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main.py
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/
main.py
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import urlfinder
import sys
import bcrypt
from peewee import IntegrityError
from flask import Flask, request, jsonify, redirect, send_from_directory, \
render_template, session, send_file
from settings import settings
import captcha
import io
from itsdangerous import TimestampSigner
import base64
from validate_email import validate_email
from flask import Flask
from flask_mail import Mail, Message
import logging
app = Flask(__name__, static_url_path='')
tracker = urlfinder.Tracker()
logger = logging.getLogger()
def fail(msg):
msg = {"fail": msg}
return jsonify(msg), 403
@app.route('/')
def index():
user_logged_in = False
if session.get("user", False):
user_logged_in = session["user"]
return render_template('index.html', logged_in=user_logged_in)
@app.route('/signup', methods=['POST', 'GET'])
def signup():
email = str(request.form.get('email'))
password = str(request.form.get('password'))
captcha_text = str(request.form.get('captcha'))
expected_hash = session.get("signup_hash")
captcha_success = captcha.validate_captcha(captcha_text, expected_hash)
is_valid_email = validate_email(email)
if not captcha_success:
return fail("wrong captcha")
if email and urlfinder.get_userinfo(email):
return fail("email already in use")
if not is_valid_email:
return fail("not valid email")
if email and password and captcha_success:
hashed_password = bcrypt.hashpw(password, bcrypt.gensalt(8))
try:
urlfinder.save_userinfo(email, hashed_password)
except IntegrityError:
return fail("email already in use")
session.pop("signup_hash", None)
session["user"] = email
return jsonify({"success": "ok"})
else:
return fail("email/password blank")
@app.route('/login', methods=['POST', 'GET'])
def login():
email = str(request.form.get('email', ""))
password = str(request.form.get('password', ""))
user_info = urlfinder.get_userinfo(email)
if email and password and user_info:
hashed = str(user_info.password)
if bcrypt.hashpw(password, hashed) == hashed:
# password is correct
session["user"] = email
return jsonify({"pass": "logged in"})
return jsonify({"fail": "email and/or password are blank"})
@app.route('/logout', methods=['POST', 'GET'])
def logout():
session.pop("user", None)
return redirect("/")
@app.route('/static/<path:path>')
def send_js(path):
return send_from_directory('static', path)
@app.route('/api')
def api():
url = request.args.get("url", "")
ip = request.remote_addr
email_from_session = session.get("user")
email_from_get = request.args.get("email")
delete = request.args.get("delete")
get_list = request.args.get("list", "")
passwd_reset = request.args.get("pw_reset", "")
def limit_exceeded():
if not tracker.check_access(ip):
logger.info("%s has exceeded the daily limit" % ip)
return fail("daily limit exceeded")
limit_exceeded()
if url and ~url.find("."):
if not url.startswith("http://") and not url.startswith("https://"):
url = "http://%s" % url
uid = urlfinder.url_to_uid(url, email_from_session or None)
return jsonify({"url": settings["domain"] + uid})
elif get_list == "json":
user_urls = urlfinder.get_user_urls(email_from_session)
if user_urls:
return jsonify(urlfinder.get_user_urls(email_from_session))
elif passwd_reset == "True" and email_from_get:
setup_password_reset(email_from_get)
return jsonify({"pass":"check email"})
elif delete:
result = urlfinder.remove_url(delete, email_from_session)
if result:
return jsonify({"delete": "okay"})
return fail("invalid request or error")
def setup_password_reset(email):
if email and urlfinder.get_userinfo(email):
s = TimestampSigner(settings["secret_key"])
signed_string_b64 = base64.b64encode(s.sign(email))
msg = Message(body="Hi,\nYou requested a password reset.\nHere is your reset link: " + settings["domain"] + "?token=" + signed_string_b64 + "#reset",
subject="Password reset",
recipients=[email])
mail.send(msg)
@app.route('/reset', methods=["POST"])
def do_password_reset():
try:
token = str(request.form.get('token', ""))
new_password = str(request.form.get('new_password', ""))
token = base64.b64decode(token)
except Exception, e:
logger.error(e)
return fail("error decoding token")
if token and new_password:
try:
s = TimestampSigner(settings["secret_key"])
result = s.unsign(token, max_age=60*60*24)
hashed_password = bcrypt.hashpw(new_password, bcrypt.gensalt(8))
urlfinder.update_password(result, hashed_password)
except Exception, e:
logger.error(e)
return fail("error resetting password")
return jsonify({"success": "password reset"})
@app.route('/<page_id>')
def do_redirect(page_id=None):
try:
redirect_url = urlfinder.uid_to_url(page_id)
urlfinder.increase_accessed(page_id)
except:
e = sys.exc_info()[0]
logger.error(e)
return "Error"
else:
return redirect(redirect_url)
@app.route('/captcha')
def get_catcha():
captcha_obj = captcha.make_captcha()
image_data = io.BytesIO(captcha_obj["image_data"])
image_hash = captcha_obj["hash"]
session["signup_hash"] = image_hash
return send_file(image_data, mimetype='image/gif')
app.secret_key = settings["secret_key"]
if settings["production"]:
app.config.update(
MAIL_SERVER=settings["MAIL_SERVER"],
MAIL_PORT=settings["MAIL_PORT"],
MAIL_USE_SSL=settings["MAIL_USE_SSL"],
MAIL_USERNAME=settings["MAIL_USERNAME"],
MAIL_PASSWORD=settings["MAIL_PASSWORD"],
MAIL_DEFAULT_SENDER=settings["MAIL_DEFAULT_SENDER"],
)
mail=Mail(app)
if not settings["production"]:
app.debug = True