Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Portions of this code based on Mozilla: |
| 6 | // (netwerk/cookie/src/nsCookieService.cpp) |
| 7 | /* ***** BEGIN LICENSE BLOCK ***** |
| 8 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 9 | * |
| 10 | * The contents of this file are subject to the Mozilla Public License Version |
| 11 | * 1.1 (the "License"); you may not use this file except in compliance with |
| 12 | * the License. You may obtain a copy of the License at |
| 13 | * http://www.mozilla.org/MPL/ |
| 14 | * |
| 15 | * Software distributed under the License is distributed on an "AS IS" basis, |
| 16 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 17 | * for the specific language governing rights and limitations under the |
| 18 | * License. |
| 19 | * |
| 20 | * The Original Code is mozilla.org code. |
| 21 | * |
| 22 | * The Initial Developer of the Original Code is |
| 23 | * Netscape Communications Corporation. |
| 24 | * Portions created by the Initial Developer are Copyright (C) 2003 |
| 25 | * the Initial Developer. All Rights Reserved. |
| 26 | * |
| 27 | * Contributor(s): |
| 28 | * Daniel Witte (dwitte@stanford.edu) |
| 29 | * Michiel van Leeuwen (mvl@exedo.nl) |
| 30 | * |
| 31 | * Alternatively, the contents of this file may be used under the terms of |
| 32 | * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 33 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 34 | * in which case the provisions of the GPL or the LGPL are applicable instead |
| 35 | * of those above. If you wish to allow use of your version of this file only |
| 36 | * under the terms of either the GPL or the LGPL, and not to allow others to |
| 37 | * use your version of this file under the terms of the MPL, indicate your |
| 38 | * decision by deleting the provisions above and replace them with the notice |
| 39 | * and other provisions required by the GPL or the LGPL. If you do not delete |
| 40 | * the provisions above, a recipient may use your version of this file under |
| 41 | * the terms of any one of the MPL, the GPL or the LGPL. |
| 42 | * |
| 43 | * ***** END LICENSE BLOCK ***** */ |
| 44 | |
| 45 | #include "net/cookies/parsed_cookie.h" |
| 46 | |
| 47 | #include "base/logging.h" |
Torne (Richard Coles) | 5e3f23d | 2013-06-11 16:24:11 +0100 | [diff] [blame] | 48 | #include "base/strings/string_util.h" |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 49 | |
| 50 | namespace { |
| 51 | |
| 52 | const char kPathTokenName[] = "path"; |
| 53 | const char kDomainTokenName[] = "domain"; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 54 | const char kExpiresTokenName[] = "expires"; |
| 55 | const char kMaxAgeTokenName[] = "max-age"; |
| 56 | const char kSecureTokenName[] = "secure"; |
| 57 | const char kHttpOnlyTokenName[] = "httponly"; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 58 | const char kPriorityTokenName[] = "priority"; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 59 | |
| 60 | const char kTerminator[] = "\n\r\0"; |
| 61 | const int kTerminatorLen = sizeof(kTerminator) - 1; |
| 62 | const char kWhitespace[] = " \t"; |
| 63 | const char kValueSeparator[] = ";"; |
| 64 | const char kTokenSeparator[] = ";="; |
| 65 | |
| 66 | // Returns true if |c| occurs in |chars| |
| 67 | // TODO(erikwright): maybe make this take an iterator, could check for end also? |
| 68 | inline bool CharIsA(const char c, const char* chars) { |
| 69 | return strchr(chars, c) != NULL; |
| 70 | } |
| 71 | // Seek the iterator to the first occurrence of a character in |chars|. |
| 72 | // Returns true if it hit the end, false otherwise. |
| 73 | inline bool SeekTo(std::string::const_iterator* it, |
