public MessageBundle getBundle(GadgetSpec spec, Locale locale, bool ignoreCache)
{
if (ignoreCache)
{
return(getNestedBundle(spec, locale, true));
}
String key = spec.getUrl().ToString() + '.' + locale.ToString();
MessageBundle cached = HttpRuntime.Cache[key] as MessageBundle;
MessageBundle bundle;
if (cached == null)
{
try
{
bundle = getNestedBundle(spec, locale, ignoreCache);
}
catch (GadgetException)
{
// Enforce negative caching.
bundle = cached ?? MessageBundle.EMPTY;
}
HttpRuntime.Cache.Insert(key, bundle, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromSeconds(refresh));
}
else
{
bundle = cached;
}
return(bundle);
}
public PreparedGadget(GadgetSpec gadgetSpec, OpenSocialHelper helper, int moduleId, string securityToken)
{
this.gadgetSpec = gadgetSpec;
this.helper = helper;
this.moduleId = moduleId;
this.securityToken = securityToken;
}
/**
* Lookup information contained in the gadget spec.
*/
private OAuthServiceProvider lookupSpecInfo(ISecurityToken securityToken, OAuthArguments arguments,
AccessorInfoBuilder accessorBuilder, OAuthResponseParams responseParams)
{
GadgetSpec spec = findSpec(securityToken, arguments, responseParams);
OAuthSpec oauthSpec = spec.getModulePrefs().getOAuthSpec();
if (oauthSpec == null)
{
throw responseParams.oauthRequestException(OAuthError.BAD_OAUTH_CONFIGURATION,
"Failed to retrieve OAuth URLs, spec for gadget " +
securityToken.getAppUrl() + " does not contain OAuth element.");
}
OAuthService service = oauthSpec.getServices()[arguments.getServiceName()];
if (service == null)
{
throw responseParams.oauthRequestException(OAuthError.BAD_OAUTH_CONFIGURATION,
"Failed to retrieve OAuth URLs, spec for gadget does not contain OAuth service " +
arguments.getServiceName() + ". Known services: " +
String.Join(",", oauthSpec.getServices().Keys.AsEnumerable().ToArray()) + '.');
}
// In theory some one could specify different parameter locations for request token and
// access token requests, but that's probably not useful. We just use the request token
// rules for everything.
accessorBuilder.setParameterLocation(getStoreLocation(service.getRequestUrl().location, responseParams));
accessorBuilder.setMethod(getStoreMethod(service.getRequestUrl().method, responseParams));
OAuthServiceProvider provider = new OAuthServiceProvider(
service.getRequestUrl().url.ToString(),
service.getAuthorizationUrl().ToString(),
service.getAccessUrl().url.ToString());
return(provider);
}
public virtual RewriterResults rewrite(sRequest request, sResponse original, MutableContent content)
{
ByteArrayOutputStream baos = new ByteArrayOutputStream((content.getContent().Length * 110) / 100);
OutputStreamWriter output = new OutputStreamWriter(baos);
String mimeType = original.getHeader("Content-Type");
if (request.RewriteMimeType != null)
{
mimeType = request.RewriteMimeType;
}
GadgetSpec spec = null;
if (request.Gadget != null)
{
spec = _specFactory.getGadgetSpec(request.Gadget.toJavaUri(), false);
}
if (rewrite(spec, request.getUri(),
content,
mimeType,
output))
{
content.setContent(Encoding.Default.GetString(baos.toByteArray()));
return(RewriterResults.cacheableIndefinitely());
}
return(null);
}
/// <summary>
/// Process a single gadget. Creates a gadget from a retrieved GadgetSpec and context object,
/// automatically performing variable substitution on the spec for use elsewhere.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public Gadget Process(GadgetContext context)
{
Uri url = context.getUrl();
if (url == null)
{
throw new ProcessingException("Missing or malformed url parameter");
}
if (!url.Scheme.ToLower().Equals("http") && !url.Scheme.ToLower().Equals("https"))
{
throw new ProcessingException("Unsupported scheme (must be http or https).");
}
if (blacklist.isBlacklisted(context.getUrl()))
{
throw new ProcessingException("The requested gadget is unavailable");
}
try
{
GadgetSpec spec = gadgetSpecFactory.getGadgetSpec(context);
spec = substituter.substitute(context, spec);
return(new Gadget()
.setContext(context)
.setSpec(spec)
.setCurrentView(GetView(context, spec)));
}
catch (GadgetException e)
{
throw new ProcessingException(e.Message, e);
}
}
/// <summary>
/// Attempts to extract the "current" view for the given gadget.
