Peter M. Groen / knowledgetree

Commit 041bd4245746832166f0d9959053ac4c7384c067

Authored by nbm 2005-12-14 13:11:39 +0000

Add Net_URL 1.0.14 from PEAR (BSD-licensed).


git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@4439 c91229c3-7414-0410-bfa2-8a42b809f60b

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Showing 1 changed file with 410 additions and 0 deletions

thirdparty/pear/Net/URL.php 0 → 100644

View file @041bd42

	1	+<?php
	2	+// +-----------------------------------------------------------------------+
	3	+// \| Copyright (c) 2002-2004, Richard Heyes \|
	4	+// \| 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	+// \| o Redistributions of source code must retain the above copyright \|
	11	+// \| notice, this list of conditions and the following disclaimer. \|
	12	+// \| o 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	+// \| o The names of the authors may not be used to endorse or promote \|
	16	+// \| products derived from this software without specific prior written \|
	17	+// \| permission. \|
	18	+// \| \|
	19	+// \| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS \|
	20	+// \| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT \|
	21	+// \| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR \|
	22	+// \| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT \|
	23	+// \| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, \|
	24	+// \| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT \|
	25	+// \| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, \|
	26	+// \| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY \|
	27	+// \| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT \|
	28	+// \| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE \|
	29	+// \| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. \|
	30	+// \| \|
	31	+// +-----------------------------------------------------------------------+
	32	+// \| Author: Richard Heyes <richard at php net> \|
	33	+// +-----------------------------------------------------------------------+
	34	+//
	35	+// $Id$
	36	+//
	37	+// Net_URL Class
	38	+
	39	+class Net_URL
	40	+{
	41	+ /**
	42	+ * Full url
	43	+ * @var string
	44	+ */
	45	+ var $url;
	46	+
	47	+ /**
	48	+ * Protocol
	49	+ * @var string
	50	+ */
	51	+ var $protocol;
	52	+
	53	+ /**
	54	+ * Username
	55	+ * @var string
	56	+ */
	57	+ var $username;
	58	+
	59	+ /**
	60	+ * Password
	61	+ * @var string
	62	+ */
	63	+ var $password;
	64	+
	65	+ /**
	66	+ * Host
	67	+ * @var string
	68	+ */
	69	+ var $host;
	70	+
	71	+ /**
	72	+ * Port
	73	+ * @var integer
	74	+ */
	75	+ var $port;
	76	+
	77	+ /**
	78	+ * Path
	79	+ * @var string
	80	+ */
	81	+ var $path;
	82	+
	83	+ /**
	84	+ * Query string
	85	+ * @var array
	86	+ */
	87	+ var $querystring;
	88	+
	89	+ /**
	90	+ * Anchor
	91	+ * @var string
	92	+ */
	93	+ var $anchor;
	94	+
	95	+ /**
	96	+ * Whether to use []
	97	+ * @var bool
	98	+ */
	99	+ var $useBrackets;
	100	+
	101	+ /**
	102	+ * PHP4 Constructor
	103	+ *
	104	+ * @see __construct()
	105	+ */
	106	+ function Net_URL($url = null, $useBrackets = true)
	107	+ {
	108	+ $this->__construct($url, $useBrackets);
	109	+ }
	110	+
	111	+ /**
	112	+ * PHP5 Constructor
	113	+ *
	114	+ * Parses the given url and stores the various parts
	115	+ * Defaults are used in certain cases
	116	+ *
	117	+ * @param string $url Optional URL
	118	+ * @param bool $useBrackets Whether to use square brackets when
	119	+ * multiple querystrings with the same name
	120	+ * exist
	121	+ */
	122	+ function __construct($url = null, $useBrackets = true)
	123	+ {
	124	+ $HTTP_SERVER_VARS = !empty($_SERVER) ? $_SERVER : $GLOBALS['HTTP_SERVER_VARS'];
	125	+
	126	+ $this->useBrackets = $useBrackets;
	127	+ $this->url = $url;
	128	+ $this->user = '';
	129	+ $this->pass = '';
	130	+ $this->host = '';
	131	+ $this->port = 80;
	132	+ $this->path = '';
	133	+ $this->querystring = array();
	134	+ $this->anchor = '';
	135	+
	136	+ // Only use defaults if not an absolute URL given
	137	+ if (!preg_match('/^[a-z0-9]+:\/\//i', $url)) {
	138	+
