mirror of https://gitee.com/bigwinds/arangodb
338 lines
12 KiB
JavaScript
338 lines
12 KiB
JavaScript
/*jslint indent: 2, nomen: true, maxlen: 100, sloppy: true, vars: true, white: true, plusplus: true, evil: true */
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/*global require */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief endpoint management
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2010-2012 triagens GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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var arangodb = require("org/arangodb");
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var actions = require("org/arangodb/actions");
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var db = arangodb.db;
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var internal = require("internal");
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// -----------------------------------------------------------------------------
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// --SECTION-- public functions
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup ArangoAPI
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @fn JSF_get_api_endpoint
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/// @brief returns a list of all endpoints
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///
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/// @RESTHEADER{GET /_api/endpoint,returns a list of all endpoints}
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///
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/// @RESTDESCRIPTION
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/// Returns a list of all configured endpoints the server is listening on. For
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/// each endpoint, the list of allowed databases is returned too if set.
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///
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/// The result is a JSON hash which has the endpoints as keys, and the list of
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/// mapped database names as values for each endpoint.
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///
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/// If a list of mapped databases is empty, it means that all databases can be
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/// accessed via the endpoint. If a list of mapped databases contains more than
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/// one database name, this means that any of the databases might be accessed
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/// via the endpoint, and the first database in the list will be treated as
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/// the default database for the endpoint. The default database will be used
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/// when an incoming request does not specify a database name in the request
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/// explicitly.
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///
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/// Note: retrieving the list of all endpoints is allowed in the system database
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/// only. Calling this action in any other database will make the server return
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/// an error.
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///
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/// @RESTRETURNCODES
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///
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/// @RESTRETURNCODE{200}
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/// is returned when the list of endpoints can be determined successfully.
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///
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/// @RESTRETURNCODE{400}
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/// is returned if the action is not carried out in the system database.
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///
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/// @RESTRETURNCODE{405}
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/// The server will respond with `HTTP 405` if an unsupported HTTP method is used.
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///
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/// @EXAMPLES
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointGet}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8532";
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/// var body = {
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/// endpoint: endpoint,
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/// databases: [ "mydb1", "mydb2" ]
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/// };
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/// curlRequest('POST', url, JSON.stringify(body));
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///
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/// var response = logCurlRequest('GET', url);
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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/// curlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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/// @END_EXAMPLE_ARANGOSH_RUN
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @fn JSF_post_api_endpoint
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/// @brief connects a new endpoint or reconfigures an existing endpoint
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///
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/// @RESTHEADER{POST /_api/endpoint,adds a new endpoint or reconfigures an existing endpoint}
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///
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/// @RESTBODYPARAM{description,json,required}
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/// A JSON object describing the endpoint.
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///
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/// @RESTDESCRIPTION
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/// The request body must be JSON hash with the following attributes:
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///
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/// - `endpoint`: the endpoint specification, e.g. `tcp://127.0.0.1:8530`
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///
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/// - `databases`: a list of database names the endpoint is responsible for.
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///
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/// If `databases` is an empty list, all databases present in the server will
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/// become accessible via the endpoint, with the `_system` database being the
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/// default database.
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///
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/// If `databases` is non-empty, only the specified databases will become
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/// available via the endpoint. The first database name in the `databases`
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/// list will also become the default database for the endpoint. The default
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/// database will always be used if a request coming in on the endpoint does
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/// not specify the database name explicitly.
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///
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/// Note: adding or reconfiguring endpoints is allowed in the system database
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/// only. Calling this action in any other database will make the server
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/// return an error.
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///
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/// Adding SSL endpoints at runtime is only supported if the server was started
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/// with SSL properly configured (e.g. `--server.keyfile` must have been set).
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///
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/// @RESTRETURNCODES
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///
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/// @RESTRETURNCODE{200}
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/// is returned when the endpoint was added or changed successfully.
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///
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/// @RESTRETURNCODE{400}
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/// is returned if the request is malformed or if the action is not carried out
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/// in the system database.
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///
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/// @RESTRETURNCODE{405}
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/// The server will respond with `HTTP 405` if an unsupported HTTP method is used.
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///
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/// @EXAMPLES
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/// Adding an endpoint `tcp://127.0.0.1:8532` with two mapped databases
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/// (`mydb1` and `mydb2`). `mydb1` will become the default database for the
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/// endpoint.
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointPostOne}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8532";
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/// var body = {
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/// endpoint: endpoint,
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/// databases: [ "mydb1", "mydb2" ]
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/// };
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/// var response = logCurlRequest('POST', url, JSON.stringify(body));
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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/// curlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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/// @END_EXAMPLE_ARANGOSH_RUN
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///
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/// Adding an endpoint `tcp://127.0.0.1:8533` with no database names specified.
