59 lines
2.1 KiB
Objective-C
59 lines
2.1 KiB
Objective-C
/*! @file OIDScopeUtilities.m
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@brief AppAuth iOS SDK
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@copyright
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Copyright 2015 Google Inc. All Rights Reserved.
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@copydetails
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "OIDScopeUtilities.h"
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@implementation OIDScopeUtilities
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/*! @brief A character set with the characters NOT allowed in a scope name.
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@see https://tools.ietf.org/html/rfc6749#section-3.3
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*/
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+ (NSCharacterSet *)disallowedScopeCharacters {
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static NSCharacterSet *disallowedCharacters;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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NSMutableCharacterSet *allowedCharacters;
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allowedCharacters =
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[NSMutableCharacterSet characterSetWithRange:NSMakeRange(0x23, 0x5B - 0x23 + 1)];
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[allowedCharacters addCharactersInRange:NSMakeRange(0x5D, 0x7E - 0x5D + 1)];
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[allowedCharacters addCharactersInString:@"\x21"];
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disallowedCharacters = [allowedCharacters invertedSet];
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});
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return disallowedCharacters;
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}
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+ (NSString *)scopesWithArray:(NSArray<NSString *> *)scopes {
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#if !defined(NS_BLOCK_ASSERTIONS)
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NSCharacterSet *disallowedCharacters = [self disallowedScopeCharacters];
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for (NSString *scope in scopes) {
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NSAssert(scope.length, @"Found illegal empty scope string.");
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NSAssert([scope rangeOfCharacterFromSet:disallowedCharacters].location == NSNotFound,
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@"Found illegal character in scope string.");
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}
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#endif // !defined(NS_BLOCK_ASSERTIONS)
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NSString *scopeString = [scopes componentsJoinedByString:@" "];
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return scopeString;
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}
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+ (NSArray<NSString *> *)scopesArrayWithString:(NSString *)scopes {
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return [scopes componentsSeparatedByString:@" "];
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}
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@end
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