/
Post.subs.php
1695 lines (1489 loc) · 56 KB
/
Post.subs.php
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<?php
/**
* This file contains those functions pertaining to posting, and other such
* operations, including sending emails, ims, blocking spam, preparsing posts,
* spell checking, and the post box.
*
* @name ElkArte Forum
* @copyright ElkArte Forum contributors
* @license BSD http://opensource.org/licenses/BSD-3-Clause
*
* This software is a derived product, based on:
*
* Simple Machines Forum (SMF)
* copyright: 2011 Simple Machines (http://www.simplemachines.org)
* license: BSD, See included LICENSE.TXT for terms and conditions.
*
* @version 1.0 Release Candidate 1
*
*/
if (!defined('ELK'))
die('No access...');
/**
* Takes a message and parses it, returning the prepared message as a referance.
*
* - Cleans up links (javascript, etc.) and code/quote sections.
* - Won't convert \n's and a few other things if previewing is true.
*
* @package Posts
* @param string $message
* @param boolean $previewing
*/
function preparsecode(&$message, $previewing = false)
{
global $user_info;
// This line makes all languages *theoretically* work even with the wrong charset ;).
$message = preg_replace('~&#(\d{4,5}|[2-9]\d{2,4}|1[2-9]\d);~', '&#$1;', $message);
// Clean up after nobbc ;).
$message = preg_replace_callback('~\[nobbc\](.+?)\[/nobbc\]~i', 'preparsecode_nobbc_callback', $message);
// Remove \r's... they're evil!
$message = strtr($message, array("\r" => ''));
// You won't believe this - but too many periods upsets apache it seems!
$message = preg_replace('~\.{100,}~', '...', $message);
// Trim off trailing quotes - these often happen by accident.
while (substr($message, -7) == '[quote]')
$message = substr($message, 0, -7);
while (substr($message, 0, 8) == '[/quote]')
$message = substr($message, 8);
// Find all code blocks, work out whether we'd be parsing them, then ensure they are all closed.
$in_tag = false;
$had_tag = false;
$codeopen = 0;
if (preg_match_all('~(\[(/)*code(?:=[^\]]+)?\])~is', $message, $matches))
foreach ($matches[0] as $index => $dummy)
{
// Closing?
if (!empty($matches[2][$index]))
{
// If it's closing and we're not in a tag we need to open it...
if (!$in_tag)
$codeopen = true;
// Either way we ain't in one any more.
$in_tag = false;
}
// Opening tag...
else
{
$had_tag = true;
// If we're in a tag don't do nought!
if (!$in_tag)
$in_tag = true;
}
}
// If we have an open tag, close it.
if ($in_tag)
$message .= '[/code]';
// Open any ones that need to be open, only if we've never had a tag.
if ($codeopen && !$had_tag)
$message = '[code]' . $message;
// Now that we've fixed all the code tags, let's fix the img and url tags...
$parts = preg_split('~(\[/code\]|\[code(?:=[^\]]+)?\])~i', $message, -1, PREG_SPLIT_DELIM_CAPTURE);
// The regular expression non breaking space.
$non_breaking_space = '\x{A0}';
// Only mess with stuff outside [code] tags.
for ($i = 0, $n = count($parts); $i < $n; $i++)
{
// It goes 0 = outside, 1 = begin tag, 2 = inside, 3 = close tag, repeat.
if ($i % 4 == 0)
{
fixTags($parts[$i]);
// Replace /me.+?\n with [me=name]dsf[/me]\n.
if (preg_match('~[\[\]\\"]~', $user_info['name']) !== false)
{
$parts[$i] = preg_replace('~(\A|\n)/me(?: | )([^\n]*)(?:\z)?~i', '$1[me="' . $user_info['name'] . '"]$2[/me]', $parts[$i]);
$parts[$i] = preg_replace('~(\[footnote\])/me(?: | )([^\n]*?)(\[\/footnote\])~i', '$1[me="' . $user_info['name'] . '"]$2[/me]$3', $parts[$i]);
}
else
{
$parts[$i] = preg_replace('~(\A|\n)/me(?: | )([^\n]*)(?:\z)?~i', '$1[me=' . $user_info['name'] . ']$2[/me]', $parts[$i]);
$parts[$i] = preg_replace('~(\[footnote\])/me(?: | )([^\n]*?)(\[\/footnote\])~i', '$1[me=' . $user_info['name'] . ']$2[/me]$3', $parts[$i]);
}
if (!$previewing && strpos($parts[$i], '[html]') !== false)
{
if (allowedTo('admin_forum'))
$parts[$i] = preg_replace_callback('~\[html\](.+?)\[/html\]~is', 'preparsecode_html_callback', $parts[$i]);
// We should edit them out, or else if an admin edits the message they will get shown...
else
{
while (strpos($parts[$i], '[html]') !== false)
$parts[$i] = preg_replace('~\[[/]?html\]~i', '', $parts[$i]);
}
}
// Make sure all tags are lowercase.
