68 lines
2.3 KiB
Objective-C
68 lines
2.3 KiB
Objective-C
/*! @file OIDTokenUtilities.h
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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 <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/*! @brief Provides data encoding/decoding methods, random string generators, etc.
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*/
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@interface OIDTokenUtilities : NSObject
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/*! @internal
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@brief Unavailable. This class should not be initialized.
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*/
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- (instancetype)init NS_UNAVAILABLE;
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/*! @brief Base64url-nopadding encodes the given data.
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@param data The input data.
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@return The base64url encoded data as a NSString.
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@discussion Base64url-nopadding is used in several identity specs such as PKCE and
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OpenID Connect.
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*/
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+ (NSString *)encodeBase64urlNoPadding:(NSData *)data;
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/*! @brief Generates a URL-safe string of random data.
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@param size The number of random bytes to encode. NB. the length of the output string will be
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greater than the number of random bytes, due to the URL-safe encoding.
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@return Random data encoded with base64url.
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*/
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+ (nullable NSString *)randomURLSafeStringWithSize:(NSUInteger)size;
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/*! @brief SHA256 hashes the input string.
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@param inputString The input string.
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@return The SHA256 data.
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*/
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+ (NSData *)sha256:(NSString *)inputString;
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/*! @brief Truncated intput string after first 6 characters followed by ellipses
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@param inputString The input string.
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@return Truncated string.
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*/
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+ (nullable NSString *)redact:(nullable NSString *)inputString;
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/*! @brief Form url encode the input string by applying application/x-www-form-urlencoded algorithm
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@param inputString The input string.
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@return The encoded string.
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*/
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+ (NSString*)formUrlEncode:(NSString*)inputString;
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@end
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NS_ASSUME_NONNULL_END
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