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diff --git a/config/config.inc.php.dist b/config/config.inc.php.dist
index c305a32..65489ed 100644
--- a/config/config.inc.php.dist
+++ b/config/config.inc.php.dist
@@ -1,95 +1,95 @@
<?php
// This file contains Chwala configuration options.
// Real config file must contain or include Roundcube Framework config.
// ------------------------------------------------
// Global settings
// ------------------------------------------------
// Main files source, backend driver which handles
// authentication and configuration of Chwala
// Note: Currently only 'kolab' is supported
$config['fileapi_backend'] = 'kolab';
// Enabled external storage drivers
// Note: Currenty only 'seafile' and webdav is available
$config['fileapi_drivers'] = array('seafile', 'webdav');
// Pre-defined list of external storage sources.
// Here admins can define sources which will be "mounted" into users folder tree
/*
$config['fileapi_sources'] = array(
'Seafile' => array(
'driver' => 'seafile',
'host' => 'seacloud.cc',
// when username is set to '%u' current user name and password
// will be used to authenticate to this storage source
'username' => '%u',
),
'Public-Files' => array(
'driver' => 'webdav',
'baseuri' => 'https://some.host.tld/Files',
'username' => 'admin',
'password' => 'pass',
),
);
*/
// Manticore service URL. Enables use of WebODF collaborative editor.
// Note: this URL should be accessible from Chwala host and Roundcube host as well.
$config['fileapi_manticore'] = null;
// WOPI/Office service URL. Enables use of collaborative editor supporting WOPI.
// Note: this URL should be accessible from Chwala host and Roundcube host as well.
$config['fileapi_wopi_office'] = null;
// Kolab WOPI service URL. Enables use of collaborative editor supporting WOPI.
// Note: this URL should be accessible from Chwala host and Office host as well.
$config['fileapi_wopi_service'] = null;
// Name of the user interface skin.
$config['file_api_skin'] = 'default';
// Chwala UI communicates with Chwala API via HTTP protocol
// The URL here is a location of Chwala API service. By default
// the UI location is used with addition of /api/ suffix.
$config['file_api_url'] = '';
// Type of Chwala cache. Supported values: 'db', 'apc' and 'memcache'.
// Note: This is only for some additional data like WOPI capabilities.
-$config['chwala_cache'] = 'db';
+$config['fileapi_cache'] = 'db';
// lifetime of Chwala cache
// possible units: s, m, h, d, w
-$config['chwala_cache_ttl'] = '1d';
+$config['fileapi_cache_ttl'] = '1d';
// ------------------------------------------------
// SeaFile driver settings
// ------------------------------------------------
// Enables SeaFile Web API conversation log
$config['fileapi_seafile_debug'] = true;
// Enables caching of some SeaFile information e.g. folders list
// Note: 'db', 'apc' and 'memcache' are supported
$config['fileapi_seafile_cache'] = 'db';
// Expiration time of SeaFile cache entries
$config['fileapi_seafile_cache_ttl'] = '7d';
// Default SeaFile Web API host
// Note: http:// and https:// (default) prefixes can be used here
$config['fileapi_seafile_host'] = 'localhost';
// Enables SSL certificates validation when connecting
// with any SeaFile server
$config['fileapi_seafile_ssl_verify_host'] = false;
$config['fileapi_seafile_ssl_verify_peer'] = false;
// ------------------------------------------------
// WebDAV driver settings
// ------------------------------------------------
// Default URI location for WebDAV storage
$config['fileapi_webdav_baseuri'] = 'https://localhost/iRony';
diff --git a/lib/file_wopi.php b/lib/file_wopi.php
index ef45445..dd82429 100644
--- a/lib/file_wopi.php
+++ b/lib/file_wopi.php
@@ -1,313 +1,312 @@
<?php
/**
+--------------------------------------------------------------------------+
| This file is part of the Kolab File API |
| |
| Copyright (C) 2012-2016, Kolab Systems AG |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU Affero General Public License as published |
| by the Free Software Foundation, either version 3 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 Affero General Public License for more details. |
| |
| You should have received a copy of the GNU Affero General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/> |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Document editing sessions handling (WOPI)
*/
class file_wopi extends file_document
{
protected $cache;
// Mimetypes supported by CODE, but not advertised by all possible names
protected $aliases = array(
'application/vnd.corel-draw' => 'image/x-coreldraw',
);
/**
* Return viewer URI for specified file/session. This creates
* a new collaborative editing session when needed.
