Question

Facebook is requiring all canvas apps to support HTTP POST in the iframe instead of GET. However, when I enable the feature, ASP.net complains that

The HTTP verb POST used to access path '/' is not allowed

For some reason Facebook requires a path that does not have an extension in it (for example it requires mydomain.com/random/ instead of mydomain.com/mypage.aspx).

How can I enable POST for aspx pages and the root (default) page in my web.config page so I can develop my app locally? I belive the configuration on IIS is more straightforward.

Thanks.

Answer 1

I’ve found a workable solution by “rewriting” the requests to my root path in the Global.asax file. Works for development server, but will probably have to be removed in production:

void Application_BeginRequest(object sender, EventArgs e) {
  string p = Request.Path;
  if (p.Equals("/myapp/")) {
    var query = "?" + Request.QueryString.ToString();
    if (query.Equals("?")) {
      query = "";
    }
    Context.RewritePath("/myapp/Default.aspx" + query);
  }
}