Files
auth-site/html/forums/inc/class_parser.php
T
2018-04-29 02:36:24 -07:00

1729 lines
45 KiB
PHP

<?php
/**
* MyBB 1.8
* Copyright 2014 MyBB Group, All Rights Reserved
*
* Website: http://www.mybb.com
* License: http://www.mybb.com/about/license
*
*/
/*
options = array(
allow_html
allow_smilies
allow_mycode
nl2br
filter_badwords
me_username
shorten_urls
highlight
filter_cdata
)
*/
class postParser
{
/**
* Internal cache of MyCode.
*
* @access public
* @var mixed
*/
public $mycode_cache = 0;
/**
* Internal cache of smilies
*
* @access public
* @var mixed
*/
public $smilies_cache = 0;
/**
* Internal cache of badwords filters
*
* @access public
* @var mixed
*/
public $badwords_cache = 0;
/**
* Base URL for smilies
*
* @access public
* @var string
*/
public $base_url;
/**
* Parsed Highlights cache
*
* @access public
* @var array
*/
public $highlight_cache = array();
/**
* Options for this parsed message
*
* @access public
* @var array
*/
public $options;
/**
* Internal cache for nested lists
*
* @access public
* @var array
*/
public $list_elements;
/**
* Internal counter for nested lists
*
* @access public
* @var int
*/
public $list_count;
/**
* Whether or not should a <br /> with clear: both be added at the end of the parsed message
*
* @access public
* @var boolean
*/
public $clear_needed = false;
/**
* Parses a message with the specified options.
*
* @param string $message The message to be parsed.
* @param array $options Array of yes/no options - allow_html,filter_badwords,allow_mycode,allow_smilies,nl2br,me_username,filter_cdata.
* @return string The parsed message.
*/
function parse_message($message, $options=array())
{
global $plugins, $mybb;
$this->clear_needed = false;
// Set base URL for parsing smilies
$this->base_url = $mybb->settings['bburl'];
if($this->base_url != "")
{
if(my_substr($this->base_url, my_strlen($this->base_url) -1) != "/")
{
$this->base_url = $this->base_url."/";
}
}
// Set the options
$this->options = $options;
$message = $plugins->run_hooks("parse_message_start", $message);
// Get rid of carriage returns for they are the workings of the devil
$message = str_replace("\r", "", $message);
// Filter bad words if requested.
if(!empty($this->options['filter_badwords']))
{
$message = $this->parse_badwords($message);
}
// Filter CDATA tags if requested (syndication.php).
if(!empty($this->options['filter_cdata']))
{
$message = $this->parse_cdata($message);
}
// If MyCode needs to be replaced, first filter out [code] and [php] tags.
if(!empty($this->options['allow_mycode']) && $mybb->settings['allowcodemycode'] == 1)
{
// This code is reserved and could break codes
$message = str_replace("<mybb-code>\n", "<mybb_code>\n", $message);
preg_match_all("#\[(code|php)\](.*?)\[/\\1\](\r\n?|\n?)#si", $message, $code_matches, PREG_SET_ORDER);
$message = preg_replace("#\[(code|php)\](.*?)\[/\\1\](\r\n?|\n?)#si", "<mybb-code>\n", $message);
}
if(empty($this->options['allow_html']))
{
$message = $this->parse_html($message);
$message = str_replace("&lt;mybb-code&gt;\n", "<mybb-code>\n", $message);
}
else
{
// Replace base, meta,script and style tags in our post - these are > dangerous <
$message = preg_replace('#<(/?)(base|meta|script|style)([^>]*)>#i', '&lt;$1$2$3&gt;', $message);
$message = $this->fix_javascript($message);
$find = array("<br />\n", "<br>\n");
$replace = array("\n", "\n");
$message = str_replace($find, $replace, $message);
}
// Replace "me" code and slaps if we have a username
if(!empty($this->options['me_username']) && $mybb->settings['allowmemycode'] == 1)
{
global $lang;
$message = preg_replace('#(>|^|\r|\n)/me ([^\r\n<]*)#i', "\\1<span style=\"color: red;\" class=\"mycode_me\">* {$this->options['me_username']} \\2</span>", $message);
$message = preg_replace('#(>|^|\r|\n)/slap ([^\r\n<]*)#i', "\\1<span style=\"color: red;\" class=\"mycode_slap\">* {$this->options['me_username']} {$lang->slaps} \\2 {$lang->with_trout}</span>", $message);
}
// If we can, parse smilies
if(!empty($this->options['allow_smilies']))
{
$message = $this->parse_smilies($message, $this->options['allow_html']);
}
// Replace MyCode if requested.
if(!empty($this->options['allow_mycode']))
{
$message = $this->parse_mycode($message);
}
// Parse Highlights
if(!empty($this->options['highlight']))
{
$message = $this->highlight_message($message, $this->options['highlight']);
}
// Run plugin hooks
$message = $plugins->run_hooks("parse_message", $message);
if(!empty($this->options['allow_mycode']))
{
// Now that we're done, if we split up any code tags, parse them and glue it all back together
if(count($code_matches) > 0)
{
foreach($code_matches as $text)
{
if(my_strtolower($text[1]) == "code")
{
// Fix up HTML inside the code tags so it is clean
$text[2] = $this->parse_html($text[2]);
$code = $this->mycode_parse_code($text[2]);
}
elseif(my_strtolower($text[1]) == "php")
{
$code = $this->mycode_parse_php($text[2]);
}
$message = preg_replace("#\<mybb-code>\n?#", $code, $message, 1);
}
}
}
if(!isset($this->options['nl2br']) || $this->options['nl2br'] != 0)
{
$message = nl2br($message);
// Fix up new lines and block level elements
$message = preg_replace("#(</?(?:html|head|body|div|p|form|table|thead|tbody|tfoot|tr|td|th|ul|ol|li|div|p|blockquote|cite|hr)[^>]*>)\s*<br />#i", "$1", $message);
$message = preg_replace("#(&nbsp;)+(</?(?:html|head|body|div|p|form|table|thead|tbody|tfoot|tr|td|th|ul|ol|li|div|p|blockquote|cite|hr)[^>]*>)#i", "$2", $message);
}
if($this->clear_needed)
{
$message .= '<br class="clear" />';
}
$message = $plugins->run_hooks("parse_message_end", $message);
return $message;
}
/**
* Converts HTML in a message to their specific entities whilst allowing unicode characters.