$parts[$i] = preg_replace_callback('~\[([/]?)(list|li|table|tr|td|th)((\s[^\]]+)*)\]~i', 'preparsecode_lowertags_callback', $parts[$i]);
$list_open = substr_count($parts[$i], '[list]') + substr_count($parts[$i], '[list ');
$list_close = substr_count($parts[$i], '[/list]');
if ($list_close - $list_open > 0)
$parts[$i] = str_repeat('[list]', $list_close - $list_open) . $parts[$i];
if ($list_open - $list_close > 0)
$parts[$i] = $parts[$i] . str_repeat('[/list]', $list_open - $list_close);
$mistake_fixes = array(
// Find [table]s not followed by [tr].
'~\[table\](?![\s' . $non_breaking_space . ']*\[tr\])~su' => '[table][tr]',
// Find [tr]s not followed by [td] or [th]
'~\[tr\](?![\s' . $non_breaking_space . ']*\[t[dh]\])~su' => '[tr][td]',
// Find [/td] and [/th]s not followed by something valid.
'~\[/t([dh])\](?![\s' . $non_breaking_space . ']*(?:\[t[dh]\]|\[/tr\]|\[/table\]))~su' => '[/t$1][/tr]',
// Find [/tr]s not followed by something valid.
'~\[/tr\](?![\s' . $non_breaking_space . ']*(?:\[tr\]|\[/table\]))~su' => '[/tr][/table]',
// Find [/td] [/th]s incorrectly followed by [/table].
'~\[/t([dh])\][\s' . $non_breaking_space . ']*\[/table\]~su' => '[/t$1][/tr][/table]',
// Find [table]s, [tr]s, and [/td]s (possibly correctly) followed by [td].
'~\[(table|tr|/td)\]([\s' . $non_breaking_space . ']*)\[td\]~su' => '[$1]$2[_td_]',
// Now, any [td]s left should have a [tr] before them.
'~\[td\]~s' => '[tr][td]',
// Look for [tr]s which are correctly placed.
'~\[(table|/tr)\]([\s' . $non_breaking_space . ']*)\[tr\]~su' => '[$1]$2[_tr_]',
// Any remaining [tr]s should have a [table] before them.
'~\[tr\]~s' => '[table][tr]',
// Look for [/td]s followed by [/tr].
'~\[/td\]([\s' . $non_breaking_space . ']*)\[/tr\]~su' => '[/td]$1[_/tr_]',
// Any remaining [/tr]s should have a [/td].
'~\[/tr\]~s' => '[/td][/tr]',
// Look for properly opened [li]s which aren't closed.
'~\[li\]([^\[\]]+?)\[li\]~s' => '[li]$1[_/li_][_li_]',
'~\[li\]([^\[\]]+?)\[/list\]~s' => '[_li_]$1[_/li_][/list]',
'~\[li\]([^\[\]]+?)$~s' => '[li]$1[/li]',
// Lists - find correctly closed items/lists.
'~\[/li\]([\s' . $non_breaking_space . ']*)\[/list\]~su' => '[_/li_]$1[/list]',
// Find list items closed and then opened.
'~\[/li\]([\s' . $non_breaking_space . ']*)\[li\]~su' => '[_/li_]$1[_li_]',
// Now, find any [list]s or [/li]s followed by [li].
'~\[(list(?: [^\]]*?)?|/li)\]([\s' . $non_breaking_space . ']*)\[li\]~su' => '[$1]$2[_li_]',
// Allow for sub lists.
'~\[/li\]([\s' . $non_breaking_space . ']*)\[list\]~u' => '[_/li_]$1[list]',
'~\[/list\]([\s' . $non_breaking_space . ']*)\[li\]~u' => '[/list]$1[_li_]',
// Any remaining [li]s weren't inside a [list].
'~\[li\]~' => '[list][li]',
// Any remaining [/li]s weren't before a [/list].
'~\[/li\]~' => '[/li][/list]',
// Put the correct ones back how we found them.
'~\[_(li|/li|td|tr|/tr)_\]~' => '[$1]',
// Images with no real url.
'~\[img\]https?://.{0,7}\[/img\]~' => '',
// Font tags with multiple fonts (copy&paste in the WYSIWYG by some browsers).
'~\[font=\\\'?(.*?)\\\'?(?=\,).*\](.*?(?:\[/font\]))~' => '[font=$1]$2',
);
// Fix up some use of tables without [tr]s, etc. (it has to be done more than once to catch it all.)
for ($j = 0; $j < 3; $j++)
$parts[$i] = preg_replace(array_keys($mistake_fixes), $mistake_fixes, $parts[$i]);
// Remove empty bbc from the sections outside the code tags
$parts[$i] = preg_replace('~\[[bisu]\]\s*\[/[bisu]\]~', '', $parts[$i]);
$parts[$i] = preg_replace('~\[quote\]\s*\[/quote\]~', '', $parts[$i]);
// Fix color tags of many forms so they parse properly
$parts[$i] = preg_replace('~\[color=(?:#[\da-fA-F]{3}|#[\da-fA-F]{6}|[A-Za-z]{1,20}|rgb\(\d{1,3}, ?\d{1,3}, ?\d{1,3}\))\]\s*\[/color\]~', '', $parts[$i]);
}
call_integration_hook('integrate_preparse_code', array(&$parts[$i], $i, $previewing));
}
// Put it back together!
if (!$previewing)
$message = strtr(implode('', $parts), array(' ' => ' ', "\n" => '<br />', "\xC2\xA0" => ' '));
else
$message = strtr(implode('', $parts), array(' ' => ' ', "\xC2\xA0" => ' '));
// Now we're going to do full scale table checking...
