forked from extern/egroupware
868 lines
26 KiB
PHP
868 lines
26 KiB
PHP
<?php
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/**************************************************************************\
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* eGroupWare API - HTTP and WebDAV protocol class *
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* http://www.egroupware.org/api *
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* Original Author: Leo West <west_leo@yahoo-REMOVE-.com> *
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* ------------------------------------------------------------------------ *
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* This library is not part of eGroupWare, but is used by eGroupWare. *
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* ------------------------------------------------------------------------ *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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\**************************************************************************/
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/*
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net_http_client class
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@DESCRIPTION
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HTTP Client component
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suppots methods HEAD, GET, POST
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1.0 and 1.1 compliant
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WebDAV methods tested against Apache/mod_dav
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Documentation @ http://lwest.free.fr/doc/php/lib/net_http_client-en.html
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@SYNOPSIS
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include "Net/HTTP/Client.php";
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$http = new net_http_client();
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$http->connect( "localhost", 80 ) or die( "connect problem" );
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$status = $http->get( "/index.html" );
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if( $status != 200 )
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die( "Problem : " . $http->getStatusMessage() . "\n" );
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$http->disconnect();
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@CHANGES
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0.1 initial version
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0.2 documentation completed
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+ getHeaders(), getBody()
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o Post(), Connect()
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0.3 DAV enhancements:
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+ Put() method
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0.4 continued DAV support
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+ Delete(), Move(), MkCol(), Propfind() methods
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o added url property, remove host and port properties
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o Connect, net_http_client (use of this.url)
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o processBody() : use non-blocking to fix a socket pblm
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0.5 debug support
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+ setDebug()
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+ debug levels definitions (DBG*)
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0.6 + Lock() method
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+ setCredentials() method and fix - thanks Thomas Olsen
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+ support for Get( full_url )
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o fix POST call (duplicate content-length) - thanks to Javier Sixto
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0.7 + OPTIONS method support
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+ addCookie and removeCookies methods
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o fix the "0" problem
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o undeifned variable warning fixed
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@VERSION
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0.7
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@INFORMATIONS
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Compatibility : PHP 4 >= 4.0b4
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created : May 2001
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LastModified : Sep 2002
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@AUTHOR
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Leo West <west_leo@yahoo-REMOVE-.com>
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@TODO
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remaining WebDAV methods: UNLOCK PROPPATCH
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*/
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/// debug levels , use it as Client::setDebug( DBGSOCK & DBGTRACE )
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define( "DBGTRACE", 1 ); // to debug methods calls
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define( "DBGINDATA", 2 ); // to debug data received
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define( "DBGOUTDATA", 4 ); // to debug data sent
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define( "DBGLOW", 8 ); // to debug low-level (usually internal) methods
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define( "DBGSOCK", 16 ); // to debug socket-level code
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/// internal errors
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define( "ECONNECTION", -1 ); // connection failed
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define( "EBADRESPONSE", -2 ); // response status line is not http compliant
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define( "CRLF", "\r\n" );
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class net_http_client
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{
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// @private
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/// array containg server URL, similar to array returned by parseurl()
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var $url;
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/// server response code eg. "304"
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var $reply;
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/// server response line eg. "200 OK"
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var $replyString;
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/// HTPP protocol version used
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var $protocolVersion = "1.0";
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/// internal buffers
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var $requestHeaders, $requestBody;
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/// TCP socket identifier
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var $socket = false;
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/// proxy informations
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var $useProxy = false;
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var $proxyHost, $proxyPort;
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/// debugging flag
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var $debug = 0;
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/**
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* net_http_client