/// </summary>
/// <param name="context"></param>
/// <param name="spec"></param>
/// <returns></returns>
private View GetView(GadgetContext context, GadgetSpec spec)
{
String viewName = context.getView();
View view = spec.getView(viewName);
if (view == null)
{
JsonObject views = containerConfig.GetJsonObject(context.getContainer(), "gadgets.features/views");
foreach (DictionaryEntry v in views)
{
JsonArray aliases = ((JsonObject)v.Value)["aliases"] as JsonArray;
if (aliases != null && view == null)
{
for (int i = 0, j = aliases.Length; i < j; ++i)
{
if (viewName == aliases.GetString(i))
{
view = spec.getView(v.Key.ToString());
if (view != null)
{
break;
}
}
}
}
}
}
if (view == null)
{
view = spec.getView(GadgetSpec.DEFAULT_VIEW);
}
return(view);
}
private MutableContent GetMutableContent(GadgetSpec spec, View v)
{
// TODO - Consider using caching here to avoid parse costs
MutableContent mc = new MutableContent(htmlParser, v.getContent());
return(mc);
}
private bool rewrite(GadgetSpec spec, Uri source, MutableContent mc, String mimeType, java.io.Writer writer)
{
// Dont rewrite content if the spec is unavailable
if (spec == null)
{
return(false);
}
// Store the feature in the spec so we dont keep parsing it
ContentRewriterFeature rewriterFeature = new ContentRewriterFeature(spec, includeUrls, excludeUrls, expires, includeTags);
if (!rewriterFeature.isRewriteEnabled())
{
return(false);
}
if (isHTML(mimeType))
{
Dictionary <String, IHtmlTagTransformer> transformerMap = new Dictionary <string, IHtmlTagTransformer>();
if (ProxyUrl != null)
{
ILinkRewriter linkRewriter = CreateLinkRewriter(spec, rewriterFeature);
LinkingTagRewriter rewriter = new LinkingTagRewriter(linkRewriter, source);
HashSet <String> toProcess = new HashSet <string>();
foreach (var item in rewriter.getSupportedTags())
{
toProcess.Add(item);
}
toProcess.IntersectWith(rewriterFeature.getIncludedTags());
foreach (string tag in toProcess)
{
transformerMap[tag] = rewriter;
}
if (rewriterFeature.getIncludedTags().Contains("style"))
{
transformerMap["style"] = new StyleTagRewriter(source, linkRewriter);
}
}
if (ConcatUrl != null &&
rewriterFeature.getIncludedTags().Contains("script"))
{
transformerMap["script"] = new JavascriptTagMerger(spec, rewriterFeature, ConcatUrl, source);
}
HtmlRewriter.rewrite(new StringReader(mc.getContent()), source, transformerMap, writer);
return(true);
}
if (isCSS(mimeType))
{
if (ProxyUrl != null)
{
CssRewriter.rewrite(new StringReader(mc.getContent()), source, CreateLinkRewriter(spec, rewriterFeature), writer, false);
return(true);
}
return(false);
}
return(false);
}
/**
* Render the gadget into a string by performing the following steps:
*
* - Retrieve gadget specification information (GadgetSpec, MessageBundle, etc.)
*
* - Fetch any preloaded data needed to handle the request, as handled by Preloader.
*
* - Perform rewriting operations on the output content, handled by Rewriter.
*
* @param gadget The gadget for the rendering operation.
* @return The rendered gadget content
* @throws RenderingException if any issues arise that prevent rendering.
*/
public String render(Gadget gadget)
{
try
{
View view = gadget.getCurrentView();
GadgetContext context = gadget.getContext();
GadgetSpec spec = gadget.getSpec();
IPreloads preloads = preloader.preload(context, spec,
PreloaderService.PreloadPhase.HTML_RENDER);
gadget.setPreloads(preloads);
String content;
if (view.getHref() == null)
{
content = view.getContent();
}
else
{
// TODO: Add current url to GadgetContext to support transitive proxying.
