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server.py
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import json
import os
import ssl
from datetime import timedelta
import arrow
import flask_profiler
import sentry_sdk
from flask import (
Flask,
redirect,
url_for,
render_template,
request,
jsonify,
flash,
session,
)
from flask_admin import Admin
from flask_cors import cross_origin, CORS
from flask_debugtoolbar import DebugToolbarExtension
from flask_login import current_user
from sentry_sdk.integrations.flask import FlaskIntegration
from sentry_sdk.integrations.sqlalchemy import SqlalchemyIntegration
from werkzeug.middleware.proxy_fix import ProxyFix
from app import paddle_utils
from app.admin_model import SLModelView, SLAdminIndexView
from app.api.base import api_bp
from app.auth.base import auth_bp
from app.config import (
DB_URI,
FLASK_SECRET,
SENTRY_DSN,
URL,
SHA1,
PADDLE_MONTHLY_PRODUCT_ID,
RESET_DB,
FLASK_PROFILER_PATH,
FLASK_PROFILER_PASSWORD,
SENTRY_FRONT_END_DSN,
FIRST_ALIAS_DOMAIN,
SESSION_COOKIE_NAME,
PLAUSIBLE_HOST,
PLAUSIBLE_DOMAIN,
GITHUB_CLIENT_ID,
GOOGLE_CLIENT_ID,
FACEBOOK_CLIENT_ID,
LANDING_PAGE_URL,
STATUS_PAGE_URL,
SUPPORT_EMAIL,
get_abs_path,
PADDLE_MONTHLY_PRODUCT_IDS,
PADDLE_YEARLY_PRODUCT_IDS,
PGP_SIGNER,
)
from app.dashboard.base import dashboard_bp
from app.developer.base import developer_bp
from app.discover.base import discover_bp
from app.email_utils import send_email, render
from app.extensions import db, login_manager, migrate, limiter
from app.jose_utils import get_jwk_key
from app.log import LOG
from app.models import (
Client,
User,
ClientUser,
Alias,
RedirectUri,
Subscription,
PlanEnum,
ApiKey,
CustomDomain,
LifetimeCoupon,
Directory,
Mailbox,
Referral,
AliasMailbox,
Notification,
)
from app.monitor.base import monitor_bp
from app.oauth.base import oauth_bp
from app.pgp_utils import load_public_key
if SENTRY_DSN:
LOG.d("enable sentry")
sentry_sdk.init(
dsn=SENTRY_DSN,
release=f"app@{SHA1}",
integrations=[
FlaskIntegration(),
SqlalchemyIntegration(),
],
)
# the app is served behind nginx which uses http and not https
os.environ["OAUTHLIB_INSECURE_TRANSPORT"] = "1"
def create_light_app() -> Flask:
app = Flask(__name__)
app.config["SQLALCHEMY_DATABASE_URI"] = DB_URI
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
db.init_app(app)
return app
def create_app() -> Flask:
app = Flask(__name__)
# SimpleLogin is deployed behind NGINX
app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_host=1)
limiter.init_app(app)
app.url_map.strict_slashes = False
app.config["SQLALCHEMY_DATABASE_URI"] = DB_URI
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
# enable to print all queries generated by sqlalchemy
# app.config["SQLALCHEMY_ECHO"] = True
app.secret_key = FLASK_SECRET
app.config["TEMPLATES_AUTO_RELOAD"] = True
# to avoid conflict with other cookie
app.config["SESSION_COOKIE_NAME"] = SESSION_COOKIE_NAME
if URL.startswith("https"):
app.config["SESSION_COOKIE_SECURE"] = True
app.config["SESSION_COOKIE_SAMESITE"] = "Lax"
setup_error_page(app)
init_extensions(app)
register_blueprints(app)
set_index_page(app)
jinja2_filter(app)
setup_favicon_route(app)
setup_openid_metadata(app)
init_admin(app)
setup_paddle_callback(app)
setup_do_not_track(app)
if FLASK_PROFILER_PATH:
LOG.d("Enable flask-profiler")
app.config["flask_profiler"] = {
"enabled": True,
