<?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.
*
*/
/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
exit;
}
if (!class_exists('bbcode'))
{
// The following lines are for extensions which include message_parser.php
// while $phpbb_root_path and $phpEx are out of the script scope
// which may lead to the 'Undefined variable' and 'failed to open stream' errors
if (!isset($phpbb_root_path))
{
global $phpbb_root_path;
}
if (!isset($phpEx))
{
global $phpEx;
}
include($phpbb_root_path . 'includes/bbcode.' . $phpEx);
}
/**
* BBCODE FIRSTPASS
* BBCODE first pass class (functions for parsing messages for db storage)
*/
class bbcode_firstpass extends bbcode
{
var $message = '';
var $warn_msg = array();
var $parsed_items = array();
var $mode;
/**
* Parse BBCode
*/
function parse_bbcode()
{
if (!$this->bbcodes)
{
$this->bbcode_init();
}
global $user;
$this->bbcode_bitfield = '';
$bitfield = new bitfield();
foreach ($this->bbcodes as $bbcode_name => $bbcode_data)
{
if (isset($bbcode_data['disabled']) && $bbcode_data['disabled'])
{
foreach ($bbcode_data['regexp'] as $regexp => $replacement)
{
if (preg_match($regexp, $this->message))
{
$this->warn_msg[] = sprintf($user->lang['UNAUTHORISED_BBCODE'] , '[' . $bbcode_name . ']');
continue;
}
}
}
else
{
foreach ($bbcode_data['regexp'] as $regexp => $replacement)
{
// The pattern gets compiled and cached by the PCRE extension,
// it should not demand recompilation
if (preg_match($regexp, $this->message))
{
if (is_callable($replacement))
{
$this->message = preg_replace_callback($regexp, $replacement, $this->message);
}
else
{
$this->message = preg_replace($regexp, $replacement, $this->message);
}
$bitfield->set($bbcode_data['bbcode_id']);
}
}
}
}
$this->bbcode_bitfield = $bitfield->get_base64();
}
/**
* Prepare some bbcodes for better parsing
*/
function prepare_bbcodes()
{
// Ok, seems like users instead want the no-parsing of urls, smilies, etc. after and before and within quote tags being tagged as "not a bug".
// Fine by me ;) Will ease our live... but do not come back and cry at us, we won't hear you.
/* Add newline at the end and in front of each quote block to prevent parsing errors (urls, smilies, etc.)
if (strpos($this->message, '[quote') !== false && strpos($this->message, '[/quote]') !== false)
{
$this->message = str_replace("\r\n", "\n", $this->message);
// We strip newlines and spaces after and before quotes in quotes (trimming) and then add exactly one newline
$this->message = preg_replace('#\[quote(=".*?")?\]\s*(.*?)\s*\[/quote\]#siu', '[quote\1]' . "\n" . '\2' ."\n[/quote]", $this->message);
}
*/
// Add other checks which needs to be placed before actually parsing anything (be it bbcodes, smilies, urls...)
}
/**
* Init bbcode data for later parsing
*/
function bbcode_init($allow_custom_bbcode = true)
{
global $phpbb_dispatcher;
static $rowset;
$bbcode_class = $this;
// This array holds all bbcode data. BBCodes will be processed in this
// order, so it is important to keep [code] in first position and
// [quote] in second position.
// To parse multiline URL we enable dotall option setting only for URL text
// but not for link itself, thus [url][/url] is not affected.
//
// To perform custom validation in extension, use $this->validate_bbcode_by_extension()
// method which accepts variable number of parameters
$this->bbcodes = array(
'code' => array('bbcode_id' => BBCODE_ID_CODE, 'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_code($match[1], $match[2]);
}
)),
'quote' => array('bbcode_id' => BBCODE_ID_QUOTE, 'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_quote($match[0]);
}
)),
'attachment' => array('bbcode_id' => BBCODE_ID_ATTACH, 'regexp' => array('#\[attachment=([0-9]+)\](.*?)\[/attachment\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_attachment($match[1], $match[2]);
}
)),
'b' => array('bbcode_id' => BBCODE_ID_B, 'regexp' => array('#\[b\](.*?)\[/b\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_strong($match[1]);
}
)),
'i' => array('bbcode_id' => BBCODE_ID_I, 'regexp' => array('#\[i\](.*?)\[/i\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_italic($match[1]);
}
)),
'url' => array('bbcode_id' => BBCODE_ID_URL, 'regexp' => array('#\[url(=(.*))?\](?(1)((?s).*(?-s))|(.*))\[/url\]#uiU' => function ($match) use($bbcode_class)
{
return $bbcode_class->validate_url($match[2], ($match[3]) ? $match[3] : $match[4]);
}
)),
'img' => array('bbcode_id' => BBCODE_ID_IMG, 'regexp' => array('#\[img\](.*)\[/img\]#uiU' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_img($match[1]);
}
)),
'size' => array('bbcode_id' => BBCODE_ID_SIZE, 'regexp' => array('#\[size=([\-\+]?\d+)\](.*?)\[/size\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_size($match[1], $match[2]);
}
)),
'color' => array('bbcode_id' => BBCODE_ID_COLOR, 'regexp' => array('!\[color=(#[0-9a-f]{3}|#[0-9a-f]{6}|[a-z\-]+)\](.*?)\[/color\]!uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_color($match[1], $match[2]);
}
)),
'u' => array('bbcode_id' => BBCODE_ID_U, 'regexp' => array('#\[u\](.*?)\[/u\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_underline($match[1]);
}
)),
'list' => array('bbcode_id' => BBCODE_ID_LIST, 'regexp' => array('#\[list(?:=(?:[a-z0-9]|disc|circle|square))?].*\[/list]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_parse_list($match[0]);
}
)),
'email' => array('bbcode_id' => BBCODE_ID_EMAIL, 'regexp' => array('#\[email=?(.*?)?\](.*?)\[/email\]#uis' => function ($match) use($bbcode_class)
{
return $bbcode_class->validate_email($match[1], $match[2]);
}
)),
'flash' => array('bbcode_id' => BBCODE_ID_FLASH, 'regexp' => array('#\[flash=([0-9]+),([0-9]+)\](.*?)\[/flash\]#ui' => function ($match) use($bbcode_class)
{
return $bbcode_class->bbcode_flash($match[1], $match[2], $match[3]);
}
))
);
// Zero the parsed items array
$this->parsed_items = array();
foreach ($this->bbcodes as $tag => $bbcode_data)
{
$this->parsed_items[$tag] = 0;
}
if (!$allow_custom_bbcode)
{
return;
}
if (!is_array($rowset))
{
global $db;
$rowset = array();
$sql = 'SELECT *
FROM ' . BBCODES_TABLE;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$rowset[] = $row;
}
$db->sql_freeresult($result);
}
foreach ($rowset as $row)
{
$this->bbcodes[$row['bbcode_tag']] = array(
'bbcode_id' => (int) $row['bbcode_id'],
'regexp' => array($row['first_pass_match'] => str_replace('$uid', $this->bbcode_uid, $row['first_pass_replace']))
);
}
$bbcodes = $this->bbcodes;
/**
* Event to modify the bbcode data for later parsing
*
* @event core.modify_bbcode_init
* @var array bbcodes Array of bbcode data for use in parsing
* @var array rowset Array of bbcode data from the database
* @since 3.1.0-a3
*/
$vars = array('bbcodes', 'rowset');
extract($phpbb_dispatcher->trigger_event('core.modify_bbcode_init', compact($vars)));
$this->bbcodes = $bbcodes;
}
/**
* Making some pre-checks for bbcodes as well as increasing the number of parsed items
*/
function check_bbcode($bbcode, &$in)
{
// when using the /e modifier, preg_replace slashes double-quotes but does not
// seem to slash anything else
$in = str_replace("\r\n", "\n", str_replace('\"', '"', $in));
// Trimming here to make sure no empty bbcodes are parsed accidently
if (trim($in) == '')
{
return false;
}
$this->parsed_items[$bbcode]++;
return true;
}
/**
* Transform some characters in valid bbcodes
*/
function bbcode_specialchars($text)
{
$str_from = array('<', '>', '[', ']', '.', ':');
