283 lines
7.4 KiB
Python
Executable file
283 lines
7.4 KiB
Python
Executable file
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# License: MIT. See LICENSE
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from werkzeug.wrappers import Response
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import frappe
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import frappe.utils
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import frappe.sessions
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from frappe.utils import cint
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from frappe import _, is_whitelisted
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from frappe.utils.response import build_response
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from frappe.utils.csvutils import build_csv_response
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from frappe.utils.image import optimize_image
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from mimetypes import guess_type
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from frappe.core.doctype.server_script.server_script_utils import get_server_script_map
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ALLOWED_MIMETYPES = ('image/png', 'image/jpeg', 'application/pdf', 'application/msword',
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'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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'application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
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'application/vnd.oasis.opendocument.text', 'application/vnd.oasis.opendocument.spreadsheet')
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def handle():
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"""handle request"""
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cmd = frappe.local.form_dict.cmd
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data = None
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if cmd != 'login':
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data = execute_cmd(cmd)
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# data can be an empty string or list which are valid responses
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if data is not None:
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if isinstance(data, Response):
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# method returns a response object, pass it on
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return data
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# add the response to `message` label
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frappe.response['message'] = data
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return build_response("json")
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def execute_cmd(cmd, from_async=False):
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"""execute a request as python module"""
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for hook in frappe.get_hooks("override_whitelisted_methods", {}).get(cmd, []):
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# override using the first hook
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cmd = hook
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break
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# via server script
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server_script = get_server_script_map().get('_api', {}).get(cmd)
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if server_script:
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return run_server_script(server_script)
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try:
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method = get_attr(cmd)
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except Exception as e:
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frappe.throw(_('Failed to get method for command {0} with {1}').format(cmd, e))
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if from_async:
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method = method.queue
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if method != run_doc_method:
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is_whitelisted(method)
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is_valid_http_method(method)
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return frappe.call(method, **frappe.form_dict)
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def run_server_script(server_script):
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response = frappe.get_doc('Server Script', server_script).execute_method()
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# some server scripts return output using flags (empty dict by default),
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# while others directly modify frappe.response
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# return flags if not empty dict (this overwrites frappe.response.message)
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if response != {}:
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return response
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def is_valid_http_method(method):
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if frappe.flags.in_safe_exec:
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return
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http_method = frappe.local.request.method
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if http_method not in frappe.allowed_http_methods_for_whitelisted_func[method]:
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throw_permission_error()
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def throw_permission_error():
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frappe.throw(_("Not permitted"), frappe.PermissionError)
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@frappe.whitelist(allow_guest=True)
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def version():
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return frappe.__version__
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@frappe.whitelist(allow_guest=True)
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def logout():
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frappe.local.login_manager.logout()
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frappe.db.commit()
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@frappe.whitelist(allow_guest=True)
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def web_logout():
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frappe.local.login_manager.logout()
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frappe.db.commit()
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frappe.respond_as_web_page(_("Logged Out"), _("You have been successfully logged out"),
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indicator_color='green')
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@frappe.whitelist()
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def uploadfile():
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ret = None
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try:
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if frappe.form_dict.get('from_form'):
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try:
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ret = frappe.get_doc({
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"doctype": "File",
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"attached_to_name": frappe.form_dict.docname,
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"attached_to_doctype": frappe.form_dict.doctype,
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"attached_to_field": frappe.form_dict.docfield,
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"file_url": frappe.form_dict.file_url,
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"file_name": frappe.form_dict.filename,
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"is_private": frappe.utils.cint(frappe.form_dict.is_private),
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"content": frappe.form_dict.filedata,
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"decode": True
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})
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ret.save()
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except frappe.DuplicateEntryError:
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# ignore pass
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ret = None
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frappe.db.rollback()
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else:
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if frappe.form_dict.get('method'):
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method = frappe.get_attr(frappe.form_dict.method)
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is_whitelisted(method)
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ret = method()
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except Exception:
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frappe.errprint(frappe.utils.get_traceback())
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frappe.response['http_status_code'] = 500
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ret = None
