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joko |
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<?php |
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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 |
| 331 |
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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 |
| 336 |
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* $params = array( "login" => "tiger", "password" => "secret" ); |
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* $http->post( "/login.php", $params ); |
| 338 |
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**/ |
| 339 |
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function Post( $uri, $query_params="" ) |
| 340 |
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{ |
| 341 |
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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($v); |
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} |
| 348 |
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$this->requestBody = implode( "&", $postArray); |
| 349 |
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} |
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// set the content type for post parameters |
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$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 = ""; |
| 359 |
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return $this->reply; |
| 360 |
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} |
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/** |
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* Put |
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* Send a PUT request |
| 365 |
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* PUT is the method to sending a file on the server. it is *not* widely supported |
| 366 |
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* @param uri the location of the file on the server. dont forget the heading "/" |
| 367 |
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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 |
| 369 |
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* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 370 |
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**/ |
| 371 |
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function Put( $uri, $filecontent ) |
| 372 |
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{ |
| 373 |
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if( $this->debug & DBGTRACE ) echo "Put( $uri, [filecontent not displayed )\n"; |
| 374 |
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$uri = $this->makeUri( $uri ); |
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$this->requestBody = $filecontent; |
| 376 |
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if( $this->sendCommand( "PUT $uri HTTP/$this->protocolVersion" ) ) |
| 377 |
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$this->processReply(); |
| 378 |
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return $this->reply; |
| 379 |
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} |
| 380 |
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| 381 |
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/** |
| 382 |
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* Send a MOVE HTTP-DAV request |
| 383 |
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* Move (rename) a file on the server |
| 384 |