"storage": {"engine": "sqlite", "FILE": FLASK_PROFILER_PATH},
"basicAuth": {
"enabled": True,
"username": "admin",
"password": FLASK_PROFILER_PASSWORD,
},
"ignore": ["^/static/.*", "/git", "/exception"],
}
flask_profiler.init_app(app)
# enable CORS on /api endpoints
CORS(app, resources={r"/api/*": {"origins": "*"}})
# set session to permanent so user stays signed in after quitting the browser
# the cookie is valid for 7 days
@app.before_request
def make_session_permanent():
session.permanent = True
app.permanent_session_lifetime = timedelta(days=7)
return app
def fake_data():
LOG.d("create fake data")
# Remove db if exist
if os.path.exists("db.sqlite"):
LOG.d("remove existing db file")
os.remove("db.sqlite")
# Create all tables
db.create_all()
# Create a user
user = User.create(
email="[email protected]",
name="John Wick",
password="password",
activated=True,
is_admin=True,
enable_otp=False,
otp_secret="base32secret3232",
intro_shown=True,
fido_uuid=None,
)
user.include_sender_in_reverse_alias = None
db.session.commit()
user.trial_end = None
LifetimeCoupon.create(code="coupon", nb_used=10)
db.session.commit()
# Create a subscription for user
Subscription.create(
user_id=user.id,
cancel_url="https://checkout.paddle.com/subscription/cancel?user=1234",
update_url="https://checkout.paddle.com/subscription/update?user=1234",
subscription_id="123",
event_time=arrow.now(),
next_bill_date=arrow.now().shift(days=10).date(),
plan=PlanEnum.monthly,
)
db.session.commit()
api_key = ApiKey.create(user_id=user.id, name="Chrome")
api_key.code = "code"
api_key = ApiKey.create(user_id=user.id, name="Firefox")
api_key.code = "codeFF"
pgp_public_key = open(get_abs_path("local_data/public-pgp.asc")).read()
m1 = Mailbox.create(
user_id=user.id,
email="[email protected]",
verified=True,
pgp_public_key=pgp_public_key,
)
m1.pgp_finger_print = load_public_key(pgp_public_key)
db.session.commit()
for i in range(3):
if i % 2 == 0:
a = Alias.create(
email=f"e{i}@{FIRST_ALIAS_DOMAIN}", user_id=user.id, mailbox_id=m1.id
)
else:
a = Alias.create(
email=f"e{i}@{FIRST_ALIAS_DOMAIN}",
user_id=user.id,
mailbox_id=user.default_mailbox_id,
)
db.session.commit()
if i % 5 == 0:
if i % 2 == 0:
AliasMailbox.create(alias_id=a.id, mailbox_id=user.default_mailbox_id)
else:
AliasMailbox.create(alias_id=a.id, mailbox_id=m1.id)
db.session.commit()
# some aliases don't have any activity
# if i % 3 != 0:
# contact = Contact.create(
# user_id=user.id,
# alias_id=a.id,
# website_email=f"contact{i}@example.com",
# reply_email=f"rep{i}@sl.local",
# )
# db.session.commit()
# for _ in range(3):
# EmailLog.create(user_id=user.id, contact_id=contact.id)
# db.session.commit()
# have some disabled alias
if i % 5 == 0:
a.enabled = False
db.session.commit()
CustomDomain.create(user_id=user.id, domain="ab.cd", verified=True)
CustomDomain.create(
user_id=user.id, domain="very-long-domain.com.net.org", verified=True
)
db.session.commit()
Directory.create(user_id=user.id, name="abcd")
Directory.create(user_id=user.id, name="xyzt")
db.session.commit()
# Create a client
client1 = Client.create_new(name="Demo", user_id=user.id)
client1.oauth_client_id = "client-id"
client1.oauth_client_secret = "client-secret"
client1.published = True
db.session.commit()
RedirectUri.create(client_id=client1.id, uri="https://ab.com")
client2 = Client.create_new(name="Demo 2", user_id=user.id)
client2.oauth_client_id = "client-id2"