$message = preparsetable($message);
// Now let's quickly clean up things that will slow our parser (which are common in posted code.)
$message = strtr($message, array('[]' => '[]', '['' => '[''));
}
/**
* Validates and corrects table structure
*
* What it does
* - Checks tables for correct tag order / nesting
* - Adds in missing closing tags, removes excess closing tags
* - Although it prevents markup error, it can mess-up the intended (abiet wrong) layout
* driving the post author in to a furious rage
*
* @param string $message
*/
function preparsetable($message)
{
$table_check = $message;
$table_offset = 0;
$table_array = array();
// Define the allowable tags after a give tag
$table_order = array(
'table' => 'td',
'table' => 'th',
'tr' => 'table',
'td' => 'tr',
'th' => 'tr',
);
// Find all closing tags (/table /tr /td etc)
while (preg_match('~\[(/)*(table|tr|td|th)\]~', $table_check, $matches) != false)
{
// Keep track of where this is.
$offset = strpos($table_check, $matches[0]);
$remove_tag = false;
// Is it opening?
if ($matches[1] != '/')
{
// If the previous table tag isn't correct simply remove it.
if ((!empty($table_array) && $table_array[0] != $table_order[$matches[2]]) || (empty($table_array) && $matches[2] != 'table'))
$remove_tag = true;
// Record this was the last tag.
else
array_unshift($table_array, $matches[2]);
}
// Otherwise is closed!
else
{
// Only keep the tag if it's closing the right thing.
if (empty($table_array) || ($table_array[0] != $matches[2]))
$remove_tag = true;
else
array_shift($table_array);
}
// Removing?
if ($remove_tag)
{
$message = substr($message, 0, $table_offset + $offset) . substr($message, $table_offset + strlen($matches[0]) + $offset);
// We've lost some data.
$table_offset -= strlen($matches[0]);
}
// Remove everything up to here.
$table_offset += $offset + strlen($matches[0]);
$table_check = substr($table_check, $offset + strlen($matches[0]));
}
// Close any remaining table tags.
foreach ($table_array as $tag)
$message .= '[/' . $tag . ']';
return $message;
}
/**
* Ensure tags inside of nobbc do not get parsed by converting the markers to html entities
*
* @package Posts
* @param string[] $matches
*/
function preparsecode_nobbc_callback($matches)
{
return '[nobbc]' . strtr($matches[1], array('[' => '[', ']' => ']', ':' => ':', '@' => '@')) . '[/nobbc]';
}
/**
* Prepares text inside of html tags to make them safe for display and prevent bbc rendering
*
* @package Posts
* @param string[] $matches
*/
function preparsecode_html_callback($matches)
{
return '[html]' . strtr(un_htmlspecialchars($matches[1]), array("\n" => ' ', ' ' => '  ', '[' => '[', ']' => ']')) . '[/html]';
}
/**
* Takes a tag and lowercases it
*
* @package Posts
* @param string[] $matches
*/
function preparsecode_lowertags_callback($matches)
{
return '[' . $matches[1] . strtolower($matches[2]) . $matches[3] . ']';
}
/**
* This is very simple, and just removes things done by preparsecode.
*
* @package Posts
* @param string $message
*/
function un_preparsecode($message)
{
$parts = preg_split('~(\[/code\]|\[code(?:=[^\]]+)?\])~i', $message, -1, PREG_SPLIT_DELIM_CAPTURE);
// We're going to unparse only the stuff outside [code]...
for ($i = 0, $n = count($parts); $i < $n; $i++)
{
// If $i is a multiple of four (0, 4, 8, ...) then it's not a code section...
if ($i % 4 == 0)
$parts[$i] = preg_replace_callback('~\[html\](.+?)\[/html\]~i', 'preparsecode_unhtml_callback', $parts[$i]);
call_integration_hook('integrate_unpreparse_code', array(&$message, &$parts, &$i));
}
// Change breaks back to \n's and &nsbp; back to spaces.
return preg_replace('~<br( /)?' . '>~', "\n", str_replace(' ', ' ', implode('', $parts)));
}
/**
* Reverses what was done by preparsecode to html tags
*
* @package Posts
* @param string[] $matches
*/
function preparsecode_unhtml_callback($matches)
{
return '[html]' . strtr(htmlspecialchars($matches[1], ENT_QUOTES, 'UTF-8'), array('\\"' => '"', '&#13;' => '<br />', '&#32;' => ' ', '&#91;' => '[', '&#93;' => ']')) . '[/html]';
}
/**
* Fix any URLs posted - ie. remove 'javascript:'.
