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https://github.com/node-red/node-red.git
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pull out editor-client and editor-api
This commit is contained in:
Nick O'Leary
251
packages/node_modules/@node-red/runtime/lib/api/flows.js
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251
packages/node_modules/@node-red/runtime/lib/api/flows.js
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/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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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/**
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* @namespace RED.flows
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*/
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/**
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* @typedef Flows
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* @type {object}
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* @property {string} rev - the flow revision identifier
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* @property {Array} flows - the flow configuration, an array of node configuration objects
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*/
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/**
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* @typedef Flow
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* @type {object}
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* @property {string} id - the flow identifier
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* @property {string} label - a label for the flow
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* @property {Array} nodes - an array of node configuration objects
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*/
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var runtime;
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var api = module.exports = {
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init: function(_runtime) {
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runtime = _runtime;
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},
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/**
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* Gets the current flow configuration
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @return {Promise<Flows>} - the active flow configuration
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* @memberof RED.flows
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*/
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getFlows: function(opts) {
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return new Promise(function(resolve,reject) {
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runtime.log.audit({event: "flows.get"}/*,req*/);
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return resolve(runtime.nodes.getFlows());
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});
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},
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/**
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* Sets the current flow configuration
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @return {Promise<Flows>} - the active flow configuration
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* @memberof RED.flows
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*/
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setFlows: function(opts) {
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return new Promise(function(resolve,reject) {
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var flows = opts.flows;
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var deploymentType = opts.deploymentType||"full";
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runtime.log.audit({event: "flows.set",type:deploymentType}/*,req*/);
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var apiPromise;
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if (deploymentType === 'reload') {
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apiPromise = runtime.nodes.loadFlows();
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} else {
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if (flows.hasOwnProperty('rev')) {
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var currentVersion = runtime.nodes.getFlows().rev;
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if (currentVersion !== flows.rev) {
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var err;
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err = new Error();
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err.code = "version_mismatch";
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err.status = 409;
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//TODO: log warning
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return reject(err);
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}
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}
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apiPromise = runtime.nodes.setFlows(flows.flows,deploymentType);
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}
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apiPromise.then(function(flowId) {
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return resolve({rev:flowId});
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}).catch(function(err) {
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runtime.log.warn(runtime.log._("api.flows.error-"+(deploymentType === 'reload'?'reload':'save'),{message:err.message}));
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runtime.log.warn(err.stack);
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return reject(err);
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});
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});
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},
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/**
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* Adds a flow configuration
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @param {Object} opts.flow - the flow to add
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* @return {Promise<String>} - the id of the added flow
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* @memberof RED.flows
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*/
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addFlow: function(opts) {
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return new Promise(function(resolve,reject) {
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var flow = opts.flow;
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runtime.nodes.addFlow(flow).then(function(id) {
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runtime.log.audit({event: "flow.add",id:id});
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return resolve(id);
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}).catch(function(err) {
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runtime.log.audit({event: "flow.add",error:err.code||"unexpected_error",message:err.toString()});
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err.status = 400;
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return reject(err);
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})
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})
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},
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/**
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* Gets an individual flow configuration
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @param {Object} opts.id - the id of the flow to retrieve
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* @return {Promise<Flow>} - the active flow configuration
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* @memberof RED.flows
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*/
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getFlow: function(opts) {
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return new Promise(function (resolve,reject) {
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var flow = runtime.nodes.getFlow(opts.id);
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if (flow) {
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runtime.log.audit({event: "flow.get",id:opts.id});
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return resolve(flow);
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} else {
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runtime.log.audit({event: "flow.get",id:opts.id,error:"not_found"});
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var err = new Error();
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err.code = "not_found";
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err.status = 404;
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return reject(err);
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}
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})
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},
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/**
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* Updates an existing flow configuration
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @param {Object} opts.id - the id of the flow to update
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* @param {Object} opts.flow - the flow configuration
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* @return {Promise<String>} - the id of the updated flow
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* @memberof RED.flows
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*/
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updateFlow: function(opts) {
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return new Promise(function (resolve,reject) {
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var flow = opts.flow;
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var id = opts.id;
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try {
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runtime.nodes.updateFlow(id,flow).then(function() {
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runtime.log.audit({event: "flow.update",id:id});
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return resolve(id);
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}).catch(function(err) {
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runtime.log.audit({event: "flow.update",error:err.code||"unexpected_error",message:err.toString()});
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err.status = 400;
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return reject(err);
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})
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} catch(err) {
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if (err.code === 404) {
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runtime.log.audit({event: "flow.update",id:id,error:"not_found"});
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// TODO: this swap around of .code and .status isn't ideal
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err.status = 404;
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err.code = "not_found";
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return reject(err);
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} else {
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runtime.log.audit({event: "flow.update",error:err.code||"unexpected_error",message:err.toString()});
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err.status = 400;
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return reject(err);
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}
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}
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});
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},
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/**
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* Deletes a flow
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @param {Object} opts.id - the id of the flow to delete
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* @return {Promise} - resolves if successful
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* @memberof RED.flows
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*/
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deleteFlow: function(opts) {
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return new Promise(function (resolve,reject) {
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var id = opts.id;
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try {
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runtime.nodes.removeFlow(id).then(function() {
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runtime.log.audit({event: "flow.remove",id:id});
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return resolve();
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}).catch(function(err) {
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runtime.log.audit({event: "flow.remove",id:id,error:err.code||"unexpected_error",message:err.toString()});
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err.status = 400;
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return reject(err);
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});
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} catch(err) {
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if (err.code === 404) {
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runtime.log.audit({event: "flow.remove",id:id,error:"not_found"});
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// TODO: this swap around of .code and .status isn't ideal
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err.status = 404;
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err.code = "not_found";
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return reject(err);
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} else {
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runtime.log.audit({event: "flow.remove",id:id,error:err.code||"unexpected_error",message:err.toString()});
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err.status = 400;
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return reject(err);
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}
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}
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});
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},
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/**
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* Gets the safe credentials for a node
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* @param {Object} opts
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* @param {User} opts.user - the user calling the api
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* @param {String} opts.type - the node type to return the credential information for
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* @param {String} opts.id - the node id
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* @return {Promise<Object>} - the safe credentials
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* @memberof RED.flows
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*/
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getNodeCredentials: function(opts) {
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return new Promise(function(resolve,reject) {
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runtime.log.audit({event: "credentials.get",type:opts.type,id:opts.id});
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var credentials = runtime.nodes.getCredentials(opts.id);
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if (!credentials) {
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return resolve({});
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}
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var definition = runtime.nodes.getCredentialDefinition(opts.type) || {};
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var sendCredentials = {};
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for (var cred in definition) {
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if (definition.hasOwnProperty(cred)) {
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if (definition[cred].type == "password") {
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var key = 'has_' + cred;
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sendCredentials[key] = credentials[cred] != null && credentials[cred] !== '';
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continue;
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}
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sendCredentials[cred] = credentials[cred] || '';
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}
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}
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resolve(sendCredentials);
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})
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}
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}
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