1 files changed, 125 insertions, 5 deletions

diff --git a/inc/mod.php b/inc/mod.php
index 00f94544..83e4cfdf 100644
--- a/inc/mod.php
+++ b/inc/mod.php
@@ -1,8 +1,96 @@
-<?php
-
+<?php
+	// 'false' means that the user is not logged in as a moderator
+	$mod = false;
+	
+	// Creates a small random string for validating moderators' cookies
+	function mkhash($length=12) {
+		// The method here isn't really important,
+		// but I think this generates a relatively
+		// unique string that looks cool.
+		// If you choose to change this, make sure it cannot include a ':' character.
+		return substr(base64_encode(sha1(rand() . time(), true)), 0, $length);
+	}
+	
+	function login($username, $password, $makehash=true) {
+		global $sql, $mod;
+		
+		// SHA1 password
+		if($makehash) {
+			$password = sha1($password);
+		}
+		
+		$res = mysql_query(sprintf(
+			"SELECT `id`,`type` FROM `mods` WHERE `username` = '%s' AND `password` = '%s' LIMIT 1",
+				mysql_real_escape_string($username),
+				$password
+		), $sql) or error(mysql_error($sql));
+		
+		if($user = mysql_fetch_array($res)) {
+			return $mod = Array(
+				'id' => $user['id'],
+				'type' => $user['type'],
+				'username' => $username,
+				'password' => $password,
+				'hash' => isset($_SESSION['mod']['hash']) ? $_SESSION['mod']['hash'] : mkhash()
+				);
+		} else return false;
+	}
+	
+	function setCookies() {
+		global $mod;
+		if(!$mod) error('setCookies() was called for a non-moderator!');
+		
+		// MOD_COOKIE contains username:hash
+		setcookie(MOD_COOKIE, $mod['username'] . ':' . $mod['hash'], time()+COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
+		
+		// Put $mod in the session
+		$_SESSION['mod'] = $mod;
+		
+		// Lock sessions to IP addresses
+		if(MOD_LOCK_IP)
+			$_SESSION['mod']['ip'] = $_SERVER['REMOTE_ADDR'];
+	}
+	
+	function destroyCookies() {
+		// Delete the cookies
+		setcookie(MOD_COOKIE, 'deleted', time()-COOKIE_EXPIRE, JAIL_COOKIES?ROOT:'/', null, false, true);
+		
+		// Unset the session
+		unset($_SESSION['mod']);
+	}
+	
+	if(isset($_COOKIE['mod']) && isset($_SESSION['mod']) && is_array($_SESSION['mod'])) {
+		// Should be username:session hash
+		$cookie = explode(':', $_COOKIE['mod']);
+		if(count($cookie) != 2) {
+			destroyCookies();
+			error(ERROR_MALFORMED);
+		}
+		
+		// Validate session
+		if(	$cookie[0] != $_SESSION['mod']['username'] ||
+			$cookie[1] != $_SESSION['mod']['hash']) {
+			// Malformed cookies
+			destroyCookies();
+			error(ERROR_MALFORMED);
+		}
+		
+		// Open connection
+		sql_open();
+		
+		// Check username/password
+		if(!login($_SESSION['mod']['username'], $_SESSION['mod']['password'], false)) {
+			destroyCookies();
+			error(ERROR_INVALIDAFTER);
+		}
+		
+	}
+	
 	// Generates a <ul> element with a list of linked
 	// boards and their subtitles.
 	function ulBoards() {
+		global $mod;
+		
 		$body = '<ul>';
 		
 		// List of boards
@@ -14,12 +102,44 @@
 						sprintf(BOARD_PATH, $b['uri']) . FILE_INDEX .
 						'">' .
 					sprintf(BOARD_ABBREVIATION, $b['uri']) .
-					'</a>' .
-					(isset($b['subtitle']) ? ' - ' . $b['subtitle'] : '') . 
+					'</a> - ' .
+					$b['title'] .
+					(isset($b['subtitle']) ? '<span class="unimportant"> — ' . $b['subtitle'] . '</span>' : '') . 
 				'</li>';
 		}
 		
+		if($mod['type'] == MOD_ADMIN) {
+			$body .= '<li style="margin-top:15px;"><a href="?/new"><strong>Create new board</strong></a></li>';
+		}
 		return $body . '</ul>';
 	}
-
+	
+	function form_newBoard() {
+		return '<fieldset><legend>New board</legend>' . 
+					'<form action="?/new" method="post">' . 
+						'<table>' .
+						'<tr>' . 
+							'<th><label for="board">URI:</label></th>' .
+							'<td><input type="text" name="uri" id="board" size="3" maxlength="8" />' .
+							' <span class="unimportant">(eg. "b"; "mu")</span>' .
+						'</tr>' . 
+						'<tr>' . 
+							'<th><label for="title">Title:</label></th>' .
+							'<td><input type="text" name="title" id="title" size="15" maxlength="20" />' .
+							' <span class="unimportant">(eg. "Random")</span>' .
+						'</tr>' . 
+						'<tr>' . 
+							'<th><label for="subtitle">Subtitle:</label></th>' .
+							'<td><input type="text" name="subtitle" id="subtitle" size="20" maxlength="40" />' .
+							' <span class="unimportant">(optional)</span>' .
+						'</tr>' . 
+						'<tr>' . 
+							'<td></td>' . 
+							'<td><input name="new_board" type="submit" value="New Board" /></td>' . 
+						'</tr>' . 
+						'</table>' .
+					'</form>' .
+				'</fieldset>';
+	}
+	
 ?>
\ No newline at end of file