2014-11-04 12:34:49 +01:00
|
|
|
/**
|
2015-02-03 23:02:26 +01:00
|
|
|
* Copyright 2013, 2015 IBM Corp.
|
2014-11-04 12:34:49 +01:00
|
|
|
*
|
|
|
|
* 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.
|
|
|
|
**/
|
2016-03-03 00:34:24 +01:00
|
|
|
var fs = require('fs');
|
|
|
|
var fspath = require('path');
|
|
|
|
var when = require('when');
|
2014-11-04 12:34:49 +01:00
|
|
|
|
|
|
|
var redApp = null;
|
2015-11-11 23:11:02 +01:00
|
|
|
var storage;
|
|
|
|
var log;
|
2015-02-06 00:43:35 +01:00
|
|
|
var needsPermission = require("./auth").needsPermission;
|
2014-11-04 12:34:49 +01:00
|
|
|
|
|
|
|
function createLibrary(type) {
|
2014-11-04 18:05:29 +01:00
|
|
|
if (redApp) {
|
2015-02-06 00:43:35 +01:00
|
|
|
redApp.get(new RegExp("/library/"+type+"($|\/(.*))"),needsPermission("library.read"),function(req,res) {
|
2014-11-04 18:05:29 +01:00
|
|
|
var path = req.params[1]||"";
|
|
|
|
storage.getLibraryEntry(type,path).then(function(result) {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.get",type:type},req);
|
2014-11-04 18:05:29 +01:00
|
|
|
if (typeof result === "string") {
|
|
|
|
res.writeHead(200, {'Content-Type': 'text/plain'});
|
|
|
|
res.write(result);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.end();
|
2014-11-04 18:05:29 +01:00
|
|
|
} else {
|
|
|
|
res.json(result);
|
2014-11-04 12:34:49 +01:00
|
|
|
}
|
2014-11-04 18:05:29 +01:00
|
|
|
}).otherwise(function(err) {
|
|
|
|
if (err) {
|
2015-06-16 17:09:53 +02:00
|
|
|
log.warn(log._("api.library.error-load-entry",{path:path,message:err.toString()}));
|
2015-05-21 00:46:49 +02:00
|
|
|
if (err.code === 'forbidden') {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.get",type:type,error:"forbidden"},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(403).end();
|
2014-11-04 12:34:49 +01:00
|
|
|
return;
|
|
|
|
}
|
2014-11-04 18:05:29 +01:00
|
|
|
}
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.get",type:type,error:"not_found"},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(404).end();
|
2014-11-04 18:05:29 +01:00
|
|
|
});
|
|
|
|
});
|
2015-07-15 23:43:24 +02:00
|
|
|
|
2015-02-06 00:43:35 +01:00
|
|
|
redApp.post(new RegExp("/library/"+type+"\/(.*)"),needsPermission("library.write"),function(req,res) {
|
2014-11-04 18:05:29 +01:00
|
|
|
var path = req.params[0];
|
2015-02-26 18:08:20 +01:00
|
|
|
var meta = req.body;
|
|
|
|
var text = meta.text;
|
|
|
|
delete meta.text;
|
2015-07-15 23:43:24 +02:00
|
|
|
|
2015-02-26 18:08:20 +01:00
|
|
|
storage.saveLibraryEntry(type,path,meta,text).then(function() {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:type},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(204).end();
|
2015-02-26 18:08:20 +01:00
|
|
|
}).otherwise(function(err) {
|
