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authortcit <tcit@tcit.fr>2014-06-07 16:36:57 +0200
committertcit <tcit@tcit.fr>2014-06-07 16:36:57 +0200
commit35d4e27588d3e7a6ace1f6b101d909f1eceafac9 (patch)
treef070a9789d6c125a0c1141e385b59cf0a42247e6 /inc/3rdparty/libraries/humble-http-agent/CookieJar.php
parentec15d0a784a84e07b284c76e71fd8496e00559d5 (diff)
parentc93a5c137fcabcf771e7bd2d16d3b8d819de16da (diff)
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diff --git a/inc/3rdparty/libraries/humble-http-agent/CookieJar.php b/inc/3rdparty/libraries/humble-http-agent/CookieJar.php
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@@ -1,404 +1,403 @@
1<?php 1<?php
2/** 2/**
3 * Cookie Jar 3 * Cookie Jar
4 * 4 *
5 * PHP class for handling cookies, as defined by the Netscape spec: 5 * PHP class for handling cookies, as defined by the Netscape spec:
6 * <http://curl.haxx.se/rfc/cookie_spec.html> 6 * <http://curl.haxx.se/rfc/cookie_spec.html>
7 * 7 *
8 * This class should be used to handle cookies (storing cookies from HTTP response messages, and 8 * This class should be used to handle cookies (storing cookies from HTTP response messages, and
9 * sending out cookies in HTTP request messages). This has been adapted for FiveFilters.org 9 * sending out cookies in HTTP request messages). This has been adapted for FiveFilters.org
10 * from the original version used in HTTP Navigator. See http://www.keyvan.net/code/http-navigator/ 10 * from the original version used in HTTP Navigator. See http://www.keyvan.net/code/http-navigator/
11 * 11 *
12 * This class is mainly based on Cookies.pm <http://search.cpan.org/author/GAAS/libwww-perl-5.65/ 12 * This class is mainly based on Cookies.pm <http://search.cpan.org/author/GAAS/libwww-perl-5.65/
13 * lib/HTTP/Cookies.pm> from the libwww-perl collection <http://www.linpro.no/lwp/>. 13 * lib/HTTP/Cookies.pm> from the libwww-perl collection <http://www.linpro.no/lwp/>.
14 * Unlike Cookies.pm, this class only supports the Netscape cookie spec, not RFC 2965. 14 * Unlike Cookies.pm, this class only supports the Netscape cookie spec, not RFC 2965.
15 * 15 *
16 * @version 0.5 16 * @version 0.5
17 * @date 2011-03-15 17 * @date 2011-03-15
18 * @see http://php.net/HttpRequestPool 18 * @see http://php.net/HttpRequestPool
19 * @author Keyvan Minoukadeh 19 * @author Keyvan Minoukadeh
20 * @copyright 2011 Keyvan Minoukadeh 20 * @copyright 2011 Keyvan Minoukadeh
21 * @license http://www.gnu.org/licenses/agpl-3.0.html AGPL v3 21 * @license http://www.gnu.org/licenses/agpl-3.0.html AGPL v3
22 */ 22 */
23 23
24class CookieJar 24class CookieJar
25{ 25{
26 /** 26 /**
27 * Cookies - array containing all cookies. 27 * Cookies - array containing all cookies.
28 * 28 *
29 * <pre> 29 * <pre>
30 * Cookies are stored like this: 30 * Cookies are stored like this:
31 * [domain][path][name] = array 31 * [domain][path][name] = array
32 * where array is: 32 * where array is:
33 * 0 => value, 1 => secure, 2 => expires 33 * 0 => value, 1 => secure, 2 => expires
34 * </pre> 34 * </pre>
35 * @var array 35 * @var array
36 * @access private 36 * @access private
37 */ 37 */
38 public $cookies = array(); 38 public $cookies = array();
39 public $debug = false; 39 public $debug = false;
40 40
41 /** 41 /**
42 * Constructor 42 * Constructor
43 */ 43 */
44 function __construct() { 44 function __construct() {
45 } 45 }
46 46
47 protected function debug($msg, $file=null, $line=null) { 47 protected function debug($msg, $file=null, $line=null) {
48 if ($this->debug) { 48 if ($this->debug) {
49 $mem = round(memory_get_usage()/1024, 2); 49 $mem = round(memory_get_usage()/1024, 2);
50 $memPeak = round(memory_get_peak_usage()/1024, 2); 50 $memPeak = round(memory_get_peak_usage()/1024, 2);
51 echo '* ',$msg; 51 echo '* ',$msg;
52 if (isset($file, $line)) echo " ($file line $line)"; 52 if (isset($file, $line)) echo " ($file line $line)";
53 echo ' - mem used: ',$mem," (peak: $memPeak)\n"; 53 echo ' - mem used: ',$mem," (peak: $memPeak)\n";
54 ob_flush(); 54 ob_flush();
55 flush(); 55 flush();
56 } 56 }
57 } 57 }
58 58
59 /** 59 /**
60 * Get matching cookies 60 * Get matching cookies
61 * 61 *
62 * Only use this method if you cannot use add_cookie_header(), for example, if you want to use 62 * Only use this method if you cannot use add_cookie_header(), for example, if you want to use
63 * this cookie jar class without using the request class. 63 * this cookie jar class without using the request class.