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* @param srcUri the current file location on the server. dont forget the heading "/" |
| 385 |
|
|
* @param destUri the destination location on the server. this is *not* a full URL |
| 386 |
|
|
* @param overwrite boolean - true to overwrite an existing destinationn default if yes |
| 387 |
|
|
* @return string response status code 204 (Unchanged) if ok |
| 388 |
|
|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 389 |
|
|
**/ |
| 390 |
|
|
function Move( $srcUri, $destUri, $overwrite=true ) |
| 391 |
|
|
{ |
| 392 |
|
|
if( $this->debug & DBGTRACE ) echo "Move( $srcUri, $destUri, $overwrite )\n"; |
| 393 |
|
|
if( $overwrite ) |
| 394 |
|
|
$this->requestHeaders['Overwrite'] = "T"; |
| 395 |
|
|
else |
| 396 |
|
|
$this->requestHeaders['Overwrite'] = "F"; |
| 397 |
|
|
|
| 398 |
|
|
$destUrl = $this->url['scheme'] . "://" . $this->url['host']; |
| 399 |
|
|
if( $this->url['port'] != "" ) |
| 400 |
|
|
$destUrl .= ":" . $this->url['port']; |
| 401 |
|
|
$destUrl .= $destUri; |
| 402 |
|
|
$this->requestHeaders['Destination'] = $destUrl; |
| 403 |
|
|
|
| 404 |
|
|
if( $this->sendCommand( "MOVE $srcUri HTTP/$this->protocolVersion" ) ) |
| 405 |
|
|
$this->processReply(); |
| 406 |
|
|
return $this->reply; |
| 407 |
|
|
} |
| 408 |
|
|
|
| 409 |
|
|
/** |
| 410 |
|
|
* Send a COPY HTTP-DAV request |
| 411 |
|
|
* Copy a file -allready on the server- into a new location |
| 412 |
|
|
* @param srcUri the current file location on the server. dont forget the heading "/" |
| 413 |
|
|
* @param destUri the destination location on the server. this is *not* a full URL |
| 414 |
|
|
* @param overwrite boolean - true to overwrite an existing destination - overwrite by default |
| 415 |
|
|
* @return string response status code 204 (Unchanged) if ok |
| 416 |
|
|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 417 |
|
|
**/ |
| 418 |
|
|
function Copy( $srcUri, $destUri, $overwrite=true ) |
| 419 |
|
|
{ |
| 420 |
|
|
if( $this->debug & DBGTRACE ) echo "Copy( $srcUri, $destUri, $overwrite )\n"; |
| 421 |
|
|
if( $overwrite ) |
| 422 |
|
|
$this->requestHeaders['Overwrite'] = "T"; |
| 423 |
|
|
else |
| 424 |
|
|
$this->requestHeaders['Overwrite'] = "F"; |
| 425 |
|
|
|
| 426 |
|
|
$destUrl = $this->url['scheme'] . "://" . $this->url['host']; |
| 427 |
|
|
if( $this->url['port'] != "" ) |
| 428 |
|
|
$destUrl .= ":" . $this->url['port']; |
| 429 |
|
|
$destUrl .= $destUri; |
| 430 |
|
|
$this->requestHeaders['Destination'] = $destUrl; |
| 431 |
|
|
|
| 432 |
|
|
if( $this->sendCommand( "COPY $srcUri HTTP/$this->protocolVersion" ) ) |
| 433 |
|
|
$this->processReply(); |
| 434 |
|
|
return $this->reply; |
| 435 |
|
|
} |
| 436 |
|
|
|
| 437 |
|
|
|
| 438 |
|
|
/** |
| 439 |
|
|
* Send a MKCOL HTTP-DAV request |
| 440 |
|
|
* Create a collection (directory) on the server |
| 441 |
|
|
* @param uri the directory location on the server. dont forget the heading "/" |
| 442 |
|
|
* @return string response status code 201 (Created) if ok |
| 443 |
|
|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 444 |
|
|
**/ |
| 445 |
|
|
function MkCol( $uri ) |
| 446 |
|
|
{ |
| 447 |
|
|
if( $this->debug & DBGTRACE ) echo "Mkcol( $uri )\n"; |
| 448 |
|
|
// $this->requestHeaders['Overwrite'] = "F"; |
| 449 |
|
|
if( $this->sendCommand( "MKCOL $uri HTTP/$this->protocolVersion" ) ) |
| 450 |
|
|
$this->processReply(); |
| 451 |
|
|
return $this->reply; |
| 452 |
|
|
} |
| 453 |
|
|
|
| 454 |
|
|
/** |
| 455 |
|
|
* Delete a file on the server using the "DELETE" HTTP-DAV request |
