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Merge pull request #2993 from Steve-Mcl/master

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ensure context get/set key is a string
This commit is contained in:
Nick O'Leary
2021-06-02 15:20:25 +01:00
committed by GitHub
parent c0e4cf2358 a92f0c4c6e
commit 711794cfe1
2 changed files with 181 additions and 4 deletions
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37
packages/node_modules/@node-red/runtime/lib/nodes/context/index.js vendored
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@@ -215,6 +215,22 @@ function followParentContext(parent, key) {
return null;
}
function validateContextKey(key) {
try {
const keys = Array.isArray(key) ? key : [key];
if(!keys.length) { return false }; //no key to get/set
for (let index = 0; index < keys.length; index++) {
const k = keys[index];
if (typeof k !== "string" || !k.length) {
return false; //not string or zero-length
}
}
} catch (error) {
return false;
}
return true;
}
function createContext(id,seed,parent) {
// Seed is only set for global context - sourced from functionGlobalContext
var scope = id;
@@ -251,11 +267,11 @@ function createContext(id,seed,parent) {
}
}
}
Object.defineProperties(obj, {
get: {
value: function(key, storage, callback) {
var context;
if (!callback && typeof storage === 'function') {
callback = storage;
storage = undefined;
@@ -263,7 +279,14 @@ function createContext(id,seed,parent) {
if (callback && typeof callback !== 'function'){
throw new Error("Callback must be a function");
}
if (!validateContextKey(key)) {
var err = Error("Invalid context key");
if(callback) {
return callback(err);
} else {
throw err;
}
}
if (!Array.isArray(key)) {
var keyParts = util.parseContextStore(key);
key = keyParts.key;
@@ -337,7 +360,6 @@ function createContext(id,seed,parent) {
set: {
value: function(key, value, storage, callback) {
var context;
if (!callback && typeof storage === 'function') {
callback = storage;
storage = undefined;
@@ -345,7 +367,14 @@ function createContext(id,seed,parent) {
if (callback && typeof callback !== 'function'){
throw new Error("Callback must be a function");
}
if (!validateContextKey(key)) {
var err = Error("Invalid context key");
if(callback) {
return callback(err);
} else {
throw err;
}
}
if (!Array.isArray(key)) {
var keyParts = util.parseContextStore(key);
key = keyParts.key;