public override void ProcessSubscription(FacebookSubscriptionContext context, object result)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext.Request != null);
Contract.Requires(context.HttpContext.Request.Params != null);
Contract.Requires(context.HttpContext.Response != null);
}
/// <summary>
/// Handles unauthorized requests.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
public virtual void HandleUnauthorizedRequest(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.HttpContext.Response != null);
context.HttpContext.Response.StatusCode = 401;
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests. </param>
public void ProcessRequest(HttpContext context)
{
var subContext = new FacebookSubscriptionContext
{
HttpContext = new HttpContextWrapper(context),
FacebookApplication = FacebookApplication.Current,
};
OnVerifying(subContext);
VerifyCore(subContext);
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContextWrapper"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests. </param>
public virtual void VerifyCore(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.HttpContext.Request != null);
Contract.Requires(context.HttpContext.Request.Params != null);
Contract.Requires(context.HttpContext.Response != null);
Contract.Requires(context.FacebookApplication != null);
context.HttpContext.Response.ContentType = "text/plain";
var request = context.HttpContext.Request;
string errorMessage;
switch (request.HttpMethod)
{
case "GET":
if (!string.IsNullOrEmpty(context.VerificationToken) &&
FacebookSubscriptionVerifier.VerifyGetSubscription(request, context.VerificationToken, out errorMessage))
{
context.HttpContext.Response.Write(request.Params["hub.challenge"]);
}
else
{
HandleUnauthorizedRequest(context);
}
break;
case "POST":
{
var reader = new System.IO.StreamReader(request.InputStream);
var jsonString = reader.ReadToEnd();
var secret = context.FacebookApplication.AppSecret;
if (!string.IsNullOrEmpty(secret) &&
FacebookSubscriptionVerifier.VerifyPostSubscription(request, secret, jsonString, out errorMessage))
{
// might need to put try catch when desterilizing object
var jsonObject = JsonSerializer.Current.DeserializeObject(jsonString);
ProcessSubscription(context, jsonObject);
}
else
{
HandleUnauthorizedRequest(context);
}
}
break;
}
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests. </param>
public void ProcessRequest(HttpContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.Request != null);
Contract.Requires(context.Request.Params != null);
Contract.Requires(context.Response != null);
var subContext = new FacebookSubscriptionContext
{
HttpContext = new HttpContextWrapper(context),
FacebookApplication = FacebookApplication.Current,
};
OnVerifying(subContext);
VerifyCore(subContext);
}
/// <summary> /// Set your verification token here. /// </summary> /// <param name="context"> /// The context. /// </param> public abstract void OnVerifying(FacebookSubscriptionContext context);
/// <summary>
/// Handles unauthorized requests.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
public virtual void HandleUnauthorizedRequest(FacebookSubscriptionContext context)
{
context.HttpContext.Response.StatusCode = 401;
}
/// <summary> /// Process the subscription. /// </summary> /// <param name="context"> /// The context. /// </param> /// <param name="result"> /// The result. /// </param> public abstract void ProcessSubscription(FacebookSubscriptionContext context, object result);
public override void ProcessSubscription(FacebookSubscriptionContext context, object result)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext.Request != null);
Contract.Requires(context.HttpContext.Request.Params != null);
Contract.Requires(context.HttpContext.Response != null);
}
public override void OnVerifying(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.FacebookApplication != null);
}
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContextWrapper"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests. </param>
public virtual void VerifyCore(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.HttpContext.Request != null);
Contract.Requires(context.HttpContext.Request.Params != null);
Contract.Requires(context.HttpContext.Response != null);
Contract.Requires(context.FacebookApplication != null);
context.HttpContext.Response.ContentType = "text/plain";
var request = context.HttpContext.Request;
string errorMessage;
switch (request.HttpMethod)
{
case "GET":
if (!string.IsNullOrEmpty(context.VerificationToken) &&
FacebookSubscriptionVerifier.VerifyGetSubscription(request, context.VerificationToken, out errorMessage))
{
context.HttpContext.Response.Write(request.Params["hub.challenge"]);
}
else
{
HandleUnauthorizedRequest(context);
}
break;
case "POST":
{
var reader = new System.IO.StreamReader(request.InputStream);
var jsonString = reader.ReadToEnd();
var secret = context.FacebookApplication.AppSecret;
if (!string.IsNullOrEmpty(secret) &&
FacebookSubscriptionVerifier.VerifyPostSubscription(request, secret, jsonString, out errorMessage))
{
// might need to put try catch when desterilizing object
var jsonObject = JsonSerializer.Current.DeserializeObject(jsonString);
ProcessSubscription(context, jsonObject);
}
else
{
HandleUnauthorizedRequest(context);
}
}
break;
}
}
/// <summary> /// Process the subscription. /// </summary> /// <param name="context"> /// The context. /// </param> /// <param name="result"> /// The result. /// </param> public abstract void ProcessSubscription(FacebookSubscriptionContext context, object result);
/// <summary>
/// Enables processing of HTTP Web requests by a custom HttpHandler that implements the <see cref="T:System.Web.IHttpHandler"/> interface.
/// </summary>
/// <param name="context">An <see cref="T:System.Web.HttpContext"/> object that provides references to the intrinsic server objects (for example, Request, Response, Session, and Server) used to service HTTP requests. </param>
public void ProcessRequest(HttpContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.Request != null);
Contract.Requires(context.Request.Params != null);
Contract.Requires(context.Response != null);
var subContext = new FacebookSubscriptionContext
{
HttpContext = new HttpContextWrapper(context),
FacebookApplication = FacebookApplication.Current,
};
OnVerifying(subContext);
VerifyCore(subContext);
}
/// <summary> /// Set your verification token here. /// </summary> /// <param name="context"> /// The context. /// </param> public abstract void OnVerifying(FacebookSubscriptionContext context);
/// <summary>
/// Handles unauthorized requests.
/// </summary>
/// <param name="context">
/// The context.
/// </param>
public virtual void HandleUnauthorizedRequest(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.HttpContext.Response != null);
context.HttpContext.Response.StatusCode = 401;
}
public override void OnVerifying(FacebookSubscriptionContext context)
{
Contract.Requires(context != null);
Contract.Requires(context.HttpContext != null);
Contract.Requires(context.FacebookApplication != null);
}
