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Code Issues Releases Wiki Activity

Add audit log entries on API calls

Browse Source 
Closes #627
This commit is contained in:
Nick O'Leary 2015-05-14 14:22:28 +01:00
parent 911288e695
commit 7de0216976
8 changed files with 97 additions and 15 deletions
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2
red/api/auth/index.js
View File

@ -54,6 +54,7 @@ function needsPermission(permission) {
if (permissions.hasPermission(req.authInfo.scope,permission)) {
return next();
}
log.audit({event: "permission.fail"},req);
return res.send(401);
});
} else {
@ -93,6 +94,7 @@ function revoke(req,res) {
var token = req.body.token;
// TODO: audit log
Tokens.revoke(token).then(function() {
log.audit({event: "auth.login.revoke"},req);
res.send(200);
});
}

12
red/api/auth/strategies.js
View File

@ -26,6 +26,8 @@ var Users = require("./users");
var Clients = require("./clients");
var permissions = require("./permissions");
var log = require("../../log");
var bearerStrategy = function (accessToken, done) {
// is this a valid token?
Tokens.get(accessToken).then(function(token) {
@ -34,10 +36,12 @@ var bearerStrategy = function (accessToken, done) {
if (user) {
done(null,user,{scope:token.scope});
} else {
log.audit({event: "auth.invalid-token"});
done(null,false);
}
});
} else {
log.audit({event: "auth.invalid-token"});
done(null,false);
}
});
@ -49,6 +53,7 @@ var clientPasswordStrategy = function(clientId, clientSecret, done) {
if (client && client.secret == clientSecret) {
done(null,client);
} else {
log.audit({event: "auth.invalid-client",client:clientId});
done(null,false);
}
});
@ -73,7 +78,7 @@ var passwordTokenExchange = function(client, username, password, scope, done) {
}
});
if (attemptCount > 5) {
// TODO: audit log
log.audit({event: "auth.login.fail.too-many-attempts",username:username,client:client.id});
done(new Error("Too many login attempts. Wait 10 minutes and try again"),false);
return;
}
@ -85,14 +90,15 @@ var passwordTokenExchange = function(client, username, password, scope, done) {
return logEntry.user !== username;
});
Tokens.create(username,client.id,scope).then(function(tokens) {
// TODO: audit log
log.audit({event: "auth.login",username:username,client:client.id,scope:scope});
done(null,tokens.accessToken,null,{expires_in:tokens.expires_in});
});
} else {
log.audit({event: "auth.login.fail.permissions",username:username,client:client.id,scope:scope});
done(null,false);
}
} else {
// TODO: audit log
log.audit({event: "auth.login.fail.credentials",username:username,client:client.id,scope:scope});
done(null,false);
}
});

2
red/api/flows.js
View File

@ -24,11 +24,13 @@ var settings = require("../settings");
module.exports = {
get: function(req,res) {
log.audit({event: "flows.get"},req);
res.json(redNodes.getFlows());
},
post: function(req,res) {
var flows = req.body;
var deploymentType = req.get("Node-RED-Deployment-Type")||"full";
log.audit({event: "flows.set",type:deploymentType},req);
redNodes.setFlows(flows,deploymentType).then(function() {
res.send(204);
}).otherwise(function(err) {

2
red/api/index.js
View File

@ -67,7 +67,7 @@ function init(adminApp,storage) {
auth.getToken,
auth.errorHandler
);
adminApp.post("/auth/revoke",auth.revoke);
adminApp.post("/auth/revoke",needsPermission(""),auth.revoke);
}
// Flows

15
red/api/library.js
View File

@ -24,6 +24,7 @@ function createLibrary(type) {
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);
@ -35,10 +36,12 @@ function createLibrary(type) {
if (err) {
log.warn("Error loading library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
log.audit({event: "library.get",type:type,error:"forbidden"},req);
res.send(403);
return;
}
}
log.audit({event: "library.get",type:type,error:"not_found"},req);
res.send(404);
});
});
@ -50,13 +53,16 @@ function createLibrary(type) {
delete meta.text;
storage.saveLibraryEntry(type,path,meta,text).then(function() {
log.audit({event: "library.set",type:type},req);
res.send(204);
}).otherwise(function(err) {
log.warn("Error saving library entry '"+path+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
log.audit({event: "library.set",type:type,error:"forbidden"},req);
res.send(403);
return;
}
log.audit({event: "library.set",type:type,error:"unexpected_error",message:err.toString()},req);
res.json(500,{error:"unexpected_error", message:err.toString()});
});
});
@ -70,36 +76,43 @@ module.exports = {
getAll: function(req,res) {
storage.getAllFlows().then(function(flows) {
log.audit({event: "library.get.all",type:"flow"},req);
res.json(flows);
});
},
get: function(req,res) {
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("Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"forbidden"},req);
res.send(403);
return;
}
}
log.audit({event: "library.get",type:"flow",path:req.params[0],error:"not_found"},req);
res.send(404);
});
},
post: function(req,res) {
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);
res.send(204);
}).otherwise(function(err) {
log.warn("Error loading flow '"+req.params[0]+"' : "+err);
if (err.message.indexOf('forbidden') === 0) {
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"forbidden"},req);
res.send(403);
return;
}
res.send(500);
log.audit({event: "library.set",type:"flow",path:req.params[0],error:"unexpected_error",message:err.toString()},req);
res.send(500,{error:"unexpected_error", message:err.toString()});
});
}
}

