private function getIframeURL(Shindig_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 Shindig_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 renderGadget(Shindig_Gadget $gadget)
{
$view = $gadget->getView($this->context->getView());
if ($view['type'] == 'URL') {
require_once "src/gadgets/render/GadgetUrlRenderer.php";
$gadgetRenderer = new GadgetUrlRenderer($this->context);
} elseif ($view['type'] == 'HTML' && empty($view['href'])) {
require_once "src/gadgets/render/GadgetHtmlRenderer.php";
$gadgetRenderer = new GadgetHtmlRenderer($this->context);
} elseif (empty($view['type']) || !empty($view['href'])) {
require_once "src/gadgets/render/GadgetHrefRenderer.php";
$gadgetRenderer = new GadgetHrefRenderer($this->context);
} else {
throw new GadgetException("Invalid view type");
}
$gadgetRenderer->renderGadget($gadget, $view);
}
/**
* Fetches all remote resources simultaniously using a multiFetchRequest to optimize rendering time.
*
* The preloads will be json_encoded to their gadget document injection format, and the locales will
* be reduced to only the GadgetContext->getLocale matching entries.
*
* @param Gadget $gadget
* @param GadgetContext $context
*/
private function fetchResources(Shindig_Gadget &$gadget)
{
$contextLocale = $this->context->getLocale();
$unsignedRequests = $signedRequests = array();
foreach ($gadget->getLocales() as $key => $locale) {
// Only fetch the locales that match the current context's language and country
if ($locale['country'] == 'all' && $locale['lang'] == 'all' || $locale['lang'] == $contextLocale['lang'] && $locale['country'] == 'all' || $locale['lang'] == $contextLocale['lang'] && $locale['country'] == $contextLocale['country']) {
if (!empty($locale['messages'])) {
// locale matches the current context, add it to the requests queue
$request = new RemoteContentRequest($locale['messages']);
$request->createRemoteContentRequestWithUri($locale['messages']);
$request->getOptions()->ignoreCache = $this->context->getIgnoreCache();
$unsignedRequests[] = $request;
}
} else {
// remove any locales that are not applicable to this context
unset($gadget->gadgetSpec->locales[$key]);
}
}
if (!$gadget->gadgetContext instanceof MetadataGadgetContext) {
// Add preloads to the request queue
foreach ($gadget->getPreloads() as $preload) {
if (!empty($preload['href'])) {
$request = new RemoteContentRequest($preload['href']);
if (!empty($preload['authz']) && $preload['authz'] == 'SIGNED') {
if ($this->token == '') {
throw new GadgetException("Signed preloading requested, but no valid security token set");
}
$request = new RemoteContentRequest($preload['href']);
$request->setAuthType(RemoteContentRequest::$AUTH_SIGNED);
$request->setNotSignedUri($preload['href']);
$request->setToken($this->token);
$request->getOptions()->ignoreCache = $this->context->getIgnoreCache();
if (strcasecmp($preload['signViewer'], 'false') == 0) {
$request->getOptions()->viewerSigned = false;
}
if (strcasecmp($preload['signOwner'], 'false') == 0) {
$request->getOptions()->ownerSigned = false;
}
$signedRequests[] = $request;
} else {
$request->createRemoteContentRequestWithUri($preload['href']);
$request->getOptions()->ignoreCache = $this->context->getIgnoreCache();
$unsignedRequests[] = $request;
}
}
}
// Add template libraries to the request queue
if ($gadget->gadgetSpec->templatesRequireLibraries) {
foreach ($gadget->gadgetSpec->templatesRequireLibraries as $libraryUrl) {
$request = new RemoteContentRequest($libraryUrl);
$request->createRemoteContentRequestWithUri($libraryUrl);
$request->getOptions()->ignoreCache = $this->context->getIgnoreCache();
$unsignedRequests[] = $request;
}
}
}
// Perform the non-signed requests
$responses = array();
if (count($unsignedRequests)) {
$brc = new BasicRemoteContent();
$resps = $brc->multiFetch($unsignedRequests);
foreach ($resps as $response) {
$responses[$response->getUrl()] = array('body' => $response->getResponseContent(), 'rc' => $response->getHttpCode());
}
}
// Perform the signed requests
