diff options
Diffstat (limited to 'phpBB/includes/message_parser.php')
-rw-r--r-- | phpBB/includes/message_parser.php | 208 |
1 files changed, 118 insertions, 90 deletions
diff --git a/phpBB/includes/message_parser.php b/phpBB/includes/message_parser.php index ccb953adbe..cbd2282e96 100644 --- a/phpBB/includes/message_parser.php +++ b/phpBB/includes/message_parser.php @@ -21,6 +21,19 @@ if (!defined('IN_PHPBB')) 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); } @@ -115,6 +128,9 @@ class bbcode_firstpass extends bbcode // [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' => 8, 'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#uise' => "\$this->bbcode_code('\$1', '\$2')")), 'quote' => array('bbcode_id' => 0, 'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#uise' => "\$this->bbcode_quote('\$0')")), @@ -326,22 +342,23 @@ class bbcode_firstpass extends bbcode if ($config['max_' . $this->mode . '_img_height'] || $config['max_' . $this->mode . '_img_width']) { - $stats = @getimagesize(htmlspecialchars_decode($in)); + $imagesize = new \fastImageSize\fastImageSize(); + $size_info = $imagesize->getImageSize(htmlspecialchars_decode($in)); - if ($stats === false) + if ($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'] < $stats[1]) + if ($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'] < $stats[0]) + if ($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_' . $this->mode . '_img_width']); @@ -1103,7 +1120,7 @@ class parse_message extends bbcode_firstpass */ function parse($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, $db, $user, $phpbb_dispatcher; + global $config, $db, $user, $phpbb_dispatcher, $phpbb_container; $this->mode = $mode; @@ -1132,12 +1149,6 @@ class parse_message extends bbcode_firstpass $this->decode_message(); } - // Do some general 'cleanup' first before processing message, - // e.g. remove excessive newlines(?), smilies(?) - $match = array('#(script|about|applet|activex|chrome):#i'); - $replace = array("\\1:"); - $this->message = preg_replace($match, $replace, trim($this->message)); - // Store message length... $message_length = ($mode == 'post') ? utf8_strlen($this->message) : utf8_strlen(preg_replace('#\[\/?[a-z\*\+\-]+(=[\S]+)?\]#ius', ' ', $this->message)); @@ -1210,56 +1221,29 @@ class parse_message extends bbcode_firstpass return (!$update_this_message) ? $return_message : $this->warn_msg; } - // Prepare BBcode (just prepares some tags for better parsing) - if ($allow_bbcode && strpos($this->message, '[') !== false) - { - $this->bbcode_init(); - $disallow = array('img', 'flash', 'quote', 'url'); - foreach ($disallow as $bool) - { - if (!${'allow_' . $bool . '_bbcode'}) - { - $this->bbcodes[$bool]['disabled'] = true; - } - } + // Get the parser + $parser = $phpbb_container->get('text_formatter.parser'); - $this->prepare_bbcodes(); - } + // Set the parser's options + ($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') : $parser->disable_bbcode('url'); - // Parse smilies - if ($allow_smilies) - { - $this->smilies($config['max_' . $mode . '_smilies']); - } + // 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'] + )); - $num_urls = 0; - - // Parse BBCode - if ($allow_bbcode && strpos($this->message, '[') !== false) - { - $this->parse_bbcode(); - $num_urls += $this->parsed_items['url']; - } - - // Parse URL's - if ($allow_magic_url) - { - $this->magic_url(generate_board_url()); - - if ($config['max_' . $mode . '_urls']) - { - $num_urls += preg_match_all('#\<!-- ([lmwe]) --\>.*?\<!-- \1 --\>#', $this->message, $matches); - } - } - - // Check for out-of-bounds characters that are currently - // not supported by utf8_bin in MySQL - if (preg_match_all('/[\x{10000}-\x{10FFFF}]/u', $this->message, $matches)) - { - $character_list = implode('<br />', $matches[0]); - $this->warn_msg[] = $user->lang('UNSUPPORTED_CHARACTERS_MESSAGE', $character_list); - return $update_this_message ? $this->warn_msg : $return_message; - } + // Parse this message + $this->message = $parser->parse(htmlspecialchars_decode($this->message, ENT_QUOTES)); // 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. @@ -1269,10 +1253,27 @@ class parse_message extends bbcode_firstpass return (!