	139	+ $this->protocol = (@$HTTP_SERVER_VARS['HTTPS'] == 'on' ? 'https' : 'http');
	140	+
	141	+ /**
	142	+ * Figure out host/port
	143	+ */
	144	+ if (!empty($HTTP_SERVER_VARS['HTTP_HOST']) AND preg_match('/^(.*)(:([0-9]+))?$/U', $HTTP_SERVER_VARS['HTTP_HOST'], $matches)) {
	145	+ $host = $matches[1];
	146	+ if (!empty($matches[3])) {
	147	+ $port = $matches[3];
	148	+ } else {
	149	+ $port = $this->getStandardPort($this->protocol);
	150	+ }
	151	+ }
	152	+
	153	+ $this->user = '';
	154	+ $this->pass = '';
	155	+ $this->host = !empty($host) ? $host : (isset($HTTP_SERVER_VARS['SERVER_NAME']) ? $HTTP_SERVER_VARS['SERVER_NAME'] : 'localhost');
	156	+ $this->port = !empty($port) ? $port : (isset($HTTP_SERVER_VARS['SERVER_PORT']) ? $HTTP_SERVER_VARS['SERVER_PORT'] : $this->getStandardPort($this->protocol));
	157	+ $this->path = !empty($HTTP_SERVER_VARS['PHP_SELF']) ? $HTTP_SERVER_VARS['PHP_SELF'] : '/';
	158	+ $this->querystring = isset($HTTP_SERVER_VARS['QUERY_STRING']) ? $this->_parseRawQuerystring($HTTP_SERVER_VARS['QUERY_STRING']) : null;
	159	+ $this->anchor = '';
	160	+ }
	161	+
	162	+ // Parse the url and store the various parts
	163	+ if (!empty($url)) {
	164	+ $urlinfo = parse_url($url);
	165	+
	166	+ // Default querystring
	167	+ $this->querystring = array();
	168	+
	169	+ foreach ($urlinfo as $key => $value) {
	170	+ switch ($key) {
	171	+ case 'scheme':
	172	+ $this->protocol = $value;
	173	+ $this->port = $this->getStandardPort($value);
	174	+ break;
	175	+
	176	+ case 'user':
	177	+ case 'pass':
	178	+ case 'host':
	179	+ case 'port':
	180	+ $this->$key = $value;
	181	+ break;
	182	+
	183	+ case 'path':
	184	+ if ($value{0} == '/') {
	185	+ $this->path = $value;
	186	+ } else {
	187	+ $path = dirname($this->path) == DIRECTORY_SEPARATOR ? '' : dirname($this->path);
	188	+ $this->path = sprintf('%s/%s', $path, $value);
	189	+ }
	190	+ break;
	191	+
	192	+ case 'query':
	193	+ $this->querystring = $this->_parseRawQueryString($value);
	194	+ break;
	195	+
	196	+ case 'fragment':
	197	+ $this->anchor = $value;
	198	+ break;
	199	+ }
	200	+ }
	201	+ }
	202	+ }
	203	+
	204	+ /**
	205	+ * Returns full url
	206	+ *
	207	+ * @return string Full url
	208	+ * @access public
	209	+ */
	210	+ function getURL()
	211	+ {
	212	+ $querystring = $this->getQueryString();
	213	+
	214	+ $this->url = $this->protocol . '://'
	215	+ . $this->user . (!empty($this->pass) ? ':' : '')
	216	+ . $this->pass . (!empty($this->user) ? '@' : '')
	217	+ . $this->host . ($this->port == $this->getStandardPort($this->protocol) ? '' : ':' . $this->port)
	218	+ . $this->path
	219	+ . (!empty($querystring) ? '?' . $querystring : '')
	220	+ . (!empty($this->anchor) ? '#' . $this->anchor : '');
	221	+
	222	+ return $this->url;
	223	+ }
	224	+
	225	+ /**
	226	+ * Adds a querystring item
	227	+ *
	228	+ * @param string $name Name of item
	229	+ * @param string $value Value of item
	230	+ * @param bool $preencoded Whether value is urlencoded or not, default = not
	231	+ * @access public
	232	+ */
	233	+ function addQueryString($name, $value, $preencoded = false)
	234	+ {
	235	+ if ($preencoded) {
	236	+ $this->querystring[$name] = $value;
	237	+ } else {
	238	+ $this->querystring[$name] = is_array($value) ? array_map('rawurlencode', $value): rawurlencode($value);
	239	+ }
	240	+ }
	241	+
	242	+ /**
	243	+ * Removes a querystring item
	244	+ *
	245	+ * @param string $name Name of item
	246	+ * @access public
	247	+ */
	248	+ function removeQueryString($name)
	249	+ {
	250	+ if (isset($this->querystring[$name])) {
	251	+ unset($this->querystring[$name]);
	252	+ }
	253	+ }
	254	+
	255	+ /**
	256	+ * Sets the querystring to literally what you supply
	257	+ *
	258	+ * @param string $querystring The querystring data. Should be of the format foo=bar&x=y etc
	259	+ * @access public
	260	+ */
	261	+ function addRawQueryString($querystring)
	262	+ {
	263	+ $this->querystring = $this->_parseRawQueryString($querystring);
	264	+ }
	265	+
	266	+ /**
	267	+ * Returns flat querystring
	268	+ *
	269	+ * @return string Querystring
	270	+ * @access public
