1/*
2 * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
3 * Copyright (C) 2009 Google Inc. All rights reserved.
4 * Copyright (C) 2011 Apple Inc. All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1.  Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
12 * 2.  Redistributions in binary form must reproduce the above copyright
13 *     notice, this list of conditions and the following disclaimer in the
14 *     documentation and/or other materials provided with the distribution.
15 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
16 *     its contributors may be used to endorse or promote products derived
17 *     from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef HTTPParsers_h
32#define HTTPParsers_h
33
34#include "ContentSecurityPolicy.h"
35#include <wtf/Forward.h>
36#include <wtf/Vector.h>
37
38namespace WebCore {
39
40enum ContentDispositionType {
41    ContentDispositionNone,
42    ContentDispositionInline,
43    ContentDispositionAttachment,
44    ContentDispositionOther
45};
46
47#if ENABLE(NOSNIFF)
48enum ContentTypeOptionsDisposition {
49    ContentTypeOptionsNone,
50    ContentTypeOptionsNosniff
51};
52#endif
53
54enum XFrameOptionsDisposition {
55    XFrameOptionsNone,
56    XFrameOptionsDeny,
57    XFrameOptionsSameOrigin,
58    XFrameOptionsAllowAll,
59    XFrameOptionsInvalid,
60    XFrameOptionsConflict
61};
62
63ContentDispositionType contentDispositionType(const String&);
64bool isValidHTTPHeaderValue(const String&);
65bool isValidHTTPToken(const String&);
66bool parseHTTPRefresh(const String& refresh, bool fromHttpEquivMeta, double& delay, String& url);
67double parseDate(const String&);
68String filenameFromHTTPContentDisposition(const String&);
69String extractMIMETypeFromMediaType(const String&);
70String extractCharsetFromMediaType(const String&);
71void findCharsetInMediaType(const String& mediaType, unsigned int& charsetPos, unsigned int& charsetLen, unsigned int start = 0);
72ContentSecurityPolicy::ReflectedXSSDisposition parseXSSProtectionHeader(const String& header, String& failureReason, unsigned& failurePosition, String& reportURL);
73String extractReasonPhraseFromHTTPStatusLine(const String&);
74XFrameOptionsDisposition parseXFrameOptionsHeader(const String&);
75
76// -1 could be set to one of the return parameters to indicate the value is not specified.
77bool parseRange(const String&, long long& rangeOffset, long long& rangeEnd, long long& rangeSuffixLength);
78
79#if ENABLE(NOSNIFF)
80ContentTypeOptionsDisposition parseContentTypeOptionsHeader(const String& header);
81#endif
82
83// Parsing Complete HTTP Messages.
84enum HTTPVersion { Unknown, HTTP_1_0, HTTP_1_1 };
85size_t parseHTTPRequestLine(const char* data, size_t length, String& failureReason, String& method, String& url, HTTPVersion&);
86size_t parseHTTPHeader(const char* data, size_t length, String& failureReason, String& nameStr, String& valueStr, bool strict = true);
87size_t parseHTTPRequestBody(const char* data, size_t length, Vector<unsigned char>& body);
88
89}
90
91#endif
92