350 lines
9.9 KiB
Python
350 lines
9.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
|
|
# MIT License. See license.txt
|
|
from __future__ import unicode_literals
|
|
|
|
import os
|
|
from six import iteritems
|
|
import logging
|
|
|
|
from werkzeug.local import LocalManager
|
|
from werkzeug.wrappers import Request, Response
|
|
from werkzeug.exceptions import HTTPException, NotFound
|
|
from werkzeug.middleware.profiler import ProfilerMiddleware
|
|
from werkzeug.middleware.shared_data import SharedDataMiddleware
|
|
|
|
import frappe
|
|
import frappe.handler
|
|
import frappe.auth
|
|
import frappe.api
|
|
import frappe.utils.response
|
|
import frappe.website.render
|
|
from frappe.utils import get_site_name, sanitize_html
|
|
from frappe.middlewares import StaticDataMiddleware
|
|
from frappe.utils.error import make_error_snapshot
|
|
from frappe.core.doctype.comment.comment import update_comments_in_parent_after_request
|
|
from frappe import _
|
|
import frappe.recorder
|
|
import frappe.monitor
|
|
import frappe.rate_limiter
|
|
|
|
local_manager = LocalManager([frappe.local])
|
|
|
|
_site = None
|
|
_sites_path = os.environ.get("SITES_PATH", ".")
|
|
|
|
class RequestContext(object):
|
|
|
|
def __init__(self, environ):
|
|
self.request = Request(environ)
|
|
|
|
def __enter__(self):
|
|
init_request(self.request)
|
|
|
|
def __exit__(self, type, value, traceback):
|
|
frappe.destroy()
|
|
|
|
@Request.application
|
|
def application(request):
|
|
response = None
|
|
|
|
try:
|
|
rollback = True
|
|
|
|
init_request(request)
|
|
|
|
frappe.recorder.record()
|
|
frappe.monitor.start()
|
|
frappe.rate_limiter.apply()
|
|
frappe.api.validate_auth()
|
|
|
|
if request.method == "OPTIONS":
|
|
response = Response()
|
|
|
|
elif frappe.form_dict.cmd:
|
|
response = frappe.handler.handle()
|
|
|
|
elif request.path.startswith("/api/"):
|
|
response = frappe.api.handle()
|
|
|
|
elif request.path.startswith('/backups'):
|
|
response = frappe.utils.response.download_backup(request.path)
|
|
|
|
elif request.path.startswith('/private/files/'):
|
|
response = frappe.utils.response.download_private_file(request.path)
|
|
|
|
elif request.method in ('GET', 'HEAD', 'POST'):
|
|
response = frappe.website.render.render()
|
|
|
|
else:
|
|
raise NotFound
|
|
|
|
except HTTPException as e:
|
|
return e
|
|
|
|
except frappe.SessionStopped as e:
|
|
response = frappe.utils.response.handle_session_stopped()
|
|
|
|
except Exception as e:
|
|
response = handle_exception(e)
|
|
|
|
else:
|
|
rollback = after_request(rollback)
|
|
|
|
finally:
|
|
if request.method in ("POST", "PUT") and frappe.db and rollback:
|
|
frappe.db.rollback()
|
|
|
|
frappe.rate_limiter.update()
|
|
frappe.monitor.stop(response)
|
|
frappe.recorder.dump()
|
|
|
|
log_request(request, response)
|
|
process_response(response)
|
|
frappe.destroy()
|
|
|
|
return response
|
|
|
|
def init_request(request):
|
|
frappe.local.request = request
|
|
frappe.local.is_ajax = frappe.get_request_header("X-Requested-With")=="XMLHttpRequest"
|
|
|
|
site = _site or request.headers.get('X-Frappe-Site-Name') or get_site_name(request.host)
|
|
frappe.init(site=site, sites_path=_sites_path)
|
|
|
|
if not (frappe.local.conf and frappe.local.conf.db_name):
|
|
# site does not exist
|
|
raise NotFound
|
|
|
|
if frappe.local.conf.get('maintenance_mode'):
|
|
frappe.connect()
|
|
raise frappe.SessionStopped('Session Stopped')
|
|
else:
|
|
frappe.connect(set_admin_as_user=False)
|
|
|
|
make_form_dict(request)
|
|
|
|
if request.method != "OPTIONS":
|
|
frappe.local.http_request = frappe.auth.HTTPRequest()
|
|
|
|
def log_request(request, response):