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return ret
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@frappe.whitelist(allow_guest=True)
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def upload_file():
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user = None
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if frappe.session.user == 'Guest':
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if frappe.get_system_settings('allow_guests_to_upload_files'):
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ignore_permissions = True
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else:
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return
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else:
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user = frappe.get_doc("User", frappe.session.user)
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ignore_permissions = False
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files = frappe.request.files
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is_private = frappe.form_dict.is_private
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doctype = frappe.form_dict.doctype
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docname = frappe.form_dict.docname
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fieldname = frappe.form_dict.fieldname
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file_url = frappe.form_dict.file_url
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folder = frappe.form_dict.folder or 'Home'
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method = frappe.form_dict.method
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filename = frappe.form_dict.file_name
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optimize = frappe.form_dict.optimize
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content = None
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if 'file' in files:
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file = files['file']
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content = file.stream.read()
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filename = file.filename
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content_type = guess_type(filename)[0]
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if optimize and content_type.startswith("image/"):
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args = {
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"content": content,
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"content_type": content_type
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}
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if frappe.form_dict.max_width:
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args["max_width"] = int(frappe.form_dict.max_width)
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if frappe.form_dict.max_height:
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args["max_height"] = int(frappe.form_dict.max_height)
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content = optimize_image(**args)
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frappe.local.uploaded_file = content
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frappe.local.uploaded_filename = filename
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if not file_url and (frappe.session.user == "Guest" or (user and not user.has_desk_access())):
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filetype = guess_type(filename)[0]
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if filetype not in ALLOWED_MIMETYPES:
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frappe.throw(_("You can only upload JPG, PNG, PDF, or Microsoft documents."))
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if method:
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method = frappe.get_attr(method)
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is_whitelisted(method)
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return method()
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else:
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ret = frappe.get_doc({
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"doctype": "File",
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"attached_to_doctype": doctype,
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"attached_to_name": docname,
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"attached_to_field": fieldname,
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"folder": folder,
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"file_name": filename,
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"file_url": file_url,
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"is_private": cint(is_private),
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"content": content
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})
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ret.save(ignore_permissions=ignore_permissions)
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return ret
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def get_attr(cmd):
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"""get method object from cmd"""
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if '.' in cmd:
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method = frappe.get_attr(cmd)
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else:
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method = globals()[cmd]
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frappe.log("method:" + cmd)
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return method
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@frappe.whitelist(allow_guest=True)
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def ping():
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return "pong"
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def run_doc_method(method, docs=None, dt=None, dn=None, arg=None, args=None):
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"""run a whitelisted controller method"""
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import json
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import inspect
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if not args:
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args = arg or ""
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if dt: # not called from a doctype (from a page)
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if not dn:
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dn = dt # single
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doc = frappe.get_doc(dt, dn)
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else:
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if isinstance(docs, str):
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docs = json.loads(docs)
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doc = frappe.get_doc(docs)
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doc._original_modified = doc.modified
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doc.check_if_latest()
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if not doc or not doc.has_permission("read"):
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throw_permission_error()
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try:
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args = json.loads(args)
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except ValueError:
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args = args
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method_obj = getattr(doc, method)
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fn = getattr(method_obj, '__func__', method_obj)
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is_whitelisted(fn)
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is_valid_http_method(fn)
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fnargs = inspect.getfullargspec(method_obj).args
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if not fnargs or (len(fnargs)==1 and fnargs[0]=="self"):
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response = doc.run_method(method)
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elif "args" in fnargs or not isinstance(args, dict):
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response = doc.run_method(method, args)
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else:
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response = doc.run_method(method, **args)
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frappe.response.docs.append(doc)
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if response is None:
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return
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# build output as csv
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if cint(frappe.form_dict.get('as_csv')):
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build_csv_response(response, _(doc.doctype).replace(' ', ''))
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return
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frappe.response['message'] = response
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# for backwards compatibility
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runserverobj = run_doc_method
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