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1 /* | 1 /* |
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) | 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2001 Dirk Mueller (mueller@kde.org) | 4 * (C) 2001 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. | 5 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) | 6 * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
7 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmo
bile.com/) | 7 * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmo
bile.com/) |
8 * | 8 * |
9 * This library is free software; you can redistribute it and/or | 9 * This library is free software; you can redistribute it and/or |
10 * modify it under the terms of the GNU Library General Public | 10 * modify it under the terms of the GNU Library General Public |
11 * License as published by the Free Software Foundation; either | 11 * License as published by the Free Software Foundation; either |
12 * version 2 of the License, or (at your option) any later version. | 12 * version 2 of the License, or (at your option) any later version. |
13 * | 13 * |
14 * This library is distributed in the hope that it will be useful, | 14 * This library is distributed in the hope that it will be useful, |
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 * Library General Public License for more details. | 17 * Library General Public License for more details. |
18 * | 18 * |
19 * You should have received a copy of the GNU Library General Public License | 19 * You should have received a copy of the GNU Library General Public License |
20 * along with this library; see the file COPYING.LIB. If not, write to | 20 * along with this library; see the file COPYING.LIB. If not, write to |
21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 * Boston, MA 02110-1301, USA. | 22 * Boston, MA 02110-1301, USA. |
23 */ | 23 */ |
24 | 24 |
25 #include "config.h" | 25 #include "config.h" |
26 #include "platform/network/FormDataBuilder.h" | 26 #include "platform/network/FormDataEncoder.h" |
27 | 27 |
28 #include <limits> | |
29 #include "wtf/CryptographicallyRandomNumber.h" | 28 #include "wtf/CryptographicallyRandomNumber.h" |
30 #include "wtf/HexNumber.h" | 29 #include "wtf/HexNumber.h" |
31 #include "wtf/text/CString.h" | 30 #include "wtf/text/CString.h" |
32 #include "wtf/text/TextEncoding.h" | 31 #include "wtf/text/TextEncoding.h" |
| 32 #include <limits> |
33 | 33 |
34 namespace blink { | 34 namespace blink { |
35 | 35 |
36 // Helper functions | 36 // Helper functions |
37 static inline void append(Vector<char>& buffer, char string) | 37 static inline void append(Vector<char>& buffer, char string) |
38 { | 38 { |
39 buffer.append(string); | 39 buffer.append(string); |
40 } | 40 } |
41 | 41 |
42 static inline void append(Vector<char>& buffer, const char* string) | 42 static inline void append(Vector<char>& buffer, const char* string) |
43 { | 43 { |
44 buffer.append(string, strlen(string)); | 44 buffer.append(string, strlen(string)); |
45 } | 45 } |
46 | 46 |
47 static inline void append(Vector<char>& buffer, const CString& string) | 47 static inline void append(Vector<char>& buffer, const CString& string) |
48 { | 48 { |
49 buffer.append(string.data(), string.length()); | 49 buffer.append(string.data(), string.length()); |
50 } | 50 } |
51 | 51 |
52 static void appendQuotedString(Vector<char>& buffer, const CString& string) | 52 static void appendQuotedString(Vector<char>& buffer, const CString& string) |
53 { | 53 { |
54 // Append a string as a quoted value, escaping quotes and line breaks. | 54 // Append a string as a quoted value, escaping quotes and line breaks. |
