vector1[0] * $vector2[2]) - ($vector1[2] * $vector2[0]));

+ $retval[2] = (($vector1[0] * $vector2[1]) - ($vector1[1] * $vector2[0]));

+

+ return $retval;

+ }

+

+ /**

+ */

+ function sum($vector1, $vector2)

+ {

+ return array($vector1[0] + $vector2[0], $vector1[1] + $vector2[1], $vector1[2] + $vector2[2]);

+ }

+

+ /**

+ */

+ function sum2($vector1, $vector2)

+ {

+ return array($vector1[0] + $vector2[0], $vector1[1] + $vector2[1]);

+ }

+

+ /**

+ */

+ function scale($vector, $length)

+ {

+ if (sizeof($vector) == 2)

+ {

+ return array($vector[0] * $length, $vector[1] * $length);

+ }

+

+ return array($vector[0] * $length, $vector[1] * $length, $vector[2] * $length);

+ }

+

+ /**

+ */

+ function gen_poly($xoff, $yoff, &$vec1, &$vec2, &$vec3, &$vec4)

+ {

+ $poly = array();

+ $poly[0] = $xoff + $vec1[0];

+ $poly[1] = $yoff + $vec1[1];

+ $poly[2] = $xoff + $vec2[0];

+ $poly[3] = $yoff + $vec2[1];

+ $poly[4] = $xoff + $vec3[0];

+ $poly[5] = $yoff + $vec3[1];

+ $poly[6] = $xoff + $vec4[0];

+ $poly[7] = $yoff + $vec4[1];

+

+ return $poly;

+ }

+

+ /**

+ * dimensions

+ */

+ function dimensions($size)

+ {

+ $xn = $this->scale($this->basis_matrix[$this->x], -($this->bitmap_width / 2) * $size);

+ $xp = $this->scale($this->basis_matrix[$this->x], ($this->bitmap_width / 2) * $size);

+ $yn = $this->scale($this->basis_matrix[$this->y], -($this->bitmap_height / 2) * $size);

+ $yp = $this->scale($this->basis_matrix[$this->y], ($this->bitmap_height / 2) * $size);

+

+ $p = array();

+ $p[0] = $this->sum2($xn, $yn);

+ $p[1] = $this->sum2($xp, $yn);

+ $p[2] = $this->sum2($xp, $yp);

+ $p[3] = $this->sum2($xn, $yp);

+

+ $min_x = $max_x = $p[0][0];

+ $min_y = $max_y = $p[0][1];

+

+ for ($i = 1; $i < 4; ++$i)

+ {

+ $min_x = ($min_x > $p[$i][0]) ? $p[$i][0] : $min_x;

+ $min_y = ($min_y > $p[$i][1]) ? $p[$i][1] : $min_y;

+ $max_x = ($max_x < $p[$i][0]) ? $p[$i][0] : $max_x;

+ $max_y = ($max_y < $p[$i][1]) ? $p[$i][1] : $max_y;

+ }

+

+ return array($min_x, $min_y, $max_x, $max_y);

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+class colour_manager

+{

+ var $img;

+ var $mode;

+ var $colours;

+ var $named_colours;

+

+ /**

+ * Create the colour manager, link it to the image resource

+ */

+ function __construct($img, $background = false, $mode = 'ahsv')

+ {

+ $this->img = $img;

+ $this->mode = $mode;

+ $this->colours = array();

+ $this->named_colours = array();

+

+ if ($background !== false)

+ {

+ $bg = $this->allocate_named('background', $background);

+ imagefill($this->img, 0, 0, $bg);

+ }

+ }

+

+ /**

+ * Lookup a named colour resource

+ */

+ function get_resource($named_colour)

+ {

+ if (isset($this->named_colours[$named_colour]))

+ {

+ return $this->named_colours[$named_colour];

+ }

+

+ if (isset($this->named_rgb[$named_colour]))

+ {

+ return $this->allocate_named($named_colour, $this->named_rgb[$named_colour], 'rgb');

+ }

+

+ return false;

+ }

+

+ /**

+ * Assign a name to a colour resource

+ */

+ function name_colour($name, $resource)

+ {

+ $this->named_colours[$name] = $resource;

+ }

+

+ /**

+ * names and allocates a colour resource

+ */

+ function allocate_named($name, $colour, $mode = false)

+ {

+ $resource = $this->allocate($colour, $mode);

+

+ if ($resource !== false)

+ {

+ $this->name_colour($name, $resource);

+ }

+ return $resource;

+ }

+

+ /**

+ * allocates a specified colour into the image

+ */

+ function allocate($colour, $mode = false)

+ {

+ if ($mode === false)

+ {

+ $mode = $this->mode;

+ }

+

+ if (!is_array($colour))

+ {

+ if (isset($this->named_rgb[$colour]))

+ {

+ return $this->allocate_named($colour, $this->named_rgb[$colour], 'rgb');

+ }

+

+ if (!is_int($colour))

+ {

+ return false;

+ }

+

+ $mode = 'rgb';

+ $colour = array(255 & ($colour >> 16), 255 & ($colour >> 8), 255 & $colour);

+ }

+

+ if (isset($colour['mode']))

+ {

+ $mode = $colour['mode'];

+ unset($colour['mode']);

+ }

+

+ if (isset($colour['random']))

+ {

+ unset($colour['random']);

+ // everything else is params

+ return $this->random_colour($colour, $mode);

+ }

+

+ $rgb = $this->model_convert($colour, $mode, 'rgb');

+ $store = ($this->mode == 'rgb') ? $rgb : $this->model_convert($colour, $mode, $this->mode);

+ $resource = imagecolorallocate($this->img, $rgb[0], $rgb[1], $rgb[2]);

+ $this->colours[$resource] = $store;

+

+ return $resource;

+ }

+

+ /**

+ * randomly generates a colour, with optional params

+ */

+ function random_colour($params = array(), $mode = false)

+ {

+ if ($mode === false)

+ {

+ $mode = $this->mode;

+ }

+

+ switch ($mode)

+ {

+ case 'rgb':

+ // @TODO random rgb generation. do we intend to do this, or is it just too tedious?

+ break;

+

+ case 'ahsv':

+ case 'hsv':

+ default:

+

+ $default_params = array(

+ 'hue_bias' => false, // degree / 'r'/'g'/'b'/'c'/'m'/'y' /'o'

+ 'hue_range' => false, // if hue bias, then difference range +/- from bias

+ 'min_saturation' => 30, // 0 - 100

+ 'max_saturation' => 80, // 0 - 100

+ 'min_value' => 30, // 0 - 100

+ 'max_value' => 80, // 0 - 100

+ );

+

+ $alt = ($mode == 'ahsv') ? true : false;

+ $params = array_merge($default_params, $params);

+

+ $min_hue = 0;

+ $max_hue = 359;

+ $min_saturation = max(0, $params['min_saturation']);

+ $max_saturation = min(100, $params['max_saturation']);

+ $min_value = max(0, $params['min_value']);

+ $max_value = min(100, $params['max_value']);

+

+ if ($params['hue_bias'] !== false)

+ {

+ if (is_numeric($params['hue_bias']))

+ {

+ $h = intval($params['hue_bias']) % 360;

+ }

+ else

+ {

+ switch ($params['hue_bias'])

+ {

+ case 'o':

+ $h = $alt ? 60 : 30;

+ break;

+

+ case 'y':

+ $h = $alt ? 120 : 60;

+ break;

+

+ case 'g':

+ $h = $alt ? 180 : 120;

+ break;

+

+ case 'c':

+ $h = $alt ? 210 : 180;

+ break;

+

+ case 'b':

+ $h = 240;

+ break;

+

+ case 'm':

+ $h = 300;

+ break;

+

+ case 'r':

+ default:

+ $h = 0;

+ break;

+ }

+ }

+

+ $min_hue = $h + 360;

+ $max_hue = $h + 360;

+

+ if ($params['hue_range'])

+ {

+ $min_hue -= min(180, $params['hue_range']);

+ $max_hue += min(180, $params['hue_range']);

+ }

+ }

+

+ $h = mt_rand($min_hue, $max_hue);

+ $s = mt_rand($min_saturation, $max_saturation);

+ $v = mt_rand($min_value, $max_value);

+

+ return $this->allocate(array($h, $s, $v), $mode);

+

+ break;

+ }

+ }

+

+ /**

+ */

+ function colour_scheme($resource, $include_original = true)

+ {

+ $mode = 'hsv';

+

+ if (($pre = $this->get_resource($resource)) !== false)

+ {

+ $resource = $pre;

+ }

+

+ $colour = $this->model_convert($this->colours[$resource], $this->mode, $mode);

+ $results = ($include_original) ? array($resource) : array();

+ $colour2 = $colour3 = $colour4 = $colour;

+ $colour2[0] += 150;

+ $colour3[0] += 180;

+ $colour4[0] += 210;

+

+ $results[] = $this->allocate($colour2, $mode);

+ $results[] = $this->allocate($colour3, $mode);

+ $results[] = $this->allocate($colour4, $mode);

+

+ return $results;

+ }

+

+ /**

+ */

+ function mono_range($resource, $count = 5, $include_original = true)

+ {

+ if (is_array($resource))

+ {

+ $results = array();

+ for ($i = 0, $size = sizeof($resource); $i < $size; ++$i)

+ {

+ $results = array_merge($results, $this->mono_range($resource[$i], $count, $include_original));

+ }

+ return $results;

+ }

+

+ $mode = (in_array($this->mode, array('hsv', 'ahsv'), true) ? $this->mode : 'ahsv');

+ if (($pre = $this->get_resource($resource)) !== false)

+ {

+ $resource = $pre;

+ }

+

+ $colour = $this->model_convert($this->colours[$resource], $this->mode, $mode);

+

+ $results = array();

+ if ($include_original)

+ {

+ $results[] = $resource;

+ $count--;

+ }

+

+ // This is a hard problem. I chicken out and try to maintain readability at the cost of less randomness.

+

+ while ($count > 0)

+ {

+ $colour[1] = ($colour[1] + mt_rand(40,60)) % 99;

+ $colour[2] = ($colour[2] + mt_rand(40,60));

+ $results[] = $this->allocate($colour, $mode);

+ $count--;

+ }

+ return $results;

+ }

+

+ /**

+ * Convert from one colour model to another

+ */

+ function model_convert($colour, $from_model, $to_model)

+ {

+ if ($from_model == $to_model)

+ {

+ return $colour;

+ }

+

+ switch ($to_model)

+ {

+ case 'hsv':

+

+ switch ($from_model)

+ {

+ case 'ahsv':

+ return $this->ah2h($colour);

+ break;

+

+ case 'rgb':

+ return $this->rgb2hsv($colour);

+ break;

+ }

+ break;

+

+ case 'ahsv':

+

+ switch ($from_model)

+ {

+ case 'hsv':

+ return $this->h2ah($colour);

+ break;

+

+ case 'rgb':

+ return $this->h2ah($this->rgb2hsv($colour));

+ break;

+ }

+ break;

+

+ case 'rgb':

+ switch ($from_model)

+ {

+ case 'hsv':

+ return $this->hsv2rgb($colour);

+ break;

+

+ case 'ahsv':

+ return $this->hsv2rgb($this->ah2h($colour));

+ break;

+ }

+ break;

+ }

+ return false;

+ }

+

+ /**

+ * Slightly altered from wikipedia's algorithm

+ */

+ function hsv2rgb($hsv)

+ {

+ $this->normalize_hue($hsv[0]);

+

+ $h = $hsv[0];

+ $s = min(1, max(0, $hsv[1] / 100));

+ $v = min(1, max(0, $hsv[2] / 100));

+

+ // calculate hue sector

+ $hi = floor($hsv[0] / 60);

+

+ // calculate opposite colour

+ $p = $v * (1 - $s);

+

+ // calculate distance between hex vertices

+ $f = ($h / 60) - $hi;

+

+ // coming in or going out?

+ if (!($hi & 1))

+ {

+ $f = 1 - $f;

+ }

+

+ // calculate adjacent colour

+ $q = $v * (1 - ($f * $s));

+

+ switch ($hi)

+ {

+ case 0:

+ $rgb = array($v, $q, $p);

+ break;

+

+ case 1:

+ $rgb = array($q, $v, $p);

+ break;

+

+ case 2:

+ $rgb = array($p, $v, $q);

+ break;

+

+ case 3:

+ $rgb = array($p, $q, $v);

+ break;

+

+ case 4:

+ $rgb = array($q, $p, $v);

+ break;

+

+ case 5:

+ $rgb = array($v, $p, $q);

+ break;

+

+ default:

+ return array(0, 0, 0);

+ break;

+ }

+

+ return array(255 * $rgb[0], 255 * $rgb[1], 255 * $rgb[2]);

+ }

+

+ /**

+ * (more than) Slightly altered from wikipedia's algorithm

+ */

+ function rgb2hsv($rgb)

+ {

+ $r = min(255, max(0, $rgb[0]));

+ $g = min(255, max(0, $rgb[1]));

+ $b = min(255, max(0, $rgb[2]));

+ $max = max($r, $g, $b);

+ $min = min($r, $g, $b);

+

+ $v = $max / 255;

+ $s = (!$max) ? 0 : 1 - ($min / $max);

+

+ // if max - min is 0, we want hue to be 0 anyway.

+ $h = $max - $min;

+

+ if ($h)

+ {

+ switch ($max)

+ {

+ case $g:

+ $h = 120 + (60 * ($b - $r) / $h);

+ break;

+

+ case $b:

+ $h = 240 + (60 * ($r - $g) / $h);

+ break;

+

+ case $r:

+ $h = 360 + (60 * ($g - $b) / $h);

+ break;

+ }

+ }

+ $this->normalize_hue($h);

+

+ return array($h, $s * 100, $v * 100);

+ }

+

+ /**

+ */

+ function normalize_hue(&$hue)

+ {

+ $hue %= 360;

+

+ if ($hue < 0)

+ {

+ $hue += 360;

+ }

+ }

+

+ /**

+ * Alternate hue to hue

+ */

+ function ah2h($ahue)

+ {

+ if (is_array($ahue))

+ {

+ $ahue[0] = $this->ah2h($ahue[0]);

+ return $ahue;

+ }

+ $this->normalize_hue($ahue);

+

+ // blue through red is already ok

+ if ($ahue >= 240)

+ {

+ return $ahue;

+ }

+

+ // ahue green is at 180

+ if ($ahue >= 180)

+ {

+ // return (240 - (2 * (240 - $ahue)));

+ return (2 * $ahue) - 240; // equivalent

+ }

+

+ // ahue yellow is at 120 (RYB rather than RGB)

+ if ($ahue >= 120)

+ {

+ return $ahue - 60;

+ }

+

+ return $ahue / 2;

+ }

+

+ /**

+ * hue to Alternate hue

+ */

+ function h2ah($hue)

+ {

+ if (is_array($hue))

+ {

+ $hue[0] = $this->h2ah($hue[0]);

+ return $hue;

+ }

+ $this->normalize_hue($hue);

+

+ // blue through red is already ok

+ if ($hue >= 240)

+ {

+ return $hue;

+ }

+ else if ($hue <= 60)

+ {

+ return $hue * 2;

+ }

+ else if ($hue <= 120)

+ {

+ return $hue + 60;

+ }

+ else

+ {

+ return ($hue + 240) / 2;

+ }

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+class factory

+{

+ /**

+ * @var \Symfony\Component\DependencyInjection\ContainerInterface

+ */

+ private $container;

+

+ /**

+ * @var \phpbb\di\service_collection

+ */

+ private $plugins;

+

+ /**

+ * Constructor

+ *

+ * @param \Symfony\Component\DependencyInjection\ContainerInterface $container

+ * @param \phpbb\di\service_collection $plugins

+ */

+ public function __construct(\Symfony\Component\DependencyInjection\ContainerInterface $container, \phpbb\di\service_collection $plugins)

+ {

+ $this->container = $container;

+ $this->plugins = $plugins;

+ }

+

+ /**

+ * Return a new instance of a given plugin

+ *

+ * @param $name

+ * @return object

+ */

+ public function get_instance($name)

+ {

+ return $this->container->get($name);

+ }

+

+ /**

+ * Call the garbage collector

+ *

+ * @param string $name The name to the captcha service.

