mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
268 lines
8.5 KiB
JavaScript
268 lines
8.5 KiB
JavaScript
/**
|
|
* Copyright JS Foundation and other contributors, http://js.foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
**/
|
|
|
|
var path = require("path");
|
|
var fs = require("fs");
|
|
var clone = require("rfdc")({proto:true, circles: true});
|
|
var util = require("util");
|
|
|
|
var registry = require("@node-red/registry");
|
|
|
|
var credentials = require("./credentials");
|
|
var flows = require("../flows");
|
|
var flowUtil = require("../flows/util")
|
|
var context = require("./context");
|
|
var Node = require("./Node");
|
|
var log;
|
|
|
|
const events = require("@node-red/util").events;
|
|
|
|
var settings;
|
|
|
|
/**
|
|
* Registers a node constructor
|
|
* @param nodeSet - the nodeSet providing the node (module/set)
|
|
* @param type - the string type name
|
|
* @param constructor - the constructor function for this node type
|
|
* @param opts - optional additional options for the node
|
|
*/
|
|
function registerType(nodeSet,type,constructor,opts) {
|
|
if (typeof type !== "string") {
|
|
// This is someone calling the api directly, rather than via the
|
|
// RED object provided to a node. Log a warning
|
|
log.warn("["+nodeSet+"] Deprecated call to RED.runtime.nodes.registerType - node-set name must be provided as first argument");
|
|
opts = constructor;
|
|
constructor = type;
|
|
type = nodeSet;
|
|
nodeSet = "";
|
|
}
|
|
if (opts) {
|
|
if (opts.credentials) {
|
|
credentials.register(type,opts.credentials);
|
|
}
|
|
if (opts.settings) {
|
|
try {
|
|
settings.registerNodeSettings(type,opts.settings);
|
|
} catch(err) {
|
|
log.warn("["+type+"] "+err.message);
|
|
}
|
|
}
|
|
}
|
|
if(!(constructor.prototype instanceof Node)) {
|
|
if(Object.getPrototypeOf(constructor.prototype) === Object.prototype) {
|
|
util.inherits(constructor,Node);
|
|
} else {
|
|
var proto = constructor.prototype;
|
|
while(Object.getPrototypeOf(proto) !== Object.prototype) {
|
|
proto = Object.getPrototypeOf(proto);
|
|
}
|
|
//TODO: This is a partial implementation of util.inherits >= node v5.0.0
|
|
// which should be changed when support for node < v5.0.0 is dropped
|
|
// see: https://github.com/nodejs/node/pull/3455
|
|
proto.constructor.super_ = Node;
|
|
if(Object.setPrototypeOf) {
|
|
Object.setPrototypeOf(proto, Node.prototype);
|
|
} else {
|
|
// hack for node v0.10
|
|
proto.__proto__ = Node.prototype;
|
|
}
|
|
}
|
|
}
|
|
registry.registerType(nodeSet,type,constructor,opts);
|
|
}
|
|
|
|
/**
|
|
* Called from a Node's constructor function, invokes the super-class
|
|
* constructor and attaches any credentials to the node.
|
|
* @param node the node object being created
|
|
* @param def the instance definition for the node
|
|
*/
|
|
function createNode(node,def) {
|
|
Node.call(node,def);
|
|
var id = node.id;
|
|
if (def._alias) {
|
|
id = def._alias;
|
|
}
|
|
var creds = credentials.get(id);
|
|
if (creds) {
|
|
creds = clone(creds);
|
|
//console.log("Attaching credentials to ",node.id);
|
|
// allow $(foo) syntax to substitute env variables for credentials also...
