www.gusucode.com > serendipity PHP博客系统 v2.3.1PHP源码程序 > serendipity PHP博客系统 v2.3.1/Serendipity2.3.1/Serendipity-2.3.1/include/functions_comments.inc.php
<?php
# Copyright (c) 2003-2005, Jannis Hermanns (on behalf the Serendipity Developer Team)
# All rights reserved. See LICENSE file for licensing details
if (IN_serendipity !== true) {
die ("Don't hack!");
}
/**
* Check if a comment token (from comment notification email) is valid for a given comment id.
*
* @param string The Token
* @param int The comment id
* @access public
* @return bool
*/
function serendipity_checkCommentToken($token, $cid) {
global $serendipity;
$goodtoken = false;
if ($serendipity['useCommentTokens']) {
// Delete any comment tokens older than 1 week.
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}options
WHERE okey LIKE 'comment_%' AND name < " . (time() - 604800) );
// Get the token for this comment id
$tokencheck = serendipity_db_query("SELECT * FROM {$serendipity['dbPrefix']}options
WHERE okey = 'comment_" . (int)$cid . "' LIMIT 1", true, 'assoc');
// Verify it against the passed key
if (is_array($tokencheck)) {
if ($tokencheck['value'] == $token) {
$goodtoken = true; // use this to bypass security checks later
// if using tokens, delete this comment from that list no matter how we got here
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}options
WHERE okey = 'comment_" . (int)$cid . "'");
}
}
}
return $goodtoken;
}
/**
* Check if a comment token was submitted to the serendipity main framework.
* This function can kill the workflow completely, if moderation was wanted.
*
* @param string The current base URI
* @access public
* @return null
*/
function serendipity_checkCommentTokenModeration($uri) {
global $serendipity;
// token based comment moderation starts here
if ($serendipity['useCommentTokens'] === true && preg_match(PAT_DELETE, $uri, $res)) {
$return_msg = "Error.\n";
$tokenparse = explode("_",$res[1]);
// check that we got a 32 char token
if (is_array($tokenparse)) {
if (strlen($tokenparse[2]) == 32) {
if ($tokenparse[0] == 'comment') {
if (serendipity_deleteComment($res[2], $res[3], 'comments', $tokenparse[2])) {
$return_msg = sprintf (COMMENT_DELETED, $res[2])."\n";
} else {
$return_msg = sprintf (COMMENT_NOTOKENMATCH, $res[2])."\n";
}
} elseif ($tokenparse[0] == 'trackback') {
if (serendipity_deleteComment($res[2], $res[3], 'trackbacks', $tokenparse[2])) {
$return_msg = sprintf (TRACKBACK_DELETED, $res[2])."\n";
} else {
$return_msg = sprintf (TRACKBACK_NOTOKENMATCH, $res[2])."\n";
}
}
} else {
$return_msg = sprintf (BADTOKEN)."\n";
}
header('Content-Type: text/plain; charset='. LANG_CHARSET);
die($return_msg);
}
}
if ($serendipity['useCommentTokens'] === true && preg_match(PAT_APPROVE, $uri, $res)) {
$return_msg = "Error.\n";
$tokenparse = explode("_",$res[1]);
// check that we got a 32 char token
if (is_array($tokenparse)) {
if (strlen($tokenparse[2]) == 32) {
if ($tokenparse[0] == 'comment') {
if (serendipity_approveComment($res[2], $res[3], false, false, $tokenparse[2])) {
$return_msg = sprintf (COMMENT_APPROVED, $res[2])."\n";
} else {
$return_msg = sprintf (COMMENT_NOTOKENMATCH, $res[2])."\n";
}
} elseif ($tokenparse[0] == 'trackback') {
if (serendipity_approveComment($res[2], $res[3], false, false, $tokenparse[2])) {
$return_msg = sprintf (TRACKBACK_APPROVED, $res[2])."\n";
} else {
$return_msg = sprintf (TRACKBACK_NOTOKENMATCH, $res[2])."\n";
}
}
} else {
$return_msg = sprintf (BADTOKEN)."\n";
}
header('Content-Type: text/plain; charset='. LANG_CHARSET);
die($return_msg);
}
}
}
/**
* Store the personal details of a commenting user in a cookie (or delete that cookie)
*
* @access public
* @return null
*/
function serendipity_rememberComment() {
global $serendipity;
if (isset($serendipity['POST']['remember'])) {
serendipity_rememberCommentDetails(
array(
'url' => $serendipity['POST']['url'],
'name' => $serendipity['POST']['name'],
'email' => $serendipity['POST']['email'],
'remember' => 'checked="checked"'
)
);
} elseif (isset($serendipity['POST']['comment'])) {
serendipity_forgetCommentDetails(array('url', 'name', 'email', 'remember'));
}
}
/**
* Store all options of an array within a permanent cookie
*
* @access public
* @param array input array
* @return null
*/
function serendipity_rememberCommentDetails($details) {
global $serendipity;
foreach ($details as $n => $v) {
serendipity_setCookie($n, $v);
}
}
/**
* Purge stored options from a permanent cookie
*
* LONG
*
* @access public
* @param array Array of key names that shall be deleted inside cookies
* @return null
*/
function serendipity_forgetCommentDetails($keys) {
global $serendipity;
if (!$serendipity['COOKIE']) {
return;
}
foreach ($keys AS $n) {
serendipity_deleteCookie($n);
}
}
/**
* Display the Comment form for entries
*
* @access public
* @param int The EntryID to show the commentform for
* @param string The URL that acts as the target of the HTML Form
* @param array Array of existing comments to this entry
* @param array Array of personal details data (i.e. from Cookie or POST input)
* @param boolean Toggle whether to show extended options of the comment form
* @param boolean Toggle whether comments to this entry are allowed
* @param array The data of the entry that the comment is referring to
* @return null
*/
function serendipity_displayCommentForm($id, $url = '', $comments = NULL, $data = NULL, $showToolbar = true, $moderate_comments = true, $entry = null) {
global $serendipity;
if ($comments == NULL) {
if (empty($id)) {
$comments = array();
} else {
$comments = serendipity_fetchComments($id);
}
}
$commentform_data = array(
'commentform_action' => $url,
'commentform_id' => (int)$id,
'commentform_name' => isset($data['name']) ? serendipity_specialchars($data['name']) : (isset($serendipity['COOKIE']['name']) ? serendipity_specialchars($serendipity['COOKIE']['name']) : ''),
'commentform_email' => isset($data['email']) ? serendipity_specialchars($data['email']) : (isset($serendipity['COOKIE']['email']) ? serendipity_specialchars($serendipity['COOKIE']['email']) : ''),
'commentform_url' => isset($data['url']) ? serendipity_specialchars($data['url']) : (isset($serendipity['COOKIE']['url']) ? serendipity_specialchars($serendipity['COOKIE']['url']) : ''),
'commentform_remember' => isset($data['remember']) ? 'checked="checked"' : (isset($serendipity['COOKIE']['remember']) ? 'checked="checked"' : ''),
'commentform_replyTo' => serendipity_generateCommentList($id, $comments, ((isset($data['replyTo']) && ($data['replyTo'])) ? $data['replyTo'] : 0)),
'commentform_subscribe' => isset($data['subscribe']) ? 'checked="checked"' : '',
'commentform_data' => isset($data['comment']) ? serendipity_specialchars($data['comment']) : '',
'is_commentform_showToolbar' => $showToolbar,
'is_allowSubscriptions' => (serendipity_db_bool($serendipity['allowSubscriptions']) || $serendipity['allowSubscriptions'] === 'fulltext' ? true : false),
'is_moderate_comments' => $moderate_comments,
'commentform_entry' => $entry
);
$serendipity['smarty']->assign($commentform_data);
serendipity_smarty_fetch('COMMENTFORM', 'commentform.tpl');
}
/**
* Fetch an array of comments to a specific entry id
*
* @access public
* @param int The Entry ID to fetch comments for
* @param int How many comments to fetch (empty: all)
* @param string How shall comments be ordered (ASC|DESC)
* @param boolean Shall non-approved comments be displayed?