+ */

+ function garbage_collect($name)

+ {

+ $captcha = $this->get_instance($name);

+ $captcha->garbage_collect(0);

+ }

+

+ /**

+ * Return a list of all registered CAPTCHA plugins

+ *

+ * @returns array

+ */

+ function get_captcha_types()

+ {

+ $captchas = array(

+ 'available' => array(),

+ 'unavailable' => array(),

+ );

+

+ foreach ($this->plugins as $plugin => $plugin_instance)

+ {

+ if ($plugin_instance->is_available())

+ {

+ $captchas['available'][$plugin] = $plugin_instance->get_name();

+ }

+ else

+ {

+ $captchas['unavailable'][$plugin] = $plugin_instance->get_name();

+ }

+ }

+

+ return $captchas;

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+class gd

+{

+ var $width = 360;

+ var $height = 96;

+

+ /**

+ * Create the image containing $code with a seed of $seed

+ */

+ function execute($code, $seed)

+ {

+ global $config;

+

+ mt_srand($seed);

+

+ // Create image

+ $img = imagecreatetruecolor($this->width, $this->height);

+

+ // Generate colours

+ $colour = new colour_manager($img, array(

+ 'random' => true,

+ 'min_value' => 60,

+ ), 'hsv');

+

+ $scheme = $colour->colour_scheme('background', false);

+ $scheme = $colour->mono_range($scheme, 10, false);

+ shuffle($scheme);

+

+ $bg_colours = array_splice($scheme, mt_rand(6, 12));

+

+ // Generate code characters

+ $characters = $sizes = $bounding_boxes = $noise = array();

+ $width_avail = $this->width - 15;

+ $code_len = strlen($code);

+ $captcha_bitmaps = $this->captcha_bitmaps();

+

+ for ($i = 0; $i < $code_len; ++$i)

+ {

+ $characters[$i] = new char_cube3d($captcha_bitmaps, $code[$i]);

+

+ list($min, $max) = $characters[$i]->range();

+ $sizes[$i] = mt_rand($min, $max);

+

+ $box = $characters[$i]->dimensions($sizes[$i]);

+ $width_avail -= ($box[2] - $box[0]);

+ $bounding_boxes[$i] = $box;

+ }

+

+ // Redistribute leftover x-space

+ $offset = array();

+ for ($i = 0; $i < $code_len; ++$i)

+ {

+ $denom = ($code_len - $i);

+ $denom = max(1.3, $denom);

+ $offset[$i] = phpbb_mt_rand(0, (int) round((1.5 * $width_avail) / $denom));

+ $width_avail -= $offset[$i];

+ }

+

+ if ($config['captcha_gd_x_grid'])

+ {

+ $grid = (int) $config['captcha_gd_x_grid'];

+ for ($y = 0; $y < $this->height; $y += mt_rand($grid - 2, $grid + 2))

+ {

+ $current_colour = $scheme[array_rand($scheme)];

+ imageline($img, mt_rand(0,4), mt_rand($y - 3, $y), mt_rand($this->width - 5, $this->width), mt_rand($y - 3, $y), $current_colour);

+ }

+ }

+

+ if ($config['captcha_gd_y_grid'])

+ {

+ $grid = (int) $config['captcha_gd_y_grid'];

+ for ($x = 0; $x < $this->width; $x += mt_rand($grid - 2, $grid + 2))

+ {

+ $current_colour = $scheme[array_rand($scheme)];

+ imagedashedline($img, mt_rand($x -3, $x + 3), mt_rand(0, 4), mt_rand($x -3, $x + 3), mt_rand($this->height - 5, $this->height), $current_colour);

+ }

+ }

+

+ if ($config['captcha_gd_wave'] && ($config['captcha_gd_y_grid'] || $config['captcha_gd_y_grid']))

+ {

+ $this->wave($img);

+ }

+

+ if ($config['captcha_gd_3d_noise'])

+ {

+ $xoffset = mt_rand(0,9);

+ $noise_bitmaps = $this->captcha_noise_bg_bitmaps();

+ for ($i = 0; $i < $code_len; ++$i)

+ {

+ $noise[$i] = new char_cube3d($noise_bitmaps, mt_rand(1, sizeof($noise_bitmaps['data'])));

+

+ list($min, $max) = $noise[$i]->range();

+ //$box = $noise[$i]->dimensions($sizes[$i]);

+ }

+ $xoffset = 0;

+ for ($i = 0; $i < $code_len; ++$i)

+ {

+ $dimm = $bounding_boxes[$i];

+ $xoffset += ($offset[$i] - $dimm[0]);

+ $yoffset = mt_rand(-$dimm[1], $this->height - $dimm[3]);

+

+ $noise[$i]->drawchar($sizes[$i], $xoffset, $yoffset, $img, $colour->get_resource('background'), $scheme);

+ $xoffset += $dimm[2];

+ }

+ }

+

+ $xoffset = 5;

+ for ($i = 0; $i < $code_len; ++$i)

+ {

+ $dimm = $bounding_boxes[$i];

+ $xoffset += ($offset[$i] - $dimm[0]);

+ $yoffset = mt_rand(-$dimm[1], $this->height - $dimm[3]);

+

+ $characters[$i]->drawchar($sizes[$i], $xoffset, $yoffset, $img, $colour->get_resource('background'), $scheme);

+ $xoffset += $dimm[2];

+ }

+

+ if ($config['captcha_gd_wave'])

+ {

+ $this->wave($img);

+ }

+

+ if ($config['captcha_gd_foreground_noise'])

+ {

+ $this->noise_line($img, 0, 0, $this->width, $this->height, $colour->get_resource('background'), $scheme, $bg_colours);

+ }

+

+ // Send image

+ header('Content-Type: image/png');

+ header('Cache-control: no-cache, no-store');

+ imagepng($img);

+ imagedestroy($img);

+ }

+

+ /**

+ * Sinus

+ */

+ function wave($img)

+ {

+ global $config;

+

+ $period_x = mt_rand(12,18);

+ $period_y = mt_rand(7,14);

+ $amp_x = mt_rand(5,10);

+ $amp_y = mt_rand(2,4);

+ $socket = mt_rand(0,100);

+

+ $dampen_x = mt_rand($this->width/5, $this->width/2);

+ $dampen_y = mt_rand($this->height/5, $this->height/2);

+ $direction_x = (mt_rand (0, 1));

+ $direction_y = (mt_rand (0, 1));

+

+ for ($i = 0; $i < $this->width; $i++)

+ {

+ $dir = ($direction_x) ? $i : ($this->width - $i);

+ imagecopy($img, $img, $i-1, sin($socket+ $i/($period_x + $dir/$dampen_x)) * $amp_x, $i, 0, 1, $this->height);

+ }

+ $socket = mt_rand(0,100);

+ for ($i = 0; $i < $this->height; $i++)

+ {

+ $dir = ($direction_y) ? $i : ($this->height - $i);

+ imagecopy($img, $img ,sin($socket + $i/($period_y + ($dir)/$dampen_y)) * $amp_y, $i-1, 0, $i, $this->width, 1);

+ }

+ return $img;

+ }

+

+ /**

+ * Noise line

+ */

+ function noise_line($img, $min_x, $min_y, $max_x, $max_y, $bg, $font, $non_font)

+ {

+ imagesetthickness($img, 2);

+

+ $x1 = $min_x;

+ $x2 = $max_x;

+ $y1 = $min_y;

+ $y2 = $min_y;

+

+ do

+ {

+ $line = array_merge(

+ array_fill(0, mt_rand(30, 60), $non_font[array_rand($non_font)]),

+ array_fill(0, mt_rand(30, 60), $bg)

+ );

+

+ imagesetstyle($img, $line);

+ imageline($img, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);

+

+ $y1 += mt_rand(12, 35);

+ $y2 += mt_rand(12, 35);

+ }

+ while ($y1 < $max_y && $y2 < $max_y);

+

+ $x1 = $min_x;

+ $x2 = $min_x;

+ $y1 = $min_y;

+ $y2 = $max_y;

+

+ do

+ {

+ $line = array_merge(

+ array_fill(0, mt_rand(30, 60), $non_font[array_rand($non_font)]),

+ array_fill(0, mt_rand(30, 60), $bg)

+ );

+

+ imagesetstyle($img, $line);

+ imageline($img, $x1, $y1, $x2, $y2, IMG_COLOR_STYLED);

+

+ $x1 += mt_rand(20, 35);

+ $x2 += mt_rand(20, 35);

+ }

+ while ($x1 < $max_x && $x2 < $max_x);

+ imagesetthickness($img, 1);

+ }

+

+ function captcha_noise_bg_bitmaps()

+ {

+ return array(

+ 'width' => 15,

+ 'height' => 5,

+ 'data' => array(

+

+ 1 => array(

+ array(1,0,0,0,1,0,0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0,0,0,1,0,0,0),

+ ),

+ 2 => array(

+ array(1,1,mt_rand(0,1),1,0,1,1,1,1,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,1,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,1,1,0,1,1,1),

+ ),

+ 3 => array(

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,1,0,0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,0,1),

+ ),

+ 4 => array(

+ array(1,0,1,0,1,0,0,1,1,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,1,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0,0,0,0,0,0,0),

+ ),

+ 5 => array(

+ array(1,1,1,1,0,0,0,1,1,1,0,0,1,0,1),

+ array(0,0,0,0,0,0,0,1,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0,0,0,0,0,0,0),

+ ),

+ 6 => array(

+ array(mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),0,mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),mt_rand(0,1),0,mt_rand(0,1),mt_rand(0,1),mt_rand(0,1)),

+ array(0,0,0,0,0,0,0,mt_rand(0,1),0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(mt_rand(0,1),0,mt_rand(0,1),0,0,0,0,0,0,0,0,0,0,0,0),

+ ),

+ 7 => array(

+ array(0,0,0,0,0,0,0,0,0,0,1,1,0,1,1),

+ array(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ array(0,0,1,1,0,0,0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,1,0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0,0,0,0,0,0,0),

+ ),

+ ));

+ }

+

+ /**

+ * Return bitmaps

+ */

+ function captcha_bitmaps()

+ {

+ global $config;

+

+ $chars = array(

+ 'A' => array(

+ array(

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,1,1,0,1,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,1),

+ array(0,0,0,0,0,1,1,1,1),

+ array(0,0,0,1,1,1,0,0,1),

+ array(0,1,1,1,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,0,0,0,0,1,1,1),

+ array(0,1,1,1,1,1,1,0,1),

+ ),

+ ),

+ 'B' => array(

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,0,0),

+ ),

+ ),

+ 'C' => array(

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(0,0,1,1,1,1,1,0,1),

+ ),

+ ),

+ 'D' => array(

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,1,0,0,0,1,1,1),

+ array(0,0,1,1,1,1,1,0,1),

+ ),

+ ),

+ 'E' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(0,1,1,1,1,1,1,1,0),

+ ),

+ ),

+ 'F' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ ),

+ array(

+ array(0,1,1,1,1,1,1,1,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,1,1,0,0,0,0),

+ array(0,0,1,1,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,1,1,1,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'G' => array(

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,1,1,1,1,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(0,0,1,1,1,1,1,0,1),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,1,1,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,1,0,0,0,0,0,1),

+ array(0,0,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,1),

+ array(1,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'H' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,1,1,1,0,0,0),

+ array(1,1,1,1,0,1,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ ),

+ ),

+ 'I' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ ),

+ ),

+ 'J' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,0,1,1,0,0,0,0,0),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,1,0,0,1,0,0,0,0),

+ array(1,0,1,1,0,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,0,1,1,0,0,0,0,0),

+ ),

+ ),

+ 'K' => array(

+ array( // New 'K', supplied by NeoThermic

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0),

+ array(1,1,0,0,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,1,0,0,0,1,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,1,0,1,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,0,1,0,0,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,1,0,0,0,1,0,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,1,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,1,0,1,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,0,1,0,0,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,1,0,0,0,1,0,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ ),

+ ),

+ 'L' => array(

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,0,1,1,1,0,0,0,0),

+ ),

+ ),

+ 'M' => array(

+ array(

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,1,1,0,1,1,1,0),

+ array(1,1,0,1,1,1,0,1,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ ),

+ ),

+ 'N' => array(

+ array(

+ array(1,1,0,0,0,0,0,0,1),

+ array(1,1,0,0,0,0,0,0,1),

+ array(1,0,1,0,0,0,0,0,1),

+ array(1,0,1,0,0,0,0,0,1),

+ array(1,0,0,1,0,0,0,0,1),

+ array(1,0,0,1,0,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,0,1,0,0,1),

+ array(1,0,0,0,0,1,0,0,1),

+ array(1,0,0,0,0,0,1,0,1),

+ array(1,0,0,0,0,0,1,0,1),

+ array(1,0,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,0,1,0),

+ array(0,1,0,1,0,0,0,1,0),

+ array(0,1,0,1,0,0,0,1,0),

+ array(0,1,0,1,0,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,1,1,0,1,0),

+ array(0,1,0,0,0,1,0,1,0),

+ array(0,1,0,0,0,1,1,1,0),

+ array(0,1,0,0,0,0,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,0,1,1,1,1,0,0,0),

+ array(1,1,1,0,0,1,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ ),

+ ),

+ 'O' => array(

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,0,0,0),

+ array(1,1,1,0,0,1,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,0,0,0,1,1,0,0),

+ array(0,1,1,1,1,1,0,0,0),

+ ),

+ ),

+ 'P' => array(

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,1,1,0,0,0,0,0),

+ array(1,1,0,1,1,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,1,1,0,0,0,0),

+ array(1,1,1,1,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'Q' => array(

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,1,0,0,1),

+ array(1,0,0,0,0,0,1,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,1),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,1,0,0,1,1,0,1,1),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,0,0,1,1,0),

+ array(0,0,0,0,0,0,0,1,1),

+ array(0,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,1,1,1,1),

+ array(0,0,0,0,1,1,0,0,1),

+ array(0,0,0,0,1,0,0,0,1),

+ array(0,0,0,0,1,0,0,0,1),

+ array(0,0,0,0,1,1,0,1,1),

+ array(0,0,0,0,0,1,1,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ ),

+ ),

+ 'R' => array(

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,1,1,0,0,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,1,1,0,0,0,0,0,0),

+ array(0,1,1,1,0,0,0,0,0),

+ array(0,1,0,1,1,0,0,0,0),

+ array(0,1,0,0,1,1,0,0,0),

+ array(0,1,0,0,0,1,1,0,0),

+ array(0,1,0,0,0,0,1,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,0,0,0,0),