$str_to = array('<', '>', '[', ']', '.', ':');
return str_replace($str_from, $str_to, $text);
}
/**
* Parse size tag
*/
function bbcode_size($stx, $in)
{
global $user, $config;
if (!$this->check_bbcode('size', $in))
{
return $in;
}
if ($config['max_' . $this->mode . '_font_size'] && $config['max_' . $this->mode . '_font_size'] < $stx)
{
$this->warn_msg[] = $user->lang('MAX_FONT_SIZE_EXCEEDED', (int) $config['max_' . $this->mode . '_font_size']);
return '[size=' . $stx . ']' . $in . '[/size]';
}
// Do not allow size=0
if ($stx <= 0)
{
return '[size=' . $stx . ']' . $in . '[/size]';
}
return '[size=' . $stx . ':' . $this->bbcode_uid . ']' . $in . '[/size:' . $this->bbcode_uid . ']';
}
/**
* Parse color tag
*/
function bbcode_color($stx, $in)
{
if (!$this->check_bbcode('color', $in))
{
return $in;
}
return '[color=' . $stx . ':' . $this->bbcode_uid . ']' . $in . '[/color:' . $this->bbcode_uid . ']';
}
/**
* Parse u tag
*/
function bbcode_underline($in)
{
if (!$this->check_bbcode('u', $in))
{
return $in;
}
return '[u:' . $this->bbcode_uid . ']' . $in . '[/u:' . $this->bbcode_uid . ']';
}
/**
* Parse b tag
*/
function bbcode_strong($in)
{
if (!$this->check_bbcode('b', $in))
{
return $in;
}
return '[b:' . $this->bbcode_uid . ']' . $in . '[/b:' . $this->bbcode_uid . ']';
}
/**
* Parse i tag
*/
function bbcode_italic($in)
{
if (!$this->check_bbcode('i', $in))
{
return $in;
}
return '[i:' . $this->bbcode_uid . ']' . $in . '[/i:' . $this->bbcode_uid . ']';
}
/**
* Parse img tag
*/
function bbcode_img($in)
{
global $user, $config;
if (!$this->check_bbcode('img', $in))
{
return $in;
}
$in = trim($in);
$error = false;
$in = str_replace(' ', '%20', $in);
// Checking urls
if (!preg_match('#^' . get_preg_expression('url') . '$#iu', $in) && !preg_match('#^' . get_preg_expression('www_url') . '$#iu', $in))
{
return '[img]' . $in . '[/img]';
}
// Try to cope with a common user error... not specifying a protocol but only a subdomain
if (!preg_match('#^[a-z0-9]+://#i', $in))
{
$in = 'http://' . $in;
}
if ($config['max_' . $this->mode . '_img_height'] || $config['max_' . $this->mode . '_img_width'])
{
$imagesize = new \FastImageSize\FastImageSize();
$size_info = $imagesize->getImageSize(htmlspecialchars_decode($in));
if ($size_info === false)
{
$error = true;
$this->warn_msg[] = $user->lang['UNABLE_GET_IMAGE_SIZE'];
}
else
{
if ($config['max_' . $this->mode . '_img_height'] && $config['max_' . $this->mode . '_img_height'] < $size_info['height'])
{
$error = true;
$this->warn_msg[] = $user->lang('MAX_IMG_HEIGHT_EXCEEDED', (int) $config['max_' . $this->mode . '_img_height']);
}
if ($config['max_' . $this->mode . '_img_width'] && $config['max_' . $this->mode . '_img_width'] < $size_info['width'])
{
$error = true;
$this->warn_msg[] = $user->lang('MAX_IMG_WIDTH_EXCEEDED', (int) $config['max_' . $this->mode . '_img_width']);
}
}
}
if ($error || $this->path_in_domain($in))
{
return '[img]' . $in . '[/img]';
}
return '[img:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($in) . '[/img:' . $this->bbcode_uid . ']';
}
/**
* Parse flash tag
*/
function bbcode_flash($width, $height, $in)
{
global $user, $config;
if (!$this->check_bbcode('flash', $in))
{
return $in;
}
$in = trim($in);
$error = false;
// Do not allow 0-sizes generally being entered
if ($width <= 0 || $height <= 0)
{
return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';
}
$in = str_replace(' ', '%20', $in);
// Make sure $in is a URL.
if (!preg_match('#^' . get_preg_expression('url') . '$#iu', $in) &&
!preg_match('#^' . get_preg_expression('www_url') . '$#iu', $in))
{
return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';
}
// Apply the same size checks on flash files as on images
if ($config['max_' . $this->mode . '_img_height'] || $config['max_' . $this->mode . '_img_width'])
{
if ($config['max_' . $this->mode . '_img_height'] && $config['max_' . $this->mode . '_img_height'] < $height)
{
$error = true;
$this->warn_msg[] = $user->lang('MAX_FLASH_HEIGHT_EXCEEDED', (int) $config['max_' . $this->mode . '_img_height']);
}
if ($config['max_' . $this->mode . '_img_width'] && $config['max_' . $this->mode . '_img_width'] < $width)
{
$error = true;
$this->warn_msg[] = $user->lang('MAX_FLASH_WIDTH_EXCEEDED', (int) $config['max_' . $this->mode . '_img_width']);
}
}
if ($error || $this->path_in_domain($in))
{
return '[flash=' . $width . ',' . $height . ']' . $in . '[/flash]';
}
return '[flash=' . $width . ',' . $height . ':' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($in) . '[/flash:' . $this->bbcode_uid . ']';
}
/**
* Parse inline attachments [ia]
*/
function bbcode_attachment($stx, $in)
{
if (!$this->check_bbcode('attachment', $in))
{
return $in;
}
return '[attachment=' . $stx . ':' . $this->bbcode_uid . ']<!-- ia' . $stx . ' -->' . trim($in) . '<!-- ia' . $stx . ' -->[/attachment:' . $this->bbcode_uid . ']';
}
/**
* Parse code text from code tag
* @access private
*/
function bbcode_parse_code($stx, &$code)
{
switch (strtolower($stx))
{
case 'php':
$remove_tags = false;
$str_from = array('<', '>', '[', ']', '.', ':', ':');
$str_to = array('<', '>', '[', ']', '.', ':', ':');
$code = str_replace($str_from, $str_to, $code);
if (!preg_match('/\<\?.*?\?\>/is', $code))
{
$remove_tags = true;
$code = "<?php $code ?>";
}
$conf = array('highlight.bg', 'highlight.comment', 'highlight.default', 'highlight.html', 'highlight.keyword', 'highlight.string');
foreach ($conf as $ini_var)
{
@ini_set($ini_var, str_replace('highlight.', 'syntax', $ini_var));
}
// Because highlight_string is specialcharing the text (but we already did this before), we have to reverse this in order to get correct results
$code = htmlspecialchars_decode($code);
$code = highlight_string($code, true);
$str_from = array('<span style="color: ', '<font color="syntax', '</font>', '<code>', '</code>','[', ']', '.', ':');
$str_to = array('<span class="', '<span class="syntax', '</span>', '', '', '[', ']', '.', ':');
if ($remove_tags)
{
$str_from[] = '<span class="syntaxdefault"><?php </span>';
$str_to[] = '';
$str_from[] = '<span class="syntaxdefault"><?php ';
$str_to[] = '<span class="syntaxdefault">';
}
$code = str_replace($str_from, $str_to, $code);
$code = preg_replace('#^(<span class="[a-z_]+">)\n?(.*?)\n?(</span>)$#is', '$1$2$3', $code);
if ($remove_tags)
{
$code = preg_replace('#(<span class="[a-z]+">)?\?>(</span>)#', '$1 $2', $code);
}
$code = preg_replace('#^<span class="[a-z]+"><span class="([a-z]+)">(.*)</span></span>#s', '<span class="$1">$2</span>', $code);
$code = preg_replace('#(?:\s++| )*+</span>$#u', '</span>', $code);
// remove newline at the end
if (!empty($code) && substr($code, -1) == "\n")
{
$code = substr($code, 0, -1);
}
return "[code=$stx:" . $this->bbcode_uid . ']' . $code . '[/code:' . $this->bbcode_uid . ']';
break;
default:
return '[code:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($code) . '[/code:' . $this->bbcode_uid . ']';
break;
}
}
/**
* Parse code tag
* Expects the argument to start right after the opening [code] tag and to end with [/code]
*/
function bbcode_code($stx, $in)
{
if (!$this->check_bbcode('code', $in))
{
return $in;
}
// We remove the hardcoded elements from the code block here because it is not used in code blocks
// Having it here saves us one preg_replace per message containing [code] blocks
// Additionally, magic url parsing should go after parsing bbcodes, but for safety those are stripped out too...