64 * 64 *
65 * @param array $param associative array containing 'domain', 'path', 'secure' keys 65 * @param array $param associative array containing 'domain', 'path', 'secure' keys
66 * @return string 66 * @return string
67 * @see add_cookie_header() 67 * @see add_cookie_header()
68 */ 68 */
69 public function getMatchingCookies($url) 69 public function getMatchingCookies($url)
70 { 70 {
71 if (($parts = @parse_url($url)) && isset($parts['scheme'], $parts['host'], $parts['path'])) { 71 if (($parts = @parse_url($url)) && isset($parts['scheme'], $parts['host'], $parts['path'])) {
72 $param['domain'] = $parts['host']; 72 $param['domain'] = $parts['host'];
73 $param['path'] = $parts['path']; 73 $param['path'] = $parts['path'];
74 $param['secure'] = (strtolower($parts['scheme']) == 'https'); 74 $param['secure'] = (strtolower($parts['scheme']) == 'https');
75 unset($parts); 75 unset($parts);
76 } else { 76 } else {
77 return false; 77 return false;
78 } 78 }
79 // RFC 2965 notes: 79 // RFC 2965 notes:
80 // If multiple cookies satisfy the criteria above, they are ordered in 80 // If multiple cookies satisfy the criteria above, they are ordered in
81 // the Cookie header such that those with more specific Path attributes 81 // the Cookie header such that those with more specific Path attributes
82 // precede those with less specific. Ordering with respect to other 82 // precede those with less specific. Ordering with respect to other
83 // attributes (e.g., Domain) is unspecified. 83 // attributes (e.g., Domain) is unspecified.
84 $domain = $param['domain']; 84 $domain = $param['domain'];
85 if (strpos($domain, '.') === false) $domain .= '.local'; 85 if (strpos($domain, '.') === false) $domain .= '.local';
86 $request_path = $param['path']; 86 $request_path = $param['path'];
87 if ($request_path == '') $request_path = '/'; 87 if ($request_path == '') $request_path = '/';
88 $request_secure = $param['secure']; 88 $request_secure = $param['secure'];
89 $now = time(); 89 $now = time();
90 $matched_cookies = array(); 90 $matched_cookies = array();
91 // domain - find matching domains 91 // domain - find matching domains
92 $this->debug('Finding matching domains for '.$domain, __FILE__, __LINE__); 92 $this->debug('Finding matching domains for '.$domain, __FILE__, __LINE__);
93 while (strpos($domain, '.') !== false) { 93 while (strpos($domain, '.') !== false) {
94 if (isset($this->cookies[$domain])) { 94 if (isset($this->cookies[$domain])) {
95 $this->debug(' domain match found: '.$domain); 95 $this->debug(' domain match found: '.$domain);
96 $cookies =& $this->cookies[$domain]; 96 $cookies =& $this->cookies[$domain];
97 } else { 97 } else {
98 $domain = $this->_reduce_domain($domain); 98 $domain = $this->_reduce_domain($domain);
99 continue; 99 continue;
100 } 100 }
101 // paths - find matching paths starting from most specific 101 // paths - find matching paths starting from most specific
102 $this->debug(' - Finding matching paths for '.$request_path); 102 $this->debug(' - Finding matching paths for '.$request_path);
103 $paths = array_keys($cookies); 103 $paths = array_keys($cookies);
104 usort($paths, array($this, '_cmp_length')); 104 usort($paths, array($this, '_cmp_length'));
105 foreach ($paths as $path) { 105 foreach ($paths as $path) {
106 // continue to next cookie if request path does not path-match cookie path 106 // continue to next cookie if request path does not path-match cookie path
107 if (!$this->_path_match($request_path, $path)) continue; 107 if (!$this->_path_match($request_path, $path)) continue;
108 // loop through cookie names 108 // loop through cookie names
109 $this->debug(' path match found: '.$path); 109 $this->debug(' path match found: '.$path);
110 foreach ($cookies[$path] as $name => $values) { 110 foreach ($cookies[$path] as $name => $values) {
111 // if this cookie is secure but request isn't, continue to next cookie 111 // if this cookie is secure but request isn't, continue to next cookie
112 if ($values[1] && !$request_secure) continue; 112 if ($values[1] && !$request_secure) continue;
113 // if cookie is not a session cookie and has expired, continue to next cookie 113 // if cookie is not a session cookie and has expired, continue to next cookie