+ array(1,1,0,0,1,1,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'S' => array(

+ array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,0,0,0,0,0,1,0),

+ array(1,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,0,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,1,1,0,0,0),

+ array(0,1,1,1,1,0,0,0,0),

+ ),

+ ),

+ 'T' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,1,1,1,1,1,1,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,1,0,0,0),

+ array(0,0,0,0,0,1,1,1,0),

+ ),

+ ),

+ 'U' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,1,1),

+ array(0,0,1,1,0,0,1,1,1),

+ array(0,0,0,1,1,1,1,0,1),

+ ),

+ ),

+ 'V' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ ),

+ ),

+ 'W' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,1,0,0,0,0,0,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,1,1,1,0,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,1,1,0,1,1,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,1,1,1,0,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,1,1,0,1,1,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'X' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,0,1,1,0,1,1,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,1,1,0,1,1,0,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'Y' => array(

+ array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(1,1,1,0,0,0,1,1,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,1),

+ array(0,0,0,1,1,0,0,0,1),

+ array(0,0,0,0,1,0,0,1,1),

+ array(0,0,0,0,1,1,0,1,0),

+ array(0,0,0,0,0,1,1,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,1,0,0,0),

+ array(0,0,1,1,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ ),

+ 'Z' => array(

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,1),

+ ),

+ array(

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,0,1,1,0,0),

+ array(0,0,0,0,1,1,0,0,0),

+ array(0,0,0,1,1,0,0,0,0),

+ array(0,0,1,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,0),

+ ),

+ ),

+ );

+ return array(

+ 'width' => 9,

+ 'height' => 15,

+ 'data' => array(

+

+ 'A' => $chars['A'][mt_rand(0, min(sizeof($chars['A']), $config['captcha_gd_fonts']) -1)],

+ 'B' => $chars['B'][mt_rand(0, min(sizeof($chars['B']), $config['captcha_gd_fonts']) -1)],

+ 'C' => $chars['C'][mt_rand(0, min(sizeof($chars['C']), $config['captcha_gd_fonts']) -1)],

+ 'D' => $chars['D'][mt_rand(0, min(sizeof($chars['D']), $config['captcha_gd_fonts']) -1)],

+ 'E' => $chars['E'][mt_rand(0, min(sizeof($chars['E']), $config['captcha_gd_fonts']) -1)],

+ 'F' => $chars['F'][mt_rand(0, min(sizeof($chars['F']), $config['captcha_gd_fonts']) -1)],

+ 'G' => $chars['G'][mt_rand(0, min(sizeof($chars['G']), $config['captcha_gd_fonts']) -1)],

+ 'H' => $chars['H'][mt_rand(0, min(sizeof($chars['H']), $config['captcha_gd_fonts']) -1)],

+ 'I' => $chars['I'][mt_rand(0, min(sizeof($chars['I']), $config['captcha_gd_fonts']) -1)],

+ 'J' => $chars['J'][mt_rand(0, min(sizeof($chars['J']), $config['captcha_gd_fonts']) -1)],

+ 'K' => $chars['K'][mt_rand(0, min(sizeof($chars['K']), $config['captcha_gd_fonts']) -1)],

+ 'L' => $chars['L'][mt_rand(0, min(sizeof($chars['L']), $config['captcha_gd_fonts']) -1)],

+ 'M' => $chars['M'][mt_rand(0, min(sizeof($chars['M']), $config['captcha_gd_fonts']) -1)],

+ 'N' => $chars['N'][mt_rand(0, min(sizeof($chars['N']), $config['captcha_gd_fonts']) -1)],

+ 'O' => $chars['O'][mt_rand(0, min(sizeof($chars['O']), $config['captcha_gd_fonts']) -1)],

+ 'P' => $chars['P'][mt_rand(0, min(sizeof($chars['P']), $config['captcha_gd_fonts']) -1)],

+ 'Q' => $chars['Q'][mt_rand(0, min(sizeof($chars['Q']), $config['captcha_gd_fonts']) -1)],

+ 'R' => $chars['R'][mt_rand(0, min(sizeof($chars['R']), $config['captcha_gd_fonts']) -1)],

+ 'S' => $chars['S'][mt_rand(0, min(sizeof($chars['S']), $config['captcha_gd_fonts']) -1)],

+ 'T' => $chars['T'][mt_rand(0, min(sizeof($chars['T']), $config['captcha_gd_fonts']) -1)],

+ 'U' => $chars['U'][mt_rand(0, min(sizeof($chars['U']), $config['captcha_gd_fonts']) -1)],

+ 'V' => $chars['V'][mt_rand(0, min(sizeof($chars['V']), $config['captcha_gd_fonts']) -1)],

+ 'W' => $chars['W'][mt_rand(0, min(sizeof($chars['W']), $config['captcha_gd_fonts']) -1)],

+ 'X' => $chars['X'][mt_rand(0, min(sizeof($chars['X']), $config['captcha_gd_fonts']) -1)],

+ 'Y' => $chars['Y'][mt_rand(0, min(sizeof($chars['Y']), $config['captcha_gd_fonts']) -1)],

+ 'Z' => $chars['Z'][mt_rand(0, min(sizeof($chars['Z']), $config['captcha_gd_fonts']) -1)],

+

+ '1' => array(

+ array(0,0,0,1,1,0,0,0,0),

+ array(0,0,1,0,1,0,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,0),

+ ),

+ '2' => array( // New '2' supplied by Anon

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,1,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '3' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ '4' => array(

+ array(0,0,0,0,0,0,1,1,0),

+ array(0,0,0,0,0,1,0,1,0),

+ array(0,0,0,0,1,0,0,1,0),

+ array(0,0,0,1,0,0,0,1,0),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ ),

+ '5' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ '6' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,1,1,1,1,0,0),

+ array(1,0,1,0,0,0,0,1,0),

+ array(1,1,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ '7' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ ),

+ '8' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ '9' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,1),

+ array(0,1,0,0,0,0,1,0,1),

+ array(0,0,1,1,1,1,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ ),

+ )

+ );

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+/**

+* Wave3D CAPTCHA

+*/

+class gd_wave

+{

+ var $width = 360;

+ var $height = 96;

+

+ function execute($code, $seed)

+ {

+ global $starttime;

+

+ // seed the random generator

+ mt_srand($seed);

+

+ // set height and width

+ $img_x = $this->width;

+ $img_y = $this->height;

+

+ // Generate image

+ $img = imagecreatetruecolor($img_x, $img_y);

+ $x_grid = mt_rand(6, 10);

+ $y_grid = mt_rand(6, 10);

+

+ // Ok, so lets cut to the chase. We could accurately represent this in 3d and

+ // do all the appropriate linear transforms. my questions is... why bother?

+ // The computational overhead is unnecessary when you consider the simple fact:

+ // we're not here to accurately represent a model, but to just show off some random-ish

+ // polygons

+

+ // Conceive of 3 spaces.

+ // 1) planar-space (discrete "pixel" grid)

+ // 2) 3-space. (planar-space with z/height aspect)

+ // 3) image space (pixels on the screen)

+ // resolution of the planar-space we're embedding the text code in

+ $plane_x = 100;

+ $plane_y = 30;

+

+ $subdivision_factor = 3;

+

+ // $box is the 4 points in img_space that correspond to the corners of the plane in 3-space

+ $box = array(

+ 'upper_left' => array(

+ 'x' => mt_rand(5, 15),

+ 'y' => mt_rand(10, 15)

+ ),

+ 'upper_right' => array(

+ 'x' => mt_rand($img_x - 35, $img_x - 19),

+ 'y' => mt_rand(10, 17)

+ ),

+ 'lower_left' => array(

+ 'x' => mt_rand($img_x - 45, $img_x - 5),

+ 'y' => mt_rand($img_y - 15, $img_y - 0),

+ ),

+ );

+

+ $box['lower_right'] = array(

+ 'x' => $box['lower_left']['x'] + $box['upper_left']['x'] - $box['upper_right']['x'],

+ 'y' => $box['lower_left']['y'] + $box['upper_left']['y'] - $box['upper_right']['y'],

+ );

+

+ // TODO

+ $background = imagecolorallocate($img, mt_rand(155, 255), mt_rand(155, 255), mt_rand(155, 255));

+ imagefill($img, 0, 0, $background);

+ $black = imagecolorallocate($img, 0, 0, 0);

+

+ $random = array();

+ $fontcolors = array();

+

+ for ($i = 0; $i < 15; ++$i)

+ {

+ $random[$i] = imagecolorallocate($img, mt_rand(120, 255), mt_rand(120, 255), mt_rand(120, 255));

+ }

+

+ $fontcolors[0] = imagecolorallocate($img, mt_rand(0, 120), mt_rand(0, 120), mt_rand(0, 120));

+

+ $colors = array();

+

+ $minr = mt_rand(20, 30);

+ $ming = mt_rand(20, 30);

+ $minb = mt_rand(20, 30);

+

+ $maxr = mt_rand(150, 230);

+ $maxg = mt_rand(150, 230);

+ $maxb = mt_rand(150, 230);

+

+ for ($i = -30; $i <= 30; ++$i)

+ {

+ $coeff1 = ($i + 12) / 45;

+ $coeff2 = 1 - $coeff1;

+ $colors[$i] = imagecolorallocate($img, ($coeff2 * $maxr) + ($coeff1 * $minr), ($coeff2 * $maxg) + ($coeff1 * $ming), ($coeff2 * $maxb) + ($coeff1 * $minb));

+ }

+

+ // $img_buffer is the last row of 3-space positions (converted to img-space), cached

+ // (using this means we don't need to recalculate all 4 positions for each new polygon,

+ // merely the newest point that we're adding, which is then cached.

+ $img_buffer = array(array(), array());

+

+ // In image-space, the x- and y-offset necessary to move one unit in the x-direction in planar-space

+ $dxx = ($box['upper_right']['x'] - $box['upper_left']['x']) / ($subdivision_factor * $plane_x);

+ $dxy = ($box['upper_right']['y'] - $box['upper_left']['y']) / ($subdivision_factor * $plane_x);

+

+ // In image-space, the x- and y-offset necessary to move one unit in the y-direction in planar-space

+ $dyx = ($box['lower_right']['x'] - $box['upper_left']['x']) / ($subdivision_factor * $plane_y);

+ $dyy = ($box['lower_right']['y'] - $box['upper_left']['y']) / ($subdivision_factor * $plane_y);

+

+ // Initial captcha-letter offset in planar-space

+ $plane_offset_x = mt_rand(3, 8);

+ $plane_offset_y = mt_rand( 12, 15);

+

+ // character map

+ $map = $this->captcha_bitmaps();

+

+ // matrix

+ $plane = array();

+

+ // for each character, we'll silkscreen it into our boolean pixel plane

+ for ($c = 0, $code_num = strlen($code); $c < $code_num; ++$c)

+ {

+ $letter = $code[$c];

+

+ for ($x = $map['width'] - 1; $x >= 0; --$x)

+ {

+ for ($y = $map['height'] - 1; $y >= 0; --$y)

+ {

+ if ($map['data'][$letter][$y][$x])

+ {

+ $plane[$y + $plane_offset_y + (($c & 1) ? 1 : -1)][$x + $plane_offset_x] = true;

+ }

+ }

+ }

+ $plane_offset_x += 11;

+ }

+

+ // calculate our first buffer, we can't actually draw polys with these yet

+ // img_pos_prev == screen x,y location to our immediate left.

+ // img_pos_cur == current screen x,y location

+ // we calculate screen position of our

+ // current cell based on the difference from the previous cell

+ // rather than recalculating from absolute coordinates

+ // What we cache into the $img_buffer contains the raised text coordinates.

+ $img_pos_prev = $img_buffer[0][0] = array($box['upper_left']['x'], $box['upper_left']['y']);

+ $cur_height = $prev_height = $this->wave_height(0, 0, $subdivision_factor);

+ $full_x = $plane_x * $subdivision_factor;

+ $full_y = $plane_y * $subdivision_factor;

+

+ for ($x = 1; $x <= $full_x; ++$x)

+ {

+ $cur_height = $this->wave_height($x, 0, $subdivision_factor);

+ $offset = $cur_height - $prev_height;

+ $img_pos_cur = array($img_pos_prev[0] + $dxx, $img_pos_prev[1] + $dxy + $offset);

+

+ $img_buffer[0][$x] = $img_pos_cur;

+ $img_pos_prev = $img_pos_cur;

+ $prev_height = $cur_height;

+ }

+

+ for ($y = 1; $y <= $full_y; ++$y)

+ {

+ // swap buffers

+ $buffer_cur = $y & 1;

+ $buffer_prev = 1 - $buffer_cur;

+

+ $prev_height = $this->wave_height(0, $y, $subdivision_factor);

+ $offset = $prev_height - $this->wave_height(0, $y - 1, $subdivision_factor);

+ $img_pos_cur = array($img_buffer[$buffer_prev][0][0] + $dyx, min($img_buffer[$buffer_prev][0][1] + $dyy + $offset, $img_y - 1));

+

+ // make sure we don't try to write off the page

+ $img_pos_prev = $img_pos_cur;

+

+ $img_buffer[$buffer_cur][0] = $img_pos_cur;

+

+ for ($x = 1; $x <= $full_x; ++$x)

+ {

+ $cur_height = $this->wave_height($x, $y, $subdivision_factor) + $this->grid_height($x, $y, $x_grid, $y_grid, 1);

+

+ // height is a z-factor, not a y-factor

+ $offset = $cur_height - $prev_height;

+ $img_pos_cur = array($img_pos_prev[0] + $dxx, $img_pos_prev[1] + $dxy + $offset);

+

+ // height is float, index it to an int, get closest color

+ $color = $colors[intval($cur_height)];

+ $img_pos_prev = $img_pos_cur;

+ $prev_height = $cur_height;

+

+ $y_index_old = intval(($y - 1) / $subdivision_factor);

+ $y_index_new = intval($y / $subdivision_factor);

+ $x_index_old = intval(($x - 1) / $subdivision_factor);

+ $x_index_new = intval($x / $subdivision_factor);

+

+ if (!empty($plane[$y_index_new][$x_index_new]))

+ {

+ $img_pos_cur[1] += $this->wave_height($x, $y, $subdivision_factor, 1) - 30 - $cur_height;

+ $color = $colors[20];

+ }

+ $img_pos_cur[1] = min($img_pos_cur[1], $img_y - 1);

+ $img_buffer[$buffer_cur][$x] = $img_pos_cur;

+

+ // Smooth the edges as much as possible by having not more than one low<->high traingle per square

+ // Otherwise, just

+ $diag_down = (empty($plane[$y_index_old][$x_index_old]) == empty($plane[$y_index_new][$x_index_new]));

+ $diag_up = (empty($plane[$y_index_old][$x_index_new]) == empty($plane[$y_index_new][$x_index_old]));

+

+ // natural switching

+ $mode = ($x + $y) & 1;

+

+ // override if it requires it

+ if ($diag_down != $diag_up)

+ {

+ $mode = $diag_up;

+ }

+

+ if ($mode)

+ {

+ // +-/ /

+ // 1 |/ 2 /|

+ // / /-+

+ $poly1 = array_merge($img_buffer[$buffer_cur][$x - 1], $img_buffer[$buffer_prev][$x - 1], $img_buffer[$buffer_prev][$x]);

