seitime-frappe/frappe/integrations/oauth2.py

189 lines
No EOL
6.4 KiB
Python

from __future__ import unicode_literals
import frappe, json
from frappe.oauth import OAuthWebRequestValidator, WebApplicationServer
from oauthlib.oauth2 import FatalClientError, OAuth2Error
from urllib import urlencode
from six.moves.urllib.parse import quote
from werkzeug import url_fix
from six.moves.urllib.parse import urlparse
from frappe.integrations.doctype.oauth_provider_settings.oauth_provider_settings import get_oauth_settings
from frappe import _
def get_oauth_server():
if not getattr(frappe.local, 'oauth_server', None):
oauth_validator = OAuthWebRequestValidator()
frappe.local.oauth_server = WebApplicationServer(oauth_validator)
return frappe.local.oauth_server
def get_urlparams_from_kwargs(param_kwargs):
arguments = param_kwargs
if arguments.get("data"):
arguments.pop("data")
if arguments.get("cmd"):
arguments.pop("cmd")
return urlencode(arguments)
@frappe.whitelist()
def approve(*args, **kwargs):
r = frappe.request
uri = url_fix(r.url.replace("+"," "))
http_method = r.method
body = r.get_data()
headers = r.headers
try:
scopes, frappe.flags.oauth_credentials = get_oauth_server().validate_authorization_request(uri, http_method, body, headers)
headers, body, status = get_oauth_server().create_authorization_response(uri=frappe.flags.oauth_credentials['redirect_uri'], \
body=body, headers=headers, scopes=scopes, credentials=frappe.flags.oauth_credentials)
uri = headers.get('Location', None)
frappe.local.response["type"] = "redirect"
frappe.local.response["location"] = uri
except FatalClientError as e:
return e
except OAuth2Error as e:
return e
@frappe.whitelist(allow_guest=True)
def authorize(*args, **kwargs):
#Fetch provider URL from settings
oauth_settings = get_oauth_settings()
params = get_urlparams_from_kwargs(kwargs)
request_url = urlparse(frappe.request.url)
success_url = request_url.scheme + "://" + request_url.netloc + "/api/method/frappe.integrations.oauth2.approve?" + params
failure_url = frappe.form_dict["redirect_uri"] + "?error=access_denied"
if frappe.session['user']=='Guest':
#Force login, redirect to preauth again.
frappe.local.response["type"] = "redirect"
frappe.local.response["location"] = "/login?redirect-to=/api/method/frappe.integrations.oauth2.authorize?" + quote(params.replace("+"," "))
elif frappe.session['user']!='Guest':
try:
r = frappe.request
uri = url_fix(r.url)
http_method = r.method
body = r.get_data()
headers = r.headers
scopes, frappe.flags.oauth_credentials = get_oauth_server().validate_authorization_request(uri, http_method, body, headers)
skip_auth = frappe.db.get_value("OAuth Client", frappe.flags.oauth_credentials['client_id'], "skip_authorization")
unrevoked_tokens = frappe.get_all("OAuth Bearer Token", filters={"status":"Active"})
if skip_auth or (oauth_settings["skip_authorization"] == "Auto" and len(unrevoked_tokens)):
frappe.local.response["type"] = "redirect"
frappe.local.response["location"] = success_url
else:
#Show Allow/Deny screen.
response_html_params = frappe._dict({
"client_id": frappe.db.get_value("OAuth Client", kwargs['client_id'], "app_name"),
"success_url": success_url,
"failure_url": failure_url,
"details": scopes
})
resp_html = frappe.render_template("templates/includes/oauth_confirmation.html", response_html_params)
frappe.respond_as_web_page("Confirm Access", resp_html)
except FatalClientError as e:
return e
except OAuth2Error as e:
return e
@frappe.whitelist(allow_guest=True)
def get_token(*args, **kwargs):
r = frappe.request
uri = url_fix(r.url)
http_method = r.method
body = r.form
headers = r.headers
#Check whether frappe server URL is set
frappe_server_url = frappe.db.get_value("Social Login Keys", None, "frappe_server_url") or None
if not frappe_server_url:
frappe.throw(_("Define Frappe Server URL in Social Login Keys"))
try:
headers, body, status = get_oauth_server().create_token_response(uri, http_method, body, headers, frappe.flags.oauth_credentials)
out = frappe._dict(json.loads(body))
if not out.error and "openid" in out.scope:
token_user = frappe.db.get_value("OAuth Bearer Token", out.access_token, "user")
token_client = frappe.db.get_value("OAuth Bearer Token", out.access_token, "client")
client_secret = frappe.db.get_value("OAuth Client", token_client, "client_secret")
if token_user in ["Guest", "Administrator"]:
frappe.throw(_("Logged in as Guest or Administrator"))
import hashlib
id_token_header = {
"typ":"jwt",
"alg":"HS256"
}
id_token = {
"aud": token_client,
"exp": int((frappe.db.get_value("OAuth Bearer Token", out.access_token, "expiration_time") - frappe.utils.datetime.datetime(1970, 1, 1)).total_seconds()),
"sub": frappe.db.get_value("User", token_user, "frappe_userid"),
"iss": frappe_server_url,
"at_hash": frappe.oauth.calculate_at_hash(out.access_token, hashlib.sha256)
}
import jwt
id_token_encoded = jwt.encode(id_token, client_secret, algorithm='HS256', headers=id_token_header)
out.update({"id_token":id_token_encoded})
frappe.local.response = out
except FatalClientError as e:
return e
@frappe.whitelist(allow_guest=True)
def revoke_token(*args, **kwargs):
r = frappe.request
uri = url_fix(r.url)
http_method = r.method
body = r.form
headers = r.headers
headers, body, status = get_oauth_server().create_revocation_response(uri, headers=headers, body=body, http_method=http_method)
frappe.local.response['http_status_code'] = status
if status == 200:
return "success"
else:
return "bad request"
@frappe.whitelist()
def openid_profile(*args, **kwargs):
picture = None
first_name, last_name, avatar, name, frappe_userid = frappe.db.get_value("User", frappe.session.user, ["first_name", "last_name", "user_image", "name", "frappe_userid"])
request_url = urlparse(frappe.request.url)
if avatar:
if validate_url(avatar):
picture = avatar
else:
picture = request_url.scheme + "://" + request_url.netloc + avatar
user_profile = frappe._dict({
"sub": frappe_userid,
"name": " ".join(filter(None, [first_name, last_name])),
"given_name": first_name,
"family_name": last_name,
"email": name,
"picture": picture
})
frappe.local.response = user_profile
def validate_url(url_string):
try:
result = urlparse(url_string)
if result.scheme and result.scheme in ["http", "https", "ftp", "ftps"]:
return True
else:
return False
except:
return False