A bunch of stuff.

inc/config.php

@@ -76,6 +76,7 @@
 	define('ERROR_LOCKED',	'Thread locked. You may not reply at this time.', true);
 	define('ERROR_NOPOST',	'You didn\'t make a post.', true);
 	define('ERROR_FLOOD', 'Flood detected; Post discared.', true);
+	define('ERROR_UNORIGINAL', 'Unoriginal content!', true);
 	define('ERR_INVALIDIMG','Invalid image.', true);
 	define('ERR_FILESIZE',	'Maximum file size: %maxsz% bytes<br>Your file\'s size: %filesz% bytes', true);
 	define('ERR_MAXSIZE',	'The file was too big.', true);
@@ -163,6 +164,12 @@
 	// "302" is recommended.
 	define('REDIRECT_HTTP',	302, true);
 	
+	// Robot stuff
+	// Strip repeating characters when making hashes
+	define('ROBOT_ENABLE', true, true);
+	define('ROBOT_STRIP_REPEATING', true, true);
+	
+	
 	/* 
 		Mod stuff
 	*/
@@ -206,6 +213,8 @@
 	define('MOD_LOCK', MOD_MOD, true);
 	// Post in a locked thread
 	define('MOD_POSTINLOCKED', MOD_MOD, true);
+	// Post bypass unoriginal content check
+	define('MOD_POSTUNORIGINAL', MOD_MOD, true);
 	
 	/* Administration */
 	// Display the contents of instant-config.php

inc/functions.php

@@ -261,7 +261,62 @@
 		$query->bindValue(':id', $id, PDO::PARAM_INT);
 		$query->execute() or error(db_error($query));
 	}
-
+	
+	// Delete a post (reply or thread)
+	function deletePost($id) {
+		global $board;
+		
+		// Select post and replies (if thread) in one query
+		$query = prepare(sprintf("SELECT `id`,`thread`,`thumb`,`file` FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
+		$query->bindValue(':id', $id, PDO::PARAM_INT);
+		$query->execute() or error(db_error($query));
+		
+		if($query->rowCount() < 1) {
+			error(ERROR_INVALIDPOST);
+		}
+		
+		// Delete posts and maybe replies
+		while($post = $query->fetch()) {
+			if(!$post['thread']) {
+				// Delete thread HTML page
+				@unlink($board['dir'] . DIR_RES . sprintf(FILE_PAGE, $post['id']));
+			} elseif($query->rowCount() == 1) {
+				// Rebuild thread
+				$rebuild = $post['thread'];
+			}
+			if($post['thumb']) {
+				// Delete thumbnail
+				@unlink($board['dir'] . DIR_THUMB . $post['thumb']);
+			}
+			if($post['file']) {
+				// Delete file
+				@unlink($board['dir'] . DIR_IMG . $post['file']);
+			}
+		}
+		
+		$query = prepare(sprintf("DELETE FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
+		$query->bindValue(':id', $id, PDO::PARAM_INT);
+		$query->execute() or error(db_error($query));
+		
+		if(isset($rebuild)) {
+			buildThread($rebuild);
+		}
+	}
+	
+	function clean() {
+		global $board;
+		$offset = round(MAX_PAGES*THREADS_PER_PAGE);
+		
+		// I too wish there was an easier way of doing this...
+		$query = prepare(sprintf("SELECT `id` FROM `posts_%s` WHERE `thread` IS NULL ORDER BY `sticky` DESC, `bump` DESC LIMIT :offset, 9001", $board['uri']));
+		$query->bindValue(':offset', $offset, PDO::PARAM_INT);
+		
+		$query->execute() or error(db_error($query));
+		while($post = $query->fetch()) {
+			deletePost($post['id']);
+		}
+	}
+	
 	function index($page, $mod=false) {
 		global $board;
 
@@ -323,7 +378,41 @@
 		
 		return $pages;
 	}
+	
+	function makerobot($body) {
+		$body = strtolower($body);
+		
+		// Leave only letters
+		$body = preg_replace('/[^a-z]/i', '', $body);
+		// Remove repeating characters
+		if(ROBOT_STRIP_REPEATING)
+			$body = preg_replace('/(.)\\1+/', '$1', $body);
+		
+		return sha1($body);
+	}
+	
+	function checkRobot($body) {
+		/* CREATE TABLE `robot` (
+`hash` VARCHAR( 40 ) NOT NULL COMMENT  'SHA1'
+) ENGINE = INNODB; */
 
