FRAQRUtils.m revision eea09ddc6e4b4287103c8500027f3e65b5470280
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * The contents of this file are subject to the terms of the Common Development and
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * Distribution License (the License). You may not use this file except in compliance with the
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * specific language governing permission and limitations under the License.
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * When distributing Covered Software, include this CDDL Header Notice in each file and include
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * Header, with the fields enclosed by brackets [] replaced by your own identifying
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * information: "Portions copyright [year] [name of copyright owner]".
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings * Copyright 2016 ForgeRock AS.
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings#import "FRAQRUtils.h"
2708b42676edf3d2e8f85b3c22b9e3be3cf43eb8Diego Colantonistatic NSString * const VALID_BASE64_CHARACTERS = @"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
2708b42676edf3d2e8f85b3c22b9e3be3cf43eb8Diego Colantoni+ (NSString *)replaceCharactersForURLDecoding:(NSString *)content {
9ebd9a731316dfd624ce3bcc4ea6519d10899936Ken Stubbings NSString * fixed = [content stringByReplacingOccurrencesOfString:@"-" withString:@"+"];
465ea459a87d4605e145d8f45b6a9c104b696e3bCraig McDonnell return [fixed stringByReplacingOccurrencesOfString:@"_" withString:@"/"];
465ea459a87d4605e145d8f45b6a9c104b696e3bCraig McDonnell NSString * fixed = [FRAQRUtils replaceCharactersForURLDecoding:content];
2708b42676edf3d2e8f85b3c22b9e3be3cf43eb8Diego Colantoni+ (NSData *)decodeBase64:(NSString *) base64String {
465ea459a87d4605e145d8f45b6a9c104b696e3bCraig McDonnell return [[NSData alloc] initWithBase64EncodedString:base64String options:0];
eea09ddc6e4b4287103c8500027f3e65b5470280Diego Colantoni return [content stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
eea09ddc6e4b4287103c8500027f3e65b5470280Diego Colantoni int paddSize = (4 - ([content length] % 4)) % 4;
eea09ddc6e4b4287103c8500027f3e65b5470280Diego Colantoni content = [content stringByAppendingString:@"="];
2708b42676edf3d2e8f85b3c22b9e3be3cf43eb8Diego Colantoni static NSCharacterSet *invertedBase64CharacterSet = nil;
2708b42676edf3d2e8f85b3c22b9e3be3cf43eb8Diego Colantoni invertedBase64CharacterSet = [[NSCharacterSet characterSetWithCharactersInString:VALID_BASE64_CHARACTERS] invertedSet];