55 // FIXME: Is it correct to use percent escaping here? Other browsers do not
encode these characters yet, | 55 // FIXME: Is it correct to use percent escaping here? Other browsers do not
encode these characters yet, |
56 // so we should test popular servers to find out if there is an encoding for
m they can handle. | 56 // so we should test popular servers to find out if there is an encoding for
m they can handle. |
57 size_t length = string.length(); | 57 size_t length = string.length(); |
58 for (size_t i = 0; i < length; ++i) { | 58 for (size_t i = 0; i < length; ++i) { |
59 char c = string.data()[i]; | 59 char c = string.data()[i]; |
60 | 60 |
61 switch (c) { | 61 switch (c) { |
62 case 0x0a: | 62 case 0x0a: |
63 append(buffer, "%0A"); | 63 append(buffer, "%0A"); |
64 break; | 64 break; |
65 case 0x0d: | 65 case 0x0d: |
66 append(buffer, "%0D"); | 66 append(buffer, "%0D"); |
67 break; | 67 break; |
68 case '"': | 68 case '"': |
69 append(buffer, "%22"); | 69 append(buffer, "%22"); |
70 break; | 70 break; |
71 default: | 71 default: |
72 append(buffer, c); | 72 append(buffer, c); |
73 } | 73 } |
74 } | 74 } |
75 } | 75 } |
76 | 76 |
77 WTF::TextEncoding FormDataBuilder::encodingFromAcceptCharset(const String& accep
tCharset, const String& charset, const String& defaultCharset) | 77 WTF::TextEncoding FormDataEncoder::encodingFromAcceptCharset(const String& accep
tCharset, const String& charset, const String& defaultCharset) |
78 { | 78 { |
79 String normalizedAcceptCharset = acceptCharset; | 79 String normalizedAcceptCharset = acceptCharset; |
80 normalizedAcceptCharset.replace(',', ' '); | 80 normalizedAcceptCharset.replace(',', ' '); |
81 | 81 |
82 Vector<String> charsets; | 82 Vector<String> charsets; |
83 normalizedAcceptCharset.split(' ', charsets); | 83 normalizedAcceptCharset.split(' ', charsets); |
84 | 84 |
85 WTF::TextEncoding encoding; | 85 WTF::TextEncoding encoding; |
86 | 86 |
87 Vector<String>::const_iterator end = charsets.end(); | 87 Vector<String>::const_iterator end = charsets.end(); |
88 for (Vector<String>::const_iterator it = charsets.begin(); it != end; ++it)
{ | 88 for (Vector<String>::const_iterator it = charsets.begin(); it != end; ++it)
{ |
89 if ((encoding = WTF::TextEncoding(*it)).isValid()) | 89 if ((encoding = WTF::TextEncoding(*it)).isValid()) |
90 return encoding; | 90 return encoding; |
91 } | 91 } |
92 | 92 |
93 if (charset.isEmpty()) { | 93 if (charset.isEmpty()) { |
94 if (defaultCharset.isEmpty()) | 94 if (defaultCharset.isEmpty()) |
95 return WTF::UTF8Encoding(); | 95 return WTF::UTF8Encoding(); |
96 | 96 |
97 return defaultCharset; | 97 return defaultCharset; |
98 } | 98 } |
99 | 99 |
100 return charset; | 100 return charset; |
101 } | 101 } |
102 | 102 |
103 Vector<char> FormDataBuilder::generateUniqueBoundaryString() | 103 Vector<char> FormDataEncoder::generateUniqueBoundaryString() |
104 { | 104 { |
105 Vector<char> boundary; | 105 Vector<char> boundary; |
106 | 106 |
107 // The RFC 2046 spec says the alphanumeric characters plus the | 107 // The RFC 2046 spec says the alphanumeric characters plus the |
108 // following characters are legal for boundaries: '()+_,-./:=? | 108 // following characters are legal for boundaries: '()+_,-./:=? |
109 // However the following characters, though legal, cause some sites | 109 // However the following characters, though legal, cause some sites |
110 // to fail: (),./:=+ | 110 // to fail: (),./:=+ |
111 // Note that our algorithm makes it twice as much likely for 'A' or 'B' | 111 // Note that our algorithm makes it twice as much likely for 'A' or 'B' |