UriBuilder uri = new UriBuilder(view.getHref());
uri.addQueryParameter("lang", context.getLocale().getLanguage());
uri.addQueryParameter("country", context.getLocale().getCountry());
sRequest request = new sRequest(uri.toUri())
.setIgnoreCache(context.getIgnoreCache())
.setOAuthArguments(new OAuthArguments(view))
.setAuthType(view.getAuthType())
.setSecurityToken(context.getToken())
.setContainer(context.getContainer())
.setGadget(spec.getUrl());
sResponse response = DefaultHttpCache.Instance.getResponse(request);
if (response == null || response.isStale())
{
sRequest proxyRequest = createPipelinedProxyRequest(gadget, request);
response = requestPipeline.execute(proxyRequest);
DefaultHttpCache.Instance.addResponse(request, response);
}
if (response.isError())
{
throw new RenderingException("Unable to reach remote host. HTTP status " +
response.getHttpStatusCode());
}
content = response.responseString;
}
return(rewriter.rewriteGadget(gadget, content));
}
catch (GadgetException e)
{
throw new RenderingException(e.Message, e);
}
}
private String GetLockedDomain(GadgetSpec gadget, String container)
{
String suffix;
if (!lockedSuffixes.TryGetValue(container, out suffix))
{
return(null);
}
String hash = SHA1.Create().ComputeHash(Encoding.Default.GetBytes(gadget.getUrl().ToString())).ToString();
return(hash + suffix);
}
public ContentRewriterFeature get(GadgetSpec spec)
{
ContentRewriterFeature rewriterFeature =
(ContentRewriterFeature)spec.getAttribute("content-rewriter");
if (rewriterFeature != null)
{
return(rewriterFeature);
}
rewriterFeature = new ContentRewriterFeature(spec, includeUrls, excludeUrls, expires, includeTags);
spec.setAttribute("content-rewriter", rewriterFeature);
return(rewriterFeature);
}
public String getLockedDomainForGadget(GadgetSpec gadget, String container)
{
container = NormalizeContainer(container);
if (enabled)
{
if (GadgetWantsLockedDomain(gadget) ||
ContainerRequiresLockedDomain(container))
{
return(GetLockedDomain(gadget, container));
}
}
return(null);
}
private MessageBundle getParentBundle(GadgetSpec spec, Locale locale, bool ignoreCache)
{
if (locale.getLanguage().Equals("all"))
{
// Top most locale already.
return(null);
}
if (locale.getCountry().Equals("ALL"))
{
return(getBundle(spec, new Locale("all", "ALL"), ignoreCache));
}
return(getBundle(spec, new Locale(locale.getLanguage(), "ALL"), ignoreCache));
}
public bool gadgetCanRender(String host, GadgetSpec gadget, String container)
{
container = NormalizeContainer(container);
if (enabled)
{
if (GadgetWantsLockedDomain(gadget) ||
HostRequiresLockedDomain(host) ||
ContainerRequiresLockedDomain(container))
{
String neededHost = GetLockedDomain(gadget, container);
return(host.Equals(neededHost));
}
}
return(true);
}
/**
* @param concatBase Base url of the Concat servlet. Expected to be of the
* form www.host.com/concat?
* @param relativeUrlBase to resolve relative urls
*/
public JavascriptTagMerger(GadgetSpec spec, ContentRewriterFeature rewriterFeature,
String concatBase, Uri relativeUrlBase)
{
// Force the mime-type to mimic browser expectation so rewriters
// can function properly
this.concatBase = concatBase
+ ProxyBase.REWRITE_MIME_TYPE_PARAM
+ "=text/javascript&"
+ "gadget="
+ HttpUtility.UrlEncode(spec.getUrl().ToString())
+ "&fp="
+ rewriterFeature.getFingerprint()
+ '&';
this.relativeUrlBase = relativeUrlBase;
}
/**
* Substitutes all hangman variables into the gadget spec.
*
* @return A new GadgetSpec, with all fields substituted as needed.
