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Separate library api and runtime components

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This commit is contained in:
Nick O'Leary
2018-04-18 17:09:31 +01:00
parent e8e8f70c27
commit 7409cb3abb
9 changed files with 263 additions and 160 deletions
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8
red/api/editor/index.js
View File

@@ -86,10 +86,12 @@ module.exports = {
// Library
var library = require("./library");
library.init(editorApp,runtime);
editorApp.post(new RegExp("/library/flows\/(.*)"),needsPermission("library.write"),library.post,apiUtil.errorHandler);
library.init(editorApp,runtimeAPI);
editorApp.get("/library/flows",needsPermission("library.read"),library.getAll,apiUtil.errorHandler);
editorApp.get(new RegExp("/library/flows\/(.*)"),needsPermission("library.read"),library.get,apiUtil.errorHandler);
editorApp.get(/library\/([^\/]+)(?:$|\/(.*))/,needsPermission("library.read"),library.getEntry);
editorApp.post(/library\/([^\/]+)\/(.*)/,needsPermission("library.write"),library.saveEntry);
// Credentials
var credentials = require("./credentials");

178
red/api/editor/library.js
View File

@@ -13,149 +13,71 @@
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var apiUtils = require("../util");
var fs = require('fs');
var fspath = require('path');
var when = require('when');
var redApp = null;
var storage;
var log;
var redNodes;
var needsPermission = require("../auth").needsPermission;
function createLibrary(type) {
if (redApp) {
redApp.get(new RegExp("/library/"+type+"($|\/(.*))"),needsPermission("library.read"),function(req,res) {
var path = req.params[1]||"";
storage.getLibraryEntry(type,path).then(function(result) {
log.audit({event: "library.get",type:type},req);
if (typeof result === "string") {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.write(result);
res.end();
} else {
res.json(result);
}
}).catch(function(err) {
if (err) {
log.warn(log._("api.library.error-load-entry",{path:path,message:err.toString()}));
if (err.code === 'forbidden') {
log.audit({event: "library.get",type:type,error:"forbidden"},req);
res.status(403).end();
return;
}
}
log.audit({event: "library.get",type:type,error:"not_found"},req);
res.status(404).end();
});
});
redApp.post(new RegExp("/library/"+type+"\/(.*)"),needsPermission("library.write"),function(req,res) {
var path = req.params[0];
var meta = req.body;
var text = meta.text;
delete meta.text;
storage.saveLibraryEntry(type,path,meta,text).then(function() {
log.audit({event: "library.set",type:type},req);
res.status(204).end();
}).catch(function(err) {
log.warn(log._("api.library.error-save-entry",{path:path,message:err.toString()}));
if (err.code === 'forbidden') {
log.audit({event: "library.set",type:type,error:"forbidden"},req);
res.status(403).end();
return;
}
log.audit({event: "library.set",type:type,error:"unexpected_error",message:err.toString()},req);
res.status(500).json({error:"unexpected_error", message:err.toString()});
});
});
}
}
var runtimeAPI;
module.exports = {
init: function(app,runtime) {
redApp = app;
log = runtime.log;
storage = runtime.storage;
redNodes = runtime.nodes;
init: function(app,_runtimeAPI) {
runtimeAPI = _runtimeAPI;
},
register: createLibrary,
getAll: function(req,res) {
storage.getAllFlows().then(function(flows) {
log.audit({event: "library.get.all",type:"flow"},req);
var examples = redNodes.getNodeExampleFlows();
if (examples) {
flows.d = flows.d||{};
flows.d._examples_ = redNodes.getNodeExampleFlows();
}
res.json(flows);
var opts = {
user: req.user,
type: 'flows'
}
runtimeAPI.library.getEntries(opts).then(function(result) {
res.json(result);
}).catch(function(err) {
apiUtils.rejectHandler(req,res,err);
});
},
get: function(req,res) {
if (req.params[0].indexOf("_examples_/") === 0) {
var m = /^_examples_\/(@.*?\/[^\/]+|[^\/]+)\/(.*)$/.exec(req.params[0]);
if (m) {
var module = m[1];
var path = m[2];
var fullPath = redNodes.getNodeExampleFlowPath(module,path);
if (fullPath) {
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);
}
}
}
// IF we get here, we didn't find the file
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"not_found"},req);
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);
}).catch(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();
});
getEntry: function(req,res) {
var opts = {
user: req.user,
type: req.params[0],
path: req.params[1]||""
}
runtimeAPI.library.getEntry(opts).then(function(result) {
if (typeof result === "string") {
if (opts.type === 'flows') {
res.writeHead(200, {'Content-Type': 'application/json'});
} else {
res.writeHead(200, {'Content-Type': 'text/plain'});
}
res.write(result);
res.end();
} else {
res.json(result);
}
}).catch(function(err) {
apiUtils.rejectHandler(req,res,err);
});
},
post: function(req,res) {
// 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"});
// }
var flow = JSON.stringify(req.body);
storage.saveFlow(req.params[0],flow).then(function() {
log.audit({event: "library.set",type:"flow",path:req.params[0]},req);
saveEntry: function(req,res) {
var opts = {
user: req.user,
type: req.params[0],
path: req.params[1]||""
}
// TODO: horrible inconsistencies between flows and all other types
if (opts.type === "flows") {
opts.meta = {};
opts.body = JSON.stringify(req.body);
} else {
opts.meta = req.body;
opts.body = opts.meta.text;
delete opts.meta.text;
}
runtimeAPI.library.saveEntry(opts).then(function(result) {
res.status(204).end();
}).catch(function(err) {
log.warn(log._("api.library.error-save-flow",{path:req.params[0],message:err.toString()}));
if (err.code === 'forbidden') {
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"forbidden"},req);
res.status(403).end();
return;
}
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"unexpected_error",message:err.toString()},req);
res.status(500).send({error:"unexpected_error", message:err.toString()});
apiUtils.rejectHandler(req,res,err);
});
}
}