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Code Issues Releases Wiki Activity

Changed: $warn_msg changed into a class var. (allows from returning errors from regexps)

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Added: max_quote_depth
Changed: PHP syntax highlightning modified to use CSS classes instead of <font> tags


git-svn-id: file:///svn/phpbb/trunk@4045 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Ludovic Arnaud 2003-05-22 01:32:27 +00:00
parent 34579c63e2
commit 64b7c1d73d
1 changed files with 124 additions and 101 deletions
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225
phpBB/includes/message_parser.php
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@ -47,13 +47,13 @@ if (!function_exists('stripos'))
// and parses it for attachments, html, bbcode and smilies
class parse_message
{
var $bbcode_tpl = null;
var $message_mode = 0; // MSG_POST/MSG_PM
var $message = '';
var $warn_msg = array();
var $bbcodes = array();
var $bbcode_uid = '';
var $bbcode_bitfield = 0;
var $bbcode_array = array();
var $message = '';
var $disabled_bbcodes = array();
var $attachment_data = array();
var $filename_data = array();
@ -68,8 +68,6 @@ class parse_message
{
global $config, $db, $user;
$warn_msg = '';
// Do some general 'cleanup' first before processing message,
// e.g. remove excessive newlines(?), smilies(?)
$match = array('#sid=[a-z0-9]*?&?#', "#([\r\n][\s]+){3,}#");
@ -80,12 +78,13 @@ class parse_message
// Message length check
if (!strlen($this->message) || (intval($config['max_post_chars']) && strlen($this->message) > intval($config['max_post_chars'])))
{
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . (!strlen($this->message)) ? $user->lang['TOO_FEW_CHARS'] : $user->lang['TOO_MANY_CHARS'];
$this->warn_msg[] = (!strlen($this->message)) ? $user->lang['TOO_FEW_CHARS'] : $user->lang['TOO_MANY_CHARS'];
}
// Smiley check
if (intval($config['max_post_smilies']) && $smilies)
{
// NOTE: couldn't we move this to emoticons()? they both use the same rowset
$sql = "SELECT code
FROM " . SMILIES_TABLE;
$result = $db->sql_query($sql);
@ -100,7 +99,7 @@ class parse_message
if ($match > intval($config['max_post_smilies']))
{
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . $user->lang['TOO_MANY_SMILIES'];
$this->warn_msg[] = $user->lang['TOO_MANY_SMILIES'];
break;
}
}
@ -108,28 +107,29 @@ class parse_message
unset($matches);
}
if ($warn_msg)
if ($this->warn_msg)
{
return $warn_msg;
return implode('<br />', $this->warn_msg);
}
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->html($html);
$this->html($html);
if ($bbcode)
{
$this->bbcode_init();
if (!$bbcode_img)
{
$this->disabled_bbcodes['img'] = TRUE;
$this->bbcodes['img']['disabled'] = TRUE;
}
if (!$bbcode_flash)
{
$this->disabled_bbcodes['flash'] = TRUE;
$this->bbcodes['flash']['disabled'] = TRUE;
}
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->bbcode();
$this->bbcode();
}
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->emoticons($smilies);
$warn_msg .= (($warn_msg != '') ? '<br />' : '') . $this->magic_url($url);
$this->emoticons($smilies);
$this->magic_url($url);
return $warn_msg;
return implode('<br />', $this->warn_msg);
}
function html($html)
@ -149,29 +149,51 @@ class parse_message
$this->message = preg_replace('#&lt;(\/?)(' . str_replace('*', '.*?', implode('|', $allowed_tags)) . ')&gt;#is', '<\1\2>', $this->message);
}
}
return;
}
function bbcode()
{
$this->bbcode_init();
if (!$this->bbcodes)
{
$this->bbcode_init();
}
global $user;
$this->bbcode_bitfield = 0;
$size = strlen($this->message);
foreach ($this->bbcode_array as $bbcode_id => $row)
foreach ($this->bbcodes as $bbcode_name => $bbcode_data)
{
$parse = FALSE;
foreach ($row as $regex => $replacement)
if (!empty($bbcode_data['disabled']))
{
$this->message = preg_replace($regex, $replacement, $this->message);
foreach ($bbcode_data['regexp'] as $regexp => $replacement)
{
if (preg_match($regexp, $this->message))
{
$this->warn_msg[] = $user->lang['UNAUTHORISED_BBCODE'] . '[' . $bbcode_name . ']';
continue;
}
}
}
else
{
foreach ($bbcode_data['regexp'] as $regexp => $replacement)
{
$this->message = preg_replace($regexp, $replacement, $this->message);
if (is_array($this->message))
{
$this->warn_msg[] = $this->message['error_msg'];
$this->message = $this->message['message'];
}
}
}
// Since we add bbcode_uid to all tags, the message length will increase whenever a tag is found
$new_size = strlen($this->message);
if ($size != $new_size)
{
$this->bbcode_bitfield += pow(2, $bbcode_id);
$this->bbcode_bitfield += pow(2, $bbcode_data['bbcode_id']);
$size = $new_size;
}
}
@ -181,43 +203,30 @@ class parse_message
{
static $rowset;
// Always parse [code] first
// [quote] moved to the second position
$this->bbcode_array = array(
8 => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#ise' => "\$this->bbcode_code('\\1', '\\2')"),
0 => array('#\[quote(?:="(.*?)")\](.+)\[/quote\]#ise'=> "\$this->bbcode_quote('\\0')"),
// TODO: validation regexp
11 => array('#\[flash\](.*?)\[/flash\]#i' => '[flash:' . $this->bbcode_uid . ']\1[/flash:' . $this->bbcode_uid . ']'),
10 => array('#\[email(=.*?)?\](.*?)\[/email\]#ise' => "\$this->validate_email('\\1', '\\2')"),
9 => array('#\[list(=[a-z|0-9|(?:disc|circle|square))]+)?\].*\[/list\]#ise' => "\$this->bbcode_list('\\0')"),
7 => array('#\[u\](.*?)\[/u\]#is' => '[u:' . $this->bbcode_uid . ']\1[/u:' . $this->bbcode_uid . ']'),
6 => array('!\[color=(#[0-9A-F]{6}|[a-z\-]+)\](.*?)\[/color\]!is'
=> '[color=\1:' . $this->bbcode_uid . ']\2[/color:' . $this->bbcode_uid . ']'),
5 => array('#\[size=([\-\+]?[1-2]?[0-9])\](.*?)\[/size\]#is'
=> '[size=\1:' . $this->bbcode_uid . ']\2[/size:' . $this->bbcode_uid . ']'),
4 => array('#\[img\](https?://)([a-z0-9\-\.,\?!%\*_:;~\\&$@/=\+]+)\[/img\]#i'
=> '[img:' . $this->bbcode_uid . ']\1\2[/img:' . $this->bbcode_uid . ']'),
3 => array('#\[url=?(.*?)?\](.*?)\[/url\]#ise' => "\$this->validate_url('\\1', '\\2')"),
2 => array('#\[i\](.*?)\[/i\]#is' => '[i:' . $this->bbcode_uid . ']\1[/i:' . $this->bbcode_uid . ']'),
1 => array('#\[b\](.*?)\[/b\]#is' => '[b:' . $this->bbcode_uid . ']\1[/b:' . $this->bbcode_uid . ']')
// 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.
