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[2008-02-25 22:03 UTC] jboffel at gmail dot com
Description:
------------
Configure line :
No need for a configure line here, just need the php extension soap.so
Setup :
You have to make a soap call on an https based webservice through an Apache proxy (Apache or any proxy which is following rfc2616).
Explanation :
When you make an HTTPS connection in HTTP/1.1 through a proxy you MUST include an host parameter in the HTTP header like that :
CONNECT uri-test:443 HTTP/1.1
Host: uri-test
And what's done today is :
CONNECT uri-test:443 HTTP/1.1
So we're clearly missing the Host parameter like explaining below,
rfc2616 require this :
A client MUST include a Host header field in all HTTP/1.1 request
messages . If the requested URI does not include an Internet host
name for the service being requested, then the Host header field MUST
be given with an empty value. An HTTP/1.1 proxy MUST ensure that any
request message it forwards does contain an appropriate Host header
field that identifies the service being requested by the proxy. All
Internet-based HTTP/1.1 servers MUST respond with a 400 (Bad Request)
status code to any HTTP/1.1 request message which lacks a Host header
field.
The problem is based in php_http.c in ext/soap/ of ANY existing version of PHP (not only 5.2.5)
Well, there is two possible fix at least :
1) Add after line 169 :
smart_str_append_const(&soap_headers, "Host: ");
smart_str_appends(&soap_headers, phpurl->host);
smart_str_append_const(&soap_headers, "\r\n");
The problem here is that I'm NOT sure that every time in HTTPS connection we need to put exactly the value of phpurl-host.
For example I don't know if it's possible to be in a situation like this : (IP like x.x.x.x)
CONNECT IP:443 HTTP/1.1
Host: www.test.com
If yes, this fix is not perfect.
2) Modify line 169 from :
smart_str_append_const(&soap_headers, " HTTP/1.1\r\n");
to :
smart_str_append_const(&soap_headers, " HTTP/1.0\r\n");
Of course solution 2 force us to downgrade to protocol HTTP/1.0 which won't be able to access HTTPS virtualhosted website on a single IP address.
Reproduce code:
---------------
Short script :
<?php
$client = new SoapClient("some.wsdl", array('proxy_host'=>"localhost", 'proxy_port'=> 8080,'uri'=>"https://test-uri/"));
$client->SomeFunction($a, $b, $c);
?>
Expected result:
----------------
HTTP header like that :
CONNECT uri-test:443 HTTP/1.1
Host: uri-test
Actual result:
--------------
CONNECT uri-test:443 HTTP/1.1
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Last updated: Thu Nov 21 13:01:29 2024 UTC |
sorry small mistake on my previous comment... Good fix is: smart_str_append_const(&soap_headers, "Host: "); smart_str_appends(&soap_headers, phpurl->host); if (phpurl->port != 80) { smart_str_append_const(&soap_headers, ":"); smart_str_append_unsigned(&soap_headers, phpurl->port); } smart_str_append_const(&soap_headers, "\r\n");