1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*
* Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2011 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef HTTPParsers_h
#define HTTPParsers_h
#include "platform/PlatformExport.h"
#include "platform/json/JSONValues.h"
#include "wtf/Allocator.h"
#include "wtf/Forward.h"
#include "wtf/HashSet.h"
#include "wtf/Vector.h"
#include "wtf/text/StringHash.h"
#include <memory>
namespace blink {
class Suborigin;
class ResourceResponse;
typedef enum {
ContentDispositionNone,
ContentDispositionInline,
ContentDispositionAttachment,
ContentDispositionOther
} ContentDispositionType;
enum ContentTypeOptionsDisposition {
ContentTypeOptionsNone,
ContentTypeOptionsNosniff
};
// Be sure to update the behavior of
// XSSAuditor::combineXSSProtectionHeaderAndCSP whenever you change this enum's
// content or ordering.
enum ReflectedXSSDisposition {
ReflectedXSSUnset = 0,
AllowReflectedXSS,
ReflectedXSSInvalid,
FilterReflectedXSS,
BlockReflectedXSS
};
using CommaDelimitedHeaderSet = HashSet<String, CaseFoldingHash>;
struct CacheControlHeader {
DISALLOW_NEW();
bool parsed : 1;
bool containsNoCache : 1;
bool containsNoStore : 1;
bool containsMustRevalidate : 1;
double maxAge;
double staleWhileRevalidate;
CacheControlHeader()
: parsed(false),
containsNoCache(false),
containsNoStore(false),
containsMustRevalidate(false),
maxAge(0.0),
staleWhileRevalidate(0.0) {}
};
PLATFORM_EXPORT ContentDispositionType getContentDispositionType(const String&);
PLATFORM_EXPORT bool isValidHTTPHeaderValue(const String&);
PLATFORM_EXPORT bool isValidHTTPFieldContentRFC7230(const String&);
// Checks whether the given string conforms to the |token| ABNF production
// defined in the RFC 7230 or not.
//
// The ABNF is for validating octets, but this method takes a String instance
// for convenience which consists of Unicode code points. When this method sees
// non-ASCII characters, it just returns false.
PLATFORM_EXPORT bool isValidHTTPToken(const String&);
// |matcher| specifies a function to check a whitespace character. if |nullptr|
// is specified, ' ' and '\t' are treated as whitespace characters.
PLATFORM_EXPORT bool parseHTTPRefresh(const String& refresh,
WTF::CharacterMatchFunctionPtr matcher,
double& delay,
String& url);
PLATFORM_EXPORT double parseDate(const String&);
// Given a Media Type (like "foo/bar; baz=gazonk" - usually from the
// 'Content-Type' HTTP header), extract and return the "type/subtype" portion
// ("foo/bar").
//
// Note:
// - This function does not in any way check that the "type/subtype" pair
// is well-formed.
// - OWSes at the head and the tail of the region before the first semicolon
// are trimmed.
PLATFORM_EXPORT AtomicString extractMIMETypeFromMediaType(const AtomicString&);
PLATFORM_EXPORT String extractCharsetFromMediaType(const String&);
PLATFORM_EXPORT void findCharsetInMediaType(const String& mediaType,
unsigned& charsetPos,
unsigned& charsetLen,
unsigned start = 0);
PLATFORM_EXPORT ReflectedXSSDisposition
parseXSSProtectionHeader(const String& header,
String& failureReason,
unsigned& failurePosition,
String& reportURL);
PLATFORM_EXPORT CacheControlHeader
parseCacheControlDirectives(const AtomicString& cacheControlHeader,
const AtomicString& pragmaHeader);
PLATFORM_EXPORT void parseCommaDelimitedHeader(const String& headerValue,
CommaDelimitedHeaderSet&);
// Returns true on success, otherwise false. The Suborigin argument must be a
// non-null return argument. |messages| is a list of messages based on any
// parse warnings or errors. Even if parseSuboriginHeader returns true, there
// may be Strings in |messages|.
PLATFORM_EXPORT bool parseSuboriginHeader(const String& header,
Suborigin*,
WTF::Vector<String>& messages);
PLATFORM_EXPORT ContentTypeOptionsDisposition
parseContentTypeOptionsHeader(const String& header);
// Returns true and stores the position of the end of the headers to |*end|
// if the headers part ends in |bytes[0..size]|. Returns false otherwise.
PLATFORM_EXPORT bool parseMultipartHeadersFromBody(const char* bytes,
size_t,
ResourceResponse*,
size_t* end);
// Parses a header value containing JSON data, according to
// https://tools.ietf.org/html/draft-ietf-httpbis-jfv-01
// Returns an empty unique_ptr if the header cannot be parsed as JSON. JSON
// strings which represent object nested deeper than |maxParseDepth| will also
// cause an empty return value.
PLATFORM_EXPORT std::unique_ptr<JSONArray> parseJSONHeader(const String& header,
int maxParseDepth);
} // namespace blink
#endif
|