| 456 |
|
|
* This HTTP method is *not* widely supported |
| 457 |
|
|
* Only partially supports "collection" deletion, as the XML response is not parsed |
| 458 |
|
|
* @param uri the location of the file on the server. dont forget the heading "/" |
| 459 |
|
|
* @return string response status code 204 (Unchanged) if ok |
| 460 |
|
|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 461 |
|
|
**/ |
| 462 |
|
|
function Delete( $uri ) |
| 463 |
|
|
{ |
| 464 |
|
|
if( $this->debug & DBGTRACE ) echo "Delete( $uri )\n"; |
| 465 |
|
|
if( $this->sendCommand( "DELETE $uri HTTP/$this->protocolVersion" ) ) |
| 466 |
|
|
$this->processReply(); |
| 467 |
|
|
return $this->reply; |
| 468 |
|
|
} |
| 469 |
|
|
|
| 470 |
|
|
/** |
| 471 |
|
|
* PropFind |
| 472 |
|
|
* implements the PROPFIND method |
| 473 |
|
|
* PROPFIND retrieves meta informations about a resource on the server |
| 474 |
|
|
* XML reply is not parsed, you'll need to do it |
| 475 |
|
|
* @param uri the location of the file on the server. dont forget the heading "/" |
| 476 |
|
|
* @param scope set the scope of the request. |
| 477 |
|
|
* O : infos about the node only |
| 478 |
|
|
* 1 : infos for the node and its direct children ( one level) |
| 479 |
|
|
* Infinity : infos for the node and all its children nodes (recursive) |
| 480 |
|
|
* @return string response status code - 207 (Multi-Status) if OK |
| 481 |
|
|
* @see RFC2518 "HTTP Extensions for Distributed Authoring WEBDAV" |
| 482 |
|
|
**/ |
| 483 |
|
|
function PropFind( $uri, $scope=0 ) |
| 484 |
|
|
{ |
| 485 |
|
|
if( $this->debug & DBGTRACE ) echo "Propfind( $uri, $scope )\n"; |
| 486 |
|
|
$this->requestHeaders['Depth'] = $scope; |
| 487 |
|
|
if( $this->sendCommand( "PROPFIND $uri HTTP/$this->protocolVersion" ) ) |
| 488 |
|
|
$this->processReply(); |
| 489 |
|
|
return $this->reply; |
| 490 |
|
|
} |
| 491 |
|
|
|
| 492 |
|
|
|
| 493 |
|
|
/** |
| 494 |
|
|
* Lock - WARNING: EXPERIMENTAL |
| 495 |
|
|
* Lock a ressource on the server. XML reply is not parsed, you'll need to do it |
| 496 |
|
|
* @param $uri URL (relative) of the resource to lock |
| 497 |
|
|
* @param $lockScope - use "exclusive" for an eclusive lock, "inclusive" for a shared lock |
| 498 |
|
|
* @param $lockType - acces type of the lock : "write" |
| 499 |
|
|
* @param $lockScope - use "exclusive" for an eclusive lock, "inclusive" for a shared lock |
| 500 |
|
|
* @param $lockOwner - an url representing the owner for this lock |
| 501 |
|
|
* @return server reply code, 200 if ok |
| 502 |
|
|
**/ |
| 503 |
|
|
function Lock( $uri, $lockScope, $lockType, $lockOwner ) |
| 504 |
|
|
{ |
| 505 |
|
|
$body = "<?xml version=\"1.0\" encoding=\"utf-8\" ?> |
| 506 |
|
|
<D:lockinfo xmlns:D='DAV:'> |
| 507 |
|
|
<D:lockscope><D:$lockScope/></D:lockscope>\n<D:locktype><D:$lockType/></D:locktype> |
| 508 |
|
|
<D:owner><D:href>$lockOwner</D:href></D:owner> |
| 509 |
|
|
</D:lockinfo>\n"; |
| 510 |
|
|
|
| 511 |
|
|
$this->requestBody = utf8_encode( $body ); |
| 512 |
|
|
if( $this->sendCommand( "LOCK $uri HTTP/$this->protocolVersion" ) ) |
| 513 |
|
|
$this->processReply(); |
| 514 |
|
|
return $this->reply; |
| 515 |
|
|
} |
| 516 |
|
|
|
| 517 |
|
|
|
| 518 |
|
|
/** |
| 519 |
|
|
* Unlock - WARNING: EXPERIMENTAL |
| 520 |
|
|
* unlock a ressource on the server |
| 521 |
|
|
* @param $uri URL (relative) of the resource to unlock |
| 522 |
|
|
* @param $lockToken the lock token given at lock time, eg: opaquelocktoken:e71d4fae-5dec-22d6-fea5-00a0c91e6be4 |
| 523 |
|
|