+		$body = makerobot($body);
+		$query = prepare("SELECT 1 FROM `robot` WHERE `hash` = :hash LIMIT 1");
+		$query->bindValue(':hash', $body);
+		$query->execute() or error(db_error($query));
+
+		if($query->fetch()) {
+			return true;
+		} else {
+			// Insert new hash
+			
+			$query = prepare("INSERT INTO `robot` VALUES (:hash)");
+			$query->bindValue(':hash', $body);
+			$query->execute() or error(db_error($query));
+			return false;
+		}
+	}
+	
 	function buildIndex() {
 		global $board;
 		sql_open();
@@ -417,6 +506,7 @@
 			$body = preg_replace("/(^|\n)==(.+?)==\n?/m", "<h2>$2</h2>", $body);
 			$body = preg_replace("/'''(.+?)'''/m", "<strong>$1</strong>", $body);
 			$body = preg_replace("/''(.+?)''/m", "<em>$1</em>", $body);
+			$body = preg_replace("/\*\*(.+?)\*\*/m", "<span class=\"spoiler\">$1</span>", $body);
 		}
 		$body = preg_replace("/\n/", '<br/>', $body);
 	}

inc/mod.php

@@ -209,45 +209,4 @@
 		
 		buildThread($post['thread']);
 	}
-	
-	// Delete a post (reply or thread)
-	function deletePost($id) {
-		global $board;
-		
-		// Select post and replies (if thread) in one query
-		$query = prepare(sprintf("SELECT `id`,`thread`,`thumb`,`file` FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
-		$query->bindValue(':id', $id, PDO::PARAM_INT);
-		$query->execute() or error(db_error($query));
-		
-		if($query->rowCount() < 1) {
-			error(ERROR_INVALIDPOST);
-		}
-		
-		// Delete posts and maybe replies
-		while($post = $query->fetch()) {
-			if(!$post['thread']) {
-				// Delete thread HTML page
-				@unlink($board['dir'] . DIR_RES . sprintf(FILE_PAGE, $post['id']));
-			} elseif($query->rowCount() == 1) {
-				// Rebuild thread
-				$rebuild = $post['thread'];
-			}
-			if($post['thumb']) {
-				// Delete thumbnail
-				@unlink($board['dir'] . DIR_THUMB . $post['thumb']);
-			}
-			if($post['file']) {
-				// Delete file
-				@unlink($board['dir'] . DIR_IMG . $post['file']);
-			}
-		}
-		
-		$query = prepare(sprintf("DELETE FROM `posts_%s` WHERE `id` = :id OR `thread` = :id", $board['uri']));
-		$query->bindValue(':id', $id, PDO::PARAM_INT);
-		$query->execute() or error(db_error($query));
-		
-		if(isset($rebuild)) {
-			buildThread($rebuild);
-		}
-	}
 ?>

post.php

@@ -147,6 +147,9 @@
 		if(checkFlood($post))
 			error(ERROR_FLOOD);
 		
+		if(!($mod && $mod['type'] >= MOD_POSTUNORIGINAL) && ROBOT_ENABLE && checkRobot($post['body']))
+			error(ERROR_UNORIGINAL);
+		
 		if($post['has_file']) {
 			// Just trim the filename if it's too long
 			if(strlen($post['filename']) > 30) $post['filename'] = substr($post['filename'], 0, 27).'…';
@@ -221,7 +224,6 @@
 		}
 		
 		// Todo: Validate some more, remove messy code, allow more specific configuration
-		
 		$id = post($post, $OP);
 		
 		if($post['has_file'] && $post['zip']) {
@@ -322,10 +324,13 @@
 		
 		buildThread(($OP?$id:$post['thread']));
 		
-		if(!$OP) {
+		if(!$OP && $post['email'] != 'sage') {
 			bumpThread($post['thread']);
 		}
 		
+		if($OP)
+			clean();
+		
 		buildIndex();
 		sql_close();
 		

style.css

@@ -199,6 +199,10 @@ span.controls.op {
 span.controls a {
 	margin: 0;
 }
+div#wrap {
+	width: 900px;
+	margin:0 auto;
+}
 div.ban {
 	background: white;
 	border: 1px solid #98E;
@@ -219,4 +223,10 @@ div.ban p {
 }
 div.ban p.reason {
 	font-weight: bold;
+}
+span.spoiler {
+	background: black;
+}
+span.spoiler:hover {
+	color: white;
 }