/// <summary>
/// Executes all requets as JSON method/arg pairs
/// </summary>
/// <param name="adminMode">if set to <c>true</c> [Admin mode].</param>
/// <returns></returns>
internal static string ExecuteJSONResponders(bool adminMode)
{
HttpContext current = HttpContext.Current;
HttpRequest request = HttpContext.Current.Request;
HttpResponse response = HttpContext.Current.Response;
string requestContentType = request.ContentType;
int requestLength = request.TotalBytes;
int requestCount = 0;
int querystringCount = 0;
DateTime start = new DateTime();
start = DateTime.Now;
Dictionary<string, object> j = new Dictionary<string, object>();
requestCount = request.Form.Count;
querystringCount = request.QueryString.Count;
for(var x = 0; requestCount > x; x++) {
string keyName = request.Form.GetKey(x);
if(keyName.StartsWith(Main.MethodKey)) {
j.Add(keyName, JsonToMethod(request.Form[x], adminMode));
}
}
for(var x = 0; querystringCount > x; x++) {
string keyName = request.QueryString.GetKey(x);
if(keyName != null) {
if(keyName.StartsWith(Main.MethodKey)) {
j.Add(keyName, JsonToMethod(request.QueryString[x], adminMode));
}
}
}
if(j.Count > 0) {
/* if there is a file present output the file instead of the json string */
foreach(KeyValuePair<string, object> field in j) {
Dictionary<string, object> innerFields = (Dictionary<string, object>)field.Value;
foreach(KeyValuePair<string, object> innerField in innerFields) {
if(innerField.Value != null) {
if(innerField.Value.GetType() == typeof(Dictionary<string, object>)) {
Dictionary<string, object> iiFields = (Dictionary<string, object>)innerField.Value;
if(iiFields.ContainsKey("fileName")) {
string content = (string)iiFields["content"].ToString();
response.ContentType = (string)iiFields["contentType"];
response.Write(content);
response.AddHeader("Content-Disposition", "attachment; filename=\"" + (string)iiFields["fileName"] + "\"");
response.AddHeader("Content-Length", content.Length.ToString());
response.Flush();
current.ApplicationInstance.CompleteRequest();
/* only allowed to output one file at a time */
return "";
}
}
}
}
}
if(Main.Site != null) {
EndRequestEventArgs f = new EndRequestEventArgs(Main.GetCurrentSession(), current);
Main.Site.raiseOnendrequest(f);
}
return j.ToJson();
} else {
if(Main.Site != null) {
EndRequestEventArgs f = new EndRequestEventArgs(Main.GetCurrentSession(), current);
Main.Site.raiseOnendrequest(f);
}
return "";
}
}
/// <summary>
/// Raises the onendrequest event.
/// </summary>
/// <param name="args">The <see cref="Rendition.EndRequestEventArgs"/> instance containing the event data.</param>
internal void raiseOnendrequest( EndRequestEventArgs args )
{
if( EndRequest != null ) { EndRequest( this, args ); };
}
/// <summary>
/// Process JSON messages.
/// Map some messages to methods.
/// Map some messages to embedded resources.
/// Secondary HTTP Pipeline.