*
* - Used by preparsecode, fixes links in message and returns nothing.
*
* @package Posts
* @param string $message
*/
function fixTags(&$message)
{
global $modSettings;
// WARNING: Editing the below can cause large security holes in your forum.
// Edit only if you are sure you know what you are doing.
$fixArray = array(
// [img]http://...[/img] or [img width=1]http://...[/img]
array(
'tag' => 'img',
'protocols' => array('http', 'https'),
'embeddedUrl' => false,
'hasEqualSign' => false,
'hasExtra' => true,
),
// [url]http://...[/url]
array(
'tag' => 'url',
'protocols' => array('http', 'https'),
'embeddedUrl' => true,
'hasEqualSign' => false,
),
// [url=http://...]name[/url]
array(
'tag' => 'url',
'protocols' => array('http', 'https'),
'embeddedUrl' => true,
'hasEqualSign' => true,
),
// [iurl]http://...[/iurl]
array(
'tag' => 'iurl',
'protocols' => array('http', 'https'),
'embeddedUrl' => true,
'hasEqualSign' => false,
),
// [iurl=http://...]name[/iurl]
array(
'tag' => 'iurl',
'protocols' => array('http', 'https'),
'embeddedUrl' => true,
'hasEqualSign' => true,
),
);
call_integration_hook('integrate_fixtags', array(&$fixArray, &$message));
// Fix each type of tag.
foreach ($fixArray as $param)
fixTag($message, $param['tag'], $param['protocols'], $param['embeddedUrl'], $param['hasEqualSign'], !empty($param['hasExtra']));
// Now fix possible security problems with images loading links automatically...
$message = preg_replace_callback('~(\[img.*?\])(.+?)\[/img\]~is', 'fixTags_img_callback', $message);
// Limit the size of images posted?
if (!empty($modSettings['max_image_width']) || !empty($modSettings['max_image_height']))
resizeBBCImages($message);
}
/**
* Ensure image tags do not load anything by themselfs (security)
*
* @package Posts
* @param string[] $matches
*/
function fixTags_img_callback($matches)
{
return $matches[1] . preg_replace('~action(=|%3d)(?!dlattach)~i', 'action-', $matches[2]) . '[/img]';
}
/**
* Fix a specific class of tag - ie. url with =.
*
* - Used by fixTags, fixes a specific tag's links.
*
* @package Posts
* @param string $message
* @param string $myTag - the tag
* @param string $protocols - http or ftp
* @param bool $embeddedUrl = false - whether it *can* be set to something
* @param bool $hasEqualSign = false, whether it *is* set to something
* @param bool $hasExtra = false - whether it can have extra cruft after the begin tag.
*/
function fixTag(&$message, $myTag, $protocols, $embeddedUrl = false, $hasEqualSign = false, $hasExtra = false)
{
global $boardurl, $scripturl;
if (preg_match('~^([^:]+://[^/]+)~', $boardurl, $match) != 0)
$domain_url = $match[1];
else
$domain_url = $boardurl . '/';
$replaces = array();
if ($hasEqualSign)
preg_match_all('~\[(' . $myTag . ')=([^\]]*?)\](?:(.+?)\[/(' . $myTag . ')\])?~is', $message, $matches);
else
preg_match_all('~\[(' . $myTag . ($hasExtra ? '(?:[^\]]*?)' : '') . ')\](.+?)\[/(' . $myTag . ')\]~is', $message, $matches);
foreach ($matches[0] as $k => $dummy)
{
// Remove all leading and trailing whitespace.
$replace = trim($matches[2][$k]);
$this_tag = $matches[1][$k];
$this_close = $hasEqualSign ? (empty($matches[4][$k]) ? '' : $matches[4][$k]) : $matches[3][$k];
$found = false;
foreach ($protocols as $protocol)
{
$found = strncasecmp($replace, $protocol . '://', strlen($protocol) + 3) === 0;
if ($found)
break;
}
if (!$found && $protocols[0] == 'http')
{
if (substr($replace, 0, 1) == '/')
$replace = $domain_url . $replace;
elseif (substr($replace, 0, 1) == '?')