$this->bbcodes = array(
'code' => array('bbcode_id' => 8, 'regexp' => array('#\[code(?:=([a-z]+))?\](.+\[/code\])#ise' => "\$this->bbcode_code('\\1', '\\2')")),
'quote' => array('bbcode_id' => 0, 'regexp' => array('#\[quote(?:="(.*?)")?\](.+)\[/quote\]#ise' => "\$this->bbcode_quote('\\0')")),
'b' => array('bbcode_id' => 1, 'regexp' => array('#\[b\](.*?)\[/b\]#is' => '[b:' . $this->bbcode_uid . ']\1[/b:' . $this->bbcode_uid . ']')),
'i' => array('bbcode_id' => 2, 'regexp' => array('#\[i\](.*?)\[/i\]#is' => '[i:' . $this->bbcode_uid . ']\1[/i:' . $this->bbcode_uid . ']')),
'url' => array('bbcode_id' => 3, 'regexp' => array('#\[url=(.*?)?\](.*?)\[/url\]#ise' => "\$this->validate_url('\\1', '\\2')")),
'img' => array('bbcode_id' => 4, 'regexp' => array('#\[img\](https?://)([a-z0-9\-\.,\?!%\*_:;~\\&$@/=\+]+)\[/img\]#i' => '[img:' . $this->bbcode_uid . ']\1\2[/img:' . $this->bbcode_uid . ']')),
'size' => array('bbcode_id' => 5, 'regexp' => array('#\[size=([\-\+]?[1-2]?[0-9])\](.*?)\[/size\]#is' => '[size=\1:' . $this->bbcode_uid . ']\2[/size:' . $this->bbcode_uid . ']')),
'color' => array('bbcode_id' => 6, 'regexp' => array('!\[color=(#[0-9A-F]{6}|[a-z\-]+)\](.*?)\[/color\]!is' => '[color=\1:' . $this->bbcode_uid . ']\2[/color:' . $this->bbcode_uid . ']')),
'u' => array('bbcode_id' => 7, 'regexp' => array('#\[u\](.*?)\[/u\]#is' => '[u:' . $this->bbcode_uid . ']\1[/u:' . $this->bbcode_uid . ']')),
'list' => array('bbcode_id' => 9, 'regexp' => array('#\[list(=[a-z|0-9|(?:disc|circle|square))]+)?\].*\[/list\]#ise' => "\$this->bbcode_list('\\0')")),
'email' => array('bbcode_id' => 10, 'regexp' => array('#\[email(=.*?)?\](.*?)\[/email\]#ise' => "\$this->validate_email('\\1', '\\2')")),
'flash' => array('bbcode_id' => 11, 'regexp' => array('#\[flash\](.*?)\[/flash\]#i' => '[flash:' . $this->bbcode_uid . ']\1[/flash:' . $this->bbcode_uid . ']'))
);
if (!empty($this->disabled_bbcodes['img']))
{
unset($this->bbcode_array[4]);
}
if (!empty($this->disabled_bbcodes['flash']))
{
unset($this->bbcode_array[11]);
}
/**************
if (!isset($rowset))
{
global $db;
$rowset = array();
$result = $db->sql_query('SELECT bbcode_id, first_pass_regexp, first_pass_replacement FROM ' . BBCODES_TABLE);
$result = $db->sql_query('SELECT * FROM ' . BBCODES_TABLE);
while ($row = $db->sql_fetchrow($result))
{
$rowset[] = $row;
@ -225,26 +234,14 @@ class parse_message
}
foreach ($rowset as $row)
{
$this->bbcode_array[intval($row['bbcode_id'])] = array($row['first_pass_regexp'] => str_replace('$uid', $this->bbcode_uid, $row['first_pass_replacement']));
$this->bbcodes[$row['bbcode_name']] = array(
'bbcode_id' => $row['bbcode_id'],
'regexp' => array($row['first_pass_regexp'] => str_replace('$uid', $this->bbcode_uid, $row['first_pass_replacement']))
);
}
**************/
}
function bbcode_quote_username($username)
{
echo "<pre><hr>processing <b>$username</b><hr></pre>";
if (!$username)
{
return '';
}
// Will do some stuff at some point (will hopefully prevent from breaking out of quotes)
$username = stripslashes($username);
return '="' . $username . '"';
}
// Expects the argument to start right after the opening [code] tag and to end with [/code]
function bbcode_code($stx, $in)
{
@ -282,37 +279,49 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
{
case 'php':
$remove_tags = FALSE;
$str_from = array('&lt;', '&gt;');
