ILIAS  release_4-4 Revision
ilHttpRequest Class Reference

ilHttpRequest class More...

+ Collaboration diagram for ilHttpRequest:

Public Member Functions

 _scan_url ()
 
 ilHttpRequest ($url)
 
 downloadToString ()
 

Data Fields

 $_fp
 
 $_url
 
 $_host
 
 $_protocol
 
 $_uri
 
 $_port
 

Detailed Description

ilHttpRequest class

Class to retrieve an HTTP request

Author
Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m
Version
$Id$

Definition at line 33 of file class.ilHttpRequest.php.

Member Function Documentation

◆ _scan_url()

ilHttpRequest::_scan_url ( )

Definition at line 43 of file class.ilHttpRequest.php.

References $_url.

Referenced by ilHttpRequest().

44  {
45  $req = $this->_url;
46 
47  $pos = strpos($req, '://');
48  $this->_protocol = strtolower(substr($req, 0, $pos));
49 
50  $req = substr($req, $pos+3);
51  $pos = strpos($req, '/');
52  if($pos === false) $pos = strlen($req);
53  $host = substr($req, 0, $pos);
54 
55  if(strpos($host, ':') !== false)
56  {
57  list($this->_host, $this->_port) = explode(':', $host);
58  }
59  else
60  {
61  $this->_host = $host;
62  $this->_port = ($this->_protocol == 'https') ? 443 : 80;
63  }
64 
65  $this->_uri = substr($req, $pos);
66  if($this->_uri == '') $this->_uri = '/';
67  }
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◆ downloadToString()

ilHttpRequest::downloadToString ( )

Definition at line 77 of file class.ilHttpRequest.php.

References ilHttpRequest().

78  {
79  $crlf = "\r\n";
80 
81  // generate request
82  $req = 'GET ' . $this->_uri . ' HTTP/1.0' . $crlf
83  . 'Host: ' . $this->_host . $crlf
84  . $crlf;
85 
86  // fetch
87  $this->_fp = fsockopen(($this->_protocol == 'https' ? 'ssl://' : '') . $this->_host, $this->_port);
88  fwrite($this->_fp, $req);
89  while(is_resource($this->_fp) && $this->_fp && !feof($this->_fp))
90  {
91  $response .= fread($this->_fp, 1024);
92  }
93  fclose($this->_fp);
94 
95  // split header and body
96  $pos = strpos($response, $crlf . $crlf);
97  if($pos === false) return($response);
98  $header = substr($response, 0, $pos);
99  $body = substr($response, $pos + 2 * strlen($crlf));
100 
101  // parse headers
102  $headers = array();
103  $lines = explode($crlf, $header);
104  foreach($lines as $line)
105  {
106  if(($pos = strpos($line, ':')) !== false)
107  {
108  $headers[strtolower(trim(substr($line, 0, $pos)))] = trim(substr($line, $pos+1));
109  }
110  }
111 
112  // redirection?
113  if(isset($headers['location']))
114  {
115  $http = new ilHttpRequest($headers['location']);
116  return($http->DownloadToString($http));
117  }
118  else
119  {
120  return($body);
121  }
122  }
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◆ ilHttpRequest()

ilHttpRequest::ilHttpRequest (   $url)

Definition at line 70 of file class.ilHttpRequest.php.

References _scan_url().

Referenced by downloadToString().

71  {
72  $this->_url = $url;
73  $this->_scan_url();
74  }
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Field Documentation

◆ $_fp

ilHttpRequest::$_fp

Definition at line 35 of file class.ilHttpRequest.php.

◆ $_host

ilHttpRequest::$_host

Definition at line 37 of file class.ilHttpRequest.php.

◆ $_port

ilHttpRequest::$_port

Definition at line 40 of file class.ilHttpRequest.php.

◆ $_protocol

ilHttpRequest::$_protocol

Definition at line 38 of file class.ilHttpRequest.php.

◆ $_uri

ilHttpRequest::$_uri

Definition at line 39 of file class.ilHttpRequest.php.

◆ $_url

ilHttpRequest::$_url

Definition at line 36 of file class.ilHttpRequest.php.

Referenced by _scan_url().


The documentation for this class was generated from the following file: