497 lines
13 KiB
PHP
497 lines
13 KiB
PHP
<?php
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/*
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* Plugin Name: Comment Center
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* Version: 1.1.2
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* Plugin URI: https://www.flatpress.org
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* Author: FlatPress
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* Author URI: https://www.flatpress.org
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* Description: Manage your blog's comments: Set policies, publish or reject comments. Part of the standard distribution.
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*/
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/**
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* This class interacts with Flaptress comment system.
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*/
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class plugin_commentcenter {
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// The plugin configuration
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var $conf = array();
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// The policies
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var $policies = array();
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// The plugin_dir
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var $pl_dir = 'fp-content/plugin_commentcenter/';
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/**
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* This is the constructor.
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*/
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function __construct() {
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add_action('entry_block', array(
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&$this,
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'lock'
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));
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add_filter('comment_validate', array(
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&$this,
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'validate'
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), 5, 2);
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$this->pl_dir = FP_CONTENT . 'plugin_commentcenter/';
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if (!file_exists($this->pl_dir)) {
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fs_mkdir($this->pl_dir);
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}
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}
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/**
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* This function loads the configuration of the plugin.
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*
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* @param boolean $foce:
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* Force to load it?
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* @return array: The configuration
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*/
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function getConf($force = false) {
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if (!empty($this->conf) && $force) {
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return $this->conf;
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}
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$this->conf = plugin_getoptions('commentcenter');
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return $this->conf;
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}
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/**
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* This function check if comment must be locked.
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*/
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function lock() {
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global $fp_params, $post, $smarty;
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$this->loadPolicies();
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$cats = array_key_exists('categories', $post) && is_array($post ['categories']) ? $post ['categories'] : array();
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$behavoir = array_key_exists('entry', $fp_params) ? $this->behavoirFromPolicies($fp_params ['entry'], $cats) : 1;
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if ($behavoir == -1 && !user_loggedin()) {
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$smarty->assign('entry_commslock', true);
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}
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}
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/**
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* This function validates a comment.
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*
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* @param boolean $status:
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* The current status of the comment validation
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* @param array $comment:
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* The comment data
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* @return boolean: Is the comment valid?
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*/
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function validate($status, $comment) {
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global $smarty, $fp_params, $lang;
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// If the comment has been already stopped or this is the contact page, stop here our check
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if (!$status || function_exists('contact_display')) {
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return $status;
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}
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// If the comment has been made from an administrator, don't check it
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if (@$comment ['loggedin']) {
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return true;
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}
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$entry = $fp_params ['entry'];
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if (!isset($comment ['date'])) {
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$comment ['date'] = date_time();
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}
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$comment ['id'] = bdb_idfromtime(BDB_COMMENT, $comment ['date']);
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$conf = $this->getConf();
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// This variables defines how the system has to behave.
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$behavoir = 1;
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$this->loadPolicies();
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// To get categories of the entry, we use the same method of PrettyURLs...
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global $post;
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$behavoir = $this->behavoirFromPolicies($entry, $post ['categories']);
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// If comments are locked we don't send to Akismet
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if (@$conf ['akismet_check'] && $behavoir != -1) {
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$akismet = $this->akismetCheck($comment, $entry);
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if (!$akismet) {
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$smarty->append('error', $lang ['plugin'] ['commentcenter'] ['akismet_error']);
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$this->logComment($comment, $entry, 'akismet');
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return false;
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}
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}
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if ($behavoir == 0) {
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$this->logComment($comment, $entry, 'confirm');
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$smarty->append('warnings', $lang ['plugin'] ['commentcenter'] ['approvation']);
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if (@$conf ['email_alert']) {
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$this->commentMail($comment, $post ['subject']);
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}
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} elseif ($behavoir == -1 && @$conf ['log_all']) {
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$this->logComment($comment, $entry, 'denided');
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$smarty->append('error', $lang ['plugin'] ['commentcenter'] ['lock']);
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}
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if ($behavoir != 1) {
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// Delete the comment content
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$_POST ['content'] = '';
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}
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// Also if the comment need to be approved, we return false.
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return $behavoir == 1;
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}
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/**
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* This function create an akismet instance.
