public IAsyncResult BeginExecuteQuery(string query, string[] parameters, AsyncCallback callback, object state)
{
#region Input check
if (String.IsNullOrEmpty(query))
{
throw new AttributeStoreQueryFormatException("No query string.");
}
if (!query.Contains("<ViewFields>"))
{
throw new AttributeStoreQueryFormatException("Query must contain ViewFields clause to indicate which fields should be returned by the query");
}
#endregion
/* Note the usage of TypedAsyncResult class defined in Microsoft.IdentityModel.Threading namespace. */
AsyncResult queryResult = new TypedAsyncResult<string[][]>(callback, state);
/* The asynchronous query is being implemented using a delegate. This is to show the asynchronous way of running the query,
* even though we are reading from a simple text file, which can be done synchronously.
* You may also use a data access interface that provides an asynchronous way to access the data.
* For example, the BeginExecuteReader method of System.Data.SqlClient.SqlCommand class asynchronously accesses data from a SQL Server data store. */
RunQueryDelegate queryDelegate = new RunQueryDelegate(RunQuery);
queryDelegate.BeginInvoke(query, parameters, new AsyncCallback(AsyncQueryCallback), queryResult);
return queryResult;
}
///<summary>
/// Begin to authenticate current request synchronously. Returns <c>true</c> if the request is authenticated and <see cref="Session"/> is set; otherwise <c>false</c>.
///</summary>
///<param name="context">http context to authenticate.</param>
///<param name="cb">a callback to call upon operation is completed.</param>
///<param name="state">the user state to pass to the callback.</param>
///<exception cref="ArgumentNullException"><paramref name="context"/> is null.</exception>
public IAsyncResult BeginAuthenticateRequest([NotNull] HttpContext context, [CanBeNull] AsyncCallback cb, [CanBeNull] object state)
{
if (context == null)
throw FacebookApi.Nre("context");
bool saveSession = true;
var tar = new TypedAsyncResult<bool>(cb, state);
string code = context.Request.QueryString["code"];
if (!String.IsNullOrEmpty(code))
return BeginAuthenticate(code, GetCurrentUrl(context),
tar.AsSafe(ar =>
{
EndAuthenticate(ar);
SaveSession(context);
tar.Complete(IsAuthenticated, false);
}),
null);
ISessionStorage ss = SessionStorage;
if (ss != null)
{
_fbSession = ss.Session;
if (_fbSession != null
&& !ss.IsSecure
&& _fbSession.Signature != GenerateSignature(_fbSession.ToJsonObject()))
{
_fbSession = null;
}
saveSession = _fbSession == null;
}
if (saveSession)
SaveSession(context);
tar.Complete(true);
return tar;
}
public IAsyncResult BeginExecuteQuery(string query, string[] parameters, AsyncCallback callback, object state)
{
if (String.IsNullOrEmpty(query))
{
throw new AttributeStoreQueryFormatException("No query string.");
}
if (parameters == null)
{
throw new AttributeStoreQueryFormatException("No query parameter.");
}
if (parameters.Length != 1)
{
throw new AttributeStoreQueryFormatException("More than one query parameter.");
}
string inputString = parameters[0];
if (inputString == null)
{
throw new AttributeStoreQueryFormatException("Query parameter cannot be null.");
}
string result = null;
switch (query)
{
case "toUpper":
{
result = inputString.ToUpper();
break;
}
case "toLower":
{
result = inputString.ToLower();
break;
}
case "base64":
{
// MS says we can assume that input string is in UTF-8 form?
result = Convert.ToBase64String(Encoding.UTF8.GetBytes(inputString));
break;
}
case "trim":
{
result = inputString.Trim();
break;
}
case "removeDashes":
{
result = inputString.Replace("-", "");
break;
}
case "truncateTo12Chars":
{
result = Truncate(inputString, 12);
break;
}
case "truncateTo16Chars":
{
result = Truncate(inputString, 16);
break;
}
default:
{
throw new AttributeStoreQueryFormatException(String.Format("The query string \"{0}\" is not supported.", query));
}
}
string[][] outputValues = new string[1][];
outputValues[0] = new string[1];
outputValues[0][0] = result;
TypedAsyncResult <string[][]> asyncResult = new TypedAsyncResult <string[][]>(callback, state);
asyncResult.Complete(outputValues, true);
return(asyncResult);
}
public string[][] EndExecuteQuery(IAsyncResult result)
{
return(TypedAsyncResult <string[][]> .End(result));
}
public static T End(IAsyncResult result)
{
TypedAsyncResult <T> typedResult = AsyncResult.End <TypedAsyncResult <T> >(result);
return(typedResult.Data);
}
public IAsyncResult BeginExecuteQuery(string query, string[] parameters, AsyncCallback callback, object state)
{
//c:[Type == "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/emailaddress"]
//=> issue(store = "AddlevelStore", types = ("groups"), query = "email", param = c.Value);
if (string.IsNullOrEmpty(query))
{
throw new AttributeStoreQueryFormatException("No query string.");
}
if (null == parameters)
{
throw new AttributeStoreQueryFormatException("No query parameters.");
}
if (parameters.Length != 1)
{
throw new AttributeStoreQueryFormatException("More than one query parameter.");
}
if (!query.Equals("email"))
{
throw new AttributeStoreQueryFormatException("The query string is not supported.");
}
string inputString = parameters[0];
if (string.IsNullOrEmpty(inputString))
{
throw new AttributeStoreQueryFormatException("Query parameter cannot be null or empty.");
}
try
{
// Dummy value to illustrate the principle.