114 if (is_int($values[2]) && ($values[2] < $now)) continue; 114 if (is_int($values[2]) && ($values[2] < $now)) continue;
115 // cookie matches request 115 // cookie matches request
116 $this->debug(' cookie match: '.$name.'='.$values[0]); 116 $this->debug(' cookie match: '.$name.'='.$values[0]);
117 $matched_cookies[] = $name.'='.$values[0]; 117 $matched_cookies[] = $name.'='.$values[0];
118 } 118 }
119 } 119 }
120 $domain = $this->_reduce_domain($domain); 120 $domain = $this->_reduce_domain($domain);
121 } 121 }
122 // return cookies 122 // return cookies
123 return implode('; ', $matched_cookies); 123 return implode('; ', $matched_cookies);
124 } 124 }
125 125
126 /** 126 /**
127 * Parse Set-Cookie values. 127 * Parse Set-Cookie values.
128 * 128 *
129 * Only use this method if you cannot use extract_cookies(), for example, if you want to use 129 * Only use this method if you cannot use extract_cookies(), for example, if you want to use
130 * this cookie jar class without using the response class. 130 * this cookie jar class without using the response class.
131 * 131 *
132 * @param array $set_cookies array holding 1 or more "Set-Cookie" header values 132 * @param array $set_cookies array holding 1 or more "Set-Cookie" header values
133 * @param array $param associative array containing 'host', 'path' keys 133 * @param array $param associative array containing 'host', 'path' keys
134 * @return void 134 * @return void
135 * @see extract_cookies() 135 * @see extract_cookies()
136 */ 136 */
137 public function storeCookies($url, $set_cookies) 137 public function storeCookies($url, $set_cookies)
138 { 138 {
139 if (count($set_cookies) == 0) return; 139 if (count($set_cookies) == 0) return;
140 $param = @parse_url($url); 140 $param = @parse_url($url);
141 if (!is_array($param) || !isset($param['host'])) return; 141 if (!is_array($param) || !isset($param['host'])) return;
142 $request_host = $param['host']; 142 $request_host = $param['host'];
143 if (strpos($request_host, '.') === false) $request_host .= '.local'; 143 if (strpos($request_host, '.') === false) $request_host .= '.local';
144 $request_path = @$param['path']; 144 $request_path = @$param['path'];
145 if ($request_path == '') $request_path = '/'; 145 if ($request_path == '') $request_path = '/';
146 // 146 //
147 // loop through set-cookie headers 147 // loop through set-cookie headers
148 // 148 //
149 foreach ($set_cookies as $set_cookie) { 149 foreach ($set_cookies as $set_cookie) {
150 $this->debug('Parsing: '.$set_cookie); 150 $this->debug('Parsing: '.$set_cookie);
151 // temporary cookie store (before adding to jar) 151 // temporary cookie store (before adding to jar)
152 $tmp_cookie = array(); 152 $tmp_cookie = array();
153 $param = explode(';', $set_cookie); 153 $param = explode(';', $set_cookie);
154 // loop through params 154 // loop through params
155 for ($x=0; $x<count($param); $x++) { 155 for ($x=0; $x<count($param); $x++) {
156 $key_val = explode('=', $param[$x], 2); 156 $key_val = explode('=', $param[$x], 2);
157 if (count($key_val) != 2) { 157 if (count($key_val) != 2) {
158 // if the first param isn't a name=value pair, continue to the next set-cookie 158 // if the first param isn't a name=value pair, continue to the next set-cookie
159 // header 159 // header
160 if ($x == 0) continue 2; 160 if ($x == 0) continue 2;
161 // check for secure flag 161 // check for secure flag
162 if (strtolower(trim($key_val[0])) == 'secure') $tmp_cookie['secure'] = true; 162 if (strtolower(trim($key_val[0])) == 'secure') $tmp_cookie['secure'] = true;
163 // continue to next param 163 // continue to next param
164 continue; 164 continue;
165 } 165 }
166 list($key, $val) = array_map('trim', $key_val); 166 list($key, $val) = array_map('trim', $key_val);
167 // first name=value pair is the cookie name and value 167 // first name=value pair is the cookie name and value
168 // the name and value are stored under 'name' and 'value' to avoid conflicts 168 // the name and value are stored under 'name' and 'value' to avoid conflicts
169 // with later parameters. 169 // with later parameters.
