1 files changed, 216 insertions, 0 deletions
diff --git a/StoneIsland/platforms/ios/Pods/FirebaseInstanceID/Firebase/InstanceID/FIRInstanceIDAuthKeyChain.m b/StoneIsland/platforms/ios/Pods/FirebaseInstanceID/Firebase/InstanceID/FIRInstanceIDAuthKeyChain.m
new file mode 100644
index 00000000..dfce2f75
--- /dev/null
+++ b/StoneIsland/platforms/ios/Pods/FirebaseInstanceID/Firebase/InstanceID/FIRInstanceIDAuthKeyChain.m
@@ -0,0 +1,216 @@
+/*
+ * Copyright 2019 Google
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import "FIRInstanceIDAuthKeyChain.h"
+#import "FIRInstanceIDKeychain.h"
+#import "FIRInstanceIDLogger.h"
+
+/**
+ *  The error type representing why we couldn't read data from the keychain.
+ */
+typedef NS_ENUM(int, FIRInstanceIDKeychainErrorType) {
+  kFIRInstanceIDKeychainErrorBadArguments = -1301,
+};
+
+NSString *const kFIRInstanceIDKeychainWildcardIdentifier = @"*";
+
+@interface FIRInstanceIDAuthKeychain ()
+
+@property(nonatomic, copy) NSString *generic;
+// cachedKeychainData is keyed by service and account, the value is an array of NSData.
+// It is used to cache the tokens per service, per account, as well as checkin data per service,
+// per account inside the keychain.
+@property(nonatomic)
+    NSMutableDictionary<NSString *, NSMutableDictionary<NSString *, NSArray<NSData *> *> *>
+        *cachedKeychainData;
+
+@end
+
+@implementation FIRInstanceIDAuthKeychain
+
+- (instancetype)initWithIdentifier:(NSString *)identifier {
+  self = [super init];
+  if (self) {
+    _generic = [identifier copy];
+    _cachedKeychainData = [[NSMutableDictionary alloc] init];
+  }
+  return self;
+}
+
++ (NSMutableDictionary *)keychainQueryForService:(NSString *)service
+                                         account:(NSString *)account
+                                         generic:(NSString *)generic {
+  NSDictionary *query = @{(__bridge id)kSecClass : (__bridge id)kSecClassGenericPassword};
+
+  NSMutableDictionary *finalQuery = [NSMutableDictionary dictionaryWithDictionary:query];
+  if ([generic length] && ![kFIRInstanceIDKeychainWildcardIdentifier isEqualToString:generic]) {
+    finalQuery[(__bridge NSString *)kSecAttrGeneric] = generic;
+  }
+  if ([account length] && ![kFIRInstanceIDKeychainWildcardIdentifier isEqualToString:account]) {
+    finalQuery[(__bridge NSString *)kSecAttrAccount] = account;
+  }
+  if ([service length] && ![kFIRInstanceIDKeychainWildcardIdentifier isEqualToString:service]) {
+    finalQuery[(__bridge NSString *)kSecAttrService] = service;
+  }
+  return finalQuery;
+}
+
+- (NSMutableDictionary *)keychainQueryForService:(NSString *)service account:(NSString *)account {
+  return [[self class] keychainQueryForService:service account:account generic:self.generic];
+}
+
+- (NSArray<NSData *> *)itemsMatchingService:(NSString *)service account:(NSString *)account {
+  // If query wildcard service, it asks for all the results, which always query from keychain.
+  if (![service isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier] &&
+      ![account isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier] &&
+      _cachedKeychainData[service][account]) {
+    // As long as service, account array exist, even it's empty, it means we've queried it before,
+    // returns the cache value.
+    return _cachedKeychainData[service][account];
+  }
+
+  NSMutableDictionary *keychainQuery = [self keychainQueryForService:service account:account];
+  NSMutableArray<NSData *> *results;
+  keychainQuery[(__bridge id)kSecReturnData] = (__bridge id)kCFBooleanTrue;
+#if TARGET_OS_IOS || TARGET_OS_TV
+  keychainQuery[(__bridge id)kSecReturnAttributes] = (__bridge id)kCFBooleanTrue;
+  keychainQuery[(__bridge id)kSecMatchLimit] = (__bridge id)kSecMatchLimitAll;
+  // FIRInstanceIDKeychain should only take a query and return a result, will handle the query here.
+  NSArray *passwordInfos =
+      CFBridgingRelease([[FIRInstanceIDKeychain sharedInstance] itemWithQuery:keychainQuery]);
+#elif TARGET_OS_OSX || TARGET_OS_WATCH
+  keychainQuery[(__bridge id)kSecMatchLimit] = (__bridge id)kSecMatchLimitOne;
+  NSData *passwordInfos =
+      CFBridgingRelease([[FIRInstanceIDKeychain sharedInstance] itemWithQuery:keychainQuery]);
+#endif
+
+  if (!passwordInfos) {
+    // Nothing was found, simply return from this sync block.