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* constructor
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* Note : when host and port are defined, the connection is immediate
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* @seeAlso connect
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**/
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function net_http_client( $host= NULL, $port= NULL )
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{
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if( $this->debug & DBGTRACE ) echo "net_http_client( $host, $port )\n";
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if( $host != NULL ) {
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$this->connect( $host, $port );
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}
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}
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/**
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* turn on debug messages
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* @param level a combinaison of debug flags
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* @see debug flags ( DBG..) defined at top of file
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**/
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function setDebug( $level )
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{
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if( $this->debug & DBGTRACE ) echo "setDebug( $level )\n";
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$this->debug = $level;
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}
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/**
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* turn on proxy support
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* @param proxyHost proxy host address eg "proxy.mycorp.com"
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* @param proxyPort proxy port usually 80 or 8080
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**/
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function setProxy( $proxyHost, $proxyPort )
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{
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if( $this->debug & DBGTRACE ) echo "setProxy( $proxyHost, $proxyPort )\n";
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$this->useProxy = true;
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$this->proxyHost = $proxyHost;
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$this->proxyPort = $proxyPort;
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}
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/**
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* setProtocolVersion
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* define the HTTP protocol version to use
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* @param version string the version number with one decimal: "0.9", "1.0", "1.1"
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* when using 1.1, you MUST set the mandatory headers "Host"
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* @return boolean false if the version number is bad, true if ok
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**/
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function setProtocolVersion( $version )
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{
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if( $this->debug & DBGTRACE ) echo "setProtocolVersion( $version )\n";
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if( $version > 0 and $version <= 1.1 ) {
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$this->protocolVersion = $version;
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return true;
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} else {
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return false;
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}
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}
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/**
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* set a username and password to access a protected resource
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* Only "Basic" authentication scheme is supported yet
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* @param username string - identifier
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* @param password string - clear password
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**/
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function setCredentials( $username, $password )
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{
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$hdrvalue = base64_encode( "$username:$password" );
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$this->addHeader( "Authorization", "Basic $hdrvalue" );
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}
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/**
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* define a set of HTTP headers to be sent to the server
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* header names are lowercased to avoid duplicated headers
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* @param headers hash array containing the headers as headerName => headerValue pairs
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**/
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function setHeaders( $headers )
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{
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if( $this->debug & DBGTRACE ) echo "setHeaders( $headers ) \n";
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if( is_array( $headers )) {
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foreach( $headers as $name => $value ) {
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$this->requestHeaders[$name] = $value;
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}
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}
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}
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/**
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* addHeader
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* set a unique request header
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* @param headerName the header name
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* @param headerValue the header value, ( unencoded)
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**/
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function addHeader( $headerName, $headerValue )
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{
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if( $this->debug & DBGTRACE ) echo "addHeader( $headerName, $headerValue )\n";
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$this->requestHeaders[$headerName] = $headerValue;
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}
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/**
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* removeHeader
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* unset a request header
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* @param headerName the header name
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**/
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function removeHeader( $headerName )
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{
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if( $this->debug & DBGTRACE ) echo "removeHeader( $headerName) \n";
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unset( $this->requestHeaders[$headerName] );
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}
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/**
