app-MAIL-temp/app/api/views/auth.py

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import random
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import facebook
import google.oauth2.credentials
import googleapiclient.discovery
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from flask import jsonify, request, g
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from flask_login import login_user
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from itsdangerous import Signer
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from app import email_utils
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from app.api.base import api_bp
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from app.config import FLASK_SECRET, DISABLE_REGISTRATION
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from app.dashboard.views.setting import send_reset_password_email
from app.db import Session
from app.email_utils import (
email_can_be_used_as_mailbox,
personal_email_already_used,
send_email,
render,
)
from app.extensions import limiter
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from app.log import LOG
from app.models import User, ApiKey, SocialAuth, AccountActivation
from app.utils import sanitize_email
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@api_bp.route("/auth/login", methods=["POST"])
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@limiter.limit(
"10/minute", deduct_when=lambda r: hasattr(g, "deduct_limit") and g.deduct_limit
)
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def auth_login():
"""
Authenticate user
Input:
email
password
device: to create an ApiKey associated with this device
Output:
200 and user info containing:
{
name: "John Wick",
mfa_enabled: true,
mfa_key: "a long string",
api_key: "a long string"
}
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
email = sanitize_email(data.get("email"))
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password = data.get("password")
device = data.get("device")
user = User.filter_by(email=email).first()
if not user or not user.check_password(password):
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# Trigger rate limiter
g.deduct_limit = True
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return jsonify(error="Email or password incorrect"), 400
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elif user.disabled:
return jsonify(error="Account disabled"), 400
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elif not user.activated:
return jsonify(error="Account not activated"), 400
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elif user.fido_enabled():
# allow user who has TOTP enabled to continue using the mobile app
if not user.enable_otp:
return jsonify(error="Currently we don't support FIDO on mobile yet"), 403
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return jsonify(**auth_payload(user, device)), 200
@api_bp.route("/auth/register", methods=["POST"])
def auth_register():
"""
User signs up - will need to activate their account with an activation code.
Input:
email
password
Output:
200: user needs to confirm their account
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
email = sanitize_email(data.get("email"))
password = data.get("password")
if DISABLE_REGISTRATION:
return jsonify(error="registration is closed"), 400
if not email_can_be_used_as_mailbox(email) or personal_email_already_used(email):
return jsonify(error=f"cannot use {email} as personal inbox"), 400
if not password or len(password) < 8:
return jsonify(error="password too short"), 400
if len(password) > 100:
return jsonify(error="password too long"), 400
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LOG.d("create user %s", email)
user = User.create(email=email, name="", password=password)
Session.flush()
# create activation code
code = "".join([str(random.randint(0, 9)) for _ in range(6)])
AccountActivation.create(user_id=user.id, code=code)
Session.commit()
send_email(
email,
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"Just one more step to join SimpleLogin",
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render("transactional/code-activation.txt.jinja2", code=code),
render("transactional/code-activation.html", code=code),
)
return jsonify(msg="User needs to confirm their account"), 200
@api_bp.route("/auth/activate", methods=["POST"])
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@limiter.limit(
"10/minute", deduct_when=lambda r: hasattr(g, "deduct_limit") and g.deduct_limit
)
def auth_activate():
"""
User enters the activation code to confirm their account.