$htm_match = get_preg_expression('bbcode_htm');
unset($htm_match[4], $htm_match[5]);
$htm_replace = array('\1', '\1', '\2', '\1');
$out = $code_block = '';
$open = 1;
while ($in)
{
// Determine position and tag length of next code block
preg_match('#(.*?)(\[code(?:=([a-z]+))?\])(.+)#is', $in, $buffer);
$pos = (isset($buffer[1])) ? strlen($buffer[1]) : false;
$tag_length = (isset($buffer[2])) ? strlen($buffer[2]) : false;
// Determine position of ending code tag
$pos2 = stripos($in, '[/code]');
// Which is the next block, ending code or code block
if ($pos !== false && $pos < $pos2)
{
// Open new block
if (!$open)
{
$out .= substr($in, 0, $pos);
$in = substr($in, $pos);
$stx = (isset($buffer[3])) ? $buffer[3] : '';
$code_block = '';
}
else
{
// Already opened block, just append to the current block
$code_block .= substr($in, 0, $pos) . ((isset($buffer[2])) ? $buffer[2] : '');
$in = substr($in, $pos);
}
$in = substr($in, $tag_length);
$open++;
}
else
{
// Close the block
if ($open == 1)
{
$code_block .= substr($in, 0, $pos2);
$code_block = preg_replace($htm_match, $htm_replace, $code_block);
// Parse this code block
$out .= $this->bbcode_parse_code($stx, $code_block);
$code_block = '';
$open--;
}
else if ($open)
{
// Close one open tag... add to the current code block
$code_block .= substr($in, 0, $pos2 + 7);
$open--;
}
else
{
// end code without opening code... will be always outside code block
$out .= substr($in, 0, $pos2 + 7);
}
$in = substr($in, $pos2 + 7);
}
}
// if now $code_block has contents we need to parse the remaining code while removing the last closing tag to match up.
if ($code_block)
{
$code_block = substr($code_block, 0, -7);
$code_block = preg_replace($htm_match, $htm_replace, $code_block);
$out .= $this->bbcode_parse_code($stx, $code_block);
}
return $out;
}
/**
* Parse list bbcode
* Expects the argument to start with a tag
*/
function bbcode_parse_list($in)
{
if (!$this->check_bbcode('list', $in))
{
return $in;
}
// $tok holds characters to stop at. Since the string starts with a '[' we'll get everything up to the first ']' which should be the opening [list] tag
$tok = ']';
$out = '[';
// First character is [
$in = substr($in, 1);
$list_end_tags = $item_end_tags = array();
do
{
$pos = strlen($in);
for ($i = 0, $tok_len = strlen($tok); $i < $tok_len; ++$i)
{
$tmp_pos = strpos($in, $tok[$i]);
if ($tmp_pos !== false && $tmp_pos < $pos)
{
$pos = $tmp_pos;
}
}
$buffer = substr($in, 0, $pos);
$tok = $in[$pos];
$in = substr($in, $pos + 1);
if ($tok == ']')
{
// if $tok is ']' the buffer holds a tag
if (strtolower($buffer) == '/list' && count($list_end_tags))
{
// valid [/list] tag, check nesting so that we don't hit false positives
if (count($item_end_tags) && count($item_end_tags) >= count($list_end_tags))
{
// current li tag has not been closed
$out = preg_replace('/\n?\[$/', '[', $out) . array_pop($item_end_tags) . '][';
}
$out .= array_pop($list_end_tags) . ']';
$tok = '[';
}
else if (preg_match('#^list(=[0-9a-z]+)?$#i', $buffer, $m))
{
// sub-list, add a closing tag
if (empty($m[1]) || preg_match('/^=(?:disc|square|circle)$/i', $m[1]))
{
array_push($list_end_tags, '/list:u:' . $this->bbcode_uid);
}
else
{
array_push($list_end_tags, '/list:o:' . $this->bbcode_uid);
}
$out .= 'list' . substr($buffer, 4) . ':' . $this->bbcode_uid . ']';
$tok = '[';
}
else
{
if (($buffer == '*' || substr($buffer, -2) == '[*') && count($list_end_tags))
{
// the buffer holds a bullet tag and we have a [list] tag open
if (count($item_end_tags) >= count($list_end_tags))
{
if (substr($buffer, -2) == '[*')
{
$out .= substr($buffer, 0, -2) . '[';
}
// current li tag has not been closed
if (preg_match('/\n\[$/', $out, $m))
{
$out = preg_replace('/\n\[$/', '[', $out);
$buffer = array_pop($item_end_tags) . "]\n[*:" . $this->bbcode_uid;
}
else
{
$buffer = array_pop($item_end_tags) . '][*:' . $this->bbcode_uid;
}
}
else
{
$buffer = '*:' . $this->bbcode_uid;
}
$item_end_tags[] = '/*:m:' . $this->bbcode_uid;
}
else if ($buffer == '/*')
{
array_pop($item_end_tags);
$buffer = '/*:' . $this->bbcode_uid;
}
$out .= $buffer . $tok;
$tok = '[]';
}
}
else
{
// Not within a tag, just add buffer to the return string
$out .= $buffer . $tok;
$tok = ($tok == '[') ? ']' : '[]';
}
}
while ($in);
// do we have some tags open? close them now
if (count($item_end_tags))
{
$out .= '[' . implode('][', $item_end_tags) . ']';
}
if (count($list_end_tags))
{
$out .= '[' . implode('][', $list_end_tags) . ']';
}
return $out;
}
/**
* Parse quote bbcode
* Expects the argument to start with a tag
*/
function bbcode_quote($in)
{
$in = str_replace("\r\n", "\n", str_replace('\"', '"', trim($in)));
if (!$in)
{
return '';
}
// To let the parser not catch tokens within quote_username quotes we encode them before we start this...
$in = preg_replace_callback('#quote="(.*?)"\]#i', function ($match) {
return 'quote="' . str_replace(array('[', ']', '\\\"'), array('[', ']', '\"'), $match[1]) . '"]';
}, $in);
$tok = ']';
$out = '[';
$in = substr($in, 1);
$close_tags = $error_ary = array();
$buffer = '';
do
{
$pos = strlen($in);
for ($i = 0, $tok_len = strlen($tok); $i < $tok_len; ++$i)
{
$tmp_pos = strpos($in, $tok[$i]);
if ($tmp_pos !== false && $tmp_pos < $pos)
{
$pos = $tmp_pos;
}
}
$buffer .= substr($in, 0, $pos);
$tok = $in[$pos];
$in = substr($in, $pos + 1);
if ($tok == ']')
{
if (strtolower($buffer) == '/quote' && count($close_tags) && substr($out, -1, 1) == '[')
{
// we have found a closing tag
$out .= array_pop($close_tags) . ']';
$tok = '[';
$buffer = '';
/* Add space at the end of the closing tag if not happened before to allow following urls/smilies to be parsed correctly
* Do not try to think for the user. :/ Do not parse urls/smilies if there is no space - is the same as with other bbcodes too.
