414 lines
12 KiB
Python
414 lines
12 KiB
Python
import logging
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import datetime
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from calendar import timegm
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from email.utils import formatdate
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from functools import partial, wraps
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from flask import Blueprint, request, session
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from flask_restful import Resource, abort, Api, reqparse
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from flask_restful.utils.cors import crossdomain
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from jsonschema import validate, ValidationError
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from app import app, metric_queue, authentication
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from auth.permissions import (ReadRepositoryPermission, ModifyRepositoryPermission,
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AdministerRepositoryPermission, UserReadPermission,
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UserAdminPermission)
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from auth import scopes
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from auth.auth_context import (get_authenticated_context, get_authenticated_user,
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get_validated_oauth_token)
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from auth.decorators import process_oauth
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from endpoints.csrf import csrf_protect
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from endpoints.exception import (Unauthorized, InvalidRequest, InvalidResponse,
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FreshLoginRequired, NotFound)
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from endpoints.decorators import check_anon_protection, require_xhr_from_browser
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from util.metrics.metricqueue import time_decorator
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from util.names import parse_namespace_repository
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from util.pagination import encrypt_page_token, decrypt_page_token
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from __init__models_pre_oci import pre_oci_model as model
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logger = logging.getLogger(__name__)
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api_bp = Blueprint('api', __name__)
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CROSS_DOMAIN_HEADERS = ['Authorization', 'Content-Type', 'X-Requested-With']
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class ApiExceptionHandlingApi(Api):
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@crossdomain(origin='*', headers=CROSS_DOMAIN_HEADERS)
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def handle_error(self, error):
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return super(ApiExceptionHandlingApi, self).handle_error(error)
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api = ApiExceptionHandlingApi()
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api.init_app(api_bp)
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api.decorators = [csrf_protect(),
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crossdomain(origin='*', headers=CROSS_DOMAIN_HEADERS),
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process_oauth, time_decorator(api_bp.name, metric_queue),
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require_xhr_from_browser]
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def resource(*urls, **kwargs):
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def wrapper(api_resource):
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if not api_resource:
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return None
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api_resource.registered = True
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api.add_resource(api_resource, *urls, **kwargs)
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return api_resource
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return wrapper
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def show_if(value):
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def f(inner):
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if hasattr(inner, 'registered') and inner.registered:
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msg = ('API endpoint %s is already registered; please switch the ' +
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'@show_if to be *below* the @resource decorator')
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raise Exception(msg % inner)
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if not value:
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return None
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return inner
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return f
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def hide_if(value):
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def f(inner):
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if hasattr(inner, 'registered') and inner.registered:
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msg = ('API endpoint %s is already registered; please switch the ' +
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'@hide_if to be *below* the @resource decorator')
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raise Exception(msg % inner)
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if value:
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return None
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return inner
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return f
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def truthy_bool(param):
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return param not in {False, 'false', 'False', '0', 'FALSE', '', 'null'}
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def format_date(date):
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""" Output an RFC822 date format. """
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if date is None:
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return None
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return formatdate(timegm(date.utctimetuple()))
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def add_method_metadata(name, value):
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def modifier(func):
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if func is None:
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return None
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if '__api_metadata' not in dir(func):
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func.__api_metadata = {}
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func.__api_metadata[name] = value
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return func
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return modifier
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def method_metadata(func, name):
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if func is None:
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return None
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if '__api_metadata' in dir(func):
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return func.__api_metadata.get(name, None)
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return None
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nickname = partial(add_method_metadata, 'nickname')
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related_user_resource = partial(add_method_metadata, 'related_user_resource')
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internal_only = add_method_metadata('internal', True)
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def path_param(name, description):
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def add_param(func):
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if not func:
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return func
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if '__api_path_params' not in dir(func):
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func.__api_path_params = {}
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func.__api_path_params[name] = {
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'name': name,
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'description': description
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}
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return func
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return add_param
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def query_param(name, help_str, type=reqparse.text_type, default=None,
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choices=(), required=False):
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def add_param(func):
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if '__api_query_params' not in dir(func):
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func.__api_query_params = []
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func.__api_query_params.append({
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'name': name,
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'type': type,
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'help': help_str,
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'default': default,
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'choices': choices,
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'required': required,
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'location': ('args')
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})
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return func
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return add_param
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def page_support(page_token_kwarg='page_token', parsed_args_kwarg='parsed_args'):
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def inner(func):
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""" Adds pagination support to an API endpoint. The decorated API will have an
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added query parameter named 'next_page'. Works in tandem with the
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modelutil paginate method.
