| 1 | // Copyright 2019-present 650 Industries. All rights reserved.
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| 2 |
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| 3 | #import <EXRandom/EXRandom.h>
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| 4 |
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| 5 | @implementation EXRandom
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| 6 |
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| 7 | UM_EXPORT_MODULE(ExpoRandom);
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| 8 |
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| 9 | UM_EXPORT_METHOD_AS(getRandomBase64StringAsync,
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| 10 | getRandomBase64StringAsync:(NSNumber *)count
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| 11 | resolver:(UMPromiseResolveBlock)resolve
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| 12 | rejecter:(UMPromiseRejectBlock)reject)
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| 13 | {
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| 14 | NSUInteger _length = [count unsignedIntegerValue];
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| 15 | NSMutableData *bytes = [NSMutableData dataWithLength:_length];
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| 16 |
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| 17 | OSStatus result = SecRandomCopyBytes(kSecRandomDefault, _length, [bytes mutableBytes]);
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| 18 | if (result == errSecSuccess) {
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| 19 | resolve([bytes base64EncodedStringWithOptions:0]);
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| 20 | } else {
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| 21 | reject(@"ERR_RANDOM", @"Failed to create a secure random number", [NSError errorWithDomain:@"expo-random" code:result userInfo:nil]);
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| 22 | }
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| 23 | }
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| 24 |
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| 25 |
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| 26 | @end
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