# HG changeset patch
# User Dirk Olmes <dirk@xanthippe.ping.de>
# Date 1380768186 -7200
# Node ID ba3f2e5c695021b643154b6e1587ba893bf2a455
# Parent  cf946b0154747619ded94c8ce6f132e6a4d303f2
add a blog post on commons-httpclient

diff -r cf946b015474 -r ba3f2e5c6950 content/Java/commons-httpclient-vs-self-signed-certs.md
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/Java/commons-httpclient-vs-self-signed-certs.md	Thu Oct 03 04:43:06 2013 +0200
@@ -0,0 +1,24 @@
+Title: Apache commons-httpclient vs. self signed certificates
+Date: 2013-10-03
+Tags: httpclient
+Lang: en
+
+Recently I tried to retrieve HTML pages from a host that was using self signed HTTPS certificates. I used the excellent [Apache commons httpclient](http://hc.apache.org/httpcomponents-client-4.2.x/index.html) for the job. Their [tutorial](http://hc.apache.org/httpcomponents-client-4.2.x/tutorial/html/) is quite extensive and even gives examples about some customizations that can be made in the context of SSL. But being a good open source documentation, the tutorial only tells you the tiny details of tweaking individual settings, leaving the big picture for you to figure out. 
+
+So how does all the talk about socket factories and SSLContext and friends go together with your [HttpClient](http://hc.apache.org/httpcomponents-client-ga/httpclient/apidocs/org/apache/http/client/HttpClient.html)?
+
+Let's assume you already have a HttpClient instance at hand:
+
+    HttpClient client = new DefaultHttpClient();
+
+Now let's configure all the socket factories and stuff that's required to make HTTPS traffic with self signed certificates work:
+
+    TrustStrategy trustStrategy = new TrustSelfSignedStrategy();
+    X509HostnameVerifier hostnameVerifier = SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER;
+    SchemeSocketFactory socketFactory = new SSLSocketFactory(trustStrategy, hostnameVerifier);
+
+And now let's put it all together:
+
+    Scheme https = new Scheme("https", 443, socketFactory);
+    SchemeRegistry registry = client.getConnectionManager().getSchemeRegistry();
+    registry.register(https);