36
red/api/nodes.js
View File

@ -29,14 +29,17 @@ var settings = require("../settings");
module.exports = {
getAll: function(req,res) {
if (req.get("accept") == "application/json") {
log.audit({event: "nodes.list.get"},req);
res.json(redNodes.getNodeList());
} else {
log.audit({event: "nodes.configs.get"},req);
res.send(redNodes.getNodeConfigs());
}
},
post: function(req,res) {
if (!settings.available()) {
log.audit({event: "nodes.install",error:"settings_unavailable"},req);
res.json(400,{error:"settings_unavailable", message:"Settings unavailable"});
return;
}
@ -45,20 +48,25 @@ module.exports = {
if (node.module) {
var module = redNodes.getModuleInfo(node.module);
if (module) {
log.audit({event: "nodes.install",module:node.module,error:"module_already_loaded"},req);
res.json(400,{error:"module_already_loaded", message:"Module already loaded"});
return;
}
promise = server.installModule(node.module);
} else {
log.audit({event: "nodes.install",module:node.module,error:"invalid_request"},req);
res.json(400,{error:"invalid_request", message:"Invalid request"});
return;
}
promise.then(function(info) {
log.audit({event: "nodes.install",module:node.module},req);
res.json(redNodes.getModuleInfo(node.module));
}).otherwise(function(err) {
if (err.code === 404) {
log.audit({event: "nodes.install",module:node.module,error:"not_found"},req);
res.send(404);
} else {
log.audit({event: "nodes.install",module:node.module,error:err.code||"unexpected_error",message:err.toString()},req);
res.json(400,{error:err.code||"unexpected_error", message:err.toString()});
}
});
@ -66,6 +74,7 @@ module.exports = {
delete: function(req,res) {
if (!settings.available()) {
log.audit({event: "nodes.remove",error:"settings_unavailable"},req);
res.json(400,{error:"settings_unavailable", message:"Settings unavailable"});
return;
}
@ -74,6 +83,7 @@ module.exports = {
var promise = null;
var module = redNodes.getModuleInfo(mod);
if (!module) {
log.audit({event: "nodes.remove",module:mod,error:"not_found"},req);
res.send(404);
return;
} else {
@ -81,11 +91,14 @@ module.exports = {
}
promise.then(function() {
log.audit({event: "nodes.remove",module:mod},req);
res.send(204);
}).otherwise(function(err) {
log.audit({event: "nodes.remove",module:mod,error:err.code||"unexpected_error",message:err.toString()},req);
res.json(400,{error:err.code||"unexpected_error", message:err.toString()});
});
} catch(err) {
log.audit({event: "nodes.remove",module:mod,error:err.code||"unexpected_error",message:err.toString()},req);
res.json(400,{error:err.code||"unexpected_error", message:err.toString()});
}
},
@ -96,35 +109,46 @@ module.exports = {
if (req.get("accept") === "application/json") {
result = redNodes.getNodeInfo(id);
if (result) {
log.audit({event: "nodes.info.get",id:id},req);
delete result.loaded;
res.send(result);
} else {
log.audit({event: "nodes.info.get",id:id,error:"not_found"},req);
res.send(404);
}
} else {
result = redNodes.getNodeConfig(id);
}
if (result) {
log.audit({event: "nodes.config.get",id:id},req);
res.send(result);
} else {
log.audit({event: "nodes.config.get",id:id,error:"not_found"},req);
res.send(404);
}
}
},
getModule: function(req,res) {
var module = req.params.mod;
var result = redNodes.getModuleInfo(module);
if (result) {
log.audit({event: "nodes.module.get",module:module},req);
res.json(result);
} else {
log.audit({event: "nodes.module.get",module:module,error:"not_found"},req);
res.send(404);
}
},
putSet: function(req,res) {
if (!settings.available()) {
log.audit({event: "nodes.info.set",error:"settings_unavailable"},req);
res.json(400,{error:"settings_unavailable", message:"Settings unavailable"});
return;
}
var body = req.body;
if (!body.hasOwnProperty("enabled")) {
log.audit({event: "nodes.info.set",error:"invalid_request"},req);
res.json(400,{error:"invalid_request", message:"Invalid request"});
return;
}
@ -133,23 +157,29 @@ module.exports = {
var node = redNodes.getNodeInfo(id);
var info;
if (!node) {
log.audit({event: "nodes.info.set",id:id,error:"not_found"},req);
res.send(404);
} else {
delete node.loaded;
res.json(putNode(node, body.enabled));
var result = putNode(node, body.enabled);
log.audit({event: "nodes.info.set",id:id,enabled:body.enabled},req);
res.json(result);
}
} catch(err) {
log.audit({event: "nodes.info.set",id:id,enabled:body.enabled,error:err.code||"unexpected_error",message:err.toString()},req);
res.json(400,{error:err.code||"unexpected_error", message:err.toString()});
}
},
putModule: function(req,res) {
if (!settings.available()) {
log.audit({event: "nodes.module.set",error:"settings_unavailable"},req);
res.json(400,{error:"settings_unavailable", message:"Settings unavailable"});
return;
}
var body = req.body;
if (!body.hasOwnProperty("enabled")) {
log.audit({event: "nodes.module.set",error:"invalid_request"},req);
res.json(400,{error:"invalid_request", message:"Invalid request"});
return;
}
@ -157,6 +187,7 @@ module.exports = {
var mod = req.params.mod;
var module = redNodes.getModuleInfo(mod);
if (!module) {
log.audit({event: "nodes.module.set",module:mod,error:"not_found"},req);
return res.send(404);
}
@ -184,6 +215,7 @@ module.exports = {
}
res.json(redNodes.getModuleInfo(mod));
} catch(err) {
log.audit({event: "nodes.module.set",module:mod,enabled:body.enabled,error:err.code||"unexpected_error",message:err.toString()},req);
res.json(400,{error:err.code||"unexpected_error", message:err.toString()});
}
}

