force basic auth on all pages

.gitignore

@@ -144,3 +144,6 @@ cython_debug/
 # Project specific
 message.txt
 config.py
+inventory.txt
+ansible/host_vars/*
+!.keep

README.md

@@ -8,7 +8,7 @@ used in Uberspace.de environments.
 1. Clone Repo, e.g. to `/home/YOURUSERNAME/autoreply-editor`
 2. Create `config.py` and `message.txt` from their sample files
 3. Install requirements: `pip3 install -r requirements.txt --user`
-4. Create web backend on uberspace: `uberspace web backend app.example.com --http --port 5000`
+4. Create web backend on uberspace: `uberspace web backend set app.example.com --http --port 5000`
 5. Create a service in `~/etc/services.d/autoreply-editor.ini`:
 
 ```
@@ -36,7 +36,7 @@ to "| mailbot -T reply -t $HOME/autoreply-editor/message.txt -d $HOME/autorespon
 
 Make sure that the file permissions are `0600`!
 
-Afterwards, also create the directory `~/autoreply` if necessary.
+Afterwards, also create the directory `~/autoresponders` if necessary.
 
 ### .qmail file
 

ansible/ansible.cfg

@@ -0,0 +1,3 @@
+[defaults]
+interpreter_python = python3
+inventory = inventory.txt

ansible/group_vars/all.yml

@@ -0,0 +1,3 @@
+---
+message_file: message.txt
+port: 5000

ansible/playbook.yml

@@ -0,0 +1,60 @@
+- hosts: autoreply_editor
+  gather_facts: true
+  tasks:
+    - name: Get newest version of autoreply-editor
+      git:
+        repo: https://src.mehl.mx/mxmehl/autoreply-editor.git
+        dest: autoreply-editor
+
+    - name: Deploy config file
+      template:
+        src: config.py.j2
+        dest: autoreply-editor/config.py
+
+    - name: Create empty message file if it does not exist
+      copy:
+        content: ""
+        dest: "autoreply-editor/{{ message_file }}"
+        force: no
+
+    - name: Install specified python requirements
+      pip:
+        requirements: requirements.txt
+        chdir: autoreply-editor
+        extra_args: --user
+
+    - name: Register domain for service
+      command: "uberspace web domain add {{ domain }}"
+      register: cmdrtrn
+      failed_when:
+        # Adding an already registered domain fails, but we ignore this specific error
+        - cmdrtrn.rc != 0
+        - "'It is already configured for your Uberspace account' not in cmdrtrn.stderr"
+
+    - name: Create web backend for service
+      command: "uberspace web backend set {{ domain }} --http --port {{ port }}"
+
+    - name: Deploy supervisord service
+      template:
+        src: autoreply-editor.ini.j2
+        dest: etc/services.d/autoreply-editor.ini
+      notify: reload supervisord
+
+    - name: Create autoresponders directory
+      file:
+        path: autoresponders
+        state: directory
+
+    - name: Create autoreply mailbot filter
+      template:
+        src: filter-autoreply.j2
+        dest: .filter-autoreply
+        mode: 0600
+
+  handlers:
+    - name: reread supervisord
+      command: supervisorctl reread
+      listen: reload supervisord
+    - name: update supervisord
+      command: supervisorctl update
+      listen: reload supervisord

ansible/templates/autoreply-editor.ini.j2

@@ -0,0 +1,4 @@
+[program:autoreply-editor]
+directory=/home/{{ ansible_user_id }}/autoreply-editor
+command=gunicorn --bind 0.0.0.0:{{ port }} wsgi:app
+startsecs=60

ansible/templates/config.py.j2

@@ -0,0 +1,3 @@
+MESSAGE_FILE = "{{ message_file }}"
+BASIC_AUTH_USERNAME = "{{ auth_user }}"
+BASIC_AUTH_PASSWORD = "{{ auth_pass }}"

ansible/templates/filter-autoreply.j2

@@ -0,0 +1,5 @@
+logfile "$HOME/mailfilter-autoreply.log"
+
+FROM="{{ mail_from }}"
+
+to "| mailbot -T reply -t $HOME/autoreply-editor/{{ message_file }} -d $HOME/autoresponders/autoresponsedb -N -A 'From: $FROM' /var/qmail/bin/qmail-inject -f ''"

autoreply_editor/__init__.py

@@ -4,4 +4,5 @@ app = Flask(__name__)
 
 import autoreply_editor.main
 
+app.config['BASIC_AUTH_FORCE'] = True
 app.config.from_pyfile("../config.py")

autoreply_editor/main.py

@@ -1,25 +1,77 @@
 """Provide basic settings and views"""
 
-from flask import request, render_template, redirect