$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.', 'hl_', $ini_var));
}
ob_start();
highlight_string($code);
$code = ob_get_contents();
ob_end_clean();
$str_from = array('<font color="hl_', '</font>', '<code>', '</code>','[', ']', '.');
$str_to = array('<span class="hl_', '</span>', '', '', '&#91;', '&#93;', '&#46;');
if ($remove_tags)
{
$code = preg_replace('!^<code>[\n\r\s\t]*<font color="#[a-z0-9]+">[\n\r\s\t]*(<font color="#[a-z0-9]+">)&lt;\?php&nbsp;(.*)\?&gt;</font>[\n\r\s\t]*(</font>)[\n\r\s\t]*</code>[\n\r\s\t]*!is', '\1\2\3', $code);
}
else
{
$code = preg_replace('!^<code>[\n\r\s\t]*<font color="#[a-z0-9]+">[\n\r\s\t]*(.*)</font>[\n\r\s\t]*</code>[\n\r\s\t]*!is', '\1', $code);
$str_from[] = '<span class="hl_default">&lt;?php&nbsp;</span>';
$str_to[] = '';
$str_from[] = '<span class="hl_default">?&gt;</span>';
$str_to[] = '';
}
$str_from = array('[', ']', '.');
$str_to = array('&#91;', '&#93;', '&#46;');
$code = str_replace($str_from, $str_to, $code);
$code = preg_replace('#^(<span class="[a-z_]+">)\n?(.*?)\n?(</span>)$#is', '\1\2\3', $code);
$out .= "[code=$stx:" . $this->bbcode_uid . ']' . str_replace($str_from, $str_to, $code) . '[/code:' . $this->bbcode_uid . ']';
break;
$out .= "[code=$stx:" . $this->bbcode_uid . ']' . $code . '[/code:' . $this->bbcode_uid . ']';
break;
default:
$str_from = array('<', '>', '[', ']', '.');
$str_to = array('&lt;', '&gt;', '&#91;', '&#93;', '&#46;');
$out .= '[code:' . $this->bbcode_uid . ']' . str_replace($str_from, $str_to, $code) . '[/code:' . $this->bbcode_uid . ']';
$out .= '[code:' . $this->bbcode_uid . ']' . trim(str_replace($str_from, $str_to, $code)) . '[/code:' . $this->bbcode_uid . ']';
}
if (preg_match('#(.*?)\[code(?:=[a-z]+)?\](.+)#is', $in, $m))
@ -429,11 +438,13 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
// Expects the argument to start with a tag
function bbcode_quote($in)
{
global $config, $user;
$tok = ']';
$out = '[';
$in = substr(stripslashes($in), 1);
$close_tags = array();
$close_tags = $error_ary = array();
$buffer = '';
do
@ -458,19 +469,30 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
{
// we have found a closing tag
$tag = array_pop($close_tags);
$out .= $tag . ']';
$out .= array_pop($close_tags) . ']';
$tok = '[';
$buffer = '';
}
elseif (preg_match('#^quote(?:="(.*?)")?$#is', $buffer, $m))
{
// the buffer holds a valid opening tag
if ($config['max_quote_depth'] && count($close_tags) >= $config['max_quote_depth'])
{
// there are too many nested quotes
$error_ary['quote_depth'] = $user->lang['QUOTE_DEPTH_EXCEEDED'];
$out .= $buffer . $tok;
$tok = '[]';
$buffer = '';
continue;
}
array_push($close_tags, '/quote:' . $this->bbcode_uid);
if (!empty($m[1]))
{
// here we can check for valid bbcode pairs or whatever
// TODO: here we can check for valid bbcode pairs or whatever
$username = $m[1];
$out .= 'quote="' . $username . '":' . $this->bbcode_uid . ']';
}
@ -508,6 +530,11 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
$out .= '[' . implode('][', $close_tags) . ']';
}
foreach ($error_ary as $error_msg)
{
$this->warn_msg[] = $error_msg;
}
return $out;
}
@ -522,7 +549,7 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
function validate_url($var1, $var2)
{
$url = (empty($var1)) ? stripslashes($var2) : stripslashes($var1);