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* addCookie
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* set a session cookie, that will be used in the next requests.
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* this is a hack as cookie are usually set by the server, but you may need it
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* it is your responsabilty to unset the cookie if you request another host
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* to keep a session on the server
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* @param string the name of the cookie
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* @param string the value for the cookie
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**/
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function addCookie( $cookiename, $cookievalue )
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{
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if( $this->debug & DBGTRACE ) echo "addCookie( $cookiename, $cookievalue ) \n";
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$cookie = $cookiename . "=" . $cookievalue;
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$this->requestHeaders["Cookie"] = $cookie;
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}
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/**
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* removeCookie
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* unset cookies currently in use
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**/
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function removeCookies()
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{
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if( $this->debug & DBGTRACE ) echo "removeCookies() \n";
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unset( $this->requestHeaders["Cookie"] );
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}
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/**
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* Connect
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* open the connection to the server
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* @param host string server address (or IP)
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* @param port string server listening port - defaults to 80
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* @return boolean false is connection failed, true otherwise
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**/
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function Connect( $host, $port = NULL )
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{
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if( $this->debug & DBGTRACE ) echo "Connect( $host, $port ) \n";
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$this->url['scheme'] = "http";
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$this->url['host'] = $host;
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if( $port != NULL )
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$this->url['port'] = $port;
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return true;
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}
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/**
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* Disconnect
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* close the connection to the server
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**/
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function Disconnect()
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{
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if( $this->debug & DBGTRACE ) echo "Disconnect()\n";
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if( $this->socket )
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fclose( $this->socket );
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}
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/**
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* head
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* issue a HEAD request
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* @param uri string URI of the document
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* @return string response status code (200 if ok)
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* @seeAlso getHeaders()
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**/
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function Head( $uri )
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{
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if( $this->debug & DBGTRACE ) echo "Head( $uri )\n";
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$this->responseHeaders = $this->responseBody = "";
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$uri = $this->makeUri( $uri );
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if( $this->sendCommand( "HEAD $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* get
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* issue a GET http request
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* @param uri URI (path on server) or full URL of the document
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* @return string response status code (200 if ok)
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* @seeAlso getHeaders(), getBody()
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**/
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function Get( $url )
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{
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if( $this->debug & DBGTRACE ) echo "Get( $url )\n";
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$this->responseHeaders = $this->responseBody = "";
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$uri = $this->makeUri( $url );
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if( $this->sendCommand( "GET $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* Options
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* issue a OPTIONS http request
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* @param uri URI (path on server) or full URL of the document
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* @return array list of options supported by the server or NULL in case of error
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**/
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function Options( $url )
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{
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if( $this->debug & DBGTRACE ) echo "Options( $url )\n";
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$this->responseHeaders = $this->responseBody = "";
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$uri = $this->makeUri( $url );
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if( $this->sendCommand( "OPTIONS $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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if( @$this->responseHeaders["Allow"] == NULL )
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return NULL;
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else
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return explode( ",", $this->responseHeaders["Allow"] );
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}
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/**
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* Post
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* issue a POST http request
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* @param uri string URI of the document
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* @param query_params array parameters to send in the form "parameter name" => value