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* An Akismet object is returned by reference. But if an error
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* happens, the function return a negative integer:
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* -1 if we can't find the key
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* -2 if we can't contact Akismet servers
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* -3 if the response failed
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* -4 if the key isn't valid
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*
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* @param string $key:
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* A key for the service
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* @return object: The akismet object
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*/
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function &akismetLoad($key = '') {
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$conf = $this->getConf();
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if (!empty($key)) {
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} elseif (empty($conf ['akismet_key'])) {
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$e = -1;
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return $e;
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} else {
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$key = $conf ['akismet_key'];
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}
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$url = empty($conf ['akismet_url']) ? BLOG_BASEURL : $conf ['akismet_url'];
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include_once dirname(__FILE__) . '/inc/akismet.class.php';
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$akismet = new Akismet($url, $key);
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if ($akismet->errorsExist()) {
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$e = 0;
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switch (true) {
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case $akismet->isError(AKISMET_SERVER_NOT_FOUND):
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$e = -2;
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break;
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case $akismet->isError(AKISMET_RESPONSE_FAILED):
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$e = -3;
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break;
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case $akismet->isError(AKISMET_INVALID_KEY):
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$e = -4;
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break;
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}
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return $e;
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} else {
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return $akismet;
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}
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}
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/**
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* This function clean a comment to send it to Akismet.
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*
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* @param array $comment:
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* The comment data
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* @param string $entry:
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* The entry id
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* @return array: $comment cleaned
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*/
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function akismetClean($comment, $entry) {
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global $post;
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$conf = $this->getConf();
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$oldpost = $post;
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$o = new FPDB_Query("id:{$entry},fullparse:false", null);
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$arr = $o->getEntry();
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$post = $arr [1];
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$link = get_permalink($entry);
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if (!empty($conf ['akismet_url'])) {
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$link = $conf ['akismet_url'] . substr($link, strlen(BLOG_BASEURL));
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}
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$post = $oldpost;
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$clean = array(
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'author' => $comment ['name'],
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'email' => @$comment ['email'],
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'website' => @$comment ['url'],
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'body' => $comment ['content'],
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'user_ip' => @$comment ['ip-address'],
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'permalink' => $link
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);
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return $clean;
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}
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/**
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* This function manages the Akismet Check
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*
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* @param array $comment:
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* The comment data
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* @param string $entry:
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* The entry id
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* @return boolean: Is the comment allowed?
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*/
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function akismetCheck($comment, $entry) {
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$akismet = &$this->akismetLoad();
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if (!is_object($akismet)) {
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// Failed to load it. We return true, but the comment isn't checked
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// TODO: Add an error logger? Or make different, configurable behaves?
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return true;
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}
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$clean = $this->akismetClean($comment, $entry);
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$akismet->setComment($clean);
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if ($akismet->isSpam()) {
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// Akismet sign the comment as spam. Let's stop it.
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return false;
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} else {
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return true;
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}
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}
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/**
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* This function loads the comment policies.
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*
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* @param boolean $force:
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* Force to load them?
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* @return array: The policies
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*/
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function &loadPolicies($force = false) {
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if (!$force && !empty($this->policies)) {
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return $this->policies;
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}
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if (!file_exists($f = $this->pl_dir . 'policies.txt')) {
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$this->policies = array();
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return $this->policies;
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}
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include $f;
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$this->policies = $policies;
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return $this->policies;
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}
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/**
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* This function saves the policies.
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*
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* @return boolean
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*/
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function savePolicies() {
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$this->policies = array_values($this->policies);
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return system_save($this->pl_dir . 'policies.txt', array(
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'policies' => $this->policies
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));
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}
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/**
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* This function adds a policy in a certain position.
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*
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* @param mixed $policy:
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* The policy
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* @param integer $position:
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* The position
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*/
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function addPolicyAt($policy, $position) {
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if ($position < 0) {
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$position = count($this->policies) + $position + 1;
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}
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$before = array_slice($this->policies, 0, $position);
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$after = array_slice($this->policies, $position);
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$this->policies = array_merge($before, array(
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$policy
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), $after);
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}
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/**
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* This function moves a policy from a postition to another one.
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*
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* @param integer $old:
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* The old position
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* @param integer $new:
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* The new position
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*/
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function policyMove($old, $new) {
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if (!isset($this->policies [$old])) {
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return false;
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}
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$new = $new > $old ? $new + 1 : $new;
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$del = $new > $old ? $old : $old + 1;
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$this->addPolicyAt($this->policies [$old], $new);
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if (isset($this->policies [$del])) {
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unset($this->policies [$del]);
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}
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$this->policies = array_values($this->policies);
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return true;
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}
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/**
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* Get behavoir from policies.