|
|
if hasattr(frappe.local, 'conf') and frappe.local.conf.enable_frappe_logger:
|
|
frappe.logger("frappe.web", allow_site=frappe.local.site).info({
|
|
"site": get_site_name(request.host),
|
|
"remote_addr": getattr(request, "remote_addr", "NOTFOUND"),
|
|
"base_url": getattr(request, "base_url", "NOTFOUND"),
|
|
"full_path": getattr(request, "full_path", "NOTFOUND"),
|
|
"method": getattr(request, "method", "NOTFOUND"),
|
|
"scheme": getattr(request, "scheme", "NOTFOUND"),
|
|
"http_status_code": getattr(response, "status_code", "NOTFOUND")
|
|
})
|
|
|
|
|
|
def process_response(response):
|
|
if not response:
|
|
return
|
|
|
|
# set cookies
|
|
if hasattr(frappe.local, 'cookie_manager'):
|
|
frappe.local.cookie_manager.flush_cookies(response=response)
|
|
|
|
# rate limiter headers
|
|
if hasattr(frappe.local, 'rate_limiter'):
|
|
response.headers.extend(frappe.local.rate_limiter.headers())
|
|
|
|
# CORS headers
|
|
if hasattr(frappe.local, 'conf') and frappe.conf.allow_cors:
|
|
set_cors_headers(response)
|
|
|
|
def set_cors_headers(response):
|
|
origin = frappe.request.headers.get('Origin')
|
|
allow_cors = frappe.conf.allow_cors
|
|
if not (origin and allow_cors):
|
|
return
|
|
|
|
if allow_cors != "*":
|
|
if not isinstance(allow_cors, list):
|
|
allow_cors = [allow_cors]
|
|
|
|
if origin not in allow_cors:
|
|
return
|
|
|
|
response.headers.extend({
|
|
'Access-Control-Allow-Origin': origin,
|
|
'Access-Control-Allow-Credentials': 'true',
|
|
'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, OPTIONS',
|
|
'Access-Control-Allow-Headers': ('Authorization,DNT,X-Mx-ReqToken,'
|
|
'Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,'
|
|
'Cache-Control,Content-Type')
|
|
})
|
|
|
|
def make_form_dict(request):
|
|
import json
|
|
|
|
request_data = request.get_data(as_text=True)
|
|
if 'application/json' in (request.content_type or '') and request_data:
|
|
args = json.loads(request_data)
|
|
else:
|
|
args = request.form or request.args
|
|
|
|
if not isinstance(args, dict):
|
|
frappe.throw(_("Invalid request arguments"))
|
|
|
|
try:
|
|
frappe.local.form_dict = frappe._dict({ k:v[0] if isinstance(v, (list, tuple)) else v \
|
|
for k, v in iteritems(args) })
|
|
except IndexError:
|
|
frappe.local.form_dict = frappe._dict(args)
|
|
|
|
if "_" in frappe.local.form_dict:
|
|
# _ is passed by $.ajax so that the request is not cached by the browser. So, remove _ from form_dict
|
|
frappe.local.form_dict.pop("_")
|
|
|
|
def handle_exception(e):
|
|
response = None
|
|
http_status_code = getattr(e, "http_status_code", 500)
|
|
return_as_message = False
|
|
accept_header = frappe.get_request_header("Accept") or ""
|
|
respond_as_json = (
|
|
frappe.get_request_header('Accept')
|
|
and (frappe.local.is_ajax or 'application/json' in accept_header)
|
|
or (
|
|
frappe.local.request.path.startswith("/api/") and not accept_header.startswith("text")
|
|
)
|
|
)
|
|
|
|
if frappe.conf.get('developer_mode'):
|
|
# don't fail silently
|
|
print(frappe.get_traceback())
|
|
|
|
if respond_as_json:
|
|
# handle ajax responses first
|
|
# if the request is ajax, send back the trace or error message
|
|
response = frappe.utils.response.report_error(http_status_code)
|
|
|
|
elif (http_status_code==500
|
|
and (frappe.db and isinstance(e, frappe.db.InternalError))
|
|
and (frappe.db and (frappe.db.is_deadlocked(e) or frappe.db.is_timedout(e)))):
|
|
http_status_code = 508
|
|
|
|
elif http_status_code==401:
|
|
frappe.respond_as_web_page(_("Session Expired"),
|
|
_("Your session has expired, please login again to continue."),
|
|
http_status_code=http_status_code, indicator_color='red')
|
