Add an Authentication prop to use SOGo's internal auth

root/etc/e-smith/templates/etc/dovecot/dovecot.conf/014AuthCache

@@ -1,3 +1,17 @@
-auth_cache_size = { $dovecot{'AuthCacheSize'} || '5242880' }
-auth_cache_ttl = 7200
-auth_cache_negative_ttl = 0
+{
+# Only enable auth cache if SOGo is using CAS
+my $sogo_auth = $sogod{'Authentication'} || 'cas';
+if (lc $sogo_auth eq 'cas'){
+  my $size = $dovecot{'AuthCacheSize'} || '5242880';
+  my $ttl = $dovecot{'AuthCacheTTL'} || '7200';
+  my $neg_ttl = $dovecot{'AuthCacheNegativeTTL'} || '0';
+  $OUT .=<<"EOF";
+auth_cache_size = $size
+auth_cache_ttl = $ttl
+auth_cache_negative_ttl = $neg_ttl
+EOF
+}
+else{
+  $OUT .= "# No auth cache as SOGo doesn't use CAS";
+}
+}

root/etc/e-smith/templates/etc/pam.d/dovecot/05cas

@@ -1,5 +1,6 @@
 {
-if (-d '/var/service/dovecot'){
+my $auth = $sogod{'Authentication'} || 'cas';
+if (lc $auth eq 'cas'){
     $OUT .=<<"HERE";
 auth    sufficient      pam_cas.so -simap://localhost -f/etc/pam_cas.conf
 HERE

root/etc/e-smith/templates/etc/sogo/sogo.conf/55authSource

@@ -56,8 +56,8 @@
             \}
         );
 {
-    # is smeserver-dovecot installed ?
-    if (-d '/var/service/dovecot'){
+    my $auth = $sogod{'Authentication'} || 'cas';
+    if (lc $auth eq 'cas'){
         $OUT .=<<"HERE";
         SOGoAuthenticationType = cas;
         SOGoCASServiceURL = "https://auth.$DomainName/cas/";