if (count($signedRequests)) {
$signingFetcherFactory = new SigningFetcherFactory(Shindig_Config::get("private_key_file"));
$remoteFetcherClass = Shindig_Config::get('remote_content_fetcher');
$remoteFetcher = new $remoteFetcherClass();
$remoteContent = new BasicRemoteContent($remoteFetcher, $signingFetcherFactory);
$resps = $remoteContent->multiFetch($signedRequests);
foreach ($resps as $response) {
$responses[$response->getNotSignedUrl()] = array('body' => $response->getResponseContent(), 'rc' => $response->getHttpCode());
}
}
// assign the results to the gadget locales and preloads (using the url as the key)
foreach ($gadget->gadgetSpec->locales as $key => $locale) {
if (!empty($locale['messages']) && isset($responses[$locale['messages']]) && $responses[$locale['messages']]['rc'] == 200) {
$gadget->gadgetSpec->locales[$key]['messageBundle'] = $this->parseMessageBundle($responses[$locale['messages']]['body']);
}
}
if (!$gadget->gadgetContext instanceof MetadataGadgetContext) {
$preloads = array();
foreach ($gadget->gadgetSpec->preloads as $key => $preload) {
if (!empty($preload['href']) && isset($responses[$preload['href']]) && $responses[$preload['href']]['rc'] == 200) {
$preloads[] = array_merge(array('id' => $preload['href']), $responses[$preload['href']]);
}
}
$gadget->gadgetSpec->preloads = $preloads;
if ($gadget->gadgetSpec->templatesRequireLibraries) {
$requiredLibraries = array();
foreach ($gadget->gadgetSpec->templatesRequireLibraries as $key => $libraryUrl) {
if (isset($responses[$libraryUrl]) && $responses[$libraryUrl]['rc'] == 200) {
$requiredLibraries[$libraryUrl] = $responses[$libraryUrl]['body'];
}
}
$gadget->gadgetSpec->templatesRequireLibraries = $requiredLibraries;
}
}
}
/**
* Appends the javascript features configuration string
*
* @param Gadget $gadget
* @param unknown_type $hasForcedLibs
* @return string
*/
private function appendJsConfig(Shindig_Gadget $gadget, $hasForcedLibs)
{
$container = $this->context->getContainer();
$containerConfig = $this->context->getContainerConfig();
//TODO some day we should parse the forcedLibs too, and include their config selectivly as well for now we just include everything if forced libs is set.
if ($hasForcedLibs) {
$gadgetConfig = $containerConfig->getConfig($container, 'gadgets.features');
} else {
$gadgetConfig = array();
$featureConfig = $containerConfig->getConfig($container, 'gadgets.features');
foreach ($gadget->getJsLibraries() as $library) {
$feature = $library->getFeatureName();
if (!isset($gadgetConfig[$feature]) && !empty($featureConfig[$feature])) {
$gadgetConfig[$feature] = $featureConfig[$feature];
}
}
}
// Add gadgets.util support. This is calculated dynamically based on request inputs.
// See java/org/apache/shindig/gadgets/render/RenderingContentRewriter.java for reference.
$requires = array();
foreach ($gadget->features as $feature) {
$requires[$feature] = new EmptyClass();
}
$gadgetConfig['core.util'] = $requires;
if (isset($gadgetConfig['osml'])) {
unset($gadgetConfig['osml']);
}
if (!isset($gadgetConfig['osapi.services']) || count($gadgetConfig['osapi.services']) == 1) {
// this should really be set in config/container.js, but if not, we build a complete default set so at least most of it works out-of-the-box
$gadgetConfig['osapi.services'] = array('gadgets.rpc' => array('container.listMethods'), 'http://%host%/social/rpc' => array("messages.update", "albums.update", "activities.delete", "activities.update", "activities.supportedFields", "albums.get", "activities.get", "mediaitems.update", "messages.get", "appdata.get", "system.listMethods", "people.supportedFields", "messages.create", "mediaitems.delete", "mediaitems.create", "people.get", "people.create", "albums.delete", "messages.delete", "appdata.update", "activities.create", "mediaitems.get", "albums.create", "appdata.delete", "people.update", "appdata.create"), 'http://%host%/gadgets/api/rpc' => array('cache.invalidate'));
}
return "gadgets.config.init(" . json_encode($gadgetConfig) . ");\n";
}