8
red/comms.js
View File

@ -48,6 +48,7 @@ function start() {
wsServer = new ws.Server({server:server,path:path});
wsServer.on('connection',function(ws) {
log.audit({event: "comms.open"});
var pendingAuth = (settings.adminAuth != null);
if (!pendingAuth) {
activeConnections.push(ws);
@ -55,6 +56,7 @@ function start() {
pendingConnections.push(ws);
}
ws.on('close',function() {
log.audit({event: "comms.close",user:ws.user});
removeActiveConnection(ws);
removePendingConnection(ws);
});
@ -88,19 +90,25 @@ function start() {
if (client) {
Users.get(client.user).then(function(user) {
if (user) {
ws.user = user;
log.audit({event: "comms.auth",user:ws.user});
completeConnection(client.scope,true);
} else {
log.audit({event: "comms.auth.fail"});
completeConnection(null,false);
}
});
} else {
log.audit({event: "comms.auth.fail"});
completeConnection(null,false);
}
});
} else {
if (anonymousUser) {
log.audit({event: "comms.auth",user:anonymousUser});
completeConnection(anonymousUser.permissions,false);
} else {
log.audit({event: "comms.auth.fail"});
completeConnection(null,false);
}
//TODO: duplicated code - pull non-auth message handling out

27
red/log.js
View File

@ -25,6 +25,7 @@ var levels = {
info: 40,
debug: 50,
trace: 60,
audit: 98,
metric: 99
};
@ -35,6 +36,7 @@ var levelNames = {
40: "info",
50: "debug",
60: "trace",
98: "audit",
99: "metric"
};
@ -45,7 +47,10 @@ var metricsEnabled = false;
var LogHandler = function(settings) {
this.logLevel = settings ? levels[settings.level]||levels.info : levels.info;
this.metricsOn = settings ? settings.metrics||false : false;
metricsEnabled = this.metricsOn;
this.auditOn = settings ? settings.audit||false : false;
metricsEnabled = metricsEnabled || this.metricsOn;
this.handler = (settings && settings.handler) ? settings.handler(settings) : consoleLogger;
this.on("log",function(msg) {
if (this.shouldReportMessage(msg.level)) {
@ -56,12 +61,14 @@ var LogHandler = function(settings) {
util.inherits(LogHandler, EventEmitter);
LogHandler.prototype.shouldReportMessage = function(msglevel) {
return msglevel <= this.logLevel || (msglevel == log.METRIC && this.metricsOn);
return msglevel <= this.logLevel ||
(msglevel == log.METRIC && this.metricsOn) ||
(msglevel == log.AUDIT && this.auditOn);
}
var consoleLogger = function(msg) {
if (msg.level == log.METRIC) {
util.log("[metric] "+JSON.stringify(msg));
if (msg.level == log.METRIC || msg.level == log.AUDIT) {
util.log("["+levelNames[msg.level]+"] "+JSON.stringify(msg));
} else {
util.log("["+levelNames[msg.level]+"] "+(msg.type?"["+msg.type+":"+(msg.name||msg.id)+"] ":"")+msg.msg);
}
@ -74,9 +81,11 @@ var log = module.exports = {
INFO: 40,
DEBUG: 50,
TRACE: 60,
AUDIT: 98,
METRIC: 99,
init: function(settings) {
metricsEnabled = false;
logHandlers = [];
var loggerSettings = {};
if (settings.logging) {
@ -122,5 +131,15 @@ var log = module.exports = {
},
metric: function() {
return metricsEnabled;
},
audit: function(msg,req) {
msg.level = log.AUDIT;
if (req) {
msg.user = req.user;
msg.path = req.path;
msg.ip = (req.headers && req.headers['x-forwarded-for']) || (req.connection && req.connection.remoteAddress) || undefined;
}
log.log(msg);
}
}