* @param string Comment type to fetch
* @return array The SQL result of comments
*/
function serendipity_fetchComments($id, $limit = null, $order = '', $showAll = false, $type = 'NORMAL', $where = '') {
global $serendipity;
$and = '';
if (!empty($limit)) {
$limit = serendipity_db_limit_sql($limit);
} else {
$limit = '';
}
if ($type == 'comments' || empty($type)) {
$type = 'NORMAL';
} elseif ($type == 'trackbacks') {
$type = 'TRACKBACK';
} elseif ($type == 'pingbacks') {
$type = 'PINGBACK';
} elseif ($type == 'comments_and_trackbacks') {
$type = '%';
}
if (!empty($id)) {
$and .= " AND co.entry_id = '" . (int)$id ."'";
}
if (!$showAll) {
$and .= ' AND co.status = \'approved\'';
}
$and .= $where;
if ($serendipity['dbType'] == 'postgres' ||
$serendipity['dbType'] == 'pdo-postgres') {
$group = '';
$distinct = 'DISTINCT';
} else {
$group = 'GROUP BY co.id';
$distinct = '';
}
$query = "SELECT $distinct
co.id,
co.entry_id, co.timestamp, co.title AS ctitle, co.email, co.url, co.ip, co.body, co.type, co.subscribed,
co.author,
e.title,
e.timestamp AS entrytimestamp,
e.id AS entryid,
e.authorid,
e.author as entryauthor,
co.id AS commentid,
co.parent_id AS parent_id,
co.status
FROM
{$serendipity['dbPrefix']}comments AS co
LEFT JOIN {$serendipity['dbPrefix']}entries AS e ON (co.entry_id = e.id)
WHERE co.type LIKE '" . $type . "' AND co.entry_id > 0 $and
$group
ORDER BY
" . (empty($order) ? 'co.id' : $order) . "
$limit";
$comments = serendipity_db_query($query, false, 'assoc');
if (!is_array($comments)) {
$comments = array();
}
$addData = array('id' => $id, 'limit' => $limit, 'order' => $order, 'showAll' => $showAll, 'type' => $type, 'where' => $where);
serendipity_plugin_api::hook_event('fetchcomments', $comments, $addData);
return $comments;
}
/**
* Create a HTML SELECT dropdown field which represents all hierarchical comments
*
* @access public
* @param int The entry ID to show comments for
* @param array The existing comments for this entry
* @param int The ID of the comment that is being referred to (last selection)
* @param int The parent ID of the last comment [for recursive usage]
* @param int The current nesting/hierarchy level [for recursive usage]
* @param string The HTML indention string that gets prepended to a comment [for recursive usage]
* @return string The HTML SELECT code
*/
function serendipity_generateCommentList($id, $comments = NULL, $selected = 0, $parent = 0, $level = 0, $indent = '') {
global $serendipity;
if (!is_array($comments)) {
if (empty($id)) {
$comments = array();
} else {
$comments = serendipity_fetchComments($id);
}
}
$retval = $parent ? '' : '<select id="serendipity_replyTo" onchange="' . (!empty($serendipity['plugindata']['onchange']) ? $serendipity['plugindata']['onchange'] : '') . '" name="serendipity[replyTo]"><option value="0">[ ' . TOP_LEVEL . ' ]</option>';
$i = 0;
foreach ($comments as $comment) {
if ($comment['parent_id'] == $parent) {
$i++;
$retval .= '<option value="' . $comment['id'] . '"'. ($selected == $comment['id'] || (isset($serendipity['POST']['replyTo']) && $comment['id'] == $serendipity['POST']['replyTo']) ? ' selected="selected"' : '') .'>' . str_repeat(' ', $level * 2) . '#' . $indent . $i . ': ' . (empty($comment['author']) ? ANONYMOUS : serendipity_specialchars($comment['author'])) . ' ' . ON . ' ' . serendipity_mb('ucfirst', serendipity_strftime(DATE_FORMAT_SHORT, $comment['timestamp'])) . "</option>\n";
$retval .= serendipity_generateCommentList($id, $comments, $selected, $comment['id'], $level + 1, $indent . $i . '.');
}
}
$retval .= $parent ? '' : '</select>';
return $retval;
}
/**
* Print a list of comments to an entry
*
* @access public
* @param array The list of comments to display
* @param int The parentID of a comment to show. Can contain the constant for VIEWMODE_THREADED/LINEAR. [recursive usage]
* @param int The current nesting depth of a comment [recursive usage]
* @param string A string repesenting the actual comment (1.1.2.1)
* @return string The HTML construct of all comments
*/
function serendipity_printComments($comments, $parentid = 0, $depth = 0, $trace = null, $smarty_block = 'COMMENTS', $smarty_file = 'comments.tpl') {
global $serendipity;
static $_smartyComments;
/* - $_smartyComments holds the ending smarty array.