	271	+ */
	272	+ function getQueryString()
	273	+ {
	274	+ if (!empty($this->querystring)) {
	275	+ foreach ($this->querystring as $name => $value) {
	276	+ if (is_array($value)) {
	277	+ foreach ($value as $k => $v) {
	278	+ $querystring[] = $this->useBrackets ? sprintf('%s[%s]=%s', $name, $k, $v) : ($name . '=' . $v);
	279	+ }
	280	+ } elseif (!is_null($value)) {
	281	+ $querystring[] = $name . '=' . $value;
	282	+ } else {
	283	+ $querystring[] = $name;
	284	+ }
	285	+ }
	286	+ $querystring = implode(ini_get('arg_separator.output'), $querystring);
	287	+ } else {
	288	+ $querystring = '';
	289	+ }
	290	+
	291	+ return $querystring;
	292	+ }
	293	+
	294	+ /**
	295	+ * Parses raw querystring and returns an array of it
	296	+ *
	297	+ * @param string $querystring The querystring to parse
	298	+ * @return array An array of the querystring data
	299	+ * @access private
	300	+ */
	301	+ function _parseRawQuerystring($querystring)
	302	+ {
	303	+ $parts = preg_split('/[' . preg_quote(ini_get('arg_separator.input'), '/') . ']/', $querystring, -1, PREG_SPLIT_NO_EMPTY);
	304	+ $return = array();
	305	+
	306	+ foreach ($parts as $part) {
	307	+ if (strpos($part, '=') !== false) {
	308	+ $value = substr($part, strpos($part, '=') + 1);
	309	+ $key = substr($part, 0, strpos($part, '='));
	310	+ } else {
	311	+ $value = null;
	312	+ $key = $part;
	313	+ }
	314	+ if (substr($key, -2) == '[]') {
	315	+ $key = substr($key, 0, -2);
	316	+ if (@!is_array($return[$key])) {
	317	+ $return[$key] = array();
	318	+ $return[$key][] = $value;
	319	+ } else {
	320	+ $return[$key][] = $value;
	321	+ }
	322	+ } elseif (!$this->useBrackets AND !empty($return[$key])) {
	323	+ $return[$key] = (array)$return[$key];
	324	+ $return[$key][] = $value;
	325	+ } else {
	326	+ $return[$key] = $value;
	327	+ }
	328	+ }
	329	+
	330	+ return $return;
	331	+ }
	332	+
	333	+ /**
	334	+ * Resolves //, ../ and ./ from a path and returns
	335	+ * the result. Eg:
	336	+ *
	337	+ * /foo/bar/../boo.php => /foo/boo.php
	338	+ * /foo/bar/../../boo.php => /boo.php
	339	+ * /foo/bar/.././/boo.php => /foo/boo.php
	340	+ *
	341	+ * This method can also be called statically.
	342	+ *
	343	+ * @param string $url URL path to resolve
	344	+ * @return string The result
	345	+ */
	346	+ function resolvePath($path)
	347	+ {
	348	+ $path = explode('/', str_replace('//', '/', $path));
	349	+
	350	+ for ($i=0; $i<count($path); $i++) {
	351	+ if ($path[$i] == '.') {
	352	+ unset($path[$i]);
	353	+ $path = array_values($path);
	354	+ $i--;
	355	+
	356	+ } elseif ($path[$i] == '..' AND ($i > 1 OR ($i == 1 AND $path[0] != '') ) ) {
	357	+ unset($path[$i]);
	358	+ unset($path[$i-1]);
	359	+ $path = array_values($path);
	360	+ $i -= 2;
	361	+
	362	+ } elseif ($path[$i] == '..' AND $i == 1 AND $path[0] == '') {
	363	+ unset($path[$i]);
	364	+ $path = array_values($path);
	365	+ $i--;
	366	+
	367	+ } else {
	368	+ continue;
	369	+ }
	370	+ }
	371	+
	372	+ return implode('/', $path);
	373	+ }
	374	+
	375	+ /**
	376	+ * Returns the standard port number for a protocol
	377	+ *
	378	+ * @param string $scheme The protocol to lookup
	379	+ * @return integer Port number or NULL if no scheme matches
	380	+ *
	381	+ * @author Philippe Jausions <Philippe.Jausions@11abacus.com>
	382	+ */
	383	+ function getStandardPort($scheme)
	384	+ {
	385	+ switch (strtolower($scheme)) {
	386	+ case 'http': return 80;
	387	+ case 'https': return 443;
	388	+ case 'ftp': return 21;
	389	+ case 'imap': return 143;
	390	+ case 'imaps': return 993;
	391	+ case 'pop3': return 110;
	392	+ case 'pop3s': return 995;
	393	+ default: return null;
	394	+ }
	395	+ }
	396	+
	397	+ /**
	398	+ * Forces the URL to a particular protocol
	399	+ *
	400	+ * @param string $protocol Protocol to force the URL to
	401	+ * @param integer $port Optional port (standard port is used by default)
	402	+ */
	403	+ function setProtocol($protocol, $port = null)
	404	+ {
	405	+ $this->protocol = $protocol;
	406	+ $this->port = is_null($port) ? $this->getStandardPort() : $port;
	407	+ }
	408	+
	409	+}
	410	+?>
...	...