From ccd2cad4f1b2dc5caf9d679f27975e885ea65f4e Mon Sep 17 00:00:00 2001
From: Florent Daigniere <nextgens@freenetproject.org>
Date: Thu, 10 Mar 2022 10:00:51 +0100
Subject: [PATCH] Autodiscovery microsoft style

---
 core/admin/mailu/internal/views/autoconfig.py | 36 +++++++++++++++++--
 core/nginx/conf/nginx.conf                    | 10 ++++--
 2 files changed, 42 insertions(+), 4 deletions(-)

diff --git a/core/admin/mailu/internal/views/autoconfig.py b/core/admin/mailu/internal/views/autoconfig.py
index 3538e756..b93794b3 100644
--- a/core/admin/mailu/internal/views/autoconfig.py
+++ b/core/admin/mailu/internal/views/autoconfig.py
@@ -37,6 +37,38 @@ def autoconfig_mozilla():
 <descr lang=\"en\">Configure your email client</descr>
 </documentation>
 </emailProvider>
-</clientConfig>\r\n
-'''
+</clientConfig>\r\n'''
+    return flask.Response(xml, mimetype='text/xml', status=200)
+
+@internal.route("/autoconfig/microsoft")
+def autoconfig_microsoft():
+    # https://docs.microsoft.com/en-us/previous-versions/office/office-2010/cc511507(v=office.14)?redirectedfrom=MSDN#Anchor_3
+    hostname = app.config['HOSTNAME']
+    xml = f'''<?xml version=\"1.0\" encoding=\"utf-8\" ?>
+<Autodiscover xmlns=\"https://schemas.microsoft.com/exchange/autodiscover/responseschema/2006\">
+<Response xmlns=\"https://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a\">
+<Account>
+<AccountType>email</AccountType>
+<Action>settings</Action>
+<Protocol>
+<Type>IMAP</Type>
+<Server>{hostname}</Server>
+<Port>993</Port>
+<DomainRequired>on</DomainRequired>
+<SPA>off</SPA>
+<SSL>on</SSL>
+<AuthRequired>on</AuthRequired>
+</Protocol>
+<Protocol>
+<Type>SMTP</Type>
+<Server>{hostname}</Server>
+<Port>465</Port>
+<DomainRequired>on</DomainRequired>
+<SPA>off</SPA>
+<SSL>on</SSL>
+<AuthRequired>on</AuthRequired>
+</Protocol>
+</Account>
+</Response>
+</Autodiscover>\r\n'''
     return flask.Response(xml, mimetype='text/xml', status=200)
diff --git a/core/nginx/conf/nginx.conf b/core/nginx/conf/nginx.conf
index 6d416c16..87775f80 100644
--- a/core/nginx/conf/nginx.conf
+++ b/core/nginx/conf/nginx.conf
@@ -121,8 +121,14 @@ http {
       add_header Referrer-Policy 'same-origin';
 
       # mozilla autoconfiguration
-      location ^~ /.well-known/autoconfig/mail/config-v1.1.xml {
-        rewrite /.well-known/autoconfig/mail/config-v1.1.xml /internal/autoconfig/mozilla break;
+      location ~ ^/(\.well\-known/autoconfig/)?mail/config\-v1\.1\.xml {
+        rewrite ^ /internal/autoconfig/mozilla break;
+        include /etc/nginx/proxy.conf;
+        proxy_pass http://$admin;
+      }
+      # microsoft autoconfiguration
+      location ~* ^/Autodiscover/Autodiscover.xml {
+        rewrite ^ /internal/autoconfig/microsoft break;
         include /etc/nginx/proxy.conf;
         proxy_pass http://$admin;
       }