- $depth is the current depth of the recurrence.
- $i is the position in the current depth. */
if ($parentid === VIEWMODE_THREADED) {
$parentid = 0;
}
/* Wait a second, we just got attacked by a call with level 0,
this must mean we've started over */
if ( $depth == 0 ) {
$_smartyComments = array();
}
$formToken = serendipity_setFormToken('url');
$i = 0;
foreach ($comments as $comment) {
if ($parentid === VIEWMODE_LINEAR || !isset($comment['parent_id']) || $comment['parent_id'] == $parentid) {
$i++;
$comment['comment'] = (is_string($comment['body']) ? serendipity_specialchars(strip_tags($comment['body'])) : '');
$comment['url'] = (is_string($comment['url']) ? strip_tags($comment['url']) : '');
$comment['link_delete'] = $serendipity['baseURL'] . 'comment.php?serendipity[delete]=' . $comment['id'] . '&serendipity[entry]=' . $comment['entry_id'] . '&serendipity[type]=comments&' . $formToken;
/* Fix invalid cases in protocoll part */
if (!empty($comment['url'])) {
$comment['url'] = preg_replace('@^http://@i','http://', $comment['url']);
$comment['url'] = preg_replace('@^https://@i','https://', $comment['url']);
}
/* Fix fucked links */
if (!empty($comment['url']) && substr($comment['url'], 0, 7) != 'http://' && substr($comment['url'], 0, 8) != 'https://') {
$comment['url'] = 'http://' . $comment['url'];
}
if (!empty($comment['url'])) {
if (!@parse_url($comment['url'])) {
$comment['url'] = '';
}
$comment['url'] = serendipity_specialchars($comment['url'], ENT_QUOTES);
}
$addData = array('from' => 'functions_entries:printComments');
serendipity_plugin_api::hook_event('frontend_display', $comment, $addData);
if (isset($comment['no_email']) && $comment['no_email']) {
$comment['email'] = false;
} elseif (!empty($comment['email'])) {
$comment['clear_email'] = $comment['email'];
$comment['email'] = serendipity_specialchars(str_replace('@', '[at]', $comment['email']));
}
$comment['body'] = $comment['comment'];
$comment['pos'] = $i;
$comment['trace'] = $trace . $i;
$comment['depth'] = $depth;
$comment['author'] = serendipity_specialchars($comment['author']);
if (isset($comment['title'])) {
$comment['title'] = serendipity_specialchars($comment['title']);
}
if (serendipity_userLoggedIn()) {
if ($comment['subscribed'] == 'true') {
if ($comment['status'] == 'approved') {
$comment['body'] .= '<div class="serendipity_subscription_on"><em>' . ACTIVE_COMMENT_SUBSCRIPTION . '</em></div>';
} else {
$comment['body'] .= '<div class="serendipity_subscription_pending"><em>' . PENDING_COMMENT_SUBSCRIPTION . '</em></div>';
}
} else {
#$comment['body'] .= '<div class="serendipity_subscription_off"><em>' . NO_COMMENT_SUBSCRIPTION . '</em></div>';
}
}
$_smartyComments[] = $comment;
if ($comment['id'] && $parentid !== VIEWMODE_LINEAR ) {
serendipity_printComments($comments, $comment['id'], ($depth+1), ($trace . $i . '.'), $smarty_block, $smarty_file);
}
}
}
/* We are inside a recusive child, and we need to break out */
if ($depth !== 0) {
return true;
}
$serendipity['smarty']->assignByRef($smarty_block == 'COMMENTS' ? 'comments' : 'trackbacks', $_smartyComments);
unset($_smartyComments);
return serendipity_smarty_fetch($smarty_block, $smarty_file);
}
/**
* Fetches and prints a listing of comments by author
*/
function serendipity_printCommentsByAuthor() {
global $serendipity;
$type = serendipity_db_escape_string($serendipity['GET']['commentMode']);
if ($type == 'comments' || empty($type)) {
$type = 'NORMAL';
} elseif ($type == 'trackbacks') {
$type = 'TRACKBACK';
} elseif ($type == 'comments_and_trackbacks') {
$type = '%';
}
if (!empty($serendipity['GET']['viewCommentAuthor'])) {
$sql_where = " AND co.author = '" . serendipity_db_escape_string($serendipity['GET']['viewCommentAuthor']) . "'";
$group_by = "GROUP BY co.author";
} else {
$sql_where = " AND 1"; // Required fake 'where' condition
$group_by = "";
}
if (!empty($serendipity['GET']['commentStartTime'])) {
$sql_where .= " AND co.timestamp >= " . (int)$serendipity['GET']['commentStartTime'];
}
if (!empty($serendipity['GET']['commentEndTime'])) {
$sql_where .= " AND co.timestamp <= " . (int)$serendipity['GET']['commentEndTime'];
}
if (empty($serendipity['GET']['page'])) {
$serendipity['GET']['page'] = 1;
}
$sql_limit = (int)$serendipity['fetchLimit'] * ((int)$serendipity['GET']['page']-1) . ',' . (int)$serendipity['fetchLimit'];
$c = serendipity_fetchComments(null, $sql_limit, 'co.entry_id DESC, co.id ASC', false, $type, $sql_where);
$entry_comments = array();
foreach($c as $i => $comment) {
if (!isset($entry_comments[$comment['entry_id']])) {
$comment['link'] = serendipity_archiveURL($comment['entry_id'], $comment['title'], 'serendipityHTTPPath', true, array('timestamp' => $comment['entrytimestamp']));
$entry_comments[$comment['entry_id']] = $comment;
}
$entry_comments[$comment['entry_id']]['comments'][] = $comment;
}
foreach($entry_comments AS $entry_id => $_data) {
$entry_comments[$entry_id]['tpl_comments'] = serendipity_printComments($_data['comments'], VIEWMODE_LINEAR, 0, null, 'COMMENTS', 'comments.tpl');
}
$serendipity['smarty']->assignByRef('comments_by_authors', $entry_comments);
if (!empty($id)) {
$and .= " AND co.entry_id = '" . (int)$id ."'";
}
if (!$showAll) {
$and .= ' AND co.status = \'approved\'';
}
$fc = "SELECT count(co.id) AS counter
FROM {$serendipity['dbPrefix']}comments AS co
WHERE co.entry_id > 0
AND co.type LIKE '" . $type . "'
AND co.status = 'approved' " . $sql_where . " "
