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@nidomiro/relation-tuple-parser-ory-keto

v0.4.0

Published

[![npm version](https://badge.fury.io/js/@nidomiro%2Frelation-tuple-parser-ory-keto.svg)](https://www.npmjs.com/package/@nidomiro/relation-tuple-parser-ory-keto)

Downloads

204

Readme

@nidomiro/relation-tuple-parser-ory-keto

npm version

This library is the same as @nidomiro/relation-tuple-parser but uses grpc types of ory keto.

Usage

import { parseRelationTuple } from '@nidomiro/relation-tuple-parser'
import { KetoGrpcConverter, KetoHttpConverter } from '@nidomiro/relation-tuple-parser-ory-keto'

const result = parseRelationTuple('sharedFiles:a.txt#access@(dirs:b#access)').unwrapOrThrow()

const grpcRelationTuple = KetoGrpcConverter.createRelationTuple(result)
const grpcCheckRequest = KetoGrpcConverter.createCheckRequest(result)
const httpRelationTuple = KetoHttpConverter.createRelationTuple(result)
const httpRelationQuery = KetoHttpConverter.createRelationQuery(result)

With replacements

It is also possible to parse the Relation tuple in a structure where different placeholders can be replaced. This is especially useful if you define a Guard via Decorators but require som dynamic replacements e.g. for the id of the current user.

Usage

import { parseRelationTupleWithReplacements } from '@nidomiro/relation-tuple-parser'
import { KetoGrpcConverter } from '@nidomiro/relation-tuple-parser-ory-keto'

const result = parseRelationTupleWithReplacements(({ userId }) => `groups:admin#member@${userId}`)

/**
 * Contains the "Template" of the Relation tuple with the replacements defined above.
 * Calculate this once and use it on every evaluation.
 */
const valueWithreplacements = result.unwrapOrThrow()

/**
 * Execute this at evaluation time (e.g. every incomming Request) to get the actual ory Relation tuple send to keto via grpc.
 */
const grpcCheckRequest = KetoGrpcConverter.createCheckRequest(valueWithreplacements, {
	userId: 'my_user_id',
})

Development

Building

Run nx build typescript-ory-keto to build the library.

Running unit tests

Run nx test typescript-ory-keto to execute the unit tests.

Publish

Make sure you are logged into npm.

Run nx publish typescript-ory-keto --tag latest --ver x.x.x to publish to npm.