get video info via post request using innertube api key 0xced#545

sixty8 · Jul 27, 2021 · ed6dcaa · ed6dcaa
1 parent b40ce84
commit ed6dcaa
Showing 1 changed file with 51 additions and 49 deletions.
diff --git a/XCDYouTubeKit/XCDYouTubeVideoOperation.m b/XCDYouTubeKit/XCDYouTubeVideoOperation.m
@@ -12,6 +12,7 @@
 #import "XCDYouTubeDashManifestXML.h"
 #import "XCDYouTubePlayerScript.h"
 #import "XCDYouTubeLogger+Private.h"
+#import "XCDYouTubeClient.h"
 
 typedef NS_ENUM(NSUInteger, XCDYouTubeRequestType) {
 	XCDYouTubeRequestTypeGetVideoInfo = 1,
@@ -146,13 +147,24 @@ - (void) startNextRequest
 	}
 	else
 	{
-		NSString *eventLabel = [self.eventLabels objectAtIndex:0];
 		[self.eventLabels removeObjectAtIndex:0];
 
-		NSDictionary *query = @{ @"video_id": self.videoIdentifier, @"hl": self.languageIdentifier, @"el": eventLabel, @"ps": @"default", @"html5" : @"1", @"eurl": [@"https://youtube.googleapis.com/v/" stringByAppendingString:self.videoIdentifier],@"c": @"TVHTML5", @"cver": @"6.20180913"};
-		NSString *queryString = XCDQueryStringWithDictionary(query);
-		NSURL *videoInfoURL = [NSURL URLWithString:[@"https://www.youtube.com/get_video_info?" stringByAppendingString:queryString]];
-		[self startRequestWithURL:videoInfoURL type:XCDYouTubeRequestTypeGetVideoInfo];
+		NSString *urlString = [NSString stringWithFormat:@"https://youtubei.googleapis.com/youtubei/v1/player?key=%@", XCDYouTubeClient.innertubeApiKey];
+		NSURL *url = [NSURL URLWithString:urlString];
+
+		NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10];
+
+		[request setHTTPMethod:@"POST"];
+
+		NSString *string = [NSString stringWithFormat:@"{'context': {'client': {'hl': 'en','clientName': 'WEB','clientVersion': '2.20210721.00.00','mainAppWebInfo': {'graftUrl': '/watch?v=%@'}}},'videoId': '%@'}", self.videoIdentifier, self.videoIdentifier];
+
+		NSData *postData = [string dataUsingEncoding:NSASCIIStringEncoding];
+
+		[request setHTTPBody:postData];
+
+		[request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
+
+		[self startRequestWith:request type:XCDYouTubeRequestTypeGetVideoInfo];
 	}
 }
 
@@ -206,6 +218,39 @@ - (void) startRequestWithURL:(NSURL *)url type:(XCDYouTubeRequestType)requestTyp
 	self.requestType = requestType;
 }
 
+- (void) startRequestWith:(NSMutableURLRequest *)request type:(XCDYouTubeRequestType)requestType
+{
+	if (self.isCancelled)
+		return;
+
+	// Max (age-restricted VEVO) = 2×GetVideoInfo + 1×WatchPage + 2×EmbedPage + 1×JavaScriptPlayer + 1×GetVideoInfo + 1xDashManifest
+	if (++self.requestCount > 8)
+	{
+		// This condition should never happen but the request flow is quite complex so better abort here than go into an infinite loop of requests
+		[self finishWithError];
+		return;
+	}
+
+	XCDYouTubeLogDebug(@"Starting request: %@", [request URL]);
+
+	[request setValue:self.languageIdentifier forHTTPHeaderField:@"Accept-Language"];
+	[request setValue:[NSString stringWithFormat:@"https://youtube.com/watch?v=%@", self.videoIdentifier] forHTTPHeaderField:@"Referer"];
+
+	self.dataTask = [self.session dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error)
+	{
+		if (self.isCancelled)
+			return;
+
+		if (error)
+			[self handleConnectionError:error requestType:requestType];
+		else
+			[self handleConnectionSuccessWithData:data response:response requestType:requestType];
+	}];
+	[self.dataTask resume];
+
+	self.requestType = requestType;
+}
+
 #pragma mark - Response Dispatch
 