$replace = $scripturl . $replace;
elseif (substr($replace, 0, 1) == '#' && $embeddedUrl)
{
$replace = '#' . preg_replace('~[^A-Za-z0-9_\-#]~', '', substr($replace, 1));
$this_tag = 'iurl';
$this_close = 'iurl';
}
else
$replace = $protocols[0] . '://' . $replace;
}
elseif (!$found && $protocols[0] == 'ftp')
$replace = $protocols[0] . '://' . preg_replace('~^(?!ftps?)[^:]+://~', '', $replace);
elseif (!$found)
$replace = $protocols[0] . '://' . $replace;
if ($hasEqualSign && $embeddedUrl)
$replaces[$matches[0][$k]] = '[' . $this_tag . '=' . $replace . ']' . (empty($matches[4][$k]) ? '' : $matches[3][$k] . '[/' . $this_close . ']');
elseif ($hasEqualSign)
$replaces['[' . $matches[1][$k] . '=' . $matches[2][$k] . ']'] = '[' . $this_tag . '=' . $replace . ']';
elseif ($embeddedUrl)
$replaces['[' . $matches[1][$k] . ']' . $matches[2][$k] . '[/' . $matches[3][$k] . ']'] = '[' . $this_tag . '=' . $replace . ']' . $matches[2][$k] . '[/' . $this_close . ']';
else
$replaces['[' . $matches[1][$k] . ']' . $matches[2][$k] . '[/' . $matches[3][$k] . ']'] = '[' . $this_tag . ']' . $replace . '[/' . $this_close . ']';
}
foreach ($replaces as $k => $v)
{
if ($k == $v)
unset($replaces[$k]);
}
if (!empty($replaces))
$message = strtr($message, $replaces);
}
/**
* Updates BBC img tags in a message so that the width / height respect the forum settings.
*
* - Will add the width/height attrib if needed, or update existing ones if they break the rules
*
* @package Posts
* @param string $message
*/
function resizeBBCImages(&$message)
{
global $modSettings;
// We'll need this for image processing
require_once(SUBSDIR . '/Attachments.subs.php');
// Find all the img tags - with or without width and height.
preg_match_all('~\[img(\s+width=\d+)?(\s+height=\d+)?(\s+width=\d+)?\](.+?)\[/img\]~is', $message, $matches, PREG_PATTERN_ORDER);
$replaces = array();
foreach ($matches[0] as $match => $dummy)
{
// If the width was after the height, handle it.
$matches[1][$match] = !empty($matches[3][$match]) ? $matches[3][$match] : $matches[1][$match];
// Now figure out if they had a desired height or width...
$desired_width = !empty($matches[1][$match]) ? (int) substr(trim($matches[1][$match]), 6) : 0;
$desired_height = !empty($matches[2][$match]) ? (int) substr(trim($matches[2][$match]), 7) : 0;
// One was omitted, or both. We'll have to find its real size...
if (empty($desired_width) || empty($desired_height))
{
list ($width, $height) = url_image_size(un_htmlspecialchars($matches[4][$match]));
// They don't have any desired width or height!
if (empty($desired_width) && empty($desired_height))
{
$desired_width = $width;
$desired_height = $height;
}
// Scale it to the width...
elseif (empty($desired_width) && !empty($height))
$desired_width = (int) (($desired_height * $width) / $height);
// Scale if to the height.
elseif (!empty($width))
$desired_height = (int) (($desired_width * $height) / $width);
}
// If the width and height are fine, just continue along...
if ($desired_width <= $modSettings['max_image_width'] && $desired_height <= $modSettings['max_image_height'])
continue;
// Too bad, it's too wide. Make it as wide as the maximum.
if ($desired_width > $modSettings['max_image_width'] && !empty($modSettings['max_image_width']))
{
$desired_height = (int) (($modSettings['max_image_width'] * $desired_height) / $desired_width);
$desired_width = $modSettings['max_image_width'];
}
// Now check the height, as well. Might have to scale twice, even...
if ($desired_height > $modSettings['max_image_height'] && !empty($modSettings['max_image_height']))
{
$desired_width = (int) (($modSettings['max_image_height'] * $desired_width) / $desired_height);
$desired_height = $modSettings['max_image_height'];
}
$replaces[$matches[0][$match]] = '[img' . (!empty($desired_width) ? ' width=' . $desired_width : '') . (!empty($desired_height) ? ' height=' . $desired_height : '') . ']' . $matches[4][$match] . '[/img]';
}
// If any img tags were actually changed...
if (!empty($replaces))
$message = strtr($message, $replaces);
}
/**
* Create a post, either as new topic (id_topic = 0) or in an existing one.
*
* The input parameters of this function assume:
* - Strings have been escaped.
* - Integers have been cast to integer.
* - Mandatory parameters are set.
*
* @package Posts
* @param mixed[] $msgOptions
* @param mixed[] $topicOptions
* @param mixed[] $posterOptions
*/
function createPost(&$msgOptions, &$topicOptions, &$posterOptions)
{
global $user_info, $txt, $modSettings;
$db = database();
// Set optional parameters to the default value.
