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comparison Http.inc @ 94:2370f4450983

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Document functions and move a few functions to more appropriate places.
author Tom Fredrik Blenning Klaussen <bfg@blenning.no>
date Thu, 18 Oct 2012 17:33:34 +0200
parents 8aadd7a23b68
children 111770d32c2e
comparison
equal deleted inserted replaced
93:8aadd7a23b68 94:2370f4450983
1 <?php 1 <?php
2 include_once 'ScriptIncludeCache.inc'; 2 include_once 'ScriptIncludeCache.inc';
3 3
4 /// @cond 4 /// @cond
5 $baseDir = dirname(__FILE__); 5 $baseDir = dirname(__FILE__);
6
7 $cache = ScriptIncludeCache::instance(__FILE__); 6 $cache = ScriptIncludeCache::instance(__FILE__);
8 /// @endcond 7 /// @endcond
9 8
9 /**
10 * Thrown if a request has gone bad
11 */
12 class RequestException extends RuntimeException
13 {
14 private $_info;
15
16 /**
17 * Constructs a RequestException
18 *
19 * @param $info an info array as defined in http_get, if a key with
20 * name error exist, this will be the error text for the
21 * RuntimeException
22 */
23 function __construct($info)
24 {
25 $this->_info = $info;
26 if (array_key_exists('error', $info)) {
27 parent::__construct($info['error']);
28 }
29 }
30
31 /**
32 * Get the info object associated with this RequestException
33 *
34 * @return $info an info array as defined in http_get
35 */
36 function info()
37 {
38 return $this->_info;
39 }
40 }
41
42 /**
43 * Http contains a set of functions for retrieving http information
44 */
10 class Http 45 class Http
11 { 46 {
47 /**
48 * Gets the content of a page
49 *
50 * This mimics the file_content with a uri parameter which is often
51 * disabled due to security reasons
52 *
53 * @param $uri The uri to fetch
54 */
55 static function get_uri_contents($uri)
56 {
57 $crl = curl_init();
58 $timeout = 5;
59
60 curl_setopt ($crl, CURLOPT_URL, $uri);
61 curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
62 curl_setopt ($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
63 $ret = curl_exec($crl);
64 curl_close($crl);
65 return $ret;
66 }
67
68 /**
69 * Splits an http header response into an associative array
70 *
71 * @param $response The headers to parse
72 * @return an Associative array, the key '' refers to the HTTP status header
73 */
12 static function headersToArray($response) 74 static function headersToArray($response)
13 { 75 {
14 $headers = array(); 76 $headers = array();
15 $response = trim($response); 77 $response = trim($response);
16 $str = explode("\n", $response); 78 $str = explode("\n", $response);
28 90
29 /** 91 /**
30 * Queries a URL for headers 92 * Queries a URL for headers
31 * 93 *
32 * @param $url the url to query 94 * @param $url the url to query
95 * @param $timeout float number of seconds to wait before timeout
33 * @return an associative array of all headers returned 96 * @return an associative array of all headers returned
34 */ 97 */
35 static function getHeaders($url, $timeout = 1) 98 static function getHeaders($url, $timeout = 1)
36 { 99 {
37 $response = @http_head($url, array("timeout" => $timeout), $info); 100 $response = @http_head($url, array("timeout" => $timeout), $info);
41 } 104 }
42 105
43 return self::headersToArray($response); 106 return self::headersToArray($response);
44 } 107 }
45 108
46 static function postHeaders($url, $params, $timeout = 1) 109 /**
110 * Performs a post to an URI for headers
111 *
112 * @param $uri the uri to query
113 * @param $params an associative array of params to post
114 * @param $timeout float number of seconds to wait before timeout
115 * @return an associative array of all headers returned
116 */
117 static function postHeaders($uri, $params, $timeout = 1)
47 { 118 {
48 $crl = curl_init(); 119 $crl = curl_init();
49 120
50 $descriptorspec = array( 121 $descriptorspec = array(
51 0 => array("pipe", "r"), 122 0 => array("pipe", "r"),
55 126
56 //We use tac, since it buffers, and we don't care about the output 127 //We use tac, since it buffers, and we don't care about the output
57 //being reordered. 128 //being reordered.
58 $process = proc_open('tac | tac', $descriptorspec, $pipes); 129 $process = proc_open('tac | tac', $descriptorspec, $pipes);
59 130
60 curl_setopt ($crl, CURLOPT_URL, $url); 131 curl_setopt ($crl, CURLOPT_URL, $uri);
61 curl_setopt ($crl, CURLOPT_WRITEHEADER, $pipes[0]); 132 curl_setopt ($crl, CURLOPT_WRITEHEADER, $pipes[0]);
62 curl_setopt ($crl, CURLOPT_NOBODY, true); 133 curl_setopt ($crl, CURLOPT_NOBODY, true);
63 curl_setopt ($crl, CURLOPT_POST, true); 134 curl_setopt ($crl, CURLOPT_POST, true);
64 curl_setopt ($crl, CURLOPT_POSTFIELDS, $params); 135 curl_setopt ($crl, CURLOPT_POSTFIELDS, $params);
65 136