* @return server reply code, 204 if ok |
| 524 |
|
|
**/ |
| 525 |
|
|
function Unlock( $uri, $lockToken ) |
| 526 |
|
|
{ |
| 527 |
|
|
$this->addHeader( "Lock-Token", "<$lockToken>" ); |
| 528 |
|
|
if( $this->sendCommand( "UNLOCK $uri HTTP/$this->protocolVersion" ) ) |
| 529 |
|
|
$this->processReply(); |
| 530 |
|
|
return $this->reply; |
| 531 |
|
|
} |
| 532 |
|
|
|
| 533 |
|
|
/** |
| 534 |
|
|
* getHeaders |
| 535 |
|
|
* return the response headers |
| 536 |
|
|
* to be called after a Get() or Head() call |
| 537 |
|
|
* @return array headers received from server in the form headername => value |
| 538 |
|
|
* @seeAlso get, head |
| 539 |
|
|
**/ |
| 540 |
|
|
function getHeaders() |
| 541 |
|
|
{ |
| 542 |
|
|
if( $this->debug & DBGTRACE ) echo "getHeaders()\n"; |
| 543 |
|
|
if( $this->debug & DBGINDATA ) { |
| 544 |
|
|
echo "DBG.INDATA responseHeaders="; print_r( $this->responseHeaders ); |
| 545 |
|
|
} |
| 546 |
|
|
return $this->responseHeaders; |
| 547 |
|
|
} |
| 548 |
|
|
|
| 549 |
|
|
/** |
| 550 |
|
|
* getHeader |
| 551 |
|
|
* return the response header "headername" |
| 552 |
|
|
* @param headername the name of the header |
| 553 |
|
|
* @return header value or NULL if no such header is defined |
| 554 |
|
|
**/ |
| 555 |
|
|
function getHeader( $headername ) |
| 556 |
|
|
{ |
| 557 |
|
|
if( $this->debug & DBGTRACE ) echo "getHeaderName( $headername )\n"; |
| 558 |
|
|
return $this->responseHeaders[$headername]; |
| 559 |
|
|
} |
| 560 |
|
|
|
| 561 |
|
|
/** |
| 562 |
|
|
* getBody |
| 563 |
|
|
* return the response body |
| 564 |
|
|
* invoke it after a Get() call for instance, to retrieve the response |
| 565 |
|
|
* @return string body content |
| 566 |
|
|
* @seeAlso get, head |
| 567 |
|
|
**/ |
| 568 |
|
|
function getBody() |
| 569 |
|
|
{ |
| 570 |
|
|
if( $this->debug & DBGTRACE ) echo "getBody()\n"; |
| 571 |
|
|
return $this->responseBody; |
| 572 |
|
|
} |
| 573 |
|
|
|
| 574 |
|
|
/** |
| 575 |
|
|
* getStatus return the server response's status code |
| 576 |
|
|
* @return string a status code |
| 577 |
|
|
* code are divided in classes (where x is a digit) |
| 578 |
|
|
* - 20x : request processed OK |
| 579 |
|
|
* - 30x : document moved |
| 580 |
|
|
* - 40x : client error ( bad url, document not found, etc...) |
| 581 |
|
|
* - 50x : server error |
| 582 |
|
|
* @see RFC2616 "Hypertext Transfer Protocol -- HTTP/1.1" |
| 583 |
|
|
**/ |
| 584 |
|
|
function getStatus() |
| 585 |
|
|
{ |
| 586 |
|
|
return $this->reply; |
| 587 |
|
|
} |
| 588 |
|
|
|
| 589 |
|
|
|
| 590 |
|
|
/** |
| 591 |
|
|
* getStatusMessage return the full response status, of the form "CODE Message" |
| 592 |
|
|
* eg. "404 Document not found" |
| 593 |
|
|
* @return string the message |
| 594 |
|
|
**/ |
| 595 |
|
|
function getStatusMessage() |
| 596 |
|
|
{ |
| 597 |
|
|
return $this->replyString; |
| 598 |
|
|
} |
| 599 |
|
|
|
| 600 |
|
|
|
| 601 |
|
|
|
| 602 |
|
|
|
| 603 |
|
|
/********************************************* |
| 604 |
|
|
* @scope only protected or private methods below |
| 605 |
|
|
**/ |
| 606 |
|
|
|
| 607 |
|
|
/** |
| 608 |
|
|
* send a request |
| 609 |
|
|
* data sent are in order |
| 610 |
|
|
* a) the command |
| 611 |
|
|
* b) the request headers if they are defined |
| 612 |
|
|
* c) the request body if defined |
| 613 |
|
|
* @return string the server repsonse status code |
| 614 |
|
|
**/ |
| 615 |
|
|
function sendCommand( $command ) |
| 616 |
|
|
{ |
| 617 |
|
|
if( $this->debug & DBGLOW ) echo "sendCommand( $command )\n"; |
| 618 |
|
|
