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Bug #77889 URL in Location header not used
Submitted: 2019-04-14 04:06 UTC Modified: -
From: ASchmidt at Anamera dot net Assigned:
Status: Open Package: Streams related
PHP Version: 7.2.17 OS: Windows x64
Private report: No CVE-ID: None
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 [2019-04-14 04:06 UTC] ASchmidt at Anamera dot net
Description:
------------
For $host = 'www.finecars.cc', the HTML content is correctly received.

For $host = 'finecars.cc', the initial response is:
HTTP/1.1 301 Moved Permanently
Location: http://www.finecars.cc/

However, after that, PHP does NOT actually retrieve "www.finecars.cc" as defined in the Location header, but continues to retry the original URL "finecars.cc" until 'max_redirects' is exhausted.

Test script:
---------------
<?php
declare(strict_types=1);

$host = 'finecars.cc';

$headers = array(
    'Host'              =>  $host,
    'User-Agent'        =>  'Anamera/2.0',
    'Accept-Charset'    =>  'UTF-8',
    'Referer'           =>  ( '0' == $_SERVER['SERVER_PORT_SECURE'] ? 'http' : 'https' )."://{$_SERVER['SERVER_NAME']}{$_SERVER['REQUEST_URI']}",
    'Connection'        =>  'close',
    'Origin'            =>  ( '0' == $_SERVER['SERVER_PORT_SECURE'] ? 'http' : 'https' )."://{$_SERVER['SERVER_NAME']}",
);

$header_lines = [];
foreach ( $headers as $name => $entry )
    $header_lines[] = "{$name}: {$entry}";

$http_options = array(
    'http' => array(
        'protocol_version'  =>  1.1,
        'timeout'           =>  30,         // float: seconds.
        'follow_location'   =>  1,
        'max_redirects'     =>  5,
        'ignore_errors'		=>	true,       // fetch content even on failure status codes.
        
        'method'            =>	'GET',
        'header'            =>	$header_lines,
//      'user_agent'        =>  '',         // use: 'header'['User-Agent'].
//      'content'           =>  '',         // for POST and PUT.
    ),
);

$http_context = stream_context_create( $http_options );
$file = file_get_contents( "http://{$host}", false, $http_context );

var_dump( $http_options, $http_response_header );
die( 'Current PHP version: ' . phpversion() );
?>


Expected result:
----------------
  0 => string 'HTTP/1.1 301 Moved Permanently' (length=30)
  1 => string 'Content-Type: text/html; charset=UTF-8' (length=38)
  2 => string 'Location: http://www.finecars.cc/' (length=33)
  3 => string 'Connection: close' (length=17)
  4 => string 'Content-Length: 146' (length=19)
  5 => string 'HTTP/1.1 200 OK' (length=15)
  6 => string 'Content-Type: text/html;charset=iso-8859-1' (length=42)
  7 => string 'Connection: close' (length=17)
  8 => string 'Content-Length: 87608' (length=21)



Actual result:
--------------
  0 => string 'HTTP/1.1 301 Moved Permanently' (length=30)
  1 => string 'Content-Type: text/html; charset=UTF-8' (length=38)
  2 => string 'Location: http://www.finecars.cc/' (length=33)
  3 => string 'Connection: close' (length=17)
  4 => string 'Content-Length: 146' (length=19)
  5 => string 'HTTP/1.1 301 Moved Permanently' (length=30)
  6 => string 'Content-Type: text/html; charset=UTF-8' (length=38)
  7 => string 'Location: http://www.finecars.cc/' (length=33)
  8 => string 'Connection: close' (length=17)
  9 => string 'Content-Length: 146' (length=19)  
  10 => string 'HTTP/1.1 301 Moved Permanently' (length=30)
  11 => string 'Content-Type: text/html; charset=UTF-8' (length=38)
  12 => string 'Location: http://www.finecars.cc/' (length=33)
  13 => string 'Connection: close' (length=17)
  14 => string 'Content-Length: 146' (length=19)
etc.



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