client2.oauth_client_secret = "client-secret2"
client2.published = True
db.session.commit()
ClientUser.create(user_id=user.id, client_id=client1.id, name="Fake Name")
referral = Referral.create(user_id=user.id, code="REFCODE", name="First referral")
db.session.commit()
for i in range(6):
Notification.create(user_id=user.id, message=f"""Hey hey <b>{i}</b> """ * 10)
db.session.commit()
User.create(
email="[email protected]",
name="Winston",
password="password",
activated=True,
referral_id=referral.id,
)
db.session.commit()
@login_manager.user_loader
def load_user(user_id):
user = User.get(user_id)
if user and user.disabled:
return None
return user
def register_blueprints(app: Flask):
app.register_blueprint(auth_bp)
app.register_blueprint(monitor_bp)
app.register_blueprint(dashboard_bp)
app.register_blueprint(developer_bp)
app.register_blueprint(oauth_bp, url_prefix="/oauth")
app.register_blueprint(oauth_bp, url_prefix="/oauth2")
app.register_blueprint(discover_bp)
app.register_blueprint(api_bp)
def set_index_page(app):
@app.route("/", methods=["GET", "POST"])
def index():
if current_user.is_authenticated:
return redirect(url_for("dashboard.index"))
else:
return redirect(url_for("auth.login"))
@app.after_request
def after_request(res):
# not logging /static call
if (
not request.path.startswith("/static")
and not request.path.startswith("/admin/static")
and not request.path.startswith("/_debug_toolbar")
):
LOG.debug(
"%s %s %s %s %s",
request.remote_addr,
request.method,
request.path,
request.args,
res.status_code,
)
return res
def setup_openid_metadata(app):
@app.route("/.well-known/openid-configuration")
@cross_origin()
def openid_config():
res = {
"issuer": URL,
"authorization_endpoint": URL + "/oauth2/authorize",
"token_endpoint": URL + "/oauth2/token",
"userinfo_endpoint": URL + "/oauth2/userinfo",
"jwks_uri": URL + "/jwks",
"response_types_supported": [
"code",
"token",
"id_token",
"id_token token",
"id_token code",
],
"subject_types_supported": ["public"],
"id_token_signing_alg_values_supported": ["RS256"],
# todo: add introspection and revocation endpoints
# "introspection_endpoint": URL + "/oauth2/token/introspection",
# "revocation_endpoint": URL + "/oauth2/token/revocation",
}
return jsonify(res)
@app.route("/jwks")
@cross_origin()
def jwks():
res = {"keys": [get_jwk_key()]}
return jsonify(res)
def setup_error_page(app):
@app.errorhandler(400)
def bad_request(e):
if request.path.startswith("/api/"):
return jsonify(error="Bad Request"), 400
else:
return render_template("error/400.html"), 400
@app.errorhandler(401)
def unauthorized(e):
if request.path.startswith("/api/"):
return jsonify(error="Unauthorized"), 401
else:
flash("You need to login to see this page", "error")
return redirect(url_for("auth.login", next=request.full_path))
@app.errorhandler(403)
def forbidden(e):
if request.path.startswith("/api/"):
return jsonify(error="Forbidden"), 403
else:
return render_template("error/403.html"), 403
@app.errorhandler(429)
def rate_limited(e):
LOG.warning("Client hit rate limit on path %s", request.path)
if request.path.startswith("/api/"):
return jsonify(error="Rate limit exceeded"), 429
else:
return render_template("error/429.html"), 429
@app.errorhandler(404)
def page_not_found(e):
if request.path.startswith("/api/"):
return jsonify(error="No such endpoint"), 404
else:
return render_template("error/404.html"), 404