+ $poly2 = array_merge($img_buffer[$buffer_cur][$x - 1], $img_buffer[$buffer_cur][$x], $img_buffer[$buffer_prev][$x]);

+ }

+ else

+ {

+ // \ \-+

+ // 1 |\ 2 \|

+ // +-\ \

+ $poly1 = array_merge($img_buffer[$buffer_cur][$x - 1], $img_buffer[$buffer_prev][$x - 1], $img_buffer[$buffer_cur][$x]);

+ $poly2 = array_merge($img_buffer[$buffer_prev][$x - 1], $img_buffer[$buffer_prev][$x], $img_buffer[$buffer_cur][$x]);

+ }

+

+ imagefilledpolygon($img, $poly1, 3, $color);

+ imagefilledpolygon($img, $poly2, 3, $color);

+ }

+ }

+

+ // Output image

+ header('Content-Type: image/png');

+ header('Cache-control: no-cache, no-store');

+ //$mtime = explode(' ', microtime());

+ //$totaltime = $mtime[0] + $mtime[1] - $starttime;

+

+ //echo $totaltime . "<br />\n";

+ //echo memory_get_usage() - $tmp;

+ imagepng($img);

+ imagedestroy($img);

+ }

+

+ function wave_height($x, $y, $factor = 1, $tweak = 0.7)

+ {

+ // stretch the wave. TODO: pretty it up

+ $x = $x/5 + 180;

+ $y = $y/4;

+ return ((sin($x / (3 * $factor)) + sin($y / (3 * $factor))) * 10 * $tweak);

+ }

+

+ function grid_height($x, $y, $x_grid, $y_grid, $factor = 1)

+ {

+ return ((!($x % ($x_grid * $factor)) || !($y % ($y_grid * $factor))) ? 3 : 0);

+ }

+

+ function captcha_bitmaps()

+ {

+ return array(

+ 'width' => 9,

+ 'height' => 13,

+ 'data' => array(

+ 'A' => array(

+ array(0,0,1,1,1,1,0,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'B' => array(

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,1,1,1,1,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'C' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'D' => array(

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'E' => array(

+ array(0,0,1,1,1,1,1,1,1),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'F' => array(

+ array(0,0,1,1,1,1,1,1,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'G' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'H' => array(

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'I' => array(

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'J' => array(

+ array(0,0,0,0,0,0,1,1,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,0,0,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'K' => array(

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0),

+ array(1,1,0,0,0,0,0,0,0),

+ array(1,0,1,0,0,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'L' => array(

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'M' => array(

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,1,0,0,0,1,1,0),

+ array(0,1,0,1,0,1,0,1,0),

+ array(0,1,0,0,1,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'N' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,0,0,0,0,0,0,1),

+ array(1,0,1,0,0,0,0,0,1),

+ array(1,0,0,1,0,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,0,0,1,0,0,1),

+ array(1,0,0,0,0,0,1,0,1),

+ array(1,0,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'O' => array(

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'P' => array(

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'Q' => array(

+ array(0,0,1,1,1,1,0,0,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,1,0,0,1,0),

+ array(1,0,0,0,0,1,0,1,0),

+ array(0,1,0,0,0,0,1,0,0),

+ array(0,0,1,1,1,1,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'R' => array(

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(1,1,1,1,1,1,0,0,0),

+ array(1,0,1,0,0,0,0,0,0),

+ array(1,0,0,1,0,0,0,0,0),

+ array(1,0,0,0,1,0,0,0,0),

+ array(1,0,0,0,0,1,0,0,0),

+ array(1,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'S' => array(

+ array(0,0,1,1,1,1,1,1,1),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(1,1,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'T' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'U' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'V' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'W' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,1,0,0,0,1),

+ array(1,0,0,1,0,1,0,0,1),

+ array(1,0,1,0,0,0,1,0,1),

+ array(1,1,0,0,0,0,0,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'X' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'Y' => array(

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,0,0,1,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ 'Z' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '1' => array(

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,1,0,0,0,0),

+ array(0,0,1,0,1,0,0,0,0),

+ array(0,1,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '2' => array(

+ array(0,0,0,1,1,1,0,0,0),

+ array(0,0,1,0,0,0,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,1,0,0,0,0,0),

+ array(0,0,1,0,0,0,0,0,0),

+ array(0,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '3' => array(

+ array(0,0,0,1,1,1,1,0,0),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,0,0,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '4' => array(

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,1,0),

+ array(0,0,0,0,0,1,0,1,0),

+ array(0,0,0,0,1,0,0,1,0),

+ array(0,0,0,1,0,0,0,1,0),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,1,1,1,1,1,1,1,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '5' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(0,1,0,0,0,0,0,0,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '6' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,0,0,0,0,0,0),

+ array(1,0,0,1,1,1,1,0,0),

+ array(1,0,1,0,0,0,0,1,0),

+ array(1,1,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '7' => array(

+ array(1,1,1,1,1,1,1,1,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,1,0),

+ array(0,0,0,0,0,0,1,0,0),

+ array(0,0,0,0,0,1,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,1,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '8' => array(

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,1,0,0,0,0,0,1,0),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(1,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,0),

+ array(0,0,1,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ '9' => array(

+ array(0,0,0,1,1,1,1,0,0),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,1,1),

+ array(0,0,1,1,1,1,1,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,0,0,0,0,0,0,0,1),

+ array(0,1,0,0,0,0,0,0,1),

+ array(0,0,1,0,0,0,0,1,0),

+ array(0,0,0,1,1,1,1,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ array(0,0,0,0,0,0,0,0,0),

+ ),

+ )

+ );

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha;

+

+/**

+* Main non-gd captcha class

+* @ignore

+*/

+class non_gd

+{

+ var $filtered_pngs;

+ var $width = 320;

+ var $height = 50;

+

+ /**

+ * Define filtered pngs on init

+ */

+ function __construct()

+ {

+ // If we can we will generate a single filtered png, we avoid nastiness via emulation of some Zlib stuff

+ $this->define_filtered_pngs();

+ }

+

+ /**

+ * Create the image containing $code with a seed of $seed

+ */

+ function execute($code, $seed)

+ {

+ $img_height = $this->height - 10;

+ $img_width = 0;

+

+ mt_srand($seed);

+

+ $char_widths = $hold_chars = array();

+ $code_len = strlen($code);

+

+ for ($i = 0; $i < $code_len; $i++)

+ {

+ $char = $code[$i];

+

+ $width = mt_rand(0, 4);

+ $raw_width = $this->filtered_pngs[$char]['width'];

+ $char_widths[$i] = $width;

+ $img_width += $raw_width - $width;

+

+ // Split the char into chunks of $raw_width + 1 length

+ if (empty($hold_chars[$char]))

+ {

+ $hold_chars[$char] = str_split(base64_decode($this->filtered_pngs[$char]['data']), $raw_width + 1);

+ }

+ }

+

+ $offset_x = mt_rand(0, $this->width - $img_width);

+ $offset_y = mt_rand(0, $this->height - $img_height);

+

+ $image = '';

+ for ($i = 0; $i < $this->height; $i++)

+ {

+ $image .= chr(0);

+

+ if ($i > $offset_y && $i < $offset_y + $img_height)

+ {

+ for ($j = 0; $j < $offset_x; $j++)

+ {

+ $image .= chr(mt_rand(140, 255));

+ }

+

+ for ($j = 0; $j < $code_len; $j++)

+ {

+ $image .= $this->randomise(substr($hold_chars[$code{$j}][$i - $offset_y - 1], 1), $char_widths[$j]);

+ }

+

+ for ($j = $offset_x + $img_width; $j < $this->width; $j++)

+ {

+ $image .= chr(mt_rand(140, 255));

+ }

+ }

+ else

+ {

+ for ($j = 0; $j < $this->width; $j++)

+ {

+ $image .= chr(mt_rand(140, 255));

+ }

+ }

+ }

+ unset($hold_chars);

+

+ $image = $this->create_png($image, $this->width, $this->height);

+

+ // Output image

+ header('Content-Type: image/png');

+ header('Cache-control: no-cache, no-store');

+ echo $image;

+ exit;

+ }

+

+ /**

+ * This is designed to randomise the pixels of the image data within

+ * certain limits so as to keep it readable. It also varies the image

+ * width a little

+ */

+ function randomise($scanline, $width)

+ {

+ $new_line = '';

+

+ $end = strlen($scanline) - ceil($width/2);

+ for ($i = (int) floor($width / 2); $i < $end; $i++)

+ {

+ $pixel = ord($scanline{$i});

+

+ if ($pixel < 190)

+ {

+ $new_line .= chr(mt_rand(0, 205));

+ }

+ else if ($pixel > 190)

+ {

+ $new_line .= chr(mt_rand(145, 255));

+ }

+ else

+ {

+ $new_line .= $scanline{$i};

+ }

+ }

+

+ return $new_line;

+ }

+

+ /**

+ * This creates a chunk of the given type, with the given data

+ * of the given length adding the relevant crc

+ */

+ function png_chunk($length, $type, $data)

+ {

+ $raw = $type . $data;

+

+ return pack('N', $length) . $raw . pack('N', crc32($raw));

+ }

+

+ /**

+ * Creates greyscale 8bit png - The PNG spec can be found at

+ * http://www.libpng.org/pub/png/spec/PNG-Contents.html we use

+ * png because it's a fully recognised open standard and supported

+ * by practically all modern browsers and OSs

+ */

+ function create_png($raw_image, $width, $height)

+ {

+ // SIG

+ $image = pack('C8', 137, 80, 78, 71, 13, 10, 26, 10);

+

+ // IHDR

+ $raw = pack('N2', $width, $height);

+ $raw .= pack('C5', 8, 0, 0, 0, 0);

+ $image .= $this->png_chunk(13, 'IHDR', $raw);

+

+ // IDAT

+ if (@extension_loaded('zlib'))

+ {

+ $raw_image = gzcompress($raw_image);

+ $length = strlen($raw_image);

+ }

+ else

+ {

+ // The total length of this image, uncompressed, is just a calculation of pixels

+ $length = ($width + 1) * $height;

+

+ // Adler-32 hash generation

+ // Note: The hash is _backwards_ so we must reverse it

+

+ if (@extension_loaded('hash'))

+ {

+ $adler_hash = strrev(hash('adler32', $raw_image, true));

+ }

+ else if (@extension_loaded('mhash'))

+ {

+ $adler_hash = strrev(mhash(MHASH_ADLER32, $raw_image));

+ }

+ else

+ {

+ // Optimized Adler-32 loop ported from the GNU Classpath project

+ $temp_length = $length;

+ $s1 = 1;

+ $s2 = $index = 0;

+

+ while ($temp_length > 0)

+ {

+ // We can defer the modulo operation:

+ // s1 maximally grows from 65521 to 65521 + 255 * 3800

+ // s2 maximally grows by 3800 * median(s1) = 2090079800 < 2^31

+ $substract_value = ($temp_length < 3800) ? $temp_length : 3800;

+ $temp_length -= $substract_value;

+

+ while (--$substract_value >= 0)

+ {

+ $s1 += ord($raw_image[$index]);

+ $s2 += $s1;

+

+ $index++;

+ }

+

+ $s1 %= 65521;

+ $s2 %= 65521;

+ }

+ $adler_hash = pack('N', ($s2 << 16) | $s1);

+ }

+

+ // This is the same thing as gzcompress($raw_image, 0) but does not need zlib

+ $raw_image = pack('C3v2', 0x78, 0x01, 0x01, $length, ~$length) . $raw_image . $adler_hash;

+

+ // The Zlib header + Adler hash make us add on 11

+ $length += 11;

+ }

+

+ // IDAT

+ $image .= $this->png_chunk($length, 'IDAT', $raw_image);

+

+ // IEND

+ $image .= $this->png_chunk(0, 'IEND', '');

+

+ return $image;

+ }

+

+ /**

+ * png image data

+ * Each 'data' element is base64_encoded uncompressed IDAT

+ */

+ function define_filtered_pngs()

+ {

+ $this->filtered_pngs = array(

+ '0' => array(

+ 'data' => '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',

+ 'width' => 40

+ ),

+ '1' => array(

+ 'data' => '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',

+ 'width' => 40

+ ),

+ '2' => array(

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+ 'width' => 40

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+ 'width' => 40

+ ),

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+ 'width' => 40

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+ 'width' => 40

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+ 'width' => 40

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+ 'width' => 40

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+ 'width' => 40

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+ 'width' => 40

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+ 'width' => 40

+ ),

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+ 'width' => 40

+ ),

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+ 'width' => 40

+ ),

+ 'D' => array(

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+ 'width' => 40

+ ),

+ 'E' => array(

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+ 'width' => 40

+ ),

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+ 'width' => 40

+ ),

+ 'G' => array(

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+ 'width' => 40

+ ),

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+ 'width' => 40

+ ),

+ 'I' => array(

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+ 'width' => 40

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+ 'width' => 40

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+ ),

+ 'Z' => array(

+ 'data' => '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',

+ 'width' => 40

+ ),

+ );

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+/**

+* This class holds the code shared by the two default 3.0.x CAPTCHAs.

+*/

+abstract class captcha_abstract

+{

+ var $confirm_id;

+ var $confirm_code;

+ var $code;

+ var $seed;

+ var $attempts = 0;

+ var $type;

+ var $solved = 0;

+ var $captcha_vars = false;

+

+ /**

+ * @var string name of the service.

