Merge PR #55 into 17.0

Signed-off-by simahawk

requirements.txt

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+# generated from manifests external_dependencies
+oauthlib
+requests-oauthlib

test-requirements.txt

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+responses

webservice/README.rst

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+==========
+WebService
+==========
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:44ac7b2e56db131da94f2a4ed85bb452eae8657d761490ffa97b08b268d6f9fe
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Production%2FStable-green.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Production/Stable
+.. |badge2| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fweb--api-lightgray.png?logo=github
+    :target: https://github.com/OCA/web-api/tree/17.0/webservice
+    :alt: OCA/web-api
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/web-api-17-0/web-api-17-0-webservice
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/web-api&target_branch=17.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module creates WebService frameworks to be used globally
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/web-api/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/web-api/issues/new?body=module:%20webservice%0Aversion:%2017.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+-------
+
+* Creu Blanca
+* Camptocamp
+
+Contributors
+------------
+
+-  Enric Tobella <[email protected]>
+-  Alexandre Fayolle <[email protected]>
+
+Maintainers
+-----------
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+.. |maintainer-etobella| image:: https://github.com/etobella.png?size=40px
+    :target: https://github.com/etobella
+    :alt: etobella
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-etobella| 
+
+This module is part of the `OCA/web-api <https://github.com/OCA/web-api/tree/17.0/webservice>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

webservice/__init__.py

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+from . import components
+from . import models
+from . import controllers

webservice/__manifest__.py

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+# Copyright 2020 Creu Blanca
+# Copyright 2022 Camptocamp SA
+# @author Simone Orsi <[email protected]>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "WebService",
+    "summary": """Defines webservice abstract definition to be used generally""",
+    "version": "17.0.1.0.0",
+    "license": "AGPL-3",
+    "development_status": "Production/Stable",
+    "maintainers": ["etobella"],
+    "author": "Creu Blanca, Camptocamp, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/web-api",
+    "depends": ["component", "server_environment"],
+    "external_dependencies": {"python": ["requests-oauthlib", "oauthlib"]},
+    "data": [
+        "security/ir.model.access.csv",
+        "security/ir_rule.xml",
+        "views/webservice_backend.xml",
+    ],
+    "demo": [],
+}

webservice/components/__init__.py

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+from . import base_adapter
+from . import request_adapter

webservice/components/base_adapter.py

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+# Copyright 2020 Creu Blanca
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo.addons.component.core import AbstractComponent
+
+
+class BaseWebServiceAdapter(AbstractComponent):
+    _name = "base.webservice.adapter"
+    _collection = "webservice.backend"
+    _webservice_protocol = False
+    _usage = "webservice.request"
+
+    @classmethod
+    def _component_match(cls, work, usage=None, model_name=None, **kw):
+        """Override to customize match.
+
+        Registry lookup filtered by usage and model_name when landing here.
+        Now, narrow match to `_match_attrs` attributes.
+        """
+        return kw.get("webservice_protocol") in (None, cls._webservice_protocol)

