b31f3c24f6
* feat: add parent, parenttype, idx, parentfield columns to doctypes when transitioning from normal -> child table * fix: remove parent, parenttype, parentfield, idx from DocType DocType
261 lines
7.7 KiB
Python
261 lines
7.7 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: MIT. See LICENSE
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import base64
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import binascii
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import json
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from urllib.parse import urlencode, urlparse
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import frappe
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import frappe.client
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import frappe.handler
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from frappe import _
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from frappe.utils.response import build_response
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from frappe.utils.data import sbool
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def handle():
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"""
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Handler for `/api` methods
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### Examples:
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`/api/method/{methodname}` will call a whitelisted method
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`/api/resource/{doctype}` will query a table
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examples:
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- `?fields=["name", "owner"]`
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- `?filters=[["Task", "name", "like", "%005"]]`
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- `?limit_start=0`
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- `?limit_page_length=20`
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`/api/resource/{doctype}/{name}` will point to a resource
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`GET` will return doclist
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`POST` will insert
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`PUT` will update
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`DELETE` will delete
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`/api/resource/{doctype}/{name}?run_method={method}` will run a whitelisted controller method
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"""
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parts = frappe.request.path[1:].split("/",3)
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call = doctype = name = None
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if len(parts) > 1:
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call = parts[1]
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if len(parts) > 2:
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doctype = parts[2]
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if len(parts) > 3:
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name = parts[3]
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if call=="method":
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frappe.local.form_dict.cmd = doctype
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return frappe.handler.handle()
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elif call=="resource":
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if "run_method" in frappe.local.form_dict:
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method = frappe.local.form_dict.pop("run_method")
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doc = frappe.get_doc(doctype, name)
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doc.is_whitelisted(method)
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if frappe.local.request.method=="GET":
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if not doc.has_permission("read"):
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frappe.throw(_("Not permitted"), frappe.PermissionError)
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frappe.local.response.update({"data": doc.run_method(method, **frappe.local.form_dict)})
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if frappe.local.request.method=="POST":
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if not doc.has_permission("write"):
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frappe.throw(_("Not permitted"), frappe.PermissionError)
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frappe.local.response.update({"data": doc.run_method(method, **frappe.local.form_dict)})
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frappe.db.commit()
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else:
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if name:
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if frappe.local.request.method=="GET":
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doc = frappe.get_doc(doctype, name)
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if not doc.has_permission("read"):
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raise frappe.PermissionError
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frappe.local.response.update({"data": doc})
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if frappe.local.request.method=="PUT":
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data = get_request_form_data()
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doc = frappe.get_doc(doctype, name, for_update=True)
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if "flags" in data:
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del data["flags"]
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# Not checking permissions here because it's checked in doc.save
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doc.update(data)
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frappe.local.response.update({
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"data": doc.save().as_dict()
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})
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# check for child table doctype
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if doc.get("parenttype"):
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frappe.get_doc(doc.parenttype, doc.parent).save()
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frappe.db.commit()
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if frappe.local.request.method == "DELETE":
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# Not checking permissions here because it's checked in delete_doc
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frappe.delete_doc(doctype, name, ignore_missing=False)
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frappe.local.response.http_status_code = 202
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frappe.local.response.message = "ok"
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frappe.db.commit()
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elif doctype:
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if frappe.local.request.method == "GET":
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# set fields for frappe.get_list
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if frappe.local.form_dict.get("fields"):
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frappe.local.form_dict["fields"] = json.loads(frappe.local.form_dict["fields"])
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# set limit of records for frappe.get_list
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frappe.local.form_dict.setdefault(
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"limit_page_length",
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frappe.local.form_dict.limit or frappe.local.form_dict.limit_page_length or 20,
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)
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# convert strings to native types - only as_dict and debug accept bool
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for param in ["as_dict", "debug"]:
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param_val = frappe.local.form_dict.get(param)
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if param_val is not None:
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frappe.local.form_dict[param] = sbool(param_val)
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# evaluate frappe.get_list
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data = frappe.call(frappe.client.get_list, doctype, **frappe.local.form_dict)
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# set frappe.get_list result to response
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frappe.local.response.update({"data": data})
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if frappe.local.request.method == "POST":
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# fetch data from from dict
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data = get_request_form_data()
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data.update({"doctype": doctype})
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# insert document from request data
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doc = frappe.get_doc(data).insert()
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# set response data
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frappe.local.response.update({"data": doc.as_dict()})
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# commit for POST requests
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frappe.db.commit()
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else:
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raise frappe.DoesNotExistError
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else:
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raise frappe.DoesNotExistError
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return build_response("json")
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def get_request_form_data():
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if frappe.local.form_dict.data is None:
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data = frappe.safe_decode(frappe.local.request.get_data())
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else:
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data = frappe.local.form_dict.data
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return frappe.parse_json(data)
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def validate_auth():
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"""
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Authenticate and sets user for the request.