+ */

+ protected $service_name;

+

+ function init($type)

+ {

+ global $config, $db, $user;

+

+ // read input

+ $this->confirm_id = request_var('confirm_id', '');

+ $this->confirm_code = request_var('confirm_code', '');

+ $refresh = request_var('refresh_vc', false) && $config['confirm_refresh'];

+

+ $this->type = (int) $type;

+

+ if (!strlen($this->confirm_id) || !$this->load_code())

+ {

+ // we have no confirm ID, better get ready to display something

+ $this->generate_code();

+ }

+ else if ($refresh)

+ {

+ $this->regenerate_code();

+ }

+ }

+

+ function execute_demo()

+ {

+ global $user;

+

+ $this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));

+ $this->seed = hexdec(substr(unique_id(), 4, 10));

+

+ // compute $seed % 0x7fffffff

+ $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);

+

+ $generator = $this->get_generator_class();

+ $captcha = new $generator();

+ define('IMAGE_OUTPUT', 1);

+ $captcha->execute($this->code, $this->seed);

+ }

+

+ function execute()

+ {

+ if (empty($this->code))

+ {

+ if (!$this->load_code())

+ {

+ // invalid request, bail out

+ return false;

+ }

+ }

+ $generator = $this->get_generator_class();

+ $captcha = new $generator();

+ define('IMAGE_OUTPUT', 1);

+ $captcha->execute($this->code, $this->seed);

+ }

+

+ function get_template()

+ {

+ global $config, $user, $template, $phpEx, $phpbb_root_path;

+

+ if ($this->is_solved())

+ {

+ return false;

+ }

+ else

+ {

+ $link = append_sid($phpbb_root_path . 'ucp.' . $phpEx, 'mode=confirm&amp;confirm_id=' . $this->confirm_id . '&amp;type=' . $this->type);

+ $contact_link = phpbb_get_board_contact_link($config, $phpbb_root_path, $phpEx);

+ $explain = $user->lang(($this->type != CONFIRM_POST) ? 'CONFIRM_EXPLAIN' : 'POST_CONFIRM_EXPLAIN', '<a href="' . $contact_link . '">', '</a>');

+

+ $template->assign_vars(array(

+ 'CONFIRM_IMAGE_LINK' => $link,

+ 'CONFIRM_IMAGE' => '<img src="' . $link . '" />',

+ 'CONFIRM_IMG' => '<img src="' . $link . '" />',

+ 'CONFIRM_ID' => $this->confirm_id,

+ 'S_CONFIRM_CODE' => true,

+ 'S_TYPE' => $this->type,

+ 'S_CONFIRM_REFRESH' => ($config['enable_confirm'] && $config['confirm_refresh'] && $this->type == CONFIRM_REG) ? true : false,

+ 'L_CONFIRM_EXPLAIN' => $explain,

+ ));

+

+ return 'captcha_default.html';

+ }

+ }

+

+ function get_demo_template($id)

+ {

+ global $config, $user, $template, $phpbb_admin_path, $phpEx;

+

+ $variables = '';

+

+ if (is_array($this->captcha_vars))

+ {

+ foreach ($this->captcha_vars as $captcha_var => $template_var)

+ {

+ $variables .= '&amp;' . rawurlencode($captcha_var) . '=' . request_var($captcha_var, (int) $config[$captcha_var]);

+ }

+ }

+

+ // acp_captcha has a delivery function; let's use it

+ $template->assign_vars(array(

+ 'CONFIRM_IMAGE' => append_sid($phpbb_admin_path . 'index.' . $phpEx, 'captcha_demo=1&amp;mode=visual&amp;i=' . $id . '&amp;select_captcha=' . $this->get_service_name()) . $variables,

+ 'CONFIRM_ID' => $this->confirm_id,

+ ));

+

+ return 'captcha_default_acp_demo.html';

+ }

+

+ function get_hidden_fields()

+ {

+ $hidden_fields = array();

+

+ // this is required for posting.php - otherwise we would forget about the captcha being already solved

+ if ($this->solved)

+ {

+ $hidden_fields['confirm_code'] = $this->confirm_code;

+ }

+ $hidden_fields['confirm_id'] = $this->confirm_id;

+ return $hidden_fields;

+ }

+

+ function garbage_collect($type)

+ {

+ global $db, $config;

+

+ $sql = 'SELECT DISTINCT c.session_id

+ FROM ' . CONFIRM_TABLE . ' c

+ LEFT JOIN ' . SESSIONS_TABLE . ' s ON (c.session_id = s.session_id)

+ WHERE s.session_id IS NULL' .

+ ((empty($type)) ? '' : ' AND c.confirm_type = ' . (int) $type);

+ $result = $db->sql_query($sql);

+

+ if ($row = $db->sql_fetchrow($result))

+ {

+ $sql_in = array();

+ do

+ {

+ $sql_in[] = (string) $row['session_id'];

+ }

+ while ($row = $db->sql_fetchrow($result));

+

+ if (sizeof($sql_in))

+ {

+ $sql = 'DELETE FROM ' . CONFIRM_TABLE . '

+ WHERE ' . $db->sql_in_set('session_id', $sql_in);

+ $db->sql_query($sql);

+ }

+ }

+ $db->sql_freeresult($result);

+ }

+

+ function uninstall()

+ {

+ $this->garbage_collect(0);

+ }

+

+ function install()

+ {

+ return;

+ }

+

+ function validate()

+ {

+ global $config, $db, $user;

+

+ if (empty($user->lang))

+ {

+ $user->setup();

+ }

+

+ $error = '';

+ if (!$this->confirm_id)

+ {

+ $error = $user->lang['CONFIRM_CODE_WRONG'];

+ }

+ else

+ {

+ if ($this->check_code())

+ {

+ $this->solved = true;

+ }

+ else

+ {

+ $error = $user->lang['CONFIRM_CODE_WRONG'];

+ }

+ }

+

+ if (strlen($error))

+ {

+ // okay, incorrect answer. Let's ask a new question.

+ $this->new_attempt();

+ return $error;

+ }

+ else

+ {

+ return false;

+ }

+ }

+

+ /**

+ * The old way to generate code, suitable for GD and non-GD. Resets the internal state.

+ */

+ function generate_code()

+ {

+ global $db, $user;

+

+ $this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));

+ $this->confirm_id = md5(unique_id($user->ip));

+ $this->seed = hexdec(substr(unique_id(), 4, 10));

+ $this->solved = 0;

+ // compute $seed % 0x7fffffff

+ $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);

+

+ $sql = 'INSERT INTO ' . CONFIRM_TABLE . ' ' . $db->sql_build_array('INSERT', array(

+ 'confirm_id' => (string) $this->confirm_id,

+ 'session_id' => (string) $user->session_id,

+ 'confirm_type' => (int) $this->type,

+ 'code' => (string) $this->code,

+ 'seed' => (int) $this->seed)

+ );

+ $db->sql_query($sql);

+ }

+

+ /**

+ * New Question, if desired.

+ */

+ function regenerate_code()

+ {

+ global $db, $user;

+

+ $this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));

+ $this->seed = hexdec(substr(unique_id(), 4, 10));

+ $this->solved = 0;

+ // compute $seed % 0x7fffffff

+ $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);

+

+ $sql = 'UPDATE ' . CONFIRM_TABLE . ' SET ' . $db->sql_build_array('UPDATE', array(

+ 'code' => (string) $this->code,

+ 'seed' => (int) $this->seed)) . '

+ WHERE

+ confirm_id = \'' . $db->sql_escape($this->confirm_id) . '\'

+ AND session_id = \'' . $db->sql_escape($user->session_id) . '\'';

+ $db->sql_query($sql);

+ }

+

+ /**

+ * New Question, if desired.

+ */

+ function new_attempt()

+ {

+ global $db, $user;

+

+ $this->code = gen_rand_string_friendly(mt_rand(CAPTCHA_MIN_CHARS, CAPTCHA_MAX_CHARS));

+ $this->seed = hexdec(substr(unique_id(), 4, 10));

+ $this->solved = 0;

+ // compute $seed % 0x7fffffff

+ $this->seed -= 0x7fffffff * floor($this->seed / 0x7fffffff);

+

+ $sql = 'UPDATE ' . CONFIRM_TABLE . ' SET ' . $db->sql_build_array('UPDATE', array(

+ 'code' => (string) $this->code,

+ 'seed' => (int) $this->seed)) . '

+ , attempts = attempts + 1

+ WHERE

+ confirm_id = \'' . $db->sql_escape($this->confirm_id) . '\'

+ AND session_id = \'' . $db->sql_escape($user->session_id) . '\'';

+ $db->sql_query($sql);

+ }

+

+ /**

+ * Look up everything we need for painting&checking.

+ */

+ function load_code()

+ {

+ global $db, $user;

+

+ $sql = 'SELECT code, seed, attempts

+ FROM ' . CONFIRM_TABLE . "

+ WHERE confirm_id = '" . $db->sql_escape($this->confirm_id) . "'

+ AND session_id = '" . $db->sql_escape($user->session_id) . "'

+ AND confirm_type = " . $this->type;

+ $result = $db->sql_query($sql);

+ $row = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ if ($row)

+ {

+ $this->code = $row['code'];

+ $this->seed = $row['seed'];

+ $this->attempts = $row['attempts'];

+ return true;

+ }

+

+ return false;

+ }

+

+ function check_code()

+ {

+ return (strcasecmp($this->code, $this->confirm_code) === 0);

+ }

+

+ function get_attempt_count()

+ {

+ return $this->attempts;

+ }

+

+ function reset()

+ {

+ global $db, $user;

+

+ $sql = 'DELETE FROM ' . CONFIRM_TABLE . "

+ WHERE session_id = '" . $db->sql_escape($user->session_id) . "'

+ AND confirm_type = " . (int) $this->type;

+ $db->sql_query($sql);

+

+ // we leave the class usable by generating a new question

+ $this->generate_code();

+ }

+

+ function is_solved()

+ {

+ if (request_var('confirm_code', false) && $this->solved === 0)

+ {

+ $this->validate();

+ }

+ return (bool) $this->solved;

+ }

+

+ /**

+ * API function

+ */

+ function has_config()

+ {

+ return false;

+ }

+

+ /**

+ * @return string the name of the service corresponding to the plugin

+ */

+ function get_service_name()

+ {

+ return $this->service_name;

+ }

+

+ /**

+ * Set the name of the plugin

+ *

+ * @param string $name

+ */

+ public function set_name($name)

+ {

+ $this->service_name = $name;

+ }

+

+ /**

+ * @return string the name of the class used to generate the captcha

+ */

+ abstract function get_generator_class();

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+class gd extends captcha_abstract

+{

+ var $captcha_vars = array(

+ 'captcha_gd_x_grid' => 'CAPTCHA_GD_X_GRID',

+ 'captcha_gd_y_grid' => 'CAPTCHA_GD_Y_GRID',

+ 'captcha_gd_foreground_noise' => 'CAPTCHA_GD_FOREGROUND_NOISE',

+// 'captcha_gd' => 'CAPTCHA_GD_PREVIEWED',

+ 'captcha_gd_wave' => 'CAPTCHA_GD_WAVE',

+ 'captcha_gd_3d_noise' => 'CAPTCHA_GD_3D_NOISE',

+ 'captcha_gd_fonts' => 'CAPTCHA_GD_FONTS',

+ );

+

+ public function is_available()

+ {

+ return @extension_loaded('gd');

+ }

+

+ /**

+ * @return string the name of the class used to generate the captcha

+ */

+ function get_generator_class()

+ {

+ return '\\phpbb\\captcha\\gd';

+ }

+

+ /**

+ * API function

+ */

+ function has_config()

+ {

+ return true;

+ }

+

+ public function get_name()

+ {

+ return 'CAPTCHA_GD';

+ }

+

+ function acp_page($id, &$module)

+ {

+ global $db, $user, $auth, $template;

+ global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;

+

+ $user->add_lang('acp/board');

+

+ $config_vars = array(

+ 'enable_confirm' => 'REG_ENABLE',

+ 'enable_post_confirm' => 'POST_ENABLE',

+ 'confirm_refresh' => 'CONFIRM_REFRESH',

+ 'captcha_gd' => 'CAPTCHA_GD',

+ );

+

+ $module->tpl_name = 'captcha_gd_acp';

+ $module->page_title = 'ACP_VC_SETTINGS';

+ $form_key = 'acp_captcha';

+ add_form_key($form_key);

+

+ $submit = request_var('submit', '');

+

+ if ($submit && check_form_key($form_key))

+ {

+ $captcha_vars = array_keys($this->captcha_vars);

+ foreach ($captcha_vars as $captcha_var)

+ {

+ $value = request_var($captcha_var, 0);

+ if ($value >= 0)

+ {

+ set_config($captcha_var, $value);

+ }

+ }

+

+ add_log('admin', 'LOG_CONFIG_VISUAL');

+ trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($module->u_action));

+ }

+ else if ($submit)

+ {

+ trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action));

+ }

+ else

+ {

+ foreach ($this->captcha_vars as $captcha_var => $template_var)

+ {

+ $var = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, 0) : $config[$captcha_var];

+ $template->assign_var($template_var, $var);

+ }

+

+ $template->assign_vars(array(

+ 'CAPTCHA_PREVIEW' => $this->get_demo_template($id),

+ 'CAPTCHA_NAME' => $this->get_service_name(),

+ 'U_ACTION' => $module->u_action,

+ ));

+ }

+ }

+

+ function execute_demo()

+ {

+ global $config;

+

+ $config_old = $config;

+

+ $config = new \phpbb\config\config(array());

+ foreach ($config_old as $key => $value)

+ {

+ $config->set($key, $value);

+ }

+

+ foreach ($this->captcha_vars as $captcha_var => $template_var)

+ {

+ $config->set($captcha_var, request_var($captcha_var, (int) $config[$captcha_var]));

+ }

+ parent::execute_demo();

+ $config = $config_old;

+ }

+

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+class gd_wave extends captcha_abstract

+{

+ public function is_available()

+ {

+ return @extension_loaded('gd');

+ }

+

+ public function get_name()

+ {

+ return 'CAPTCHA_GD_3D';

+ }

+

+ /**

+ * @return string the name of the class used to generate the captcha

+ */

+ function get_generator_class()

+ {

+ return '\\phpbb\\captcha\\gd_wave';

+ }

+

+ function acp_page($id, &$module)

+ {

+ global $config, $db, $template, $user;

+

+ trigger_error($user->lang['CAPTCHA_NO_OPTIONS'] . adm_back_link($module->u_action));

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+class nogd extends captcha_abstract

+{

+ public function is_available()

+ {

+ return true;

+ }

+

+ public function get_name()

+ {

+ return 'CAPTCHA_NO_GD';

+ }

+

+ /**

+ * @return string the name of the class used to generate the captcha

+ */

+ function get_generator_class()

+ {

+ return '\\phpbb\\captcha\\non_gd';

+ }

+

+ function acp_page($id, &$module)

+ {

+ global $user;

+

+ trigger_error($user->lang['CAPTCHA_NO_OPTIONS'] . adm_back_link($module->u_action));

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+/**

+* And now to something completely different. Let's make a captcha without extending the abstract class.

+* QA CAPTCHA sample implementation

+*/

+class qa

+{

+ var $confirm_id;

+ var $answer;

+ var $question_ids;

+ var $question_text;

+ var $question_lang;

+ var $question_strict;

+ var $attempts = 0;

+ var $type;

+ // dirty trick: 0 is false, but can still encode that the captcha is not yet validated

+ var $solved = 0;

+

+ protected $table_captcha_questions;

+ protected $table_captcha_answers;

+ protected $table_qa_confirm;

+

+ /**

+ * @var string name of the service.

+ */

+ protected $service_name;

+

+ /**

+ * Constructor

+ *

+ * @param string $table_captcha_questions

+ * @param string $table_captcha_answers

+ * @param string $table_qa_confirm

+ */

+ function __construct($table_captcha_questions, $table_captcha_answers, $table_qa_confirm)

+ {

+ $this->table_captcha_questions = $table_captcha_questions;

+ $this->table_captcha_answers = $table_captcha_answers;

+ $this->table_qa_confirm = $table_qa_confirm;

+ }

+

+ /**

+ * @param int $type as per the CAPTCHA API docs, the type

+ */

+ function init($type)

+ {

+ global $config, $db, $user;

+

+ // load our language file

+ $user->add_lang('captcha_qa');

+

+ // read input

+ $this->confirm_id = request_var('qa_confirm_id', '');

+ $this->answer = utf8_normalize_nfc(request_var('qa_answer', '', true));

+

+ $this->type = (int) $type;

+ $this->question_lang = $user->lang_name;

+

+ // we need all defined questions - shouldn't be too many, so we can just grab them

+ // try the user's lang first

+ $sql = 'SELECT question_id

+ FROM ' . $this->table_captcha_questions . "

+ WHERE lang_iso = '" . $db->sql_escape($user->lang_name) . "'";

+ $result = $db->sql_query($sql, 3600);

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $this->question_ids[$row['question_id']] = $row['question_id'];

+ }

+ $db->sql_freeresult($result);

+

+ // fallback to the board default lang

+ if (!sizeof($this->question_ids))

+ {

+ $this->question_lang = $config['default_lang'];

+

+ $sql = 'SELECT question_id

+ FROM ' . $this->table_captcha_questions . "

+ WHERE lang_iso = '" . $db->sql_escape($config['default_lang']) . "'";

+ $result = $db->sql_query($sql, 7200);

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $this->question_ids[$row['question_id']] = $row['question_id'];

+ }

+ $db->sql_freeresult($result);

+ }

+

+ // okay, if there is a confirm_id, we try to load that confirm's state. If not, we try to find one

+ if (!$this->load_answer() && (!$this->load_confirm_id() || !$this->load_answer()))

+ {

+ // we have no valid confirm ID, better get ready to ask something

+ $this->select_question();

+ }

+ }

+

+ /**

+ * See if the captcha has created its tables.