 - (void) handleConnectionSuccessWithData:(NSData *)data response:(NSURLResponse *)response requestType:(XCDYouTubeRequestType)requestType
@@ -270,49 +315,10 @@ - (void) handleConnectionError:(NSError *)connectionError requestType:(XCDYouTub
 
 #pragma mark - Response Parsing
 
-- (void) initializeConsentWithResponse:(NSURLResponse *)response {
-	NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)response;
-	if (httpResponse && response.URL) {
-		NSArray <NSHTTPCookie *> *cookies = [NSHTTPCookie cookiesWithResponseHeaderFields:httpResponse.allHeaderFields forURL:(NSURL *_Nonnull)response.URL];
-
-		for (NSHTTPCookie *cookie in cookies) {
-			if ([cookie.name isEqualToString:@"__Secure-3PSID"]) return;
-		}
-
-		for (NSHTTPCookie *cookie in cookies) {
-			if ([cookie.name isEqualToString:@"CONSENT"]) {
-				if ([cookie.value isEqualToString:@"YES"]) return;
-
-				NSString *rawConsentID = [cookie.value stringByReplacingOccurrencesOfString:@"PENDING+" withString:@""];
-				int consentID = [rawConsentID intValue];
-
-				// generate random consent id, if doesn't match expected format
-				if (consentID < 100 || consentID > 999) {
-					consentID = 100 + (int)arc4random_uniform((uint32_t)(999 - 100 + 1));
-				}
-
-				NSString *cookieValue = [[NSString alloc] initWithFormat:@"YES+cb.20210328-17-p0.en+FX+%i", consentID];
-				NSHTTPCookie *consentCookie = [NSHTTPCookie cookieWithProperties:@{
-														NSHTTPCookiePath: @"/",
-														NSHTTPCookieName: @"CONSENT",
-														NSHTTPCookieValue: cookieValue,
-														NSHTTPCookieDomain:@".youtube.com",
-														NSHTTPCookieSecure:@"TRUE"
-				}];
-				[self.session.configuration.HTTPCookieStorage setCookie:consentCookie];
-				return;
-			}
-		}
-
-	}
-}
-
 - (void) handleVideoInfoResponseWithInfo:(NSDictionary *)info response:(NSURLResponse *)response
 {
 	XCDYouTubeLogDebug(@"Handling video info response");
 
-	[self initializeConsentWithResponse:response];
-
 	NSError *error = nil;
 	XCDYouTubeVideo *video = [[XCDYouTubeVideo alloc] initWithIdentifier:self.videoIdentifier info:info playerScript:self.playerScript response:response error:&error];
 	if (video)
@@ -395,13 +401,9 @@ - (void) handleJavaScriptPlayerWithScript:(NSString *)script
 
 	if (self.webpage.isAgeRestricted && self.cookies.count == 0)
 	{
-		NSString *eventLabel = [self.eventLabels objectAtIndex:0];
-		[self.eventLabels removeObjectAtIndex:0];
-
 		NSString *eurl = [@"https://youtube.googleapis.com/v/" stringByAppendingString:self.videoIdentifier];
 		NSString *sts = self.embedWebpage.sts ?: self.webpage.sts ?: @"";
-		//NSDictionary *query = @{ @"video_id": self.videoIdentifier, @"hl": self.languageIdentifier, @"eurl": eurl, @"sts": sts};
-		NSDictionary *query = @{ @"video_id": self.videoIdentifier, @"hl": self.languageIdentifier, @"el": eventLabel, @"ps": @"default" , @"html5" : @1,@"html5" : @1, @"c":@"TVHTML5", @"cver":@6.20180913};
+		NSDictionary *query = @{ @"video_id": self.videoIdentifier, @"hl": self.languageIdentifier, @"eurl": eurl, @"sts": sts};
 		NSString *queryString = XCDQueryStringWithDictionary(query);
 		NSURL *videoInfoURL = [NSURL URLWithString:[@"https://www.youtube.com/get_video_info?" stringByAppendingString:queryString]];
 		[self startRequestWithURL:videoInfoURL type:XCDYouTubeRequestTypeGetVideoInfo];