551 lines
17 KiB
Python
551 lines
17 KiB
Python
import secrets
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import requests
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from files.__main__ import app, cache, get_CF, limiter
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from files.classes.follows import Follow
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from files.helpers.actions import *
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from files.helpers.config.const import *
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from files.helpers.settings import get_setting
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from files.helpers.get import *
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from files.helpers.mail import send_mail, send_verification_email
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from files.helpers.logging import log_file
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from files.helpers.regex import *
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from files.helpers.security import *
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from files.helpers.useractions import badge_grant
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from files.routes.routehelpers import check_for_alts
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from files.routes.wrappers import *
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NO_LOGIN_REDIRECT_URLS = ("/login", "/logout", "/signup", "/forgot", "/reset", "/reset_2fa", "/lost_2fa")
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@app.get("/login")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def login_get(v):
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redir = request.values.get("redirect", "").strip().rstrip('?').lower()
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if v:
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if redir and is_site_url(redir) and redir not in NO_LOGIN_REDIRECT_URLS:
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return redirect(redir)
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return redirect('/')
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return render_template("login/login.html", failed=False, redirect=redir)
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@app.post("/login")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit("6/minute;20/day", deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def login_post(v):
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if v: abort(400)
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username = request.values.get("username")
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if not username: abort(400)
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username = username.lstrip('@').replace('\\', '').replace('_', '\_').replace('%', '').strip()
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if not username: abort(400)
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if username.startswith('@'): username = username[1:]
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if "@" in username:
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try: account = g.db.query(User).filter(User.email.ilike(username)).one_or_none()
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except: abort(400, "Multiple usernames have this email attached;<br>Please specify the username you want to login to!")
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else: account = get_user(username, graceful=True)
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redir = request.values.get("redirect", "").strip().rstrip('?').lower()
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if not account:
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time.sleep(random.uniform(0, 2))
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return render_template("login/login.html", failed=True, redirect=redir)
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if request.values.get("password"):
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if not account.verifyPass(request.values.get("password")):
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log_failed_admin_login_attempt(account, "password")
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time.sleep(random.uniform(0, 2))
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return render_template("login/login.html", failed=True, redirect=redir)
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if account.mfa_secret or session.get("GLOBAL"):
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now = int(time.time())
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hash = generate_hash(f"{account.id}+{now}+2fachallenge")
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return render_template("login/login_2fa.html",
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v=account,
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time=now,
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hash=hash,
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redirect=request.values.get("redirect", "/")
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)
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elif request.values.get("2fa_token", "x"):
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now = int(time.time())
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try:
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if now - int(request.values.get("time")) > 600:
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return render_template("login/login.html", failed=True, redirect=redir)
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except:
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abort(400)
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formhash = request.values.get("hash")
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if not validate_hash(f"{account.id}+{request.values.get('time')}+2fachallenge", formhash):
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return render_template("login/login.html", failed=True, redirect=redir)
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if not account.validate_2fa(request.values.get("2fa_token", "").strip()):
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hash = generate_hash(f"{account.id}+{now}+2fachallenge")
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log_failed_admin_login_attempt(account, "2FA token")
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return render_template("login/login_2fa.html",
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v=account,
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time=now,
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hash=hash,
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failed=True,
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redirect=redir,
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), 400
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else:
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abort(400)
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on_login(account)
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if redir and is_site_url(redir) and redir not in NO_LOGIN_REDIRECT_URLS:
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return redirect(redir)
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return redirect('/')
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def log_failed_admin_login_attempt(account, type):
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if not account or account.admin_level < PERMS['WARN_ON_FAILED_LOGIN']: return
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ip = get_CF()
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print(f"A site admin from {ip} failed to login to account @{account.user_name} (invalid {type})")
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t = time.strftime("%d/%B/%Y %H:%M:%S UTC", time.gmtime(time.time()))
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log_file(f"{t}, {ip}, {account.username}, {type}", "admin_failed_logins.log")
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def on_login(account, redir=None):
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session.permanent = True
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session["lo_user"] = account.id
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g.v = account
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g.vid = account.username
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session["login_nonce"] = account.login_nonce
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check_for_alts(account, include_current_session=True)
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@app.get("/me")
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@app.get("/@me")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
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@auth_required
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def me(v):
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if v.client: return v.json
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else: return redirect(v.url)
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@app.post("/logout")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit('1/second', scope=rpath, key_func=get_ID)
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400, key_func=get_ID)
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@auth_required
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def logout(v):
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loggedin = cache.get('loggedin') or {}
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if session.get("lo_user") in loggedin: del loggedin[session["lo_user"]]
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cache.set('loggedin', loggedin)
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session.pop("lo_user", None)
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return {"message": "Logout successful!"}
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@app.get("/signup")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def sign_up_get(v):
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if not get_setting('signups'):
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abort(403, "New account registration is currently closed. Please come back later!")