*/
public GadgetSpec substitute(GadgetContext context, GadgetSpec spec)
{
MessageBundle bundle =
messageBundleFactory.getBundle(spec, context.getLocale(), context.getIgnoreCache());
String dir = bundle.getLanguageDirection();
Substitutions substituter = new Substitutions();
substituter.addSubstitutions(Substitutions.Type.MESSAGE, bundle.getMessages());
BidiSubstituter.addSubstitutions(substituter, dir);
substituter.addSubstitution(Substitutions.Type.MODULE, "ID",
context.getModuleId());
UserPrefSubstituter.addSubstitutions(substituter, spec, context.getUserPrefs());
return(spec.substitute(substituter));
}
/**
* Attempts to render the requested gadget.
*
* @return The results of the rendering attempt.
*
* TODO: Localize error messages.
*/
public RenderingResults Render(GadgetContext context)
{
if (!ValidateParent(context))
{
return(RenderingResults.error("Unsupported parent parameter. Check your container code."));
}
try
{
Gadget gadget = processor.Process(context);
if (gadget.getCurrentView() == null)
{
return(RenderingResults.error("Unable to locate an appropriate view in this gadget. " +
"Requested: '" + gadget.getContext().getView() +
"' Available: " + String.Join(",", gadget.getSpec().getViews().Keys.ToArray())));
}
if (gadget.getCurrentView().getType() == View.ContentType.URL)
{
return(RenderingResults.mustRedirect(getRedirect(gadget)));
}
GadgetSpec spec = gadget.getSpec();
if (!lockedDomainService.gadgetCanRender(context.getHost(), spec, context.getContainer()))
{
return(RenderingResults.mustRedirect(getRedirect(gadget)));
}
return(RenderingResults.ok(renderer.render(gadget)));
}
catch (RenderingException e)
{
return(LogError(context.getUrl(), e));
}
catch (ProcessingException e)
{
return(LogError(context.getUrl(), e));
}
catch (Exception e)
{
if (e.GetBaseException() is GadgetException)
{
return(LogError(context.getUrl(), e.GetBaseException()));
}
throw;
}
}
public virtual RewriterResults rewrite(Gadget gadget, MutableContent content)
{
java.io.StringWriter sw = new java.io.StringWriter();
GadgetSpec spec = gadget.getSpec();
Uri _base = spec.getUrl();
View view = gadget.getCurrentView();
if (view != null && view.getHref() != null)
{
_base = view.getHref();
}
if (rewrite(spec, _base, content, "text/html", sw))
{
content.setContent(sw.toString());
}
return(null);
}
public static void addSubstitutions(Substitutions substituter,
GadgetSpec spec, UserPrefs values)
{
foreach (UserPref pref in spec.getUserPrefs())
{
String name = pref.getName();
String value = values.getPref(name);
if (value == null)
{
value = pref.getDefaultValue();
if (value == null)
{
value = "";
}
}
substituter.addSubstitution(Substitutions.Type.USER_PREF, name, HttpUtility.HtmlEncode(value));
}
}
protected void cmdSearch_Click(object sender, EventArgs e)
{
// get the list that we already have
String[] existingGadgetURLs = txtGadgetURLS.Text.Split(Environment.NewLine.ToCharArray());
List <String> existingFileNames = new List <String>();
foreach (String url in existingGadgetURLs)
{
existingFileNames.Add(GadgetSpec.GetGadgetFileNameFromURL(url));
}
try
{
// don't include any that we already have, based on file name
HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create(txtNewGadgetsLocation.Text);
Uri newGadgetsUri = new Uri(txtNewGadgetsLocation.Text);
using (StreamReader sr = new StreamReader(myReq.GetResponse().GetResponseStream()))
{
