[enh] Patch ownCloud to config the logout URL and set it to SSOwat one

README.md

@@ -29,8 +29,6 @@ or from the Web administration:
 ## TODO
 
  * Test the upgrade from the current official package
- * Develop an app to integrate SSOwat logout - see
-   [here](https://doc.owncloud.org/server/9.0/developer_manual/app/hooks.html#session)
  * Update the external storage plugin configuration - see
    [here](https://doc.owncloud.org/server/9.0/admin_manual/configuration_server/occ_command.html#files-external-label)
  * Rescan filesystem at upgrade and restoration - see

patches/00-add-logout_url-conf.patch

@@ -0,0 +1,15 @@
+--- a/lib/base.php	2016-04-04 21:26:47.281448433 +0200
++++ b/lib/base.php	2016-04-04 21:27:16.034283534 +0200
+@@ -920,8 +920,10 @@
+ 					\OC::$server->getConfig()->deleteUserValue(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
+ 				}
+ 				OC_User::logout();
+-				// redirect to webroot and add slash if webroot is empty
+-				header("Location: " . \OC::$server->getURLGenerator()->getAbsoluteURL('/'));
++				// Use system config or redirect to webroot and add slash if webroot is empty
++				$redirect_url = $systemConfig->getValue('logout_url',
++					\OC::$server->getURLGenerator()->getAbsoluteURL('/'));
++				header("Location: " . $redirect_url);
+ 			} else {
+ 				// Redirect to default application
+ 				OC_Util::redirectToDefaultPage();

scripts/_common.sh

@@ -46,6 +46,12 @@ extract_owncloud() {
   exec_as "$AS_USER" tar xjf "$oc_tarball" -C "$DESTDIR" --strip-components 1 \
     || die "Unable to extract ownCloud tarball"
   rm -f "$oc_tarball"
+
+  # apply patches
+  (cd "$DESTDIR" \
+   && for p in ${PKGDIR}/patches/*.patch; do \
+        exec_as "$AS_USER" patch -p1 < $p; done) \
+    || die "Unable to apply patches to ownCloud"
 }
 
 # Execute a command as another user

scripts/install

@@ -111,6 +111,16 @@ sudo rm -f "$oc_conf"
 _exec_occ ldap:test-config \'\' \
   || die "An error occured during LDAP configuration"
 
+# Add dynamic logout URL to the config
+_exec_occ config:system:get logout_url >/dev/null 2>&1 \
+  || sudo su -c "echo \"
+//-YunoHost-
+// set logout_url according to main domain
+\\\$main_domain = exec('cat /etc/yunohost/current_host');
+\\\$CONFIG['logout_url'] = 'https://'.\\\$main_domain.'/yunohost/sso/?action=logout';
+//-YunoHost-
+\" >> ${DESTDIR}/config/config.php" -- $app
+
 # Set the user as admin and delete admin user
 ynh_mysql_connect_as $dbuser $dbpass $dbname \
     <<< "INSERT INTO oc_group_user VALUES ('admin','$admin');"

scripts/upgrade

@@ -103,6 +103,17 @@ _exec_occ app:enable user_ldap
 _exec_occ config:import "$oc_conf"
 sudo rm -f "$oc_conf"
 
+# Add dynamic logout URL to the config
+# TODO: if changes are made to this section, replace it with new one.
+_exec_occ config:system:get logout_url >/dev/null 2>&1 \
+  || sudo su -c "echo \"
+//-YunoHost-
+// set logout_url according to main domain
+\\\$main_domain = exec('cat /etc/yunohost/current_host');
+\\\$CONFIG['logout_url'] = 'https://'.\\\$main_domain.'/yunohost/sso/?action=logout';
+//-YunoHost-
+\" >> ${DESTDIR}/config/config.php" -- $app
+
 # Iterate over users to extend their home folder permissions - for the external
 # storage plugin usage - and create relevant ownCloud directories
 for u in $(ynh_user_list); do