authelia - initial work

confs/site/authelia-auth-request.conf

@@ -0,0 +1,27 @@
+# Basic Authelia Config
+# Send a subsequent request to Authelia to verify if the user is authenticated
+# and has the right permissions to access the resource.
+auth_request /authelia;
+# Set the `target_url` variable based on the request. It will be used to build the portal
+# URL with the correct redirection parameter.
+auth_request_set $target_url $scheme://$http_host$request_uri;
+# Set the X-Forwarded-User and X-Forwarded-Groups with the headers
+# returned by Authelia for the backends which can consume them.
+# This is not safe, as the backend must make sure that they come from the
+# proxy. In the future, it's gonna be safe to just use OAuth.
+auth_request_set $user $upstream_http_remote_user;
+auth_request_set $groups $upstream_http_remote_groups;
+auth_request_set $name $upstream_http_remote_name;
+auth_request_set $email $upstream_http_remote_email;
+fastcgi_param REMOTE_USER $user;
+fastcgi_param REMOTE_GROUPS $groups;
+fastcgi_param REMOTE_NAME $name;
+fastcgi_param REMOTE_EMAIL $email;
+proxy_set_header Remote-User $user;
+proxy_set_header Remote-Groups $groups;
+proxy_set_header Remote-Name $name;
+proxy_set_header Remote-Email $email;
+# If Authelia returns 401, then nginx redirects the user to the login portal.
+# If it returns 200, then the request pass through to the backend.
+# For other type of errors, nginx will handle them as usual.
+error_page 401 =302 {{ AUTHELIA_BACKEND }}/?rd=$target_url;

confs/site/authelia-proxy.conf

@@ -0,0 +1,40 @@
+set $upstream_authelia {{ AUTHELIA_UPSTREAM }}/api/verify;
+
+# Virtual endpoint created by nginx to forward auth requests.
+location /authelia {
+    internal;
+    proxy_pass_request_body off;
+    proxy_pass $upstream_authelia;
+    proxy_set_header Content-Length "";
+
+    # Timeout if the real server is dead
+    proxy_next_upstream error timeout invalid_header http_500 http_502 http_503;
+
+    # [REQUIRED] Needed by Authelia to check authorizations of the resource.
+    # Provide either X-Original-URL and X-Forwarded-Proto or
+    # X-Forwarded-Proto, X-Forwarded-Host and X-Forwarded-Uri or both.
+    # Those headers will be used by Authelia to deduce the target url of the user.
+    # Basic Proxy Config
+    client_body_buffer_size 128k;
+    proxy_set_header Host $host;
+    proxy_set_header X-Original-URL $scheme://$http_host$request_uri;
+    proxy_set_header X-Real-IP $remote_addr;
+    proxy_set_header X-Forwarded-Method $request_method;
+    proxy_set_header X-Forwarded-Proto $scheme;
+    proxy_set_header X-Forwarded-Host $http_host;
+    proxy_set_header X-Forwarded-Uri $request_uri;
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header X-Forwarded-Ssl on;
+    proxy_redirect  http://  $scheme://;
+    proxy_http_version 1.1;
+    proxy_set_header Connection "";
+    proxy_cache_bypass $cookie_session;
+    proxy_no_cache $cookie_session;
+    proxy_buffers 4 32k;
+
+    # Advanced Proxy Config
+    send_timeout 5m;
+    proxy_read_timeout 240;
+    proxy_send_timeout 240;
+    proxy_connect_timeout 240;
+}

confs/site/reverse-proxy.conf

@@ -8,6 +8,9 @@
 location {{ url }} {% raw %}{{% endraw %}
 	etag off;
 	proxy_pass {{ host }};
+	{% if USE_AUTHELIA == "yes" %}
+	include {{ NGINX_PREFIX }}authelia-upstream.conf;
+	{% endif %}
 	include {{ NGINX_PREFIX }}reverse-proxy-headers.conf;
 			{% if ws == "yes" %}
 	proxy_http_version 1.1;

confs/site/server.conf

@@ -164,6 +164,12 @@ server {
 	include {{ NGINX_PREFIX }}proxy-cache.conf;	
 {% endif %}
 
+	# authelia
+{% if USE_AUTHELIA == "yes" %}
+	include {{ NGINX_PREFIX}}authelia-upstream.conf;
+	include {{ NGINX_PREFIX}}authelia-auth-request.conf;
+{% endif %}
+
 	# reverse proxy
 {% if USE_REVERSE_PROXY == "yes" %}
 	include {{ NGINX_PREFIX }}reverse-proxy.conf;