* Also, we won't have any spaces within $in anyway, only adding up spaces -> #10982
if (!$in || $in[0] !== ' ')
{
$out .= ' ';
}*/
}
else if (preg_match('#^quote(?:="(.*?)")?$#is', $buffer, $m) && substr($out, -1, 1) == '[')
{
$this->parsed_items['quote']++;
array_push($close_tags, '/quote:' . $this->bbcode_uid);
if (isset($m[1]) && $m[1])
{
$username = str_replace(array('[', ']'), array('[', ']'), $m[1]);
$username = preg_replace('#\[(?!b|i|u|color|url|email|/b|/i|/u|/color|/url|/email)#iU', '[$1', $username);
$end_tags = array();
$error = false;
preg_match_all('#\[((?:/)?(?:[a-z]+))#i', $username, $tags);
foreach ($tags[1] as $tag)
{
if ($tag[0] != '/')
{
$end_tags[] = '/' . $tag;
}
else
{
$end_tag = array_pop($end_tags);
$error = ($end_tag != $tag) ? true : false;
}
}
if ($error)
{
$username = $m[1];
}
$out .= 'quote="' . $username . '":' . $this->bbcode_uid . ']';
}
else
{
$out .= 'quote:' . $this->bbcode_uid . ']';
}
$tok = '[';
$buffer = '';
}
else if (preg_match('#^quote="(.*?)#is', $buffer, $m))
{
// the buffer holds an invalid opening tag
$buffer .= ']';
}
else
{
$out .= $buffer . $tok;
$tok = '[]';
$buffer = '';
}
}
else
{
/**
* Old quote code working fine, but having errors listed in bug #3572
*
* $out .= $buffer . $tok;
* $tok = ($tok == '[') ? ']' : '[]';
* $buffer = '';
*/
$out .= $buffer . $tok;
if ($tok == '[')
{
// Search the text for the next tok... if an ending quote comes first, then change tok to []
$pos1 = stripos($in, '[/quote');
// If the token ] comes first, we change it to ]
$pos2 = strpos($in, ']');
// If the token [ comes first, we change it to [
$pos3 = strpos($in, '[');
if ($pos1 !== false && ($pos2 === false || $pos1 < $pos2) && ($pos3 === false || $pos1 < $pos3))
{
$tok = '[]';
}
else if ($pos3 !== false && ($pos2 === false || $pos3 < $pos2))
{
$tok = '[';
}
else
{
$tok = ']';
}
}
else
{
$tok = '[]';
}
$buffer = '';
}
}
while ($in);
$out .= $buffer;
if (count($close_tags))
{
$out .= '[' . implode('][', $close_tags) . ']';
}
foreach ($error_ary as $error_msg)
{
$this->warn_msg[] = $error_msg;
}
return $out;
}
/**
* Validate email
*/
function validate_email($var1, $var2)
{
$var1 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var1)));
$var2 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var2)));
$txt = $var2;
$email = ($var1) ? $var1 : $var2;
$validated = true;
if (!preg_match('/^' . get_preg_expression('email') . '$/i', $email))
{
$validated = false;
}
if (!$validated)
{
return '[email' . (($var1) ? "=$var1" : '') . ']' . $var2 . '[/email]';
}
$this->parsed_items['email']++;
if ($var1)
{
$retval = '[email=' . $this->bbcode_specialchars($email) . ':' . $this->bbcode_uid . ']' . $txt . '[/email:' . $this->bbcode_uid . ']';
}
else
{
$retval = '[email:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($email) . '[/email:' . $this->bbcode_uid . ']';
}
return $retval;
}
/**
* Validate url
*
* @param string $var1 optional url parameter for url bbcode: [url(=$var1)]$var2[/url]
* @param string $var2 url bbcode content: [url(=$var1)]$var2[/url]
*/
function validate_url($var1, $var2)
{
$var1 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var1)));
$var2 = str_replace("\r\n", "\n", str_replace('\"', '"', trim($var2)));
$url = ($var1) ? $var1 : $var2;
if ($var1 && !$var2)
{
$var2 = $var1;
}
if (!$url)
{
return '[url' . (($var1) ? '=' . $var1 : '') . ']' . $var2 . '[/url]';
}
$valid = false;
$url = str_replace(' ', '%20', $url);
// Checking urls
if (preg_match('#^' . get_preg_expression('url') . '$#iu', $url) ||
preg_match('#^' . get_preg_expression('www_url') . '$#iu', $url) ||
preg_match('#^' . preg_quote(generate_board_url(), '#') . get_preg_expression('relative_url') . '$#iu', $url))
{
$valid = true;
}
if ($valid)
{
$this->parsed_items['url']++;
// if there is no scheme, then add http schema
if (!preg_match('#^[a-z][a-z\d+\-.]*:/{2}#i', $url))
{
$url = 'http://' . $url;
}
// Is this a link to somewhere inside this board? If so then remove the session id from the url
if (strpos($url, generate_board_url()) !== false && strpos($url, 'sid=') !== false)
{
$url = preg_replace('/(&|\?)sid=[0-9a-f]{32}&/', '\1', $url);
$url = preg_replace('/(&|\?)sid=[0-9a-f]{32}$/', '', $url);
$url = append_sid($url);
}
return ($var1) ? '[url=' . $this->bbcode_specialchars($url) . ':' . $this->bbcode_uid . ']' . $var2 . '[/url:' . $this->bbcode_uid . ']' : '[url:' . $this->bbcode_uid . ']' . $this->bbcode_specialchars($url) . '[/url:' . $this->bbcode_uid . ']';
}
return '[url' . (($var1) ? '=' . $var1 : '') . ']' . $var2 . '[/url]';
}
/**
* Check if url is pointing to this domain/script_path/php-file
*
* @param string $url the url to check
* @return true if the url is pointing to this domain/script_path/php-file, false if not
*
* @access private
*/
function path_in_domain($url)
{
global $config, $phpEx, $user;
if ($config['force_server_vars'])
{
$check_path = !empty($config['script_path']) ? $config['script_path'] : '/';
}
else
{
$check_path = ($user->page['root_script_path'] != '/') ? substr($user->page['root_script_path'], 0, -1) : '/';
}
// Is the user trying to link to a php file in this domain and script path?
if (strpos($url, ".{$phpEx}") !== false && strpos($url, $check_path) !== false)
{
$server_name = $user->host;
// Forcing server vars is the only way to specify/override the protocol
if ($config['force_server_vars'] || !$server_name)
{
$server_name = $config['server_name'];
}
// Check again in correct order...
$pos_ext = strpos($url, ".{$phpEx}");
$pos_path = strpos($url, $check_path);
$pos_domain = strpos($url, $server_name);
if ($pos_domain !== false && $pos_path >= $pos_domain && $pos_ext >= $pos_path)
{
// Ok, actually we allow linking to some files (this may be able to be extended in some way later...)
if (strpos($url, '/' . $check_path . '/download/file.' . $phpEx) !== 0)
{
return false;
}
return true;
}
}
return false;
}
}
/**
* Main message parser for posting, pm, etc. takes raw message
* and parses it for attachments, bbcode and smilies
*/
class parse_message extends bbcode_firstpass
{
var $attachment_data = array();
var $filename_data = array();
// Helps ironing out user error
var $message_status = '';
var $allow_img_bbcode = true;
var $allow_flash_bbcode = true;
var $allow_quote_bbcode = true;
var $allow_url_bbcode = true;
/**
* The plupload object used for dealing with attachments
* @var \phpbb\plupload\plupload
*/
protected $plupload;
/**
* Init - give message here or manually
*/
function __construct($message = '')
{
// Init BBCode UID
$this->bbcode_uid = substr(base_convert(unique_id(), 16, 36), 0, BBCODE_UID_LEN);
$this->message = $message;
}
/**
* Parse Message
*/
function parse($allow_bbcode, $allow_magic_url, $allow_smilies, $allow_img_bbcode = true, $allow_flash_bbcode = true, $allow_quote_bbcode = true, $allow_url_bbcode = true, $update_this_message = true, $mode = 'post')
{
global $config, $user, $phpbb_dispatcher, $phpbb_container;
$this->mode = $mode;
foreach (array('chars', 'smilies', 'urls', 'font_size', 'img_height', 'img_width') as $key)
{
if (!isset($config['max_' . $mode . '_' . $key]))
{
$config['max_' . $mode . '_' . $key] = 0;
}
}
$this->allow_img_bbcode = $allow_img_bbcode;
$this->allow_flash_bbcode = $allow_flash_bbcode;
$this->allow_quote_bbcode = $allow_quote_bbcode;
$this->allow_url_bbcode = $allow_url_bbcode;
// If false, then $this->message won't be altered, the text will be returned instead.
if (!$update_this_message)
{
$tmp_message = $this->message;
$return_message = &$this->message;
}
if ($this->message_status == 'display')
{
$this->decode_message();
}
// Store message length...
$message_length = ($mode == 'post') ? utf8_strlen($this->message) : utf8_strlen(preg_replace('#\[\/?[a-z\*\+\-]+(=[\S]+)?\]#ius', ' ', $this->message));
// Maximum message length check. 0 disables this check completely.
if ((int) $config['max_' . $mode . '_chars'] > 0 && $message_length > (int) $config['max_' . $mode . '_chars'])
{
$this->warn_msg[] = $user->lang('CHARS_' . strtoupper($mode) . '_CONTAINS', $message_length) . '<br />' . $user->lang('TOO_MANY_CHARS_LIMIT', (int) $config['max_' . $mode . '_chars']);
return (!$update_this_message) ? $return_message : $this->warn_msg;
}
// Minimum message length check for post only
if ($mode === 'post')
{
if (!$message_length || $message_length < (int) $config['min_post_chars'])
{
$this->warn_msg[] = (!$message_length) ? $user->lang['TOO_FEW_CHARS'] : ($user->lang('CHARS_POST_CONTAINS', $message_length) . '<br />' . $user->lang('TOO_FEW_CHARS_LIMIT', (int) $config['min_post_chars']));
return (!$update_this_message) ? $return_message : $this->warn_msg;
}
}
/**
* This event can be used for additional message checks/cleanup before parsing
*
* @event core.message_parser_check_message
* @var bool allow_bbcode Do we allow BBCodes
* @var bool allow_magic_url Do we allow magic urls
* @var bool allow_smilies Do we allow smilies
* @var bool allow_img_bbcode Do we allow image BBCode
* @var bool allow_flash_bbcode Do we allow flash BBCode
* @var bool allow_quote_bbcode Do we allow quote BBCode
* @var bool allow_url_bbcode Do we allow url BBCode
* @var bool update_this_message Do we alter the parsed message
* @var string mode Posting mode
* @var string message The message text to parse
* @var string bbcode_bitfield The bbcode_bitfield before parsing
* @var string bbcode_uid The bbcode_uid before parsing
* @var bool return Do we return after the event is triggered if $warn_msg is not empty
* @var array warn_msg Array of the warning messages
* @since 3.1.2-RC1
* @changed 3.1.3-RC1 Added vars $bbcode_bitfield and $bbcode_uid
*/
$message = $this->message;
$warn_msg = $this->warn_msg;
$return = false;
$bbcode_bitfield = $this->bbcode_bitfield;
$bbcode_uid = $this->bbcode_uid;
$vars = array(
'allow_bbcode',
'allow_magic_url',
'allow_smilies',
'allow_img_bbcode',
'allow_flash_bbcode',
'allow_quote_bbcode',
'allow_url_bbcode',
'update_this_message',
'mode',
'message',
'bbcode_bitfield',
'bbcode_uid',
'return',
'warn_msg',
);
extract($phpbb_dispatcher->trigger_event('core.message_parser_check_message', compact($vars)));
$this->message = $message;
$this->warn_msg = $warn_msg;
$this->bbcode_bitfield = $bbcode_bitfield;
$this->bbcode_uid = $bbcode_uid;
if ($return && !empty($this->warn_msg))
{
return (!$update_this_message) ? $return_message : $this->warn_msg;
}
// Get the parser
$parser = $phpbb_container->get('text_formatter.parser');
// Set the parser's options
($allow_bbcode) ? $parser->enable_bbcodes() : $parser->disable_bbcodes();
($allow_magic_url) ? $parser->enable_magic_url() : $parser->disable_magic_url();
($allow_smilies) ? $parser->enable_smilies() : $parser->disable_smilies();
($allow_img_bbcode) ? $parser->enable_bbcode('img') : $parser->disable_bbcode('img');
($allow_flash_bbcode) ? $parser->enable_bbcode('flash') : $parser->disable_bbcode('flash');
($allow_quote_bbcode) ? $parser->enable_bbcode('quote') : $parser->disable_bbcode('quote');
($allow_url_bbcode) ? $parser->enable_bbcode('url') : $parser->disable_bbcode('url');
// Set some config values
$parser->set_vars(array(
'max_font_size' => $config['max_' . $this->mode . '_font_size'],
'max_img_height' => $config['max_' . $this->mode . '_img_height'],
'max_img_width' => $config['max_' . $this->mode . '_img_width'],
'max_smilies' => $config['max_' . $this->mode . '_smilies'],
'max_urls' => $config['max_' . $this->mode . '_urls']
));
// Parse this message
$this->message = $parser->parse(htmlspecialchars_decode($this->message, ENT_QUOTES));
// Remove quotes that are nested too deep
if ($config['max_quote_depth'] > 0)
{
$this->remove_nested_quotes($config['max_quote_depth']);
}
// Check for "empty" message. We do not check here for maximum length, because bbcode, smilies, etc. can add to the length.
// The maximum length check happened before any parsings.
if ($mode === 'post' && utf8_clean_string($this->message) === '')
{
$this->warn_msg[] = $user->lang['TOO_FEW_CHARS'];
return (!$update_this_message) ? $return_message : $this->warn_msg;
}
// Remove quotes that are nested too deep
if ($config['max_quote_depth'] > 0)
{
$this->message = $phpbb_container->get('text_formatter.utils')->remove_bbcode(
$this->message,
'quote',
$config['max_quote_depth']
);
}
// Check for errors
$errors = $parser->get_errors();
if ($errors)
{
foreach ($errors as $i => $args)
{
// Translate each error with $user->lang()
$errors[$i] = call_user_func_array(array($user, 'lang'), $args);
}
$this->warn_msg = array_merge($this->warn_msg, $errors);
return (!$update_this_message) ? $return_message : $this->warn_msg;
}
if (!$update_this_message)
{
unset($this->message);
$this->message = $tmp_message;
return $return_message;
}
$this->message_status = 'parsed';
return false;
}
/**
* Formatting text for display
*/
function format_display($allow_bbcode, $allow_magic_url, $allow_smilies, $update_this_message = true)
{
global $phpbb_container, $phpbb_dispatcher;
// If false, then the parsed message get returned but internal message not processed.
if (!$update_this_message)
{
$tmp_message = $this->message;
$return_message = &$this->message;
}
$text = $this->message;
$uid = $this->bbcode_uid;
/**
* Event to modify the text before it is parsed
*
* @event core.modify_format_display_text_before
* @var string text The message text to parse
* @var string uid The bbcode uid
* @var bool allow_bbcode Do we allow bbcodes
* @var bool allow_magic_url Do we allow magic urls
* @var bool allow_smilies Do we allow smilies
* @var bool update_this_message Do we update the internal message
* with the parsed result
* @since 3.1.6-RC1
*/
$vars = array('text', 'uid', 'allow_bbcode', 'allow_magic_url', 'allow_smilies', 'update_this_message');
extract($phpbb_dispatcher->trigger_event('core.modify_format_display_text_before', compact($vars)));
$this->message = $text;
$this->bbcode_uid = $uid;
unset($text, $uid);
// NOTE: message_status is unreliable for detecting unparsed text because some callers
// change $this->message without resetting $this->message_status to 'plain' so we
// inspect the message instead
//if ($this->message_status == 'plain')
if (!preg_match('/^<[rt][ >]/', $this->message))
{
// Force updating message - of course.