| 74 | const std::string::const_iterator& end, |
| 75 | const char* chars) { |
| 76 | for (; *it != end && !CharIsA(**it, chars); ++(*it)) {} |
| 77 | return *it == end; |
| 78 | } |
| 79 | // Seek the iterator to the first occurrence of a character not in |chars|. |
| 80 | // Returns true if it hit the end, false otherwise. |
| 81 | inline bool SeekPast(std::string::const_iterator* it, |
| 82 | const std::string::const_iterator& end, |
| 83 | const char* chars) { |
| 84 | for (; *it != end && CharIsA(**it, chars); ++(*it)) {} |
| 85 | return *it == end; |
| 86 | } |
| 87 | inline bool SeekBackPast(std::string::const_iterator* it, |
| 88 | const std::string::const_iterator& end, |
| 89 | const char* chars) { |
| 90 | for (; *it != end && CharIsA(**it, chars); --(*it)) {} |
| 91 | return *it == end; |
| 92 | } |
| 93 | |
| 94 | // Validate whether |value| is a valid token according to [RFC2616], |
| 95 | // Section 2.2. |
| 96 | bool IsValidToken(const std::string& value) { |
| 97 | if (value.empty()) |
| 98 | return false; |
| 99 | |
| 100 | // Check that |value| has no separators. |
| 101 | std::string separators = "()<>@,;:\\\"/[]?={} \t"; |
| 102 | if (value.find_first_of(separators) != std::string::npos) |
| 103 | return false; |
| 104 | |
| 105 | // Check that |value| has no CTLs. |
| 106 | for (std::string::const_iterator i = value.begin(); i != value.end(); ++i) { |
| 107 | if ((*i >= 0 && *i <= 31) || *i >= 127) |
| 108 | return false; |
| 109 | } |
| 110 | |
| 111 | return true; |
| 112 | } |
| 113 | |
| 114 | // Validate value, which may be according to RFC 6265 |
| 115 | // cookie-value = *cookie-octet / ( DQUOTE *cookie-octet DQUOTE ) |
| 116 | // cookie-octet = %x21 / %x23-2B / %x2D-3A / %x3C-5B / %x5D-7E |
| 117 | // ; US-ASCII characters excluding CTLs, |
| 118 | // ; whitespace DQUOTE, comma, semicolon, |
| 119 | // ; and backslash |
| 120 | bool IsValidCookieValue(const std::string& value) { |
| 121 | // Number of characters to skip in validation at beginning and end of string. |
| 122 | size_t skip = 0; |
| 123 | if (value.size() >= 2 && *value.begin() == '"' && *(value.end()-1) == '"') |
| 124 | skip = 1; |
| 125 | for (std::string::const_iterator i = value.begin() + skip; |
| 126 | i != value.end() - skip; ++i) { |
| 127 | bool valid_octet = |
| 128 | (*i == 0x21 || |
| 129 | (*i >= 0x23 && *i <= 0x2B) || |
| 130 | (*i >= 0x2D && *i <= 0x3A) || |
| 131 | (*i >= 0x3C && *i <= 0x5B) || |
| 132 | (*i >= 0x5D && *i <= 0x7E)); |
| 133 | if (!valid_octet) |
| 134 | return false; |
| 135 | } |
| 136 | return true; |
| 137 | } |
| 138 | |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 139 | bool IsControlCharacter(unsigned char c) { |
| 140 | return (c >= 0) && (c <= 31); |
| 141 | } |
| 142 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 143 | bool IsValidCookieAttributeValue(const std::string& value) { |
| 144 | // The greatest common denominator of cookie attribute values is |
| 145 | // <any CHAR except CTLs or ";"> according to RFC 6265. |
| 146 | for (std::string::const_iterator i = value.begin(); i != value.end(); ++i) { |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 147 | if (IsControlCharacter(*i) || *i == ';') |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 148 | return false; |
| 149 | } |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | } // namespace |
| 154 | |
| 155 | namespace net { |
| 156 | |
| 157 | ParsedCookie::ParsedCookie(const std::string& cookie_line) |
| 158 | : path_index_(0), |
| 159 | domain_index_(0), |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 160 | expires_index_(0), |
| 161 | maxage_index_(0), |