+ */

+ public function is_installed()

+ {

+ global $db;

+

+ $db_tool = new \phpbb\db\tools($db);

+

+ return $db_tool->sql_table_exists($this->table_captcha_questions);

+ }

+

+ /**

+ * API function - for the captcha to be available, it must have installed itself and there has to be at least one question in the board's default lang

+ */

+ public function is_available()

+ {

+ global $config, $db, $phpbb_root_path, $phpEx, $user;

+

+ // load language file for pretty display in the ACP dropdown

+ $user->add_lang('captcha_qa');

+

+ if (!$this->is_installed())

+ {

+ return false;

+ }

+

+ $sql = 'SELECT COUNT(question_id) AS question_count

+ FROM ' . $this->table_captcha_questions . "

+ WHERE lang_iso = '" . $db->sql_escape($config['default_lang']) . "'";

+ $result = $db->sql_query($sql);

+ $row = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ return ((bool) $row['question_count']);

+ }

+

+ /**

+ * API function

+ */

+ function has_config()

+ {

+ return true;

+ }

+

+ /**

+ * API function

+ */

+ static public function get_name()

+ {

+ return 'CAPTCHA_QA';

+ }

+

+ /**

+ * @return string the name of the service corresponding to the plugin

+ */

+ function get_service_name()

+ {

+ return $this->service_name;

+ }

+

+ /**

+ * Set the name of the plugin

+ *

+ * @param string $name

+ */

+ public function set_name($name)

+ {

+ $this->service_name = $name;

+ }

+

+ /**

+ * API function - not needed as we don't display an image

+ */

+ function execute_demo()

+ {

+ }

+

+ /**

+ * API function - not needed as we don't display an image

+ */

+ function execute()

+ {

+ }

+

+ /**

+ * API function - send the question to the template

+ */

+ function get_template()

+ {

+ global $template;

+

+ if ($this->is_solved())

+ {

+ return false;

+ }

+ else

+ {

+ $template->assign_vars(array(

+ 'QA_CONFIRM_QUESTION' => $this->question_text,

+ 'QA_CONFIRM_ID' => $this->confirm_id,

+ 'S_CONFIRM_CODE' => true,

+ 'S_TYPE' => $this->type,

+ ));

+

+ return 'captcha_qa.html';

+ }

+ }

+

+ /**

+ * API function - we just display a mockup so that the captcha doesn't need to be installed

+ */

+ function get_demo_template()

+ {

+ global $config, $db, $template;

+

+ if ($this->is_available())

+ {

+ $sql = 'SELECT question_text

+ FROM ' . $this->table_captcha_questions . "

+ WHERE lang_iso = '" . $db->sql_escape($config['default_lang']) . "'";

+ $result = $db->sql_query_limit($sql, 1);

+ if ($row = $db->sql_fetchrow($result))

+ {

+ $template->assign_vars(array(

+ 'QA_CONFIRM_QUESTION' => $row['question_text'],

+ ));

+ }

+ $db->sql_freeresult($result);

+ }

+ return 'captcha_qa_acp_demo.html';

+ }

+

+ /**

+ * API function

+ */

+ function get_hidden_fields()

+ {

+ $hidden_fields = array();

+

+ // this is required - otherwise we would forget about the captcha being already solved

+ if ($this->solved)

+ {

+ $hidden_fields['qa_answer'] = $this->answer;

+ }

+ $hidden_fields['qa_confirm_id'] = $this->confirm_id;

+

+ return $hidden_fields;

+ }

+

+ /**

+ * API function

+ */

+ function garbage_collect($type = 0)

+ {

+ global $db, $config;

+

+ $sql = 'SELECT c.confirm_id

+ FROM ' . $this->table_qa_confirm . ' c

+ LEFT JOIN ' . SESSIONS_TABLE . ' s

+ ON (c.session_id = s.session_id)

+ WHERE s.session_id IS NULL' .

+ ((empty($type)) ? '' : ' AND c.confirm_type = ' . (int) $type);

+ $result = $db->sql_query($sql);

+

+ if ($row = $db->sql_fetchrow($result))

+ {

+ $sql_in = array();

+

+ do

+ {

+ $sql_in[] = (string) $row['confirm_id'];

+ }

+ while ($row = $db->sql_fetchrow($result));

+

+ if (sizeof($sql_in))

+ {

+ $sql = 'DELETE FROM ' . $this->table_qa_confirm . '

+ WHERE ' . $db->sql_in_set('confirm_id', $sql_in);

+ $db->sql_query($sql);

+ }

+ }

+ $db->sql_freeresult($result);

+ }

+

+ /**

+ * API function - we don't drop the tables here, as that would cause the loss of all entered questions.

+ */

+ function uninstall()

+ {

+ $this->garbage_collect(0);

+ }

+

+ /**

+ * API function - set up shop

+ */

+ function install()

+ {

+ global $db;

+

+ $db_tool = new \phpbb\db\tools($db);

+

+ $tables = array($this->table_captcha_questions, $this->table_captcha_answers, $this->table_qa_confirm);

+

+ $schemas = array(

+ $this->table_captcha_questions => array (

+ 'COLUMNS' => array(

+ 'question_id' => array('UINT', null, 'auto_increment'),

+ 'strict' => array('BOOL', 0),

+ 'lang_id' => array('UINT', 0),

+ 'lang_iso' => array('VCHAR:30', ''),

+ 'question_text' => array('TEXT_UNI', ''),

+ ),

+ 'PRIMARY_KEY' => 'question_id',

+ 'KEYS' => array(

+ 'lang' => array('INDEX', 'lang_iso'),

+ ),

+ ),

+ $this->table_captcha_answers => array (

+ 'COLUMNS' => array(

+ 'question_id' => array('UINT', 0),

+ 'answer_text' => array('STEXT_UNI', ''),

+ ),

+ 'KEYS' => array(

+ 'qid' => array('INDEX', 'question_id'),

+ ),

+ ),

+ $this->table_qa_confirm => array (

+ 'COLUMNS' => array(

+ 'session_id' => array('CHAR:32', ''),

+ 'confirm_id' => array('CHAR:32', ''),

+ 'lang_iso' => array('VCHAR:30', ''),

+ 'question_id' => array('UINT', 0),

+ 'attempts' => array('UINT', 0),

+ 'confirm_type' => array('USINT', 0),

+ ),

+ 'KEYS' => array(

+ 'session_id' => array('INDEX', 'session_id'),

+ 'lookup' => array('INDEX', array('confirm_id', 'session_id', 'lang_iso')),

+ ),

+ 'PRIMARY_KEY' => 'confirm_id',

+ ),

+ );

+

+ foreach($schemas as $table => $schema)

+ {

+ if (!$db_tool->sql_table_exists($table))

+ {

+ $db_tool->sql_create_table($table, $schema);

+ }

+ }

+ }

+

+ /**

+ * API function - see what has to be done to validate

+ */

+ function validate()

+ {

+ global $config, $db, $user;

+

+ $error = '';

+

+ if (!sizeof($this->question_ids))

+ {

+ return false;

+ }

+

+ if (!$this->confirm_id)

+ {

+ $error = $user->lang['CONFIRM_QUESTION_WRONG'];

+ }

+ else

+ {

+ if ($this->check_answer())

+ {

+ $this->solved = true;

+ }

+ else

+ {

+ $error = $user->lang['CONFIRM_QUESTION_WRONG'];

+ }

+ }

+

+ if (strlen($error))

+ {

+ // okay, incorrect answer. Let's ask a new question.

+ $this->new_attempt();

+ $this->solved = false;

+

+ return $error;

+ }

+ else

+ {

+ return false;

+ }

+ }

+

+ /**

+ * Select a question

+ */

+ function select_question()

+ {

+ global $db, $user;

+

+ if (!sizeof($this->question_ids))

+ {

+ return false;

+ }

+ $this->confirm_id = md5(unique_id($user->ip));

+ $this->question = (int) array_rand($this->question_ids);

+

+ $sql = 'INSERT INTO ' . $this->table_qa_confirm . ' ' . $db->sql_build_array('INSERT', array(

+ 'confirm_id' => (string) $this->confirm_id,

+ 'session_id' => (string) $user->session_id,

+ 'lang_iso' => (string) $this->question_lang,

+ 'confirm_type' => (int) $this->type,

+ 'question_id' => (int) $this->question,

+ ));

+ $db->sql_query($sql);

+

+ $this->load_answer();

+ }

+

+ /**

+ * New Question, if desired.

+ */

+ function reselect_question()

+ {

+ global $db, $user;

+

+ if (!sizeof($this->question_ids))

+ {

+ return false;

+ }

+

+ $this->question = (int) array_rand($this->question_ids);

+ $this->solved = 0;

+

+ $sql = 'UPDATE ' . $this->table_qa_confirm . '

+ SET question_id = ' . (int) $this->question . "

+ WHERE confirm_id = '" . $db->sql_escape($this->confirm_id) . "'

+ AND session_id = '" . $db->sql_escape($user->session_id) . "'";

+ $db->sql_query($sql);

+

+ $this->load_answer();

+ }

+

+ /**

+ * Wrong answer, so we increase the attempts and use a different question.

+ */

+ function new_attempt()

+ {

+ global $db, $user;

+

+ // yah, I would prefer a stronger rand, but this should work

+ $this->question = (int) array_rand($this->question_ids);

+ $this->solved = 0;

+

+ $sql = 'UPDATE ' . $this->table_qa_confirm . '

+ SET question_id = ' . (int) $this->question . ",

+ attempts = attempts + 1

+ WHERE confirm_id = '" . $db->sql_escape($this->confirm_id) . "'

+ AND session_id = '" . $db->sql_escape($user->session_id) . "'";

+ $db->sql_query($sql);

+

+ $this->load_answer();

+ }

+

+

+ /**

+ * See if there is already an entry for the current session.

+ */

+ function load_confirm_id()

+ {

+ global $db, $user;

+

+ $sql = 'SELECT confirm_id

+ FROM ' . $this->table_qa_confirm . "

+ WHERE

+ session_id = '" . $db->sql_escape($user->session_id) . "'

+ AND lang_iso = '" . $db->sql_escape($this->question_lang) . "'

+ AND confirm_type = " . $this->type;

+ $result = $db->sql_query_limit($sql, 1);

+ $row = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ if ($row)

+ {

+ $this->confirm_id = $row['confirm_id'];

+ return true;

+ }

+ return false;

+ }

+

+ /**

+ * Look up everything we need and populate the instance variables.

+ */

+ function load_answer()

+ {

+ global $db, $user;

+

+ if (!strlen($this->confirm_id) || !sizeof($this->question_ids))

+ {

+ return false;

+ }

+

+ $sql = 'SELECT con.question_id, attempts, question_text, strict

+ FROM ' . $this->table_qa_confirm . ' con, ' . $this->table_captcha_questions . " qes

+ WHERE con.question_id = qes.question_id

+ AND confirm_id = '" . $db->sql_escape($this->confirm_id) . "'

+ AND session_id = '" . $db->sql_escape($user->session_id) . "'

+ AND qes.lang_iso = '" . $db->sql_escape($this->question_lang) . "'

+ AND confirm_type = " . $this->type;

+ $result = $db->sql_query($sql);

+ $row = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ if ($row)

+ {

+ $this->question = $row['question_id'];

+

+ $this->attempts = $row['attempts'];

+ $this->question_strict = $row['strict'];

+ $this->question_text = $row['question_text'];

+

+ return true;

+ }

+

+ return false;

+ }

+

+ /**

+ * The actual validation

+ */

+ function check_answer()

+ {

+ global $db;

+

+ $answer = ($this->question_strict) ? utf8_normalize_nfc(request_var('qa_answer', '', true)) : utf8_clean_string(utf8_normalize_nfc(request_var('qa_answer', '', true)));

+

+ $sql = 'SELECT answer_text

+ FROM ' . $this->table_captcha_answers . '

+ WHERE question_id = ' . (int) $this->question;

+ $result = $db->sql_query($sql);

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $solution = ($this->question_strict) ? $row['answer_text'] : utf8_clean_string($row['answer_text']);

+

+ if ($solution === $answer)

+ {

+ $this->solved = true;

+

+ break;

+ }

+ }

+ $db->sql_freeresult($result);

+

+ return $this->solved;

+ }

+

+ /**

+ * API function

+ */

+ function get_attempt_count()

+ {

+ return $this->attempts;

+ }

+

+ /**

+ * API function

+ */

+ function reset()

+ {

+ global $db, $user;

+

+ $sql = 'DELETE FROM ' . $this->table_qa_confirm . "

+ WHERE session_id = '" . $db->sql_escape($user->session_id) . "'

+ AND confirm_type = " . (int) $this->type;

+ $db->sql_query($sql);

+

+ // we leave the class usable by generating a new question

+ $this->select_question();

+ }

+

+ /**

+ * API function

+ */

+ function is_solved()

+ {

+ if (request_var('qa_answer', false) && $this->solved === 0)

+ {

+ $this->validate();

+ }

+

+ return (bool) $this->solved;

+ }

+

+ /**

+ * API function - The ACP backend, this marks the end of the easy methods

+ */

+ function acp_page($id, &$module)

+ {

+ global $db, $user, $auth, $template;

+ global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;

+

+ $user->add_lang('acp/board');

+ $user->add_lang('captcha_qa');

+

+ if (!self::is_installed())

+ {

+ $this->install();

+ }

+

+ $module->tpl_name = 'captcha_qa_acp';

+ $module->page_title = 'ACP_VC_SETTINGS';

+ $form_key = 'acp_captcha';

+ add_form_key($form_key);

+

+ $submit = request_var('submit', false);

+ $question_id = request_var('question_id', 0);

+ $action = request_var('action', '');

+

+ // we have two pages, so users might want to navigate from one to the other

+ $list_url = $module->u_action . "&amp;configure=1&amp;select_captcha=" . $this->get_service_name();

+

+ $template->assign_vars(array(

+ 'U_ACTION' => $module->u_action,

+ 'QUESTION_ID' => $question_id ,

+ 'CLASS' => $this->get_service_name(),

+ ));

+

+ // show the list?