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/// This will allow access to all databases on this endpoint. The `_system`
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/// database will become the default database for requests that come in on this
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/// endpoint and do not specify the database name explicitly.
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointPostTwo}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8533";
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/// var body = {
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/// endpoint: endpoint,
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/// databases: [ ]
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/// };
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/// var response = logCurlRequest('POST', url, JSON.stringify(body));
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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/// curlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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/// @END_EXAMPLE_ARANGOSH_RUN
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///
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/// Adding an endpoint `tcp://127.0.0.1:8533` without any databases first,
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/// and then updating the databases for the endpoint to `testdb1`, `testdb2`, and
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/// `testdb3`.
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointPostChange}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8533";
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/// var body = {
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/// endpoint: endpoint,
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/// databases: [ ]
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/// };
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/// var response = logCurlRequest('POST', url, JSON.stringify(body));
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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///
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/// body.database = [ "testdb1", "testdb2", "testdb3" ];
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/// response = logCurlRequest('POST', url, JSON.stringify(body));
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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/// curlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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/// @END_EXAMPLE_ARANGOSH_RUN
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @fn JSF_delete_api_endpoint
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/// @brief disconnects an existing endpoint
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///
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/// @RESTHEADER{DELETE /_api/endpoint/{endpoint},deletes and disconnects an existing endpoint}
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///
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/// @RESTDESCRIPTION
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/// This operation deletes an existing endpoint from the list of all endpoints,
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/// and makes the server stop listening on the endpoint.
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///
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/// Note: deleting and disconnecting an endpoint is allowed in the system
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/// database only. Calling this action in any other database will make the server
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/// return an error.
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///
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/// Futhermore, the last remaining endpoint cannot be deleted as this would make
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/// the server kaputt.
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///
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/// @RESTRETURNCODES
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///
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/// @RESTRETURNCODE{200}
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/// is returned when the endpoint was deleted and disconnected successfully.
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///
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/// @RESTRETURNCODE{400}
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/// is returned if the request is malformed or if the action is not carried out
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/// in the system database.
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///
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/// @RESTRETURNCODE{404}
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/// is returned if the endpoint is not found.
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///
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/// @RESTRETURNCODE{405}
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/// The server will respond with `HTTP 405` if an unsupported HTTP method is used.
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///
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/// @EXAMPLES
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///
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/// Deleting an existing endpoint
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointDelete}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8532";
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/// var body = {
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/// endpoint: endpoint,
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/// databases: [ ]
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/// };
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/// curlRequest('POST', url, JSON.stringify(body));
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/// var response = logCurlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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///
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/// assert(response.code === 200);
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///
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/// logJsonResponse(response);
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/// @END_EXAMPLE_ARANGOSH_RUN
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///
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/// Deleting a non-existing endpoint
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///
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/// @EXAMPLE_ARANGOSH_RUN{RestEndpointDeleteNonExisting}
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/// var url = "/_api/endpoint";
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/// var endpoint = "tcp://127.0.0.1:8532";
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/// var response = logCurlRequest('DELETE', url + '/' + encodeURIComponent(endpoint));
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///
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/// assert(response.code === 404);
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///
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/// logJsonResponse(response);
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/// @END_EXAMPLE_ARANGOSH_RUN
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////////////////////////////////////////////////////////////////////////////////
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actions.defineHttp({
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url : "_api/endpoint",
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context : "admin",
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prefix : true,
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callback : function (req, res) {
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try {
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var result;
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if (req.requestType === actions.GET) {
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actions.resultOk(req, res, actions.HTTP_OK, internal.listEndpoints());
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}
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else if (req.requestType === actions.POST) {
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var body = actions.getJsonBody(req, res);
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if (body === undefined || typeof body.endpoint !== 'string') {
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actions.resultBad(req, res, arangodb.ERROR_HTTP_BAD_PARAMETER,
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"invalid endpoint value");
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return;
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}
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result = internal.configureEndpoint(body.endpoint, body.databases || [ ]);
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actions.resultOk(req, res, actions.HTTP_OK, { result: result });
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}
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else if (req.requestType === actions.DELETE) {
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if (req.suffix.length !== 1) {
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actions.resultBad(req, res, arangodb.ERROR_HTTP_BAD_PARAMETER,
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"expected DELETE /" + this.url + "/<endpoint>");
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return;
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}
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var endpoint = decodeURIComponent(req.suffix[0]);
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result = internal.removeEndpoint(endpoint);
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actions.resultOk(req, res, actions.HTTP_OK, { result: result });
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}
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else {
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actions.resultUnsupported(req, res);
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}
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}
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catch (err) {
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actions.resultException(req, res, err, undefined, false);
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}
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}
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});
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// @addtogroup\\|// --SECTION--\\|/// @page\\|/// @\\}"
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// End:
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