yeet

node_modules/expo-updates/ios/EXUpdates/EXUpdatesUtils.m

@@ -0,0 +1,106 @@
+//  Copyright © 2019 650 Industries. All rights reserved.
+
+#import <CommonCrypto/CommonDigest.h>
+
+#import <EXUpdates/EXUpdatesUtils.h>
+#import <SystemConfiguration/SystemConfiguration.h>
+#import <arpa/inet.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+static NSString * const EXUpdatesEventName = @"Expo.nativeUpdatesEvent";
+static NSString * const EXUpdatesUtilsErrorDomain = @"EXUpdatesUtils";
+
+@implementation EXUpdatesUtils
+
++ (void)runBlockOnMainThread:(void (^)(void))block
+{
+  if ([NSThread isMainThread]) {
+    block();
+  } else {
+    dispatch_async(dispatch_get_main_queue(), block);
+  }
+}
+
++ (NSString *)sha256WithData:(NSData *)data
+{
+  uint8_t digest[CC_SHA256_DIGEST_LENGTH];
+  CC_SHA256(data.bytes, (CC_LONG)data.length, digest);
+
+  NSMutableString *output = [NSMutableString stringWithCapacity:CC_SHA256_DIGEST_LENGTH * 2];
+  for (int i = 0; i < CC_SHA256_DIGEST_LENGTH; i++)
+  {
+    [output appendFormat:@"%02x", digest[i]];
+  }
+
+  return output;
+}
+
++ (nullable NSURL *)initializeUpdatesDirectoryWithError:(NSError ** _Nullable)error
+{
+  NSFileManager *fileManager = NSFileManager.defaultManager;
+  NSURL *applicationDocumentsDirectory = [[fileManager URLsForDirectory:NSApplicationSupportDirectory inDomains:NSUserDomainMask] lastObject];
+  NSURL *updatesDirectory = [applicationDocumentsDirectory URLByAppendingPathComponent:@".expo-internal"];
+  NSString *updatesDirectoryPath = [updatesDirectory path];
+
+  BOOL isDir;
+  BOOL exists = [fileManager fileExistsAtPath:updatesDirectoryPath isDirectory:&isDir];
+  if (exists) {
+    if (!isDir) {
+      *error = [NSError errorWithDomain:EXUpdatesUtilsErrorDomain code:1005 userInfo:@{NSLocalizedDescriptionKey: @"Failed to create the Updates Directory; a file already exists with the required directory name"}];
+      return nil;
+    }
+  } else {
+    NSError *err;
+    BOOL wasCreated = [fileManager createDirectoryAtPath:updatesDirectoryPath withIntermediateDirectories:YES attributes:nil error:&err];
+    if (!wasCreated) {
+      *error = err;
+      return nil;
+    }
+  }
+
+  return updatesDirectory;
+}
+
++ (void)sendEventToBridge:(nullable RCTBridge *)bridge withType:(NSString *)eventType body:(NSDictionary *)body
+{
+  if (bridge) {
+    NSMutableDictionary *mutableBody = [body mutableCopy];
+    mutableBody[@"type"] = eventType;
+    [bridge enqueueJSCall:@"RCTDeviceEventEmitter.emit" args:@[EXUpdatesEventName, mutableBody]];
+  } else {
+    NSLog(@"EXUpdates: Could not emit %@ event. Did you set the bridge property on the controller singleton?", eventType);
+  }
+}
+
++ (BOOL)shouldCheckForUpdateWithConfig:(EXUpdatesConfig *)config
+{
+  switch (config.checkOnLaunch) {
+    case EXUpdatesCheckAutomaticallyConfigNever:
+      return NO;
+    case EXUpdatesCheckAutomaticallyConfigWifiOnly: {
+      struct sockaddr_in zeroAddress;
+      bzero(&zeroAddress, sizeof(zeroAddress));
+      zeroAddress.sin_len = sizeof(zeroAddress);
+      zeroAddress.sin_family = AF_INET;
+
+      SCNetworkReachabilityRef reachability = SCNetworkReachabilityCreateWithAddress(kCFAllocatorDefault, (const struct sockaddr *) &zeroAddress);
+      SCNetworkReachabilityFlags flags;
+      SCNetworkReachabilityGetFlags(reachability, &flags);
+
+      return (flags & kSCNetworkReachabilityFlagsIsWWAN) == 0;
+    }
+    case EXUpdatesCheckAutomaticallyConfigAlways:
+    default:
+      return YES;
+  }
+}
+
++ (NSString *)getRuntimeVersionWithConfig:(EXUpdatesConfig *)config
+{
+  return config.runtimeVersion ?: config.sdkVersion;
+}
+
+@end
+
+NS_ASSUME_NONNULL_END