1 files changed, 134 insertions, 0 deletions
diff --git a/mod/cloud.php b/mod/cloud.php
new file mode 100644
index 000000000..3606325bd
--- /dev/null
+++ b/mod/cloud.php
@@ -0,0 +1,134 @@
+<?php
+
+	use Sabre\DAV;
+
+    require_once('vendor/autoload.php');
+
+
+	// workaround for HTTP-auth in CGI mode
+	if(x($_SERVER,'REDIRECT_REMOTE_USER')) {
+	 	$userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"],6)) ;
+		if(strlen($userpass)) {
+		 	list($name, $password) = explode(':', $userpass);
+			$_SERVER['PHP_AUTH_USER'] = $name;
+			$_SERVER['PHP_AUTH_PW'] = $password;
+		}
+	}
+
+	if(x($_SERVER,'HTTP_AUTHORIZATION')) {
+	 	$userpass = base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"],6)) ;
+		if(strlen($userpass)) {
+		 	list($name, $password) = explode(':', $userpass);
+			$_SERVER['PHP_AUTH_USER'] = $name;
+			$_SERVER['PHP_AUTH_PW'] = $password;
+		}
+	}
+
+
+
+
+
+function cloud_init(&$a) {
+
+	require_once('include/reddav.php');
+
+	if(! is_dir('store'))
+		mkdir('store',STORAGE_DEFAULT_PERMISSIONS,false);
+
+	$which = null;
+	if(argc() > 1)
+		$which = argv(1);
+
+	$profile = 0;
+	$channel = $a->get_channel();
+
+	$a->page['htmlhead'] .= '<link rel="alternate" type="application/atom+xml" href="' . $a->get_baseurl() . '/feed/' . $which .'" />' . "\r\n" ;
+
+	if($which)
+		profile_load($a,$which,$profile);
+
+
+
+
+	$auth = new RedBasicAuth();
+
+	$ob_hash = get_observer_hash();
+
+	if($ob_hash) {
+		if(local_user()) {
+			$channel = $a->get_channel();
+			$auth->setCurrentUser($channel['channel_address']);
+			$auth->channel_name = $channel['channel_address'];
+			$auth->channel_id = $channel['channel_id'];
+			$auth->channel_hash = $channel['channel_hash'];
+			if($channel['channel_timezone'])
+				$auth->timezone = $channel['channel_timezone'];
+		}	
+		$auth->observer = $ob_hash;
+	}	
+
+	if($_GET['davguest'])
+		$_SESSION['davguest'] = true;
+
+
+
+	$_SERVER['QUERY_STRING'] = str_replace(array('?f=','&f='),array('',''),$_SERVER['QUERY_STRING']);
+	$_SERVER['QUERY_STRING'] = strip_zids($_SERVER['QUERY_STRING']);
+	$_SERVER['QUERY_STRING'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism','',$_SERVER['QUERY_STRING']);
+
+	$_SERVER['REQUEST_URI'] = str_replace(array('?f=','&f='),array('',''),$_SERVER['REQUEST_URI']);
+	$_SERVER['REQUEST_URI'] = strip_zids($_SERVER['REQUEST_URI']);
+	$_SERVER['REQUEST_URI'] = preg_replace('/[\?&]davguest=(.*?)([\?&]|$)/ism','',$_SERVER['REQUEST_URI']);
+
+	$rootDirectory = new RedDirectory('/',$auth);
+	$server = new DAV\Server($rootDirectory);
+	$lockBackend = new DAV\Locks\Backend\File('store/[data]/locks');
+	$lockPlugin = new DAV\Locks\Plugin($lockBackend);
+
+	$server->addPlugin($lockPlugin);
+
+	// The next section of code allows us to bypass prompting for http-auth if a FILE is being accessed anonymously and permissions
+	// allow this. This way one can create hotlinks to public media files in their cloud and anonymous viewers won't get asked to login.
+	// If a DIRECTORY is accessed or there are permission issues accessing the file and we aren't previously authenticated via zot, 
+	// prompt for HTTP-auth. This will be the default case for mounting a DAV directory. 
+	// In order to avoid prompting for passwords for viewing a DIRECTORY, add the URL query parameter 'davguest=1'
+
+	$isapublic_file = false;
+	$davguest = ((x($_SESSION,'davguest')) ? true : false);
+
+	if((! $auth->observer) && ($_SERVER['REQUEST_METHOD'] === 'GET')) {
+		try { 
+			$x = RedFileData('/' . $a->cmd,$auth);
+			if($x instanceof RedFile)
+				$isapublic_file = true;
+		}
+		catch  ( Exception $e ) {
+			$isapublic_file = false;
+		}
+	}
+
+	if((! $auth->observer) && (! $isapublic_file) && (! $davguest)) {
+		try {
+			$auth->Authenticate($server, t('Red Matrix - Guests: Username: {your email address}, Password: +++'));
+		}
+		catch ( Exception $e) {
+			logger('mod_cloud: auth exception' .  $e->getMessage());
+			http_status_exit($e->getHTTPCode(),$e->getMessage());
+		}
+	}
+
+//	$browser = new DAV\Browser\Plugin();
+
+	$browser = new RedBrowser($auth);
+
+	$auth->setBrowserPlugin($browser);
+
+
+	$server->addPlugin($browser);
+
+
+	// All we need to do now, is to fire up the server
+	$server->exec();
+
+	killme();
+}
+\ No newline at end of file