Moving the iOS directory to be remoting top level.

remoting/client/ios/keychain_wrapper.mm

-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#if !defined(__has_feature) || !__has_feature(objc_arc)
-#error "This file requires ARC support."
-#endif
-
-#import "remoting/client/ios/keychain_wrapper.h"
-
-#import "remoting/client/ios/domain/host_info.h"
-
-static const UInt8 kKeychainItemIdentifier[] = "org.chromium.RemoteDesktop\0";
-
-@interface KeychainWrapper () {
-  NSMutableDictionary* _keychainData;
-  NSMutableDictionary* _userInfoQuery;
-}
-@end
-
-@implementation KeychainWrapper
-
-- (id)init {
-  if ((self = [super init])) {
-    OSStatus keychainErr = noErr;
-    _userInfoQuery = [[NSMutableDictionary alloc] init];
-    [_userInfoQuery setObject:(__bridge id)kSecClassGenericPassword
-                       forKey:(__bridge id)kSecClass];
-    NSData* keychainItemID =
-        [NSData dataWithBytes:kKeychainItemIdentifier
-                       length:strlen((const char*)kKeychainItemIdentifier)];
-    [_userInfoQuery setObject:keychainItemID
-                       forKey:(__bridge id)kSecAttrGeneric];
-    [_userInfoQuery setObject:(__bridge id)kSecMatchLimitOne
-                       forKey:(__bridge id)kSecMatchLimit];
-    [_userInfoQuery setObject:(__bridge id)kCFBooleanTrue
-                       forKey:(__bridge id)kSecReturnAttributes];
-
-    CFMutableDictionaryRef outDictionary = nil;
-    keychainErr = SecItemCopyMatching((__bridge CFDictionaryRef)_userInfoQuery,
-                                      (CFTypeRef*)&outDictionary);
-    if (keychainErr == noErr) {
-      _keychainData = [self
-          secItemFormatToDictionary:(__bridge_transfer NSMutableDictionary*)
-                                        outDictionary];
-    } else if (keychainErr == errSecItemNotFound) {
-      [self resetKeychainItem];
-
-      if (outDictionary) {
-        CFRelease(outDictionary);
-        _keychainData = nil;
-      }
-    } else {
-      NSLog(@"Serious error.");
-      if (outDictionary) {
-        CFRelease(outDictionary);
-        _keychainData = nil;
-      }
-    }
-  }
-  return self;
-}
-
-- (void)setRefreshToken:(NSString*)refreshToken {
-  [self setObject:refreshToken forKey:(__bridge id)kSecValueData];
-}
-
-- (NSString*)refreshToken {
-  return [self objectForKey:(__bridge id)kSecValueData];
-}
-
-// Implement the mySetObject:forKey method, which writes attributes to the
-// keychain:
-- (void)setObject:(id)inObject forKey:(id)key {
-  if (inObject == nil)
-    return;
-  id currentObject = [_keychainData objectForKey:key];
-  if (![currentObject isEqual:inObject]) {
-    [_keychainData setObject:inObject forKey:key];
-    [self writeToKeychain];
-  }
-}
-
-// Implement the myObjectForKey: method, which reads an attribute value from a
-// dictionary:
-- (id)objectForKey:(id)key {
-  return [_keychainData objectForKey:key];
-}
-
-- (void)resetKeychainItem {
-  if (!_keychainData) {
-    _keychainData = [[NSMutableDictionary alloc] init];
-  } else if (_keychainData) {
-    NSMutableDictionary* tmpDictionary =
-        [self dictionaryToSecItemFormat:_keychainData];
-    OSStatus errorcode = SecItemDelete((__bridge CFDictionaryRef)tmpDictionary);
-    if (errorcode == errSecItemNotFound) {
-      // this is ok.
