node-red/red/library.js

118 lines
4.1 KiB
JavaScript

/**
* Copyright 2013 IBM Corp.
*
* 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 util = require("util");
var redApp = null;
var storage = null;
function init() {
redApp = require("./server").app;
storage = require("./storage");
// -------- Flow Library --------
redApp.post(new RegExp("/library/flows\/(.*)"), function(req,res) {
var fullBody = '';
req.on('data', function(chunk) {
fullBody += chunk.toString();
});
req.on('end', function() {
storage.saveFlow(req.params[0],fullBody).then(function() {
res.send(204);
}).otherwise(function(err) {
util.log("[red] Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
res.send(500);
});
});
});
redApp.get("/library/flows",function(req,res) {
storage.getAllFlows().then(function(flows) {
res.json(flows);
});
});
redApp.get(new RegExp("/library/flows\/(.*)"), function(req,res) {
storage.getFlow(req.params[0]).then(function(data) {
res.set('Content-Type', 'application/json');
res.send(data);
}).otherwise(function(err) {
if (err) {
util.log("[red] Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
}
res.send(404);
});
});
// ------------------------------
}
function createLibrary(type) {
redApp.get(new RegExp("/library/"+type+"($|\/(.*))"),function(req,res) {
var path = req.params[1]||"";
storage.getLibraryEntry(type,path).then(function(result) {
if (typeof result === "string") {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write(result);
res.end();
} else {
res.json(result);
}
}).otherwise(function(err) {
if (err) {
util.log("[red] Error loading library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
}
res.send(404);
});
});
redApp.post(new RegExp("/library/"+type+"\/(.*)"),function(req,res) {
var path = req.params[0];
var fullBody = '';
req.on('data', function(chunk) {
fullBody += chunk.toString();
});
req.on('end', function() {
storage.saveLibraryEntry(type,path,req.query,fullBody).then(function() {
res.send(204);
}).otherwise(function(err) {
util.log("[red] Error saving library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
res.send(403);
return;
}
res.send(500);
});
});
});
}
module.exports.init = init;
module.exports.register = createLibrary;