+ if (!$question_id && $action != 'add')

+ {

+ $this->acp_question_list($module);

+ }

+ else if ($question_id && $action == 'delete')

+ {

+ if ($this->get_service_name() !== $config['captcha_plugin'] || !$this->acp_is_last($question_id))

+ {

+ if (confirm_box(true))

+ {

+ $this->acp_delete_question($question_id);

+

+ trigger_error($user->lang['QUESTION_DELETED'] . adm_back_link($list_url));

+ }

+ else

+ {

+ confirm_box(false, $user->lang['CONFIRM_OPERATION'], build_hidden_fields(array(

+ 'question_id' => $question_id,

+ 'action' => $action,

+ 'configure' => 1,

+ 'select_captcha' => $this->get_service_name(),

+ ))

+ );

+ }

+ }

+ else

+ {

+ trigger_error($user->lang['QA_LAST_QUESTION'] . adm_back_link($list_url), E_USER_WARNING);

+ }

+ }

+ else

+ {

+ // okay, show the editor

+ $error = false;

+ $input_question = request_var('question_text', '', true);

+ $input_answers = request_var('answers', '', true);

+ $input_lang = request_var('lang_iso', '', true);

+ $input_strict = request_var('strict', false);

+ $langs = $this->get_languages();

+

+ foreach ($langs as $lang => $entry)

+ {

+ $template->assign_block_vars('langs', array(

+ 'ISO' => $lang,

+ 'NAME' => $entry['name'],

+ ));

+ }

+

+ $template->assign_vars(array(

+ 'U_LIST' => $list_url,

+ ));

+

+ if ($question_id)

+ {

+ if ($question = $this->acp_get_question_data($question_id))

+ {

+ $answers = (isset($input_answers[$lang])) ? $input_answers[$lang] : implode("\n", $question['answers']);

+

+ $template->assign_vars(array(

+ 'QUESTION_TEXT' => ($input_question) ? $input_question : $question['question_text'],

+ 'LANG_ISO' => ($input_lang) ? $input_lang : $question['lang_iso'],

+ 'STRICT' => (isset($_REQUEST['strict'])) ? $input_strict : $question['strict'],

+ 'ANSWERS' => $answers,

+ ));

+ }

+ else

+ {

+ trigger_error($user->lang['FORM_INVALID'] . adm_back_link($list_url));

+ }

+ }

+ else

+ {

+ $template->assign_vars(array(

+ 'QUESTION_TEXT' => $input_question,

+ 'LANG_ISO' => $input_lang,

+ 'STRICT' => $input_strict,

+ 'ANSWERS' => $input_answers,

+ ));

+ }

+

+ if ($submit && check_form_key($form_key))

+ {

+ $data = $this->acp_get_question_input();

+

+ if (!$this->validate_input($data))

+ {

+ $template->assign_vars(array(

+ 'S_ERROR' => true,

+ ));

+ }

+ else

+ {

+ if ($question_id)

+ {

+ $this->acp_update_question($data, $question_id);

+ }

+ else

+ {

+ $this->acp_add_question($data);

+ }

+

+ add_log('admin', 'LOG_CONFIG_VISUAL');

+ trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($list_url));

+ }

+ }

+ else if ($submit)

+ {

+ trigger_error($user->lang['FORM_INVALID'] . adm_back_link($list_url), E_USER_WARNING);

+ }

+ }

+ }

+

+ /**

+ * This handles the list overview

+ */

+ function acp_question_list(&$module)

+ {

+ global $db, $template;

+

+ $sql = 'SELECT *

+ FROM ' . $this->table_captcha_questions;

+ $result = $db->sql_query($sql);

+

+ $template->assign_vars(array(

+ 'S_LIST' => true,

+ ));

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $url = $module->u_action . "&amp;question_id={$row['question_id']}&amp;configure=1&amp;select_captcha=" . $this->get_service_name() . '&amp;';

+

+ $template->assign_block_vars('questions', array(

+ 'QUESTION_TEXT' => $row['question_text'],

+ 'QUESTION_ID' => $row['question_id'],

+ 'QUESTION_LANG' => $row['lang_iso'],

+ 'U_DELETE' => "{$url}action=delete",

+ 'U_EDIT' => "{$url}action=edit",

+ ));

+ }

+ $db->sql_freeresult($result);

+ }

+

+ /**

+ * Grab a question and bring it into a format the editor understands

+ */

+ function acp_get_question_data($question_id)

+ {

+ global $db;

+

+ if ($question_id)

+ {

+ $sql = 'SELECT *

+ FROM ' . $this->table_captcha_questions . '

+ WHERE question_id = ' . $question_id;

+ $result = $db->sql_query($sql);

+ $question = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ if (!$question)

+ {

+ return false;

+ }

+

+ $question['answers'] = array();

+

+ $sql = 'SELECT *

+ FROM ' . $this->table_captcha_answers . '

+ WHERE question_id = ' . $question_id;

+ $result = $db->sql_query($sql);

+

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $question['answers'][] = $row['answer_text'];

+ }

+ $db->sql_freeresult($result);

+

+ return $question;

+ }

+ }

+

+ /**

+ * Grab a question from input and bring it into a format the editor understands

+ */

+ function acp_get_question_input()

+ {

+ $answers = utf8_normalize_nfc(request_var('answers', '', true));

+ $question = array(

+ 'question_text' => request_var('question_text', '', true),

+ 'strict' => request_var('strict', false),

+ 'lang_iso' => request_var('lang_iso', ''),

+ 'answers' => (strlen($answers)) ? explode("\n", $answers) : '',

+ );

+

+ return $question;

+ }

+

+ /**

+ * Update a question.

+ * param mixed $data : an array as created from acp_get_question_input or acp_get_question_data

+ */

+ function acp_update_question($data, $question_id)

+ {

+ global $db, $cache;

+

+ // easier to delete all answers than to figure out which to update

+ $sql = 'DELETE FROM ' . $this->table_captcha_answers . " WHERE question_id = $question_id";

+ $db->sql_query($sql);

+

+ $langs = $this->get_languages();

+ $question_ary = $data;

+ $question_ary['lang_id'] = $langs[$question_ary['lang_iso']]['id'];

+ unset($question_ary['answers']);

+

+ $sql = 'UPDATE ' . $this->table_captcha_questions . '

+ SET ' . $db->sql_build_array('UPDATE', $question_ary) . "

+ WHERE question_id = $question_id";

+ $db->sql_query($sql);

+

+ $this->acp_insert_answers($data, $question_id);

+

+ $cache->destroy('sql', $this->table_captcha_questions);

+ }

+

+ /**

+ * Insert a question.

+ * param mixed $data : an array as created from acp_get_question_input or acp_get_question_data

+ */

+ function acp_add_question($data)

+ {

+ global $db, $cache;

+

+ $langs = $this->get_languages();

+ $question_ary = $data;

+

+ $question_ary['lang_id'] = $langs[$data['lang_iso']]['id'];

+ unset($question_ary['answers']);

+

+ $sql = 'INSERT INTO ' . $this->table_captcha_questions . ' ' . $db->sql_build_array('INSERT', $question_ary);

+ $db->sql_query($sql);

+

+ $question_id = $db->sql_nextid();

+

+ $this->acp_insert_answers($data, $question_id);

+

+ $cache->destroy('sql', $this->table_captcha_questions);

+ }

+

+ /**

+ * Insert the answers.

+ * param mixed $data : an array as created from acp_get_question_input or acp_get_question_data

+ */

+ function acp_insert_answers($data, $question_id)

+ {

+ global $db, $cache;

+

+ foreach ($data['answers'] as $answer)

+ {

+ $answer_ary = array(

+ 'question_id' => $question_id,

+ 'answer_text' => $answer,

+ );

+

+ $sql = 'INSERT INTO ' . $this->table_captcha_answers . ' ' . $db->sql_build_array('INSERT', $answer_ary);

+ $db->sql_query($sql);

+ }

+

+ $cache->destroy('sql', $this->table_captcha_answers);

+ }

+

+ /**

+ * Delete a question.

+ */

+ function acp_delete_question($question_id)

+ {

+ global $db, $cache;

+

+ $tables = array($this->table_captcha_questions, $this->table_captcha_answers);

+

+ foreach ($tables as $table)

+ {

+ $sql = "DELETE FROM $table

+ WHERE question_id = $question_id";

+ $db->sql_query($sql);

+ }

+

+ $cache->destroy('sql', $tables);

+ }

+

+ /**

+ * Check if the entered data can be inserted/used

+ * param mixed $data : an array as created from acp_get_question_input or acp_get_question_data

+ */

+ function validate_input($question_data)

+ {

+ $langs = $this->get_languages();

+

+ if (!isset($question_data['lang_iso']) ||

+ !isset($question_data['question_text']) ||

+ !isset($question_data['strict']) ||

+ !isset($question_data['answers']))

+ {

+ return false;

+ }

+

+ if (!isset($langs[$question_data['lang_iso']]) ||

+ !strlen($question_data['question_text']) ||

+ !sizeof($question_data['answers']) ||

+ !is_array($question_data['answers']))

+ {

+ return false;

+ }

+

+ return true;

+ }

+

+ /**

+ * List the installed language packs

+ */

+ function get_languages()

+ {

+ global $db;

+

+ $sql = 'SELECT *

+ FROM ' . LANG_TABLE;

+ $result = $db->sql_query($sql);

+

+ $langs = array();

+ while ($row = $db->sql_fetchrow($result))

+ {

+ $langs[$row['lang_iso']] = array(

+ 'name' => $row['lang_local_name'],

+ 'id' => (int) $row['lang_id'],

+ );

+ }

+ $db->sql_freeresult($result);

+

+ return $langs;

+ }

+

+

+

+ /**

+ * See if there is a question other than the one we have

+ */

+ function acp_is_last($question_id)

+ {

+ global $config, $db;

+

+ if ($question_id)

+ {

+ $sql = 'SELECT question_id

+ FROM ' . $this->table_captcha_questions . "

+ WHERE lang_iso = '" . $db->sql_escape($config['default_lang']) . "'

+ AND question_id <> " . (int) $question_id;

+ $result = $db->sql_query_limit($sql, 1);

+ $question = $db->sql_fetchrow($result);

+ $db->sql_freeresult($result);

+

+ if (!$question)

+ {

+ return true;

+ }

+ return false;

+ }

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\captcha\plugins;

+

+class recaptcha extends captcha_abstract

+{

+ var $recaptcha_server = 'http://www.google.com/recaptcha/api';

+ var $recaptcha_server_secure = 'https://www.google.com/recaptcha/api'; // class constants :(

+

+ // We are opening a socket to port 80 of this host and send

+ // the POST request asking for verification to the path specified here.

+ var $recaptcha_verify_server = 'www.google.com';

+ var $recaptcha_verify_path = '/recaptcha/api/verify';

+

+ var $challenge;

+ var $response;

+

+ // PHP4 Constructor

+ function phpbb_recaptcha()

+ {

+ global $request;

+ $this->recaptcha_server = $request->is_secure() ? $this->recaptcha_server_secure : $this->recaptcha_server;

+ }

+

+ function init($type)

+ {

+ global $config, $db, $user;

+

+ $user->add_lang('captcha_recaptcha');

+ parent::init($type);

+ $this->challenge = request_var('recaptcha_challenge_field', '');

+ $this->response = request_var('recaptcha_response_field', '');

+ }

+

+ public function is_available()

+ {

+ global $config, $user;

+ $user->add_lang('captcha_recaptcha');

+ return (isset($config['recaptcha_pubkey']) && !empty($config['recaptcha_pubkey']));

+ }

+

+ /**

+ * API function

+ */

+ function has_config()

+ {

+ return true;

+ }

+

+ static public function get_name()

+ {

+ return 'CAPTCHA_RECAPTCHA';

+ }

+

+ /**

+ * This function is implemented because required by the upper class, but is never used for reCaptcha.

+ */

+ function get_generator_class()

+ {

+ throw new \Exception('No generator class given.');

+ }

+

+ function acp_page($id, &$module)

+ {

+ global $config, $db, $template, $user;

+

+ $captcha_vars = array(

+ 'recaptcha_pubkey' => 'RECAPTCHA_PUBKEY',

+ 'recaptcha_privkey' => 'RECAPTCHA_PRIVKEY',

+ );

+

+ $module->tpl_name = 'captcha_recaptcha_acp';

+ $module->page_title = 'ACP_VC_SETTINGS';

+ $form_key = 'acp_captcha';

+ add_form_key($form_key);

+

+ $submit = request_var('submit', '');

+

+ if ($submit && check_form_key($form_key))

+ {

+ $captcha_vars = array_keys($captcha_vars);

+ foreach ($captcha_vars as $captcha_var)

+ {

+ $value = request_var($captcha_var, '');

+ if ($value)

+ {

+ set_config($captcha_var, $value);

+ }

+ }

+

+ add_log('admin', 'LOG_CONFIG_VISUAL');

+ trigger_error($user->lang['CONFIG_UPDATED'] . adm_back_link($module->u_action));

+ }

+ else if ($submit)

+ {

+ trigger_error($user->lang['FORM_INVALID'] . adm_back_link($module->u_action));

+ }

+ else

+ {

+ foreach ($captcha_vars as $captcha_var => $template_var)

+ {

+ $var = (isset($_REQUEST[$captcha_var])) ? request_var($captcha_var, '') : ((isset($config[$captcha_var])) ? $config[$captcha_var] : '');

+ $template->assign_var($template_var, $var);

+ }

+

+ $template->assign_vars(array(

+ 'CAPTCHA_PREVIEW' => $this->get_demo_template($id),

+ 'CAPTCHA_NAME' => $this->get_service_name(),

+ 'U_ACTION' => $module->u_action,

+ ));

+

+ }

+ }

+

+ // not needed

+ function execute_demo()

+ {

+ }

+

+ // not needed

+ function execute()

+ {

+ }

+

+ function get_template()

+ {

+ global $config, $user, $template, $phpbb_root_path, $phpEx;

+

+ if ($this->is_solved())

+ {

+ return false;

+ }

+ else

+ {

+ $contact_link = phpbb_get_board_contact_link($config, $phpbb_root_path, $phpEx);

+ $explain = $user->lang(($this->type != CONFIRM_POST) ? 'CONFIRM_EXPLAIN' : 'POST_CONFIRM_EXPLAIN', '<a href="' . $contact_link . '">', '</a>');

+

+ $template->assign_vars(array(

+ 'RECAPTCHA_SERVER' => $this->recaptcha_server,

+ 'RECAPTCHA_PUBKEY' => isset($config['recaptcha_pubkey']) ? $config['recaptcha_pubkey'] : '',

+ 'RECAPTCHA_ERRORGET' => '',

+ 'S_RECAPTCHA_AVAILABLE' => self::is_available(),

+ 'S_CONFIRM_CODE' => true,

+ 'S_TYPE' => $this->type,

+ 'L_CONFIRM_EXPLAIN' => $explain,

+ ));

+

+ return 'captcha_recaptcha.html';

+ }

+ }

+

+ function get_demo_template($id)

+ {

+ return $this->get_template();

+ }

+

+ function get_hidden_fields()

+ {

+ $hidden_fields = array();

+

+ // this is required for posting.php - otherwise we would forget about the captcha being already solved

+ if ($this->solved)

+ {

+ $hidden_fields['confirm_code'] = $this->code;

+ }

+ $hidden_fields['confirm_id'] = $this->confirm_id;

+ return $hidden_fields;

+ }

+

+ function uninstall()

+ {

+ $this->garbage_collect(0);

+ }

+

+ function install()

+ {

+ return;

+ }

+

+ function validate()

+ {

+ if (!parent::validate())

+ {

+ return false;

+ }

+ else

+ {

+ return $this->recaptcha_check_answer();

+ }

+ }

+

+// Code from here on is based on recaptchalib.php

+/*

+ * This is a PHP library that handles calling reCAPTCHA.

