Got a question regarding Node-Casbin library. I want to use this library in Angular, on the Front-end side. Unfortunately, I don't have a clue how could I do that. I want to use this library with strings. So I want to declare policies and data as a string - not as files.
- Used Angular: 10.0.0
- Used Casbin Version: 5.1.6
All I did with coding: In package.json I added this code:
"browser": {
"fs": false,
"path": false,
"os": false
},
And I added code to service like:
async loadEnforcer() {
const enforcer = (await new Enforcer().initWithString(
this.policy,
this.dataSet
)) as any;
const sub = 'alice'; // the user that wants to access a resource.
const obj = '/alice_data/'; // the resource that is going to be accessed.
const act = 'GET'; // the operation that the user performs on the resource.
console.log(enforcer);
console.log(
'the user permission is : ' + enforcer.getPermissionsForUser('alice')
);
if (enforcer.enforce(sub, obj, act) === true) {
console.log('permit alice to read data1');
} else {
console.log('deny the request, show an error');
}
}
But still I receive an error from Angular like:
core.js:4197 ERROR Error: Uncaught (in promise): TypeError: fs_1.readFileSync is not a function
TypeError: fs_1.readFileSync is not a function
at Config.parse (config.js:64)
at Function.newConfig (config.js:29)
at Model.loadModel (model.js:109)
at Object.newModel (model.js:291)
at Enforcer.<anonymous> (enforcer.js:62)
at Generator.next (<anonymous>)
at enforcer.js:21
at new ZoneAwarePromise (zone-evergreen.js:960)
at push.../../node_modules/casbin/lib/enforcer.js.__awaiter (enforcer.js:17)
at Enforcer.initWithAdapter (enforcer.js:61)
at resolvePromise (zone-evergreen.js:798)
at zone-evergreen.js:705
at rejected (tslib.es6.js:72)
at ZoneDelegate.invoke (zone-evergreen.js:364)
at Object.onInvoke (core.js:27437)
at ZoneDelegate.invoke (zone-evergreen.js:363)
at Zone.run (zone-evergreen.js:123)
at zone-evergreen.js:857
at ZoneDelegate.invokeTask (zone-evergreen.js:399)
at Object.onInvokeTask (core.js:27425)
I tried to do in the same way as it is there https://github.com/kowthalganesh/casbin-angular/blob/master/src/app/app.component.ts - But still I receive an Error.
Can you help me with it? Thank you so much!