*
* @param string $file File path
* @param array &$file_info File metadata (e.g. type)
* @param string &$session_id Optional session ID to join to
* @param string $readonly Create readonly (one-time) session
*
* @return string WOPI URI for specified document
* @throws Exception
*/
public function session_start($file, &$file_info, &$session_id = null, $readonly = false)
{
parent::session_start($file, $file_info, $session_id, $readonly);
if ($session_id) {
// Create Chwala session for use as WOPI access_token
// This session will have access to this one document session only
$keys = array('env', 'user_id', 'user', 'username', 'password',
'storage_host', 'storage_port', 'storage_ssl');
$data = array_intersect_key($_SESSION, array_flip($keys));
$data['document_session'] = $session_id;
$this->token = $this->api->session->create($data);
}
return $this->frame_uri($session_id, $file_info['type']);
}
/**
* Generate URI of WOPI editing session (WOPIsrc)
*/
protected function frame_uri($id, $mimetype)
{
$capabilities = $this->capabilities();
if (empty($capabilities) || empty($mimetype)) {
return;
}
$metadata = $capabilities[strtolower($mimetype)];
if (empty($metadata)) {
return;
}
$office_url = rtrim($metadata['urlsrc'], ' /?'); // collabora
$service_url = rtrim($this->rc->config->get('fileapi_wopi_service'), ' /'); // kolab-wopi
$service_url .= '/wopi/files/' . $id;
// @TODO: Parsing and replacing placeholder values
// https://wopi.readthedocs.io/en/latest/discovery.html#action-urls
$args = array('WOPISrc' => $service_url);
// We could also set: title, closebutton, revisionhistory
// @TODO: do it in editor_post_params() when supported by the editor
if ($lang = $this->api->env['language']) {
$args['lang'] = str_replace('_', '-', $lang);
}
return $office_url . '?' . http_build_query($args, '', '&');
}
/**
* Retern extra viewer parameters to post to the viewer iframe
*
* @param array $info File info
*
* @return array POST parameters
*/
public function editor_post_params($info)
{
// Access token TTL (number of milliseconds since January 1, 1970 UTC)
if ($ttl = $this->rc->config->get('session_lifetime', 0) * 60) {
$now = new DateTime('now', new DateTimeZone('UTC'));
$ttl = ($ttl + $now->format('U')) . '000';
}
$params = array(
'access_token' => $this->token,
'access_token_ttl' => $ttl ?: 0,
);
return $params;
}
/**
* List supported mimetypes
*
* @param bool $editable Return only editable mimetypes
*
* @return array List of supported mimetypes
*/
public function supported_filetypes($editable = false)
{
$caps = $this->capabilities();
if ($editable) {
$editable = array();
foreach ($caps as $mimetype => $c) {
if ($c['name'] == 'edit') {
$editable[] = $mimetype;
}
}
return $editable;
}
return array_keys($caps);
}
/**
* Uses WOPI discovery to get Office capabilities
* https://wopi.readthedocs.io/en/latest/discovery.html
*/
protected function capabilities()
{
$cache_key = 'wopi.capabilities';
if ($result = $this->get_from_cache($cache_key)) {
return $this->apply_aliases($result);
}
$office_url = rtrim($this->rc->config->get('fileapi_wopi_office'), ' /');
$office_url .= '/hosting/discovery';
try {
$request = $this->http_request();
$request->setMethod(HTTP_Request2::METHOD_GET);
$request->setBody('');
$request->setUrl($office_url);
$response = $request->send();
$body = $response->getBody();
$code = $response->getStatus();
if (empty($body) || $code != 200) {
throw new Exception("Unexpected WOPI discovery response");
}
}
catch (Exception $e) {
rcube::raise_error($e, true, true);
}
// parse XML output
// <wopi-discovery>
// <net-zone name="external-http">
// <app name="application/vnd.lotus-wordpro">
// <action ext="lwp" name="edit" urlsrc="https://office.example.org/loleaflet/1.8.3/loleaflet.html?"/>
// </app>
// ...
$node = new DOMDocument('1.0', 'UTF-8');
$node->loadXML($body);
$result = array();
foreach ($node->getElementsByTagName('app') as $app) {
if ($mimetype = $app->getAttribute('name')) {
if ($action = $app->getElementsByTagName('action')->item(0)) {
foreach ($action->attributes as $attr) {
$result[$mimetype][$attr->name] = $attr->value;
}
}
}
}
if (empty($result)) {
rcube::raise_error("Failed to parse WOPI discovery response: $body", true, true);
}
$this->save_in_cache($cache_key, $result);
return $this->apply_aliases($result);
}
/**
* Initializes HTTP request object
*/
protected function http_request()
{
require_once 'HTTP/Request2.php';
$request = new HTTP_Request2();
// Configure connection options
$config = $this->rc->config;
$http_config = (array) $config->get('http_request', $config->get('kolab_http_request'));
// Deprecated config, all options are separated variables
if (empty($http_config)) {
$options = array(
'ssl_verify_peer',
'ssl_verify_host',
'ssl_cafile',
'ssl_capath',
'ssl_local_cert',
'ssl_passphrase',
'follow_redirects',
);
foreach ($options as $optname) {
if (($optvalue = $config->get($optname)) !== null
|| ($optvalue = $config->get('kolab_' . $optname)) !== null
) {
$http_config[$optname] = $optvalue;
}
}
}
if (!empty($http_config)) {
try {
$request->setConfig($http_config);
}
catch (Exception $e) {
rcube::log_error("HTTP: " . $e->getMessage());
}
}
// proxy User-Agent
$request->setHeader('user-agent', $_SERVER['HTTP_USER_AGENT']);
// some HTTP server configurations require this header
$request->setHeader('accept', "application/json,text/javascript,*/*");
return $request;
}
/**
* Get cached data
*/
protected function get_from_cache($key)
{
- if ($cache = $this->get_cache) {
+ if ($cache = $this->get_cache()) {
return $cache->get($key);
}
}
/**
* Store data in cache
*/
protected function save_in_cache($key, $value)
{
- if ($cache = $this->get_cache) {
+ if ($cache = $this->get_cache()) {
$cache->set($key, $value);
}
}
/**
* Getter for the shared cache engine object
*/
protected function get_cache()
{
if ($this->cache === null) {
- $cache = $this->rc->get_cache_shared('chwala');
- $this->cache = $cache ?: false;
+ $this->cache = $this->rc->get_cache_shared('fileapi') ?: false;
}
return $this->cache;
}
/**
* Support more mimetypes in CODE capabilities
*/
protected function apply_aliases($caps)
{
foreach ($this->aliases as $type => $alias) {
if (isset($caps[$type]) && !isset($caps[$alias])) {
$caps[$alias] = $caps[$type];
}
}
return $caps;
}
}

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