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if v: return redirect(SITE_FULL)
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ref = request.values.get("ref")
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if ref:
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ref = ref.replace('\\', '').replace('_', '\_').replace('%', '').strip()
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ref_user = g.db.query(User).filter(User.username.ilike(ref)).one_or_none()
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else:
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ref_user = None
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if ref_user and (ref_user.id in session.get("history", [])):
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return render_template("login/sign_up_failed_ref.html"), 403
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now = int(time.time())
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token = secrets.token_urlsafe(32)
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session["signup_token"] = token
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formkey_hashstr = str(now) + token + g.agent
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formkey = hmac.new(key=bytes(SECRET_KEY, "utf-16"),
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msg=bytes(formkey_hashstr, "utf-16"),
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digestmod='md5'
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).hexdigest()
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error = request.values.get("error")
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redir = request.values.get("redirect", "/").strip().rstrip('?')
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if redir:
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if not is_site_url(redir): redir = "/"
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status_code = 200 if not error else 400
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return render_template("login/sign_up.html",
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formkey=formkey,
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now=now,
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ref_user=ref_user,
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turnstile=TURNSTILE_SITEKEY,
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error=error,
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redirect=redir
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), status_code
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@app.post("/signup")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit("10/day", deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def sign_up_post(v):
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if not get_setting('signups'):
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abort(403, "New account registration is currently closed. Please come back later!")
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if v: abort(403)
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form_timestamp = request.values.get("now", '0')
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form_formkey = request.values.get("formkey", "none")
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username = request.values.get("username")
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if not username: abort(400)
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username = username.strip()
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email = request.values.get("email", "").strip().lower()
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ref_id = 0
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try:
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ref_id = int(request.values.get("referred_by", 0))
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except:
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pass
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redir = request.values.get("redirect", "").strip().rstrip('?').lower()
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def signup_error(error):
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if ref_id:
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ref_user = g.db.get(User, ref_id)
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else:
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ref_user = None
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now = int(time.time())
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token = secrets.token_urlsafe(32)
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session["signup_token"] = token
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formkey_hashstr = str(now) + token + g.agent
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formkey = hmac.new(key=bytes(SECRET_KEY, "utf-16"),
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msg=bytes(formkey_hashstr, "utf-16"),
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digestmod='md5'
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).hexdigest()
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return render_template("login/sign_up.html",
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formkey=formkey,
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now=now,
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ref_user=ref_user,
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turnstile=TURNSTILE_SITEKEY,
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error=error,
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redirect=redir,
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username=username,
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email=email,
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), 400
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submitted_token = session.get("signup_token", "")
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if not submitted_token:
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session.clear()
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return signup_error(f"An error occurred while attempting to signup. If you get this repeatedly, please make sure cookies are enabled!")
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correct_formkey_hashstr = form_timestamp + submitted_token + g.agent
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correct_formkey = hmac.new(key=bytes(SECRET_KEY, "utf-16"),
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msg=bytes(correct_formkey_hashstr, "utf-16"),
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digestmod='md5'
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).hexdigest()
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now = int(time.time())
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if now - int(form_timestamp) < 5:
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return signup_error("There was a problem. Please try again!")
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if not hmac.compare_digest(correct_formkey, form_formkey):
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if IS_LOCALHOST: return signup_error("There was a problem. Please try again!")
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return signup_error("There was a problem. Please try again!")
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if not request.values.get(
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"password") == request.values.get("password_confirm"):
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return signup_error("Passwords did not match. Please try again!")
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if not valid_username_regex.fullmatch(username):
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return signup_error("Invalid username")
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if not valid_password_regex.fullmatch(request.values.get("password")):
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return signup_error("Password must be between 8 and 100 characters!")