. $group_by;
$cc = serendipity_db_query($fc, true, 'assoc');
if (!isset($cc['counter'])) {
$totalComments = 0;
} else {
$totalComments = $cc['counter'];
}
serendipity_printEntryFooter('', $totalComments);
serendipity_smarty_fetch('ENTRIES', 'comments_by_author.tpl');
return true;
}
/**
* Delete a specific comment
*
* @access public
* @param int The ID of the comment to delete
* @param int The ID of the entry the comment belongs to [safety]
* @param string The type of a comment (comments/trackback)
* @param string The 32 character token [if using token based moderation]
* @return boolean Return whether the action was successful)
*/
function serendipity_deleteComment($id, $entry_id, $type='comments', $token=false) {
global $serendipity;
$id = (int)$id;
$entry_id = (int)$entry_id;
if ($id < 1 OR $entry_id < 1) {
return false;
}
$goodtoken = serendipity_checkCommentToken($token, $id);
if ($_SESSION['serendipityAuthedUser'] === true || $goodtoken) {
$admin = '';
if (!$goodtoken && !serendipity_checkPermission('adminEntriesMaintainOthers')) {
$admin = " AND authorid = " . (int)$_SESSION['serendipityAuthorid'];
// Load articles author id and check it
$sql = serendipity_db_query("SELECT authorid FROM {$serendipity['dbPrefix']}entries
WHERE id = ". $entry_id, true);
if ($sql['authorid'] != $serendipity['authorid']) {
return false; // wrong user having no adminEntriesMaintainOthers right
}
}
/* We have to figure out if the comment we are about to delete, is awaiting approval,
if so - we should *not* subtract it from the entries table */
$sql = serendipity_db_query("SELECT type, status, parent_id, body FROM {$serendipity['dbPrefix']}comments
WHERE entry_id = ". $entry_id ."
AND id = ". $id, true);
/* Check to see if the comment has children
* if it does, don't delete, but replace with "*(COMMENT DELETED)*"
to delete a tree, delete children first */
$has_parent = serendipity_db_query("SELECT count(id) AS count
FROM {$serendipity['dbPrefix']}comments
WHERE parent_id = ". $id . "
LIMIT 1", true);
if (is_array($has_parent) && isset($has_parent['count']) && $has_parent['count'] > 0 && $sql['body'] != 'COMMENT_DELETED') {
// Comment has childs, so don't delete it.
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}comments
SET body = 'COMMENT_DELETED'
WHERE id = " . $id);
} else {
// Comment has no childs or had already been deleted., it can be safely removed.
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}comments
WHERE entry_id = ". $entry_id ."
AND id = ". $id);
if (is_array($sql) && $sql['status'] !== 'pending') {
if (!empty($sql['type']) && $sql['type'] != 'NORMAL') {
$type = 'trackbacks';
} else {
$type = 'comments';
}
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}entries SET $type = $type-1 WHERE id = ". $entry_id ." AND $type > 0 $admin");
}
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}comments SET parent_id = " . (int)$sql['parent_id'] . " WHERE parent_id = " . $id);
}
$addData = array('cid' => $id, 'entry_id' => $entry_id);
serendipity_plugin_api::hook_event('backend_deletecomment', $sql, $addData);
return true;
} else {
return false;
}
}
/**
* Toggle whether an entry allows comments
*
* @access public
* @param int The ID of the entry where the switch shall be toggled
* @param string Whether the entry shall be opened or closed for comments
* @return null
*/
function serendipity_allowCommentsToggle($entry_id, $switch = 'disable') {
global $serendipity;
if ($_SESSION['serendipityAuthedUser'] === true) {
$admin = '';
if (!serendipity_checkPermission('adminEntriesMaintainOthers')) {
$admin = " AND authorid = " . (int)$_SESSION['serendipityAuthorid'];
}
$query = "UPDATE {$serendipity['dbPrefix']}entries SET allow_comments = '" . ($switch == 'disable' ? 'false' : 'true') . "' WHERE id = '". (int)$entry_id ."' $admin";
serendipity_db_query($query);
if (serendipity_isResponseClean($_SERVER['HTTP_REFERER'])) {
header('Status: 302 Found');
header('Location: '. $_SERVER['HTTP_REFERER']);
exit;
}
} else {
die('What are you up to? You need to be an admin to close comments');
}
}
/**
* Approve a comment
*
* LONG
*
* @access public
* @param int The ID of the comment to approve
* @param int The ID of the entry a comment belongs to
* @param boolean Whether to force approving a comment despite of its current status
* @param boolean If set to true, a comment will be moderated instead of approved.
* @param string The 32 character token [if using token based moderation]
* @return boolean Success or failure
*/
function serendipity_approveComment($cid, $entry_id, $force = false, $moderate = false, $token = false) {
global $serendipity;
$goodtoken = serendipity_checkCommentToken($token, $cid);
/* Get data about the comment, we need this query because this function can be called from anywhere */
/* This also makes sure we are either the author of the comment, or a USERLEVEL_ADMIN */
$sql = "SELECT c.*, e.title, a.email as authoremail, a.mail_comments, e.timestamp AS entry_timestamp, e.last_modified AS entry_last_modified, e.authorid AS entry_authorid
FROM {$serendipity['dbPrefix']}comments c
LEFT JOIN {$serendipity['dbPrefix']}entries e ON (e.id = c.entry_id)
LEFT JOIN {$serendipity['dbPrefix']}authors a ON (e.authorid = a.authorid)
WHERE c.id = '". (int)$cid ."'
". ((!serendipity_checkPermission('adminEntriesMaintainOthers') && $force !== true && !$goodtoken) ? "AND e.authorid = '". (int)$serendipity['authorid'] ."'" : '') ."
