From f14254c46b93b19c14b67e7842b07fe949be2a44 Mon Sep 17 00:00:00 2001
From: Matt Mullenweg <matt@git.wordpress.org>
Date: Sun, 21 Mar 2004 08:31:33 +0000
Subject: [PATCH] New comment moderation code, for trackbacks and comments.

git-svn-id: https://develop.svn.wordpress.org/trunk@984 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/options-discussion.php |  2 +-
 wp-comments-post.php            | 17 ++++++-----------
 wp-comments.php                 | 10 ----------
 wp-includes/functions.php       | 14 ++++++++++++++
 wp-trackback.php                |  8 +++-----
 5 files changed, 24 insertions(+), 27 deletions(-)

diff --git a/wp-admin/options-discussion.php b/wp-admin/options-discussion.php
index e3937559d9..acec53b858 100644
--- a/wp-admin/options-discussion.php
+++ b/wp-admin/options-discussion.php
@@ -113,7 +113,7 @@ if ($user_level <= 3) {
 				User must fill out name and email </label> 
 			</li> 
 		</ul> 
-		<p>When a comment contains any of these words in its content, name, URI, or email, hold it in the moderation queue: (Seperate multiple words with new lines.)</p> 
+		<p>When a comment contains any of these words in its content, name, URI,  email, or IP, hold it in the moderation queue: (Seperate multiple words with new lines.) <a href="http://wiki.wordpress.org/index.php/SpamWords">Common spam words</a>.</p> 
 		<p> 
 			<textarea name="moderation_keys" cols="60" rows="4" id="moderation_keys" style="width: 98%;"><?php echo get_settings('moderation_keys'); ?></textarea> 
 		</p> 
diff --git a/wp-comments-post.php b/wp-comments-post.php
index 5f0b7885b7..502b00c8ec 100644
--- a/wp-comments-post.php
+++ b/wp-comments-post.php
@@ -75,24 +75,19 @@ if (!empty($lasttime)) {
 
 
 if ($ok) { // if there was no comment from this IP in the last 10 seconds
-	$comment_moderation = get_settings('comment_moderation');
 	$moderation_notify = get_settings('moderation_notify');
 	$comments_notify = get_settings('comments_notify');
 
-	// o42: this place could be the hook for further comment spam checking
-	// $approved should be set according the final approval status
-	// of the new comment
-	if ('manual' == $comment_moderation) {
-		$approved = 0;
-	} else if ('auto' == $comment_moderation) {
-		$approved = 0;
-	} else { // none
+	if(check_comment($author, $email, $url, $comment, $user_ip)) {
 		$approved = 1;
+	} else {
+		$approved = 0;
 	}
+
 	$wpdb->query("INSERT INTO $tablecomments 
-	(comment_ID, comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_content, comment_approved) 
+	(comment_post_ID, comment_author, comment_author_email, comment_author_url, comment_author_IP, comment_date, comment_content, comment_approved) 
 	VALUES 
-	('0', '$comment_post_ID', '$author', '$email', '$url', '$user_ip', '$now', '$comment', '$approved')
+	('$comment_post_ID', '$author', '$email', '$url', '$user_ip', '$now', '$comment', '$approved')
 	");
 
 	$comment_ID = $wpdb->get_var('SELECT last_insert_id()');
diff --git a/wp-comments.php b/wp-comments.php
index 6856d81b5e..dbc30260e8 100644
--- a/wp-comments.php
+++ b/wp-comments.php
@@ -71,16 +71,6 @@
 	  <textarea name="comment" id="comment" cols="70" rows="4" tabindex="4"></textarea>
 	</p>
 
-<?php 
-if ('none' != get_settings("comment_moderation")) { 
-?>
-	<p>
-	<strong>Please note:</strong> Comment moderation is currently enabled so there may be a delay between when you post your comment and when it shows up. Patience is a virtue; there&#8217;s no need to resubmit your comment.
-	</p>
-<?php
-} // comment_moderation != 'none'
-?>
-
 	<p>
 	  <input name="submit" type="submit" tabindex="5" value="Say it!" />
 	</p>
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index a5561915cd..31c8b22f89 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1564,4 +1564,18 @@ function get_posts($args) {
 	return $posts;
 }
 
+function check_comment($author, $email, $url, $comment, $user_ip) {
+	$words = explode("\n", get_settings('moderation_keys') );
+	foreach ($words as $word) {
+	$word = trim($word);
+	$pattern = "#$word#i";
+		if ( preg_match($pattern, $author) ) return false;
+		if ( preg_match($pattern, $email) ) return false;
+		if ( preg_match($pattern, $url) ) return false;
+		if ( preg_match($pattern, $comment) ) return false;
+		if ( preg_match($pattern, $user_ip) ) return false;
+	}
+return true;
+}
+
 ?>
\ No newline at end of file
diff --git a/wp-trackback.php b/wp-trackback.php
index 4aceac262f..6b298227fd 100644
--- a/wp-trackback.php
+++ b/wp-trackback.php
@@ -66,12 +66,10 @@ if ((strlen(''.$tb_id)) && (empty($HTTP_GET_VARS['__mode'])) && (strlen(''.$tb_u
 	$comment_moderation = get_settings('comment_moderation');
 	$moderation_notify = get_settings('moderation_notify');
 
-	if ('manual' == $comment_moderation) {
-		$approved = 0;
-	} else if ('auto' == $comment_moderation) {
-		$approved = 0;
-	} else { // none
+	if(check_comment($author, $email, $url, $comment, $user_ip)) {
 		$approved = 1;
+	} else {
+		$approved = 0;
 	}
 
 	$result = $wpdb->query("INSERT INTO $tablecomments