2015-06-16 17:09:53 +02:00
|
|
|
log.warn(log._("api.library.error-save-entry",{path:path,message:err.toString()}));
|
2015-05-21 00:46:49 +02:00
|
|
|
if (err.code === 'forbidden') {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:type,error:"forbidden"},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(403).end();
|
2015-02-26 18:08:20 +01:00
|
|
|
return;
|
|
|
|
}
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:type,error:"unexpected_error",message:err.toString()},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(500).json({error:"unexpected_error", message:err.toString()});
|
2014-11-04 18:05:29 +01:00
|
|
|
});
|
2014-11-04 12:34:49 +01:00
|
|
|
});
|
2014-11-04 18:05:29 +01:00
|
|
|
}
|
2014-11-04 12:34:49 +01:00
|
|
|
}
|
2016-03-03 00:34:24 +01:00
|
|
|
|
|
|
|
var exampleRoots = {};
|
|
|
|
var exampleFlows = {d:{}};
|
|
|
|
var exampleCount = 0;
|
|
|
|
|
|
|
|
function getFlowsFromPath(path) {
|
|
|
|
return when.promise(function(resolve,reject) {
|
|
|
|
var result = {};
|
|
|
|
fs.readdir(path,function(err,files) {
|
|
|
|
var promises = [];
|
|
|
|
var validFiles = [];
|
|
|
|
files.forEach(function(file) {
|
|
|
|
var fullPath = fspath.join(path,file);
|
|
|
|
var stats = fs.lstatSync(fullPath);
|
|
|
|
if (stats.isDirectory()) {
|
|
|
|
validFiles.push(file);
|
|
|
|
promises.push(getFlowsFromPath(fullPath));
|
|
|
|
} else if (/\.json$/.test(file)){
|
|
|
|
validFiles.push(file);
|
|
|
|
exampleCount++;
|
|
|
|
promises.push(when.resolve(file.split(".")[0]))
|
|
|
|
}
|
|
|
|
})
|
|
|
|
var i=0;
|
|
|
|
when.all(promises).then(function(results) {
|
|
|
|
results.forEach(function(r) {
|
|
|
|
if (typeof r === 'string') {
|
|
|
|
result.f = result.f||[];
|
|
|
|
result.f.push(r);
|
|
|
|
} else {
|
|
|
|
result.d = result.d||{};
|
|
|
|
result.d[validFiles[i]] = r;
|
|
|
|
}
|
|
|
|
i++;
|
|
|
|
})
|
|
|
|
|
|
|
|
resolve(result);
|
|
|
|
})
|
|
|
|
});
|
|
|
|
})
|
|
|
|
}
|
|
|
|
|
|
|
|
function addNodeExamplesDir(module) {
|
|
|
|
exampleRoots[module.name] = module.path;
|
|
|
|
getFlowsFromPath(module.path).then(function(result) {
|
|
|
|
exampleFlows.d[module.name] = result;
|
|
|
|
});
|
|
|
|
}
|
|
|
|
function removeNodeExamplesDir(module) {
|
|
|
|
delete exampleRoots[module];
|
|
|
|
delete exampleFlows.d[module];
|
|
|
|
}
|
|
|
|
|
2014-11-04 12:34:49 +01:00
|
|
|
module.exports = {
|
2015-11-11 23:11:02 +01:00
|
|
|
init: function(app,runtime) {
|
2014-11-04 12:34:49 +01:00
|
|
|
redApp = app;
|
2015-11-11 23:11:02 +01:00
|
|
|
log = runtime.log;
|
|
|
|
storage = runtime.storage;
|
2016-03-03 00:34:24 +01:00
|
|
|
// TODO: this allows init to be called multiple times without
|
|
|
|
// registering multiple instances of the listener.
|
|
|
|
// It isn't.... ideal.
