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1. Download the Latest Version of the Islandora Drupal Filter
Download the appropriate Drupal Filter file, and copy it to $FEDORA_HOME/tomcat/webapps/fedora/WEB-INF/lib
Place the file in:
$ wget https://github.com/Islandora/islandora_drupal_filter/releases/download/v7.1.3/fcrepo-drupalauthfilter-3.7.0.jar
$ cp -v fcrepo-drupalauthfilter-3.7.0.jar $FEDORA_HOME/tomcat/webapps/fedora/WEB-INF/lib
2. Make the Fedora Repository Aware of the New Filter
Navigate to $FEDORA_HOME/server/config and open the file jaas.conf in a text editor.
To allow the Drupal Servlet Filter to authenticate against Drupal’s database, replace the "fedora-auth" entry with the following lines that reference the DrupalServlet filters class files:
fedora-auth
{
org.fcrepo.server.security.jaas.auth.module.XmlUsersFileModule required
debug=true;
ca.upei.roblib.fedora.servletfilter.DrupalAuthModule required
debug=true;
};
Create the file filter-drupal.xml in $FEDORA_HOME/server/config using the following text as a template (or download a sample file from https://raw.github.com/Islandora/islandora_drupal_filter/master/filter-drupal.xml), then modify the attributes of the <connection> tag to match the server, port, database name, username and password of your site's Drupal database.
<!--File to hold drupal connection info for the FilterDrupal servlet filter. For multisite drupal installs you can include multiple
connection elements. We will query all the databases and assume any user in any drupal db with the same username and password are the same
user. We will gather all roles for that user from all databases. This is a potential security risk if a user in one drupal db has the same
username and password as another user in a separate drupaldb. We are also assuming all drupal dbs to be mysql. This file should be located
in the same directory as the fedora.cfcg file-->
<FilterDrupal_Connection>
<connection server="localhost" dbname="[drupal_database]" user="[drupal_db_user]" password="[drupla_db_password]" port="3306">
<sql>
<!--Different sql statement for each connection. This is for drupal multisites that are setup using one database with
table prefixes. We don't do this but some people might.-->
SELECT DISTINCT u.uid AS userid, u.name AS Name, u.pass AS Pass, r.name AS Role FROM (users u LEFT JOIN users_roles ON
u.uid=users_roles.uid) LEFT JOIN role r ON r.rid=users_roles.rid WHERE u.name=? AND u.pass=?;
</sql>
</connection>
</FilterDrupal_Connection>
Now change the owner to the user that runs the web server, as Islandora needs to modify the file:
# chown www-data:www-data filter-drupal.xml
4. Stop and Restart tomcat to load the filter
This will enable the Drupal Servlet Filter.
# $FEDORA_HOME/tomcat/bin/shutdown.sh
# $FEDORA_HOME/tomcat/bin/startup.sh
5. Test the Drupal Servlet Filter
Islandora will test your Fedora connection for you. To verify that the servlet filter is working properly, go to the Islandora configuration page (admin/islandora/configure) and look for the green checkmark. A successful installation will look like this:
![](/download/attachments/68063497/filter-happy.png?version=1&modificationDate=1425325065203&api=v2)
An unsuccessful installation will look like this:
![](/download/attachments/68063497/filter-broken.png?version=1&modificationDate=1425325065198&api=v2)
If you see this error, there are two possible sources for the failure:
- You do not have the correct fcrepo-
drupalauthfilter
-xxxx.jar - Your filter-drupal.xml is incorrect or missing
Create a milestone 3 snapshot backup:
# $FEDORA_HOME/tomcat/bin/shutdown.sh
# /etc/init.d/mysql stop
# /etc/init.d/apache stop
# cd /usr/local
# tar -cvzf fedora-milestone3.tar.gz fedora
# cd /var/lib
# tar -cvzf mysql-milestone3.tar.gz mysql
# cd /var/www
# tar -cvzf drupal-milestone3.tar.gz drupal
# /etc/init.d/mysql start
# $FEDORA_HOME/tomcat/bin/startup.sh
# /etc/init.d/apache start