bool newGadgetsFound = false;
String[] newGadgetHtmlCunks = sr.ReadToEnd().Split(new string[] { "<A HREF=\"" }, StringSplitOptions.None);
foreach (String newGadgetHtmlChunk in newGadgetHtmlCunks)
{
if (!newGadgetHtmlChunk.Contains("\">"))
{
continue;
}
String linkName = newGadgetHtmlChunk.Substring(0, newGadgetHtmlChunk.IndexOf("\">"));
if (linkName.EndsWith(".xml") && !existingFileNames.Contains(GadgetSpec.GetGadgetFileNameFromURL(linkName)))
{
txtGadgetURLS.Text += newGadgetsUri.Scheme + "://" + newGadgetsUri.Host + HttpUtility.UrlDecode(linkName) + Environment.NewLine;
newGadgetsFound = true;
}
}
if (!newGadgetsFound)
{
lblError.Text = "No new gadgets found at " + txtNewGadgetsLocation.Text;
}
}
}
catch (Exception ex)
{
lblError.Text = "Unable to read " + txtNewGadgetsLocation.Text;
}
}
public override List <preloadProcessor> createPreloadTasks(GadgetContext context,
GadgetSpec gadget, PreloaderService.PreloadPhase phase)
{
List <preloadProcessor> preloads = new List <preloadProcessor>();
if (phase == PreloaderService.PreloadPhase.HTML_RENDER)
{
foreach (Preload preload in gadget.getModulePrefs().getPreloads())
{
HashSet <String> preloadViews = preload.getViews();
if (preloadViews.Count == 0 || preloadViews.Contains(context.getView()))
{
PreloadTask task = new PreloadTask(context, preload, preload.getHref().ToString());
preloads.Add(new preloadProcessor(task.call));
}
}
}
return(preloads);
}
public GadgetSpec getGadgetSpec(URI gadgetUri, bool ignoreCache)
{
Uri uri = Uri.fromJavaUri(gadgetUri);
if (ignoreCache)
{
return(FetchObjectAndCache(uri, ignoreCache));
}
GadgetSpec cached = HttpRuntime.Cache[gadgetUri.ToString()] as GadgetSpec;
GadgetSpec spec;
if (cached == null)
{
try
{
spec = FetchObjectAndCache(uri, ignoreCache);
}
catch (GadgetException e)
{
// We create this dummy spec to avoid the cost of re-parsing when a remote site is out.
spec = new GadgetSpec(uri, ERROR_SPEC);
spec.setAttribute(ERROR_KEY, e);
HttpRuntime.Cache.Insert(uri.ToString(), spec, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromSeconds(ERROR_DELAY));
}
}
else
{
spec = cached;
}
GadgetException exception = (GadgetException)spec.getAttribute(ERROR_KEY);
if (exception != null)
{
throw exception;
}
return(spec);
}
public MessageBundle getBundle(GadgetSpec spec, Locale locale, bool ignoreCache)
{
MessageBundle parent = getParentBundle(spec, locale, ignoreCache);
MessageBundle child = null;
LocaleSpec localeSpec = spec.getModulePrefs().getLocale(locale);
if (localeSpec == null)
{
return(parent ?? MessageBundle.EMPTY);
}
Uri messages = localeSpec.getMessages();
if (messages == null || messages.ToString().Length == 0)
{
child = localeSpec.getMessageBundle();
}
else
{
child = fetchBundle(localeSpec, ignoreCache);
}
return(new MessageBundle(parent, child));
}
public override IPreloads preload(GadgetContext context, GadgetSpec gadget, PreloadPhase phase)
{
if (preloaders.Count == 0)
{
return(null);
}
var tasks = new List <Preloader.preloadProcessor>();
foreach (Preloader preloader in preloaders)
{
ICollection <Preloader.preloadProcessor> taskCollection = preloader.createPreloadTasks(context, gadget, phase);
tasks.AddRange(taskCollection);
}
ConcurrentPreloads preloads = new ConcurrentPreloads();
foreach (var task in tasks)
{
preloads.add(task.BeginInvoke(null, null));
}
return(preloads);
}
/// <summary>
/// Get all features needed to satisfy this rendering request.