List <string> claimValues = new List <string> {
"Group1", "Group2"
};
List <string[]> claimData = new List <string[]>();
// Each claim value is added to its own string array
foreach (string claimVal in claimValues)
{
claimData.Add(new string[1] {
claimVal
});
}
// The claim value string arrays are added to the string [][] that is returned by the Custom Attribute Store EndExecuteQuery()
string[][] resultData = claimData.ToArray();
TypedAsyncResult <string[][]> asyncResult = new TypedAsyncResult <string[][]>(callback, state);
asyncResult.Complete(resultData, true);
return(asyncResult);
}
catch (Exception ex)
{
String innerMess = "";
if (ex.InnerException != null)
{
innerMess = ex.InnerException.ToString();
}
throw new AttributeStoreQueryExecutionException("CAS exception : " + ex.Message + " " + innerMess);
}
}
public IAsyncResult BeginExecuteQuery(string query, string[] parameters, AsyncCallback callback, object state)
{
if (String.IsNullOrEmpty(query))
{
throw new AttributeStoreQueryFormatException("No query string.");
}
if (parameters == null)
{
throw new AttributeStoreQueryFormatException("No query parameter.");
}
if (parameters.Length != 1)
{
throw new AttributeStoreQueryFormatException("More than one query parameter.");
}
string inputString = parameters[0];
if (inputString == null)
{
throw new AttributeStoreQueryFormatException("Query parameter cannot be null.");
}
List <string> groupNames = new List <string>();
Trace.Listeners.Add(new TextWriterTraceListener(Console.Out));
switch (query)
{
case "ldapGroups":
{
try
{
LdapDirectoryIdentifier ldapDirectoryIdentifier = new LdapDirectoryIdentifier(ldapHost, ldapPort);
NetworkCredential networkCredential = new NetworkCredential(ldapUser, ldapPassword);
LdapConnection ldapConnection = new LdapConnection(ldapDirectoryIdentifier, networkCredential, AuthType.Basic);
ldapConnection.SessionOptions.ProtocolVersion = 3;
// Look for a user based upon the email address. From this we will get the Distinguished Name
SearchRequest userRequest = new SearchRequest(null, "(&(objectClass=dominoperson)(mail=" + inputString + "))", SearchScope.Subtree, new string[] { "cn" });
SearchResponse user = ldapConnection.SendRequest(userRequest) as SearchResponse;
if (user.Entries[0] != null)
{
SearchRequest request = new SearchRequest(null, "(member=" + user.Entries[0].DistinguishedName + ")", SearchScope.Subtree, new string[] { "cn", "dominoAccessGroups" });
SearchResponse searchResponse = ldapConnection.SendRequest(request) as SearchResponse;
foreach (SearchResultEntry entry in searchResponse.Entries)
{
if (entry.Attributes["dominoAccessGroups"] != null)
{
groupNames.Add(entry.Attributes["dominoAccessGroups"][0].ToString().Replace("CN=", ""));
}
List <string> group = new List <string>();
groupNames.Add(entry.Attributes["cn"][0] + "");
}
groupNames = groupNames.Distinct().ToList();
Trace.WriteLine(string.Join(", ", groupNames.ToArray()));
}
else
{
// No user could be found from the email address
throw new AttributeStoreQueryFormatException("No user could be found for the email address '" + inputString + "'.");
}
}
catch (Exception e)
{
using (EventLog eventLog = new EventLog("Application"))
{
eventLog.Source = "CustomLdapAttributeStore";
eventLog.WriteEntry("Error whilst retrieving groups for user " + inputString + ", " + e.Message + "%n" + e.StackTrace, EventLogEntryType.Error, 101, 1);
}
// Throw the error up the stack to ensure ADFS is aware that there's a problem
throw e;
}
break;
}
default:
{
throw new AttributeStoreQueryFormatException("The query string is not supported.");
}
}
// Convert the results into the correct format to return from this interface
List <string[]> claimData = new List <string[]>();
foreach (string name in groupNames)
{
claimData.Add(new string[1] {
name
});
}
TypedAsyncResult <string[][]> asyncResult = new TypedAsyncResult <string[][]>(callback, state);
asyncResult.Complete(claimData.ToArray(), true);
return(asyncResult);
}
internal IAsyncResult BeginRequest(
string url,
HttpVerb httpVerb,
Dictionary<string, string> args,
AsyncCallback cb, object state)
{
if (args != null && args.Keys.Count > 0 && httpVerb == HttpVerb.Get)
