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// Copyright 2017 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 "Private/FIRURLSchemeUtil.h"
#import "Private/FIRLogger.h"
/**
* Regular expression to match the URL scheme for Google sign-in.
*/
static NSString *const kFIRGoogleSignInURLSchemePattern =
@"^com\\.googleusercontent\\.apps\\.\\d+-\\w+$";
BOOL fir_areURLSchemesValidForGoogleSignIn(NSArray *urlSchemes) {
BOOL hasReversedClientID = NO;
for (NSString *urlScheme in urlSchemes) {
if (!hasReversedClientID) {
NSRange range = [urlScheme rangeOfString:kFIRGoogleSignInURLSchemePattern
options:NSRegularExpressionSearch];
if (range.location != NSNotFound) {
hasReversedClientID = YES;
}
}
}
if (hasReversedClientID) {
return YES;
}
if (!hasReversedClientID) {
FIRLogInfo(kFIRLoggerCore, @"I-COR000021", @"A reversed client ID should be added as a URL "
@"scheme to enable Google sign-in.");
}
return NO;
}
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