Fix pairing with GFE 2.4.5.57+

Limelight/Network/DiscoveryManager.m

@@ -41,7 +41,7 @@
 - (void) discoverHost:(NSString *)hostAddress withCallback:(void (^)(Host *, NSString*))callback {
     HttpManager* hMan = [[HttpManager alloc] initWithHost:hostAddress uniqueId:_uniqueId deviceName:deviceName cert:_cert];
     ServerInfoResponse* serverInfoResponse = [[ServerInfoResponse alloc] init];
-    [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResponse withUrlRequest:[hMan newServerInfoRequest]]];
+    [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResponse withUrlRequest:[hMan newServerInfoRequest] fallbackError:401 fallbackRequest:[hMan newHttpServerInfoRequest]]];
     
     Host* host = nil;
     if ([serverInfoResponse isStatusOk]) {

Limelight/Network/DiscoveryWorker.m

@@ -68,7 +68,8 @@ static const float POLL_RATE = 2.0f; // Poll every 2 seconds
                                                      cert:_cert];
     ServerInfoResponse* response = [[ServerInfoResponse alloc] init];
     [hMan executeRequestSynchronously:[HttpRequest requestForResponse:response
-                                                       withUrlRequest:[hMan newServerInfoRequest]]];
+                                                       withUrlRequest:[hMan newServerInfoRequest]
+                                       fallbackError:401 fallbackRequest:[hMan newHttpServerInfoRequest]]];
     return response;
 }
 

Limelight/Network/HttpManager.h

@@ -22,6 +22,7 @@
 - (NSURLRequest*) newPairChallenge;
 - (NSURLRequest*) newAppListRequest;
 - (NSURLRequest*) newServerInfoRequest;
+- (NSURLRequest*) newHttpServerInfoRequest;
 - (NSURLRequest*) newLaunchRequest:(NSString*)appId width:(int)width height:(int)height refreshRate:(int)refreshRate rikey:(NSString*)rikey rikeyid:(int)rikeyid;
 - (NSURLRequest*) newResumeRequestWithRiKey:(NSString*)riKey riKeyId:(int)riKeyId;
 - (NSURLRequest*) newQuitAppRequest;

Limelight/Network/HttpManager.m

@@ -83,6 +83,15 @@ static const NSString* HTTPS_PORT = @"47984";
     
     if (!_errorOccurred && request.response) {
         [request.response populateWithData:_requestResp];
+        
+        // If the fallback error code was detected, issue the fallback request
+        if (request.response.statusCode == request.fallbackError && request.fallbackRequest != NULL) {
+            Log(LOG_D, @"Request failed with fallback error code: %d", request.fallbackError);
+            request.request = request.fallbackRequest;
+            request.fallbackError = 0;
+            request.fallbackRequest = NULL;
+            [self executeRequestSynchronously:request];
+        }
     }
     _errorOccurred = false;
 }
@@ -145,6 +154,11 @@ static const NSString* HTTPS_PORT = @"47984";
     return [self createRequestFromString:urlString enableTimeout:TRUE];
 }
 
+- (NSURLRequest *)newHttpServerInfoRequest {
+    NSString* urlString = [NSString stringWithFormat:@"%@/serverinfo", _baseHTTPURL];
+    return [self createRequestFromString:urlString enableTimeout:TRUE];
+}
+
 - (NSURLRequest*) newLaunchRequest:(NSString*)appId width:(int)width height:(int)height refreshRate:(int)refreshRate rikey:(NSString*)rikey rikeyid:(int)rikeyid {
     NSString* urlString = [NSString stringWithFormat:@"%@/launch?uniqueid=%@&appid=%@&mode=%dx%dx%d&additionalStates=1&sops=1&rikey=%@&rikeyid=%d", _baseHTTPSURL, _uniqueId, appId, width, height, refreshRate, rikey, rikeyid];
     // This blocks while the app is launching

Limelight/Network/HttpRequest.h

@@ -13,7 +13,10 @@
 
 @property (nonatomic) id<Response> response;
 @property (nonatomic) NSURLRequest* request;
+@property (nonatomic) int fallbackError;
+@property (nonatomic) NSURLRequest* fallbackRequest;
 
++ (instancetype) requestForResponse:(id<Response>)response withUrlRequest:(NSURLRequest*)req fallbackError:(int)error fallbackRequest:(NSURLRequest*) fallbackReq;
 + (instancetype) requestForResponse:(id<Response>)response withUrlRequest:(NSURLRequest*)req;
 + (instancetype) requestWithUrlRequest:(NSURLRequest*)req;
 

Limelight/Network/HttpRequest.m

@@ -25,4 +25,13 @@
     return request;
 }
 
++ (HttpRequest*) requestForResponse:(id<Response>)response withUrlRequest:(NSURLRequest*)req fallbackError:(int)error fallbackRequest:(NSURLRequest*) fallbackReq {
+    HttpRequest* request = [[HttpRequest alloc] init];
+    request.request = req;
+    request.response = response;
+    request.fallbackError = error;
+    request.fallbackRequest = fallbackReq;
+    return request;
+}
+
 @end

Limelight/Network/PairManager.m

@@ -31,7 +31,8 @@
 
 - (void) main {
     ServerInfoResponse* serverInfoResp = [[ServerInfoResponse alloc] init];
-    [_httpManager executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[_httpManager newServerInfoRequest]]];
+    [_httpManager executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[_httpManager newServerInfoRequest]
+                                               fallbackError:401 fallbackRequest:[_httpManager newHttpServerInfoRequest]]];
     if (serverInfoResp == nil) {
         [_callback pairFailed:@"Unable to connect to PC"];
         return;

Limelight/Stream/StreamManager.m

@@ -45,7 +45,8 @@
                                                      cert:cert];
     
     ServerInfoResponse* serverInfoResp = [[ServerInfoResponse alloc] init];
-    [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[hMan newServerInfoRequest]]];
+    [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[hMan newServerInfoRequest]
+                                       fallbackError:401 fallbackRequest:[hMan newHttpServerInfoRequest]]];
     NSString* currentGame = [serverInfoResp getStringTag:@"currentgame"];
     NSString* pairStatus = [serverInfoResp getStringTag:@"PairStatus"];
     NSString* currentClient = [serverInfoResp getStringTag:@"CurrentClient"];

Limelight/ViewControllers/MainFrameViewController.m

@@ -133,7 +133,8 @@ static NSArray* appList;
     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
         HttpManager* hMan = [[HttpManager alloc] initWithHost:host.address uniqueId:_uniqueId deviceName:deviceName cert:_cert];
         ServerInfoResponse* serverInfoResp = [[ServerInfoResponse alloc] init];
-        [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[hMan newServerInfoRequest]]];
+        [hMan executeRequestSynchronously:[HttpRequest requestForResponse:serverInfoResp withUrlRequest:[hMan newServerInfoRequest]
+                                           fallbackError:401 fallbackRequest:[hMan newHttpServerInfoRequest]]];
         if (serverInfoResp == nil || ![serverInfoResp isStatusOk]) {
             Log(LOG_W, @"Failed to get server info: %@", serverInfoResp.statusMessage);
             [self hideLoadingFrame];