334 lines
No EOL
10 KiB
Python
334 lines
No EOL
10 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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from __future__ import unicode_literals
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import datetime
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from frappe import _
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import frappe
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import frappe.database
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import frappe.utils
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from frappe.utils import cint
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import frappe.utils.user
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from frappe import conf
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from frappe.sessions import Session, clear_sessions, delete_session
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from frappe.modules.patch_handler import check_session_stopped
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from frappe.translate import get_lang_code
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from frappe.utils.password import check_password
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from frappe.core.doctype.authentication_log.authentication_log import add_authentication_log
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from frappe.utils.background_jobs import enqueue
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from frappe.twofactor import (should_run_2fa, authenticate_for_2factor,
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confirm_otp_token, get_cached_user_pass)
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from six.moves.urllib.parse import quote
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import pyotp, base64, os
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class HTTPRequest:
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def __init__(self):
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# Get Environment variables
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self.domain = frappe.request.host
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if self.domain and self.domain.startswith('www.'):
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self.domain = self.domain[4:]
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if frappe.get_request_header('X-Forwarded-For'):
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frappe.local.request_ip = (frappe.get_request_header('X-Forwarded-For').split(",")[0]).strip()
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elif frappe.get_request_header('REMOTE_ADDR'):
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frappe.local.request_ip = frappe.get_request_header('REMOTE_ADDR')
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else:
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frappe.local.request_ip = '127.0.0.1'
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# language
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self.set_lang()
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# load cookies
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frappe.local.cookie_manager = CookieManager()
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# set db
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self.connect()
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# login
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frappe.local.login_manager = LoginManager()
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if frappe.form_dict._lang:
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lang = get_lang_code(frappe.form_dict._lang)
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if lang:
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frappe.local.lang = lang
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self.validate_csrf_token()
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# write out latest cookies
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frappe.local.cookie_manager.init_cookies()
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# check status
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check_session_stopped()
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def validate_csrf_token(self):
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if frappe.local.request and frappe.local.request.method=="POST":
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if not frappe.local.session: return
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if not frappe.local.session.data.csrf_token \
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or frappe.local.session.data.device=="mobile" \
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or frappe.conf.get('ignore_csrf', None):
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# not via boot
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return
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csrf_token = frappe.get_request_header("X-Frappe-CSRF-Token")
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if not csrf_token and "csrf_token" in frappe.local.form_dict:
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csrf_token = frappe.local.form_dict.csrf_token
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del frappe.local.form_dict["csrf_token"]
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if frappe.local.session.data.csrf_token != csrf_token:
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frappe.local.flags.disable_traceback = True
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frappe.throw(_("Invalid Request"), frappe.CSRFTokenError)
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def set_lang(self):
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from frappe.translate import guess_language
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frappe.local.lang = guess_language()
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def get_db_name(self):
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"""get database name from conf"""
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return conf.db_name
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def connect(self, ac_name = None):
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"""connect to db, from ac_name or db_name"""
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frappe.local.db = frappe.database.Database(user = self.get_db_name(), \
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password = getattr(conf, 'db_password', ''))
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class LoginManager:
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def __init__(self):
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self.user = None
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self.info = None
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self.full_name = None
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self.user_type = None
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if frappe.local.form_dict.get('cmd')=='login' or frappe.local.request.path=="/api/method/login":
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if self.login()==False: return
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self.resume = False
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# run login triggers
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self.run_trigger('on_session_creation')
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else:
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try:
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self.resume = True
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self.make_session(resume=True)
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self.set_user_info(resume=True)
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except AttributeError:
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self.user = "Guest"
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self.make_session()
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self.set_user_info()
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def login(self):
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# clear cache
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frappe.clear_cache(user = frappe.form_dict.get('usr'))
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user, pwd = get_cached_user_pass()
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self.authenticate(user=user, pwd=pwd)
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if should_run_2fa(self.user):
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authenticate_for_2factor(self.user)
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if not confirm_otp_token(self):
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return False
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self.post_login()
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def post_login(self):
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self.run_trigger('on_login')
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self.validate_ip_address()
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self.validate_hour()
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self.make_session()
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self.set_user_info()
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def set_user_info(self, resume=False):
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# set sid again
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frappe.local.cookie_manager.init_cookies()
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self.info = frappe.db.get_value("User", self.user,
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["user_type", "first_name", "last_name", "user_image"], as_dict=1)
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self.full_name = " ".join(filter(None, [self.info.first_name,
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self.info.last_name]))
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self.user_type = self.info.user_type
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if self.info.user_type=="Website User":
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frappe.local.cookie_manager.set_cookie("system_user", "no")
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if not resume:
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frappe.local.response["message"] = "No App"
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frappe.local.response["home_page"] = get_website_user_home_page(self.user)
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else:
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frappe.local.cookie_manager.set_cookie("system_user", "yes")
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if not resume:
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frappe.local.response['message'] = 'Logged In'
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frappe.local.response["home_page"] = "/desk"
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if not resume:
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frappe.response["full_name"] = self.full_name
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# redirect information
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redirect_to = frappe.cache().hget('redirect_after_login', self.user)
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if redirect_to:
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frappe.local.response["redirect_to"] = redirect_to
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frappe.cache().hdel('redirect_after_login', self.user)