| 162 | secure_index_(0), |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 163 | httponly_index_(0), |
| 164 | priority_index_(0) { |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 165 | |
| 166 | if (cookie_line.size() > kMaxCookieSize) { |
| 167 | VLOG(1) << "Not parsing cookie, too large: " << cookie_line.size(); |
| 168 | return; |
| 169 | } |
| 170 | |
| 171 | ParseTokenValuePairs(cookie_line); |
| 172 | if (!pairs_.empty()) |
| 173 | SetupAttributes(); |
| 174 | } |
| 175 | |
| 176 | ParsedCookie::~ParsedCookie() { |
| 177 | } |
| 178 | |
| 179 | bool ParsedCookie::IsValid() const { |
| 180 | return !pairs_.empty(); |
| 181 | } |
| 182 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 183 | CookiePriority ParsedCookie::Priority() const { |
| 184 | return (priority_index_ == 0) ? COOKIE_PRIORITY_DEFAULT : |
| 185 | StringToCookiePriority(pairs_[priority_index_].second); |
| 186 | } |
| 187 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 188 | bool ParsedCookie::SetName(const std::string& name) { |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 189 | if (!IsValidToken(name)) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 190 | return false; |
| 191 | if (pairs_.empty()) |
| 192 | pairs_.push_back(std::make_pair("", "")); |
| 193 | pairs_[0].first = name; |
| 194 | return true; |
| 195 | } |
| 196 | |
| 197 | bool ParsedCookie::SetValue(const std::string& value) { |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 198 | if (!IsValidCookieValue(value)) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 199 | return false; |
| 200 | if (pairs_.empty()) |
| 201 | pairs_.push_back(std::make_pair("", "")); |
| 202 | pairs_[0].second = value; |
| 203 | return true; |
| 204 | } |
| 205 | |
| 206 | bool ParsedCookie::SetPath(const std::string& path) { |
| 207 | return SetString(&path_index_, kPathTokenName, path); |
| 208 | } |
| 209 | |
| 210 | bool ParsedCookie::SetDomain(const std::string& domain) { |
| 211 | return SetString(&domain_index_, kDomainTokenName, domain); |
| 212 | } |
| 213 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 214 | bool ParsedCookie::SetExpires(const std::string& expires) { |
| 215 | return SetString(&expires_index_, kExpiresTokenName, expires); |
| 216 | } |
| 217 | |
| 218 | bool ParsedCookie::SetMaxAge(const std::string& maxage) { |
| 219 | return SetString(&maxage_index_, kMaxAgeTokenName, maxage); |
| 220 | } |
| 221 | |
| 222 | bool ParsedCookie::SetIsSecure(bool is_secure) { |
| 223 | return SetBool(&secure_index_, kSecureTokenName, is_secure); |
| 224 | } |
| 225 | |
| 226 | bool ParsedCookie::SetIsHttpOnly(bool is_http_only) { |
| 227 | return SetBool(&httponly_index_, kHttpOnlyTokenName, is_http_only); |
| 228 | } |
| 229 | |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 230 | bool ParsedCookie::SetPriority(const std::string& priority) { |
| 231 | return SetString(&priority_index_, kPriorityTokenName, priority); |
| 232 | } |
| 233 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 234 | std::string ParsedCookie::ToCookieLine() const { |
| 235 | std::string out; |
| 236 | for (PairList::const_iterator it = pairs_.begin(); |
| 237 | it != pairs_.end(); ++it) { |
| 238 | if (!out.empty()) |
| 239 | out.append("; "); |
| 240 | out.append(it->first); |
| 241 | if (it->first != kSecureTokenName && it->first != kHttpOnlyTokenName) { |
| 242 | out.append("="); |
| 243 | out.append(it->second); |
| 244 | } |
| 245 | } |
| 246 | return out; |
| 247 | } |
| 248 | |
| 249 | std::string::const_iterator ParsedCookie::FindFirstTerminator( |
| 250 | const std::string& s) { |
| 251 | std::string::const_iterator end = s.end(); |
| 252 | size_t term_pos = |