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if email:
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if not email_regex.fullmatch(email):
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return signup_error("Invalid email!")
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else: email = None
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g.db.flush()
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existing_account = get_user(username, graceful=True)
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if existing_account:
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return signup_error("An account with that username already exists!")
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if TURNSTILE_SITEKEY != DEFAULT_CONFIG_VALUE:
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token = request.values.get("cf-turnstile-response")
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if not token:
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return signup_error("Unable to verify captcha [1].")
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data = {"secret": TURNSTILE_SECRET,
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"response": token,
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"sitekey": TURNSTILE_SITEKEY}
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url = "https://challenges.cloudflare.com/turnstile/v0/siteverify"
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x = requests.post(url, data=data, timeout=5)
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try:
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if not x.json().get("success"):
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return signup_error("Unable to verify captcha [2].")
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except:
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return signup_error("Unable to verify captcha [2].")
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session.pop("signup_token")
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profileurl = None
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if PFP_DEFAULT_MARSEY:
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profileurl = '/e/' + random.choice(marseys_const) + '.webp'
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new_user = User(
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username=username,
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original_username = username,
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password=request.values.get("password"),
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email=email,
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referred_by=ref_id or None,
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profileurl=profileurl
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)
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g.db.add(new_user)
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g.db.flush()
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if new_user.id == 5:
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new_user.admin_level = 4
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session["history"] = []
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if ref_id:
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ref_user = get_account(ref_id)
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if ref_user:
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badge_grant(user=ref_user, badge_id=10)
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# off-by-one: newly referred user isn't counted
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if ref_user.referral_count >= 9:
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badge_grant(user=ref_user, badge_id=11)
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if ref_user.referral_count >= 99:
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badge_grant(user=ref_user, badge_id=12)
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if email:
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send_verification_email(new_user)
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session.permanent = True
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session["lo_user"] = new_user.id
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g.v = new_user
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g.vid = new_user.username
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check_for_alts(new_user, include_current_session=True)
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send_notification(new_user.id, WELCOME_MSG)
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if SIGNUP_FOLLOW_ID:
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signup_autofollow = get_account(SIGNUP_FOLLOW_ID)
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new_follow = Follow(user_id=new_user.id, target_id=signup_autofollow.id)
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g.db.add(new_follow)
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signup_autofollow.stored_subscriber_count += 1
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g.db.add(signup_autofollow)
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elif CARP_ID:
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send_notification(CARP_ID, f"A new user - @{new_user.username} - has signed up!")
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if redir and is_site_url(redir) and redir not in NO_LOGIN_REDIRECT_URLS:
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return redirect(redir)
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return redirect('/')
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@app.get("/forgot")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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def get_forgot():
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return render_template("login/forgot_password.html")
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@app.post("/forgot")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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def post_forgot():
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username = request.values.get("username")
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if not username: abort(400)
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email = request.values.get("email",'').strip().lower()
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if not email_regex.fullmatch(email):
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return render_template("login/forgot_password.html", error="Invalid email!"), 400
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username = username.lstrip('@').replace('\\', '').replace('_', '\_').replace('%', '').strip()
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email = email.replace('\\', '').replace('_', '\_').replace('%', '').strip()
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user = g.db.query(User).filter(
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User.username.ilike(username),
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User.email.ilike(email)).one_or_none()
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if user:
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now = int(time.time())
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token = generate_hash(f"{user.id}+{now}+forgot+{user.login_nonce}")
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url = f"{SITE_FULL}/reset?id={user.id}&time={now}&token={token}"
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send_mail(to_address=user.email,
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subject="Password Reset Request",
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html=render_template("email/password_reset.html",
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action_url=url,
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v=user)
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)
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return render_template("login/forgot_password.html",
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msg="If the username and email matches an account, you will be sent a password reset email. Check your spam folder if you can't find it."), 202
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@app.get("/reset")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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def get_reset():
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user_id = request.values.get("id")
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timestamp = 0
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try:
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timestamp = int(request.values.get("time",0))
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except:
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pass
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token = request.values.get("token")
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now = int(time.time())
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if now - timestamp > 600:
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abort(410, "This password reset link has expired!")