$this->responseHeaders = array(); |
| 619 |
|
|
$this->responseBody = ""; |
| 620 |
|
|
|
| 621 |
|
|
// connect if necessary |
| 622 |
|
|
if( $this->socket == false or feof( $this->socket) ) { |
| 623 |
|
|
|
| 624 |
|
|
if( $this->useProxy ) { |
| 625 |
|
|
$host = $this->proxyHost; |
| 626 |
|
|
$port = $this->proxyPort; |
| 627 |
|
|
} else { |
| 628 |
|
|
$host = $this->url['host']; |
| 629 |
|
|
$port = $this->url['port']; |
| 630 |
|
|
} |
| 631 |
|
|
if( $port == "" ) $port = 80; |
| 632 |
|
|
$this->socket = fsockopen( $host, $port, &$this->reply, &$this->replyString ); |
| 633 |
|
|
if( $this->debug & DBGSOCK ) echo "connexion( $host, $port) => $this->socket\n"; |
| 634 |
|
|
if( ! $this->socket ) { |
| 635 |
|
|
if( $this->debug & DBGSOCK ) echo "FAILED : $this->replyString ($this->reply)\n"; |
| 636 |
|
|
return false; |
| 637 |
|
|
} |
| 638 |
|
|
} |
| 639 |
|
|
|
| 640 |
|
|
if( $this->requestBody != "" ) { |
| 641 |
|
|
$this->addHeader( "Content-Length", strlen( $this->requestBody ) ); |
| 642 |
|
|
} |
| 643 |
|
|
|
| 644 |
|
|
$this->request = $command; |
| 645 |
|
|
$cmd = $command . CRLF; |
| 646 |
|
|
if( is_array( $this->requestHeaders) ) { |
| 647 |
|
|
foreach( $this->requestHeaders as $k => $v ) { |
| 648 |
|
|
$cmd .= "$k: $v" . CRLF; |
| 649 |
|
|
} |
| 650 |
|
|
} |
| 651 |
|
|
|
| 652 |
|
|
if( $this->requestBody != "" ) { |
| 653 |
|
|
$cmd .= CRLF . $this->requestBody; |
| 654 |
|
|
} |
| 655 |
|
|
|
| 656 |
|
|
// unset body (in case of successive requests) |
| 657 |
|
|
$this->requestBody = ""; |
| 658 |
|
|
if( $this->debug & DBGOUTDATA ) echo "DBG.OUTDATA Sending\n$cmd\n"; |
| 659 |
|
|
|
| 660 |
|
|
fputs( $this->socket, $cmd . CRLF ); |
| 661 |
|
|
return true; |
| 662 |
|
|
} |
| 663 |
|
|
|
| 664 |
|
|
function processReply() |
| 665 |
|
|
{ |
| 666 |
|
|
if( $this->debug & DBGLOW ) echo "processReply()\n"; |
| 667 |
|
|
|
| 668 |
|
|
$this->replyString = trim(fgets( $this->socket,1024) ); |
| 669 |
|
|
|
| 670 |
|
|
if( preg_match( "|^HTTP/\S+ (\d+) |i", $this->replyString, $a )) { |
| 671 |
|
|
$this->reply = $a[1]; |
| 672 |
|
|
} else { |
| 673 |
|
|
$this->reply = EBADRESPONSE; |
| 674 |
|
|
} |
| 675 |
|
|
if( $this->debug & DBGINDATA ) echo "replyLine: $this->replyString\n"; |
| 676 |
|
|
|
| 677 |
|
|
// get response headers and body |
| 678 |
|
|
$this->responseHeaders = $this->processHeader(); |
| 679 |
|
|
$this->responseBody = $this->processBody(); |
| 680 |
|
|
// if( $this->responseHeaders['set-cookie'] ) |
| 681 |
|
|
// $this->addHeader( "cookie", $this->responseHeaders['set-cookie'] ); |
| 682 |
|
|
return $this->reply; |
| 683 |
|
|
} |
| 684 |
|
|
|
| 685 |
|
|
/** |
| 686 |
|
|
* processHeader() reads header lines from socket until the line equals $lastLine |
| 687 |
|
|
* @scope protected |
| 688 |
|
|
* @return array of headers with header names as keys and header content as values |
| 689 |
|
|
**/ |
| 690 |
|
|
function processHeader( $lastLine = CRLF ) |
| 691 |
|
|
{ |
| 692 |
|
|
if( $this->debug & DBGLOW ) echo "processHeader( [lastLine] )\n"; |
| 693 |
|
|
$headers = array(); |
| 694 |
|
|
$finished = false; |
| 695 |
|
|
|
| 696 |
|
|
while ( ( ! $finished ) && ( ! feof($this->socket)) ) { |
| 697 |
|
|
$str = fgets( $this->socket, 1024 ); |
| 698 |
|
|
if( $this->debug & DBGINDATA ) echo "HEADER : $str"; |
| 699 |
|
|
$finished = ( $str == $lastLine ); |
| 700 |
|
|
if ( !$finished ) { |
| 701 |
|
|
list( $hdr, $value ) = split( ": ", $str, 2 ); |
| 702 |
|
|
// nasty workaround broken multiple same headers (eg. Set-Cookie headers) @FIXME |