-    } else if (errorcode != noErr) {
-      NSLog(@"Problem deleting current keychain item.");
-    }
-  }
-
-  [_keychainData setObject:@"gaia_refresh_token"
-                    forKey:(__bridge id)kSecAttrLabel];
-  [_keychainData setObject:@"Gaia fresh token"
-                    forKey:(__bridge id)kSecAttrDescription];
-  [_keychainData setObject:@"" forKey:(__bridge id)kSecValueData];
-}
-
-- (NSMutableDictionary*)dictionaryToSecItemFormat:
-    (NSDictionary*)dictionaryToConvert {
-  NSMutableDictionary* returnDictionary =
-      [NSMutableDictionary dictionaryWithDictionary:dictionaryToConvert];
-
-  NSData* keychainItemID =
-      [NSData dataWithBytes:kKeychainItemIdentifier
-                     length:strlen((const char*)kKeychainItemIdentifier)];
-  [returnDictionary setObject:keychainItemID
-                       forKey:(__bridge id)kSecAttrGeneric];
-  [returnDictionary setObject:(__bridge id)kSecClassGenericPassword
-                       forKey:(__bridge id)kSecClass];
-
-  NSString* passwordString =
-      [dictionaryToConvert objectForKey:(__bridge id)kSecValueData];
-  [returnDictionary
-      setObject:[passwordString dataUsingEncoding:NSUTF8StringEncoding]
-         forKey:(__bridge id)kSecValueData];
-  return returnDictionary;
-}
-
-- (NSMutableDictionary*)secItemFormatToDictionary:
-    (NSDictionary*)dictionaryToConvert {
-  NSMutableDictionary* returnDictionary =
-      [NSMutableDictionary dictionaryWithDictionary:dictionaryToConvert];
-
-  [returnDictionary setObject:(__bridge id)kCFBooleanTrue
-                       forKey:(__bridge id)kSecReturnData];
-  [returnDictionary setObject:(__bridge id)kSecClassGenericPassword
-                       forKey:(__bridge id)kSecClass];
-
-  CFDataRef passwordData = NULL;
-  OSStatus keychainError = noErr;
-  keychainError = SecItemCopyMatching(
-      (__bridge CFDictionaryRef)returnDictionary, (CFTypeRef*)&passwordData);
-  if (keychainError == noErr) {
-    [returnDictionary removeObjectForKey:(__bridge id)kSecReturnData];
-
-    NSString* password = [[NSString alloc]
-        initWithBytes:[(__bridge_transfer NSData*)passwordData bytes]
-               length:[(__bridge NSData*)passwordData length]
-             encoding:NSUTF8StringEncoding];
-    [returnDictionary setObject:password forKey:(__bridge id)kSecValueData];
-  } else if (keychainError == errSecItemNotFound) {
-    NSLog(@"Nothing was found in the keychain.");
-    if (passwordData) {
-      CFRelease(passwordData);
-      passwordData = nil;
-    }
-  } else {
-    NSLog(@"Serious error.\n");
-    if (passwordData) {
-      CFRelease(passwordData);
-      passwordData = nil;
-    }
-  }
-  return returnDictionary;
-}
-
-- (void)writeToKeychain {
-  CFDictionaryRef attributes = nil;
-  NSMutableDictionary* updateItem = nil;
-
-  if (SecItemCopyMatching((__bridge CFDictionaryRef)_userInfoQuery,
-                          (CFTypeRef*)&attributes) == noErr) {
-    updateItem = [NSMutableDictionary
-        dictionaryWithDictionary:(__bridge_transfer NSDictionary*)attributes];
-
-    [updateItem setObject:[_userInfoQuery objectForKey:(__bridge id)kSecClass]
-                   forKey:(__bridge id)kSecClass];
-
-    NSMutableDictionary* tempCheck =
-        [self dictionaryToSecItemFormat:_keychainData];
-    [tempCheck removeObjectForKey:(__bridge id)kSecClass];
-
-    OSStatus errorcode = SecItemUpdate((__bridge CFDictionaryRef)updateItem,
-                                       (__bridge CFDictionaryRef)tempCheck);
-    if (errorcode != noErr) {
-      NSLog(@"Couldn't update the Keychain Item. %d", (int)errorcode);
-    }
-  } else {
-    OSStatus errorcode =
-        SecItemAdd((__bridge CFDictionaryRef)
-                       [self dictionaryToSecItemFormat:_keychainData],
-                   NULL);
-    if (errorcode != noErr) {
-      NSLog(@"Couldn't add the Keychain Item. %d", (int)errorcode);
-    }
-    if (attributes) {
-      CFRelease(attributes);
-      attributes = nil;
-    }
-  }
-}
-
-@end