Viewing file:  MetadataHandler.php (5.78 KB) -rwxr-xr-x
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<?php
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
class MetadataHandler {
public function process($requests) {
$response = array();
foreach ($requests->gadgets as $gadget) {
try {
$gadgetUrl = $gadget->url;
$gadgetModuleId = $gadget->moduleId;
$context = new MetadataGadgetContext($requests->context, $gadgetUrl);
$token = $this->getSecurityToken();
$gadgetServer = new GadgetFactory($context, $token);
$gadget = $gadgetServer->createGadget($gadgetUrl);
$response[] = $this->makeResponse($gadget, $gadgetModuleId, $gadgetUrl, $context);
} catch (Exception $e) {
$response[] = array('errors' => array($e->getMessage()),
'moduleId' => $gadgetModuleId, 'url' => $gadgetUrl);
}
}
return $response;
}
private function getSecurityToken() {
$token = isset($_POST['st']) ? $_POST['st'] : (isset($_GET['st']) ? $_GET['st'] : '');
if (empty($token)) {
if (Config::get('allow_anonymous_token')) {
// no security token, continue anonymously, remeber to check
// for private profiles etc in your code so their not publicly
// accessable to anoymous users! Anonymous == owner = viewer = appId = modId = 0
// create token with 0 values, no gadget url, no domain and 0 duration
$gadgetSigner = Config::get('security_token');
return new $gadgetSigner(null, 0, SecurityToken::$ANONYMOUS, SecurityToken::$ANONYMOUS, 0, '', '', 0, Config::get('container_id'));
} else {
return null;
}
}
if (count(explode(':', $token)) != 7) {
$token = urldecode(base64_decode($token));
}
$gadgetSigner = Config::get('security_token_signer');
$gadgetSigner = new $gadgetSigner();
return $gadgetSigner->createToken($token);
}
private function getIframeURL(Gadget $gadget, GadgetContext $context) {
$v = $gadget->getChecksum();
$view = $gadget->getView($context->getView());
$up = '';
foreach ($gadget->gadgetSpec->userPrefs as $pref) {
$up .= '&up_' . urlencode($pref['name']) . '=' . urlencode($pref['value']);
}
$locale = $context->getLocale();
//Note: putting the URL last, else some browsers seem to get confused (reported by hi5)
return Config::get('default_iframe_prefix') . 'container=' . $context->getContainer() . ($context->getIgnoreCache() ? '&nocache=1' : '&v=' . $v) . ($context->getModuleId() != 0 ? '&mid=' . $context->getModuleId() : '') . '&lang=' . $locale['lang'] . '&country=' . $locale['country'] . '&view=' . $view['view'] . $up . '&url=' . urlencode($context->getUrl());
}
private function makeResponse($gadget, $gadgetModuleId, $gadgetUrl, $context) {
$response = array();
$prefs = array();
foreach ($gadget->gadgetSpec->userPrefs as $pref) {
$prefs[$pref['name']] = $pref;
}
$views = array();
foreach ($gadget->gadgetSpec->views as $name => $view) {
// we want to include all information, except for the content
unset($view['content']);
$views[$name] = $view;
}
$oauth = array();
/*
$oauthspec = $gadget->getOAuthSpec();
if (! empty($oauthspec)) {
foreach ($oauthspec->getServices() as $oauthservice) {
$oauth[$oauthservice->getName()] = array("request" => $oauthservice->getRequestUrl(), "access" => $oauthservice->getAccessUrl(), "authorization" => $oauthservice->getAuthorizationUrl());
}
}
*/
$response['iframeUrl'] = $this->getIframeURL($gadget, $context);
$response['features'] = $gadget->features;
$response['links'] = $gadget->gadgetSpec->links;
$response['icons'] = $gadget->gadgetSpec->icon;
$response['views'] = $views;
$response['author'] = $gadget->getAuthor();
$response['authorEmail'] = $gadget->getAuthorEmail();
$response['description'] = $gadget->getDescription();
$response['directoryTitle'] = $gadget->getDirectoryTitle();
$response['screenshot'] = $gadget->getScreenShot();
$response['thumbnail'] = $gadget->getThumbnail();
$response['title'] = $gadget->getTitle();
$response['titleUrl'] = $gadget->getTitleUrl();
$response['authorAffiliation'] = $gadget->getAuthorAffiliation();
$response['authorLocation'] = $gadget->getAuthorLocation();
$response['authorPhoto'] = $gadget->getAuthorPhoto();
$response['authorAboutme'] = $gadget->getAuthorAboutme();
$response['authorQuote'] = $gadget->getAuthorQuote();
$response['authorLink'] = $gadget->getAuthorLink();
$response['showInDirectory'] = $gadget->getShowInDirectory();
$response['showStats'] = $gadget->getShowStats();
$response['width'] = $gadget->getWidth();
$response['height'] = $gadget->getHeight();
$response['categories'] = Array($gadget->getCategory(), $gadget->getCategory2());
$response['singleton'] = $gadget->getSingleton();
$response['scaling'] = $gadget->getScaling();
$response['scrolling'] = $gadget->getScrolling();
$response['moduleId'] = $gadgetModuleId;
$response['url'] = $gadgetUrl;
$response['userPrefs'] = $prefs;
$response['oauth'] = $oauth;
return $response;
}
}
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