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			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Objective-C
		
	
			
		
		
	
	
			46 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Objective-C
		
	
| //
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| //  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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| //
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| 
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| #import "OWSDeviceProvisioningURLParser.h"
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| #import <AxolotlKit/NSData+keyVersionByte.h>
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| #import <SignalCoreKit/NSData+OWS.h>
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| 
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| NS_ASSUME_NONNULL_BEGIN
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| 
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| NSString *const OWSQueryItemNameEphemeralDeviceIdKey = @"uuid";
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| NSString *const OWSQueryItemNameEncodedPublicKeyKey = @"pub_key";
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| 
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| @implementation OWSDeviceProvisioningURLParser
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| 
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| - (instancetype)initWithProvisioningURL:(NSString *)provisioningURL
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| {
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|     self = [super init];
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|     if (!self) {
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|         return self;
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|     }
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| 
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|     NSURLComponents *components = [NSURLComponents componentsWithString:provisioningURL];
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|     for (NSURLQueryItem *queryItem in [components queryItems]) {
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|         if ([queryItem.name isEqualToString:OWSQueryItemNameEphemeralDeviceIdKey]) {
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|             _ephemeralDeviceId = queryItem.value;
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|         } else if ([queryItem.name isEqualToString:OWSQueryItemNameEncodedPublicKeyKey]) {
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|             NSString *encodedPublicKey = queryItem.value;
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|             @try {
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|                 _publicKey = [[NSData dataFromBase64String:encodedPublicKey] throws_removeKeyType];
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|             } @catch (NSException *exception) {
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|                 OWSFailDebug(@"exception: %@", exception);
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|             }
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|         } else {
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|             OWSLogWarn(@"Unkown query item in provisioning string: %@", queryItem.name);
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|         }
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|     }
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| 
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|     _valid = _ephemeralDeviceId && _publicKey;
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|     return self;
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| }
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| 
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| @end
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| 
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| NS_ASSUME_NONNULL_END
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