365 lines
10 KiB
Python
365 lines
10 KiB
Python
import logging
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import json
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import datetime
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from flask import Blueprint, request, make_response, jsonify, session
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from flask.ext.restful import Resource, abort, Api, reqparse
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from flask.ext.restful.utils.cors import crossdomain
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from werkzeug.exceptions import HTTPException
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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 jsonschema import validate, ValidationError
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from data import model
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from util.names import parse_namespace_repository
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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_user, get_validated_oauth_token
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from auth.auth import process_oauth
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from endpoints.csrf import csrf_protect
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logger = logging.getLogger(__name__)
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api_bp = Blueprint('api', __name__)
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api = Api()
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api.init_app(api_bp)
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api.decorators = [csrf_protect,
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process_oauth,
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crossdomain(origin='*', headers=['Authorization', 'Content-Type'])]
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class ApiException(Exception):
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def __init__(self, error_type, status_code, error_description, payload=None):
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Exception.__init__(self)
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self.error_description = error_description
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self.status_code = status_code
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self.payload = payload
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self.error_type = error_type
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def to_dict(self):
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rv = dict(self.payload or ())
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if self.error_description is not None:
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rv['error_description'] = self.error_description
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rv['error_type'] = self.error_type
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return rv
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class InvalidRequest(ApiException):
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def __init__(self, error_description, payload=None):
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ApiException.__init__(self, 'invalid_request', 400, error_description, payload)
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class InvalidToken(ApiException):
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def __init__(self, error_description, payload=None):
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ApiException.__init__(self, 'invalid_token', 401, error_description, payload)
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class Unauthorized(ApiException):
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def __init__(self, payload=None):
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user = get_authenticated_user()
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if user is None or user.organization:
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ApiException.__init__(self, 'invalid_token', 401, "Requires authentication", payload)
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else:
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ApiException.__init__(self, 'insufficient_scope', 403, 'Unauthorized', payload)
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class FreshLoginRequired(ApiException):
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def __init__(self, payload=None):
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ApiException.__init__(self, 'fresh_login_required', 401, "Requires fresh login", payload)
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class ExceedsLicenseException(ApiException):
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def __init__(self, payload=None):
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ApiException.__init__(self, None, 402, 'Payment Required', payload)
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class NotFound(ApiException):
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def __init__(self, payload=None):
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ApiException.__init__(self, None, 404, 'Not Found', payload)
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@api_bp.app_errorhandler(ApiException)
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@crossdomain(origin='*', headers=['Authorization', 'Content-Type'])
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def handle_api_error(error):
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response = jsonify(error.to_dict())
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response.status_code = error.status_code
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if error.error_type is not None:
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response.headers['WWW-Authenticate'] = ('Bearer error="%s" error_description="%s"' %
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(error.error_type, error.error_description))
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return response
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@api_bp.app_errorhandler(model.TooManyLoginAttemptsException)
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@crossdomain(origin='*', headers=['Authorization', 'Content-Type'])
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def handle_too_many_login_attempts(error):
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response = make_response('Too many login attempts', 429)
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response.headers['Retry-After'] = int(error.retry_after)
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return response
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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.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 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 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 '__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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})
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return func
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return add_param
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def parse_args(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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parsed_args = parser.parse_args()
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return func(self, parsed_args, *args, **kwargs)
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return wrapper
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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)
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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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def options(self):
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return None, 200
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class RepositoryParamResource(ApiResource):
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method_decorators = [parse_repository_name]
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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, None)
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require_fresh_user_admin = require_user_permission(UserAdminPermission, None)
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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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logger.debug('Checking fresh login for user %s', user.username)
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last_login = session.get('login_time', datetime.datetime.now() - datetime.timedelta(minutes=60))
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valid_span = datetime.datetime.now() - datetime.timedelta(minutes=10)
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if last_login >= valid_span:
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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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validate(request.get_json(), 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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raise InvalidRequest(message, data)
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def license_error(exception=None):
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raise ExceedsLicenseException()
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def log_action(kind, user_or_orgname, metadata=None, repo=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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model.log_action(kind, user_or_orgname, performer=performer, ip=request.remote_addr,
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metadata=metadata, repository=repo)
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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.image
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import endpoints.api.logs
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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.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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