+ * - Documentation and latest version

+ * http://recaptcha.net/plugins/php/

+ * - Get a reCAPTCHA API Key

+ * http://recaptcha.net/api/getkey

+ * - Discussion group

+ * http://groups.google.com/group/recaptcha

+ *

+ * Copyright (c) 2007 reCAPTCHA -- http://recaptcha.net

+ * AUTHORS:

+ * Mike Crawford

+ * Ben Maurer

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a copy

+ * of this software and associated documentation files (the "Software"), to deal

+ * in the Software without restriction, including without limitation the rights

+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

+ * copies of the Software, and to permit persons to whom the Software is

+ * furnished to do so, subject to the following conditions:

+ *

+ * The above copyright notice and this permission notice shall be included in

+ * all copies or substantial portions of the Software.

+ *

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

+ * THE SOFTWARE.

+ */

+

+ /**

+ * Submits an HTTP POST to a reCAPTCHA server

+ * @param string $host

+ * @param string $path

+ * @param array $data

+ * @param int port

+ * @return array response

+ */

+ function _recaptcha_http_post($host, $path, $data, $port = 80)

+ {

+ $req = $this->_recaptcha_qsencode ($data);

+

+ $http_request = "POST $path HTTP/1.0\r\n";

+ $http_request .= "Host: $host\r\n";

+ $http_request .= "Content-Type: application/x-www-form-urlencoded;\r\n";

+ $http_request .= "Content-Length: " . strlen($req) . "\r\n";

+ $http_request .= "User-Agent: reCAPTCHA/PHP/phpBB\r\n";

+ $http_request .= "\r\n";

+ $http_request .= $req;

+

+ $response = '';

+ if (false == ($fs = @fsockopen($host, $port, $errno, $errstr, 10)))

+ {

+ trigger_error('RECAPTCHA_SOCKET_ERROR', E_USER_ERROR);

+ }

+

+ fwrite($fs, $http_request);

+

+ while (!feof($fs))

+ {

+ // One TCP-IP packet

+ $response .= fgets($fs, 1160);

+ }

+ fclose($fs);

+ $response = explode("\r\n\r\n", $response, 2);

+

+ return $response;

+ }

+

+ /**

+ * Calls an HTTP POST function to verify if the user's guess was correct

+ * @param array $extra_params an array of extra variables to post to the server

+ * @return ReCaptchaResponse

+ */

+ function recaptcha_check_answer($extra_params = array())

+ {

+ global $config, $user;

+

+ //discard spam submissions

+ if ($this->challenge == null || strlen($this->challenge) == 0 || $this->response == null || strlen($this->response) == 0)

+ {

+ return $user->lang['RECAPTCHA_INCORRECT'];

+ }

+

+ $response = $this->_recaptcha_http_post($this->recaptcha_verify_server, $this->recaptcha_verify_path,

+ array(

+ 'privatekey' => $config['recaptcha_privkey'],

+ 'remoteip' => $user->ip,

+ 'challenge' => $this->challenge,

+ 'response' => $this->response

+ ) + $extra_params

+ );

+

+ $answers = explode("\n", $response[1]);

+

+ if (trim($answers[0]) === 'true')

+ {

+ $this->solved = true;

+ return false;

+ }

+ else

+ {

+ return $user->lang['RECAPTCHA_INCORRECT'];

+ }

+ }

+

+ /**

+ * Encodes the given data into a query string format

+ * @param $data - array of string elements to be encoded

+ * @return string - encoded request

+ */

+ function _recaptcha_qsencode($data)

+ {

+ $req = '';

+ foreach ($data as $key => $value)

+ {

+ $req .= $key . '=' . urlencode(stripslashes($value)) . '&';

+ }

+

+ // Cut the last '&'

+ $req = substr($req, 0, strlen($req) - 1);

+ return $req;

+ }

+}

+ $this->print_extension_list($output, $this->user->lang('CLI_EXTENSIONS_ENABLED') . $this->user->lang('COLON'), $enabled);

+ $this->print_extension_list($output, $this->user->lang('CLI_EXTENSIONS_DISABLED') . $this->user->lang('COLON'), $disabled);

+ $this->print_extension_list($output, $this->user->lang('CLI_EXTENSIONS_AVAILABLE') . $this->user->lang('COLON'), $purged);

+ $output->writeln("<info>$type</info>");

+ $loader = new YamlFileLoader(new FileLocator(phpbb_realpath($base_path)));

+ function sql_not_like_expression($expression)

+ {

+ $expression = utf8_str_replace(array('_', '%'), array("\_", "\%"), $expression);

+ $expression = utf8_str_replace(array(chr(0) . "\_", chr(0) . "\%"), array('_', '%'), $expression);

+

+ return $this->_sql_not_like_expression('NOT LIKE \'' . $this->sql_escape($expression) . '\'');

+ }

+

+ /**

+ * {@inheritDoc}

+ */

+ * Correctly adjust NOT LIKE expression for special characters

+ * Some DBMS are handling them in a different way

+ *

+ * @param string $expression The expression to use. Every wildcard is

+ * escaped, except $this->any_char and $this->one_char

+ * @return string A SQL statement like: "NOT LIKE 'bertie_%'"

+ */

+ public function sql_not_like_expression($expression);

+

+ /**

+ public function sql_not_like_expression($expression)

+ {

+ return $this->get_driver()->sql_not_like_expression($expression);

+ }

+

+ /**

+ * {@inheritdoc}

+ */

+ * Build NOT LIKE expression

+ * @access private

+ */

+ function _sql_not_like_expression($expression)

+ {

+ return $expression . " ESCAPE '\\'";

+ }

+

+ /**

+ * Build NOT LIKE expression

+ * @access private

+ */

+ function _sql_not_like_expression($expression)

+ {

+ return $expression . " ESCAPE '\\'";

+ }

+

+ /**

+ * Build NOT LIKE expression

+ * @access private

+ */

+ function _sql_not_like_expression($expression)

+ {

+ return $expression;

+ }

+

+ /**

+ /**

+ * Build NOT LIKE expression

+ * @access private

+ */

+ function _sql_not_like_expression($expression)

+ {

+ return $expression . " ESCAPE '\\'";

+ }

+

+ * Build NOT LIKE expression

+ * @access private

+ */

+ function _sql_not_like_expression($expression)

+ {

+ return $expression;

+ }

+

+ /**

+ // Unlike LIKE, GLOB is unfortunately case sensitive.

+ * {@inheritDoc}

+ *

+ * For SQLite an underscore is a not-known character...

+ */

+ function sql_not_like_expression($expression)

+ {

+ // Unlike NOT LIKE, NOT GLOB is unfortunately case sensitive.

+ // We only catch * and ? here, not the character map possible on file globbing.

+ $expression = str_replace(array(chr(0) . '_', chr(0) . '%'), array(chr(0) . '?', chr(0) . '*'), $expression);

+

+ $expression = str_replace(array('?', '*'), array("\?", "\*"), $expression);

+ $expression = str_replace(array(chr(0) . "\?", chr(0) . "\*"), array('?', '*'), $expression);

+

+ return 'NOT GLOB \'' . $this->sql_escape($expression) . '\'';

+ }

+

+ /**

+ * For SQLite an underscore is an unknown character.

+ // Unlike LIKE, GLOB is unfortunately case sensitive.

+ * {@inheritDoc}

+ *

+ * For SQLite an underscore is an unknown character.

+ */

+ public function sql_not_like_expression($expression)

+ {

+ // Unlike NOT LIKE, NOT GLOB is unfortunately case sensitive

+ // We only catch * and ? here, not the character map possible on file globbing.

+ $expression = str_replace(array(chr(0) . '_', chr(0) . '%'), array(chr(0) . '?', chr(0) . '*'), $expression);

+

+ $expression = str_replace(array('?', '*'), array("\?", "\*"), $expression);

+ $expression = str_replace(array(chr(0) . "\?", chr(0) . "\*"), array('?', '*'), $expression);

+

+ return 'NOT GLOB \'' . $this->sql_escape($expression) . '\'';

+ }

+

+ /**

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\db\migration\data\v310;

+

+class captcha_plugins extends \phpbb\db\migration\migration

+{

+ static public function depends_on()

+ {

+ return array(

+ '\phpbb\db\migration\data\v310\rc2',

+ );

+ }

+

+ public function update_data()

+ {

+ $captcha_plugin = $this->config['captcha_plugin'];

+ if (strpos($this->config['captcha_plugin'], 'phpbb_captcha_') === 0)

+ {

+ $captcha_plugin = substr($this->config['captcha_plugin'], strlen('phpbb_captcha_'));

+ }

+

+ return array(

+ array('if', array(

+ (is_file($this->phpbb_root_path . 'phpbb/captcha/plugins/' . $captcha_plugin . '.' . $this->php_ext)),

+ array('config.update', array('captcha_plugin', 'core.captcha.plugins.' . $captcha_plugin)),

+ )),

+ array('if', array(

+ (!is_file($this->phpbb_root_path . 'phpbb/captcha/plugins/' . $captcha_plugin . '.' . $this->php_ext)),

+ array('config.update', array('captcha_plugin', 'core.captcha.plugins.nogd')),

+ )),

+ );

+ }

+}

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\db\migration\data\v310;

+

+class notifications_use_full_name extends \phpbb\db\migration\migration

+{

+ protected $notification_types = array(

+ 'admin_activate_user',

+ 'approve_post',

+ 'approve_topic',

+ 'bookmark',

+ 'disapprove_post',

+ 'disapprove_topic',

+ 'group_request',

+ 'group_request_approved',

+ 'pm',

+ 'post',

+ 'post_in_queue',

+ 'quote',

+ 'report_pm',

+ 'report_pm_closed',

+ 'report_post',

+ 'report_post_closed',

+ 'topic',

+ 'topic_in_queue');

+

+ protected $notification_methods = array(

+ 'email',

+ 'jabber',

+ );

+

+ static public function depends_on()

+ {

+ return array('\phpbb\db\migration\data\v310\rc3');

+ }

+

+ public function update_data()

+ {

+ return array(

+ array('custom', array(array($this, 'update_notifications_name'))),

+ array('custom', array(array($this, 'update_notifications_method_name'))),

+ );

+ }

+

+ public function revert_data()

+ {

+ return array(

+ array('custom', array(array($this, 'revert_notifications_name'))),

+ array('custom', array(array($this, 'revert_notifications_method_name'))),

+ );

+ }

+

+ public function update_notifications_method_name()

+ {

+ foreach ($this->notification_methods as $notification_method)

+ {

+ $sql = 'UPDATE ' . USER_NOTIFICATIONS_TABLE . "

+ SET method = 'notification.method.{$notification_method}'

+ WHERE method = '{$notification_method}'";

+ $this->db->sql_query($sql);

+ }

+ }

+

+ public function revert_notifications_method_name()

+ {

+ foreach ($this->notification_methods as $notification_method)

+ {

+ $sql = 'UPDATE ' . USER_NOTIFICATIONS_TABLE . "

+ SET method = '{$notification_method}'

+ WHERE method = 'notification.method.{$notification_method}'";

+ $this->db->sql_query($sql);

+ }

+ }

+

+ public function update_notifications_name()

+ {

+ $sql = 'UPDATE ' . NOTIFICATION_TYPES_TABLE . '

+ SET notification_type_enabled = 0

+ WHERE ' . $this->db->sql_in_set('notification_type_name', $this->notification_types, true);

+ $this->db->sql_query($sql);

+

+ foreach ($this->notification_types as $notification_type)

+ {

+ $sql = 'UPDATE ' . NOTIFICATION_TYPES_TABLE . "

+ SET notification_type_name = 'notification.type.{$notification_type}'

+ WHERE notification_type_name = '{$notification_type}'";

+ $this->db->sql_query($sql);

+

+ $sql = 'UPDATE ' . USER_NOTIFICATIONS_TABLE . "

+ SET item_type = 'notification.type.{$notification_type}'

+ WHERE item_type = '{$notification_type}'";

+ $this->db->sql_query($sql);

+ }

+ }

+

+ public function revert_notifications_name()

+ {

+ foreach ($this->notification_types as $notification_type)

+ {

+ $sql = 'UPDATE ' . NOTIFICATION_TYPES_TABLE . "

+ SET notification_type_name = '{$notification_type}'

+ WHERE notification_type_name = 'notification.type.{$notification_type}'";

+ $this->db->sql_query($sql);

+

+ $sql = 'UPDATE ' . USER_NOTIFICATIONS_TABLE . "

+ SET item_type = '{$notification_type}'

+ WHERE item_type = 'notification.type.{$notification_type}'";

+ $this->db->sql_query($sql);

+ }

+ }

+}

+ '\phpbb\db\migration\data\v310\profilefield_contact_field',

+ '\phpbb\db\migration\data\v310\profilefield_types',

+ '\phpbb\db\migration\data\v310\profilefield_contact_field',

+ '\phpbb\db\migration\data\v310\profilefield_types',

+ '\phpbb\db\migration\data\v310\profilefield_contact_field',

+ '\phpbb\db\migration\data\v310\profilefield_types',

+ '\phpbb\db\migration\data\v310\profilefield_contact_field',

+ '\phpbb\db\migration\data\v310\profilefield_types',

+ '\phpbb\db\migration\data\v310\profilefield_contact_field',

+ '\phpbb\db\migration\data\v310\profilefield_types',

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\db\migration\data\v310;

+

+class rc3 extends \phpbb\db\migration\migration

+{

+ static public function depends_on()

+ {

+ return array(

+ '\phpbb\db\migration\data\v310\rc2',

+ '\phpbb\db\migration\data\v310\captcha_plugins',

+ '\phpbb\db\migration\data\v310\rename_too_long_indexes',

+ '\phpbb\db\migration\data\v310\search_type',

+ '\phpbb\db\migration\data\v310\topic_sort_username',

+ );

+ }

+

+ public function update_data()

+ {

+ return array(

+ array('config.update', array('version', '3.1.0-RC3')),

+ );

+ }

+}

+ new \phpbb\user('\phpbb\datetime'),

+<?php

+/**

+*

+* This file is part of the phpBB Forum Software package.

+*

+* @copyright (c) phpBB Limited <https://www.phpbb.com>

+* @license GNU General Public License, version 2 (GPL-2.0)

+*

+* For full copyright and license information, please see

+* the docs/CREDITS.txt file.

+*

+*/

+

+namespace phpbb\db\migration\data\v310;

+

+class topic_sort_username extends \phpbb\db\migration\migration

+{

+ static public function depends_on()

+ {

+ return array('\phpbb\db\migration\data\v310\dev');

+ }

+

+ public function update_schema()

+ {

+ return array(

+ 'change_columns' => array(

+ $this->table_prefix . 'topics' => array(

+ 'topic_first_poster_name' => array('VCHAR_UNI:255', '', 'true_sort'),

+ ),

+ ),

+ );

+ }

+

+ public function revert_schema()

+ {

+ return array(

+ 'change_columns' => array(

+ $this->table_prefix . 'topics' => array(

+ 'topic_first_poster_name' => array('VCHAR_UNI:255', ''),

+ ),

+ ),

+ );

+ }

+}

+ 'lang' => str_replace('.', '_', strtoupper($method->get_type())),

+ return 'notification.method.email';

+ return 'notification.method.jabber';

+ return 'notification.type.admin_activate_user';

+ return 'notification.type.approve_post';

+ return 'notification.type.approve_topic';

+ return 'notification.type.bookmark';