url = url+ (url.Contains("?") ? "&" : "?") + EncodeDictionary(args);
var request = (HttpWebRequest)WebRequest.Create(url);
request.Proxy = Proxy;
request.Headers.Add(HttpRequestHeader.AcceptLanguage, Culture.IetfLanguageTag.ToLowerInvariant());
request.Method = httpVerb.ToString();
var tar = new TypedAsyncResult<ResponseData>(cb, state);
Action beginGetResp = () => request.BeginGetResponse(tar.AsSafe(gr =>
{
HttpWebResponse resp;
Stream respStm;
string contentType;
try
{
resp = (HttpWebResponse)request.EndGetResponse(gr);
contentType = ExtractContentType(resp);
respStm = resp.GetResponseStream();
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ProtocolError)
{
resp = (HttpWebResponse)ex.Response;
contentType = ExtractContentType(resp);
if (contentType == "text/javascript")
{
respStm = resp.GetResponseStream();
goto ok;
}
}
throw TransportError(ex);
}
ok: var buf = new byte[4096];
var ms = new MemoryStream(buf.Length);
AsyncCallback cbr = null;
cbr = tar.AsSafe(br =>
{
int cnt = respStm.EndRead(br);
if (cnt == 0)
{
if (!tar.IsCompleted)
{
((IDisposable)resp).Dispose();
ms.Seek(0, SeekOrigin.Begin);
tar.Complete(new ResponseData
{
Json = Encoding.UTF8.GetString(ms.ToArray()),
ContentType = contentType,
}, false);
}
}
else
{
ms.Write(buf, 0, cnt);
respStm.BeginRead(buf, 0, buf.Length, cbr, null);
}
}, ex => ((IDisposable)resp).Dispose());
respStm.BeginRead(buf, 0, buf.Length, cbr, null);
}), null);
try
{
if (httpVerb == HttpVerb.Post)
{
string postData = EncodeDictionary(args);
byte[] postDataBytes = Encoding.UTF8.GetBytes(postData);
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = postDataBytes.Length;
request.BeginGetRequestStream(tar.AsSafe(rar =>
{
Stream rqStm = request.EndGetRequestStream(rar);
rqStm.BeginWrite(postDataBytes, 0, postDataBytes.Length, tar.AsSafe(wr =>
{
rqStm.EndWrite(wr);
beginGetResp();
}), null);
}), null);
}
else
{
beginGetResp();
}
}
catch (Exception ex)
{
if (!tar.IsCompleted)
tar.Complete(true, ex);
}
return tar;
}
/// <summary>
///
/// </summary>
/// <param name="cb"></param>
/// <param name="state"></param>
/// <returns></returns>
/// <exception cref="ObjectDisposedException">The underlying socket has been closed.</exception>
/// <exception cref="ArgumentNullException">host is null.</exception>
/// <exception cref="SocketException">An error is encountered when resolving Hostname or connecting.</exception>
public IAsyncResult BeginLogin(AsyncCallback cb, object state)
{
if (_disposed) throw new ObjectDisposedException(GetType().FullName);
if (_disconnected) throw ErrorWeAreDisconnected();
var ar = new TypedAsyncResult<LoginResult>(WrapCallback(cb), state);
string openStream = String.Format("<stream:stream to='{0}' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>", _serverName);
byte[] buffer = _encoding.GetBytes(openStream);
_writeArgs.Completed += OnSentOpenStream;
_writeArgs.SetBuffer(buffer, 0, buffer.Length);
_writeArgs.UserToken = ar;
if (!_socket.SendAsync(_writeArgs))
{
OnSentOpenStream(_socket, _writeArgs);
}
return ar;
}
public void Init(HttpApplication app)
{
app.AddOnPostAcquireRequestStateAsync((s, e, cb, state) =>
{
HttpContext context = app.Context;
var tar = new TypedAsyncResult<Identity>(cb, state);
if (context.Session == null || !context.Request.Url.AbsolutePath.Contains("/Connect"))
{
tar.Complete(true);
return tar;
}
var util = new OAuthContext(AppId, AppSecret)
{
Culture = CultureInfo.CurrentCulture,
ExProcessor = ex => Debug.Write(ex),
};
util.SessionStorage = new AspNetSessionStore(context, util);
util.BeginAuthenticateRequest(context, tar.AsSafe(ar =>
{
util.EndAuthenticateRequest(ar);
tar.Complete(new Identity(util), false);
}), null);
return tar;
},
ar =>
{
var ident = TypedAsyncResult<Identity>.End(ar, null);
if (ident == null)
return;
HttpContext context = app.Context;
if (!ident.IsAuthenticated)
{
//var @params = new Dictionary<string, string> { { "scope", "user_birthday" } };
context.Response.Redirect(ident.AuthContext.GetLoginUrl(context.Request.Url, new LoginParams { ReqPerms = "user_birthday" }), false);
context.ApplicationInstance.CompleteRequest();
return;
}
context.User = new GenericPrincipal(ident, null);
});
}