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"""
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@wraps(func)
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@query_param('next_page', 'The page token for the next page', type=str)
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def wrapper(self, *args, **kwargs):
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# Note: if page_token is None, we'll receive the first page of results back.
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page_token = decrypt_page_token(kwargs[parsed_args_kwarg]['next_page'])
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kwargs[page_token_kwarg] = page_token
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(result, next_page_token) = func(self, *args, **kwargs)
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if next_page_token is not None:
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result['next_page'] = encrypt_page_token(next_page_token)
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return result
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return wrapper
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return inner
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def parse_args(kwarg_name='parsed_args'):
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def inner(func):
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@wraps(func)
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def wrapper(self, *args, **kwargs):
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if '__api_query_params' not in dir(func):
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abort(500)
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parser = reqparse.RequestParser()
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for arg_spec in func.__api_query_params:
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parser.add_argument(**arg_spec)
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kwargs[kwarg_name] = parser.parse_args()
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return func(self, *args, **kwargs)
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return wrapper
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return inner
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def parse_repository_name(func):
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@wraps(func)
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def wrapper(repository, *args, **kwargs):
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(namespace, repository) = parse_namespace_repository(repository, app.config['LIBRARY_NAMESPACE'])
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return func(namespace, repository, *args, **kwargs)
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return wrapper
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class ApiResource(Resource):
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registered = False
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method_decorators = [check_anon_protection]
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def options(self):
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return None, 200
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class RepositoryParamResource(ApiResource):
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method_decorators = [check_anon_protection, parse_repository_name]
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def disallow_for_app_repositories(func):
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@wraps(func)
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def wrapped(self, namespace_name, repository_name, *args, **kwargs):
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# Lookup the repository with the given namespace and name and ensure it is not an application
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# repository.
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if model.is_app_repository(namespace_name, repository_name):
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abort(501)
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return func(self, namespace_name, repository_name, *args, **kwargs)
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return wrapped
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def require_repo_permission(permission_class, scope, allow_public=False):
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def wrapper(func):
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@add_method_metadata('oauth2_scope', scope)
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@wraps(func)
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def wrapped(self, namespace, repository, *args, **kwargs):
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logger.debug('Checking permission %s for repo: %s/%s', permission_class, namespace,
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repository)
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permission = permission_class(namespace, repository)
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if (permission.can() or
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(allow_public and
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model.repository_is_public(namespace, repository))):
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return func(self, namespace, repository, *args, **kwargs)
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raise Unauthorized()
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return wrapped
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return wrapper
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require_repo_read = require_repo_permission(ReadRepositoryPermission, scopes.READ_REPO, True)
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require_repo_write = require_repo_permission(ModifyRepositoryPermission, scopes.WRITE_REPO)
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require_repo_admin = require_repo_permission(AdministerRepositoryPermission, scopes.ADMIN_REPO)
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def require_user_permission(permission_class, scope=None):
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def wrapper(func):
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@add_method_metadata('oauth2_scope', scope)
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@wraps(func)
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def wrapped(self, *args, **kwargs):
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user = get_authenticated_user()
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if not user:
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raise Unauthorized()
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logger.debug('Checking permission %s for user %s', permission_class, user.username)
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permission = permission_class(user.username)
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if permission.can():
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return func(self, *args, **kwargs)
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raise Unauthorized()
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return wrapped
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return wrapper
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require_user_read = require_user_permission(UserReadPermission, scopes.READ_USER)
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require_user_admin = require_user_permission(UserAdminPermission, scopes.ADMIN_USER)
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def verify_not_prod(func):
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@add_method_metadata('enterprise_only', True)
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@wraps(func)
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def wrapped(*args, **kwargs):
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# Verify that we are not running on a production (i.e. hosted) stack. If so, we fail.
