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bk-dss/index.py

121 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python
from flask import Flask, render_template, redirect, url_for, session
from flask_wtf import Form
import ldap
from redis import Redis
import uuid
from wtforms.fields import PasswordField, SelectField, StringField, SubmitField
from wtforms.validators import EqualTo, Required
app = Flask(__name__)
app.config.from_pyfile('config.cfg')
app.jinja_env.trim_blocks = True
app.jinja_env.lstrip_blocks = True
rdb = Redis(host=app.config.get('REDIS_HOST', '127.0.0.1'), password=app.config.get('REDIS_PSWD'))
class ReadonlyStringField(StringField):
def __call__(self, *args, **kwargs):
kwargs.setdefault('readonly', True)
return super(ReadonlyStringField, self).__call__(*args, **kwargs)
class EditForm(Form):
user = ReadonlyStringField('Username')
pwd1 = PasswordField('New Password', validators = [Required()])
pwd2 = PasswordField('New Password (repeat)', validators = [Required(), EqualTo('pwd1', "Passwords must match")])
submit = SubmitField('Submit')
class LoginForm(Form):
user = StringField('Username', validators=[Required()])
pswd = PasswordField('Password', validators=[Required()])
submit = SubmitField('Login')
def isLoggedin():
return 'uuid' in session and rdb.exists(session['uuid'])
def buildNav():
nav = []
if isLoggedin():
nav.append('edit')
nav.append('logout')
else:
nav.append('login')
return nav
@app.route('/')
def index():
return render_template('index.html', nav=buildNav())
@app.route('/edit', methods=['GET', 'POST'])
def edit():
if not isLoggedin():
return render_template('error.html', message="You are not logged in. Please log in first.", nav=buildNav())
form = EditForm()
user = rdb.hget(session['uuid'], 'user')
if form.validate_on_submit():
opwd = rdb.hget(session['uuid'], 'pswd')
npwd = form.pwd1.data
l = ldap.initialize(app.config.get('LDAP_URI', 'ldaps://127.0.0.1'))
try:
l.simple_bind_s(user, opwd)
l.passwd_s(user, opwd, npwd)
except ldap.INVALID_CREDENTIALS as e:
form.user.errors.append(e.message['desc'])
l.unbind_s()
return render_template('edit.html', form=form, nav=buildNav())
else:
# TODO display success message
rdb.hset(session['uuid'], 'pswd', npwd)
l.unbind_s()
return redirect(url_for('index'))
form.user.data = user
return render_template('edit.html', form=form, nav=buildNav())
@app.route('/login', methods=['GET', 'POST'])
def login():
form = LoginForm()
if form.validate_on_submit():
user = 'cn=' + form.user.data + ',' + app.config.get('LDAP_BASE','')
pswd = form.pswd.data
l = ldap.initialize(app.config.get('LDAP_URI', 'ldaps://127.0.0.1'))
try:
l.simple_bind_s(user, pswd)
except ldap.INVALID_CREDENTIALS as e:
form.pswd.errors.append(e.message['desc'])
l.unbind_s()
return render_template('login.html', form=form, nav=buildNav())
l.unbind_s()
session['uuid'] = str(uuid.uuid4())
credentials = { 'user': user, 'pswd': pswd }
rdb.hmset(session['uuid'], credentials)
# TODO refactor this and reuse
rdb.expire(session['uuid'], app.config.get('SESSION_TIMEOUT', 3600))
return redirect(url_for('index'))
return render_template('login.html', form=form, nav=buildNav())
@app.route('/logout')
def logout():
if 'uuid' in session:
rdb.delete(session['uuid'])
del session['uuid']
return redirect(url_for('index'))
if __name__ == '__main__':
app.run(host='0.0.0.0', port=5000)