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user = get_account(user_id)
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if not validate_hash(f"{user_id}+{timestamp}+forgot+{user.login_nonce}", token):
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abort(400)
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reset_token = generate_hash(f"{user.id}+{timestamp}+reset+{user.login_nonce}")
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return render_template("login/reset_password.html",
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v=user,
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token=reset_token,
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time=timestamp,
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)
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@app.post("/reset")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def post_reset(v):
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if v: return redirect('/')
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user_id = request.values.get("user_id")
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timestamp = 0
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try:
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timestamp = int(request.values.get("time"))
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except:
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abort(400)
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token = request.values.get("token")
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password = request.values.get("password")
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confirm_password = request.values.get("confirm_password")
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now = int(time.time())
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if now - timestamp > 600:
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abort(410, "This password reset link has expired!")
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user = get_account(user_id)
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if not validate_hash(f"{user_id}+{timestamp}+reset+{user.login_nonce}", token):
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abort(400)
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if password != confirm_password:
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return render_template("login/reset_password.html",
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v=user,
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token=token,
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time=timestamp,
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error="Passwords didn't match."), 400
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user.passhash = hash_password(password)
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g.db.add(user)
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return render_template("message_success.html",
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title="Password reset successful!",
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message="Login normally to access your account.")
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@app.get("/lost_2fa")
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@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
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@auth_desired
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def lost_2fa(v):
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if v and not v.mfa_secret: abort(400, "You don't have two-factor authentication enabled")
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return render_template("login/lost_2fa.html", v=v)
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@app.post("/lost_2fa")
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@limiter.limit('1/second', scope=rpath)
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@limiter.limit("6/minute;200/hour;1000/day", deduct_when=lambda response: response.status_code < 400)
|
|
def lost_2fa_post():
|
|
username = request.values.get("username")
|
|
user = get_user(username, graceful=True)
|
|
if not user or not user.email or not user.mfa_secret:
|
|
return render_template("message.html",
|
|
title="Removal request received",
|
|
message="If username, password, and email match, we will send you an email."), 202
|
|
|
|
|
|
email = request.values.get("email").strip().lower()
|
|
|
|
if not email_regex.fullmatch(email):
|
|
abort(400, "Invalid email")
|
|
|
|
password =request.values.get("password")
|
|
if not user.verifyPass(password):
|
|
return render_template("message.html",
|
|
title="Removal request received",
|
|
message="If username, password, and email match, we will send you an email."), 202
|
|
|
|
valid = int(time.time())
|
|
token = generate_hash(f"{user.id}+{user.username}+disable2fa+{valid}+{user.mfa_secret}+{user.login_nonce}")
|
|
|
|
action_url = f"{SITE_FULL}/reset_2fa?id={user.id}&t={valid}&token={token}"
|
|
|
|
send_mail(to_address=user.email,
|
|
subject="Two-factor Authentication Removal Request",
|
|
html=render_template("email/2fa_remove.html",
|
|
action_url=action_url,
|
|
v=user)
|
|
)
|
|
|
|
return render_template("message.html",
|
|
title="Removal request received",
|
|
message="If the username, password, and email match, we will send you an email. Check your spam folder if you can't find it."), 202
|
|
|
|
@app.get("/reset_2fa")
|
|
@limiter.limit(DEFAULT_RATELIMIT, deduct_when=lambda response: response.status_code < 400)
|
|
def reset_2fa():
|
|
now = int(time.time())
|
|
t = request.values.get("t")
|
|
if not t: abort(400)
|
|
try:
|
|
t = int(t)
|
|
except:
|
|
abort(400)
|
|
|
|
if now > t+3600*24:
|
|
abort(410, "This two-factor authentication reset link has expired!")
|
|
|
|
token = request.values.get("token")
|
|
uid = request.values.get("id")
|
|
|
|
user = get_account(uid)
|
|
|
|
if not validate_hash(f"{user.id}+{user.username}+disable2fa+{t}+{user.mfa_secret}+{user.login_nonce}", token):
|
|
abort(403)
|
|
|
|
user.mfa_secret=None
|
|
g.db.add(user)
|
|
|
|
return render_template("message_success.html",
|
|
title="Two-factor authentication removed.",
|
|
message="Login normally to access your account.")
|