/// </summary>
/// <param name="httpApp">The Http app.</param>
/// <returns>When true, a AJAX responder was called</returns>
private static bool processHTTPRequest(HttpApplication httpApp)
{
/* get the current http context */
bool _JSONResponse = false;
HttpContext current = HttpContext.Current;
/* start a Timer */
DateTime startHTTPRequest = DateTime.Now;
current.Items.Add("startHTTPRequest", startHTTPRequest);
/* create a reference to the session object */
Session session = null;
string executionFilePath = current.Request.AppRelativeCurrentExecutionFilePath;
bool _isVirtualResourcePath = IsVirtualResourcePath(executionFilePath);
/* ***1*** make sure user's don't request an invalid file resource by redirecting */
if(Main.AdminDirectory == executionFilePath) {
current.Response.Redirect(Main.AdminDirectory + "/", false);
current.ApplicationInstance.CompleteRequest();
goto End;
}
/* ***2*** if this is not a request for a /Admin or /responder directory
* implement the rewriter directives */
if(!_isVirtualResourcePath) {
/* try to redirect the URL */
if(redirectUrl(current)) { goto End; };
/* try to rewrite the URL */
if(RewriteUrl(current)) { goto End; };
/* site section rewrites */
if(RewriteSiteSection(current)) { goto End; };
/* check for category rewrites */
if(RewriteCategory(current)) { goto End; };
/* check for item rewrites */
if(RewriteItem(current)) { goto End; };
}
/* ***3*** don't try and examine the physical path until _after_ the rewrite */
string physicalPath = current.Request.PhysicalPath;
bool _isResourceFile = IsResourceFile(physicalPath);
/* if this is an image or other non dynamic resource file
* and not used in a virtual path than don't do any further processing */
if(_isResourceFile && !_isVirtualResourcePath) {
sendNeverExpiresHeaders();
goto End;
}
/* if this is a public resource, give up the resource now */
foreach(string file in Main.PublicFiles) {
if(executionFilePath == file || executionFilePath.StartsWith(Main.AdminDirectory + "/img")) {
sendNeverExpiresHeaders();
getResxResource(current);
goto End;
}
}
/* no rewrite or redirect so now check if the file exists */
if(!File.Exists(physicalPath) && !_isVirtualResourcePath) {
ErrorPage(current, 404, String.Format("Cannot find {0}", physicalPath));
goto End;
}
/* the file or resource exists (probably)
* create a Session
* this is resource consuming */
session = new Session(Site);
/* place the session object in an object that is only good as long as the http pipeline lasts */
current.Items.Add("currentSession", session);
/* raise the after authentication event */
AfterAuthenticationEventArgs args = new AfterAuthenticationEventArgs(session, current);
Main.Site.raiseOnAfterAuthentication(args);
/* execute AJAX responders - if a responder was executed then end. */
try {
if(executeResponders(current, session)) {
_JSONResponse = true;
goto End;
};
} catch(Exception ex) {
String.Format("executeResponders exception =>{0}", ex.Message).Debug(0);
goto End;
}
/* check if this is a request for the Admin directory or Admin responder virtual page */
if(_isVirtualResourcePath) {
/* don't do anything for people who arn't logged on as administrators, unless we're in setup mode */
if(!session.Administrator) {
/* 401 forbidden, and ask for a username / password */
/* RFC 2617 HTTP Authentication: Basic and Digest Access Authentication */
if(current.Request.Headers["Authorization"] != null) {
/* user is sending logon attempt via HTTP auth */
string _raw_header = current.Request.Headers["Authorization"];
string[] _hprams = _raw_header.Split(' ');
string method = _hprams[0];
string enc_auth = _hprams[1];
/* decode base 64 auth string */
string _raw_auth = Encoding.ASCII.GetString(Convert.FromBase64String(enc_auth));
string[] _auth = _raw_auth.Split(':');
string userName = _auth[0];
string password = _auth[1];
/* try to logon using the provided authentication creditials */
if(session.LogOn(userName, password) == 0) {
session.Refresh();
}
}
/* check again */
if(!session.Administrator) {
if(!UseFormsBasedAuth) {
current.Response.AddHeader("WWW-Authenticate", String.Format("Basic realm=\"{0}\"", current.Request.Url.DnsSafeHost));
ErrorPage(current, 401,
String.Format("Only administrators can access the {0} virtual directory.", Main.AdminDirectory));/* 401 unauthorized */
current.ApplicationInstance.CompleteRequest();
goto End;
} else {
current.Response.Redirect(Main.PublicDirectory + "/logon.html?rdr=" + executionFilePath.UrlEncode());
current.ApplicationInstance.CompleteRequest();
goto End;
}
}
}
sendNeverExpiresHeaders();
/* if this is a request for the Admin directory tree respond with the given Admin resource */
if(!executionFilePath.Contains(Main.AdminResponder)) {
getResxResource(current);
goto End;
}
}
End:
/* fire off events */
EndRequestEventArgs endRequestargs = new EndRequestEventArgs(session, current);
Site.raiseOnendrequest(endRequestargs);
DateTime endHTTPRequest = DateTime.Now;
current.Items.Add("finish_processHTTPRequest", endHTTPRequest);
return _JSONResponse;
}