*
* @param string $message The message to be parsed.
* @return string The formatted message.
*/
function parse_html($message)
{
$message = preg_replace("#&(?!\#[0-9]+;)#si", "&amp;", $message); // fix & but allow unicode
$message = str_replace("<","&lt;",$message);
$message = str_replace(">","&gt;",$message);
return $message;
}
/**
* Generates a cache of MyCode, both standard and custom.
*
* @access private
*/
function cache_mycode()
{
global $cache, $lang, $mybb;
$this->mycode_cache = array();
$standard_mycode = $callback_mycode = $nestable_mycode = array();
$standard_count = $callback_count = $nestable_count = 0;
if($mybb->settings['allowbasicmycode'] == 1)
{
$standard_mycode['b']['regex'] = "#\[b\](.*?)\[/b\]#si";
$standard_mycode['b']['replacement'] = "<span style=\"font-weight: bold;\" class=\"mycode_b\">$1</span>";
$standard_mycode['u']['regex'] = "#\[u\](.*?)\[/u\]#si";
$standard_mycode['u']['replacement'] = "<span style=\"text-decoration: underline;\" class=\"mycode_u\">$1</span>";
$standard_mycode['i']['regex'] = "#\[i\](.*?)\[/i\]#si";
$standard_mycode['i']['replacement'] = "<span style=\"font-style: italic;\" class=\"mycode_i\">$1</span>";
$standard_mycode['s']['regex'] = "#\[s\](.*?)\[/s\]#si";
$standard_mycode['s']['replacement'] = "<span style=\"text-decoration: line-through;\" class=\"mycode_s\">$1</span>";
$standard_mycode['hr']['regex'] = "#\[hr\]#si";
$standard_mycode['hr']['replacement'] = "<hr class=\"mycode_hr\" />";
++$standard_count;
}
if($mybb->settings['allowsymbolmycode'] == 1)
{
$standard_mycode['copy']['regex'] = "#\(c\)#i";
$standard_mycode['copy']['replacement'] = "&copy;";
$standard_mycode['tm']['regex'] = "#\(tm\)#i";
$standard_mycode['tm']['replacement'] = "&#153;";
$standard_mycode['reg']['regex'] = "#\(r\)#i";
$standard_mycode['reg']['replacement'] = "&reg;";
++$standard_count;
}
if($mybb->settings['allowlinkmycode'] == 1)
{
$callback_mycode['url_simple']['regex'] = "#\[url\]((?!javascript)[a-z]+?://)([^\r\n\"<]+?)\[/url\]#si";
$callback_mycode['url_simple']['replacement'] = array($this, 'mycode_parse_url_callback1');
$callback_mycode['url_simple2']['regex'] = "#\[url\]((?!javascript:)[^\r\n\"<]+?)\[/url\]#i";
$callback_mycode['url_simple2']['replacement'] = array($this, 'mycode_parse_url_callback2');
$callback_mycode['url_complex']['regex'] = "#\[url=((?!javascript)[a-z]+?://)([^\r\n\"<]+?)\](.+?)\[/url\]#si";
$callback_mycode['url_complex']['replacement'] = array($this, 'mycode_parse_url_callback1');
$callback_mycode['url_complex2']['regex'] = "#\[url=((?!javascript:)[^\r\n\"<]+?)\](.+?)\[/url\]#si";
$callback_mycode['url_complex2']['replacement'] = array($this, 'mycode_parse_url_callback2');
++$callback_count;
}
if($mybb->settings['allowemailmycode'] == 1)
{
$callback_mycode['email_simple']['regex'] = "#\[email\]((?:[a-zA-Z0-9-_\+\.]+?)@[a-zA-Z0-9-]+\.[a-zA-Z0-9\.-]+(?:\?.*?)?)\[/email\]#i";
$callback_mycode['email_simple']['replacement'] = array($this, 'mycode_parse_email_callback');
$callback_mycode['email_complex']['regex'] = "#\[email=((?:[a-zA-Z0-9-_\+\.]+?)@[a-zA-Z0-9-]+\.[a-zA-Z0-9\.-]+(?:\?.*?)?)\](.*?)\[/email\]#i";
$callback_mycode['email_complex']['replacement'] = array($this, 'mycode_parse_email_callback');
++$callback_count;
}
if($mybb->settings['allowcolormycode'] == 1)
{
$nestable_mycode['color']['regex'] = "#\[color=([a-zA-Z]*|\#?[\da-fA-F]{3}|\#?[\da-fA-F]{6})](.*?)\[/color\]#si";
$nestable_mycode['color']['replacement'] = "<span style=\"color: $1;\" class=\"mycode_color\">$2</span>";
++$nestable_count;
}
if($mybb->settings['allowsizemycode'] == 1)
{
$nestable_mycode['size']['regex'] = "#\[size=(xx-small|x-small|small|medium|large|x-large|xx-large)\](.*?)\[/size\]#si";
$nestable_mycode['size']['replacement'] = "<span style=\"font-size: $1;\" class=\"mycode_size\">$2</span>";
$callback_mycode['size_int']['regex'] = "#\[size=([0-9\+\-]+?)\](.*?)\[/size\]#si";
$callback_mycode['size_int']['replacement'] = array($this, 'mycode_handle_size_callback');
++$nestable_count;
++$callback_count;
}
if($mybb->settings['allowfontmycode'] == 1)
{
$nestable_mycode['font']['regex'] = "#\[font=([a-z0-9 ,\-_'\"]+)\](.*?)\[/font\]#si";
$nestable_mycode['font']['replacement'] = "<span style=\"font-family: $1;\" class=\"mycode_font\">$2</span>";
++$nestable_count;
}
if($mybb->settings['allowalignmycode'] == 1)
{
$nestable_mycode['align']['regex'] = "#\[align=(left|center|right|justify)\](.*?)\[/align\]#si";
$nestable_mycode['align']['replacement'] = "<div style=\"text-align: $1;\" class=\"mycode_align\">$2</div>";
++$nestable_count;
}
$custom_mycode = $cache->read("mycode");
// If there is custom MyCode, load it.