". (($force === true) ? "" : "AND status = 'pending'");
$rs = serendipity_db_query($sql, true);
// Check for adminEntriesMaintainOthers
if (!$force && !$goodtoken && $rs['entry_authorid'] != $serendipity['authorid'] && !serendipity_checkPermission('adminEntriesMaintainOthers')) {
return false; // wrong user having no adminEntriesMaintainOthers right
}
$flip = false;
if ($moderate === 'flip') {
$flip = true;
if ($rs['status'] == 'pending') {
$sql = "UPDATE {$serendipity['dbPrefix']}comments SET status = 'approved' WHERE id = ". (int)$cid;
$moderate = false;
} else {
$sql = "UPDATE {$serendipity['dbPrefix']}comments SET status = 'pending' WHERE id = ". (int)$cid;
$moderate = true;
}
} elseif ($moderate) {
$sql = "UPDATE {$serendipity['dbPrefix']}comments SET status = 'pending' WHERE id = ". (int)$cid;
} else {
$sql = "UPDATE {$serendipity['dbPrefix']}comments SET status = 'approved' WHERE id = ". (int)$cid;
}
serendipity_db_query($sql);
$field = ($rs['type'] == 'NORMAL' ? 'comments' : 'trackbacks');
// Check when the entry was published. If it is older than max_last_modified allows, the last_modified date of that entry
// will not be pushed. With this we make sure that an RSS feed will not be updated on a client's reader and marked as new
// only because someone made an comment to an old entry.
if ($rs['entry_timestamp'] > time() - $serendipity['max_last_modified']) {
$lm = time();
} else {
$lm = (int)$rs['entry_last_modified'];
}
$counter_comments = serendipity_db_query("SELECT count(id) AS counter
FROM {$serendipity['dbPrefix']}comments
WHERE status = 'approved'
AND type = 'NORMAL'
AND entry_id = " . (int)$entry_id . "
GROUP BY entry_id", true);
$counter_tb = serendipity_db_query("SELECT count(id) AS counter
FROM {$serendipity['dbPrefix']}comments
WHERE status = 'approved'
AND (type = 'TRACKBACK' or type = 'PINGBACK')
AND entry_id = " . (int)$entry_id . "
GROUP BY entry_id", true);
$query = "UPDATE {$serendipity['dbPrefix']}entries
SET comments = " . (int)$counter_comments['counter'] . ",
trackbacks = " . (int)$counter_tb['counter'] . ",
last_modified = ". $lm ."
WHERE id = ". (int)$entry_id;
serendipity_db_query($query);
/* It's already approved, don't spam people */
if ( $rs === false ) {
return false;
}
if (!$moderate) {
if ($serendipity['allowSubscriptions'] === 'fulltext') {
serendipity_mailSubscribers($entry_id, $rs['author'], $rs['email'], $rs['title'], $rs['authoremail'], $cid, $rs['body']);
} elseif (serendipity_db_bool($serendipity['allowSubscriptions'])) {
serendipity_mailSubscribers($entry_id, $rs['author'], $rs['email'], $rs['title'], $rs['authoremail'], $cid);
}
serendipity_plugin_api::hook_event('backend_approvecomment', $rs);
}
serendipity_cleanCache();
if ($flip) {
if ($moderate) return -1; // comment set to pending
if (!$moderate) return 1; // comment set to approved
}
return true;
}
/**
* Confirm a mail authentication request
*
* @access public
* @param int The ID of a comment
* @param string The confirmation hash
* @return boolean
*/
function serendipity_confirmMail($cid, $hash) {
global $serendipity;
$q = "SELECT c.entry_id, e.title, e.timestamp, e.id
FROM {$serendipity['dbPrefix']}comments AS c
JOIN {$serendipity['dbPrefix']}entries AS e
ON (e.id = c.entry_id)
WHERE c.status = 'confirm" . serendipity_db_escape_string($hash) . "'
AND c.id = '" . (int)$cid . "'";
$confirm = serendipity_db_query($q, true);
if ($confirm['entry_id'] > 0) {
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}options
SET okey = 'mail_confirm'
WHERE okey = 'mail_confirm" . serendipity_db_escape_string($hash) . "'");
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}comments
SET status = 'pending'
WHERE status = 'confirm" . serendipity_db_escape_string($hash) . "'
AND id = '" . (int)$cid . "'");
// TODO?
/* if (serendipity_db_bool($confirm['mail_comments'])) {
serendipity_sendComment($cid, $row['email'], $name, $email, $url, $id, $row['title'], $comments, $type, serendipity_db_bool($ca['moderate_comments']));
}
*/
serendipity_approveComment($cid, $confirm['entry_id'], true);
return $confirm;
} else {
return false;
}
}
/**
* Store the comment made by a visitor in the database
*
* @access public
* @param int The ID of an entry
* @param array An array that holds the input data from the visitor
* @param string The type of a comment (normal/trackback)
* @param string Where did a comment come from? (internal|trackback|plugin)
* @param string Additional plugin data (spamblock plugin etc.)
* @return boolean Returns true if the comment could be added
*/
function serendipity_insertComment($id, $commentInfo, $type = 'NORMAL', $source = 'internal', $ca = array()) {
global $serendipity;
if (!empty($ca['status'])) {
$commentInfo['status'] = $ca['status'];
}
if ($serendipity['serendipityAuthedUser']) {
$authorReply = true;
$authorEmail = $serendipity['serendipityEmail'];
}
$title = serendipity_db_escape_string(isset($commentInfo['title']) ? $commentInfo['title'] : '');
$comments = $commentInfo['comment'];
$ip = serendipity_db_escape_string(isset($commentInfo['ip']) ? $commentInfo['ip'] : $_SERVER['REMOTE_ADDR']);
$commentsFixed = serendipity_db_escape_string($commentInfo['comment']);
$name = serendipity_db_escape_string($commentInfo['name']);
$url = serendipity_db_escape_string($commentInfo['url']);
$email = serendipity_db_escape_string($commentInfo['email']);
$parentid = (isset($commentInfo['parent_id']) && is_numeric($commentInfo['parent_id'])) ? $commentInfo['parent_id'] : 0;
$status = serendipity_db_escape_string(isset($commentInfo['status']) ? $commentInfo['status'] : (serendipity_db_bool($ca['moderate_comments']) ? 'pending' : 'approved'));
$t = serendipity_db_escape_string(isset($commentInfo['time']) ? $commentInfo['time'] : time());
$referer = substr((isset($_SESSION['HTTP_REFERER']) ? serendipity_db_escape_string($_SESSION['HTTP_REFERER']) : ''), 0, 200);
$query = "SELECT a.email, e.title, a.mail_comments, a.mail_trackbacks
FROM {$serendipity['dbPrefix']}entries AS e
LEFT OUTER JOIN {$serendipity['dbPrefix']}authors AS a
ON a.authorid = e.authorid
WHERE e.id = '". (int)$id ."'