170 if ($x == 0) { 170 if ($x == 0) {
171 $tmp_cookie = array('name'=>$key, 'value'=>$val); 171 $tmp_cookie = array('name'=>$key, 'value'=>$val);
172 continue; 172 continue;
173 } 173 }
174 $key = strtolower($key); 174 $key = strtolower($key);
175 if (in_array($key, array('expires', 'path', 'domain', 'secure'))) { 175 if (in_array($key, array('expires', 'path', 'domain', 'secure'))) {
176 $tmp_cookie[$key] = $val; 176 $tmp_cookie[$key] = $val;
177 } 177 }
178 } 178 }
179 // 179 //
180 // set cookie 180 // set cookie
181 // 181 //
182 // check domain 182 // check domain
183 if (isset($tmp_cookie['domain']) && ($tmp_cookie['domain'] != $request_host) && 183 if (isset($tmp_cookie['domain']) && ($tmp_cookie['domain'] != $request_host) &&
184 ($tmp_cookie['domain'] != ".$request_host")) { 184 ($tmp_cookie['domain'] != ".$request_host")) {
185 $domain = $tmp_cookie['domain']; 185 $domain = $tmp_cookie['domain'];
186 if ((strpos($domain, '.') === false) && ($domain != 'local')) { 186 if ((strpos($domain, '.') === false) && ($domain != 'local')) {
187 $this->debug(' - domain "'.$domain.'" has no dot and is not a local domain'); 187 $this->debug(' - domain "'.$domain.'" has no dot and is not a local domain');
188 continue; 188 continue;
189 } 189 }
190 if (preg_match('/\.[0-9]+$/', $domain)) { 190 if (preg_match('/\.[0-9]+$/', $domain)) {
191 $this->debug(' - domain "'.$domain.'" appears to be an ip address'); 191 $this->debug(' - domain "'.$domain.'" appears to be an ip address');
192 continue; 192 continue;
193 } 193 }
194 if (substr($domain, 0, 1) != '.') $domain = ".$domain"; 194 if (substr($domain, 0, 1) != '.') $domain = ".$domain";
195 if (!$this->_domain_match($request_host, $domain)) { 195 if (!$this->_domain_match($request_host, $domain)) {
196 $this->debug(' - request host "'.$request_host.'" does not domain-match "'.$domain.'"'); 196 $this->debug(' - request host "'.$request_host.'" does not domain-match "'.$domain.'"');
197 continue; 197 continue;
198 } 198 }
199 } else { 199 } else {
200 // if domain is not specified in the set-cookie header, domain will default to 200 // if domain is not specified in the set-cookie header, domain will default to
201 // the request host 201 // the request host
202 $domain = $request_host; 202 $domain = $request_host;
203 } 203 }
204 // check path 204 // check path
205 if (isset($tmp_cookie['path']) && ($tmp_cookie['path'] != '')) { 205 if (isset($tmp_cookie['path']) && ($tmp_cookie['path'] != '')) {
206 $path = urldecode($tmp_cookie['path']); 206 $path = urldecode($tmp_cookie['path']);
207 if (!$this->_path_match($request_path, $path)) { 207 if (!$this->_path_match($request_path, $path)) {
208 $this->debug(' - request path "'.$request_path.'" does not path-match "'.$path.'"'); 208 $this->debug(' - request path "'.$request_path.'" does not path-match "'.$path.'"');
209 continue; 209 continue;
210 } 210 }
211 } else { 211 } else {
212 $path = $request_path; 212 $path = $request_path;
213 $path = substr($path, 0, strrpos($path, '/')); 213 $path = substr($path, 0, strrpos($path, '/'));
214 if ($path == '') $path = '/'; 214 if ($path == '') $path = '/';
215 } 215 }