if(is_array($custom_mycode))
{
foreach($custom_mycode as $key => $mycode)
{
$mycode['regex'] = str_replace("\x0", "", $mycode['regex']);
$custom_mycode[$key]['regex'] = "#".$mycode['regex']."#si";
++$standard_count;
}
$mycode = array_merge($standard_mycode, $custom_mycode);
}
else
{
$mycode = $standard_mycode;
}
// Assign the MyCode to the cache.
foreach($mycode as $code)
{
$this->mycode_cache['standard']['find'][] = $code['regex'];
$this->mycode_cache['standard']['replacement'][] = $code['replacement'];
}
// Assign the nestable MyCode to the cache.
foreach($nestable_mycode as $code)
{
$this->mycode_cache['nestable'][] = array('find' => $code['regex'], 'replacement' => $code['replacement']);
}
// Assign the nestable MyCode to the cache.
foreach($callback_mycode as $code)
{
$this->mycode_cache['callback'][] = array('find' => $code['regex'], 'replacement' => $code['replacement']);
}
$this->mycode_cache['standard_count'] = $standard_count;
$this->mycode_cache['callback_count'] = $callback_count;
$this->mycode_cache['nestable_count'] = $nestable_count;
}
/**
* Parses MyCode tags in a specific message with the specified options.
*
* @param string $message The message to be parsed.
* @param array $options Array of options in yes/no format. Options are allow_imgcode.
* @return string The parsed message.
*/
function parse_mycode($message, $options=array())
{
global $lang, $mybb;
if(empty($this->options))
{
$this->options = $options;
}
// Cache the MyCode globally if needed.
if($this->mycode_cache == 0)
{
$this->cache_mycode();
}
// Parse quotes first
$message = $this->mycode_parse_quotes($message);
$message = $this->mycode_auto_url($message);
$message = str_replace('$', '&#36;', $message);
// Replace the rest
if($this->mycode_cache['standard_count'] > 0)
{
$message = preg_replace($this->mycode_cache['standard']['find'], $this->mycode_cache['standard']['replacement'], $message);
}
if($this->mycode_cache['callback_count'] > 0)
{
foreach($this->mycode_cache['callback'] as $replace)
{
$message = preg_replace_callback($replace['find'], $replace['replacement'], $message);
}
}
// Replace the nestable mycode's
if($this->mycode_cache['nestable_count'] > 0)
{
foreach($this->mycode_cache['nestable'] as $mycode)
{
while(preg_match($mycode['find'], $message))
{
$message = preg_replace($mycode['find'], $mycode['replacement'], $message);
}
}
}
// Reset list cache
if($mybb->settings['allowlistmycode'] == 1)
{
$this->list_elements = array();
$this->list_count = 0;
// Find all lists
$message = preg_replace_callback("#(\[list(=(a|A|i|I|1))?\]|\[/list\])#si", array($this, 'mycode_prepare_list'), $message);
// Replace all lists
for($i = $this->list_count; $i > 0; $i--)
{
// Ignores missing end tags
$message = preg_replace_callback("#\s?\[list(=(a|A|i|I|1))?&{$i}\](.*?)(\[/list&{$i}\]|$)(\r\n?|\n?)#si", array($this, 'mycode_parse_list_callback'), $message, 1);
}
}
// Convert images when allowed.
if(!empty($this->options['allow_imgcode']))
{
$message = preg_replace_callback("#\[img\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_callback1'), $message);
$message = preg_replace_callback("#\[img=([1-9][0-9]*)x([1-9][0-9]*)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_callback2'), $message);
$message = preg_replace_callback("#\[img align=(left|right)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_callback3'), $message);
$message = preg_replace_callback("#\[img=([1-9][0-9]*)x([1-9][0-9]*) align=(left|right)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_callback4'), $message);
}
else
{
$message = preg_replace_callback("#\[img\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_disabled_callback1'), $message);
$message = preg_replace_callback("#\[img=([1-9][0-9]*)x([1-9][0-9]*)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_disabled_callback2'), $message);
$message = preg_replace_callback("#\[img align=(left|right)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_disabled_callback3'), $message);
$message = preg_replace_callback("#\[img=([1-9][0-9]*)x([1-9][0-9]*) align=(left|right)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is", array($this, 'mycode_parse_img_disabled_callback4'), $message);
}
// Convert videos when allow.
if(!empty($this->options['allow_videocode']))
{
$message = preg_replace_callback("#\[video=(.*?)\](.*?)\[/video\]#i", array($this, 'mycode_parse_video_callback'), $message);
}
else
{
$message = preg_replace_callback("#\[video=(.*?)\](.*?)\[/video\]#i", array($this, 'mycode_parse_video_disabled_callback'), $message);
}
return $message;
}
/**
* Generates a cache of smilies
*
* @access private
*/
function cache_smilies()
{
global $cache, $mybb, $theme, $templates;
$this->smilies_cache = array();
$smilies = $cache->read("smilies");
if(is_array($smilies))
{
$extra_class = $onclick = '';
foreach($smilies as $sid => $smilie)
{
$smilie['find'] = explode("\n", $smilie['find']);
$smilie['image'] = str_replace("{theme}", $theme['imgdir'], $smilie['image']);
$smilie['image'] = htmlspecialchars_uni($mybb->get_asset_url($smilie['image']));
$smilie['name'] = htmlspecialchars_uni($smilie['name']);
foreach($smilie['find'] as $s)
{
$s = $this->parse_html($s);
eval("\$smilie_template = \"".$templates->get("smilie", 1, 0)."\";");
$this->smilies_cache[$s] = $smilie_template;
// workaround for smilies starting with ;
if($s[0] == ";")
{
$this->smilies_cache += array(
"&amp$s" => "&amp$s",
"&lt$s" => "&lt$s",
"&gt$s" => "&gt$s",
);
}
}
}
}
}
/**
* Parses smilie code in the specified message.
*
* @param string $message $message The message being parsed.
* @param int $allow_html not used
* @return string The parsed message.