/// </summary>
/// <param name="spec"></param>
/// <param name="forced">Forced libraries; added in addition to those found in the spec. Defaults to "core"</param>
/// <returns></returns>
private ICollection <GadgetFeature> GetFeatures(GadgetSpec spec, ICollection <String> forced)
{
Dictionary <String, Feature> features = spec.getModulePrefs().getFeatures();
HashKey <String> libs = new HashKey <string>();
foreach (var item in features.Keys)
{
libs.Add(item);
}
if (forced.Count != 0)
{
foreach (var item in forced)
{
libs.Add(item);
}
}
HashSet <String> unsupported = new HashSet <String>();
ICollection <GadgetFeature> feats = featureRegistry.GetFeatures(libs, unsupported);
foreach (var item in forced)
{
unsupported.Remove(item);
}
if (unsupported.Count != 0)
{
// Remove non-required libs
unsupported.RemoveWhere(x => !features[x].getRequired());
// Throw error with full list of unsupported libraries
if (unsupported.Count != 0)
{
throw new UnsupportedFeatureException(String.Join(",", unsupported.ToArray()));
}
}
return(feats);
}
/**
* Creates a proxy request by fetching pipelined data and adding it to an existing request.
*
*/
private sRequest createPipelinedProxyRequest(Gadget gadget, sRequest original)
{
sRequest request = new sRequest(original);
request.setIgnoreCache(true);
GadgetSpec spec = gadget.getSpec();
GadgetContext context = gadget.getContext();
IPreloads proxyPreloads = preloader.preload(context, spec,
PreloaderService.PreloadPhase.PROXY_FETCH);
// TODO: Add current url to GadgetContext to support transitive proxying.
// POST any preloaded content
if ((proxyPreloads != null) && proxyPreloads.getData().Count != 0)
{
JsonArray array = new JsonArray();
foreach (PreloadedData preload in proxyPreloads.getData())
{
Dictionary <String, Object> dataMap = preload.toJson();
foreach (var entry in dataMap)
{
// TODO: the existing, supported content is JSONObjects that contain the
// key already. Discarding the key is odd.
array.Put(entry.Value);
}
}
String postContent = array.ToString();
// POST the preloaded content, with a method override of GET
// to enable caching
request.setMethod("POST")
.setPostBody(Encoding.UTF8.GetBytes(postContent))
.setHeader("Content-Type", "text/json;charset=utf-8");
}
return(request);
}
private GadgetSpec FetchObjectAndCache(Uri url, bool ignoreCache)
{
sRequest request = new sRequest(url)
.setIgnoreCache(ignoreCache)
.setGadget(url);
// Since we don't allow any variance in cache time, we should just force the cache time
// globally. This ensures propagation to shared caches when this is set.
request.setCacheTtl((int)(refresh / 1000));
sResponse response = fetcher.fetch(request);
if (response.getHttpStatusCode() != (int)HttpStatusCode.OK)
{
throw new GadgetException(GadgetException.Code.FAILED_TO_RETRIEVE_CONTENT,
"Unable to retrieve gadget xml. HTTP error " +
response.getHttpStatusCode());
}
GadgetSpec spec = new GadgetSpec(url, response.responseString);
HttpRuntime.Cache.Insert(url.ToString(), spec, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromSeconds(refresh));
return(spec);
}
public OpenSocialHelper(int viewerId, int ownerId, Page page)
{
this.viewerId = viewerId;
this.ownerId = ownerId;
this.isDebug = page.Session != null && page.Session[OPENSOCIAL_DEBUG] != null && (bool)page.Session[OPENSOCIAL_DEBUG];
this.noCache = page.Session != null && page.Session[OPENSOCIAL_NOCACHE] != null && (bool)page.Session[OPENSOCIAL_NOCACHE];
this.pageName = page.AppRelativeVirtualPath.Substring(2);
if (ConfigUtil.GetConfigItem("OpenSocialURL") == null)
{
// do nothing
return;
}
Random random = new Random();
bool gadgetLogin = page.AppRelativeVirtualPath.EndsWith("gadgetlogin.aspx");
String requestAppId = page.Request.QueryString["appId"];
Dictionary <string, GadgetSpec> dbApps = new Dictionary <string, GadgetSpec>();
Dictionary <string, GadgetSpec> officialApps = new Dictionary <string, GadgetSpec>();
// Load gadgets from the DB first
IDataReader reader = null;
try
{
Database db = DatabaseFactory.CreateDatabase();
string sqlCommand = "select appId, name, url, channels, enabled from shindig_apps";
// if a specific app is requested, only grab it
if (requestAppId != null)
{
sqlCommand += " where appId = " + requestAppId;
}
DbCommand dbCommand = db.GetSqlStringCommand(sqlCommand);
reader = db.ExecuteReader(dbCommand);
while (reader.Read())
{
GadgetSpec spec = new GadgetSpec(Convert.ToInt32(reader[0]), reader[1].ToString(), reader[2].ToString(), reader[3].ToString());
string gadgetFileName = GetGadgetFileNameFromURL(reader[2].ToString());
dbApps.Add(gadgetFileName, spec);
if (requestAppId != null || Convert.ToBoolean(reader[4]))
{
officialApps.Add(gadgetFileName, spec);
}
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
// Add manual gadgets if there are any
// Note that this block of code only gets executed after someone logs in with gadgetlogin.aspx!