216 // check if secure 216 // check if secure
217 $secure = (isset($tmp_cookie['secure'])) ? true : false; 217 $secure = (isset($tmp_cookie['secure'])) ? true : false;
218 // check expiry 218 // check expiry
219 if (isset($tmp_cookie['expires'])) { 219 if (isset($tmp_cookie['expires'])) {
220 if (($expires = strtotime($tmp_cookie['expires'])) < 0) { 220 if (($expires = strtotime($tmp_cookie['expires'])) < 0) {
221 $expires = null; 221 $expires = null;
222 } 222 }
223 } else { 223 } else {
224 $expires = null; 224 $expires = null;
225 } 225 }
226 // set cookie 226 // set cookie
227 $this->set_cookie($domain, $path, $tmp_cookie['name'], $tmp_cookie['value'], $secure, $expires); 227 $this->set_cookie($domain, $path, $tmp_cookie['name'], $tmp_cookie['value'], $secure, $expires);
228 } 228 }
229 } 229 }
230 230
231 // return array of set-cookie values extracted from HTTP response headers (string $h) 231 // return array of set-cookie values extracted from HTTP response headers (string $h)
232 public function extractCookies($h) { 232 public function extractCookies($h) {
233 $x = 0; 233 $x = 0;
234 $lines = 0; 234 $lines = 0;
235 $headers = array(); 235 $headers = array();
236 $last_match = false; 236 $last_match = false;
237 $h = explode("\n", $h); 237 $h = explode("\n", $h);
238 foreach ($h as $line) { 238 foreach ($h as $line) {
239 $line = rtrim($line); 239 $line = rtrim($line);
240 $lines++; 240 $lines++;
241 241
242 $trimmed_line = trim($line); 242 $trimmed_line = trim($line);
243 if (isset($line_last)) { 243 if (isset($line_last)) {
244 // check if we have \r\n\r\n (indicating the end of headers) 244 // check if we have \r\n\r\n (indicating the end of headers)
245 // some servers will not use CRLF (\r\n), so we make CR (\r) optional. 245 // some servers will not use CRLF (\r\n), so we make CR (\r) optional.
246 // if (preg_match('/\015?\012\015?\012/', $line_last.$line)) { 246 // if (preg_match('/\015?\012\015?\012/', $line_last.$line)) {
247 // break; 247 // break;
248 // } 248 // }
249 // As an alternative, we can check if the current trimmed line is empty 249 // As an alternative, we can check if the current trimmed line is empty
250 if ($trimmed_line == '') { 250 if ($trimmed_line == '') {
251 break; 251 break;
252 } 252 }
253 253
254 // check for continuation line... 254 // check for continuation line...
255 // RFC 2616 Section 2.2 "Basic Rules": 255 // RFC 2616 Section 2.2 "Basic Rules":
256 // HTTP/1.1 header field values can be folded onto multiple lines if the 256 // HTTP/1.1 header field values can be folded onto multiple lines if the
257 // continuation line begins with a space or horizontal tab. All linear 257 // continuation line begins with a space or horizontal tab. All linear
258 // white space, including folding, has the same semantics as SP. A 258 // white space, including folding, has the same semantics as SP. A
259 // recipient MAY replace any linear white space with a single SP before 259 // recipient MAY replace any linear white space with a single SP before
260 // interpreting the field value or forwarding the message downstream. 260 // interpreting the field value or forwarding the message downstream.
