[Gfoss] OpenLayers.ProxyHost

[Vin]

ok ci sono riuscito..
però funziona solo a momenti, poi si blocca, perchè?
non riesco a capire, il codice .php parrebbe funzionare.


http://www.pianificazioneterritoriale.it/webgis/test16.html


Ecco lo script proxy.php usato:

<?php
/*
License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
$Id: proxy.php 3650 2007-11-28 00:26:06Z rdewit $
$Name$
*/

////////////////////////////////////////////////////////////////////////////////
// Description:
// Script to redirect the request http://host/proxy.php?url=http://someUrl
// to http://someUrl .
//
// This script can be used to circumvent javascript's security requirements
// which prevent a URL from an external web site being called.
//
// Author: Nedjo Rogers
////////////////////////////////////////////////////////////////////////////////

// read in the variables

if(array_key_exists('HTTP_SERVERURL', $_SERVER)){
  $onlineresource=$_SERVER['HTTP_SERVERURL'];
}else{
  $onlineresource=$_REQUEST['url'];
}
$parsed = parse_url($onlineresource);
$host = @$parsed["host"];
$path = @$parsed["path"] . "?" . @$parsed["query"];
if(empty($host)) {
  $host = "localhost";
}
$port = @$parsed['port'];
if(empty($port)){
  $port="80";
}
$contenttype = @$_REQUEST['contenttype'];
if(empty($contenttype)) {
  $contenttype = "text/xml";
}
$data = @$GLOBALS["HTTP_RAW_POST_DATA"];
// define content type
header("Content-type: " . $contenttype);

if(empty($data)) {
  $result = send_request();
}
else {
  // post XML
  $posting = new HTTP_Client($host, $port, $data);
  $posting->set_path($path);
  $result = $posting->send_request();
}

// strip leading text from result and output result
$len=strlen($result);
$pos = strpos($result, "<");
if($pos > 1) {
  $result = substr($result, $pos, $len);
}
//$result = str_replace("xlink:","",$result);
echo $result;

// define class with functions to open socket and post XML
// from http://www.phpbuilder.com/annotate/message.php3?id=1013274 by
Richard Hundt

class HTTP_Client {
  var $host;
  var $path;
  var $port;
  var $data;
  var $socket;
  var $errno;
  var $errstr;
  var $timeout;
  var $buf;
  var $result;
  var $agent_name = "MyAgent";
  //Constructor, timeout 30s
  function HTTP_Client($host, $port, $data, $timeout = 30) {
    $this->host = $host;
    $this->port = $port;
    $this->data = $data;
    $this->timeout = $timeout;
  }

  //Opens a connection
  function connect() {
    $this->socket = fsockopen($this->host,
      $this->port,
      $this->errno,
      $this->errstr,
      $this->timeout
      );
    if(!$this->socket)
      return false;
    else
      return true;
  }

  //Set the path
  function set_path($path) {
    $this->path = $path;
  }

  //Send request and clean up
  function send_request() {
    if(!$this->connect()) {
      return false;
    }
    else {
      $this->result = $this->request($this->data);
      return $this->result;
    }
  }

  function request($data) {
    $this->buf = "";
    fwrite($this->socket,
      "POST $this->path HTTP/1.0\r\n".
      "Host:$this->host\r\n".
      "User-Agent: $this->agent_name\r\n".
      "Content-Type: application/xml\r\n".
      "Content-Length: ".strlen($data).
      "\r\n".
      "\r\n".$data.
      "\r\n"
    );

    while(!feof($this->socket))
      $this->buf .= fgets($this->socket, 2048);
      $this->close();
      return $this->buf;
  }


  function close() {
    fclose($this->socket);
  }
}



function send_request() {
  global $onlineresource;
  $ch = curl_init();
  $timeout = 5; // set to zero for no timeout

  // fix to allow HTTPS connections with incorrect certificates
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
  curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);

  curl_setopt ($ch, CURLOPT_URL,$onlineresource);
  curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
  curl_setopt ($ch, CURLOPT_ENCODING , "gzip, deflate");

  $file_contents = curl_exec($ch);
  curl_close($ch);
  $lines = array();
  $lines = explode("\n", $file_contents);
  if(!($response = $lines)) {
    echo "Unable to retrieve file '$service_request'";
  }
  $response = implode("",$response);
  return $response;
}
?>

2013/5/27 vinhez <vincenzo.pilloni a gmail.com>:
> Ok gentilissimo.
>
> io leggevo questo:
>
> http://khayer.wordpress.com/2010/07/14/open-layer-with-geosever/
>
> può essere un utile guida, una volta risolto ciò posterò il tutto..
>
> 2013/5/27 Paolo Corti [via Gfoss -- Geographic Free and Open Source
> Software - Italian mailing list]
> <[hidden email]>:
>
>> 2013/5/27 vinhez <[hidden email]>:
>>> Ottima idea, ma non ho garnde dimestichezza,
>>> sai se in rete esistono degli script in php che convertono quello
>>> script.cgi
>>>
>>
>> cercando "php proxy.cgi openlayers" su google questo e' uno dei primi
>> risultati:
>>
>> http://gis.stackexchange.com/questions/56829/how-to-configure-wfs-layer-with-openlayer-in-php-wampserver-with-windows
>>
>> ciao
>> p
>>
>> --
>> Paolo Corti
>> Geospatial software developer
>> web: http://www.paolocorti.net
>> twitter: @capooti
>> skype: capooti
>> _______________________________________________
>> [hidden email]
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>> 638 iscritti al 28.2.2013
>>
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>> below:
>>
>> http://gfoss-geographic-free-and-open-source-software-italian-mailing.3056002.n2.nabble.com/OpenLayers-ProxyHost-tp7582408p7582424.html
>
>> To unsubscribe from OpenLayers.ProxyHost, click here.
>> NAML
>
>
>
> --
> Vincenzo
>
> ________________________________
> View this message in context: Re: OpenLayers.ProxyHost
> Sent from the Gfoss -- Geographic Free and Open Source Software - Italian
> mailing list mailing list archive at Nabble.com.
>
> _______________________________________________
> Gfoss a lists.gfoss.it
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> 638 iscritti al 28.2.2013



-- 
Vincenzo