AND e.isdraft = 'false'";
if (!serendipity_db_bool($serendipity['showFutureEntries'])) {
$query .= " AND e.timestamp <= " . serendipity_db_time();
}
$row = serendipity_db_query($query, true); // Get info on author/entry
if (!is_array($row) || empty($id)) {
// No associated entry found.
if ($GLOBALS['tb_logging']) {
$fp = fopen('trackback2.log', 'a');
fwrite($fp, '[' . date('d.m.Y H:i') . '] entry reference not found: ' . $query . "\n");
fclose($fp);
}
return false;
}
$send_optin = false;
if (isset($commentInfo['subscribe'])) {
if (!isset($serendipity['allowSubscriptionsOptIn']) || $serendipity['allowSubscriptionsOptIn']) {
$subscribe = 'false';
$send_optin = true;
} else {
$subscribe = 'true';
}
} else {
$subscribe = 'false';
}
$dbhash = md5(uniqid(rand(), true));
if ($status == 'confirm') {
$dbstatus = 'confirm' . $dbhash;
} elseif ($status == 'confirm1') {
$auth = serendipity_db_query("SELECT *
FROM {$serendipity['dbPrefix']}options
WHERE okey = 'mail_confirm'
AND name = '" . $email . "'
AND value = '" . $name . "'", true);
if (!is_array($auth)) {
serendipity_db_query("INSERT INTO {$serendipity['dbPrefix']}options (okey, name, value)
VALUES ('mail_confirm{$dbhash}', '{$email}', '{$name}')");
$dbstatus = 'confirm' . $dbhash;
} else {
$serendipity['csuccess'] = 'true';
$status = $dbstatus = 'approved';
}
} else {
$dbstatus = $status;
}
$query = "INSERT INTO {$serendipity['dbPrefix']}comments (entry_id, parent_id, ip, author, email, url, body, type, timestamp, title, subscribed, status, referer)";
$query .= " VALUES ('". (int)$id ."', '$parentid', '$ip', '$name', '$email', '$url', '$commentsFixed', '$type', '$t', '$title', '$subscribe', '$dbstatus', '$referer')";
if ($GLOBALS['tb_logging']) {
$fp = fopen('trackback2.log', 'a');
fwrite($fp, '[' . date('d.m.Y H:i') . '] SQL: ' . $query . "\n");
}
serendipity_db_query($query);
$cid = serendipity_db_insert_id('comments', 'id');
// Send mail to the author if he chose to receive these mails, or if the comment is awaiting moderation
if ($status != 'confirm' && (serendipity_db_bool($ca['moderate_comments'])
|| ($type == 'NORMAL' && serendipity_db_bool($row['mail_comments']))
|| (($type == 'TRACKBACK' || $type == 'PINGBACK') && serendipity_db_bool($row['mail_trackbacks'])))) {
if (! ($authorReply && $authorEmail == $row['email'])) {
serendipity_sendComment($cid, $row['email'], $name, $email, $url, $id, $row['title'], $comments, $type, serendipity_db_bool($ca['moderate_comments']), $referer);
}
}
// Approve with force, if moderation is disabled
if ($GLOBALS['tb_logging']) {
fwrite($fp, '[' . date('d.m.Y H:i') . '] status: ' . $status . ', moderate: ' . $ca['moderate_comments'] . "\n");
}
if ($status != 'confirm' && (empty($ca['moderate_comments']) || serendipity_db_bool($ca['moderate_comments']) == false)) {
if ($GLOBALS['tb_logging']) {
fwrite($fp, '[' . date('d.m.Y H:i') . '] Approving...' . "\n");
}
serendipity_approveComment($cid, $id, true);
} elseif ($GLOBALS['tb_logging']) {
fwrite($fp, '[' . date('d.m.Y H:i') . '] No need to approve...' . "\n");
}
if ($status == 'confirm') {
$subject = sprintf(NEW_COMMENT_TO_SUBSCRIBED_ENTRY, $row['title']);
$message = sprintf(CONFIRMATION_MAIL_ALWAYS,
$name,
$row['title'],
$commentsFixed,
$serendipity['baseURL'] . 'comment.php?c=' . $cid . '&hash=' . $dbhash);
serendipity_sendMail($email, $subject, $message, $serendipity['blogMail']);
} elseif ($status == 'confirm1') {
$subject = sprintf(NEW_COMMENT_TO_SUBSCRIBED_ENTRY, $row['title']);
$message = sprintf(CONFIRMATION_MAIL_ONCE,
$name,
$row['title'],
$commentsFixed,
$serendipity['baseURL'] . 'comment.php?c=' . $cid . '&hash=' . $dbhash);
serendipity_sendMail($email, $subject, $message, $serendipity['blogMail']);
}
if ($send_optin) {
$dupe_check = serendipity_db_query("SELECT count(entry_id) AS counter
FROM {$serendipity['dbPrefix']}comments
WHERE entry_id = " . (int)$id . "
AND email = '$email'
AND subscribed = 'true'", true);
if (!is_array($dupe_check) || $dupe_check['counter'] < 1) {
serendipity_db_query("INSERT INTO {$serendipity['dbPrefix']}options (okey, name, value)
VALUES ('commentsub_{$dbhash}', '" . time() . "', '{$cid}')");
$subject = sprintf(NEW_COMMENT_TO_SUBSCRIBED_ENTRY, $row['title']);
$message = sprintf(CONFIRMATION_MAIL_SUBSCRIPTION,
$name,
$row['title'],
serendipity_archiveURL($id, $row['title'], 'baseURL'),
$serendipity['baseURL'] . 'comment.php?optin=' . $dbhash);
serendipity_sendMail($email, $subject, $message, $serendipity['blogMail']);
}
}
if ($GLOBALS['tb_logging']) {
fclose($fp);
}
serendipity_cleanCache();
return $cid;
}
/**
* Confirm a comment subscription
*
* @access public
* @param string The confirmation hash
* @return boolean
*/
function serendipity_commentSubscriptionConfirm($hash) {
global $serendipity;
// Delete possible current cookie. Also delete any confirmation hashs that smell like 3-week-old, dead fish.
if (stristr($serendipity['dbType'], 'sqlite')) {
$cast = "name";
} else {
// Adds explicits casting for mysql, postgresql and others.