$msgOptions['icon'] = empty($msgOptions['icon']) ? 'xx' : $msgOptions['icon'];
$msgOptions['smileys_enabled'] = !empty($msgOptions['smileys_enabled']);
$msgOptions['attachments'] = empty($msgOptions['attachments']) ? array() : $msgOptions['attachments'];
$msgOptions['approved'] = isset($msgOptions['approved']) ? (int) $msgOptions['approved'] : 1;
$topicOptions['id'] = empty($topicOptions['id']) ? 0 : (int) $topicOptions['id'];
$topicOptions['poll'] = isset($topicOptions['poll']) ? (int) $topicOptions['poll'] : null;
$topicOptions['lock_mode'] = isset($topicOptions['lock_mode']) ? $topicOptions['lock_mode'] : null;
$topicOptions['sticky_mode'] = isset($topicOptions['sticky_mode']) ? $topicOptions['sticky_mode'] : null;
$topicOptions['redirect_expires'] = isset($topicOptions['redirect_expires']) ? $topicOptions['redirect_expires'] : null;
$topicOptions['redirect_topic'] = isset($topicOptions['redirect_topic']) ? $topicOptions['redirect_topic'] : null;
$posterOptions['id'] = empty($posterOptions['id']) ? 0 : (int) $posterOptions['id'];
$posterOptions['ip'] = empty($posterOptions['ip']) ? $user_info['ip'] : $posterOptions['ip'];
// We need to know if the topic is approved. If we're told that's great - if not find out.
if (!$modSettings['postmod_active'])
$topicOptions['is_approved'] = true;
elseif (!empty($topicOptions['id']) && !isset($topicOptions['is_approved']))
{
$request = $db->query('', '
SELECT approved
FROM {db_prefix}topics
WHERE id_topic = {int:id_topic}
LIMIT 1',
array(
'id_topic' => $topicOptions['id'],
)
);
list ($topicOptions['is_approved']) = $db->fetch_row($request);
$db->free_result($request);
}
// If nothing was filled in as name/email address, try the member table.
if (!isset($posterOptions['name']) || $posterOptions['name'] == '' || (empty($posterOptions['email']) && !empty($posterOptions['id'])))
{
if (empty($posterOptions['id']))
{
$posterOptions['id'] = 0;
$posterOptions['name'] = $txt['guest_title'];
$posterOptions['email'] = '';
}
elseif ($posterOptions['id'] != $user_info['id'])
{
require_once(SUBSDIR . '/Members.subs.php');
$result = getBasicMemberData($posterOptions['id']);
// Couldn't find the current poster?
if (empty($result))
{
trigger_error('createPost(): Invalid member id ' . $posterOptions['id'], E_USER_NOTICE);
$posterOptions['id'] = 0;
$posterOptions['name'] = $txt['guest_title'];
$posterOptions['email'] = '';
}
else
{
$posterOptions['name'] = $result['member_name'];
$posterOptions['email'] = $result['email_address'];
}
}
else
{
$posterOptions['name'] = $user_info['name'];
$posterOptions['email'] = $user_info['email'];
}
}
// It's do or die time: forget any user aborts!
$previous_ignore_user_abort = ignore_user_abort(true);
$new_topic = empty($topicOptions['id']);
$message_columns = array(
'id_board' => 'int', 'id_topic' => 'int', 'id_member' => 'int', 'subject' => 'string-255', 'body' => (!empty($modSettings['max_messageLength']) && $modSettings['max_messageLength'] > 65534 ? 'string-' . $modSettings['max_messageLength'] : (empty($modSettings['max_messageLength']) ? 'string' : 'string-65534')),
'poster_name' => 'string-255', 'poster_email' => 'string-255', 'poster_time' => 'int', 'poster_ip' => 'string-255',
'smileys_enabled' => 'int', 'modified_name' => 'string', 'icon' => 'string-16', 'approved' => 'int',
);
$message_parameters = array(
$topicOptions['board'], $topicOptions['id'], $posterOptions['id'], $msgOptions['subject'], $msgOptions['body'],
$posterOptions['name'], $posterOptions['email'], time(), $posterOptions['ip'],
$msgOptions['smileys_enabled'] ? 1 : 0, '', $msgOptions['icon'], $msgOptions['approved'],
);
// What if we want to do anything with posts?
call_integration_hook('integrate_before_create_post', array(&$msgOptions, &$topicOptions, &$posterOptions, &$message_columns, &$message_parameters));
// Insert the post.
$db->insert('',
'{db_prefix}messages',
$message_columns,
$message_parameters,
array('id_msg')
);
$msgOptions['id'] = $db->insert_id('{db_prefix}messages', 'id_msg');
// Something went wrong creating the message...
if (empty($msgOptions['id']))
return false;
// Fix the attachments.
if (!empty($msgOptions['attachments']))
$db->query('', '
UPDATE {db_prefix}attachments
SET id_msg = {int:id_msg}
WHERE id_attach IN ({array_int:attachment_list})',
array(
'attachment_list' => $msgOptions['attachments'],
'id_msg' => $msgOptions['id'],
)
);
// What if we want to export new posts out to a CMS?
call_integration_hook('integrate_create_post', array($msgOptions, $topicOptions, $posterOptions, $message_columns, $message_parameters));
// Insert a new topic (if the topicID was left empty.)