*/
function parse_smilies($message, $allow_html=0)
{
if($this->smilies_cache == 0)
{
$this->cache_smilies();
}
// No smilies?
if(!count($this->smilies_cache))
{
return $message;
}
// First we take out any of the tags we don't want parsed between (url= etc)
preg_match_all("#\[(url(=[^\]]*)?\]|quote=([^\]]*)?\])|(http|ftp)(s|)://[^\s]*#i", $message, $bad_matches, PREG_PATTERN_ORDER);
if(count($bad_matches[0]) > 0)
{
$message = preg_replace("#\[(url(=[^\]]*)?\]|quote=([^\]]*)?\])|(http|ftp)(s|)://[^\s]*#si", "<mybb-bad-sm>", $message);
}
$message = strtr($message, $this->smilies_cache);
// If we matched any tags previously, swap them back in
if(count($bad_matches[0]) > 0)
{
$message = explode("<mybb-bad-sm>", $message);
$i = 0;
foreach($bad_matches[0] as $match)
{
$message[$i] .= $match;
$i++;
}
$message = implode("", $message);
}
return $message;
}
/**
* Generates a cache of badwords filters.
*
* @access private
*/
function cache_badwords()
{
global $cache;
$this->badwords_cache = array();
$this->badwords_cache = $cache->read("badwords");
}
/**
* Parses a list of filtered/badwords in the specified message.
*
* @param string $message The message to be parsed.
* @param array $options Array of parser options in yes/no format.
* @return string The parsed message.
*/
function parse_badwords($message, $options=array())
{
if(empty($this->options))
{
$this->options = $options;
}
if($this->badwords_cache == 0)
{
$this->cache_badwords();
}
if(is_array($this->badwords_cache))
{
reset($this->badwords_cache);
foreach($this->badwords_cache as $bid => $badword)
{
if(!$badword['replacement'])
{
$badword['replacement'] = "*****";
}
// Take into account the position offset for our last replacement.
$badword['badword'] = str_replace('\*', '([a-zA-Z0-9_]{1})', preg_quote($badword['badword'], "#"));
// Ensure we run the replacement enough times but not recursively (i.e. not while(preg_match..))
$message = preg_replace("#(^|\W)".$badword['badword']."(?=\W|$)#i", '\1'.$badword['replacement'], $message);
}
}
if(!empty($this->options['strip_tags']))
{
$message = strip_tags($message);
}
return $message;
}
/**
* Resolves nested CDATA tags in the specified message.
*
* @param string $message The message to be parsed.
* @return string The parsed message.
*/
function parse_cdata($message)
{
$message = str_replace(']]>', ']]]]><![CDATA[>', $message);
return $message;
}
/**
* Attempts to move any javascript references in the specified message.
*
* @param string The message to be parsed.
* @return string The parsed message.
*/
function fix_javascript($message)
{
$js_array = array(
"#(&\#(0*)106;?|&\#(0*)74;?|&\#x(0*)4a;?|&\#x(0*)6a;?|j)((&\#(0*)97;?|&\#(0*)65;?|a)(&\#(0*)118;?|&\#(0*)86;?|v)(&\#(0*)97;?|&\#(0*)65;?|a)(\s)?(&\#(0*)115;?|&\#(0*)83;?|s)(&\#(0*)99;?|&\#(0*)67;?|c)(&\#(0*)114;?|&\#(0*)82;?|r)(&\#(0*)105;?|&\#(0*)73;?|i)(&\#112;?|&\#(0*)80;?|p)(&\#(0*)116;?|&\#(0*)84;?|t)(&\#(0*)58;?|\:))#i",
"#([\s\"']on)([a-z]+\s*=)#i",
);
// Add invisible white space
$message = preg_replace($js_array, "$1\xE2\x80\x8C$2$6", $message);
return $message;
}
/**
* Handles fontsize.
*
* @param int $size The original size.
* @param string $text The text within a size tag.
* @return string The parsed text.
*/
function mycode_handle_size($size, $text)
{
global $templates;
$size = (int)$size;
if($size < 1)
{
$size = 1;
}
if($size > 50)
{
$size = 50;
}
$text = str_replace("\'", "'", $text);
eval("\$mycode_size = \"".$templates->get("mycode_size_int", 1, 0)."\";");
return $mycode_size;
}
/**
* Handles fontsize.
*
* @param array $matches Matches.
* @return string The parsed text.
*/
function mycode_handle_size_callback($matches)
{
return $this->mycode_handle_size($matches[1], $matches[2]);
}
/**
* Parses quote MyCode.
*
* @param string $message The message to be parsed
* @param boolean $text_only Are we formatting as text?
* @return string The parsed message.
*/
function mycode_parse_quotes($message, $text_only=false)
{
global $lang, $templates, $theme, $mybb;
// Assign pattern and replace values.
$pattern = "#\[quote\](.*?)\[\/quote\](\r\n?|\n?)#si";
$pattern_callback = "#\[quote=([\"']|&quot;|)(.*?)(?:\\1)(.*?)(?:[\"']|&quot;)?\](.*?)\[/quote\](\r\n?|\n?)#si";
if($text_only == false)
{
$replace = "<blockquote class=\"mycode_quote\"><cite>$lang->quote</cite>$1</blockquote>\n";
$replace_callback = array($this, 'mycode_parse_post_quotes_callback1');
}
else
{
$replace = "\n{$lang->quote}\n--\n$1\n--\n";
$replace_callback = array($this, 'mycode_parse_post_quotes_callback2');
}
do
{
// preg_replace has erased the message? Restore it...
$previous_message = $message;
$message = preg_replace($pattern, $replace, $message, -1, $count);
$message = preg_replace_callback($pattern_callback, $replace_callback, $message, -1, $count_callback);
if(!$message)
{
$message = $previous_message;
break;
}
} while($count || $count_callback);
if($text_only == false)
{
$find = array(
"#(\r\n*|\n*)<\/cite>(\r\n*|\n*)#",
"#(\r\n*|\n*)<\/blockquote>#"
);
$replace = array(
"</cite><br />",
"</blockquote>"
);
$message = preg_replace($find, $replace, $message);
}
return $message;
}
/**
* Parses quotes with post id and/or dateline.
*
* @param string $message The message to be parsed
* @param string $username The username to be parsed
* @param boolean $text_only Are we formatting as text?
* @return string The parsed message.