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* 1: The user can comment
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* 0: The comment need to be approved
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* -1: The user can't comment
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*
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* @param string $entry:
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* The entry id
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* @param array $cats:
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* The categories
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* @return integer: The behavoir
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*/
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function behavoirFromPolicies($entry, $cats = array()) {
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if (!is_array($cats)) {
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$cats = array();
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}
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$date = date_from_id($entry);
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// check if $date is in expected format
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if (!array_key_exists('time', $date)) {
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return -1;
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}
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$time = $date ['time'];
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$return = 1;
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$pols = &$this->policies;
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if (count($pols)) {
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foreach ($pols as $policy) {
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if (@$policy ['is_all']) {
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$return = $policy ['do'];
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} elseif (!empty($policy ['entry']) && is_array($policy ['entry'])) {
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if (in_array($entry, $policy ['entry'])) {
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$return = $policy ['do'];
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}
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} elseif (!empty($policy ['entry'])) {
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if ($entry == $policy ['entry']) {
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$return = $policy ['do'];
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}
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} else {
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$consider = true;
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if (!empty($policy ['categories'])) {
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$consider = count(array_intersect($policy ['categories'], $cats)) > 0;
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}
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if (!empty($policy ['older'])) {
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$consider = (time() - $time) > $policy ['older'];
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} else {
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if (!empty($policy ['time_less'])) {
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$consider = $time > $policy ['time_less'];
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}
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if (!empty($policy ['time_more'])) {
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$consider = $time < $policy ['time_more'];
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}
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}
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$return = $consider ? $policy ['do'] : $return;
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}
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}
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}
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return $return;
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}
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/**
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* This function saves a comment into the plugin directory.
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* Maybe it's considered SPAM by Akismet or the comment requires
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* the Administrator's approvation.
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*
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* @param array $comment:
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* The comment data
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* @param string $entry:
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* The entry id
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* @param string $why:
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* The reason of the log
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* @return boolean: Can it saves the log?
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*/
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function logComment($comment, $entry, $why = '') {
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$f = $this->pl_dir . "e{$entry}_c{$comment['id']}.txt";
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if (!empty($why)) {
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$comment ['log_reason'] = $why;
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}
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return system_save($f, array(
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'comment' => $comment
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));
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}
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/**
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* This function send an email to the administrator with the comment data.
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* It's based on the code of comment.php
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*
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* @param array $comment:
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* The comment data
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* @param string $entry_title:
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* The title of the entry
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* @return boolean
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*/
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function commentMail($comment, $entry_title) {
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global $lang, $fp_config;
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$subject = $lang ['plugin'] ['commentcenter'] ['mail_subj'];
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$subject = sprintf($subject, $fp_config ['general'] ['title']);
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$comm_mail = empty($comment ['email']) ? '' : "<{$comment['email']}>";
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$from_mail = $fp_config ['general'] ['email'];
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$text = $lang ['plugin'] ['commentcenter'] ['mail_text'];
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$text = str_replace(array(
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'%toname%',
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'%fromname%',
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'%frommail%',
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'%entrytitle%',
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'%content%',
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'%blogtitle%'
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), array(
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$fp_config ['general'] ['author'],
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$comment ['name'],
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$comm_mail,
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$entry_title,
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$comment ['content'],
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$fp_config ['general'] ['title']
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), $text);
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// for non-ASCII characters in the e-mail header use RFC 1342 — Encodes data with MIME base64
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return @utils_mail($from_mail, '=?utf-8?B?' . base64_encode($subject) . '?=', $text);
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}
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}
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$GLOBALS ['plugin_commentcenter'] = new plugin_commentcenter();
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/**
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* This class makes the list of comments that needs to be approved.
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*/
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class commentcenter_list extends fs_filelister {
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/**
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* This is the constructor of the class.
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*
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* @params string $dir: The directory to list
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*/
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function __construct($dir) {
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parent::__construct($dir);
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}
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function _checkFile($directory, $file) {
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if (fnmatch('eentry*.txt', $file)) {
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$entry = substr($file, 1, 18);
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$comment = substr($file, 21, 20);
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$this->_list [$entry] [] = $comment;
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}
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return 0;
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}
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function toDetails($entry = null) {
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$list = array();
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if (!is_null($entry) && @is_array($this->_list [$entry])) {
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foreach ($this->_list [$entry] as $commentid) {
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include $this->_directory . "/e{$entry}_c{$commentid}.txt";
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if (empty($comment ['log_reason'])) {
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$comment ['log_reason'] = 'nd';
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}
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$list [$comment ['log_reason']] [$commentid] = $comment;
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}
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} else {
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foreach ($this->_list as $key => $comments) {
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$list [$key] = $this->toDetails($key);
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}
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}
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return $list;
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}
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}
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// If we're in administration area, we load admin panel
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if (defined('MOD_ADMIN_PANEL')) {
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include dirname(__FILE__) . '/inc/admin.php';
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include dirname(__FILE__) . '/inc/jslang.php';
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include dirname(__FILE__) . '/inc/editor.php';
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} |