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* @return string response status code (200 if ok)
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* @example
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* $params = array( "login" => "tiger", "password" => "secret" );
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* $http->post( "/login.php", $params );
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**/
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function Post( $uri, $query_params="" )
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{
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if( $this->debug & DBGTRACE ) echo "Post( $uri, $query_params )\n";
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$uri = $this->makeUri( $uri );
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if( is_array($query_params) ) {
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$postArray = array();
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foreach( $query_params as $k=>$v ) {
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$postArray[] = urlencode($k) . "=" . urlencode($v);
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}
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$this->requestBody = implode( "&", $postArray);
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}
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// set the content type for post parameters
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$this->addHeader( 'Content-Type', "application/x-www-form-urlencoded" );
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// done in sendCommand() $this->addHeader( 'Content-Length', strlen($this->requestBody) );
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if( $this->sendCommand( "POST $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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$this->removeHeader('Content-Type');
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$this->removeHeader('Content-Length');
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$this->requestBody = "";
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return $this->reply;
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}
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/**
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* Put
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* Send a PUT request
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* PUT is the method to sending a file on the server. it is *not* widely supported
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* @param uri the location of the file on the server. dont forget the heading "/"
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* @param filecontent the content of the file. binary content accepted
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* @return string response status code 201 (Created) if ok
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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**/
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function Put( $uri, $filecontent )
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{
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if( $this->debug & DBGTRACE ) echo "Put( $uri, [filecontent not displayed )\n";
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$uri = $this->makeUri( $uri );
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$this->requestBody = $filecontent;
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if( $this->sendCommand( "PUT $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* Send a MOVE HTTP-DAV request
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* Move (rename) a file on the server
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* @param srcUri the current file location on the server. dont forget the heading "/"
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* @param destUri the destination location on the server. this is *not* a full URL
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* @param overwrite boolean - true to overwrite an existing destinationn default if yes
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* @return string response status code 204 (Unchanged) if ok
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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**/
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function Move( $srcUri, $destUri, $overwrite=true, $scope=0 )
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{
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if( $this->debug & DBGTRACE ) echo "Move( $srcUri, $destUri, $overwrite )\n";
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if( $overwrite )
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$this->requestHeaders['Overwrite'] = "T";
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else
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$this->requestHeaders['Overwrite'] = "F";
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/*
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$destUrl = $this->url['scheme'] . "://" . $this->url['host'];
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if( $this->url['port'] != "" )
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$destUrl .= ":" . $this->url['port'];
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$destUrl .= $destUri;
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$this->requestHeaders['Destination'] = $destUrl;
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*/
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$this->requestHeaders['Destination'] = $destUri;
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$this->requestHeaders['Depth']=$scope;
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if( $this->sendCommand( "MOVE $srcUri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* Send a COPY HTTP-DAV request
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* Copy a file -allready on the server- into a new location
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* @param srcUri the current file location on the server. dont forget the heading "/"
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* @param destUri the destination location on the server. this is *not* a full URL
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* @param overwrite boolean - true to overwrite an existing destination - overwrite by default
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* @return string response status code 204 (Unchanged) if ok
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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**/
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function Copy( $srcUri, $destUri, $overwrite=true, $scope=0)
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{
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if( $this->debug & DBGTRACE ) echo "Copy( $srcUri, $destUri, $overwrite )\n";
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if( $overwrite )
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$this->requestHeaders['Overwrite'] = "T";
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else
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$this->requestHeaders['Overwrite'] = "F";
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/*
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$destUrl = $this->url['scheme'] . "://" . $this->url['host'];
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if( $this->url['port'] != "" )
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$destUrl .= ":" . $this->url['port'];
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$destUrl .= $destUri;
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$this->requestHeaders['Destination'] = $destUrl;