$this->parse($allow_bbcode, $allow_magic_url, $allow_smilies, $this->allow_img_bbcode, $this->allow_flash_bbcode, $this->allow_quote_bbcode, $this->allow_url_bbcode, true);
}
// There's a bug when previewing a topic with no poll, because the empty title of the poll
// gets parsed but $this->message still ends up empty. This fixes it, until a proper fix is
// devised
if ($this->message === '')
{
$this->message = $phpbb_container->get('text_formatter.parser')->parse($this->message);
}
$this->message = $phpbb_container->get('text_formatter.renderer')->render($this->message);
$text = $this->message;
$uid = $this->bbcode_uid;
/**
* Event to modify the text after it is parsed
*
* @event core.modify_format_display_text_after
* @var string text The message text to parse
* @var string uid The bbcode uid
* @var bool allow_bbcode Do we allow bbcodes
* @var bool allow_magic_url Do we allow magic urls
* @var bool allow_smilies Do we allow smilies
* @var bool update_this_message Do we update the internal message
* with the parsed result
* @since 3.1.0-a3
*/
$vars = array('text', 'uid', 'allow_bbcode', 'allow_magic_url', 'allow_smilies', 'update_this_message');
extract($phpbb_dispatcher->trigger_event('core.modify_format_display_text_after', compact($vars)));
$this->message = $text;
$this->bbcode_uid = $uid;
if (!$update_this_message)
{
unset($this->message);
$this->message = $tmp_message;
return $return_message;
}
$this->message_status = 'display';
return false;
}
/**
* Decode message to be placed back into form box
*/
function decode_message($custom_bbcode_uid = '', $update_this_message = true)
{
// If false, then the parsed message get returned but internal message not processed.
if (!$update_this_message)
{
$tmp_message = $this->message;
$return_message = &$this->message;
}
($custom_bbcode_uid) ? decode_message($this->message, $custom_bbcode_uid) : decode_message($this->message, $this->bbcode_uid);
if (!$update_this_message)
{
unset($this->message);
$this->message = $tmp_message;
return $return_message;
}
$this->message_status = 'plain';
return false;
}
/**
* Replace magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx.
* Cuts down displayed size of link if over 50 chars, turns absolute links
* into relative versions when the server/script path matches the link
*/
function magic_url($server_url)
{
// We use the global make_clickable function
$this->message = make_clickable($this->message, $server_url);
}
/**
* Parse Smilies
*/
function smilies($max_smilies = 0)
{
global $db, $user;
static $match;
static $replace;
// See if the static arrays have already been filled on an earlier invocation
if (!is_array($match))
{
$match = $replace = array();
// NOTE: obtain_* function? chaching the table contents?
// For now setting the ttl to 10 minutes
switch ($db->get_sql_layer())
{
case 'mssql_odbc':
case 'mssqlnative':
$sql = 'SELECT *
FROM ' . SMILIES_TABLE . '
ORDER BY LEN(code) DESC';
break;
// LENGTH supported by MySQL, IBM DB2, Oracle and Access for sure...
default:
$sql = 'SELECT *
FROM ' . SMILIES_TABLE . '
ORDER BY LENGTH(code) DESC';
break;
}
$result = $db->sql_query($sql, 600);
while ($row = $db->sql_fetchrow($result))
{
if (empty($row['code']))
{
continue;
}
// (assertion)
$match[] = preg_quote($row['code'], '#');
$replace[] = '<!-- s' . $row['code'] . ' --><img src="{SMILIES_PATH}/' . $row['smiley_url'] . '" alt="' . $row['code'] . '" title="' . $row['emotion'] . '" /><!-- s' . $row['code'] . ' -->';
}
$db->sql_freeresult($result);
}
if (count($match))
{
if ($max_smilies)
{
// 'u' modifier has been added to correctly parse smilies within unicode strings
// For details: http://tracker.phpbb.com/browse/PHPBB3-10117
$num_matches = preg_match_all('#(?<=^|[\n .])(?:' . implode('|', $match) . ')(?![^<>]*>)#u', $this->message, $matches);
unset($matches);
if ($num_matches !== false && $num_matches > $max_smilies)
{
$this->warn_msg[] = sprintf($user->lang['TOO_MANY_SMILIES'], $max_smilies);
return;
}
}
// Make sure the delimiter # is added in front and at the end of every element within $match
// 'u' modifier has been added to correctly parse smilies within unicode strings
// For details: http://tracker.phpbb.com/browse/PHPBB3-10117
$this->message = trim(preg_replace(explode(chr(0), '#(?<=^|[\n .])' . implode('(?![^<>]*>)#u' . chr(0) . '#(?<=^|[\n .])', $match) . '(?![^<>]*>)#u'), $replace, $this->message));
}
}
/**
* Check attachment form token depending on submit type
*
* @param \phpbb\language\language $language Language
* @param \phpbb\request\request_interface $request Request
* @param string $form_name Form name for checking form key
*
* @return bool True if form token is not needed or valid, false if needed and invalid
*/
function check_attachment_form_token(\phpbb\language\language $language, \phpbb\request\request_interface $request, $form_name)
{
$add_file = $request->is_set_post('add_file');
$delete_file = $request->is_set_post('delete_file');
if (($add_file || $delete_file) && !check_form_key($form_name))
{
$this->warn_msg[] = $language->lang('FORM_INVALID');
if ($request->is_ajax() && $this->plupload)
{
$this->plupload->emit_error(-400, 'FORM_INVALID');
}
return false;
}
return true;
}
/**
* Parse Attachments
*/
function parse_attachments($form_name, $mode, $forum_id, $submit, $preview, $refresh, $is_message = false)
{
global $config, $auth, $user, $phpbb_root_path, $phpEx, $db, $request;
global $phpbb_container, $phpbb_dispatcher;
$error = array();
$num_attachments = count($this->attachment_data);
$this->filename_data['filecomment'] = $request->variable('filecomment', '', true);
$upload = $request->file($form_name);
$upload_file = (!empty($upload) && $upload['name'] !== 'none' && trim($upload['name']));
$add_file = (isset($_POST['add_file'])) ? true : false;
$delete_file = (isset($_POST['delete_file'])) ? true : false;
// First of all adjust comments if changed
$actual_comment_list = $request->variable('comment_list', array(''), true);
foreach ($actual_comment_list as $comment_key => $comment)
{
if (!isset($this->attachment_data[$comment_key]))
{
continue;
}
if ($this->attachment_data[$comment_key]['attach_comment'] != $actual_comment_list[$comment_key])
{
$this->attachment_data[$comment_key]['attach_comment'] = $actual_comment_list[$comment_key];
}
}
$cfg = array();
$cfg['max_attachments'] = ($is_message) ? $config['max_attachments_pm'] : $config['max_attachments'];
$forum_id = ($is_message) ? 0 : $forum_id;
if ($submit && in_array($mode, array('post', 'reply', 'quote', 'edit')) && $upload_file)
{
if ($num_attachments < $cfg['max_attachments'] || $auth->acl_get('a_') || $auth->acl_get('m_', $forum_id))
{
/** @var \phpbb\attachment\manager $attachment_manager */
$attachment_manager = $phpbb_container->get('attachment.manager');
$filedata = $attachment_manager->upload($form_name, $forum_id, false, '', $is_message);
$error = $filedata['error'];
if ($filedata['post_attach'] && !count($error))
{
$sql_ary = array(
'physical_filename' => $filedata['physical_filename'],
'attach_comment' => $this->filename_data['filecomment'],
'real_filename' => $filedata['real_filename'],
'extension' => $filedata['extension'],
'mimetype' => $filedata['mimetype'],
'filesize' => $filedata['filesize'],
'filetime' => $filedata['filetime'],
'thumbnail' => $filedata['thumbnail'],
'is_orphan' => 1,
'in_message' => ($is_message) ? 1 : 0,
'poster_id' => $user->data['user_id'],
);
/**
* Modify attachment sql array on submit
*
* @event core.modify_attachment_sql_ary_on_submit
* @var array sql_ary Array containing SQL data
* @since 3.2.6-RC1
*/
$vars = array('sql_ary');