$update_this_message) ? $return_message : $this->warn_msg; } - // Check number of links - if ($config['max_' . $mode . '_urls'] && $num_urls > $config['max_' . $mode . '_urls']) + // Remove quotes that are nested too deep + if ($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) { - $this->warn_msg[] = sprintf($user->lang['TOO_MANY_URLS'], $config['max_' . $mode . '_urls']); + foreach ($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 : $this->warn_msg; } @@ -1292,7 +1293,7 @@ class parse_message extends bbcode_firstpass */ function format_display($allow_bbcode, $allow_magic_url, $allow_smilies, $update_this_message = true) { - global $phpbb_dispatcher; + global $phpbb_container, $phpbb_dispatcher; // If false, then the parsed message get returned but internal message not processed. if (!$update_this_message) @@ -1301,26 +1302,25 @@ class parse_message extends bbcode_firstpass $return_message = &$this->message; } - if ($this->message_status == 'plain') + // 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); } - // Replace naughty words such as farty pants - $this->message = censor_text($this->message); - - // Parse BBcode - if ($allow_bbcode) + // 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->bbcode_cache_init(); - - // We are giving those parameters to be able to use the bbcode class on its own - $this->bbcode_second_pass($this->message, $this->bbcode_uid); + $this->message = $phpbb_container->get('text_formatter.parser')->parse($this->message); } - $this->message = bbcode_nl2br($this->message); - $this->message = smiley_text($this->message, !$allow_smilies); + $this->message = $phpbb_container->get('text_formatter.renderer')->render($this->message); $text = $this->message; $uid = $this->bbcode_uid; @@ -1784,24 +1784,22 @@ class parse_message extends bbcode_firstpass $poll_max_options = $poll['poll_max_options']; - // Parse Poll Option text ;) + // Parse Poll Option text $tmp_message = $this->message; - $this->message = $poll['poll_option_text']; - $bbcode_bitfield = $this->bbcode_bitfield; - $poll['poll_option_text'] = $this->parse($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'); + $poll['poll_options'] = explode("\n", trim($poll['poll_option_text'])); + $poll['poll_options_size'] = sizeof($poll['poll_options']); - $bbcode_bitfield = base64_encode(base64_decode($bbcode_bitfield) | base64_decode($this->bbcode_bitfield)); - $this->message = $tmp_message; + foreach ($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 - $tmp_message = $this->message; $this->message = $poll['poll_title']; - $this->bbcode_bitfield = $bbcode_bitfield; - - $poll['poll_options'] = explode("\n", trim($poll['poll_option_text'])); - $poll['poll_options_size'] = sizeof($poll['poll_options']); - if (!$poll['poll_title'] && $poll['poll_options_size']) { $this->warn_msg[] = $user->lang['NO_POLL_TITLE']; @@ -1819,10 +1817,6 @@ class parse_message extends bbcode_firstpass } } - $this->bbcode_bitfield = base64_encode(base64_decode($bbcode_bitfield) | base64_decode($this->bbcode_bitfield)); - $this->message = $tmp_message; - unset($tmp_message); - if (sizeof($poll['poll_options']) == 1) { $this->warn_msg[] = $user->lang['TOO_FEW_POLL_OPTIONS']; @@ -1837,6 +1831,8 @@ class parse_message extends bbcode_firstpass } $poll['poll_max_options'] = ($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; } /** @@ -1862,4 +1858,36 @@ class parse_message extends bbcode_firstpass { $this->mimetype_guesser = $mimetype_guesser; } + + /** + * 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; + } } |