zoneminder/web/index.php

252 lines
8.1 KiB
PHP

<?php
//
// ZoneMinder main web interface file, $Date$, $Revision$
// Copyright (C) 2001-2008 Philip Coombes
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
error_reporting( E_ALL );
$debug = false;
if ( $debug ) {
// Use these for debugging, though not both at once!
phpinfo( INFO_VARIABLES );
//error_reporting( E_ALL );
}
// Use new style autoglobals where possible
if ( version_compare( phpversion(), '4.1.0', '<') ) {
$_SESSION = &$HTTP_SESSION_VARS;
$_SERVER = &$HTTP_SERVER_VARS;
}
// Useful debugging lines for mobile devices
if ( false ) {
ob_start();
phpinfo( INFO_VARIABLES );
$fp = fopen( '/tmp/env.html', 'w' );
fwrite( $fp, ob_get_contents() );
fclose( $fp );
ob_end_clean();
}
require_once( 'includes/config.php' );
require_once( 'includes/logger.php' );
require_once( 'includes/Server.php' );
require_once( 'includes/Storage.php' );
require_once( 'includes/Event.php' );
require_once( 'includes/Group.php' );
require_once( 'includes/Monitor.php' );
if ( isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == 'on' ) {
$protocol = 'https';
} else {
$protocol = 'http';
}
define( 'ZM_BASE_PROTOCOL', $protocol );
// Absolute URL's are unnecessary and break compatibility with reverse proxies
// define( "ZM_BASE_URL", $protocol.'://'.$_SERVER['HTTP_HOST'] );
// Use relative URL's instead
define( 'ZM_BASE_URL', '' );
// Check time zone is set
if (!ini_get('date.timezone') || !date_default_timezone_set(ini_get('date.timezone'))) {
date_default_timezone_set('UTC');
Fatal( "ZoneMinder is not installed properly: php's date.timezone is not set to a valid timezone" );
}
if ( isset($_GET['skin']) ) {
$skin = $_GET['skin'];
} else if ( isset($_COOKIE['zmSkin']) ) {
$skin = $_COOKIE['zmSkin'];
} else if ( defined('ZM_SKIN_DEFAULT') ) {
$skin = ZM_SKIN_DEFAULT;
} else {
$skin = 'classic';
}
$skins = array_map( 'basename', glob('skins/*', GLOB_ONLYDIR ) );
if ( ! in_array( $skin, $skins ) ) {
Error( "Invalid skin '$skin' setting to " . $skins[0] );
$skin = $skins[0];
}
if ( isset($_GET['css']) ) {
$css = $_GET['css'];
} elseif ( isset($_COOKIE['zmCSS']) ) {
$css = $_COOKIE['zmCSS'];
} elseif (defined('ZM_CSS_DEFAULT')) {
$css = ZM_CSS_DEFAULT;
} else {
$css = 'classic';
}
$css_skins = array_map( 'basename', glob('skins/'.$skin.'/css/*',GLOB_ONLYDIR) );
if ( ! in_array( $css, $css_skins ) ) {
Error( "Invalid skin css '$css' setting to " . $css_skins[0] );
$css = $css_skins[0];
}
define( 'ZM_BASE_PATH', dirname( $_SERVER['REQUEST_URI'] ) );
define( 'ZM_SKIN_PATH', "skins/$skin" );
define( 'ZM_SKIN_NAME', $skin );
$skinBase = array(); // To allow for inheritance of skins
if ( !file_exists( ZM_SKIN_PATH ) )
Fatal( "Invalid skin '$skin'" );
$skinBase[] = $skin;
$currentCookieParams = session_get_cookie_params();
//Logger::Debug('Setting cookie parameters to lifetime('.$currentCookieParams['lifetime'].') path('.$currentCookieParams['path'].') domain ('.$currentCookieParams['domain'].') secure('.$currentCookieParams['secure'].') httpOnly(1)');
session_set_cookie_params(
$currentCookieParams['lifetime'],
$currentCookieParams['path'],
$currentCookieParams['domain'],
$currentCookieParams['secure'],
true
);
ini_set( 'session.name', 'ZMSESSID' );
session_start();
if ( !isset($_SESSION['skin']) || isset($_REQUEST['skin']) || !isset($_COOKIE['zmSkin']) || $_COOKIE['zmSkin'] != $skin ) {
$_SESSION['skin'] = $skin;
setcookie( 'zmSkin', $skin, time()+3600*24*30*12*10 );
}
if ( !isset($_SESSION['css']) || isset($_REQUEST['css']) || !isset($_COOKIE['zmCSS']) || $_COOKIE['zmCSS'] != $css ) {
$_SESSION['css'] = $css;
setcookie( 'zmCSS', $css, time()+3600*24*30*12*10 );
}
if ( ZM_OPT_USE_AUTH ) {
