Monday, 13 August 2012

Deploying Alfresco To Apache Server

This guide will detail a setup to deploy Alfresco Share to a live server using Tomcat and Apache with mod_jk and mod_ssl it also covers the deployment of the Alfresco's SharePoint interface using Apache with mod_proxy.

Setting up Tomcat

First let's set up a default context so there's no prefix path visible in the URL for Alfresco share. The proper way to do this is by creating the file $CATALINA_BASE/conf/[enginename]/[hostname]/ROOT.xml. When Tomcat is located at /opt/alfresco/tomcat/ the full path will be /opt/alfresco/tomcat/conf/Catalina/localhost/ROOT.xml. Create the following XML document inside the file:
<?xml version="1.0" encoding="UTF-8"?>
<Context path="" docBase="share.war">
The path attribute sets the context used in the URL. Using "" as the path thus means 'use as default'. The docBase attribute sets where the real webapp is. When using Alfresco Share this is share.war by default, it's not necessary to use the absolute path.
Now if you restart Tomcat you should be able to reach Alfresco Share at [host]:[port], without specifying the share prefix.
Next we need to setup a connector for Apache. It's possible this is already done on your Tomcat install by default, if not add the following in the Catalina Service section in $CATALINA_BASE/conf/server.xml:
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
Restart Tomcat again for the connector to be available.

Setting up Apache

If you haven't done already, install mod_jk (libapache2-mod-jk in Ubuntu).
First we define the workers, I used $CATALINA_BASE/conf/ as configuration file:
The name tomcat is arbitrary, so you can replace all occurrences with whatever you like.
Next point Apache to this configuration file. You can either edit your httpd.conf, or if you're using a distribution with a config dir setup (for example, /etc/apache2/conf.d/ in Ubuntu) create a file and add the following content:
JkWorkersFile /opt/alfresco/tomcat/conf/
Remember to use your own $CATALINA_BASE if it's not /opt/alfresco/tomcat/.
Finally, setup a virtualhost that will connect to Tomcat:
<VirtualHost *:80>
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^/(.*)$1 [R=301,L]
<VirtualHost *:443>
JkMount /* tomcat
SSLEngine on
SSLCertificateKeyFile /etc/ssl/private/certificate.pem
SSLCertificateFile /etc/ssl/private/certificate.crt
SSLCACertificateFile /etc/ssl/private/authority.crt
SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown \
downgrade-1.0 force-response-1.0
This will create a virtualhost at (replace this with your (sub)domain location), will force port 80/http to be redirected to port 443/https (forces the secure connection, the 301 will tell the browser it's a permanent redirect) and will serve all content (/*) using the worker tomcat as specified in our workers file (if you changed the name there, also change it here). Be sure to enter your own certificate information instead of what I entered.
You can extend this configuration file in the same way you'd normally do with Apache, so you can add rewrite rules etc..
Restart Apache for the configuration to have effect.

You now have Alfresco Share on a user friendly location, with a user friendly and secure setup. If Alfresco explorer is deployed on the same Tomcat instance, you can reach it at https://[host]/alfresco. Your other webapps should also still be reachable at their context path.

If you want to do the same with Alfresco with the SharePoint Protocol you'll have to set up another vhost in Apache, in this case we will use mod_proxy, like this:
<VirtualHost *:80>
RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^/(.*)$1 [R=301,L]
<VirtualHost *:443>
SSLEngine on
SSLCertificateKeyFile /etc/apache2/ssl/sharepoint.key
SSLCertificateFile /etc/apache2/ssl/sharepoint.crt
SSLCACertificateFile /etc/apache2/ssl/sharepoint.crt
SSLProxyEngine On
ProxyPass / http://localhost:7070/
ProxyPassReverse / http://localhost:7070/
ProxyPass /alfresco/ http://localhost:7070/alfresco/
ProxyPassReverse /alfresco/ http://localhost:7070/alfresco/
ProxyPass /share/ http://localhost:7070/share/
ProxyPassReverse /share/ http://localhost:7070/share/
ProxyPass /_vti_bin/ http://localhost:7070/_vti_bin/
ProxyPassReverse /_vti_bin/ http://localhost:7070/_vti_bin/
ProxyPass /_vti_inf.html http://localhost:7070/_vti_inf.html
ProxyPassReverse /_vti_inf.html http://localhost:7070/_vti_inf.html
ProxyPass /_vti_history/ http://localhost:7070/_vti_history/
ProxyPassReverse /_vti_history/ http://localhost:7070/_vti_history/
#RewriteCond %{SERVER_PORT} !443
#RewriteRule ^(.*)$$1 [R,L]
SetEnvIf User-Agent ".*MSIE.*" \
nokeepalive ssl-unclean-shutdown \
downgrade-1.0 force-response-1.0
Finally, on your Alfresco's file you'll have to set the following variables:
so that your Edit Online links are generated correctly.

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