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087841d5b7
The init script was pushing an application context, which maked flask.g global and persisted across requests. This was evaluated to have a minimal security impact. This explains/fixes #738: flask_wtf caches the csrf token in the application context to have a single token per request, and only sets the session attribute after the first generation.
52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
from mailu import models, utils
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from mailu.internal import internal, nginx
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from flask import current_app as app
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import flask
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import flask_login
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import base64
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@internal.route("/auth/email")
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@utils.limiter.limit(
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lambda: app.config["AUTH_RATELIMIT"],
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lambda: flask.request.headers["Client-Ip"]
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)
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def nginx_authentication():
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""" Main authentication endpoint for Nginx email server
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"""
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headers = nginx.handle_authentication(flask.request.headers)
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response = flask.Response()
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for key, value in headers.items():
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response.headers[key] = str(value)
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return response
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@internal.route("/auth/admin")
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def admin_authentication():
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""" Fails if the user is not an authenticated admin.
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"""
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if (not flask_login.current_user.is_anonymous
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and flask_login.current_user.global_admin
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and flask_login.current_user.enabled):
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return ""
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return flask.abort(403)
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@internal.route("/auth/basic")
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def basic_authentication():
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""" Tries to authenticate using the Authorization header.
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"""
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authorization = flask.request.headers.get("Authorization")
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if authorization and authorization.startswith("Basic "):
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encoded = authorization.replace("Basic ", "")
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user_email, password = base64.b64decode(encoded).split(b":")
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user = models.User.query.get(user_email.decode("utf8"))
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if user and user.enabled and user.check_password(password.decode("utf8")):
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response = flask.Response()
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response.headers["X-User"] = user.email
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return response
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response = flask.Response(status=401)
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response.headers["WWW-Authenticate"] = 'Basic realm="Login Required"'
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return response
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