112 // to appear in the boundary string, because 0x41 and 0x42 are present in | 112 // to appear in the boundary string, because 0x41 and 0x42 are present in |
113 // the below array twice. | 113 // the below array twice. |
(...skipping 20 matching lines...) Expand all Loading... |
134 randomBytes.append(alphaNumericEncodingMap[(randomness >> 16) & 0x3F]); | 134 randomBytes.append(alphaNumericEncodingMap[(randomness >> 16) & 0x3F]); |
135 randomBytes.append(alphaNumericEncodingMap[(randomness >> 8) & 0x3F]); | 135 randomBytes.append(alphaNumericEncodingMap[(randomness >> 8) & 0x3F]); |
136 randomBytes.append(alphaNumericEncodingMap[randomness & 0x3F]); | 136 randomBytes.append(alphaNumericEncodingMap[randomness & 0x3F]); |
137 } | 137 } |
138 | 138 |
139 boundary.appendVector(randomBytes); | 139 boundary.appendVector(randomBytes); |
140 boundary.append(0); // Add a 0 at the end so we can use this as a C-style st
ring. | 140 boundary.append(0); // Add a 0 at the end so we can use this as a C-style st
ring. |
141 return boundary; | 141 return boundary; |
142 } | 142 } |
143 | 143 |
144 void FormDataBuilder::beginMultiPartHeader(Vector<char>& buffer, const CString&
boundary, const CString& name) | 144 void FormDataEncoder::beginMultiPartHeader(Vector<char>& buffer, const CString&
boundary, const CString& name) |
145 { | 145 { |
146 addBoundaryToMultiPartHeader(buffer, boundary); | 146 addBoundaryToMultiPartHeader(buffer, boundary); |
147 | 147 |
148 // FIXME: This loses data irreversibly if the input name includes characters
you can't encode | 148 // FIXME: This loses data irreversibly if the input name includes characters
you can't encode |
149 // in the website's character set. | 149 // in the website's character set. |
150 append(buffer, "Content-Disposition: form-data; name=\""); | 150 append(buffer, "Content-Disposition: form-data; name=\""); |
151 appendQuotedString(buffer, name); | 151 appendQuotedString(buffer, name); |
152 append(buffer, '"'); | 152 append(buffer, '"'); |
153 } | 153 } |
154 | 154 |
155 void FormDataBuilder::addBoundaryToMultiPartHeader(Vector<char>& buffer, const C
String& boundary, bool isLastBoundary) | 155 void FormDataEncoder::addBoundaryToMultiPartHeader(Vector<char>& buffer, const C
String& boundary, bool isLastBoundary) |
156 { | 156 { |
157 append(buffer, "--"); | 157 append(buffer, "--"); |
158 append(buffer, boundary); | 158 append(buffer, boundary); |
159 | 159 |
160 if (isLastBoundary) | 160 if (isLastBoundary) |
161 append(buffer, "--"); | 161 append(buffer, "--"); |
162 | 162 |
163 append(buffer, "\r\n"); | 163 append(buffer, "\r\n"); |
164 } | 164 } |
165 | 165 |
166 void FormDataBuilder::addFilenameToMultiPartHeader(Vector<char>& buffer, const W
TF::TextEncoding& encoding, const String& filename) | 166 void FormDataEncoder::addFilenameToMultiPartHeader(Vector<char>& buffer, const W
TF::TextEncoding& encoding, const String& filename) |
167 { | 167 { |
168 // FIXME: This loses data irreversibly if the filename includes characters y
ou can't encode | 168 // FIXME: This loses data irreversibly if the filename includes characters y
ou can't encode |
169 // in the website's character set. | 169 // in the website's character set. |
170 append(buffer, "; filename=\""); | 170 append(buffer, "; filename=\""); |
171 appendQuotedString(buffer, encoding.encode(filename, WTF::QuestionMarksForUn
encodables)); | 171 appendQuotedString(buffer, encoding.encode(filename, WTF::QuestionMarksForUn
encodables)); |
172 append(buffer, '"'); | 172 append(buffer, '"'); |