if ($new_topic)
{
$topic_columns = array(
'id_board' => 'int', 'id_member_started' => 'int', 'id_member_updated' => 'int', 'id_first_msg' => 'int',
'id_last_msg' => 'int', 'locked' => 'int', 'is_sticky' => 'int', 'num_views' => 'int',
'id_poll' => 'int', 'unapproved_posts' => 'int', 'approved' => 'int',
'redirect_expires' => 'int', 'id_redirect_topic' => 'int',
);
$topic_parameters = array(
$topicOptions['board'], $posterOptions['id'], $posterOptions['id'], $msgOptions['id'],
$msgOptions['id'], $topicOptions['lock_mode'] === null ? 0 : $topicOptions['lock_mode'], $topicOptions['sticky_mode'] === null ? 0 : $topicOptions['sticky_mode'], 0,
$topicOptions['poll'] === null ? 0 : $topicOptions['poll'], $msgOptions['approved'] ? 0 : 1, $msgOptions['approved'],
$topicOptions['redirect_expires'] === null ? 0 : $topicOptions['redirect_expires'], $topicOptions['redirect_topic'] === null ? 0 : $topicOptions['redirect_topic'],
);
call_integration_hook('integrate_before_create_topic', array(&$msgOptions, &$topicOptions, &$posterOptions, &$topic_columns, &$topic_parameters));
$db->insert('',
'{db_prefix}topics',
$topic_columns,
$topic_parameters,
array('id_topic')
);
$topicOptions['id'] = $db->insert_id('{db_prefix}topics', 'id_topic');
// The topic couldn't be created for some reason.
if (empty($topicOptions['id']))
{
// We should delete the post that did work, though...
$db->query('', '
DELETE FROM {db_prefix}messages
WHERE id_msg = {int:id_msg}',
array(
'id_msg' => $msgOptions['id'],
)
);
return false;
}
// Fix the message with the topic.
$db->query('', '
UPDATE {db_prefix}messages
SET id_topic = {int:id_topic}
WHERE id_msg = {int:id_msg}',
array(
'id_topic' => $topicOptions['id'],
'id_msg' => $msgOptions['id'],
)
);
// There's been a new topic AND a new post today.
trackStats(array('topics' => '+', 'posts' => '+'));
updateStats('topic', true);
updateStats('subject', $topicOptions['id'], $msgOptions['subject']);
// What if we want to export new topics out to a CMS?
call_integration_hook('integrate_create_topic', array($msgOptions, $topicOptions, $posterOptions));
}
// The topic already exists, it only needs a little updating.
else
{
$update_parameters = array(
'poster_id' => $posterOptions['id'],
'id_msg' => $msgOptions['id'],
'locked' => $topicOptions['lock_mode'],
'is_sticky' => $topicOptions['sticky_mode'],
'id_topic' => $topicOptions['id'],
'counter_increment' => 1,
);
if ($msgOptions['approved'])
$topics_columns = array(
'id_member_updated = {int:poster_id}',
'id_last_msg = {int:id_msg}',
'num_replies = num_replies + {int:counter_increment}',
);
else
$topics_columns = array(
'unapproved_posts = unapproved_posts + {int:counter_increment}',
);
if ($topicOptions['lock_mode'] !== null)
$topics_columns[] = 'locked = {int:locked}';
if ($topicOptions['sticky_mode'] !== null)
$topics_columns[] = 'is_sticky = {int:locked}';
call_integration_hook('integrate_before_modify_topic', array(&$topics_columns, &$update_parameters, &$msgOptions, &$topicOptions, &$posterOptions));
// Update the number of replies and the lock/sticky status.
$db->query('', '
UPDATE {db_prefix}topics
SET
' . implode(', ', $topics_columns) . '
WHERE id_topic = {int:id_topic}',
$update_parameters
);
// One new post has been added today.
trackStats(array('posts' => '+'));
}
// Creating is modifying...in a way.
// @todo id_msg_modified needs to be set when you create a post, now this query is
// the only place it does get set for post creation. Why not set it on the insert?
$db->query('', '
UPDATE {db_prefix}messages
SET id_msg_modified = {int:id_msg}
WHERE id_msg = {int:id_msg}',
array(
'id_msg' => $msgOptions['id'],
)
);
// Increase the number of posts and topics on the board.
if ($msgOptions['approved'])
$db->query('', '
UPDATE {db_prefix}boards
SET num_posts = num_posts + 1' . ($new_topic ? ', num_topics = num_topics + 1' : '') . '
WHERE id_board = {int:id_board}',
array(
'id_board' => $topicOptions['board'],
)
);
else
{
$db->query('', '
UPDATE {db_prefix}boards
SET unapproved_posts = unapproved_posts + 1' . ($new_topic ? ', unapproved_topics = unapproved_topics + 1' : '') . '
WHERE id_board = {int:id_board}',
array(
'id_board' => $topicOptions['board'],
)
);
// Add to the approval queue too.