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*/
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$this->requestHeaders['Destination'] = $destUri;
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$this->requestHeaders['Depth']=$scope;
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if( $this->sendCommand( "COPY $srcUri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* Send a MKCOL HTTP-DAV request
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* Create a collection (directory) on the server
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* @param uri the directory location on the server. dont forget the heading "/"
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* @return string response status code 201 (Created) if ok
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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**/
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function MkCol( $uri )
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{
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if( $this->debug & DBGTRACE ) echo "Mkcol( $uri )\n";
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// $this->requestHeaders['Overwrite'] = "F";
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$this->requestHeaders['Depth']=0;
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if( $this->sendCommand( "MKCOL $uri HTTP/$this->protocolVersion" ) )
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$this->processReply();
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return $this->reply;
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}
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/**
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* Delete a file on the server using the "DELETE" HTTP-DAV request
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* This HTTP method is *not* widely supported
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* Only partially supports "collection" deletion, as the XML response is not parsed
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* @param uri the location of the file on the server. dont forget the heading "/"
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* @return string response status code 204 (Unchanged) if ok
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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**/
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function Delete( $uri, $scope=0)
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{
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if( $this->debug & DBGTRACE ) echo "Delete( $uri )\n";
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$this->requestHeaders['Depth'] = $scope;
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if( $this->sendCommand( "DELETE $uri HTTP/$this->protocolVersion" ) ){
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$this->processReply();
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}
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return $this->reply;
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}
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|
/**
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* PropFind
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|
* implements the PROPFIND method
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* PROPFIND retrieves meta informations about a resource on the server
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|
* XML reply is not parsed, you'll need to do it
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|
* @param uri the location of the file on the server. dont forget the heading "/"
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|
* @param scope set the scope of the request.
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* O : infos about the node only
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* 1 : infos for the node and its direct children ( one level)
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|
* Infinity : infos for the node and all its children nodes (recursive)
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|
* @return string response status code - 207 (Multi-Status) if OK
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|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV"
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|
**/
|
|
function PropFind( $uri, $scope=0 )
|
|
{
|
|
$this->requestBody = '';
|
|
if( $this->debug & DBGTRACE ) echo "Propfind( $uri, $scope )\n";
|
|
$prev_depth=$this->requestHeaders['Depth'];
|
|
$this->requestHeaders['Depth'] = $scope;
|
|
if( $this->sendCommand( "PROPFIND $uri HTTP/$this->protocolVersion" ) )
|
|
$this->processReply();
|
|
$this->requestHeaders['Depth']=$prev_depth;
|
|
return $this->reply;
|
|
}
|
|
|
|
|
|
/**
|
|
* Lock - WARNING: EXPERIMENTAL
|
|
* Lock a ressource on the server. XML reply is not parsed, you'll need to do it
|
|
* @param $uri URL (relative) of the resource to lock
|
|
* @param $lockScope - use "exclusive" for an eclusive lock, "inclusive" for a shared lock
|
|
* @param $lockType - acces type of the lock : "write"
|
|
* @param $lockScope - use "exclusive" for an eclusive lock, "inclusive" for a shared lock
|
|
* @param $lockOwner - an url representing the owner for this lock
|
|
* @return server reply code, 200 if ok
|
|
**/
|
|
function Lock( $uri, $lockScope, $lockType, $lockOwner )
|
|
{
|
|
$body = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>
|
|
<D:lockinfo xmlns:D='DAV:'>
|
|
<D:lockscope><D:$lockScope/></D:lockscope>\n<D:locktype><D:$lockType/></D:locktype>
|
|
<D:owner><D:href>$lockOwner</D:href></D:owner>
|
|
</D:lockinfo>\n";
|
|
|
|
$this->requestBody = utf8_encode( $body );
|
|
if( $this->sendCommand( "LOCK $uri HTTP/$this->protocolVersion" ) )
|
|
$this->processReply();
|
|
return $this->reply;
|
|
}
|
|
|
|
|
|
/**
|
|
* Unlock - WARNING: EXPERIMENTAL
|
|
* unlock a ressource on the server
|
|
* @param $uri URL (relative) of the resource to unlock
|
|
* @param $lockToken the lock token given at lock time, eg: opaquelocktoken:e71d4fae-5dec-22d6-fea5-00a0c91e6be4
|
|
* @return server reply code, 204 if ok
|
|
**/
|
|
function Unlock( $uri, $lockToken )
|
|
{
|
|
$this->addHeader( "Lock-Token", "<$lockToken>" );
|
|
if( $this->sendCommand( "UNLOCK $uri HTTP/$this->protocolVersion" ) )
|
|
$this->processReply();
|
|
return $this->reply;
|
|
}
|
|
|
|
/**
|
|
* getHeaders
|
|
* return the response headers
|
|
* to be called after a Get() or Head() call
|
|
* @return array headers received from server in the form headername => value
|
|
* @seeAlso get, head
|
|
**/
|
|
function getHeaders()
|
|
{
|
|
if( $this->debug & DBGTRACE ) echo "getHeaders()\n";
|
|
if( $this->debug & DBGINDATA ) {
|
|
echo "DBG.INDATA responseHeaders="; print_r( $this->responseHeaders );
|
|
}
|
|
return $this->responseHeaders;
|
|
}
|
|
|
|
/**
|
|
* getHeader
|
|
* return the response header "headername"
|
|
* @param headername the name of the header
|
|
* @return header value or NULL if no such header is defined
|
|
**/
|
|
function getHeader( $headername )
|
|
{
|
|
if( $this->debug & DBGTRACE ) echo "getHeaderName( $headername )\n";
|
|
return $this->responseHeaders[$headername];
|
|
}
|
|
|
|
/**
|
|
* getBody
|
|
* return the response body
|
|
* invoke it after a Get() call for instance, to retrieve the response
|
|
* @return string body content
|
|
* @seeAlso get, head
|
|
**/
|
|
function getBody()
|
|
{
|
|
if( $this->debug & DBGTRACE ) echo "getBody()\n";
|
|
return $this->responseBody;
|
|
}
|
|
|
|
/**
|
|
* getStatus return the server response's status code
|
|
* @return string a status code
|
|
* code are divided in classes (where x is a digit)
|
|
* - 20x : request processed OK
|
|
* - 30x : document moved
|
|
* - 40x : client error ( bad url, document not found, etc...)