|
return_as_message = True
|
|
|
|
elif http_status_code==403:
|
|
frappe.respond_as_web_page(_("Not Permitted"),
|
|
_("You do not have enough permissions to complete the action"),
|
|
http_status_code=http_status_code, indicator_color='red')
|
|
return_as_message = True
|
|
|
|
elif http_status_code==404:
|
|
frappe.respond_as_web_page(_("Not Found"),
|
|
_("The resource you are looking for is not available"),
|
|
http_status_code=http_status_code, indicator_color='red')
|
|
return_as_message = True
|
|
|
|
elif http_status_code == 429:
|
|
response = frappe.rate_limiter.respond()
|
|
|
|
else:
|
|
traceback = "<pre>" + sanitize_html(frappe.get_traceback()) + "</pre>"
|
|
# disable traceback in production if flag is set
|
|
if frappe.local.flags.disable_traceback and not frappe.local.dev_server:
|
|
traceback = ""
|
|
|
|
frappe.respond_as_web_page("Server Error",
|
|
traceback, http_status_code=http_status_code,
|
|
indicator_color='red', width=640)
|
|
return_as_message = True
|
|
|
|
if e.__class__ == frappe.AuthenticationError:
|
|
if hasattr(frappe.local, "login_manager"):
|
|
frappe.local.login_manager.clear_cookies()
|
|
|
|
if http_status_code >= 500:
|
|
make_error_snapshot(e)
|
|
|
|
if return_as_message:
|
|
response = frappe.website.render.render("message",
|
|
http_status_code=http_status_code)
|
|
|
|
return response
|
|
|
|
def after_request(rollback):
|
|
if (frappe.local.request.method in ("POST", "PUT") or frappe.local.flags.commit) and frappe.db:
|
|
if frappe.db.transaction_writes:
|
|
frappe.db.commit()
|
|
rollback = False
|
|
|
|
# update session
|
|
if getattr(frappe.local, "session_obj", None):
|
|
updated_in_db = frappe.local.session_obj.update()
|
|
if updated_in_db:
|
|
frappe.db.commit()
|
|
rollback = False
|
|
|
|
update_comments_in_parent_after_request()
|
|
|
|
return rollback
|
|
|
|
application = local_manager.make_middleware(application)
|
|
|
|
def serve(port=8000, profile=False, no_reload=False, no_threading=False, site=None, sites_path='.'):
|
|
global application, _site, _sites_path
|
|
_site = site
|
|
_sites_path = sites_path
|
|
|
|
from werkzeug.serving import run_simple
|
|
patch_werkzeug_reloader()
|
|
|
|
if profile or os.environ.get('USE_PROFILER'):
|
|
application = ProfilerMiddleware(application, sort_by=('cumtime', 'calls'))
|
|
|
|
if not os.environ.get('NO_STATICS'):
|
|
application = SharedDataMiddleware(application, {
|
|
str('/assets'): str(os.path.join(sites_path, 'assets'))
|
|
})
|
|
|
|
application = StaticDataMiddleware(application, {
|
|
str('/files'): str(os.path.abspath(sites_path))
|
|
})
|
|
|
|
application.debug = True
|
|
application.config = {
|
|
'SERVER_NAME': 'localhost:8000'
|
|
}
|
|
|
|
log = logging.getLogger('werkzeug')
|
|
log.propagate = False
|
|
|
|
in_test_env = os.environ.get('CI')
|
|
if in_test_env:
|
|
log.setLevel(logging.ERROR)
|
|
|
|
run_simple('0.0.0.0', int(port), application,
|
|
use_reloader=False if in_test_env else not no_reload,
|
|
use_debugger=not in_test_env,
|
|
use_evalex=not in_test_env,
|
|
threaded=not no_threading)
|
|
|
|
def patch_werkzeug_reloader():
|
|
"""
|
|
This function monkey patches Werkzeug reloader to ignore reloading files in
|
|
the __pycache__ directory.
|
|
|
|
To be deprecated when upgrading to Werkzeug 2.
|
|
"""
|
|
|
|
from werkzeug._reloader import WatchdogReloaderLoop
|
|
|
|
trigger_reload = WatchdogReloaderLoop.trigger_reload
|
|
|
|
def custom_trigger_reload(self, filename):
|
|
if os.path.basename(os.path.dirname(filename)) == "__pycache__":
|
|
return
|
|
|
|
return trigger_reload(self, filename)
|
|
|
|
WatchdogReloaderLoop.trigger_reload = custom_trigger_reload
|