seitime-frappe/frappe/www/qrcode.py
Govind S Menokee 45a9c35307
fix: 2FA qrcode generation error
Fixed decoding issues so as to facilitate proper comparison of strings durin qrcode generation for 2FA.
2019-08-12 02:02:07 +05:30

38 lines
1.3 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import frappe
from frappe import _
from six.moves.urllib.parse import parse_qsl
from frappe.twofactor import get_qr_svg_code
def get_context(context):
context.no_cache = 1
context.qr_code_user,context.qrcode_svg = get_user_svg_from_cache()
def get_query_key():
'''Return query string arg.'''
query_string = frappe.local.request.query_string
query = dict(parse_qsl(query_string))
query = {key.decode(): val.decode() for key, val in query.items()}
if not 'k' in list(query):
frappe.throw(_('Not Permitted'),frappe.PermissionError)
query = (query['k']).strip()
if False in [i.isalpha() or i.isdigit() for i in query]:
frappe.throw(_('Not Permitted'),frappe.PermissionError)
return query
def get_user_svg_from_cache():
'''Get User and SVG code from cache.'''
key = get_query_key()
totp_uri = frappe.cache().get_value("{}_uri".format(key))
user = frappe.cache().get_value("{}_user".format(key))
if not totp_uri or not user:
frappe.throw(_('Page has expired!'),frappe.PermissionError)
if not frappe.db.exists('User',user):
frappe.throw(_('Not Permitted'), frappe.PermissionError)
user = frappe.get_doc('User',user)
svg = get_qr_svg_code(totp_uri)
return (user,svg.decode())