| 253 | s.find_first_of(std::string(kTerminator, kTerminatorLen)); |
| 254 | if (term_pos != std::string::npos) { |
| 255 | // We found a character we should treat as an end of string. |
| 256 | end = s.begin() + term_pos; |
| 257 | } |
| 258 | return end; |
| 259 | } |
| 260 | |
| 261 | bool ParsedCookie::ParseToken(std::string::const_iterator* it, |
| 262 | const std::string::const_iterator& end, |
| 263 | std::string::const_iterator* token_start, |
| 264 | std::string::const_iterator* token_end) { |
| 265 | DCHECK(it && token_start && token_end); |
| 266 | std::string::const_iterator token_real_end; |
| 267 | |
| 268 | // Seek past any whitespace before the "token" (the name). |
| 269 | // token_start should point at the first character in the token |
| 270 | if (SeekPast(it, end, kWhitespace)) |
| 271 | return false; // No token, whitespace or empty. |
| 272 | *token_start = *it; |
| 273 | |
| 274 | // Seek over the token, to the token separator. |
| 275 | // token_real_end should point at the token separator, i.e. '='. |
| 276 | // If it == end after the seek, we probably have a token-value. |
| 277 | SeekTo(it, end, kTokenSeparator); |
| 278 | token_real_end = *it; |
| 279 | |
| 280 | // Ignore any whitespace between the token and the token separator. |
| 281 | // token_end should point after the last interesting token character, |
| 282 | // pointing at either whitespace, or at '=' (and equal to token_real_end). |
| 283 | if (*it != *token_start) { // We could have an empty token name. |
| 284 | --(*it); // Go back before the token separator. |
| 285 | // Skip over any whitespace to the first non-whitespace character. |
| 286 | SeekBackPast(it, *token_start, kWhitespace); |
| 287 | // Point after it. |
| 288 | ++(*it); |
| 289 | } |
| 290 | *token_end = *it; |
| 291 | |
| 292 | // Seek us back to the end of the token. |
| 293 | *it = token_real_end; |
| 294 | return true; |
| 295 | } |
| 296 | |
| 297 | void ParsedCookie::ParseValue(std::string::const_iterator* it, |
| 298 | const std::string::const_iterator& end, |
| 299 | std::string::const_iterator* value_start, |
| 300 | std::string::const_iterator* value_end) { |
| 301 | DCHECK(it && value_start && value_end); |
| 302 | |
| 303 | // Seek past any whitespace that might in-between the token and value. |
| 304 | SeekPast(it, end, kWhitespace); |
| 305 | // value_start should point at the first character of the value. |
| 306 | *value_start = *it; |
| 307 | |
| 308 | // Just look for ';' to terminate ('=' allowed). |
| 309 | // We can hit the end, maybe they didn't terminate. |
| 310 | SeekTo(it, end, kValueSeparator); |
| 311 | |
| 312 | // Will be pointed at the ; seperator or the end. |
| 313 | *value_end = *it; |
| 314 | |
| 315 | // Ignore any unwanted whitespace after the value. |
| 316 | if (*value_end != *value_start) { // Could have an empty value |
| 317 | --(*value_end); |
| 318 | SeekBackPast(value_end, *value_start, kWhitespace); |
| 319 | ++(*value_end); |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | std::string ParsedCookie::ParseTokenString(const std::string& token) { |
| 324 | std::string::const_iterator it = token.begin(); |
| 325 | std::string::const_iterator end = FindFirstTerminator(token); |
| 326 | |
| 327 | std::string::const_iterator token_start, token_end; |
| 328 | if (ParseToken(&it, end, &token_start, &token_end)) |
| 329 | return std::string(token_start, token_end); |
| 330 | return std::string(); |
| 331 | } |
| 332 | |
| 333 | std::string ParsedCookie::ParseValueString(const std::string& value) { |
| 334 | std::string::const_iterator it = value.begin(); |
| 335 | std::string::const_iterator end = FindFirstTerminator(value); |
| 336 | |