+    // Make sure to label the cache entry empty, signaling that we've queried this entry.
+    if ([service isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier] ||
+        [account isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier]) {
+      // Do not update cache if it's wildcard query.
+      return @[];
+    } else if (_cachedKeychainData[service]) {
+      [_cachedKeychainData[service] setObject:@[] forKey:account];
+    } else {
+      [_cachedKeychainData setObject:[@{account : @[]} mutableCopy] forKey:service];
+    }
+    return @[];
+  }
+  results = [[NSMutableArray alloc] init];
+#if TARGET_OS_IOS || TARGET_OS_TV
+  NSInteger numPasswords = passwordInfos.count;
+  for (NSUInteger i = 0; i < numPasswords; i++) {
+    NSDictionary *passwordInfo = [passwordInfos objectAtIndex:i];
+    if (passwordInfo[(__bridge id)kSecValueData]) {
+      [results addObject:passwordInfo[(__bridge id)kSecValueData]];
+    }
+  }
+#elif TARGET_OS_OSX || TARGET_OS_WATCH
+  [results addObject:passwordInfos];
+#endif
+  // We query the keychain because it didn't exist in cache, now query is done, update the result in
+  // the cache.
+  if ([service isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier] ||
+      [account isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier]) {
+    // Do not update cache if it's wildcard query.
+    return [results copy];
+  } else if (_cachedKeychainData[service]) {
+    [_cachedKeychainData[service] setObject:[results copy] forKey:account];
+  } else {
+    NSMutableDictionary *entry = [@{account : [results copy]} mutableCopy];
+    [_cachedKeychainData setObject:entry forKey:service];
+  }
+  return [results copy];
+}
+
+- (NSData *)dataForService:(NSString *)service account:(NSString *)account {
+  NSArray<NSData *> *items = [self itemsMatchingService:service account:account];
+  // If items is nil or empty, nil will be returned.
+  return items.firstObject;
+}
+
+- (void)removeItemsMatchingService:(NSString *)service
+                           account:(NSString *)account
+                           handler:(void (^)(NSError *error))handler {
+  if ([service isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier]) {
+    // Delete all keychain items.
+    _cachedKeychainData = [[NSMutableDictionary alloc] init];
+  } else if ([account isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier]) {
+    // Delete all entries under service,
+    if (_cachedKeychainData[service]) {
+      _cachedKeychainData[service] = [[NSMutableDictionary alloc] init];
+    }
+  } else if (_cachedKeychainData[service]) {
+    // We should keep the service/account entry instead of nil so we know
+    // it's "empty entry" instead of "not query from keychain yet".
+    [_cachedKeychainData[service] setObject:@[] forKey:account];
+  } else {
+    [_cachedKeychainData setObject:[@{account : @[]} mutableCopy] forKey:service];
+  }
+  NSMutableDictionary *keychainQuery = [self keychainQueryForService:service account:account];
+  [[FIRInstanceIDKeychain sharedInstance] removeItemWithQuery:keychainQuery handler:handler];
+}
+
+- (void)setData:(NSData *)data
+     forService:(NSString *)service
+        account:(NSString *)account
+        handler:(void (^)(NSError *))handler {
+  if ([service isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier] ||
+      [account isEqualToString:kFIRInstanceIDKeychainWildcardIdentifier]) {
+    if (handler) {
+      handler([NSError errorWithDomain:kFIRInstanceIDKeychainErrorDomain
+                                  code:kFIRInstanceIDKeychainErrorBadArguments
+                              userInfo:nil]);
+    }
+    return;
+  }
+  [self removeItemsMatchingService:service
+                           account:account
+                           handler:^(NSError *error) {
+                             if (error) {
+                               if (handler) {
+                                 handler(error);
+                               }
+                               return;
+                             }
+                             if (data.length > 0) {
+                               NSMutableDictionary *keychainQuery =
+                                   [self keychainQueryForService:service account:account];
+                               keychainQuery[(__bridge id)kSecValueData] = data;
+
+                               keychainQuery[(__bridge id)kSecAttrAccessible] =
+                                   (__bridge id)kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly;
+                               [[FIRInstanceIDKeychain sharedInstance]
+                                   addItemWithQuery:keychainQuery
+                                            handler:handler];
+                             }
+                           }];
+  // Set the cache value. This must happen after removeItemsMatchingService:account:handler was
+  // called, so the cache value was reset before setting a new value.
+  if (_cachedKeychainData[service]) {
+    if (_cachedKeychainData[service][account]) {
+      _cachedKeychainData[service][account] = @[ data ];
+    } else {
+      [_cachedKeychainData[service] setObject:@[ data ] forKey:account];
+    }
+  } else {
+    [_cachedKeychainData setObject:[@{account : @[ data ]} mutableCopy] forKey:service];
+  }
+}
+
+@end