$cast = "cast(name as integer)";
}
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}options
WHERE okey LIKE 'commentsub_%' AND $cast < " . (time() - 1814400) . ")");
$hashinfo = serendipity_db_query("SELECT value
FROM {$serendipity['dbPrefix']}options
WHERE okey = 'commentsub_" . serendipity_db_escape_string($hash) . "'", true);
if (is_array($hashinfo) && $hashinfo['value'] > 0) {
$cid = (int)$hashinfo['value'];
serendipity_db_query("UPDATE {$serendipity['dbPrefix']}comments
SET subscribed = 'true'
WHERE id = $cid");
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}options
WHERE okey = 'commentsub_" . serendipity_db_escape_string($hash) . "'");
return $cid;
}
}
/**
* Save a comment made by a visitor
*
* @access public
* @param int The ID of an entry
* @param array An array that holds the input data from the visitor
* @param string The type of a comment (normal/trackback)
* @param string Where did a comment come from? (internal|trackback|plugin)
* @return boolean Returns true if the comment could be added
*/
function serendipity_saveComment($id, $commentInfo, $type = 'NORMAL', $source = 'internal') {
global $serendipity;
$query = "SELECT id, allow_comments, moderate_comments, last_modified, timestamp, title FROM {$serendipity['dbPrefix']}entries WHERE id = '". (int)$id ."'";
$ca = serendipity_db_query($query, true);
$commentInfo['type'] = $type;
$commentInfo['source'] = $source;
// Secure email addresses, only one [first] allowed to not mail to multiple recipients
$mailparts = explode(',', $commentInfo['email']);
$commentInfo['email'] = trim($mailparts[0]);
serendipity_plugin_api::hook_event('frontend_saveComment', $ca, $commentInfo);
if (!is_array($ca) || serendipity_db_bool($ca['allow_comments'])) {
if ($GLOBALS['tb_logging']) {
$fp = fopen('trackback2.log', 'a');
fwrite($fp, '[' . date('d.m.Y H:i') . '] insert comment into DB' . "\n");
fclose($fp);
}
$commentInfo['comment_cid'] = serendipity_insertComment($id, $commentInfo, $type, $source, $ca);
$commentInfo['comment_id'] = $id;
serendipity_plugin_api::hook_event('frontend_saveComment_finish', $ca, $commentInfo);
return true;
} else {
if ($GLOBALS['tb_logging']) {
$fp = fopen('trackback2.log', 'a');
fwrite($fp, '[' . date('d.m.Y H:i') . '] discarding comment from DB' . "\n");
fclose($fp);
}
return false;
}
}
/**
* Send a mail to all subscribers of an entry about a new comment
*
* @access public
* @param int The ID of the entry where a new comment has been made
* @param string The name of the latest poster to an entry
* @param string The email addre ssof the latest poster to an entry
* @param string The title of the entry
* @param string The mail address used to send emails from
* @param int The ID of the comment that has been made
* @param string The body of the comment that has been made
* @return null
*/
function serendipity_mailSubscribers($entry_id, $poster, $posterMail, $title, $fromEmail = 'none@example.com', $cid = null, $body = null) {
global $serendipity;
$entryURI = serendipity_archiveURL($entry_id, $title, 'baseURL') . ($cid > 0 ? '#c' . $cid : '');
$subject = sprintf(NEW_COMMENT_TO_SUBSCRIBED_ENTRY, $title);
$pgsql_insert = '';
$mysql_insert = '';
if ($serendipity['dbType'] == 'postgres' ||
$serendipity['dbType'] == 'pdo-postgres') {
$pgsql_insert = 'DISTINCT ON (email)';
} else {
$mysql_insert = 'GROUP BY email';
}
$sql = "SELECT $pgsql_insert author, email, type
FROM {$serendipity['dbPrefix']}comments
WHERE entry_id = '". (int)$entry_id ."'
AND email <> '" . serendipity_db_escape_string($posterMail) . "'
AND email <> ''
AND subscribed = 'true' $mysql_insert";
$subscribers = serendipity_db_query($sql);
if (!is_array($subscribers)) {
return;
}
foreach ($subscribers as $subscriber) {
if ($subscriber['type'] == 'TRACKBACK') {
$text = sprintf(
SUBSCRIPTION_TRACKBACK_MAIL,
$subscriber['author'],
$serendipity['blogTitle'],
$title,
$poster,
($body ? "\n\n" . $body . "\n" : '') . $entryURI,
serendipity_rewriteURL('unsubscribe/' . urlencode($subscriber['email']) . '/' . (int)$entry_id, 'baseURL')
);
} else {
$text = sprintf(
SUBSCRIPTION_MAIL,
$subscriber['author'],
$serendipity['blogTitle'],
$title,
$poster,
($body ? "\n\n" . $body . "\n" : '') . $entryURI,
serendipity_rewriteURL('unsubscribe/' . urlencode($subscriber['email']) . '/' . (int)$entry_id, 'baseURL')
);
}
serendipity_sendMail($subscriber['email'], $subject, $text, $fromEmail);
}
}
/**
* Cancel a subscription to an entry
*
* @access public
* @param string E-Mail address to cancel subscription
* @param int The entry ID to unsubscribe from
* @return int Return number of unsubscriptions
*/
function serendipity_cancelSubscription($email, $entry_id) {
global $serendipity;
$sql = "UPDATE {$serendipity['dbPrefix']}comments
SET subscribed = 'false'
WHERE entry_id = '". (int)$entry_id ."'