@app.errorhandler(405)
def wrong_method(e):
if request.path.startswith("/api/"):
return jsonify(error="Method not allowed"), 405
else:
return render_template("error/405.html"), 405
@app.errorhandler(Exception)
def error_handler(e):
LOG.exception(e)
if request.path.startswith("/api/"):
return jsonify(error="Internal error"), 500
else:
return render_template("error/500.html"), 500
def setup_favicon_route(app):
@app.route("/favicon.ico")
def favicon():
return redirect("/static/favicon.ico")
def jinja2_filter(app):
def format_datetime(value):
dt = arrow.get(value)
return dt.humanize()
app.jinja_env.filters["dt"] = format_datetime
@app.context_processor
def inject_stage_and_region():
return dict(
YEAR=arrow.now().year,
URL=URL,
SENTRY_DSN=SENTRY_FRONT_END_DSN,
VERSION=SHA1,
FIRST_ALIAS_DOMAIN=FIRST_ALIAS_DOMAIN,
PLAUSIBLE_HOST=PLAUSIBLE_HOST,
PLAUSIBLE_DOMAIN=PLAUSIBLE_DOMAIN,
GITHUB_CLIENT_ID=GITHUB_CLIENT_ID,
GOOGLE_CLIENT_ID=GOOGLE_CLIENT_ID,
FACEBOOK_CLIENT_ID=FACEBOOK_CLIENT_ID,
LANDING_PAGE_URL=LANDING_PAGE_URL,
STATUS_PAGE_URL=STATUS_PAGE_URL,
SUPPORT_EMAIL=SUPPORT_EMAIL,
PGP_SIGNER=PGP_SIGNER,
)
def setup_paddle_callback(app: Flask):
@app.route("/paddle", methods=["GET", "POST"])
def paddle():
LOG.debug(f"paddle callback {request.form.get('alert_name')} {request.form}")
# make sure the request comes from Paddle
if not paddle_utils.verify_incoming_request(dict(request.form)):
LOG.exception(
"request not coming from paddle. Request data:%s", dict(request.form)
)
return "KO", 400
if (
request.form.get("alert_name") == "subscription_created"
): # new user subscribes
# the passthrough is json encoded, e.g.
# request.form.get("passthrough") = '{"user_id": 88 }'
passthrough = json.loads(request.form.get("passthrough"))
user_id = passthrough.get("user_id")
user = User.get(user_id)
subscription_plan_id = int(request.form.get("subscription_plan_id"))
if subscription_plan_id in PADDLE_MONTHLY_PRODUCT_IDS:
plan = PlanEnum.monthly
elif subscription_plan_id in PADDLE_YEARLY_PRODUCT_IDS:
plan = PlanEnum.yearly
else:
LOG.exception(
"Unknown subscription_plan_id %s %s",
subscription_plan_id,
request.form,
)
return "No such subscription", 400
sub = Subscription.get_by(user_id=user.id)
if not sub:
LOG.d(f"create a new Subscription for user {user}")
Subscription.create(
user_id=user.id,
cancel_url=request.form.get("cancel_url"),
update_url=request.form.get("update_url"),
subscription_id=request.form.get("subscription_id"),
event_time=arrow.now(),
next_bill_date=arrow.get(
request.form.get("next_bill_date"), "YYYY-MM-DD"
).date(),
plan=plan,
)
else:
LOG.d(f"Update an existing Subscription for user {user}")
sub.cancel_url = request.form.get("cancel_url")
sub.update_url = request.form.get("update_url")
sub.subscription_id = request.form.get("subscription_id")
sub.event_time = arrow.now()
sub.next_bill_date = arrow.get(
request.form.get("next_bill_date"), "YYYY-MM-DD"
).date()
sub.plan = plan
# make sure to set the new plan as not-cancelled
# in case user cancels a plan and subscribes a new plan
sub.cancelled = False
LOG.debug("User %s upgrades!", user)
db.session.commit()
elif request.form.get("alert_name") == "subscription_payment_succeeded":
subscription_id = request.form.get("subscription_id")
LOG.debug("Update subscription %s", subscription_id)
sub: Subscription = Subscription.get_by(subscription_id=subscription_id)