261 if ($last_match && preg_match('/^\s+(.*)/', $line, $match)) { 261 if ($last_match && preg_match('/^\s+(.*)/', $line, $match)) {
262 // append to previous header value 262 // append to previous header value
263 $headers[$x-1] .= ' '.rtrim($match[1]); 263 $headers[$x-1] .= ' '.rtrim($match[1]);
264 continue; 264 continue;
265 } 265 }
266 } 266 }
267 $line_last = $line; 267 $line_last = $line;
268 268
269 // split header name and value 269 // split header name and value
270 if (preg_match('/^Set-Cookie\s*:\s*(.*)/i', $line, $match)) { 270 if (preg_match('/^Set-Cookie\s*:\s*(.*)/i', $line, $match)) {
271 $headers[$x++] = rtrim($match[1]); 271 $headers[$x++] = rtrim($match[1]);
272 $last_match = true; 272 $last_match = true;
273 } else { 273 } else {
274 $last_match = false; 274 $last_match = false;
275 } 275 }
276 } 276 }
277 return $headers; 277 return $headers;
278 } 278 }
279 279
280 /** 280 /**
281 * Set Cookie 281 * Set Cookie
282 * @param string $domain 282 * @param string $domain
283 * @param string $path 283 * @param string $path
284 * @param string $name cookie name 284 * @param string $name cookie name
285 * @param string $value cookie value 285 * @param string $value cookie value
286 * @param bool $secure 286 * @param bool $secure
287 * @param int $expires expiry time (null if session cookie, <= 0 will delete cookie) 287 * @param int $expires expiry time (null if session cookie, <= 0 will delete cookie)
288 * @return void 288 * @return void
289 */ 289 */
290 function set_cookie($domain, $path, $name, $value, $secure=false, $expires=null) 290 function set_cookie($domain, $path, $name, $value, $secure=false, $expires=null)
291 { 291 {
292 if ($domain == '') return; 292 if ($domain == '') return;
293 if ($path == '') return; 293 if ($path == '') return;
294 if ($name == '') return; 294 if ($name == '') return;
295 // check if cookie needs to go 295 // check if cookie needs to go
296 if (isset($expires) && ($expires <= 0)) { 296 if (isset($expires) && ($expires <= 0)) {
297 if (isset($this->cookies[$domain][$path][$name])) unset($this->cookies[$domain][$path][$name]); 297 if (isset($this->cookies[$domain][$path][$name])) unset($this->cookies[$domain][$path][$name]);
298 return; 298 return;
299 } 299 }
300 if ($value == '') return; 300 if ($value == '') return;
301 $this->cookies[$domain][$path][$name] = array($value, $secure, $expires); 301 $this->cookies[$domain][$path][$name] = array($value, $secure, $expires);
302 return; 302 return;
303 } 303 }
304 304
305 /** 305 /**
306 * Clear cookies - [domain [,path [,name]]] - call method with no arguments to clear all cookies. 306 * Clear cookies - [domain [,path [,name]]] - call method with no arguments to clear all cookies.
307 * @param string $domain 307 * @param string $domain
308 * @param string $path 308 * @param string $path
309 * @param string $name 309 * @param string $name
310 * @return void 310 * @return void
311 */ 311 */
312 function clear($domain=null, $path=null, $name=null) 312 function clear($domain=null, $path=null, $name=null)
313 { 313 {
314 if (!isset($domain)) { 314 if (!isset($domain)) {
315 $this->cookies = array(); 315 $this->cookies = array();
316 } elseif (!isset($path)) { 316 } elseif (!isset($path)) {
317 if (isset($this->cookies[$domain])) unset($this->cookies[$domain]); 317 if (isset($this->cookies[$domain])) unset($this->cookies[$domain]);
318 } elseif (!isset($name)) { 318 } elseif (!isset($name)) {
319 if (isset($this->cookies[$domain][$path])) unset($this->cookies[$domain][$path]); 319 if (isset($this->cookies[$domain][$path])) unset($this->cookies[$domain][$path]);
320 } elseif (isset($name)) { 320 } elseif (isset($name)) {
321 if (isset($this->cookies[$domain][$path][$name])) unset($this->cookies[$domain][$path][$name]); 321 if (isset($this->cookies[$domain][$path][$name])) unset($this->cookies[$domain][$path][$name]);
322 } 322 }
323 } 323 }
324 324
325 /** 325 /**
326 * Compare string length - used for sorting 326 * Compare string length - used for sorting
327 * @access private 327 * @access private
328 * @return int 328 * @return int
329 */ 329 */
330 function _cmp_length($a, $b) 330 function _cmp_length($a, $b)
331 { 331 {
332 $la = strlen($a); $lb = strlen($b); 332 $la = strlen($a); $lb = strlen($b);
333 if ($la == $lb) return 0; 333 if ($la == $lb) return 0;