*/
function mycode_parse_post_quotes($message, $username, $text_only=false)
{
global $lang, $templates, $theme, $mybb;
$linkback = $date = "";
$message = trim($message);
$message = preg_replace("#(^<br(\s?)(\/?)>|<br(\s?)(\/?)>$)#i", "", $message);
if(!$message)
{
return '';
}
$username .= "'";
$delete_quote = true;
preg_match("#pid=(?:&quot;|\"|')?([0-9]+)[\"']?(?:&quot;|\"|')?#i", $username, $match);
if((int)$match[1])
{
$pid = (int)$match[1];
$url = $mybb->settings['bburl']."/".get_post_link($pid)."#pid$pid";
if(defined("IN_ARCHIVE"))
{
$linkback = " <a href=\"{$url}\">[ -> ]</a>";
}
else
{
eval("\$linkback = \" ".$templates->get("postbit_gotopost", 1, 0)."\";");
}
$username = preg_replace("#(?:&quot;|\"|')? pid=(?:&quot;|\"|')?[0-9]+[\"']?(?:&quot;|\"|')?#i", '', $username);
$delete_quote = false;
}
unset($match);
preg_match("#dateline=(?:&quot;|\"|')?([0-9]+)(?:&quot;|\"|')?#i", $username, $match);
if((int)$match[1])
{
if($match[1] < TIME_NOW)
{
$postdate = my_date('relative', (int)$match[1]);
$date = " ({$postdate})";
}
$username = preg_replace("#(?:&quot;|\"|')? dateline=(?:&quot;|\"|')?[0-9]+(?:&quot;|\"|')?#i", '', $username);
$delete_quote = false;
}
if($delete_quote)
{
$username = my_substr($username, 0, my_strlen($username)-1);
}
if(!empty($this->options['allow_html']))
{
$username = htmlspecialchars_uni($username);
}
if($text_only)
{
return "\n{$username} {$lang->wrote}{$date}\n--\n{$message}\n--\n";
}
else
{
$span = "";
if(!$delete_quote)
{
$span = "<span>{$date}</span>";
}
eval("\$mycode_quote = \"".$templates->get("mycode_quote_post", 1, 0)."\";");
return $mycode_quote;
}
}
/**
* Parses quotes with post id and/or dateline.
*
* @param array $matches Matches.
* @return string The parsed message.
*/
function mycode_parse_post_quotes_callback1($matches)
{
return $this->mycode_parse_post_quotes($matches[4],$matches[2].$matches[3]);
}
/**
* Parses quotes with post id and/or dateline.
*
* @param array $matches Matches.
* @return string The parsed message.
*/
function mycode_parse_post_quotes_callback2($matches)
{
return $this->mycode_parse_post_quotes($matches[4],$matches[2].$matches[3], true);
}
/**
* Parses code MyCode.
*
* @param string $code The message to be parsed
* @param boolean $text_only Are we formatting as text?
* @return string The parsed message.
*/
function mycode_parse_code($code, $text_only=false)
{
global $lang, $templates;
if($text_only == true)
{
return "\n{$lang->code}\n--\n{$code}\n--\n";
}
// Clean the string before parsing.
$code = preg_replace('#^(\t*)(\n|\r|\0|\x0B| )*#', '\\1', $code);
$code = rtrim($code);
$original = preg_replace('#^\t*#', '', $code);
if(empty($original))
{
return;
}
$code = str_replace('$', '&#36;', $code);
$code = preg_replace('#\$([0-9])#', '\\\$\\1', $code);
$code = str_replace('\\', '&#92;', $code);
$code = str_replace("\t", '&nbsp;&nbsp;&nbsp;&nbsp;', $code);
$code = str_replace(" ", '&nbsp;&nbsp;', $code);
eval("\$mycode_code = \"".$templates->get("mycode_code", 1, 0)."\";");
return $mycode_code;
}
/**
* Parses code MyCode.
*
* @param array $matches Matches.
* @return string The parsed message.
*/
function mycode_parse_code_callback($matches)
{
return $this->mycode_parse_code($matches[1], true);
}
/**
* Parses PHP code MyCode.
*
* @param string $str The message to be parsed
* @param boolean $bare_return Whether or not it should return it as pre-wrapped in a div or not.
* @param boolean $text_only Are we formatting as text?
* @return string The parsed message.
*/
function mycode_parse_php($str, $bare_return = false, $text_only = false)
{
global $lang, $templates;
if($text_only == true)
{
return "\n{$lang->php_code}\n--\n$str\n--\n";
}
// Clean the string before parsing except tab spaces.
$str = preg_replace('#^(\t*)(\n|\r|\0|\x0B| )*#', '\\1', $str);
$str = rtrim($str);
$original = preg_replace('#^\t*#', '', $str);
if(empty($original))
{
return;
}
// See if open and close tags are provided.
$added_open_tag = false;
if(!preg_match("#^\s*<\?#si", $str))
{
$added_open_tag = true;
$str = "<?php \n".$str;
}
$added_end_tag = false;
if(!preg_match("#\?>\s*$#si", $str))
{
$added_end_tag = true;
$str = $str." \n?>";
}
$code = @highlight_string($str, true);
// Do the actual replacing.
$code = preg_replace('#<code>\s*<span style="color: \#000000">\s*#i', "<code>", $code);
$code = preg_replace("#</span>\s*</code>#", "</code>", $code);
$code = preg_replace("#</span>(\r\n?|\n?)</code>#", "</span></code>", $code);
$code = str_replace("\\", '&#092;', $code);
$code = str_replace('$', '&#36;', $code);
$code = preg_replace("#&amp;\#([0-9]+);#si", "&#$1;", $code);
if($added_open_tag)
{
$code = preg_replace("#<code><span style=\"color: \#([A-Z0-9]{6})\">&lt;\?php( |&nbsp;)(<br />?)#", "<code><span style=\"color: #$1\">", $code);
}
if($added_end_tag)
{
$code = str_replace("?&gt;</span></code>", "</span></code>", $code);
// Wait a minute. It fails highlighting? Stupid highlighter.
