session-ios/Signal/src/Models/OWSDeviceProvisioningURLParser.m
Michael Kirk 84156698c4 Provision device from QRCode.
NEEDS DESIGN - will likely have an intermediate "device manager" screen.

* extracted QRCode Scanner into re-usable ViewController

// FREEBIE
2016-09-02 12:40:21 -04:00

40 lines
1.2 KiB
Objective-C

// Copyright © 2016 Open Whisper Systems. All rights reserved.
#import "OWSDeviceProvisioningURLParser.h"
#import "NSData+Base64.h"
#import <AxolotlKit/NSData+keyVersionByte.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 {
DDLogWarn(@"Unkown query item in provisioning string: %@", queryItem.name);
}
}
_valid = _ephemeralDeviceId && _publicKey;
return self;
}
@end
NS_ASSUME_NONNULL_END