examples/authelia/authelia/configuration.yml

@@ -0,0 +1,72 @@
+###############################################################
+#                   Authelia configuration                    #
+###############################################################
+
+host: 0.0.0.0
+port: 9091
+# log:
+#  level: debug
+# This secret can also be set using the env variables AUTHELIA_JWT_SECRET_FILE
+jwt_secret: a_very_important_secret
+default_redirection_url: https://auth.example.com
+totp:
+  issuer: authelia.com
+
+# duo_api:
+#  hostname: api-123456789.example.com
+#  integration_key: ABCDEF
+#  # This secret can also be set using the env variables AUTHELIA_DUO_API_SECRET_KEY_FILE
+#  secret_key: 1234567890abcdefghifjkl
+
+authentication_backend:
+  file:
+    path: /config/users_database.yml
+
+access_control:
+  default_policy: deny
+  rules:
+    # Rules applied to everyone
+    - domain: auth.example.com
+      policy: bypass
+    - domain: app1.example.com
+      policy: one_factor
+    - domain: app2.example.com
+      policy: two_factor
+
+session:
+  name: authelia_session
+  # This secret can also be set using the env variables AUTHELIA_SESSION_SECRET_FILE
+  secret: unsecure_session_secret
+  expiration: 3600  # 1 hour
+  inactivity: 300  # 5 minutes
+  domain: example.com  # Should match whatever your root protected domain is
+
+  redis:
+    host: redis
+    port: 6379
+    # This secret can also be set using the env variables AUTHELIA_SESSION_REDIS_PASSWORD_FILE
+    # password: authelia
+
+regulation:
+  max_retries: 3
+  find_time: 120
+  ban_time: 300
+
+storage:
+  local:
+    path: /config/db.sqlite3
+
+notifier:
+  disable_startup_check: false
+  filesystem:
+    filename: /config/notification.txt
+
+#notifier:
+#  smtp:
+#    username: test
+    # This secret can also be set using the env variables AUTHELIA_NOTIFIER_SMTP_PASSWORD_FILE
+#    password: password
+#    host: mail.example.com
+#    port: 25
+#    sender: admin@example.com
+

examples/authelia/authelia/users_database.yml

@@ -0,0 +1,16 @@
+###############################################################
+#                         Users Database                      #
+###############################################################
+
+# This file can be used if you do not have an LDAP set up.
+
+# List of users
+users:
+  authelia:
+    displayname: "Authelia User"
+    # Password is Authelia
+    password: "$6$rounds=50000$BpLnfgDsc2WD8F2q$Zis.ixdg9s/UOJYrs56b5QEZFiZECu0qZVNsIYxBaNJ7ucIL.nlxVCT5tqh8KHG8X4tlwCFm5r6NTOZZ5qRFN/"  # yamllint disable-line rule:line-length
+    email: authelia@authelia.com
+    groups:
+      - admins
+      - dev

examples/authelia/docker-compose.yml

@@ -0,0 +1,71 @@
+---
+version: '3.3'
+
+services:
+
+  authelia:
+    image: authelia/authelia
+    volumes:
+      - ./authelia:/config
+    restart: unless-stopped
+    healthcheck:
+      disable: true
+    environment:
+      - TZ=France/Paris
+
+  redis:
+    image: redis:alpine
+    volumes:
+      - ./redis:/data
+    restart: unless-stopped
+    environment:
+      - TZ=France/Paris
+
+  bunkerized-nginx:
+    image: bunkerity/bunkerized-nginx
+    restart: always
+    depends_on:
+      - authelia
+      - myapp1
+      - myapp2
+    ports:
+      - 80:8080
+      - 443:8443
+    # bunkerized-nginx runs as an unprivileged user with UID/GID 101
+    # don't forget to edit the permissions of the files and folders accordingly
+    volumes:
+      - ./web-files:/www:ro
+      - ./letsencrypt:/etc/letsencrypt
+    environment:
+      - SERVER_NAME=auth.example.com app1.example.com app2.example.com # replace with your domains
+      - MULTISITE=yes
+      - AUTO_LETS_ENCRYPT=yes
+      - REDIRECT_HTTP_TO_HTTPS=yes
+      - DISABLE_DEFAULT_SERVER=yes
+      - USE_CLIENT_CACHE=yes
+      - USE_GZIP=yes
+      - USE_AUTHELIA=yes
+      - AUTHELIA_BACKEND=https://auth.example.com
+      - AUTHELIA_UPSTREAM=http://authelia:9091
+      - auth.example.com_USE_AUTHELIA=no
+      - auth.example.com_USE_REVERSE_PROXY=yes
+      - auth.example.com_REVERSE_PROXY_URL=/
+      - auth.example.com_REVERSE_PROXY_HOST=http://authelia:9091
+      - app1.example.com_REMOTE_PHP=myapp1
+      - app1.example.com_REMOTE_PHP_PATH=/app
+      - app2.example.com_SERVE_FILES=no
+      - app2.example.com_USE_REVERSE_PROXY=myapp2
+      - app2.example.com_REVERSE_PROXY_URL=/
+      - app2.example.com_REVERSE_PROXY_HOST=http://myapp2
+
+  myapp1:
+    image: php:fpm
+    restart: always
+    volumes:
+      - ./web-files/app1.example.com:/app
+
+  myapp2:
+    image: php:apache
+    restart: always
+    volumes:
+      - ./web-files/app2.example.com:/var/www/html

examples/authelia/web-files/app1.example.com/index.php

@@ -0,0 +1,10 @@
+<?php
+
+echo "Welcome to app1 !<br><br>";
+
+echo "REMOTE_USER = " . $_SERVER['REMOTE_USER'] . "<br>";
+echo "REMOTE_GROUPS = " . $_SERVER['REMOTE_GROUPS'] . "<br>";
+echo "REMOTE_NAME = " . $_SERVER['REMOTE_NAME'] . "<br>";
+echo "REMOTE_EMAIL = " . $_SERVER['REMOTE_EMAIL'] . "<br>";
+
+?>

gen/Templator.py

@@ -17,7 +17,7 @@ class Templator :
 		self.__target_path = target_path
 		if not self.__target_path.endswith("/") :
 			self.__target_path += "/"
-		self.__template_env = jinja2.Environment(loader=jinja2.FileSystemLoader(searchpath=self.__input_path), lstrip_blocks=True)
+		self.__template_env = jinja2.Environment(loader=jinja2.FileSystemLoader(searchpath=self.__input_path), lstrip_blocks=True, trim_blocks=True)
 
 	def render_global(self) :
 		return self.__render("global")