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login.py
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login.py
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#!/usr/bin/env python3
import datetime
import string
import random
import os
import json
import re
import urllib
import tornado.web
from passlib.hash import pbkdf2_sha256
import logging
import handler
import settings
import db
import util
log = logging.getLogger("WebServer")
def format_invite(clubname, host, code):
return """
<p>You've been invited to {clubname}\n<br />
Click <a href="http://{host}/verify/{code}">this link</a>
to accept the invite and register an account, or copy and paste the following
into your URL bar:<br />
http://{host}/verify/{code}</p>
<p>If you believe you received this email in error, it can be safely ignored.
It is likely a user simply entered your email by mistake.</p>""".format(
clubname=clubname, host=host, code=code)
def expiration_date(start=None, duration=settings.LINKVALIDDAYS):
if start is None:
start = datetime.date.today()
return start + datetime.timedelta(days=duration)
class InviteHandler(handler.BaseHandler):
@tornado.web.authenticated
def get(self):
self.render("invite.html")
return
if self.current_user is not None:
self.render("invite.html")
self.render("login.html", uri = '/')
@tornado.web.authenticated
def post(self):
email = self.get_argument('email', None)
if not re.match("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]+$", email, flags = re.IGNORECASE):
self.render("invite.html", message = "Please enter a valid email address.")
else:
with db.getCur() as cur:
cur.execute("SELECT Email from Users where Email = ?", (email,))
try:
existing = cur.fetchone()[0]
self.render("message.html",
message = "Account for {0} already exists.".format(
email),
title="Duplicate Account")
return
except:
pass
code = util.randString(32)
cur.execute("INSERT INTO VerifyLinks (Id, Email, Expires) "
"VALUES (?, LOWER(?), ?)",
(code, email, expiration_date().isoformat()))
util.sendEmail(email, "Your {0} Account".format(settings.CLUBNAME),
format_invite(settings.CLUBNAME, self.request.host,
code))
self.render("message.html",
message = "Invite sent. It will expire in {0} days."
.format(settings.LINKVALIDDAYS),
title = "Invite")
class SetupHandler(handler.BaseHandler):
def get(self):
with db.getCur() as cur:
cur.execute("SELECT COUNT(*) FROM Users")
if cur.fetchone()[0] != 0:
self.redirect("/")
else:
self.render("setup.html")
def post(self):
email = self.get_argument('email', None)
if not re.match("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]+$", email, flags = re.IGNORECASE):
self.render("setup.html", message = "Please enter a valid email address.")
else:
with db.getCur() as cur:
code = util.randString(32)
cur.execute("INSERT INTO VerifyLinks (Id, Email, Expires) "
"VALUES (?, LOWER(?), ?)",
(code, email, expiration_date().isoformat()))
util.sendEmail(email, "Your {0} Account".format(settings.CLUBNAME),
format_invite(settings.CLUBNAME, self.request.host,
code))
self.render("message.html",
message = "Invite sent. It will expire in {0} days."
.format(settings.LINKVALIDDAYS),
title = "Invite")
class VerifyHandler(handler.BaseHandler):
def get(self, q):
with db.getCur() as cur:
cur.execute(
"SELECT Email, Expires FROM VerifyLinks WHERE Id = ?",
(q,))
try:
email, expires = cur.fetchone()
except:
self.redirect("/")
return
if expires < datetime.date.today().isoformat():
cur.execute("DELETE FROM VerifyLinks WHERE Id = ?", (q,))
self.render("message.html",
message = "The invite expired {0}. Please request another.".format(
expires),
title="Expired Invite.")
return
cur.execute("SELECT Email FROM Users WHERE Email = ?", (email,))
try:
existing = cur.fetchone()[0]
cur.execute("DELETE FROM VerifyLinks WHERE Id = ?", (q,))
self.render("message.html",
message = "Account for {0} already exists.".format(
email),
title="Duplicate Account")
return
except:
pass
self.render("verify.html", email = email, id = q)
def post(self, q):
email = self.get_argument('email', None)
password = self.get_argument('password', None)
vpassword = self.get_argument('vpassword', None)
if email is None or password is None or vpassword is None or email == "" or password == "" or vpassword == "":
self.render("verify.html", email = email, id = q,
message = "You must enter an email, a password, "
"and repeat your password exactly.")
return
if password != vpassword:
self.render("verify.html", email = email, id = q,
message = "Your passwords didn't match")
return
with db.getCur() as cur:
passhash = pbkdf2_sha256.encrypt(password)
cur.execute("INSERT INTO Users (Email, Password) VALUES (LOWER(?), ?)", (email, passhash))
self.set_secure_cookie("user", str(cur.lastrowid))
cur.execute("SELECT COUNT(*) FROM Users")
if cur.fetchone()[0] == 1:
cur.execute("INSERT INTO Admins SELECT Id FROM Users")
self.set_secure_cookie("admin", "1")
cur.execute("DELETE FROM VerifyLinks WHERE Id = ?", (q,))
self.redirect("/")
class ResetPasswordHandler(handler.BaseHandler):
def get(self):
email = None
if self.current_user:
with db.getCur() as cur:
cur.execute("SELECT Email FROM Users WHERE Id = ?", (self.current_user,))
email = cur.fetchone()
if email is not None:
email = email[0]
self.render("forgotpassword.html", email = email)
def post(self):
with db.getCur() as cur:
email = self.get_argument("email", None)
cur.execute("SELECT Id FROM Users WHERE Email = ?", (email,))
row = cur.fetchone()
if row is not None:
code = util.randString(32)
cur.execute("INSERT INTO ResetLinks(Id, User, Expires) "
"VALUES (?, ?, ?)",
(code, row[0], expiration_date().isoformat()))
util.sendEmail(
email, "Your {0} Account".format(settings.CLUBNAME), """
<p>Here's the link to reset your {clubname} account password.<br />
Click <a href="http://{host}/reset/{code}">this link</a> to reset your password,
or copy and paste the following into your URL bar:<br />
http://{host}/reset/{code} </p>
""".format(clubname=settings.CLUBNAME, host=self.request.host, code=code))
self.render("message.html",
message = "Your password reset link has been sent")
else:
self.render("message.html",
message = "No account found associated with this email",
email = email)
class ResetPasswordLinkHandler(handler.BaseHandler):
def get(self, q):
with db.getCur() as cur:
cur.execute(
"SELECT Email FROM Users JOIN ResetLinks ON "
"ResetLinks.User = Users.Id WHERE ResetLinks.Id = ? AND "
"ResetLinks.Expires > datetime('now')", (q,))
row = cur.fetchone()
if row is None:
self.render("message.html",
message = "Link is either invalid or has expired. "
"Please request a new one.")
