2 * Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
3 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <wtf/Vector.h>
31 #include <wtf/text/CString.h>
32 #include <wtf/text/WTFString.h>
36 enum Base64EncodePolicy {
39 Base64URLPolicy // No padding, no LFs.
42 enum Base64DecodePolicy {
43 Base64FailOnInvalidCharacterOrExcessPadding,
44 Base64FailOnInvalidCharacter,
45 Base64IgnoreWhitespace,
46 Base64IgnoreInvalidCharacters
49 WTF_EXPORT_PRIVATE void base64Encode(const char*, unsigned, Vector<char>&, Base64EncodePolicy = Base64DoNotInsertLFs);
50 WTF_EXPORT_PRIVATE void base64Encode(const Vector<char>&, Vector<char>&, Base64EncodePolicy = Base64DoNotInsertLFs);
51 WTF_EXPORT_PRIVATE void base64Encode(const CString&, Vector<char>&, Base64EncodePolicy = Base64DoNotInsertLFs);
52 WTF_EXPORT_PRIVATE String base64Encode(const char*, unsigned, Base64EncodePolicy = Base64DoNotInsertLFs);
53 WTF_EXPORT_PRIVATE String base64Encode(const Vector<char>&, Base64EncodePolicy = Base64DoNotInsertLFs);
54 WTF_EXPORT_PRIVATE String base64Encode(const CString&, Base64EncodePolicy = Base64DoNotInsertLFs);
56 WTF_EXPORT_PRIVATE bool base64Decode(const String&, Vector<char>&, Base64DecodePolicy = Base64FailOnInvalidCharacter);
57 WTF_EXPORT_PRIVATE bool base64Decode(const Vector<char>&, Vector<char>&, Base64DecodePolicy = Base64FailOnInvalidCharacter);
58 WTF_EXPORT_PRIVATE bool base64Decode(const char*, unsigned, Vector<char>&, Base64DecodePolicy = Base64FailOnInvalidCharacter);
60 inline void base64Encode(const Vector<char>& in, Vector<char>& out, Base64EncodePolicy policy)
62 base64Encode(in.data(), in.size(), out, policy);
65 inline void base64Encode(const CString& in, Vector<char>& out, Base64EncodePolicy policy)
67 base64Encode(in.data(), in.length(), out, policy);
70 inline String base64Encode(const Vector<char>& in, Base64EncodePolicy policy)
72 return base64Encode(in.data(), in.size(), policy);
75 inline String base64Encode(const CString& in, Base64EncodePolicy policy)
77 return base64Encode(in.data(), in.length(), policy);
80 // ======================================================================================
81 // All the same functions modified for base64url, as defined in RFC 4648.
82 // This format uses '-' and '_' instead of '+' and '/' respectively.
83 // ======================================================================================
85 WTF_EXPORT_PRIVATE void base64URLEncode(const char*, unsigned, Vector<char>&);
86 WTF_EXPORT_PRIVATE void base64URLEncode(const Vector<char>&, Vector<char>&);
87 WTF_EXPORT_PRIVATE void base64URLEncode(const CString&, Vector<char>&);
88 WTF_EXPORT_PRIVATE String base64URLEncode(const char*, unsigned);
89 WTF_EXPORT_PRIVATE String base64URLEncode(const Vector<char>&);
90 WTF_EXPORT_PRIVATE String base64URLEncode(const CString&);
92 WTF_EXPORT_PRIVATE bool base64URLDecode(const String&, Vector<char>&);
93 WTF_EXPORT_PRIVATE bool base64URLDecode(const Vector<char>&, Vector<char>&);
94 WTF_EXPORT_PRIVATE bool base64URLDecode(const char*, unsigned, Vector<char>&);
96 inline void base64URLEncode(const Vector<char>& in, Vector<char>& out)
98 base64URLEncode(in.data(), in.size(), out);
101 inline void base64URLEncode(const CString& in, Vector<char>& out)
103 base64URLEncode(in.data(), in.length(), out);
106 inline String base64URLEncode(const Vector<char>& in)
108 return base64URLEncode(in.data(), in.size());
111 inline String base64URLEncode(const CString& in)
113 return base64URLEncode(in.data(), in.length());
118 using WTF::Base64EncodePolicy;
119 using WTF::Base64DoNotInsertLFs;
120 using WTF::Base64InsertLFs;
121 using WTF::Base64DecodePolicy;
122 using WTF::Base64FailOnInvalidCharacterOrExcessPadding;
123 using WTF::Base64FailOnInvalidCharacter;
124 using WTF::Base64IgnoreWhitespace;
125 using WTF::Base64IgnoreInvalidCharacters;
126 using WTF::base64Encode;
127 using WTF::base64Decode;
128 using WTF::base64URLDecode;