|
|
|
|
runtime.events.removeListener("node-examples-dir",addNodeExamplesDir);
|
|
|
|
runtime.events.on("node-examples-dir",addNodeExamplesDir);
|
|
|
|
runtime.events.removeListener("node-module-uninstalled",removeNodeExamplesDir);
|
|
|
|
runtime.events.on("node-module-uninstalled",removeNodeExamplesDir);
|
|
|
|
|
2014-11-04 12:34:49 +01:00
|
|
|
},
|
|
|
|
register: createLibrary,
|
2015-07-15 23:43:24 +02:00
|
|
|
|
2014-11-04 12:34:49 +01:00
|
|
|
getAll: function(req,res) {
|
|
|
|
storage.getAllFlows().then(function(flows) {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.get.all",type:"flow"},req);
|
2016-03-03 00:34:24 +01:00
|
|
|
if (exampleCount > 0) {
|
|
|
|
flows.d = flows.d||{};
|
|
|
|
flows.d._examples_ = exampleFlows;
|
|
|
|
}
|
2014-11-04 12:34:49 +01:00
|
|
|
res.json(flows);
|
|
|
|
});
|
|
|
|
},
|
|
|
|
get: function(req,res) {
|
2016-03-03 00:34:24 +01:00
|
|
|
if (req.params[0].indexOf("_examples_/") === 0) {
|
|
|
|
var m = /^_examples_\/([^\/]+)\/(.*)$/.exec(req.params[0]);
|
|
|
|
if (m) {
|
|
|
|
var module = m[1];
|
|
|
|
var path = m[2]+".json";
|
|
|
|
if (exampleRoots[module]) {
|
|
|
|
var fullPath = fspath.join(exampleRoots[module],path);
|
|
|
|
try {
|
|
|
|
fs.statSync(fullPath);
|
|
|
|
log.audit({event: "library.get",type:"flow",path:req.params[0]},req);
|
|
|
|
return res.sendFile(fullPath,{
|
|
|
|
headers:{
|
|
|
|
'Content-Type': 'application/json'
|
|
|
|
}
|
|
|
|
})
|
|
|
|
} catch(err) {
|
|
|
|
console.log(err);
|
|
|
|
}
|
2014-11-04 12:34:49 +01:00
|
|
|
}
|
|
|
|
}
|
2016-03-03 00:34:24 +01:00
|
|
|
// IF we get here, we didn't find the file
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"not_found"},req);
|
2016-03-03 00:34:24 +01:00
|
|
|
return res.status(404).end();
|
|
|
|
} else {
|
|
|
|
storage.getFlow(req.params[0]).then(function(data) {
|
|
|
|
// data is already a JSON string
|
|
|
|
log.audit({event: "library.get",type:"flow",path:req.params[0]},req);
|
|
|
|
res.set('Content-Type', 'application/json');
|
|
|
|
res.send(data);
|
|
|
|
}).otherwise(function(err) {
|
|
|
|
if (err) {
|
|
|
|
log.warn(log._("api.library.error-load-flow",{path:req.params[0],message:err.toString()}));
|
|
|
|
if (err.code === 'forbidden') {
|
|
|
|
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"forbidden"},req);
|
|
|
|
res.status(403).end();
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"not_found"},req);
|
|
|
|
res.status(404).end();
|
|
|
|
});
|
|
|
|
}
|
2014-11-04 12:34:49 +01:00
|
|
|
},
|
|
|
|
post: function(req,res) {
|
2016-03-03 00:34:24 +01:00
|
|
|
// if (req.params[0].indexOf("_examples_/") === 0) {
|
|
|
|
// log.warn(log._("api.library.error-save-flow",{path:req.params[0],message:"forbidden"}));
|
|
|
|
// log.audit({event: "library.set",type:"flow",path:req.params[0],error:"forbidden"},req);
|
|
|
|
// return res.status(403).send({error:"unexpected_error", message:"forbidden"});
|
|
|
|
// }
|
2014-11-05 23:41:05 +01:00
|
|
|
var flow = JSON.stringify(req.body);
|
2015-04-05 21:54:11 +02:00
|
|
|
storage.saveFlow(req.params[0],flow).then(function() {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:"flow",path:req.params[0]},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(204).end();
|
2014-11-05 23:41:05 +01:00
|
|
|
}).otherwise(function(err) {
|
2015-06-16 17:09:53 +02:00
|
|
|
log.warn(log._("api.library.error-save-flow",{path:req.params[0],message:err.toString()}));
|
2015-05-21 00:46:49 +02:00
|
|
|
if (err.code === 'forbidden') {
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"forbidden"},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(403).end();
|
2014-11-05 23:41:05 +01:00
|
|
|
return;
|
|
|
|
}
|
2015-05-14 15:22:28 +02:00
|
|
|
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"unexpected_error",message:err.toString()},req);
|
2015-07-15 23:43:24 +02:00
|
|
|
res.status(500).send({error:"unexpected_error", message:err.toString()});
|
2014-11-04 12:34:49 +01:00
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|