if ( isset( $_SESSION['user'] ) ) {
$user = $_SESSION['user'];
} else {
unset( $user );
}
} else {
$user = $defaultUser;
}
require_once( 'includes/lang.php' );
require_once( 'includes/functions.php' );
# Running is global but only do the daemonCheck if it is actually needed
$running = null;
# Add Cross domain access headers
CORSHeaders();
// Check for valid content dirs
if ( !is_writable(ZM_DIR_EVENTS) || !is_writable(ZM_DIR_IMAGES) ) {
Error( "Cannot write to content dirs('".ZM_DIR_EVENTS."','".ZM_DIR_IMAGES."'). Check that these exist and are owned by the web account user");
}
# Globals
$redirect = null;
$view = null;
if ( isset($_REQUEST['view']) )
$view = detaintPath($_REQUEST['view']);
$request = null;
if ( isset($_REQUEST['request']) )
$request = detaintPath($_REQUEST['request']);
foreach ( getSkinIncludes( 'skin.php' ) as $includeFile )
require_once $includeFile;
if ( ZM_OPT_USE_AUTH && ZM_AUTH_HASH_LOGINS ) {
if ( empty($user) && ! empty($_REQUEST['auth']) ) {
if ( $authUser = getAuthUser( $_REQUEST['auth'] ) ) {
userLogin( $authUser['Username'], $authUser['Password'], true );
}
} else if ( ! empty($user) ) {
// generate it once here, while session is open. Value will be cached in session and return when called later on
generateAuthHash( ZM_AUTH_HASH_IPS );
}
}
if ( isset($_REQUEST['action']) ) {
$action = detaintPath($_REQUEST['action']);
}
# The only variable we really need to set is action. The others are informal.
isset($view) || $view = NULL;
isset($request) || $request = NULL;
isset($action) || $action = NULL;
if ( ZM_ENABLE_CSRF_MAGIC && $action != 'login' && $view != 'view_video' && $view != 'video' && $request != 'control' && $view != 'frames') {
require_once( 'includes/csrf/csrf-magic.php' );
Logger::Debug("Calling csrf_check with the following values: \$request = \"$request\", \$view = \"$view\", \$action = \"$action\"");
csrf_check();
}
# Need to include actions because it does auth
require_once( 'includes/actions.php' );
# If I put this here, it protects all views and popups, but it has to go after actions.php because actions.php does the actual logging in.
if ( ZM_OPT_USE_AUTH && ! isset($user) ) {
Logger::Debug("Redirecting to login" );
$view = 'login';
$request = null;
}
# Only one request can open the session file at a time, so let's close the session here to improve concurrency.
# Any file/page that sets session variables must re-open it.
session_write_close();
if ( $redirect ) {
header('Location: '.ZM_BASE_URL.$_SERVER['PHP_SELF'].'?view='.$view);
return;
}
if ( isset( $_REQUEST['request'] ) ) {
foreach ( getSkinIncludes( 'ajax/'.$request.'.php', true, true ) as $includeFile ) {
if ( !file_exists( $includeFile ) )
Fatal( "Request '$request' does not exist" );
require_once $includeFile;
}
return;
} else {
if ( $includeFiles = getSkinIncludes( 'views/'.$view.'.php', true, true ) ) {
foreach ( $includeFiles as $includeFile ) {
if ( !file_exists( $includeFile ) )
Fatal( "View '$view' does not exist" );
require_once $includeFile;
}
// If the view overrides $view to 'error', and the user is not logged in, then the
// issue is probably resolvable by logging in, so provide the opportunity to do so.
// The login view should handle redirecting to the correct location afterward.
if ( $view == 'error' && !isset($user) ) {
$view = 'login';
foreach ( getSkinIncludes( 'views/login.php', true, true ) as $includeFile )
require_once $includeFile;
}
}
// If the view is missing or the view still returned error with the user logged in,
// then it is not recoverable.
if ( !$includeFiles || $view == 'error' ) {
foreach ( getSkinIncludes( 'views/error.php', true, true ) as $includeFile )
require_once $includeFile;
}
}
?>