session-ios/Signal/src/Models/OWSDeviceProvisioningURLPar...

42 lines
1.3 KiB
Objective-C

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