$code = str_replace("?&gt;</code>", "</code>", $code);
}
$code = preg_replace("#<span style=\"color: \#([A-Z0-9]{6})\"></span>#", "", $code);
$code = str_replace("<code>", "<div dir=\"ltr\"><code>", $code);
$code = str_replace("</code>", "</code></div>", $code);
$code = preg_replace("# *$#", "", $code);
if($bare_return)
{
return $code;
}
// Send back the code all nice and pretty
eval("\$mycode_php = \"".$templates->get("mycode_php", 1, 0)."\";");
return $mycode_php;
}
/**
* Parses PHP code MyCode.
*
* @param array $matches Matches.
* @return string The parsed message.
*/
function mycode_parse_php_callback($matches)
{
return $this->mycode_parse_php($matches[1], false, true);
}
/**
* Parses URL MyCode.
*
* @param string $url The URL to link to.
* @param string $name The name of the link.
* @return string The built-up link.
*/
function mycode_parse_url($url, $name="")
{
global $templates;
if(!preg_match("#^[a-z0-9]+://#i", $url))
{
$url = "http://".$url;
}
if(!empty($this->options['allow_html']))
{
$url = $this->parse_html($url);
}
if(!$name)
{
$name = $url;
}
if($name == $url && (!isset($this->options['shorten_urls']) || !empty($this->options['shorten_urls'])))
{
$name = htmlspecialchars_decode($name);
if(my_strlen($name) > 55)
{
$name = my_substr($name , 0, 40).'...'.my_substr($name , -10);
}
$name = htmlspecialchars_uni($name);
}
$nofollow = '';
if(!empty($this->options['nofollow_on']))
{
$nofollow = " rel=\"nofollow\"";
}
// Fix some entities in URLs
$entities = array('$' => '%24', '&#36;' => '%24', '^' => '%5E', '`' => '%60', '[' => '%5B', ']' => '%5D', '{' => '%7B', '}' => '%7D', '"' => '%22', '<' => '%3C', '>' => '%3E', ' ' => '%20');
$url = str_replace(array_keys($entities), array_values($entities), $url);
$name = preg_replace("#&amp;\#([0-9]+);#si", "&#$1;", $name); // Fix & but allow unicode
eval("\$mycode_url = \"".$templates->get("mycode_url", 1, 0)."\";");
return $mycode_url;
}
/**
* Parses URL MyCode.
*
* @param array $matches Matches.
* @return string The built-up link.
*/
function mycode_parse_url_callback1($matches)
{
if(!isset($matches[3]))
{
$matches[3] = '';
}
return $this->mycode_parse_url($matches[1].$matches[2], $matches[3]);
}
/**
* Parses URL MyCode.
*
* @param array $matches Matches.
* @return string The built-up link.
*/
function mycode_parse_url_callback2($matches)
{
if(!isset($matches[2]))
{
$matches[2] = '';
}
return $this->mycode_parse_url($matches[1], $matches[2]);
}
/**
* Parses IMG MyCode.
*
* @param string $url The URL to the image
* @param array $dimensions Optional array of dimensions
* @param string $align
* @return string
*/
function mycode_parse_img($url, $dimensions=array(), $align='')
{
global $lang, $templates;
$url = trim($url);
$url = str_replace("\n", "", $url);
$url = str_replace("\r", "", $url);
if(!empty($this->options['allow_html']))
{
$url = $this->parse_html($url);
}
$css_align = '';
if($align == "right")
{
$css_align = ' style="float: right;"';
}
else if($align == "left")
{
$css_align = ' style="float: left;"';
}
if($align)
{
$this->clear_needed = true;
}
$alt = basename($url);
$alt = htmlspecialchars_decode($alt);
if(my_strlen($alt) > 55)
{
$alt = my_substr($alt, 0, 40).'...'.my_substr($alt, -10);
}
$alt = htmlspecialchars_uni($alt);
$alt = $lang->sprintf($lang->posted_image, $alt);
$width = $height = '';
if(isset($dimensions[0]) && $dimensions[0] > 0 && isset($dimensions[1]) && $dimensions[1] > 0)
{
$width = " width=\"{$dimensions[0]}\"";
$height = " height=\"{$dimensions[1]}\"";
}
eval("\$mycode_img = \"".$templates->get("mycode_img", 1, 0)."\";");
return $mycode_img;
}
/**
* Parses IMG MyCode.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_callback1($matches)
{
return $this->mycode_parse_img($matches[2]);
}
/**
* Parses IMG MyCode.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_callback2($matches)
{
return $this->mycode_parse_img($matches[4], array($matches[1], $matches[2]));
}
/**
* Parses IMG MyCode.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_callback3($matches)
{
return $this->mycode_parse_img($matches[3], array(), $matches[1]);
}
/**
* Parses IMG MyCode.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_callback4($matches)
{
return $this->mycode_parse_img($matches[5], array($matches[1], $matches[2]), $matches[3]);
}
/**
* Parses IMG MyCode disabled.
*
* @param string $url The URL to the image
* @return string
*/
function mycode_parse_img_disabled($url)
{
global $lang;
$url = trim($url);
$url = str_replace("\n", "", $url);
$url = str_replace("\r", "", $url);
$url = str_replace("\'", "'", $url);
$image = $lang->sprintf($lang->posted_image, $this->mycode_parse_url($url));
return $image;
}
/**
* Parses IMG MyCode disabled.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_disabled_callback1($matches)
{
return $this->mycode_parse_img_disabled($matches[2]);
}
/**
* Parses IMG MyCode disabled.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_disabled_callback2($matches)
{
return $this->mycode_parse_img_disabled($matches[4]);
}
/**
* Parses IMG MyCode disabled.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_disabled_callback3($matches)
{
return $this->mycode_parse_img_disabled($matches[3]);
}
/**
* Parses IMG MyCode disabled.
*
* @param array $matches Matches.
* @return string Image code.
*/
function mycode_parse_img_disabled_callback4($matches)
{
return $this->mycode_parse_img_disabled($matches[5]);
}
/**
* Parses email MyCode.
*
* @param string $email The email address to link to.
* @param string $name The name for the link.
* @return string The built-up email link.