$db->insert('',
'{db_prefix}approval_queue',
array(
'id_msg' => 'int',
),
array(
$msgOptions['id'],
),
array()
);
}
// Mark inserted topic as read (only for the user calling this function).
if (!empty($topicOptions['mark_as_read']) && !$user_info['is_guest'])
{
// Since it's likely they *read* it before replying, let's try an UPDATE first.
if (!$new_topic)
{
$db->query('', '
UPDATE {db_prefix}log_topics
SET id_msg = {int:id_msg}
WHERE id_member = {int:current_member}
AND id_topic = {int:id_topic}',
array(
'current_member' => $posterOptions['id'],
'id_msg' => $msgOptions['id'],
'id_topic' => $topicOptions['id'],
)
);
$flag = $db->affected_rows() != 0;
}
if (empty($flag))
{
require_once(SUBSDIR . '/Topic.subs.php');
markTopicsRead(array($posterOptions['id'], $topicOptions['id'], $msgOptions['id'], 0), false);
}
}
// If there's a custom search index, it may need updating...
require_once(SUBSDIR . '/Search.subs.php');
$searchAPI = findSearchAPI();
if (is_callable(array($searchAPI, 'postCreated')))
$searchAPI->postCreated($msgOptions, $topicOptions, $posterOptions);
// Increase the post counter for the user that created the post.
if (!empty($posterOptions['update_post_count']) && !empty($posterOptions['id']) && $msgOptions['approved'])
{
// Are you the one that happened to create this post?
if ($user_info['id'] == $posterOptions['id'])
$user_info['posts']++;
updateMemberData($posterOptions['id'], array('posts' => '+'));
}
// They've posted, so they can make the view count go up one if they really want. (this is to keep views >= replies...)
$_SESSION['last_read_topic'] = 0;
// Better safe than sorry.
if (isset($_SESSION['topicseen_cache'][$topicOptions['board']]))
$_SESSION['topicseen_cache'][$topicOptions['board']]--;
// Update all the stats so everyone knows about this new topic and message.
updateStats('message', true, $msgOptions['id']);
// Update the last message on the board assuming it's approved AND the topic is.
if ($msgOptions['approved'])
updateLastMessages($topicOptions['board'], $new_topic || !empty($topicOptions['is_approved']) ? $msgOptions['id'] : 0);
// Alright, done now... we can abort now, I guess... at least this much is done.
ignore_user_abort($previous_ignore_user_abort);
// Success.
return true;
}
/**
* Modifying a post...
*
* @package Posts
* @param mixed[] $msgOptions
* @param mixed[] $topicOptions
* @param mixed[] $posterOptions
*/
function modifyPost(&$msgOptions, &$topicOptions, &$posterOptions)
{
global $user_info, $modSettings;
$db = database();
$topicOptions['poll'] = isset($topicOptions['poll']) ? (int) $topicOptions['poll'] : null;
$topicOptions['lock_mode'] = isset($topicOptions['lock_mode']) ? $topicOptions['lock_mode'] : null;
$topicOptions['sticky_mode'] = isset($topicOptions['sticky_mode']) ? $topicOptions['sticky_mode'] : null;
// This is longer than it has to be, but makes it so we only set/change what we have to.
$messages_columns = array();
if (isset($posterOptions['name']))
$messages_columns['poster_name'] = $posterOptions['name'];
if (isset($posterOptions['email']))
$messages_columns['poster_email'] = $posterOptions['email'];
if (isset($msgOptions['icon']))
$messages_columns['icon'] = $msgOptions['icon'];
if (isset($msgOptions['subject']))
$messages_columns['subject'] = $msgOptions['subject'];
if (isset($msgOptions['body']))
{
$messages_columns['body'] = $msgOptions['body'];
// using a custom search index, then lets get the old message so we can update our index as needed
if (!empty($modSettings['search_custom_index_config']))
{
require_once(SUBSDIR . '/Messages.subs.php');
$message = basicMessageInfo($msgOptions['id'], true);
$msgOptions['old_body'] = $message['body'];
}
}
if (!empty($msgOptions['modify_time']))
{
$messages_columns['modified_time'] = $msgOptions['modify_time'];
$messages_columns['modified_name'] = $msgOptions['modify_name'];
$messages_columns['id_msg_modified'] = $modSettings['maxMsgID'];
}
if (isset($msgOptions['smileys_enabled']))
$messages_columns['smileys_enabled'] = empty($msgOptions['smileys_enabled']) ? 0 : 1;
// Which columns need to be ints?
$messageInts = array('modified_time', 'id_msg_modified', 'smileys_enabled');
$update_parameters = array(
'id_msg' => $msgOptions['id'],
);
call_integration_hook('integrate_before_modify_post', array(&$messages_columns, &$update_parameters, &$msgOptions, &$topicOptions, &$posterOptions, &$messageInts));
foreach ($messages_columns as $var => $val)
{
$messages_columns[$var] = $var . ' = {' . (in_array($var, $messageInts) ? 'int' : 'string') . ':var_' . $var . '}';