334 return ($la > $lb) ? -1 : 1; 334 return ($la > $lb) ? -1 : 1;
335 } 335 }
336 336
337 /** 337 /**
338 * Reduce domain 338 * Reduce domain
339 * @param string $domain 339 * @param string $domain
340 * @return string 340 * @return string
341 * @access private 341 * @access private
342 */ 342 */
343 function _reduce_domain($domain) 343 function _reduce_domain($domain)
344 { 344 {
345 if ($domain == '') return ''; 345 if ($domain == '') return '';
346 if (substr($domain, 0, 1) == '.') return substr($domain, 1); 346 if (substr($domain, 0, 1) == '.') return substr($domain, 1);
347 return substr($domain, strpos($domain, '.')); 347 return substr($domain, strpos($domain, '.'));
348 } 348 }
349 349
350 /** 350 /**
351 * Path match - check if path1 path-matches path2 351 * Path match - check if path1 path-matches path2
352 * 352 *
353 * From RFC 2965: 353 * From RFC 2965:
354 * <i>For two strings that represent paths, P1 and P2, P1 path-matches P2 354 * <i>For two strings that represent paths, P1 and P2, P1 path-matches P2
355 * if P2 is a prefix of P1 (including the case where P1 and P2 string- 355 * if P2 is a prefix of P1 (including the case where P1 and P2 string-
356 * compare equal). Thus, the string /tec/waldo path-matches /tec.</i> 356 * compare equal). Thus, the string /tec/waldo path-matches /tec.</i>
357 * @param string $path1 357 * @param string $path1
358 * @param string $path2 358 * @param string $path2
359 * @return bool 359 * @return bool
360 * @access private 360 * @access private
361 */ 361 */
362 function _path_match($path1, $path2) 362 function _path_match($path1, $path2)
363 { 363 {
364 return (substr($path1, 0, strlen($path2)) == $path2); 364 return (substr($path1, 0, strlen($path2)) == $path2);
365 } 365 }
366 366
367 /** 367 /**
368 * Domain match - check if domain1 domain-matches domain2 368 * Domain match - check if domain1 domain-matches domain2
369 * 369 *
370 * A few extracts from RFC 2965: 370 * A few extracts from RFC 2965:
371 * - A Set-Cookie2 from request-host y.x.foo.com for Domain=.foo.com 371 * - A Set-Cookie2 from request-host y.x.foo.com for Domain=.foo.com
372 * would be rejected, because H is y.x and contains a dot. 372 * would be rejected, because H is y.x and contains a dot.
373 * 373 *
374 * - A Set-Cookie2 from request-host x.foo.com for Domain=.foo.com 374 * - A Set-Cookie2 from request-host x.foo.com for Domain=.foo.com
375 * would be accepted. 375 * would be accepted.
376 * 376 *
377 * - A Set-Cookie2 with Domain=.com or Domain=.com., will always be 377 * - A Set-Cookie2 with Domain=.com or Domain=.com., will always be
378 * rejected, because there is no embedded dot. 378 * rejected, because there is no embedded dot.
379 * 379 *
380 * - A Set-Cookie2 from request-host example for Domain=.local will 380 * - A Set-Cookie2 from request-host example for Domain=.local will
381 * be accepted, because the effective host name for the request- 381 * be accepted, because the effective host name for the request-
382 * host is example.local, and example.local domain-matches .local. 382 * host is example.local, and example.local domain-matches .local.
383 * 383 *
384 * I'm ignoring the first point for now (must check to see how other browsers handle 384 * I'm ignoring the first point for now (must check to see how other browsers handle
385 * this rule for Set-Cookie headers) 385 * this rule for Set-Cookie headers)
386 * 386 *
387 * @param string $domain1 387 * @param string $domain1
388 * @param string $domain2 388 * @param string $domain2
389 * @return bool 389 * @return bool
390 * @access private 390 * @access private
391 */ 391 */
392 function _domain_match($domain1, $domain2) 392 function _domain_match($domain1, $domain2)
393 { 393 {
394 $domain1 = strtolower($domain1); 394 $domain1 = strtolower($domain1);
395 $domain2 = strtolower($domain2); 395 $domain2 = strtolower($domain2);
396 while (strpos($domain1, '.') !== false) { 396 while (strpos($domain1, '.') !== false) {
397 if ($domain1 == $domain2) return true; 397 if ($domain1 == $domain2) return true;
398 $domain1 = $this->_reduce_domain($domain1); 398 $domain1 = $this->_reduce_domain($domain1);
399 continue; 399 continue;
400 } 400 }
401 return false; 401 return false;
402 } 402 }
403} 403} \ No newline at end of file
404?> \ No newline at end of file