|
|
* - 50x : server error
|
|
* @see RFC2616 "Hypertext Transfer Protocol -- HTTP/1.1"
|
|
**/
|
|
function getStatus()
|
|
{
|
|
return $this->reply;
|
|
}
|
|
|
|
|
|
/**
|
|
* getStatusMessage return the full response status, of the form "CODE Message"
|
|
* eg. "404 Document not found"
|
|
* @return string the message
|
|
**/
|
|
function getStatusMessage()
|
|
{
|
|
return $this->replyString;
|
|
}
|
|
|
|
|
|
|
|
|
|
/*********************************************
|
|
* @scope only protected or private methods below
|
|
**/
|
|
|
|
/**
|
|
* send a request
|
|
* data sent are in order
|
|
* a) the command
|
|
* b) the request headers if they are defined
|
|
* c) the request body if defined
|
|
* @return string the server repsonse status code
|
|
**/
|
|
function sendCommand( $command )
|
|
{
|
|
if( $this->debug & DBGLOW ) echo "sendCommand( $command )\n";
|
|
$this->responseHeaders = array();
|
|
$this->responseBody = "";
|
|
// connect if necessary
|
|
if( $this->socket == false or feof( $this->socket) ) {
|
|
|
|
if( $this->useProxy ) {
|
|
$host = $this->proxyHost;
|
|
$port = $this->proxyPort;
|
|
} else {
|
|
$host = $this->url['host'];
|
|
$port = $this->url['port'];
|
|
}
|
|
if( $port == "" ) $port = 80;
|
|
$this->socket = fsockopen( $host, $port, &$this->reply, &$this->replyString );
|
|
if( $this->debug & DBGSOCK ) echo "connexion( $host, $port) - $this->socket\n";
|
|
if( ! $this->socket ) {
|
|
if( $this->debug & DBGSOCK ) echo "FAILED : $this->replyString ($this->reply)\n";
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( $this->requestBody != "" ) {
|
|
$this->addHeader( "Content-Length", strlen( $this->requestBody ) );
|
|
}
|
|
else {
|
|
$this->removeHeader( "Content-Length");
|
|
}
|
|
|
|
$this->request = $command;
|
|
$cmd = $command . CRLF;
|
|
if( is_array( $this->requestHeaders) ) {
|
|
foreach( $this->requestHeaders as $k => $v ) {
|
|
$cmd .= "$k: $v" . CRLF;
|
|
}
|
|
}
|
|
|
|
if( $this->requestBody != "" ) {
|
|
$cmd .= CRLF . $this->requestBody;
|
|
}
|
|
|
|
// unset body (in case of successive requests)
|
|
$this->requestBody = "";
|
|
if( $this->debug & DBGOUTDATA ) echo "DBG.OUTDATA Sending\n$cmd\n";
|
|
|
|
fputs( $this->socket, $cmd . CRLF );
|
|
return true;
|
|
}
|
|
|
|
function processReply()
|
|
{
|
|
if( $this->debug & DBGLOW ) echo "processReply()\n";
|
|
|
|
$this->replyString = trim(fgets( $this->socket,1024) );
|
|
if( preg_match( "|^HTTP/\S+ (\d+) |i", $this->replyString, $a )) {
|
|
$this->reply = $a[1];
|
|
} else {
|
|
$this->reply = EBADRESPONSE;
|
|
}
|
|
if( $this->debug & DBGINDATA ) echo "replyLine: $this->replyString\n";
|
|
|
|
// get response headers and body
|
|
$this->responseHeaders = $this->processHeader();
|
|
$this->responseBody = $this->processBody();
|
|
if ($this->responseHeaders['Connection'] == 'close') {
|
|
if( $this->debug & DBGINDATA ) echo "connection closed at server request!";
|
|
fclose($this->socket);
|
|
$this->socket=false;
|
|
}
|
|
|
|
// if( $this->responseHeaders['set-cookie'] )
|
|
// $this->addHeader( "cookie", $this->responseHeaders['set-cookie'] );
|
|
return $this->reply;
|
|
}
|
|
|
|
/**
|
|
* processHeader() reads header lines from socket until the line equals $lastLine
|
|
* @scope protected
|
|
* @return array of headers with header names as keys and header content as values
|
|
**/
|
|
function processHeader( $lastLine = CRLF )
|
|
{
|
|
if( $this->debug & DBGLOW ) echo "processHeader( [lastLine] )\n";
|
|
$headers = array();
|
|
$finished = false;
|
|
|
|
while ( ( ! $finished ) && ( ! feof($this->socket)) ) {
|
|
$str = fgets( $this->socket, 1024 );
|
|
if( $this->debug & DBGINDATA ) echo "HEADER : $str;";
|
|