*/
function mycode_parse_email($email, $name="")
{
global $templates;
if(!$name)
{
$name = $email;
}
if(preg_match("/^([a-zA-Z0-9-_\+\.]+?)@[a-zA-Z0-9-]+\.[a-zA-Z0-9\.-]+$/si", $email))
{
$email = $email;
}
elseif(preg_match("/^([a-zA-Z0-9-_\+\.]+?)@[a-zA-Z0-9-]+\.[a-zA-Z0-9\.-]+\?(.*?)$/si", $email))
{
$email = htmlspecialchars_uni($email);
}
eval("\$mycode_email = \"".$templates->get("mycode_email", 1, 0)."\";");
return $mycode_email;
}
/**
* Parses email MyCode.
*
* @param array $matches Matches
* @return string The built-up email link.
*/
function mycode_parse_email_callback($matches)
{
if(!isset($matches[2]))
{
$matches[2] = '';
}
return $this->mycode_parse_email($matches[1], $matches[2]);
}
/**
* Parses video MyCode.
*
* @param string $video The video provider.
* @param string $url The video to link to.
* @return string The built-up video code.
*/
function mycode_parse_video($video, $url)
{
global $templates;
if(empty($video) || empty($url))
{
return "[video={$video}]{$url}[/video]";
}
$parsed_url = @parse_url(urldecode($url));
if($parsed_url == false)
{
return "[video={$video}]{$url}[/video]";
}
$fragments = array();
if($parsed_url['fragment'])
{
$fragments = explode("&", $parsed_url['fragment']);
}
$queries = explode("&", $parsed_url['query']);
$input = array();
foreach($queries as $query)
{
list($key, $value) = explode("=", $query);
$key = str_replace("amp;", "", $key);
$input[$key] = $value;
}
$path = explode('/', $parsed_url['path']);
switch($video)
{
case "dailymotion":
list($id) = explode('_', $path[2], 2); // http://www.dailymotion.com/video/fds123_title-goes-here
break;
case "metacafe":
$id = $path[2]; // http://www.metacafe.com/watch/fds123/title_goes_here/
$title = htmlspecialchars_uni($path[3]);
break;
case "myspacetv":
$id = $path[4]; // http://www.myspace.com/video/fds/fds/123
break;
case "facebook":
if(isset($input['v']))
{
$id = $input['v']; // http://www.facebook.com/video/video.php?v=123
}
elseif(substr($path[3], 0, 3) == 'vb.')
{
$id = $path[4]; // https://www.facebook.com/fds/videos/vb.123/123/
}
else
{
$id = $path[3]; // https://www.facebook.com/fds/videos/123/
}
break;
case "veoh":
$id = $path[2]; // http://www.veoh.com/watch/123
break;
case "liveleak":
$id = $input['i']; // http://www.liveleak.com/view?i=123
break;
case "yahoo":
if(isset($path[2]))
{
$id = $path[2]; // http://xy.screen.yahoo.com/fds/fds-123.html
}
else
{
$id = $path[1]; // http://xy.screen.yahoo.com/fds-123.html
}
// Support for localized portals
$domain = explode('.', $parsed_url['host']);
if($domain[0] != 'screen' && preg_match('#^([a-z-]+)$#', $domain[0]))
{
$local = "{$domain[0]}.";
}
else
{
$local = '';
}
break;
case "vimeo":
if(isset($path[3]))
{
$id = $path[3]; // http://vimeo.com/fds/fds/fds123
}
else
{
$id = $path[1]; // http://vimeo.com/fds123
}
break;
case "youtube":
if($fragments[0])
{
$id = str_replace('!v=', '', $fragments[0]); // http://www.youtube.com/watch#!v=fds123
}
elseif($input['v'])
{
$id = $input['v']; // http://www.youtube.com/watch?v=fds123
}
else
{
$id = $path[1]; // http://www.youtu.be/fds123
}
break;
case "twitch":
if(isset($path[3]))
{
$id = $path[3]; // https://www.twitch.tv/giantbomb/v/100048090
}
break;
default:
return "[video={$video}]{$url}[/video]";
}
if(empty($id))
{
return "[video={$video}]{$url}[/video]";
}
$id = htmlspecialchars_uni($id);
eval("\$video_code = \"".$templates->get("video_{$video}_embed")."\";");
return $video_code;
}
/**
* Parses video MyCode.
*
* @param array $matches Matches.
* @return string The built-up video code.
*/
function mycode_parse_video_callback($matches)
{
return $this->mycode_parse_video($matches[1], $matches[2]);
}
/**
* Parses video MyCode disabled.
*
* @param string $url The URL to the video
* @return string
*/
function mycode_parse_video_disabled($url)
{
global $lang;
$url = trim($url);
$url = str_replace("\n", "", $url);
$url = str_replace("\r", "", $url);
$url = str_replace("\'", "'", $url);
$video = $lang->sprintf($lang->posted_video, $this->mycode_parse_url($url));
return $video;
}
/**
* Parses video MyCode disabled.
*
* @param array $matches Matches.
* @return string The built-up video code.
*/
function mycode_parse_video_disabled_callback($matches)
{
return $this->mycode_parse_video_disabled($matches[2]);
}
/**
* Parses URLs automatically.
*
* @param string $message The message to be parsed
* @return string The parsed message.
*/
function mycode_auto_url($message)
{
$message = " ".$message;
// Links should end with slashes, numbers, characters and braces but not with dots, commas or question marks
$message = preg_replace_callback("#([\>\s\(\)])(http|https|ftp|news|irc|ircs|irc6){1}://([^\/\"\s\<\[\.]+\.([^\/\"\s\<\[\.]+\.)*[\w]+(:[0-9]+)?(/([^\"\s<\[]|\[\])*)?([\w\/\)]))#iu", array($this, 'mycode_auto_url_callback'), $message);
$message = preg_replace_callback("#([\>\s\(\)])(www|ftp)\.(([^\/\"\s\<\[\.]+\.)*[\w]+(:[0-9]+)?(/([^\"\s<\[]|\[\])*)?([\w\/\)]))#iu", array($this, 'mycode_auto_url_callback'), $message);
$message = my_substr($message, 1);
return $message;
}
/**
* Parses URLs automatically.
*
* @param array $matches Matches
* @return string The parsed message.
