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mailu/setup/server.py

125 lines
4.0 KiB
Python

import flask
import flask_bootstrap
import redis
import json
import os
import jinja2
import uuid
import string
import random
import ipaddress
import hashlib
import time
version = os.getenv("this_version", "master")
static_url_path = "/" + version + "/static"
app = flask.Flask(__name__, static_url_path=static_url_path)
flask_bootstrap.Bootstrap(app)
db = redis.StrictRedis(host='redis', port=6379, db=0)
def render_flavor(flavor, template, data):
return flask.render_template(
os.path.join(flavor, template),
**data
)
@app.add_template_global
def secret(length=16):
charset = string.ascii_uppercase + string.digits
return ''.join(
random.SystemRandom().choice(charset)
for _ in range(length)
)
#Original copied from https://github.com/andrewlkho/ulagen
def random_ipv6_subnet():
eui64 = uuid.getnode() >> 24 << 48 | 0xfffe000000 | uuid.getnode() & 0xffffff
eui64_canon = "-".join([format(eui64, "02X")[i:i+2] for i in range(0, 18, 2)])
h = hashlib.sha1()
h.update((eui64_canon + str(time.time() - time.mktime((1900, 1, 1, 0, 0, 0, 0, 1, -1)))).encode('utf-8'))
globalid = h.hexdigest()[0:10]
prefix = ":".join(("fd" + globalid[0:2], globalid[2:6], globalid[6:10]))
return prefix
def build_app(path):
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
@app.context_processor
def app_context():
return dict(versions=os.getenv("VERSIONS","master").split(','))
prefix_bp = flask.Blueprint(version, __name__)
prefix_bp.jinja_loader = jinja2.ChoiceLoader([
jinja2.FileSystemLoader(os.path.join(path, "templates")),
jinja2.FileSystemLoader(os.path.join(path, "flavors"))
])
root_bp = flask.Blueprint("root", __name__)
root_bp.jinja_loader = jinja2.ChoiceLoader([
jinja2.FileSystemLoader(os.path.join(path, "templates")),
jinja2.FileSystemLoader(os.path.join(path, "flavors"))
])
@prefix_bp.context_processor
@root_bp.context_processor
def bp_context(version=version):
return dict(version=version)
@prefix_bp.route("/")
@root_bp.route("/")
def wizard():
return flask.render_template('wizard.html')
@prefix_bp.route("/submit_flavor", methods=["POST"])
@root_bp.route("/submit_flavor", methods=["POST"])
def submit_flavor():
data = flask.request.form.copy()
subnet6 = random_ipv6_subnet()
steps = sorted(os.listdir(os.path.join(path, "templates", "steps", data["flavor"])))
return flask.render_template('wizard.html', flavor=data["flavor"], steps=steps, subnet6=subnet6)
@prefix_bp.route("/submit", methods=["POST"])
@root_bp.route("/submit", methods=["POST"])
def submit():
data = flask.request.form.copy()
data['uid'] = str(uuid.uuid4())
try:
data['dns'] = str(ipaddress.IPv4Network(data['subnet'], strict=False)[-2])
except ValueError as err:
return "Error while generating files: " + str(err)
db.set(data['uid'], json.dumps(data))
return flask.redirect(flask.url_for('.setup', uid=data['uid']))
@prefix_bp.route("/setup/<uid>", methods=["GET"])
@root_bp.route("/setup/<uid>", methods=["GET"])
def setup(uid):
data = json.loads(db.get(uid))
flavor = data.get("flavor", "compose")
rendered = render_flavor(flavor, "setup.html", data)
return flask.render_template("setup.html", contents=rendered)
@prefix_bp.route("/file/<uid>/<filepath>", methods=["GET"])
@root_bp.route("/file/<uid>/<filepath>", methods=["GET"])
def file(uid, filepath):
data = json.loads(db.get(uid))
flavor = data.get("flavor", "compose")
return flask.Response(
render_flavor(flavor, filepath, data),
mimetype="application/text"
)
app.register_blueprint(prefix_bp, url_prefix="/{}".format(version))
app.register_blueprint(root_bp)
if __name__ == "__main__":
build_app("/tmp/mailutest")
app.run(debug=True)