| 337 | std::string::const_iterator value_start, value_end; |
| 338 | ParseValue(&it, end, &value_start, &value_end); |
| 339 | return std::string(value_start, value_end); |
| 340 | } |
| 341 | |
| 342 | // Parse all token/value pairs and populate pairs_. |
| 343 | void ParsedCookie::ParseTokenValuePairs(const std::string& cookie_line) { |
| 344 | pairs_.clear(); |
| 345 | |
| 346 | // Ok, here we go. We should be expecting to be starting somewhere |
| 347 | // before the cookie line, not including any header name... |
| 348 | std::string::const_iterator start = cookie_line.begin(); |
| 349 | std::string::const_iterator it = start; |
| 350 | |
| 351 | // TODO(erikwright): Make sure we're stripping \r\n in the network code. |
| 352 | // Then we can log any unexpected terminators. |
| 353 | std::string::const_iterator end = FindFirstTerminator(cookie_line); |
| 354 | |
| 355 | for (int pair_num = 0; pair_num < kMaxPairs && it != end; ++pair_num) { |
| 356 | TokenValuePair pair; |
| 357 | |
| 358 | std::string::const_iterator token_start, token_end; |
| 359 | if (!ParseToken(&it, end, &token_start, &token_end)) |
| 360 | break; |
| 361 | |
| 362 | if (it == end || *it != '=') { |
| 363 | // We have a token-value, we didn't have any token name. |
| 364 | if (pair_num == 0) { |
| 365 | // For the first time around, we want to treat single values |
| 366 | // as a value with an empty name. (Mozilla bug 169091). |
| 367 | // IE seems to also have this behavior, ex "AAA", and "AAA=10" will |
| 368 | // set 2 different cookies, and setting "BBB" will then replace "AAA". |
| 369 | pair.first = ""; |
| 370 | // Rewind to the beginning of what we thought was the token name, |
| 371 | // and let it get parsed as a value. |
| 372 | it = token_start; |
| 373 | } else { |
| 374 | // Any not-first attribute we want to treat a value as a |
| 375 | // name with an empty value... This is so something like |
| 376 | // "secure;" will get parsed as a Token name, and not a value. |
| 377 | pair.first = std::string(token_start, token_end); |
| 378 | } |
| 379 | } else { |
| 380 | // We have a TOKEN=VALUE. |
| 381 | pair.first = std::string(token_start, token_end); |
| 382 | ++it; // Skip past the '='. |
| 383 | } |
| 384 | |
| 385 | // OK, now try to parse a value. |
| 386 | std::string::const_iterator value_start, value_end; |
| 387 | ParseValue(&it, end, &value_start, &value_end); |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 388 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 389 | // OK, we're finished with a Token/Value. |
| 390 | pair.second = std::string(value_start, value_end); |
| 391 | |
| 392 | // From RFC2109: "Attributes (names) (attr) are case-insensitive." |
| 393 | if (pair_num != 0) |
Torne (Richard Coles) | 6e8cce6 | 2014-08-19 13:00:08 +0100 | [diff] [blame] | 394 | base::StringToLowerASCII(&pair.first); |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 395 | // Ignore Set-Cookie directives contaning control characters. See |
| 396 | // http://crbug.com/238041. |
| 397 | if (!IsValidCookieAttributeValue(pair.first) || |
| 398 | !IsValidCookieAttributeValue(pair.second)) { |
| 399 | pairs_.clear(); |
| 400 | break; |
| 401 | } |
| 402 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 403 | pairs_.push_back(pair); |
| 404 | |
| 405 | // We've processed a token/value pair, we're either at the end of |
| 406 | // the string or a ValueSeparator like ';', which we want to skip. |
| 407 | if (it != end) |
| 408 | ++it; |
| 409 | } |
| 410 | } |
| 411 | |
| 412 | void ParsedCookie::SetupAttributes() { |
Torne (Richard Coles) | 5f1c943 | 2014-08-12 13:47:38 +0100 | [diff] [blame] | 413 | // Ignore Set-Cookie directive where name and value are both empty. |