Input:
email
code
Output:
200: user account is now activated, user can login now
400: wrong email, code
410: wrong code too many times
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
email = sanitize_email(data.get("email"))
code = data.get("code")
user = User.get_by(email=email)
# do not use a different message to avoid exposing existing email
if not user or user.activated:
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# Trigger rate limiter
g.deduct_limit = True
return jsonify(error="Wrong email or code"), 400
account_activation = AccountActivation.get_by(user_id=user.id)
if not account_activation:
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# Trigger rate limiter
g.deduct_limit = True
return jsonify(error="Wrong email or code"), 400
if account_activation.code != code:
# decrement nb tries
account_activation.tries -= 1
Session.commit()
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# Trigger rate limiter
g.deduct_limit = True
if account_activation.tries == 0:
AccountActivation.delete(account_activation.id)
Session.commit()
return jsonify(error="Too many wrong tries"), 410
return jsonify(error="Wrong email or code"), 400
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LOG.d("activate user %s", user)
user.activated = True
AccountActivation.delete(account_activation.id)
Session.commit()
return jsonify(msg="Account is activated, user can login now"), 200
@api_bp.route("/auth/reactivate", methods=["POST"])
def auth_reactivate():
"""
User asks for another activation code
Input:
email
Output:
200: user is going to receive an email for activate their account
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
email = sanitize_email(data.get("email"))
user = User.get_by(email=email)
# do not use a different message to avoid exposing existing email
if not user or user.activated:
return jsonify(error="Something went wrong"), 400
account_activation = AccountActivation.get_by(user_id=user.id)
if account_activation:
AccountActivation.delete(account_activation.id)
Session.commit()
# create activation code
code = "".join([str(random.randint(0, 9)) for _ in range(6)])
AccountActivation.create(user_id=user.id, code=code)
Session.commit()
send_email(
email,
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"Just one more step to join SimpleLogin",
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render("transactional/code-activation.txt.jinja2", code=code),
render("transactional/code-activation.html", code=code),
)
return jsonify(msg="User needs to confirm their account"), 200
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@api_bp.route("/auth/facebook", methods=["POST"])
def auth_facebook():
"""
Authenticate user with Facebook
Input:
facebook_token: facebook access token
device: to create an ApiKey associated with this device
Output:
200 and user info containing:
{
name: "John Wick",
mfa_enabled: true,
mfa_key: "a long string",
api_key: "a long string"
}
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
facebook_token = data.get("facebook_token")
device = data.get("device")
graph = facebook.GraphAPI(access_token=facebook_token)
user_info = graph.get_object("me", fields="email,name")
email = sanitize_email(user_info.get("email"))
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user = User.get_by(email=email)
if not user:
if DISABLE_REGISTRATION:
return jsonify(error="registration is closed"), 400
if not email_can_be_used_as_mailbox(email) or personal_email_already_used(
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email
):
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return jsonify(error=f"cannot use {email} as personal inbox"), 400
LOG.d("create facebook user with %s", user_info)
user = User.create(email=email, name=user_info["name"], activated=True)
Session.commit()
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email_utils.send_welcome_email(user)
if not SocialAuth.get_by(user_id=user.id, social="facebook"):
SocialAuth.create(user_id=user.id, social="facebook")
Session.commit()
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return jsonify(**auth_payload(user, device)), 200
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@api_bp.route("/auth/google", methods=["POST"])
def auth_google():
"""
Authenticate user with Google
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Input:
google_token: Google access token
device: to create an ApiKey associated with this device
Output:
200 and user info containing:
{
name: "John Wick",
mfa_enabled: true,
mfa_key: "a long string",
api_key: "a long string"
}
"""
data = request.get_json()
if not data:
return jsonify(error="request body cannot be empty"), 400
google_token = data.get("google_token")
device = data.get("device")
cred = google.oauth2.credentials.Credentials(token=google_token)
build = googleapiclient.discovery.build("oauth2", "v2", credentials=cred)
user_info = build.userinfo().get().execute()
email = sanitize_email(user_info.get("email"))
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user = User.get_by(email=email)
if not user:
if DISABLE_REGISTRATION:
return jsonify(error="registration is closed"), 400
if not email_can_be_used_as_mailbox(email) or personal_email_already_used(
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email
):
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return jsonify(error=f"cannot use {email} as personal inbox"), 400
LOG.d("create Google user with %s", user_info)
user = User.create(email=email, name="", activated=True)
Session.commit()
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email_utils.send_welcome_email(user)
if not SocialAuth.get_by(user_id=user.id, social="google"):
SocialAuth.create(user_id=user.id, social="google")
Session.commit()
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return jsonify(**auth_payload(user, device)), 200
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def auth_payload(user, device) -> dict:
ret = {"name": user.name or "", "email": user.email, "mfa_enabled": user.enable_otp}
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# do not give api_key, user can only obtain api_key after OTP verification
if user.enable_otp:
s = Signer(FLASK_SECRET)
ret["mfa_key"] = s.sign(str(user.id))
ret["api_key"] = None
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else:
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api_key = ApiKey.get_by(user_id=user.id, name=device)
if not api_key:
LOG.d("create new api key for %s and %s", user, device)
api_key = ApiKey.create(user.id, device)
Session.commit()
ret["mfa_key"] = None
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ret["api_key"] = api_key.code
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# so user is automatically logged in on the web
login_user(user)
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return ret
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@api_bp.route("/auth/forgot_password", methods=["POST"])
def forgot_password():
"""
User forgot password
Input:
email
Output:
200 and a reset password email is sent to user
400 if email not exist
"""
data = request.get_json()
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if not data or not data.get("email"):
return jsonify(error="request body must contain email"), 400
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email = sanitize_email(data.get("email"))
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user = User.get_by(email=email)
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if user:
send_reset_password_email(user)
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return jsonify(ok=True)