$finished = ( $str == $lastLine );
|
|
if ( !$finished ) {
|
|
list( $hdr, $value ) = split( ": ", $str, 2 );
|
|
// nasty workaround broken multiple same headers (eg. Set-Cookie headers) @FIXME
|
|
if( isset( $headers[$hdr]) )
|
|
$headers[$hdr] .= "; " . trim($value);
|
|
else
|
|
$headers[$hdr] = trim($value);
|
|
}
|
|
}
|
|
return $headers;
|
|
}
|
|
|
|
/**
|
|
* processBody() reads the body from the socket
|
|
* the body is the "real" content of the reply
|
|
* @return string body content
|
|
* @scope private
|
|
**/
|
|
function processBody()
|
|
{
|
|
$failureCount = 0;
|
|
|
|
$data='';
|
|
if( $this->debug & DBGLOW ) echo "processBody()\n";
|
|
|
|
if ( $this->responseHeaders['Transfer-Encoding']=='chunked' )
|
|
{
|
|
// chunked encoding
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK chunked encoding..\n";
|
|
$length = fgets($this->socket, 1024);
|
|
$length = hexdec($length);
|
|
|
|
while (true) {
|
|
if ($length == 0) { break; }
|
|
$data .= fread($this->socket, $length);
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK chunked encoding: read $length bytes\n";
|
|
fgets($this->socket, 1024);
|
|
$length = fgets($this->socket, 1024);
|
|
$length = hexdec($length);
|
|
}
|
|
fgets($this->socket, 1024);
|
|
|
|
}
|
|
else if ($this->responseHeaders['Content-Length'] )
|
|
{
|
|
$length = $this->responseHeaders['Content-Length'];
|
|
$data = fread( $this->socket, $length );
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK socket_read using Content-Length ($length)\n";
|
|
|
|
}
|
|
else {
|
|
if( $this->debug & DBGSOCK ) echo "Not chunked, dont know how big?..\n";
|
|
$data = "";
|
|
$counter = 0;
|
|
socket_set_blocking( $this->socket, true );
|
|
socket_set_timeout($this->socket,2);
|
|
$ts1=time();
|
|
do{
|
|
$status = socket_get_status( $this->socket );
|
|
/* if( $this->debug & DBGSOCK )
|
|
echo " Socket status: "; print_r($status);
|
|
*/ if( feof($this->socket)) {
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK eof met, finished socket_read\n";
|
|
break;
|
|
}
|
|
if( $status['unread_bytes'] > 0 ) {
|
|
$buffer = fread( $this->socket, $status['unread_bytes'] );
|
|
$counter = 0;
|
|
} else {
|
|
$ts=time();
|
|
$buffer = fread( $this->socket, 1024 );
|
|
|
|
sleep(0.1);
|
|
$failureCount++;
|
|
//print "elapsed ".(time()-$ts)."<br>";
|
|
}
|
|
$data .= $buffer;
|
|
|
|
|
|
} while( $status['unread_bytes'] > 0 || $counter++ < 10 );
|
|
//print "total ".(time()-$ts1)."<br>";
|
|
|
|
if( $this->debug & DBGSOCK ) {
|
|
echo "DBG.SOCK Counter:$counter\nRead failure #: $failureCount\n";
|
|
echo " Socket status: "; print_r($status);
|
|
}
|
|
socket_set_blocking( $this->socket, true );
|
|
}
|
|
$len = strlen($data);
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK read $len bytes";
|
|
|
|
return $data;
|
|
}
|
|
|
|
|
|
/**
|
|
* Calculate and return the URI to be sent ( proxy purpose )
|
|
* @param the local URI
|
|
* @return URI to be used in the HTTP request
|
|
* @scope private
|
|
**/
|
|
|
|
function makeUri( $uri )
|
|
{
|
|
$a = parse_url( $uri );
|
|
|
|
if( isset($a['scheme']) && isset($a['host']) ) {
|
|
$this->url = $a;
|
|
} else {
|
|
unset( $this->url['query']);
|
|
unset( $this->url['fragment']);
|
|
$this->url = array_merge( $this->url, $a );
|
|
}
|
|
if( $this->useProxy ) {
|
|
$requesturi= "http://" . $this->url['host'] . ( empty($this->url['port']) ? "" : ":" . $this->url['port'] ) . $this->url['path'] . ( empty($this->url['query']) ? "" : "?" . $this->url['query'] );
|
|
} else {
|
|
$requesturi = $this->url['path'] . (empty( $this->url['query'] ) ? "" : "?" . $this->url['query']);
|
|
}
|
|
return $requesturi;
|
|
}
|
|
|
|
} // end class net_http_client
|
|
|
|
|
|
?>
|