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frappe.local.cookie_manager.set_cookie("full_name", self.full_name)
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frappe.local.cookie_manager.set_cookie("user_id", self.user)
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frappe.local.cookie_manager.set_cookie("user_image", self.info.user_image or "")
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def make_session(self, resume=False):
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# start session
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frappe.local.session_obj = Session(user=self.user, resume=resume,
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full_name=self.full_name, user_type=self.user_type)
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# reset user if changed to Guest
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self.user = frappe.local.session_obj.user
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frappe.local.session = frappe.local.session_obj.data
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self.clear_active_sessions()
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def clear_active_sessions(self):
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"""Clear other sessions of the current user if `deny_multiple_sessions` is not set"""
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if not (cint(frappe.conf.get("deny_multiple_sessions")) or cint(frappe.db.get_system_setting('deny_multiple_sessions'))):
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return
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if frappe.session.user != "Guest":
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clear_sessions(frappe.session.user, keep_current=True)
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def authenticate(self, user=None, pwd=None):
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if not (user and pwd):
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user, pwd = frappe.form_dict.get('usr'), frappe.form_dict.get('pwd')
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if not (user and pwd):
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self.fail(_('Incomplete login details'), user=user)
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if cint(frappe.db.get_value("System Settings", "System Settings", "allow_login_using_mobile_number")):
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user = frappe.db.get_value("User", filters={"mobile_no": user}, fieldname="name") or user
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self.check_if_enabled(user)
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self.user = self.check_password(user, pwd)
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def check_if_enabled(self, user):
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"""raise exception if user not enabled"""
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if user=='Administrator': return
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if not cint(frappe.db.get_value('User', user, 'enabled')):
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self.fail('User disabled or missing', user=user)
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def check_password(self, user, pwd):
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"""check password"""
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try:
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# returns user in correct case
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return check_password(user, pwd)
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except frappe.AuthenticationError:
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self.fail('Incorrect password', user=user)
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def fail(self, message, user=None):
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if not user:
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user = _('Unknown User')
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frappe.local.response['message'] = message
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add_authentication_log(message, user, status="Failed")
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frappe.db.commit()
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raise frappe.AuthenticationError
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def run_trigger(self, event='on_login'):
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for method in frappe.get_hooks().get(event, []):
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frappe.call(frappe.get_attr(method), login_manager=self)
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def validate_ip_address(self):
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"""check if IP Address is valid"""
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ip_list = frappe.db.get_value('User', self.user, 'restrict_ip', ignore=True)
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if not ip_list:
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return
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ip_list = ip_list.replace(",", "\n").split('\n')
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ip_list = [i.strip() for i in ip_list]
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for ip in ip_list:
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if frappe.local.request_ip.startswith(ip):
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return
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frappe.throw(_("Not allowed from this IP Address"), frappe.AuthenticationError)
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def validate_hour(self):
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"""check if user is logging in during restricted hours"""
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login_before = int(frappe.db.get_value('User', self.user, 'login_before', ignore=True) or 0)
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login_after = int(frappe.db.get_value('User', self.user, 'login_after', ignore=True) or 0)
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if not (login_before or login_after):
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return
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from frappe.utils import now_datetime
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current_hour = int(now_datetime().strftime('%H'))
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if login_before and current_hour > login_before:
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frappe.throw(_("Login not allowed at this time"), frappe.AuthenticationError)
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if login_after and current_hour < login_after:
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frappe.throw(_("Login not allowed at this time"), frappe.AuthenticationError)
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def login_as_guest(self):
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"""login as guest"""
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self.login_as("Guest")
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def login_as(self, user):
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self.user = user
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self.post_login()
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def logout(self, arg='', user=None):
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if not user: user = frappe.session.user
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self.run_trigger('on_logout')
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if user == frappe.session.user:
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delete_session(frappe.session.sid, user=user, reason="User Manually Logged Out")
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self.clear_cookies()
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else:
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clear_sessions(user)
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def clear_cookies(self):
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clear_cookies()
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class CookieManager:
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def __init__(self):
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self.cookies = {}
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self.to_delete = []
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def init_cookies(self):
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if not frappe.local.session.get('sid'): return
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# sid expires in 3 days
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expires = datetime.datetime.now() + datetime.timedelta(days=3)
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if frappe.session.sid:
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self.cookies["sid"] = {"value": frappe.session.sid, "expires": expires}
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if frappe.session.session_country:
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self.cookies["country"] = {"value": frappe.session.get("session_country")}
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def set_cookie(self, key, value, expires=None):
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self.cookies[key] = {"value": value, "expires": expires}
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def delete_cookie(self, to_delete):
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if not isinstance(to_delete, (list, tuple)):
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to_delete = [to_delete]
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self.to_delete.extend(to_delete)
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def flush_cookies(self, response):
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for key, opts in self.cookies.items():
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response.set_cookie(key, quote((opts.get("value") or "").encode('utf-8')),
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expires=opts.get("expires"))
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# expires yesterday!
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expires = datetime.datetime.now() + datetime.timedelta(days=-1)
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for key in set(self.to_delete):
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response.set_cookie(key, "", expires=expires)
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@frappe.whitelist()
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def get_logged_user():
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return frappe.session.user
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def clear_cookies():
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if hasattr(frappe.local, "session"):
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frappe.session.sid = ""
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frappe.local.cookie_manager.delete_cookie(["full_name", "user_id", "sid", "user_image", "system_user"])
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def get_website_user_home_page(user):
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home_page_method = frappe.get_hooks('get_website_user_home_page')
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if home_page_method:
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home_page = frappe.get_attr(home_page_method[-1])(user)
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return '/' + home_page.strip('/')
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else:
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return '/me' |