AND email = '" . serendipity_db_escape_string($email) . "'";
serendipity_db_query($sql);
return serendipity_db_affected_rows();
}
/**
* Send a comment notice to the admin/author of an entry
*
* @access public
* @param int ID of the comment that has been made
* @param string Author's email address to send the mail to
* @param string The name of the sender
* @param string The URL of the sender
* @param int The ID of the entry that has been commented
* @param string The title of the entry that has been commented
* @param string The text of the comment
* @param string The type of the comment (normal|trackback)
* @param boolean Toggle Whether comments to this entry need approval
* @return boolean Return success of sending the mails
*/
function serendipity_sendComment($comment_id, $to, $fromName, $fromEmail, $fromUrl, $id, $title, $comment, $type = 'NORMAL', $moderate_comment = false, $referer = '') {
global $serendipity;
if (empty($fromName)) {
$fromName = ANONYMOUS;
}
$entryURI = serendipity_archiveURL($id, $title, 'baseURL');
$path = ($type == 'TRACKBACK' || $type == 'PINGBACK') ? 'trackback' : 'comment';
// Check for using Tokens
if ($serendipity['useCommentTokens']) {
$token = serendipity_generateCToken($comment_id);
$path = $path . "_token_" . $token;
}
$deleteURI = serendipity_rewriteURL(PATH_DELETE . '/'. $path .'/' . $comment_id . '/' . $id . '-' . serendipity_makeFilename($title) . '.html', 'baseURL');
$approveURI = serendipity_rewriteURL(PATH_APPROVE . '/'. $path .'/' . $comment_id . '/' . $id . '-' . serendipity_makeFilename($title) . '.html', 'baseURL');
$eventData = array( 'comment_id' => $comment_id,
'entry_id' => $id,
'entryURI' => $entryURI,
'path' => $path,
'deleteURI' => $deleteURI,
'approveURI' => $approveURI,
'moderate_comment' => $moderate_comment,
'action_more' => array());
serendipity_plugin_api::hook_event('backend_sendcomment', $eventData);
$action_more = '';
foreach($eventData['action_more'] as $action) {
$action_more .= "\n" . str_repeat(' ', 3) . $action;
}
if ($type == 'TRACKBACK' || $type == 'PINGBACK') {
/******************* TRACKBACKS *******************/
$subject = ($moderate_comment ? '[' . REQUIRES_REVIEW . '] ' : '') . NEW_TRACKBACK_TO . ' ' . $title;
$text = sprintf(A_NEW_TRACKBACK_BLAHBLAH, $title)
. "\n"
. "\n" . REQUIRES_REVIEW . ': ' . (($moderate_comment) ? YES : NO) . (isset($serendipity['moderate_reason']) ? ' (' . $serendipity['moderate_reason'] . ')' : '')
. "\n" . LINK_TO_ENTRY . ': ' . $entryURI
. "\n" . WEBLOG . ': ' . stripslashes($fromName)
. "\n" . LINK_TO_REMOTE_ENTRY . ': ' . $fromUrl
. "\n"
. "\n" . EXCERPT . ':'
. "\n" . strip_tags($comment)
. "\n"
. "\n" . '----'
. "\n" . YOU_HAVE_THESE_OPTIONS
. (($moderate_comment) ? "\n" . str_repeat(' ', 2) . THIS_TRACKBACK_NEEDS_REVIEW : '')
. "\n" . str_repeat(' ', 3) . str_pad(VIEW_ENTRY, 15) . ' -- '. $entryURI
. "\n" . str_repeat(' ', 3) . str_pad(DELETE_TRACKBACK, 15) . ' -- '. $deleteURI
. (($moderate_comment) ? "\n" . str_repeat(' ', 3) . str_pad(APPROVE_TRACKBACK, 15) . ' -- '. $approveURI : '')
. $action_more;
} else {
/******************* COMMENTS *********************/
$subject = ($moderate_comment ? '[' . REQUIRES_REVIEW . '] ' : '') . NEW_COMMENT_TO . ' ' . $title;
$text = sprintf(A_NEW_COMMENT_BLAHBLAH, $serendipity['blogTitle'], $title)
. "\n" . LINK_TO_ENTRY . ': ' . $entryURI
. "\n"
. "\n" . REQUIRES_REVIEW . ': ' . (($moderate_comment) ? YES : NO) . (isset($serendipity['moderate_reason']) ? ' (' . $serendipity['moderate_reason'] . ')' : '')
. "\n" . IP_ADDRESS . ': ' . $_SERVER['REMOTE_ADDR']
. "\n" . NAME . ': ' . $fromName
. "\n" . EMAIL . ': ' . $fromEmail
. "\n" . HOMEPAGE . ': ' . $fromUrl
. "\n" . REFERER . ': ' . $referer
. "\n"
. "\n" . COMMENTS . ': '
. "\n" . strip_tags($comment)
. "\n"
. "\n" . '----'
. "\n" . YOU_HAVE_THESE_OPTIONS
. (($moderate_comment) ? "\n" . str_repeat(' ', 2) . THIS_COMMENT_NEEDS_REVIEW : '')
. "\n" . str_repeat(' ', 3) . str_pad(VIEW_COMMENT, 15) . ' -- '. $entryURI .'#c'. $comment_id
. "\n" . str_repeat(' ', 3) . str_pad(DELETE_COMMENT, 15) . ' -- '. $deleteURI
. (($moderate_comment) ? "\n" . str_repeat(' ', 3) . str_pad(APPROVE_COMMENT, 15) . ' -- '. $approveURI : '')
. $action_more;
}
return serendipity_sendMail($to, $subject, $text, $fromEmail, null, $fromName);
}
/**
* Generates a token for E-Mail moderation of comments
* and stores it in the database
*
* @access public
* @param int ID of the comment to generate the token for
* @return string The generated token
*/
function serendipity_generateCToken($cid) {
global $serendipity;
$ctoken = md5(uniqid(rand(),1));
//Delete any comment tokens older than 1 week.
serendipity_db_query("DELETE FROM {$serendipity['dbPrefix']}options
WHERE okey LIKE 'comment_%' AND name < " . (time() - 604800) );
// Issue new comment moderation hash
serendipity_db_query("INSERT INTO {$serendipity['dbPrefix']}options (name, value, okey)
VALUES ('" . time() . "', '" . $ctoken . "', 'comment_" . $cid ."')");
return $ctoken;
}