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# This should never happen (because of the feature-flag on SUPER_USERS), but we want to be
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# absolutely sure.
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if app.config['SERVER_HOSTNAME'].find('quay.io') >= 0:
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logger.error('!!! Super user method called IN PRODUCTION !!!')
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raise NotFound()
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return func(*args, **kwargs)
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return wrapped
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def require_fresh_login(func):
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@add_method_metadata('requires_fresh_login', True)
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@wraps(func)
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def wrapped(*args, **kwargs):
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user = get_authenticated_user()
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if not user:
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raise Unauthorized()
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if get_validated_oauth_token():
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return func(*args, **kwargs)
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logger.debug('Checking fresh login for user %s', user.username)
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last_login = session.get('login_time', datetime.datetime.min)
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valid_span = datetime.datetime.now() - datetime.timedelta(minutes=10)
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if (not user.password_hash or last_login >= valid_span or
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not authentication.supports_fresh_login):
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return func(*args, **kwargs)
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raise FreshLoginRequired()
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return wrapped
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def require_scope(scope_object):
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def wrapper(func):
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@add_method_metadata('oauth2_scope', scope_object)
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@wraps(func)
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def wrapped(*args, **kwargs):
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return func(*args, **kwargs)
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return wrapped
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return wrapper
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def validate_json_request(schema_name):
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def wrapper(func):
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@add_method_metadata('request_schema', schema_name)
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@wraps(func)
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def wrapped(self, *args, **kwargs):
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schema = self.schemas[schema_name]
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try:
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json_data = request.get_json()
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if json_data is None:
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raise InvalidRequest('Missing JSON body')
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validate(json_data, schema)
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return func(self, *args, **kwargs)
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except ValidationError as ex:
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raise InvalidRequest(ex.message)
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return wrapped
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return wrapper
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def request_error(exception=None, **kwargs):
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data = kwargs.copy()
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message = 'Request error.'
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if exception:
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message = exception.message
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message = data.pop('message', message)
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raise InvalidRequest(message, data)
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def log_action(kind, user_or_orgname, metadata=None, repo=None, repo_name=None):
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if not metadata:
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metadata = {}
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oauth_token = get_validated_oauth_token()
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if oauth_token:
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metadata['oauth_token_id'] = oauth_token.id
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metadata['oauth_token_application_id'] = oauth_token.application.client_id
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metadata['oauth_token_application'] = oauth_token.application.name
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performer = get_authenticated_user()
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if repo:
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repo_name = repo.name
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model.log_action(kind, user_or_orgname, repo_name, performer, request.remote_addr, metadata)
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def define_json_response(schema_name):
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def wrapper(func):
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@add_method_metadata('response_schema', schema_name)
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@wraps(func)
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def wrapped(self, *args, **kwargs):
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schema = self.schemas[schema_name]
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resp = func(self, *args, **kwargs)
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if app.config['TESTING']:
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try:
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validate(resp, schema)
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except ValidationError as ex:
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raise InvalidResponse(ex.message)
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return resp
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return wrapped
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return wrapper
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import endpoints.api.appspecifictokens
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import endpoints.api.billing
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import endpoints.api.build
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import endpoints.api.discovery
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import endpoints.api.error
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import endpoints.api.globalmessages
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import endpoints.api.image
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import endpoints.api.logs
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import endpoints.api.manifest
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import endpoints.api.organization
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import endpoints.api.permission
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import endpoints.api.prototype
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import endpoints.api.repository
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import endpoints.api.repositorynotification
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import endpoints.api.repoemail
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import endpoints.api.repotoken
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import endpoints.api.robot
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import endpoints.api.search
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import endpoints.api.suconfig
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import endpoints.api.superuser
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import endpoints.api.tag
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import endpoints.api.team
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import endpoints.api.trigger
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import endpoints.api.user
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import endpoints.api.secscan
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import endpoints.api.signing
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