|
|
for (var p in creds) {
|
|
if (creds.hasOwnProperty(p)) {
|
|
flowUtil.mapEnvVarProperties(creds,p,node._flow,node);
|
|
}
|
|
}
|
|
node.credentials = creds;
|
|
} else if (credentials.getDefinition(node.type)) {
|
|
node.credentials = {};
|
|
}
|
|
}
|
|
|
|
function registerSubflow(nodeSet, subflow) {
|
|
// TODO: extract credentials definition from subflow properties
|
|
var registeredType = registry.registerSubflow(nodeSet,subflow);
|
|
|
|
if (subflow.env) {
|
|
var creds = {};
|
|
var hasCreds = false;
|
|
subflow.env.forEach(e => {
|
|
if (e.type === "cred") {
|
|
creds[e.name] = {type: "password"};
|
|
hasCreds = true;
|
|
}
|
|
})
|
|
if (hasCreds) {
|
|
credentials.register(registeredType.type,creds);
|
|
}
|
|
}
|
|
}
|
|
|
|
function init(runtime) {
|
|
settings = runtime.settings;
|
|
log = runtime.log;
|
|
credentials.init(runtime);
|
|
flows.init(runtime);
|
|
registry.init(runtime);
|
|
context.init(runtime.settings);
|
|
}
|
|
|
|
function disableNode(id) {
|
|
flows.checkTypeInUse(id);
|
|
return registry.disableNode(id).then(function(info) {
|
|
reportNodeStateChange(info,false);
|
|
return info;
|
|
});
|
|
}
|
|
|
|
function enableNode(id) {
|
|
return registry.enableNode(id).then(function(info) {
|
|
reportNodeStateChange(info,true);
|
|
return info;
|
|
});
|
|
}
|
|
|
|
function reportNodeStateChange(info,enabled) {
|
|
if (info.enabled === enabled && !info.err) {
|
|
events.emit("runtime-event",{id:"node/"+(enabled?"enabled":"disabled"),retain:false,payload:info});
|
|
log.info(" "+log._("api.nodes."+(enabled?"enabled":"disabled")));
|
|
for (var i=0;i<info.types.length;i++) {
|
|
log.info(" - "+info.types[i]);
|
|
}
|
|
} else if (enabled && info.err) {
|
|
log.warn(log._("api.nodes.error-enable"));
|
|
log.warn(" - "+info.name+" : "+info.err);
|
|
}
|
|
}
|
|
|
|
function installModule(module,version,url) {
|
|
return registry.installModule(module,version,url).then(function(info) {
|
|
if (info.pending_version) {
|
|
events.emit("runtime-event",{id:"node/upgraded",retain:false,payload:{module:info.name,version:info.pending_version}});
|
|
} else {
|
|
events.emit("runtime-event",{id:"node/added",retain:false,payload:info.nodes});
|
|
}
|
|
return info;
|
|
});
|
|
}
|
|
|
|
function uninstallModule(module) {
|
|
var info = registry.getModuleInfo(module);
|
|
if (!info || !info.user) {
|
|
throw new Error(log._("nodes.index.unrecognised-module", {module:module}));
|
|
} else {
|
|
var nodeTypesToCheck = info.nodes.map(n => `${module}/${n.name}`);
|
|
for (var i=0;i<nodeTypesToCheck.length;i++) {
|
|
flows.checkTypeInUse(nodeTypesToCheck[i]);
|
|
}
|
|
return registry.uninstallModule(module).then(function(list) {
|
|
events.emit("runtime-event",{id:"node/removed",retain:false,payload:list});
|
|
return list;
|
|
});
|
|
}
|
|
}
|
|
|
|
module.exports = {
|
|
// Lifecycle
|
|
init: init,
|
|
load: registry.load,
|
|
|
|
// Node registry
|
|
createNode: createNode,
|
|
getNode: flows.get,
|
|
eachNode: flows.eachNode,
|
|
getContext: context.get,
|
|
|
|
clearContext: context.clear,
|
|
|
|
installerEnabled: registry.installerEnabled,
|
|
installModule: installModule,
|
|
uninstallModule: uninstallModule,
|
|
|
|
enableNode: enableNode,
|
|
disableNode: disableNode,
|
|
|
|
// Node type registry
|
|
registerType: registerType,
|
|
registerSubflow: registerSubflow,
|
|
getType: registry.get,
|
|
|
|
getNodeInfo: registry.getNodeInfo,
|
|
getNodeList: registry.getNodeList,
|
|
|
|
getModuleInfo: registry.getModuleInfo,
|
|
|
|
getNodeConfigs: registry.getNodeConfigs,
|
|
getNodeConfig: registry.getNodeConfig,
|
|
getNodeIconPath: registry.getNodeIconPath,
|
|
getNodeIcons: registry.getNodeIcons,
|
|
getNodeExampleFlows: registry.getNodeExampleFlows,
|
|
getNodeExampleFlowPath: registry.getNodeExampleFlowPath,
|
|
getModuleResource: registry.getModuleResource,
|
|
|
|
clearRegistry: registry.clear,
|
|
cleanModuleList: registry.cleanModuleList,
|
|
|
|
// Flow handling
|
|
loadFlows: flows.load,
|
|
startFlows: flows.startFlows,
|
|
stopFlows: flows.stopFlows,
|
|
setFlows: flows.setFlows,
|
|
getFlows: flows.getFlows,
|
|
|
|
addFlow: flows.addFlow,
|
|
getFlow: flows.getFlow,
|
|
updateFlow: flows.updateFlow,
|
|
removeFlow: flows.removeFlow,
|
|
// disableFlow: flows.disableFlow,
|
|
// enableFlow: flows.enableFlow,
|
|
|
|
// Credentials
|
|
addCredentials: credentials.add,
|
|
getCredentials: credentials.get,
|
|
deleteCredentials: credentials.delete,
|
|
getCredentialDefinition: credentials.getDefinition,
|
|
setCredentialSecret: credentials.setKey,
|
|
clearCredentials: credentials.clear,
|
|
exportCredentials: credentials.export,
|
|
getCredentialKeyType: credentials.getKeyType,
|
|
|
|
// Contexts
|
|
loadContextsPlugin: context.load,
|
|
closeContextsPlugin: context.close,
|
|
listContextStores: context.listStores,
|
|
};
|