From 22b4bd78a10b49272cfd345d379703cae4ab5d3d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Thu, 7 May 2020 10:40:43 +0200
Subject: Use ldap instead of mysql to fetch mailboxes

---
 modules/private/mail/relay.nix | 53 ++++++++++++++++++++----------------------
 1 file changed, 25 insertions(+), 28 deletions(-)

(limited to 'modules/private/mail/relay.nix')

diff --git a/modules/private/mail/relay.nix b/modules/private/mail/relay.nix
index 52288fc..651452c 100644
--- a/modules/private/mail/relay.nix
+++ b/modules/private/mail/relay.nix
@@ -43,29 +43,19 @@
           '';
       }
       {
-        dest = "postfix/mysql_mailbox_maps";
+        dest = "postfix/ldap_mailboxes";
         user = config.services.postfix.user;
         group = config.services.postfix.group;
         permissions = "0440";
         text = ''
-          # We need to specify that option to trigger ssl connection
-          tls_ciphers = TLSv1.2
-          user = ${config.myEnv.mail.postfix.mysql.user}
-          password = ${config.myEnv.mail.postfix.mysql.password}
-          hosts = ${config.myEnv.mail.postfix.mysql.remoteHost}
-          dbname = ${config.myEnv.mail.postfix.mysql.database}
-          query = SELECT DISTINCT 1
-            FROM mailboxes
-            WHERE active = 1
-            AND (
-              (domain = '%d' AND user = '%u' AND regex = 0)
-              OR (
-                regex = 1
-                AND '%d' REGEXP CONCAT('^',domain,'$')
-                AND '%u' REGEXP CONCAT('^',user,'$')
-              )
-            )
-            LIMIT 1
+          server_host = ldaps://${config.myEnv.mail.dovecot.ldap.host}:636
+          search_base = ${config.myEnv.mail.dovecot.ldap.base}
+          query_filter = ${config.myEnv.mail.dovecot.ldap.postfix_mailbox_filter}
+          bind_dn = ${config.myEnv.mail.dovecot.ldap.dn}
+          bind_pw = ${config.myEnv.mail.dovecot.ldap.password}
+          result_attribute = immaePostfixAddress
+          result_format = dummy
+          version = 3
         '';
       }
       {
@@ -78,7 +68,19 @@
           user = ${config.myEnv.mail.sympa.postgresql.user}
           password = ${config.myEnv.mail.sympa.postgresql.password}
           dbname = ${config.myEnv.mail.sympa.postgresql.database}
-          query = SELECT DISTINCT CONCAT(name_list, '@', robot_list) FROM list_table
+          query = SELECT DISTINCT 1 FROM list_table WHERE '%s' IN (
+              CONCAT(name_list, '@', robot_list),
+              CONCAT(name_list, '-request@', robot_list),
+              CONCAT(name_list, '-editor@', robot_list),
+              CONCAT(name_list, '-unsubscribe@', robot_list),
+              CONCAT(name_list, '-owner@', robot_list),
+              CONCAT('sympa-request@', robot_list),
+              CONCAT('sympa-owner@', robot_list),
+              CONCAT('sympa@', robot_list),
+              CONCAT('listmaster@', robot_list),
+              CONCAT('bounce@', robot_list),
+              CONCAT('abuse-feedback-report@', robot_list)
+            )
         '';
       }
       {
@@ -107,9 +109,9 @@
       restart = true;
       paths = [
         config.secrets.fullPaths."postfix/mysql_alias_maps"
-        config.secrets.fullPaths."postfix/mysql_mailbox_maps"
         config.secrets.fullPaths."postfix/sympa_mailbox_maps"
         config.secrets.fullPaths."postfix/ldap_ejabberd_users_immae_fr"
+        config.secrets.fullPaths."postfix/ldap_mailboxes"
       ];
     };
     services.postfix = {
@@ -151,12 +153,8 @@
             )
           );
         };
-        sasl_access = {
-          host_dummy_mailboxes = pkgs.writeText "host-virtual-mailbox"
-            (builtins.concatStringsSep "\n" (lib.attrsets.mapAttrsToList (n: v: "${n}@immae.eu  1") nodes));
-        };
       in
-        recipient_maps // relay_restrictions // virtual_map // sasl_access;
+        recipient_maps // relay_restrictions // virtual_map;
       config = {
         ### postfix module overrides
         readme_directory = "${pkgs.postfix}/share/postfix/doc";
@@ -194,8 +192,7 @@
             "ldap:${config.secrets.fullPaths."postfix/ldap_ejabberd_users_immae_fr"}"
           ];
           virtual_mailbox_maps = [
-            "hash:/etc/postfix/host_dummy_mailboxes"
-            "mysql:${config.secrets.fullPaths."postfix/mysql_mailbox_maps"}"
+            "ldap:${config.secrets.fullPaths."postfix/ldap_mailboxes"}"
             "pgsql:${config.secrets.fullPaths."postfix/sympa_mailbox_maps"}"
           ];
         in
-- 
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