extract($phpbb_dispatcher->trigger_event('core.modify_attachment_sql_ary_on_submit', compact($vars)));
$db->sql_query('INSERT INTO ' . ATTACHMENTS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
$new_entry = array(
'attach_id' => $db->sql_nextid(),
'is_orphan' => 1,
'real_filename' => $filedata['real_filename'],
'attach_comment'=> $this->filename_data['filecomment'],
'filesize' => $filedata['filesize'],
);
$this->attachment_data = array_merge(array(0 => $new_entry), $this->attachment_data);
/**
* Modify attachment data on submit
*
* @event core.modify_attachment_data_on_submit
* @var array attachment_data Array containing attachment data
* @since 3.2.2-RC1
*/
$attachment_data = $this->attachment_data;
$vars = array('attachment_data');
extract($phpbb_dispatcher->trigger_event('core.modify_attachment_data_on_submit', compact($vars)));
$this->attachment_data = $attachment_data;
unset($attachment_data);
$this->message = preg_replace_callback('#\[attachment=([0-9]+)\](.*?)\[\/attachment\]#', function ($match) {
return '[attachment='.($match[1] + 1).']' . $match[2] . '[/attachment]';
}, $this->message);
$this->filename_data['filecomment'] = '';
// This Variable is set to false here, because Attachments are entered into the
// Database in two modes, one if the id_list is 0 and the second one if post_attach is true
// Since post_attach is automatically switched to true if an Attachment got added to the filesystem,
// but we are assigning an id of 0 here, we have to reset the post_attach variable to false.
//
// This is very relevant, because it could happen that the post got not submitted, but we do not
// know this circumstance here. We could be at the posting page or we could be redirected to the entered
// post. :)
$filedata['post_attach'] = false;
}
}
else
{
$error[] = $user->lang('TOO_MANY_ATTACHMENTS', (int) $cfg['max_attachments']);
}
}
if ($preview || $refresh || count($error))
{
if (isset($this->plupload) && $this->plupload->is_active())
{
$json_response = new \phpbb\json_response();
}
// Perform actions on temporary attachments
if ($delete_file)
{
include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
$index = array_keys($request->variable('delete_file', array(0 => 0)));
$index = (!empty($index)) ? $index[0] : false;
if ($index !== false && !empty($this->attachment_data[$index]))
{
/** @var \phpbb\attachment\manager $attachment_manager */
$attachment_manager = $phpbb_container->get('attachment.manager');
// delete selected attachment
if ($this->attachment_data[$index]['is_orphan'])
{
$sql = 'SELECT attach_id, physical_filename, thumbnail
FROM ' . ATTACHMENTS_TABLE . '
WHERE attach_id = ' . (int) $this->attachment_data[$index]['attach_id'] . '
AND is_orphan = 1
AND poster_id = ' . $user->data['user_id'];
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
if ($row)
{
$attachment_manager->unlink($row['physical_filename'], 'file');
if ($row['thumbnail'])
{
$attachment_manager->unlink($row['physical_filename'], 'thumbnail');
}
$db->sql_query('DELETE FROM ' . ATTACHMENTS_TABLE . ' WHERE attach_id = ' . (int) $this->attachment_data[$index]['attach_id']);
}
}
else
{
$attachment_manager->delete('attach', $this->attachment_data[$index]['attach_id']);
}
unset($this->attachment_data[$index]);
$this->message = preg_replace_callback('#\[attachment=([0-9]+)\](.*?)\[\/attachment\]#', function ($match) use($index) {
return ($match[1] == $index) ? '' : (($match[1] > $index) ? '[attachment=' . ($match[1] - 1) . ']' . $match[2] . '[/attachment]' : $match[0]);
}, $this->message);
// Reindex Array
$this->attachment_data = array_values($this->attachment_data);
if (isset($this->plupload) && $this->plupload->is_active())
{
$json_response->send($this->attachment_data);
}
}
}
else if (($add_file || $preview) && $upload_file)
{
if ($num_attachments < $cfg['max_attachments'] || $auth->acl_gets('m_', 'a_', $forum_id))
{
/** @var \phpbb\attachment\manager $attachment_manager */
$attachment_manager = $phpbb_container->get('attachment.manager');
$filedata = $attachment_manager->upload($form_name, $forum_id, false, '', $is_message);
$error = array_merge($error, $filedata['error']);
if (!count($error))
{
$sql_ary = array(
'physical_filename' => $filedata['physical_filename'],
'attach_comment' => $this->filename_data['filecomment'],
'real_filename' => $filedata['real_filename'],
'extension' => $filedata['extension'],
'mimetype' => $filedata['mimetype'],
'filesize' => $filedata['filesize'],
'filetime' => $filedata['filetime'],
'thumbnail' => $filedata['thumbnail'],
'is_orphan' => 1,
'in_message' => ($is_message) ? 1 : 0,
'poster_id' => $user->data['user_id'],
);
/**
* Modify attachment sql array on upload
*
* @event core.modify_attachment_sql_ary_on_upload
* @var array sql_ary Array containing SQL data
* @since 3.2.6-RC1
*/
$vars = array('sql_ary');
extract($phpbb_dispatcher->trigger_event('core.modify_attachment_sql_ary_on_upload', compact($vars)));
$db->sql_query('INSERT INTO ' . ATTACHMENTS_TABLE . ' ' . $db->sql_build_array('INSERT', $sql_ary));
$new_entry = array(
'attach_id' => $db->sql_nextid(),
'is_orphan' => 1,
'real_filename' => $filedata['real_filename'],
'attach_comment'=> $this->filename_data['filecomment'],
'filesize' => $filedata['filesize'],
);
$this->attachment_data = array_merge(array(0 => $new_entry), $this->attachment_data);
/**
* Modify attachment data on upload
*
* @event core.modify_attachment_data_on_upload
* @var array attachment_data Array containing attachment data
* @since 3.2.2-RC1
*/
$attachment_data = $this->attachment_data;
$vars = array('attachment_data');
extract($phpbb_dispatcher->trigger_event('core.modify_attachment_data_on_upload', compact($vars)));
$this->attachment_data = $attachment_data;
unset($attachment_data);
$this->message = preg_replace_callback('#\[attachment=([0-9]+)\](.*?)\[\/attachment\]#', function ($match) {
return '[attachment=' . ($match[1] + 1) . ']' . $match[2] . '[/attachment]';
}, $this->message);
$this->filename_data['filecomment'] = '';
if (isset($this->plupload) && $this->plupload->is_active())
{
$download_url = append_sid("{$phpbb_root_path}download/file.{$phpEx}", 'mode=view&id=' . $new_entry['attach_id']);
// Send the client the attachment data to maintain state
$json_response->send(array('data' => $this->attachment_data, 'download_url' => $download_url));
}
}
}
else
{
$error[] = $user->lang('TOO_MANY_ATTACHMENTS', (int) $cfg['max_attachments']);
}
if (!empty($error) && isset($this->plupload) && $this->plupload->is_active())
{
// If this is a plupload (and thus ajax) request, give the
// client the first error we have
$json_response->send(array(
'jsonrpc' => '2.0',
'id' => 'id',
'error' => array(
'code' => 105,
'message' => current($error),
),
));
}
}
}
foreach ($error as $error_msg)
{
$this->warn_msg[] = $error_msg;
}
}
/**
* Get Attachment Data
*/
function get_submitted_attachment_data($check_user_id = false)
{
global $user, $db;
global $request;
$this->filename_data['filecomment'] = $request->variable('filecomment', '', true);
$attachment_data = $request->variable('attachment_data', array(0 => array('' => '')), true, \phpbb\request\request_interface::POST);
$this->attachment_data = array();
$check_user_id = ($check_user_id === false) ? $user->data['user_id'] : $check_user_id;
if (!count($attachment_data))
{
return;
}
$not_orphan = $orphan = array();
foreach ($attachment_data as $pos => $var_ary)
{
if ($var_ary['is_orphan'])
{
$orphan[(int) $var_ary['attach_id']] = $pos;
}
else
{
$not_orphan[(int) $var_ary['attach_id']] = $pos;
}
}
// Regenerate already posted attachments
if (count($not_orphan))
{
// Get the attachment data, based on the poster id...
