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diff --git a/lib/file_ui_api.php b/lib/file_ui_api.php
index afc78eb..c63342f 100644
--- a/lib/file_ui_api.php
+++ b/lib/file_ui_api.php
@@ -1,280 +1,285 @@
<?php
/*
+--------------------------------------------------------------------------+
| This file is part of the Kolab File API |
| |
| Copyright (C) 2011-2012, 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> |
+--------------------------------------------------------------------------+
*/
/**
* Helper class to connect to the API
*/
class file_ui_api
{
/**
* @var HTTP_Request2
*/
private $request;
/**
* @var string
*/
private $base_url;
const ERROR_INTERNAL = 100;
const ERROR_CONNECTION = 200;
+ const ACCEPT_HEADER = "application/json,text/javascript,*/*";
+
/**
* Class constructor.
*
* @param string $base_url Base URL of the Kolab API
*/
public function __construct($base_url)
{
$this->base_url = $base_url;
$this->init();
}
/**
* Initializes HTTP Request object.
*/
public function init()
{
require_once 'HTTP/Request2.php';
$this->request = new HTTP_Request2();
self::configure($this->request);
}
/**
* Configure HTTP_Request2 object
*
* @param HTTP_Request2 $request Request object
*/
public static function configure($request)
{
// Configure connection options
$config = rcube::get_instance()->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', self::ACCEPT_HEADER);
}
/**
* Return API's base URL
*
* @return string Base URL
*/
public function base_url()
{
return $this->base_url;
}
/**
* Return HTTP_Request2 object
*
* @return HTTP_Request2 Request object
*/
public function request()
{
return $this->request;
}
/**
* Logs specified user into the API
*
* @param string $username User name
* @param string $password User password
*
* @return file_ui_api_result Request response
*/
public function login($username, $password)
{
$query = array(
'username' => $username,
'password' => $password,
);
$response = $this->post('authenticate', null, $query);
return $response;
}
/**
* Logs specified user out of the API
*
* @return bool True on success, False on failure
*/
public function logout()
{
$response = $this->get('quit');
return $response->get_error_code() ? false : true;
}
/**
* Sets session token value.
*
* @param string $token Token string
*/
public function set_session_token($token)
{
$this->request->setHeader('X-Session-Token', $token);
}
/**
* Gets capabilities of the API (according to logged in user).
*
* @return kolab_client_api_result Capabilities response
*/
public function get_capabilities()
{
$this->get('capabilities');
}
/**
* API's GET request.
*
* @param string $action Action name
* @param array $args Request arguments
*
* @return file_ui_api_result Response
*/
public function get($action, $args = array())
{
$url = $this->build_url($action, $args);
// Log::trace("Calling API GET: $url");
$this->request->setMethod(HTTP_Request2::METHOD_GET);
return $this->get_response($url);
}
/**
* API's POST request.
*
* @param string $action Action name
* @param array $url_args URL arguments
* @param array $post POST arguments
*
* @return kolab_client_api_result Response
*/
public function post($action, $url_args = array(), $post = array())
{
$url = $this->build_url($action, $url_args);
// Log::trace("Calling API POST: $url");
$this->request->setMethod(HTTP_Request2::METHOD_POST);
$this->request->addPostParameter($post);
return $this->get_response($url);
}
/**
* @param string $action Action GET parameter
* @param array $args GET parameters (hash array: name => value)
*
* @return Net_URL2 URL object
*/
private function build_url($action, $args)
{
$url = new Net_URL2($this->base_url);
$args['method'] = $action;
$url->setQueryVariables($args);
return $url;
}
/**
* HTTP Response handler.
*
* @param Net_URL2 $url URL object
*
* @return kolab_client_api_result Response object
*/
private function get_response($url)
{
try {
$this->request->setUrl($url);
$response = $this->request->send();
}
catch (Exception $e) {
return new file_ui_api_result(null,
self::ERROR_CONNECTION, $e->getMessage());
}
try {
$body = $response->getBody();
}
catch (Exception $e) {
return new file_ui_api_result(null,
self::ERROR_INTERNAL, $e->getMessage());
}
$body = @json_decode($body, true);
$err_code = null;
$err_str = null;
if (is_array($body) && (empty($body['status']) || $body['status'] != 'OK')) {
$err_code = !empty($body['code']) ? $body['code'] : self::ERROR_INTERNAL;
$err_str = !empty($body['reason']) ? $body['reason'] : 'Unknown error';
}
else if (!is_array($body)) {
$err_code = self::ERROR_INTERNAL;
$err_str = 'Unable to decode response';
}
return new file_ui_api_result($body, $err_code, $err_str);
}
}

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