| 703 |
|
|
if( isset( $headers[$hdr]) ) |
| 704 |
|
|
$headers[$hdr] .= "; " . trim($value); |
| 705 |
|
|
else |
| 706 |
|
|
$headers[$hdr] = trim($value); |
| 707 |
|
|
} |
| 708 |
|
|
} |
| 709 |
|
|
return $headers; |
| 710 |
|
|
} |
| 711 |
|
|
|
| 712 |
|
|
/** |
| 713 |
|
|
* processBody() reads the body from the socket |
| 714 |
|
|
* the body is the "real" content of the reply |
| 715 |
|
|
* @return string body content |
| 716 |
|
|
* @scope private |
| 717 |
|
|
**/ |
| 718 |
|
|
function processBody() |
| 719 |
|
|
{ |
| 720 |
|
|
$failureCount = 0; |
| 721 |
|
|
if( $this->debug & DBGLOW ) echo "processBody()\n"; |
| 722 |
|
|
/* if( $this->responseHeaders['Content-Length'] ) |
| 723 |
|
|
{ |
| 724 |
|
|
$length = $this->responseHeaders['Content-Length']; |
| 725 |
|
|
$data = fread( $this->socket, $length ); |
| 726 |
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK socket_read using Content-Length ($length)\n"; |
| 727 |
|
|
|
| 728 |
|
|
} else {*/ |
| 729 |
|
|
|
| 730 |
|
|
$data = ""; |
| 731 |
|
|
$counter = 0; |
| 732 |
|
|
// socket_set_blocking( $this->socket, false ); |
| 733 |
|
|
do{ |
| 734 |
|
|
$status = socket_get_status( $this->socket ); |
| 735 |
|
|
if( $status['eof'] == 1 ) { |
| 736 |
|
|
if( $this->debug & DBGSOCK ) echo "DBG.SOCK status eof met, finished socket_read\n"; |
| 737 |
|
|
break; |
| 738 |
|
|
} |
| 739 |
|
|
if( $status['unread_bytes'] > 0 ) { |
| 740 |
|
|
$buffer = fread( $this->socket, $status['unread_bytes'] ); |
| 741 |
|
|
$counter = 0; |
| 742 |
|
|
} else { |
| 743 |
|
|
$buffer = fread( $this->socket, 1024 ); |
| 744 |
|
|
$failureCount++; |
| 745 |
|
|
usleep(2); |
| 746 |
|
|
} |
| 747 |
|
|
$data .= $buffer; |
| 748 |
|
|
if( $this->debug & DBGSOCK ) |
| 749 |
|
|
echo implode( " | ", $status ), "\n"; |
| 750 |
|
|
|
| 751 |
|
|
} while( $status['unread_bytes'] > 0 || $counter++ < 10 ); |
| 752 |
|
|
|
| 753 |
|
|
if( $this->debug & DBGSOCK ) { |
| 754 |
|
|
echo "DBG.SOCK Counter:$counter\nRead failure #: $failureCount\n"; |
| 755 |
|
|
echo " Socket status: "; print_r($status); |
| 756 |
|
|
} |
| 757 |
|
|
// socket_set_blocking( $this->socket, true ); |
| 758 |
|
|
// } |
| 759 |
|
|
return $data; |
| 760 |
|
|
} |
| 761 |
|
|
|
| 762 |
|
|
|
| 763 |
|
|
/** |
| 764 |
|
|
* Calculate and return the URI to be sent ( proxy purpose ) |
| 765 |
|
|
* @param the local URI |
| 766 |
|
|
* @return URI to be used in the HTTP request |
| 767 |
|
|
* @scope private |
| 768 |
|
|
**/ |
| 769 |
|
|
|
| 770 |
|
|
function makeUri( $uri ) |
| 771 |
|
|
{ |
| 772 |
|
|
$a = parse_url( $uri ); |
| 773 |
|
|
|
| 774 |
|
|
if( isset($a['scheme']) && isset($a['host']) ) { |
| 775 |
|
|
$this->url = $a; |
| 776 |
|
|
} else { |
| 777 |
|
|
unset( $this->url['query']); |
| 778 |
|
|
unset( $this->url['fragment']); |
| 779 |
|
|
$this->url = array_merge( $this->url, $a ); |
| 780 |
|
|
} |
| 781 |
|
|
if( $this->useProxy ) { |
| 782 |
|
|
$requesturi= "http://" . $this->url['host'] . ( empty($this->url['port']) ? "" : ":" . $this->url['port'] ) . $this->url['path'] . ( empty($this->url['query']) ? "" : "?" . $this->url['query'] ); |
| 783 |
|
|
} else { |
| 784 |
|
|
$requesturi = $this->url['path'] . (empty( $this->url['query'] ) ? "" : "?" . $this->url['query']); |
| 785 |
|
|
} |
| 786 |
|
|
return $requesturi; |
| 787 |
|
|
} |
| 788 |
|
|
|
| 789 |
|
|
} // end class Net_HTTP_Client |
| 790 |
|
|
|
| 791 |
|
|
|
| 792 |
|
|
?> |
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