*/
function mycode_auto_url_callback($matches)
{
$external = '';
// Allow links like http://en.wikipedia.org/wiki/PHP_(disambiguation) but detect mismatching braces
while(my_substr($matches[3], -1) == ')')
{
if(substr_count($matches[3], ')') > substr_count($matches[3], '('))
{
$matches[3] = my_substr($matches[3], 0, -1);
$external = ')'.$external;
}
else
{
break;
}
// Example: ([...] http://en.wikipedia.org/Example_(disambiguation).)
$last_char = my_substr($matches[3], -1);
while($last_char == '.' || $last_char == ',' || $last_char == '?' || $last_char == '!')
{
$matches[3] = my_substr($matches[3], 0, -1);
$external = $last_char.$external;
$last_char = my_substr($matches[3], -1);
}
}
if($matches[2] == 'www' || $matches[2] == 'ftp')
{
return "{$matches[1]}[url]{$matches[2]}.{$matches[3]}[/url]{$external}";
}
else
{
return "{$matches[1]}[url]{$matches[2]}://{$matches[3]}[/url]{$external}";
}
}
/**
* Parses list MyCode.
*
* @param string $message The message to be parsed
* @param string $type The list type
* @return string The parsed message.
*/
function mycode_parse_list($message, $type="")
{
// No list elements? That's invalid HTML
if(strpos($message, '[*]') === false)
{
$message = "[*]{$message}";
}
$message = preg_replace("#[^\S\n\r]*\[\*\]\s*#", "</li>\n<li>", $message);
$message .= "</li>";
if($type)
{
$list = "\n<ol type=\"$type\" class=\"mycode_list\">$message</ol>\n";
}
else
{
$list = "<ul class=\"mycode_list\">$message</ul>\n";
}
$list = preg_replace("#<(ol type=\"$type\"|ul)>\s*</li>#", "<$1>", $list);
return $list;
}
/**
* Parses list MyCode.
*
* @param array $matches Matches
* @return string The parsed message.
*/
function mycode_parse_list_callback($matches)
{
return $this->mycode_parse_list($matches[3], $matches[2]);
}
/**
* Prepares list MyCode by finding the matching list tags.
*
* @param array $matches Matches
* @return string Temporary replacements.
*/
function mycode_prepare_list($matches)
{
// Append number to identify matching list tags
if(strcasecmp($matches[1], '[/list]') == 0)
{
$count = array_pop($this->list_elements);
if($count !== NULL)
{
return "[/list&{$count}]";
}
else
{
// No open list tag...
return $matches[0];
}
}
else
{
++$this->list_count;
$this->list_elements[] = $this->list_count;
if(!empty($matches[2]))
{
return "[list{$matches[2]}&{$this->list_count}]";
}
else
{
return "[list&{$this->list_count}]";
}
}
}
/**
* Strips smilies from a string
*
* @param string $message The message for smilies to be stripped from
* @return string The message with smilies stripped
*/
function strip_smilies($message)
{
if($this->smilies_cache == 0)
{
$this->cache_smilies();
}
if(is_array($this->smilies_cache))
{
$message = str_replace($this->smilies_cache, array_keys($this->smilies_cache), $message);
}
return $message;
}
/**
* Highlights a string
*
* @param string $message The message to be highligted
* @param string $highlight The highlight keywords
* @return string The message with highlight bbcodes
*/
function highlight_message($message, $highlight)
{
if(empty($this->highlight_cache))
{
$this->highlight_cache = build_highlight_array($highlight);
}
if(is_array($this->highlight_cache) && !empty($this->highlight_cache))
{
$message = preg_replace(array_keys($this->highlight_cache), $this->highlight_cache, $message);
}
return $message;
}
/**
* Parses message to plain text equivalents of MyCode.
*
* @param string $message The message to be parsed
* @param array $options
* @return string The parsed message.
*/
function text_parse_message($message, $options=array())
{
global $plugins;
if(empty($this->options))
{
$this->options = $options;
}
// Filter bad words if requested.
if(!empty($this->options['filter_badwords']))
{
$message = $this->parse_badwords($message);
}
// Parse quotes first
$message = $this->mycode_parse_quotes($message, true);
$message = preg_replace_callback("#\[php\](.*?)\[/php\](\r\n?|\n?)#is", array($this, 'mycode_parse_php_callback'), $message);
$message = preg_replace_callback("#\[code\](.*?)\[/code\](\r\n?|\n?)#is", array($this, 'mycode_parse_code_callback'), $message);
$find = array(
"#\[(b|u|i|s|url|email|color|img)\](.*?)\[/\\1\]#is",
"#\[img=([1-9][0-9]*)x([1-9][0-9]*)\](\r\n?|\n?)(https?://([^<>\"']+?))\[/img\]#is",
"#\[url=((?!javascript)[a-z]+?://)([^\r\n\"<]+?)\](.+?)\[/url\]#si",
"#\[url=((?!javascript:)[^\r\n\"<&\(\)]+?)\](.+?)\[/url\]#si",
);
$replace = array(
"$2",
"$4",
"$3 ($1$2)",
"$2 ($1)",
);
$message = preg_replace($find, $replace, $message);
// Replace "me" code and slaps if we have a username
if(!empty($this->options['me_username']))
{
global $lang;
$message = preg_replace('#(>|^|\r|\n)/me ([^\r\n<]*)#i', "\\1* {$this->options['me_username']} \\2", $message);
$message = preg_replace('#(>|^|\r|\n)/slap ([^\r\n<]*)#i', "\\1* {$this->options['me_username']} {$lang->slaps} \\2 {$lang->with_trout}", $message);
}
// Reset list cache
$this->list_elements = array();
$this->list_count = 0;
// Find all lists
$message = preg_replace_callback("#(\[list(=(a|A|i|I|1))?\]|\[/list\])#si", array($this, 'mycode_prepare_list'), $message);
// Replace all lists
for($i = $this->list_count; $i > 0; $i--)
{
// Ignores missing end tags
$message = preg_replace_callback("#\s?\[list(=(a|A|i|I|1))?&{$i}\](.*?)(\[/list&{$i}\]|$)(\r\n?|\n?)#si", array($this, 'mycode_parse_list_callback'), $message, 1);
}
// Run plugin hooks
$message = $plugins->run_hooks("text_parse_message", $message);
return $message;
}
}