$url = (!empty($var1)) ? stripslashes($var1) : stripslashes($var2);
// Put validation regexps here
$valid = FALSE;
@ -532,9 +559,9 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
}
if ($valid)
{
return (empty($var1)) ? '[url:' . $this->bbcode_uid . ']' . $url . '[/url:' . $this->bbcode_uid . ']' : "[url=$url:" . $this->bbcode_uid . ']' . stripslashes($var2) . '[/url:' . $this->bbcode_uid . ']';
return (empty($url)) ? '[url:' . $this->bbcode_uid . ']' . $url . '[/url:' . $this->bbcode_uid . ']' : "[url=$url:" . $this->bbcode_uid . ']' . stripslashes($var2) . '[/url:' . $this->bbcode_uid . ']';
}
return '[url' . $var1 . ']' . stripslashes($var2) . '[/url]';
return '[url' . ((!empty($var1)) ? '=' . stripslashes($var1) : '') . ']' . stripslashes($var2) . '[/url]';
}
// Replace magic urls of form http://xxx.xxx., www.xxx. and xxx@xxx.xxx.
@ -593,8 +620,6 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
$this->message = preg_replace($match, $replace, ' ' . $this->message . ' ');
}
$db->sql_freeresult($result);
return;
}
function parse_attachments($mode, $post_id, $submit, $preview, $refresh)
@ -726,7 +751,10 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
}
}
return ($error);
foreach ($error as $error_msg)
{
$this->warn_msg[] = $error_msg;
}
}
// Parse Poll
@ -734,9 +762,6 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
{
global $auth, $forum_id, $user, $config;
// poll_options, poll_options_size
$err_msg = '';
// Process poll options
if (!empty($poll_data['poll_option_text']) &&
(($auth->acl_get('f_poll', $forum_id) && !$poll_data['poll_last_vote']) ||
@ -744,7 +769,7 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
{
if (($result = $this->parse($poll_data['poll_option_text'], $poll_data['enable_html'], $poll_data['enable_bbcode'], $poll_data['bbcode_uid'], $poll_data['enable_urls'], $poll_data['enable_smilies'], false)) != '')
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $result;
$this->warn_msg[] = $result;
}
$poll['poll_options'] = explode("\n", trim($poll_data['poll_option_text']));
@ -752,15 +777,15 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
if (sizeof($poll['poll_options']) == 1)
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['TOO_FEW_POLL_OPTIONS'];
$this->warn_msg[] = $user->lang['TOO_FEW_POLL_OPTIONS'];
}
else if (sizeof($poll['poll_options']) > intval($config['max_poll_options']))
elseif (sizeof($poll['poll_options']) > intval($config['max_poll_options']))
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['TOO_MANY_POLL_OPTIONS'];
$this->warn_msg[] = $user->lang['TOO_MANY_POLL_OPTIONS'];
}
else if (sizeof($poll['poll_options']) < $poll['poll_options_size'])
elseif (sizeof($poll['poll_options']) < $poll['poll_options_size'])
{
$err_msg .= ((!empty($err_msg)) ? '<br />' : '') . $user->lang['NO_DELETE_POLL_OPTIONS'];
$this->warn_msg[] = $user->lang['NO_DELETE_POLL_OPTIONS'];
}
$poll['poll_title'] = (!empty($poll_data['poll_title'])) ? trim(htmlspecialchars(strip_tags($poll_data['poll_title']))) : '';
@ -769,8 +794,6 @@ echo "<pre><hr>processing <b>$username</b><hr></pre>";
$poll['poll_start'] = $poll_data['poll_start'];
$poll['poll_max_options'] = ($poll_data['poll_max_options'] < 1) ? 1 : (($poll_data['poll_max_options'] > $config['max_poll_options']) ? $config['max_poll_options'] : $poll_data['poll_max_options']);
return $err_msg;
}
}