+import fileinput
+import re
+from pathlib import Path
+from flask import request, render_template
 from flask_basicauth import BasicAuth
 from autoreply_editor import app
 
 basic_auth = BasicAuth(app)
 
+qmail_prefix = f"{str(Path.home())}/.qmail-"
+maildrop_line = "|maildrop $HOME/.filter-autoreply"
+
+def qmail_status(user):
+    """Find out whether the filter is currently activated for the given mail user"""
+    with open(f"{qmail_prefix}{user}", encoding="utf8") as dotqmail:
+        # TODO: RE not necessary here
+        if not re.search(
+            r"^\|maildrop \$HOME/\.filter-autoreply$", dotqmail.read(), re.MULTILINE
+        ):
+            return False
+        else:
+            return True
+
+
 @app.route("/")
 def index():
-    with open(app.config.get("MESSAGE_FILE"), "r") as f:
-        message = f.read()
+    with open(app.config.get("MESSAGE_FILE"), "r", encoding="utf-8") as messagefile:
+        message = messagefile.read()
 
-    return render_template("index.html", message=message)
+    return render_template(
+        "index.html",
+        message=message,
+        qmail_status=qmail_status(app.config.get("MAIL_USER")),
+    )
 
-@app.route('/', methods=['POST'])
+
+@app.route("/", methods=["POST"])
 def index_post():
-    input_message = request.form['message']
+    if request.method == "POST":
+        if request.form["action"] == "message":
+            input_message = request.form["message"]
+            with open(
+                app.config.get("MESSAGE_FILE"), "w", encoding="utf-8"
+            ) as messagefile:
+                messagefile.write(str(input_message))
+                result = "Success: The autoreply message has been updated!"
 
-    if request.method == 'POST':
-        with open(app.config.get("MESSAGE_FILE"), 'w') as f:
-            f.write(str(input_message))
-            result = "Success: The autoreply message has been updated!"
+        if request.form["action"] == "qmail":
+            # define whether to set a comment
+            if request.form["status"] == "on":
+                preis = "#"
+                preshould = ""
+            else:
+                preis = ""
+                preshould = "#"
 
-    return render_template("result.html", result=result)
+            with fileinput.FileInput(
+                f"{qmail_prefix}{app.config.get('MAIL_USER')}",
+                inplace=True,
+                backup=".bak",
+            ) as dotqmail:
+                for line in dotqmail:
+                    print(
+                        line.replace(
+                            f"{preis}{maildrop_line}", f"{preshould}{maildrop_line}"
+                        ),
+                        end="",
+                    )
+
+            result = f"Success: the autoreply is now {request.form['status']}."
+
+    try:
+        return render_template("result.html", result=result)
+    except UnboundLocalError:
+        return render_template("result.html", result="Something went terribly wrong!")

autoreply_editor/templates/index.html

@@ -6,11 +6,30 @@
 <body>
   <h1>Autoreply Editor</h1>
 
+  <h2>Toggle autoreply message</h2>
+
+  <p>
+    The autoreply is <strong>{%if qmail_status%}active{%else%}inactive{%endif%}</strong>
+  </p>
+  <form method="POST">
+    <input type="hidden" name="action" value="qmail" />
+    {% if qmail_status %}
+    <input type="hidden" name="status" value="off" />
+    <input type="submit" value="Deactivate">
+    {% else %}
+    <input type="hidden" name="status" value="on" />
+    <input type="submit" value="Activate">
+    {% endif %}
+  </form>
+
+  <h2>Change autoreply message</h2>
+
   <p>
     Below you can see the current text of your autoreply message. You
     can edit and update it directly below:
   </p>
-  <form action="" method="POST">
+  <form method="POST">
+    <input type="hidden" name="action" value="message" />
     <textarea name="message" cols="120" rows="20">{{ message }}</textarea>
     <br />
     <input type="submit" value="Update">