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| Original file line number | Diff line number | Diff line change |
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| // | ||
| // Copyright (c) 2013-2014 Cédric Luthi. All rights reserved. | ||
| // | ||
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| #import <Foundation/Foundation.h> | ||
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| __attribute__((visibility("hidden"))) | ||
| @interface XCDYouTubeVideoWebpage : NSObject | ||
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| - (instancetype) initWithData:(NSData *)data response:(NSURLResponse *)response; | ||
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| @property (nonatomic, readonly) NSDictionary *videoInfo; | ||
| @property (nonatomic, readonly) NSURL *javaScriptPlayerURL; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,89 @@ | ||
| // | ||
| // Copyright (c) 2013-2014 Cédric Luthi. All rights reserved. | ||
| // | ||
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| #import "XCDYouTubeVideoWebpage.h" | ||
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| @interface XCDYouTubeVideoWebpage () | ||
| @property (nonatomic, strong) NSData *data; | ||
| @property (nonatomic, strong) NSURLResponse *response; | ||
| @end | ||
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| @implementation XCDYouTubeVideoWebpage | ||
| { | ||
| NSDictionary *_playerConfiguration; | ||
| NSDictionary *_videoInfo; | ||
| NSURL *_javaScriptPlayerURL; | ||
| } | ||
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| - (instancetype) initWithData:(NSData *)data response:(NSURLResponse *)response | ||
| { | ||
| if (!(self = [super init])) | ||
| return nil; | ||
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| _data = data; | ||
| _response = response; | ||
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| return self; | ||
| } | ||
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| #pragma clang diagnostic ignored "-Wdirect-ivar-access" | ||
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| - (NSDictionary *) playerConfiguration | ||
| { | ||
| if (!_playerConfiguration) | ||
| { | ||
| __block NSDictionary *playerConfigurationDictionary; | ||
| CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding((__bridge CFStringRef)self.response.textEncodingName ?: CFSTR("")); | ||
| NSString *html = CFBridgingRelease(CFStringCreateWithBytes(kCFAllocatorDefault, [self.data bytes], (CFIndex)[self.data length], encoding != kCFStringEncodingInvalidId ? encoding : kCFStringEncodingISOLatin1, false)); | ||
| NSRegularExpression *playerConfigRegularExpression = [NSRegularExpression regularExpressionWithPattern:@"ytplayer.config\\s*=\\s*(\\{.*?\\});" options:NSRegularExpressionCaseInsensitive error:NULL]; | ||
| [playerConfigRegularExpression enumerateMatchesInString:html options:(NSMatchingOptions)0 range:NSMakeRange(0, html.length) usingBlock:^(NSTextCheckingResult *result, NSMatchingFlags flags, BOOL *stop) { | ||
| NSString *configString = [html substringWithRange:[result rangeAtIndex:1]]; | ||
| NSDictionary *playerConfiguration = [NSJSONSerialization JSONObjectWithData:[configString dataUsingEncoding:NSUTF8StringEncoding] options:(NSJSONReadingOptions)0 error:NULL]; | ||
| if ([playerConfiguration isKindOfClass:[NSDictionary class]]) | ||
| { | ||
| playerConfigurationDictionary = playerConfiguration; | ||
| *stop = YES; | ||
| } | ||
| }]; | ||
| _playerConfiguration = playerConfigurationDictionary; | ||
| } | ||
| return _playerConfiguration; | ||
| } | ||
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| - (NSDictionary *) videoInfo | ||
| { | ||
| if (!_videoInfo) | ||
| { | ||
| NSDictionary *args = self.playerConfiguration[@"args"]; | ||
| if ([args isKindOfClass:[NSDictionary class]]) | ||
| { | ||
| NSMutableDictionary *info = [NSMutableDictionary new]; | ||
| [args enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) { | ||
| if ([value isKindOfClass:[NSString class]] || [value isKindOfClass:[NSNumber class]]) | ||
| info[key] = [value description]; | ||
| }]; | ||
| _videoInfo = [info copy]; | ||
| } | ||
| } | ||
| return _videoInfo; | ||
| } | ||
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| - (NSURL *) javaScriptPlayerURL | ||
| { | ||
| if (!_javaScriptPlayerURL) | ||
| { | ||
| NSString *jsAssets = [self.playerConfiguration valueForKeyPath:@"assets.js"]; | ||
| if ([jsAssets isKindOfClass:[NSString class]]) | ||
| { | ||
| NSString *javaScriptPlayerURLString = jsAssets; | ||
| if ([jsAssets hasPrefix:@"//"]) | ||
| javaScriptPlayerURLString = [@"https:" stringByAppendingString:jsAssets]; | ||
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| _javaScriptPlayerURL = [NSURL URLWithString:javaScriptPlayerURLString]; | ||
| } | ||
| } | ||
| return _javaScriptPlayerURL; | ||
| } | ||
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| @end |