# when user subscribes, the "subscription_payment_succeeded" can arrive BEFORE "subscription_created"
# at that time, subscription object does not exist yet
if sub:
sub.event_time = arrow.now()
sub.next_bill_date = arrow.get(
request.form.get("next_bill_date"), "YYYY-MM-DD"
).date()
db.session.commit()
elif request.form.get("alert_name") == "subscription_cancelled":
subscription_id = request.form.get("subscription_id")
sub: Subscription = Subscription.get_by(subscription_id=subscription_id)
if sub:
# cancellation_effective_date should be the same as next_bill_date
LOG.warning(
"Cancel subscription %s %s on %s, next bill date %s",
subscription_id,
sub.user,
request.form.get("cancellation_effective_date"),
sub.next_bill_date,
)
sub.event_time = arrow.now()
sub.cancelled = True
db.session.commit()
user = sub.user
send_email(
user.email,
"SimpleLogin - what can we do to improve the product?",
render(
"transactional/subscription-cancel.txt",
name=user.name or "",
end_date=request.form.get("cancellation_effective_date"),
),
)
else:
return "No such subscription", 400
elif request.form.get("alert_name") == "subscription_updated":
subscription_id = request.form.get("subscription_id")
sub: Subscription = Subscription.get_by(subscription_id=subscription_id)
if sub:
LOG.debug(
"Update subscription %s %s on %s, next bill date %s",
subscription_id,
sub.user,
request.form.get("cancellation_effective_date"),
sub.next_bill_date,
)
if (
int(request.form.get("subscription_plan_id"))
== PADDLE_MONTHLY_PRODUCT_ID
):
plan = PlanEnum.monthly
else:
plan = PlanEnum.yearly
sub.cancel_url = request.form.get("cancel_url")
sub.update_url = request.form.get("update_url")
sub.event_time = arrow.now()
sub.next_bill_date = arrow.get(
request.form.get("next_bill_date"), "YYYY-MM-DD"
).date()
sub.plan = plan
# make sure to set the new plan as not-cancelled
sub.cancelled = False
db.session.commit()
else:
return "No such subscription", 400
return "OK"
def init_extensions(app: Flask):
login_manager.init_app(app)
db.init_app(app)
migrate.init_app(app)
def init_admin(app):
admin = Admin(name="SimpleLogin", template_mode="bootstrap3")
admin.init_app(app, index_view=SLAdminIndexView())
admin.add_view(SLModelView(User, db.session))
admin.add_view(SLModelView(Client, db.session))
admin.add_view(SLModelView(Alias, db.session))
admin.add_view(SLModelView(ClientUser, db.session))
def setup_do_not_track(app):
@app.route("/dnt")
def do_not_track():
return """
<script src="/static/local-storage-polyfill.js"></script>
<script>
// Disable GoatCounter if this script is called
store.set('goatcounter-ignore', 't');
alert("GoatCounter disabled");
window.location.href = "/";
</script>
"""
def local_main():
app = create_app()
# enable flask toolbar
app.config["DEBUG_TB_PROFILER_ENABLED"] = True
app.config["DEBUG_TB_INTERCEPT_REDIRECTS"] = False
app.debug = True
DebugToolbarExtension(app)
# warning: only used in local
if RESET_DB:
from init_app import add_sl_domains
LOG.warning("reset db, add fake data")
with app.app_context():
fake_data()
add_sl_domains()
if URL.startswith("https"):
LOG.d("enable https")
context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_2)
context.load_cert_chain("local_data/cert.pem", "local_data/key.pem")
app.run(debug=True, port=7777, ssl_context=context)
else:
app.run(debug=True, port=7777)
if __name__ == "__main__":
local_main()