seitime-frappe/frappe/handler.py
Chinmay Pai 22ba310aaf
[2/3] file-api: code migration
migrate api from file_manager.py to file.py

Signed-off-by: Chinmay Pai <chinmaydpai@gmail.com>
2018-09-03 18:04:45 +05:30

143 lines
3.8 KiB
Python
Executable file

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# MIT License. See license.txt
from __future__ import unicode_literals
import frappe
from frappe import _
import frappe.utils
import frappe.sessions
import frappe.desk.form.run_method
from frappe.utils.response import build_response
from werkzeug.wrappers import Response
from six import string_types
def handle():
"""handle request"""
cmd = frappe.local.form_dict.cmd
data = None
if cmd!='login':
data = execute_cmd(cmd)
# data can be an empty string or list which are valid responses
if data is not None:
if isinstance(data, Response):
# method returns a response object, pass it on
return data
# add the response to `message` label
frappe.response['message'] = data
return build_response("json")
def execute_cmd(cmd, from_async=False):
"""execute a request as python module"""
for hook in frappe.get_hooks("override_whitelisted_methods", {}).get(cmd, []):
# override using the first hook
cmd = hook
break
try:
method = get_attr(cmd)
except Exception as e:
if frappe.local.conf.developer_mode:
raise e
else:
frappe.respond_as_web_page(title='Invalid Method', html='Method not found',
indicator_color='red', http_status_code=404)
return
if from_async:
method = method.queue
is_whitelisted(method)
return frappe.call(method, **frappe.form_dict)
def is_whitelisted(method):
# check if whitelisted
if frappe.session['user'] == 'Guest':
if (method not in frappe.guest_methods):
frappe.msgprint(_("Not permitted"))
raise frappe.PermissionError('Not Allowed, {0}'.format(method))
if method not in frappe.xss_safe_methods:
# strictly sanitize form_dict
# escapes html characters like <> except for predefined tags like a, b, ul etc.
for key, value in frappe.form_dict.items():
if isinstance(value, string_types):
frappe.form_dict[key] = frappe.utils.sanitize_html(value)
else:
if not method in frappe.whitelisted:
frappe.msgprint(_("Not permitted"))
raise frappe.PermissionError('Not Allowed, {0}'.format(method))
@frappe.whitelist(allow_guest=True)
def version():
return frappe.__version__
@frappe.whitelist()
def runserverobj(method, docs=None, dt=None, dn=None, arg=None, args=None):
frappe.desk.form.run_method.runserverobj(method, docs=docs, dt=dt, dn=dn, arg=arg, args=args)
@frappe.whitelist(allow_guest=True)
def logout():
frappe.local.login_manager.logout()
frappe.db.commit()
@frappe.whitelist(allow_guest=True)
def web_logout():
frappe.local.login_manager.logout()
frappe.db.commit()
frappe.respond_as_web_page(_("Logged Out"), _("You have been successfully logged out"),
indicator_color='green')
@frappe.whitelist(allow_guest=True)
def run_custom_method(doctype, name, custom_method):
"""cmd=run_custom_method&doctype={doctype}&name={name}&custom_method={custom_method}"""
doc = frappe.get_doc(doctype, name)
if getattr(doc, custom_method, frappe._dict()).is_whitelisted:
frappe.call(getattr(doc, custom_method), **frappe.local.form_dict)
else:
frappe.throw(_("Not permitted"), frappe.PermissionError)
@frappe.whitelist()
def uploadfile():
ret = None
try:
if frappe.form_dict.get('from_form'):
try:
ret = frappe.get_doc({"doctype": "File"})
ret = ret.upload()
except frappe.DuplicateEntryError:
# ignore pass
ret = None
frappe.db.rollback()
else:
if frappe.form_dict.get('method'):
method = frappe.get_attr(frappe.form_dict.method)
is_whitelisted(method)
ret = method()
except Exception:
frappe.errprint(frappe.utils.get_traceback())
frappe.response['http_status_code'] = 500
ret = None
return ret
def get_attr(cmd):
"""get method object from cmd"""
if '.' in cmd:
method = frappe.get_attr(cmd)
else:
method = globals()[cmd]
frappe.log("method:" + cmd)
return method
@frappe.whitelist(allow_guest = True)
def ping():
return "pong"