$sql = 'SELECT attach_id, is_orphan, real_filename, attach_comment, filesize
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('attach_id', array_keys($not_orphan)) . '
AND poster_id = ' . $check_user_id;
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$pos = $not_orphan[$row['attach_id']];
$this->attachment_data[$pos] = $row;
$this->attachment_data[$pos]['attach_comment'] = $attachment_data[$pos]['attach_comment'];
unset($not_orphan[$row['attach_id']]);
}
$db->sql_freeresult($result);
}
if (count($not_orphan))
{
trigger_error('NO_ACCESS_ATTACHMENT', E_USER_ERROR);
}
// Regenerate newly uploaded attachments
if (count($orphan))
{
$sql = 'SELECT attach_id, is_orphan, real_filename, attach_comment, filesize
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('attach_id', array_keys($orphan)) . '
AND poster_id = ' . $user->data['user_id'] . '
AND is_orphan = 1';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$pos = $orphan[$row['attach_id']];
$this->attachment_data[$pos] = $row;
$this->attachment_data[$pos]['attach_comment'] = $attachment_data[$pos]['attach_comment'];
unset($orphan[$row['attach_id']]);
}
$db->sql_freeresult($result);
}
if (count($orphan))
{
trigger_error('NO_ACCESS_ATTACHMENT', E_USER_ERROR);
}
ksort($this->attachment_data);
}
/**
* Parse Poll
*/
function parse_poll(&$poll)
{
global $user, $config;
$poll_max_options = $poll['poll_max_options'];
// Parse Poll Option text
$tmp_message = $this->message;
$poll['poll_options'] = preg_split('/\s*?\n\s*/', trim($poll['poll_option_text']));
$poll['poll_options_size'] = count($poll['poll_options']);
foreach ($poll['poll_options'] as &$poll_option)
{
$this->message = $poll_option;
$poll_option = $this->parse($poll['enable_bbcode'], ($config['allow_post_links']) ? $poll['enable_urls'] : false, $poll['enable_smilies'], $poll['img_status'], false, false, $config['allow_post_links'], false, 'poll');
}
unset($poll_option);
$poll['poll_option_text'] = implode("\n", $poll['poll_options']);
// Parse Poll Title
$this->message = $poll['poll_title'];
if (!$poll['poll_title'] && $poll['poll_options_size'])
{
$this->warn_msg[] = $user->lang['NO_POLL_TITLE'];
}
else
{
if (utf8_strlen(preg_replace('#\[\/?[a-z\*\+\-]+(=[\S]+)?\]#ius', ' ', $this->message)) > 100)
{
$this->warn_msg[] = $user->lang['POLL_TITLE_TOO_LONG'];
}
$poll['poll_title'] = $this->parse($poll['enable_bbcode'], ($config['allow_post_links']) ? $poll['enable_urls'] : false, $poll['enable_smilies'], $poll['img_status'], false, false, $config['allow_post_links'], false, 'poll');
if (strlen($poll['poll_title']) > 255)
{
$this->warn_msg[] = $user->lang['POLL_TITLE_COMP_TOO_LONG'];
}
}
if (count($poll['poll_options']) == 1)
{
$this->warn_msg[] = $user->lang['TOO_FEW_POLL_OPTIONS'];
}
else if ($poll['poll_options_size'] > (int) $config['max_poll_options'])
{
$this->warn_msg[] = $user->lang['TOO_MANY_POLL_OPTIONS'];
}
else if ($poll_max_options > $poll['poll_options_size'])
{
$this->warn_msg[] = $user->lang['TOO_MANY_USER_OPTIONS'];
}
$poll['poll_max_options'] = ($poll['poll_max_options'] < 1) ? 1 : (($poll['poll_max_options'] > $config['max_poll_options']) ? $config['max_poll_options'] : $poll['poll_max_options']);
$this->message = $tmp_message;
}
/**
* Remove nested quotes at given depth in current parsed message
*
* @param integer $max_depth Depth limit
* @return null
*/
public function remove_nested_quotes($max_depth)
{
global $phpbb_container;
if (preg_match('#^<[rt][ >]#', $this->message))
{
$this->message = $phpbb_container->get('text_formatter.utils')->remove_bbcode(
$this->message,
'quote',
$max_depth
);
return;
}
// Capture all [quote] and [/quote] tags
preg_match_all('(\\[/?quote(?:="(.*?)")?:' . $this->bbcode_uid . '\\])', $this->message, $matches, PREG_OFFSET_CAPTURE);
// Iterate over the quote tags to mark the ranges that must be removed
$depth = 0;
$ranges = array();
$start_pos = 0;
foreach ($matches[0] as $match)
{
if ($match[0][1] === '/')
{
--$depth;
if ($depth == $max_depth)
{
$end_pos = $match[1] + strlen($match[0]);
$length = $end_pos - $start_pos;
$ranges[] = array($start_pos, $length);
}
}
else
{
++$depth;
if ($depth == $max_depth + 1)
{
$start_pos = $match[1];
}
}
}
foreach (array_reverse($ranges) as $range)
{
list($start_pos, $length) = $range;
$this->message = substr_replace($this->message, '', $start_pos, $length);
}
}
/**
* Setter function for passing the plupload object
*
* @param \phpbb\plupload\plupload $plupload The plupload object
*
* @return null
*/
public function set_plupload(\phpbb\plupload\plupload $plupload)
{
$this->plupload = $plupload;
}
/**
* Function to perform custom bbcode validation by extensions
* can be used in bbcode_init() to assign regexp replacement
* Example: 'regexp' => array('#\[b\](.*?)\[/b\]#uise' => "\$this->validate_bbcode_by_extension('\$1')")
*
* Accepts variable number of parameters
*
* @return mixed Validation result
*/
public function validate_bbcode_by_extension()
{
global $phpbb_dispatcher;
$return = false;
$params_array = func_get_args();
/**
* Event to validate bbcode with the custom validating methods
* provided by extensions
*
* @event core.validate_bbcode_by_extension
* @var array params_array Array with the function parameters
* @var mixed return Validation result to return
*
* @since 3.1.5-RC1
*/
$vars = array('params_array', 'return');
extract($phpbb_dispatcher->trigger_event('core.validate_bbcode_by_extension', compact($vars)));
return $return;
}
}