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"""
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authorization_header = frappe.get_request_header("Authorization", str()).split(" ")
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if len(authorization_header) == 2:
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validate_oauth(authorization_header)
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validate_auth_via_api_keys(authorization_header)
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validate_auth_via_hooks()
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def validate_oauth(authorization_header):
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"""
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Authenticate request using OAuth and set session user
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Args:
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authorization_header (list of str): The 'Authorization' header containing the prefix and token
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"""
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from frappe.integrations.oauth2 import get_oauth_server
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from frappe.oauth import get_url_delimiter
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form_dict = frappe.local.form_dict
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token = authorization_header[1]
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req = frappe.request
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parsed_url = urlparse(req.url)
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access_token = {"access_token": token}
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uri = parsed_url.scheme + "://" + parsed_url.netloc + parsed_url.path + "?" + urlencode(access_token)
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http_method = req.method
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headers = req.headers
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body = req.get_data()
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if req.content_type and "multipart/form-data" in req.content_type:
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body = None
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try:
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required_scopes = frappe.db.get_value("OAuth Bearer Token", token, "scopes").split(get_url_delimiter())
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valid, oauthlib_request = get_oauth_server().verify_request(uri, http_method, body, headers, required_scopes)
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if valid:
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frappe.set_user(frappe.db.get_value("OAuth Bearer Token", token, "user"))
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frappe.local.form_dict = form_dict
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except AttributeError:
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pass
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def validate_auth_via_api_keys(authorization_header):
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"""
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Authenticate request using API keys and set session user
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Args:
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authorization_header (list of str): The 'Authorization' header containing the prefix and token
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"""
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try:
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auth_type, auth_token = authorization_header
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authorization_source = frappe.get_request_header("Frappe-Authorization-Source")
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if auth_type.lower() == 'basic':
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api_key, api_secret = frappe.safe_decode(base64.b64decode(auth_token)).split(":")
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validate_api_key_secret(api_key, api_secret, authorization_source)
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elif auth_type.lower() == 'token':
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api_key, api_secret = auth_token.split(":")
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validate_api_key_secret(api_key, api_secret, authorization_source)
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except binascii.Error:
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frappe.throw(_("Failed to decode token, please provide a valid base64-encoded token."), frappe.InvalidAuthorizationToken)
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except (AttributeError, TypeError, ValueError):
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pass
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def validate_api_key_secret(api_key, api_secret, frappe_authorization_source=None):
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"""frappe_authorization_source to provide api key and secret for a doctype apart from User"""
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doctype = frappe_authorization_source or 'User'
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doc = frappe.db.get_value(
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doctype=doctype,
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filters={"api_key": api_key},
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fieldname=["name"]
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)
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form_dict = frappe.local.form_dict
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doc_secret = frappe.utils.password.get_decrypted_password(doctype, doc, fieldname='api_secret')
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if api_secret == doc_secret:
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if doctype == 'User':
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user = frappe.db.get_value(
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doctype="User",
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filters={"api_key": api_key},
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fieldname=["name"]
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)
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else:
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user = frappe.db.get_value(doctype, doc, 'user')
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if frappe.local.login_manager.user in ('', 'Guest'):
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frappe.set_user(user)
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frappe.local.form_dict = form_dict
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def validate_auth_via_hooks():
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for auth_hook in frappe.get_hooks('auth_hooks', []):
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frappe.get_attr(auth_hook)()
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