int moduleId = 0;
if (page.Session != null && (string)page.Session[OPENSOCIAL_GADGETS] != null)
{
String openSocialGadgetURLS = (string)page.Session[OPENSOCIAL_GADGETS];
String[] urls = openSocialGadgetURLS.Split(Environment.NewLine.ToCharArray());
for (int i = 0; i < urls.Length; i++)
{
String openSocialGadgetURL = urls[i];
if (openSocialGadgetURL.Length == 0)
{
continue;
}
int appId = 0; // if URL matches one in the DB, use DB provided appId, otherwise generate one
string gadgetFileName = GetGadgetFileNameFromURL(openSocialGadgetURL);
string name = gadgetFileName;
string[] channels = new string[0];
bool sandboxOnly = true;
if (dbApps.ContainsKey(gadgetFileName))
{
appId = dbApps[gadgetFileName].GetAppId();
name = dbApps[gadgetFileName].GetName();
channels = dbApps[gadgetFileName].GetChannels();
sandboxOnly = false;
}
else
{
CharEnumerator ce = openSocialGadgetURL.GetEnumerator();
while (ce.MoveNext())
{
appId += (int)ce.Current;
}
}
// if they asked for a specific one, only let it in
if (requestAppId != null && Convert.ToInt32(requestAppId) != appId)
{
continue;
}
GadgetSpec gadget = new GadgetSpec(appId, name, openSocialGadgetURL, channels, sandboxOnly);
// only add ones that are visible in this context!
if (sandboxOnly || gadget.Show(viewerId, ownerId, page.AppRelativeVirtualPath.Substring(2)))
{
String securityToken = SocketSendReceive(viewerId, ownerId, "" + gadget.GetAppId());
gadgets.Add(new PreparedGadget(gadget, this, moduleId++, securityToken));
}
}
}
// if no manual one were added, use the ones from the DB
if (gadgets.Count == 0)
{
// Load DB gadgets
if (gadgetLogin)
{
officialApps = dbApps;
}
foreach (KeyValuePair <string, GadgetSpec> pair in officialApps)
{
GadgetSpec gadget = new GadgetSpec(pair.Value.GetAppId(), pair.Value.GetName(), pair.Value.GetGadgetURL(), pair.Value.GetChannels(), false);
// only add ones that are visible in this context!
if (gadgetLogin || gadget.Show(viewerId, ownerId, GetPageName()))
{
String securityToken = SocketSendReceive(viewerId, ownerId, "" + gadget.GetAppId());
gadgets.Add(new PreparedGadget(gadget, this, moduleId++, securityToken));
}
}
}
// sort the gadgets
gadgets.Sort();
// trigger the javascript to render gadgets
HtmlGenericControl body = (HtmlGenericControl)page.Master.FindControl("bodyMaster");
if (body == null)
{
body = (HtmlGenericControl)page.Master.Master.FindControl("bodyMaster");
}
body.Attributes.Add("onload", "my.init();");
}
/**
* Create new preload tasks for the provided gadget.
*
* @param context The request that needs preloading.
* @param gadget The gadget that the operations will be performed for.
* @return Preloading tasks that will be executed by
* {@link PreloaderService#preload(GadgetContext, GadgetSpec)}.
*/
public abstract List <preloadProcessor> createPreloadTasks(GadgetContext context, GadgetSpec gadget, PreloaderService.PreloadPhase phase);
private static bool GadgetWantsLockedDomain(GadgetSpec gadget)
{
return(gadget.getModulePrefs().getFeatures().ContainsKey("locked-domain"));
}