webservice/components/request_adapter.py

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+# Copyright 2020 Creu Blanca
+# Copyright 2022 Camptocamp SA
+# @author Simone Orsi <[email protected]>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+import json
+import logging
+import time
+
+import requests
+from oauthlib.oauth2 import BackendApplicationClient, WebApplicationClient
+from requests_oauthlib import OAuth2Session
+
+from odoo.addons.component.core import Component
+
+_logger = logging.getLogger(__name__)
+
+
+class BaseRestRequestsAdapter(Component):
+    _name = "base.requests"
+    _webservice_protocol = "http"
+    _inherit = "base.webservice.adapter"
+
+    # TODO: url and url_params could come from work_ctx
+    def _request(self, method, url=None, url_params=None, **kwargs):
+        url = self._get_url(url=url, url_params=url_params)
+        new_kwargs = kwargs.copy()
+        new_kwargs.update(
+            {
+                "auth": self._get_auth(**kwargs),
+                "headers": self._get_headers(**kwargs),
+                "timeout": None,
+            }
+        )
+        # pylint: disable=E8106
+        request = requests.request(method, url, **new_kwargs)
+        request.raise_for_status()
+        return request.content
+
+    def get(self, **kwargs):
+        return self._request("get", **kwargs)
+
+    def post(self, **kwargs):
+        return self._request("post", **kwargs)
+
+    def put(self, **kwargs):
+        return self._request("put", **kwargs)
+
+    def _get_auth(self, auth=False, **kwargs):
+        if auth:
+            return auth
+        handler = getattr(self, "_get_auth_for_" + self.collection.auth_type, None)
+        return handler(**kwargs) if handler else None
+
+    def _get_auth_for_user_pwd(self, **kw):
+        if self.collection.username and self.collection.password:
+            return self.collection.username, self.collection.password
+        return None
+
+    def _get_headers(self, content_type=False, headers=False, **kwargs):
+        headers = headers or {}
+        result = {
+            "Content-Type": content_type or self.collection.content_type,
+        }
+        handler = getattr(self, "_get_headers_for_" + self.collection.auth_type, None)
+        if handler:
+            headers.update(handler(**kwargs))
+        result.update(headers)
+        return result
+
+    def _get_headers_for_api_key(self, **kw):
+        return {self.collection.api_key_header: self.collection.api_key}
+
+    def _get_url(self, url=None, url_params=None, **kwargs):
+        if not url:
+            url = self.collection.url
+        elif not url.startswith(self.collection.url):
+            if not url.startswith("http"):
+                url = f"{self.collection.url.rstrip('/')}/{url.lstrip('/')}"
+            else:
+                # TODO: if url is given, we should validate the domain
+                # to avoid abusing a webservice backend for different calls.
+                pass
+
+        url_params = url_params or kwargs
+        return url.format(**url_params)
+
+
+class BackendApplicationOAuth2RestRequestsAdapter(Component):
+    _name = "oauth2.requests.backend.application"
+    _webservice_protocol = "http+oauth2-backend_application"
+    _inherit = "base.requests"
+
+    def get_client(self, oauth_params: dict):
+        return BackendApplicationClient(client_id=oauth_params["oauth2_clientid"])
+
+    def __init__(self, *args, **kw):
+        super().__init__(*args, **kw)
+        # cached value to avoid hitting the database each time we need the token
+        self._token = {}
+
+    def _is_token_valid(self, token):
+        """Validate given oauth2 token.
+
+        We consider that a token in valid if it has at least 10% of
+        its valid duration. So if a token has a validity of 1h, we will
+        renew it if we try to use it 6 minutes before its expiration date.
+        """
+        expires_at = token.get("expires_at", 0)
+        expires_in = token.get("expires_in", 3600)  # default to 1h
+        now = time.time()
+        return now <= (expires_at - 0.1 * expires_in)
+
+    @property
+    def token(self):
+        """Return a valid oauth2 token.
+
+        The tokens are stored in the database, and we check if they are still
+        valid, and renew them if needed.
+        """
+        if self._is_token_valid(self._token):
+            return self._token
+        backend = self.collection
+        with backend.env.registry.cursor() as cr:
+            cr.execute(
+                "SELECT oauth2_token FROM webservice_backend "
+                "WHERE id=%s "
+                "FOR NO KEY UPDATE",  # prevent concurrent token fetching
+                (backend.id,),
+            )
+            token_str = cr.fetchone()[0] or "{}"
+            token = json.loads(token_str)
+            if self._is_token_valid(token):
+                self._token = token
+            else:
+                new_token = self._fetch_new_token(old_token=token)
+                cr.execute(
+                    "UPDATE webservice_backend " "SET oauth2_token=%s " "WHERE id=%s",
+                    (json.dumps(new_token), backend.id),
+                )
+                self._token = new_token
+        return self._token
+
+    def _fetch_new_token(self, old_token):
+        # TODO: check if the old token has a refresh_token that can
+        # be used (and use it in that case)
+        oauth_params = self.collection.sudo().read(
+            [
+                "oauth2_clientid",
+                "oauth2_client_secret",
+                "oauth2_token_url",
+                "oauth2_audience",
+                "redirect_url",
+            ]
+        )[0]
+        client = self.get_client(oauth_params)
+        with OAuth2Session(client=client) as session:
+            token = session.fetch_token(
+                token_url=oauth_params["oauth2_token_url"],
+                cliend_id=oauth_params["oauth2_clientid"],
+                client_secret=oauth_params["oauth2_client_secret"],
+                audience=oauth_params.get("oauth2_audience") or "",
+            )
+        return token
+
+    def _request(self, method, url=None, url_params=None, **kwargs):
+        url = self._get_url(url=url, url_params=url_params)
+        new_kwargs = kwargs.copy()
+        new_kwargs.update(
+            {
+                "headers": self._get_headers(**kwargs),
+                "timeout": None,
+            }
+        )
+        client = BackendApplicationClient(client_id=self.collection.oauth2_clientid)
+        with OAuth2Session(client=client, token=self.token) as session:
+            # pylint: disable=E8106
+            request = session.request(method, url, **new_kwargs)
+            request.raise_for_status()
+            return request.content
+
+
+class WebApplicationOAuth2RestRequestsAdapter(Component):
+    _name = "oauth2.requests.web.application"
+    _webservice_protocol = "http+oauth2-web_application"
+    _inherit = "oauth2.requests.backend.application"
+
+    def get_client(self, oauth_params: dict):
+        return WebApplicationClient(
+            client_id=oauth_params["oauth2_clientid"],
+            code=oauth_params.get("oauth2_autorization"),
+            redirect_uri=oauth_params["redirect_url"],
+        )
+
+    def _fetch_token_from_authorization(self, authorization_code):
+        oauth_params = self.collection.sudo().read(
+            [
+                "oauth2_clientid",
+                "oauth2_client_secret",
+                "oauth2_token_url",
+                "oauth2_audience",
+                "redirect_url",
+            ]
+        )[0]
+        client = WebApplicationClient(client_id=oauth_params["oauth2_clientid"])
+
+        with OAuth2Session(
+            client=client, redirect_uri=oauth_params.get("redirect_url")
+        ) as session:
+            token = session.fetch_token(
+                oauth_params["oauth2_token_url"],
+                client_secret=oauth_params["oauth2_client_secret"],
+                code=authorization_code,
+                audience=oauth_params.get("oauth2_audience") or "",
+                include_client_id=True,
+            )
+        return token
+
+    def redirect_to_authorize(self, **authorization_url_extra_params):
+        """set the oauth2_state on the backend
+        :return: the webservice authorization url with the proper parameters
+        """
+        # we are normally authenticated at this stage, so no need to sudo()
+        backend = self.collection
+        oauth_params = backend.read(
+            [
+                "oauth2_clientid",
+                "oauth2_token_url",
+                "oauth2_audience",
+                "oauth2_authorization_url",
+                "oauth2_scope",
+                "redirect_url",
+            ]
+        )[0]
+        client = WebApplicationClient(
+            client_id=oauth_params["oauth2_clientid"],
+        )
+
+        with OAuth2Session(
+            client=client,
+            redirect_uri=oauth_params.get("redirect_url"),
+        ) as session:
+            authorization_url, state = session.authorization_url(
+                backend.oauth2_authorization_url, **authorization_url_extra_params
+            )
+            backend.oauth2_state = state
+            return authorization_url

webservice/controllers/__init__.py

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+from . import oauth2