else:
self.render("resetpassword.html", email = row[0], id = q)
def post(self, q):
password = self.get_argument('password', None)
vpassword = self.get_argument('vpassword', None)
with db.getCur() as cur:
cur.execute(
"SELECT Users.Id, Email "
"FROM Users JOIN ResetLinks ON ResetLinks.User = Users.Id "
"WHERE ResetLinks.Id = ?",
(q,))
row = cur.fetchone()
if row is None:
self.render("message.html",
message = "Link is either invalid or has expired. "
"Please request a new one")
else:
id = row[0]
email = row[1]
if password is None or vpassword is None or password == "" or vpassword == "":
self.render("resetpassword.html", email = email, id = q,
message = "You must enter a pasword and repeat that password")
return
if password != vpassword:
self.render("resetpassword.html", email = email, id = q,
message = "Your passwords didn't match")
return
passhash = pbkdf2_sha256.encrypt(password)
cur.execute("UPDATE Users SET Password = ? WHERE Id = ?", (passhash, id))
cur.execute("DELETE FROM ResetLinks WHERE Id = ?", (q,))
self.render("message.html",
message = "Your password has been reset. "
"You may now <a href=\"/login\">Login</a>")
class LoginHandler(handler.BaseHandler):
def get(self):
uri = self.get_argument("next", None)
if self.current_user is not None:
if uri is None:
return self.render("message.html", message = "You're already logged in, would you like to <a href=\"/logout\">Logout?</a>")
else:
return self.redirect(uri)
self.render("login.html", uri = uri)
def post(self):
email = self.get_argument('email', None)
password = self.get_argument('password', None)
uri = self.get_argument('next', '/')
if not email or not password or email == "" or password == "":
self.render("login.html",
message = "Please enter an email and password",
uri = uri)
return
with db.getCur() as cur:
cur.execute("SELECT Id, Password, PlayerId FROM Users WHERE Email = LOWER(?)", (email,))
row = cur.fetchone()
if row is not None:
userID = row[0]
passhash = row[1]
playerId = row[2]
if pbkdf2_sha256.verify(password, passhash):
self.set_secure_cookie("user", str(userID))
log.info("Successful login for {0} (ID = {1})".format(
email, userID))
cur.execute("SELECT EXISTS(SELECT * FROM Admins WHERE Id = ?)", (userID,))
if cur.fetchone()[0] == 1:
log.info("and {0} is an admin user".format(
email))
self.set_secure_cookie("admin", "1")
cur.execute("SELECT Value FROM Settings WHERE UserId = ? AND Setting = 'stylesheet';", (userID,))
stylesheet = cur.fetchone()
if stylesheet is not None and len(stylesheet) > 0:
self.set_secure_cookie("stylesheet", stylesheet[0])
if playerId is not None:
cur.execute("SELECT Id, Name FROM Players WHERE Id = ?;", (playerId,))
player = cur.fetchone()
if player is not None and len(player) > 0:
self.set_secure_cookie("playerId", util.stringify(player[0]))
self.set_secure_cookie("playerName", util.stringify(player[1]))
if userID != None:
self.redirect(uri)
return
log.info("Invalid login attempt for {0}".format(email))
self.render("login.html",
message = "Incorrect email and password", uri = uri)
class LogoutHandler(handler.BaseHandler):
def get(self):
uri = self.get_argument('next', '/')
userID = handler.stringify(self.get_secure_cookie("user"))
log.info("Explicit logout for user ID {0}".format(userID))
self.clear_cookie("user")
self.clear_cookie("admin")
self.redirect(uri)
class SettingsHandler(handler.BaseHandler):
@tornado.web.authenticated
def get(self):
with db.getCur() as cur:
cur.execute("SELECT Email, PlayerId FROM Users WHERE Id = ?",
(self.current_user,))
email, playerId = cur.fetchone()
self.render("settings.html", email = email, playerId = playerId,
stylesheets=sorted(os.listdir("static/css/colors")))
@tornado.web.authenticated
def post(self):
stylesheet = self.get_argument('stylesheet', None)
email = self.get_argument('email', None)
if stylesheet is None or email is None:
self.render("message.html", message="Please pick a stylesheet and enter a valid email", title="Settings")
else:
with db.getCur() as cur:
cur.execute("DELETE FROM Settings WHERE UserId = ? AND Setting = 'stylesheet';", (self.current_user,))
cur.execute("INSERT INTO Settings(UserId, Setting, Value) VALUES(?, 'stylesheet', ?);", (self.current_user, stylesheet))
cur.execute("UPDATE Users SET Email = LOWER(?) WHERE Id = ? AND Email != LOWER(?)", (email, self.current_user, email))
self.set_secure_cookie("stylesheet", stylesheet)
self.redirect("/settings")