From 90707e63cfc7610b9ffb3c03f765524224610d0f Mon Sep 17 00:00:00 2001
From: david <david@socialnerds.org>
Date: Sat, 12 Nov 2016 13:44:27 +0100
Subject: [PATCH] added email forwarding feature

---
 README.md         |  5 ++++
 app.py            | 69 ++++++++++++++++++++++++++++++++++++++++++++++-
 views/default.tpl | 30 +++++++++++++++++----
 3 files changed, 98 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index 056aa1a..7cf57c8 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,11 @@ Apache vhost config:
 	ServerName accounts.domain.tld
 	DocumentRoot /var/www/accounts/static
 
+  <Directory />
+    Options FollowSymLinks
+    AllowOverride None
+  </Directory>
+
 	ErrorLog ${APACHE_LOG_DIR}/accounts_ssl_error.log
 	LogLevel warn
 	CustomLog ${APACHE_LOG_DIR}/accounts_ssl_access.log combined
diff --git a/app.py b/app.py
index 4cd6b0a..c69c069 100644
--- a/app.py
+++ b/app.py
@@ -136,6 +136,20 @@ def get_domains():
         i+=1
     return domains
 
+# get forwarding alias for user
+def get_forward(username):
+    a = requests.get(miab_url + "/mail/aliases?format=json", auth=(miab_admin, miab_passwd))
+    aliases = a.json()
+    i=0
+    while i < len(aliases):
+        j=0
+        while j < len(aliases[i]['aliases']):
+            if aliases[i]['aliases'][j]['address'] == username:
+                forward = aliases[i]['aliases'][j]['forwards_to'][0]
+                return forward
+            j+=1
+        i+=1
+    return None
 
 # routing
 
@@ -146,8 +160,9 @@ def home():
     message = request.get_cookie(cookie_name + "_message", secret=cookie_secret)
     if username:
         aliases = get_aliases(username)
+        forward = get_forward(username)
         # render homepage
-        return template('default', username=username, app_name=app_name, message=message, aliases=aliases, max_aliases=max_aliases)
+        return template('default', username=username, app_name=app_name, message=message, aliases=aliases, max_aliases=max_aliases, forward=forward)
     else:
         # render login
         message = request.get_cookie(cookie_name + "_message", secret=cookie_secret)
@@ -279,6 +294,56 @@ def delete_alias():
     else:
         redirect('/')
 
+# configure email forwarding
+@post('/forward/add')
+def add_forward():
+    username = logged_in()
+    forward = request.forms.get('forward')
+    if username:
+        if get_forward(username):
+            message = { "message": "Email forwarding is already configured", "alert": "danger" }
+            response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+            redirect('/')
+        else:
+            data = { "address": username, "forwards_to": forward }
+            c = requests.post(miab_url + "/mail/aliases/add", data=data, auth=(miab_admin, miab_passwd))
+            if c.status_code == 200:
+                message = { "message": "Email forwarding to " + str(forward) + " has been configured successfully", "alert": "success" }
+                response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+                redirect('/')
+            else:
+                message = { "message": "Something went wrong while configuring email forwarding", "alert": "danger" }
+                response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+                redirect('/')
+    else:
+        redirect('/')
+
+# deconfigure email forwarding
+@post('/forward/delete')
+def delete_forward():
+    username = logged_in()
+    forward = request.forms.get('forward')
+    if username:
+        forwarded = get_forward(username)
+        if forward == forwarded:
+            data = { "address": username, }
+            d = requests.post(miab_url + "/mail/aliases/remove", data=data, auth=(miab_admin, miab_passwd))
+            if d.status_code == 200:
+                message = { "message": "Email forwarding has been deconfigured successfully", "alert": "success" }
+                response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+                redirect('/')
+            else:
+                message = { "message": "Something went wrong while deconfiguring email forwarding", "alert": "danger" }
+                response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+                redirect('/')
+        else:
+            message = { "message": "Your delete request does not match the configured forwarding", "alert": "danger" }
+            response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
+            redirect('/')
+    else:
+        redirect('/')
+
+
 
 @post('/delete')
 def delete_account():
@@ -301,6 +366,8 @@ def delete_account():
             message = { "message": "Your supplied password is wrong", "alert": "danger" }
             response.set_cookie(cookie_name + "_message", message, secret=cookie_secret, max_age=5, path="/")
             redirect('/')
+    else:
+        redirect('/')
 
 
 
diff --git a/views/default.tpl b/views/default.tpl
index 7e7bcb2..97ba9b6 100644
--- a/views/default.tpl
+++ b/views/default.tpl
@@ -81,16 +81,36 @@
                   <input name="add" type="email" class="form-control" id="ceatealiasInput" placeholder="alias@socialnerds.org">
                 </div>
                 <button type="submit" class="btn btn-primary">create</button>
-              %else:
-                <div class="form-group">
-                  <input name="add" type="email" class="form-control" id="ceatealiasInput" placeholder="alias@socialnerds.org" disabled>
-                </div>
-                <button type="submit" class="btn btn-primary" disabled>create</button>
               %end
             </form>
           </p>
       </div>
 
+      <div class="starter-template">
+        <h2>Forward all emails</h2>
+          <hr>
+          <p>Entering an external email address here will forward all incoming mails.
+            <br><small>incl. incoming mails on aliases.</small>
+          </p>
+          %if forward:
+          <form class="form-inline" action="/forward/delete" method="post">
+            <div class="form-group">
+              <input type="email" class="form-control" id="forwardemailInput" value="{{ forward }}" disabled>
+              <input name="forward" type="hidden" class="form-control" id="forwardemailInput2" value="{{ forward }}">
+            </div>
+            <button type="submit" class="btn btn-primary btn-danger">delete</button>
+          </form>
+          %else:
+          <form class="form-inline" action="/forward/add" method="post">
+            <div class="form-group">
+              <input name="forward" type="email" class="form-control" id="forwardemailInput" placeholder="Email address">
+            </div>
+            <button type="submit" class="btn btn-primary">forward</button>
+          </form>
+          %end
+
+      </div>
+
       <div class="starter-template">
         <h2>Delete account</h2>
           <hr>