173 } | 173 } |
174 | 174 |
175 void FormDataBuilder::addContentTypeToMultiPartHeader(Vector<char>& buffer, cons
t CString& mimeType) | 175 void FormDataEncoder::addContentTypeToMultiPartHeader(Vector<char>& buffer, cons
t CString& mimeType) |
176 { | 176 { |
177 append(buffer, "\r\nContent-Type: "); | 177 append(buffer, "\r\nContent-Type: "); |
178 append(buffer, mimeType); | 178 append(buffer, mimeType); |
179 } | 179 } |
180 | 180 |
181 void FormDataBuilder::finishMultiPartHeader(Vector<char>& buffer) | 181 void FormDataEncoder::finishMultiPartHeader(Vector<char>& buffer) |
182 { | 182 { |
183 append(buffer, "\r\n\r\n"); | 183 append(buffer, "\r\n\r\n"); |
184 } | 184 } |
185 | 185 |
186 void FormDataBuilder::addKeyValuePairAsFormData(Vector<char>& buffer, const CStr
ing& key, const CString& value, FormData::EncodingType encodingType) | 186 void FormDataEncoder::addKeyValuePairAsFormData(Vector<char>& buffer, const CStr
ing& key, const CString& value, EncodedFormData::EncodingType encodingType) |
187 { | 187 { |
188 if (encodingType == FormData::TextPlain) { | 188 if (encodingType == EncodedFormData::TextPlain) { |
189 if (!buffer.isEmpty()) | 189 if (!buffer.isEmpty()) |
190 append(buffer, "\r\n"); | 190 append(buffer, "\r\n"); |
191 append(buffer, key); | 191 append(buffer, key); |
192 append(buffer, '='); | 192 append(buffer, '='); |
193 append(buffer, value); | 193 append(buffer, value); |
194 } else { | 194 } else { |
195 if (!buffer.isEmpty()) | 195 if (!buffer.isEmpty()) |
196 append(buffer, '&'); | 196 append(buffer, '&'); |
197 encodeStringAsFormData(buffer, key); | 197 encodeStringAsFormData(buffer, key); |
198 append(buffer, '='); | 198 append(buffer, '='); |
199 encodeStringAsFormData(buffer, value); | 199 encodeStringAsFormData(buffer, value); |
200 } | 200 } |
201 } | 201 } |
202 | 202 |
203 void FormDataBuilder::encodeStringAsFormData(Vector<char>& buffer, const CString
& string) | 203 void FormDataEncoder::encodeStringAsFormData(Vector<char>& buffer, const CString
& string) |
204 { | 204 { |
205 // Same safe characters as Netscape for compatibility. | 205 // Same safe characters as Netscape for compatibility. |
206 static const char safeCharacters[] = "-._*"; | 206 static const char safeCharacters[] = "-._*"; |
207 | 207 |
208 // http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.1 | 208 // http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.1 |
209 unsigned length = string.length(); | 209 unsigned length = string.length(); |
210 for (unsigned i = 0; i < length; ++i) { | 210 for (unsigned i = 0; i < length; ++i) { |
211 unsigned char c = string.data()[i]; | 211 unsigned char c = string.data()[i]; |
212 | 212 |
213 if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <
= '9') || strchr(safeCharacters, c)) | 213 if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <
= '9') || strchr(safeCharacters, c)) { |
214 append(buffer, c); | 214 append(buffer, c); |
215 else if (c == ' ') | 215 } else if (c == ' ') { |
216 append(buffer, '+'); | 216 append(buffer, '+'); |
217 else if (c == '\n' || (c == '\r' && (i + 1 >= length || string.data()[i
+ 1] != '\n'))) | 217 } else if (c == '\n' || (c == '\r' && (i + 1 >= length || string.data()[
i + 1] != '\n'))) { |
218 append(buffer, "%0D%0A"); | 218 append(buffer, "%0D%0A"); |
219 else if (c != '\r') { | 219 } else if (c != '\r') { |
220 append(buffer, '%'); | 220 append(buffer, '%'); |
221 appendByteAsHex(c, buffer); | 221 appendByteAsHex(c, buffer); |
222 } | 222 } |
223 } | 223 } |
224 } | 224 } |
225 | 225 |
226 } | 226 } |
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