| 414 | if (pairs_[0].first.empty() && pairs_[0].second.empty()) { |
| 415 | pairs_.clear(); |
| 416 | return; |
| 417 | } |
| 418 | |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 419 | // We skip over the first token/value, the user supplied one. |
| 420 | for (size_t i = 1; i < pairs_.size(); ++i) { |
| 421 | if (pairs_[i].first == kPathTokenName) { |
| 422 | path_index_ = i; |
| 423 | } else if (pairs_[i].first == kDomainTokenName) { |
| 424 | domain_index_ = i; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 425 | } else if (pairs_[i].first == kExpiresTokenName) { |
| 426 | expires_index_ = i; |
| 427 | } else if (pairs_[i].first == kMaxAgeTokenName) { |
| 428 | maxage_index_ = i; |
| 429 | } else if (pairs_[i].first == kSecureTokenName) { |
| 430 | secure_index_ = i; |
| 431 | } else if (pairs_[i].first == kHttpOnlyTokenName) { |
| 432 | httponly_index_ = i; |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 433 | } else if (pairs_[i].first == kPriorityTokenName) { |
| 434 | priority_index_ = i; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 435 | } else { |
| 436 | /* some attribute we don't know or don't care about. */ |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | bool ParsedCookie::SetString(size_t* index, |
| 442 | const std::string& key, |
| 443 | const std::string& value) { |
| 444 | if (value.empty()) { |
| 445 | ClearAttributePair(*index); |
| 446 | return true; |
| 447 | } else { |
| 448 | return SetAttributePair(index, key, value); |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | bool ParsedCookie::SetBool(size_t* index, |
| 453 | const std::string& key, |
| 454 | bool value) { |
| 455 | if (!value) { |
| 456 | ClearAttributePair(*index); |
| 457 | return true; |
| 458 | } else { |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 459 | return SetAttributePair(index, key, std::string()); |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 460 | } |
| 461 | } |
| 462 | |
| 463 | bool ParsedCookie::SetAttributePair(size_t* index, |
| 464 | const std::string& key, |
| 465 | const std::string& value) { |
Torne (Richard Coles) | 68043e1 | 2013-09-26 13:24:57 +0100 | [diff] [blame] | 466 | if (!(IsValidToken(key) && IsValidCookieAttributeValue(value))) |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 467 | return false; |
| 468 | if (!IsValid()) |
| 469 | return false; |
| 470 | if (*index) { |
| 471 | pairs_[*index].second = value; |
| 472 | } else { |
| 473 | pairs_.push_back(std::make_pair(key, value)); |
| 474 | *index = pairs_.size() - 1; |
| 475 | } |
| 476 | return true; |
| 477 | } |
| 478 | |
| 479 | void ParsedCookie::ClearAttributePair(size_t index) { |
| 480 | // The first pair (name/value of cookie at pairs_[0]) cannot be cleared. |
| 481 | // Cookie attributes that don't have a value at the moment, are represented |
| 482 | // with an index being equal to 0. |
| 483 | if (index == 0) |
| 484 | return; |
| 485 | |
Torne (Richard Coles) | 2a99a7e | 2013-03-28 15:31:22 +0000 | [diff] [blame] | 486 | size_t* indexes[] = { &path_index_, &domain_index_, &expires_index_, |
Torne (Richard Coles) | c2e0dbd | 2013-05-09 18:35:53 +0100 | [diff] [blame] | 487 | &maxage_index_, &secure_index_, &httponly_index_, |
| 488 | &priority_index_ }; |
Torne (Richard Coles) | 5821806 | 2012-11-14 11:43:16 +0000 | [diff] [blame] | 489 | for (size_t i = 0; i < arraysize(indexes); ++i) { |
| 490 | if (*indexes[i] == index) |
| 491 | *indexes[i] = 0; |
| 492 | else if (*indexes[i] > index) |
| 493 | --*indexes[i]; |
| 494 | } |
| 495 | pairs_.erase(pairs_.begin() + index); |
| 496 | } |
| 497 | |
| 498 | } // namespace |