@cerbos/orm-prisma

Cerbos + Prisma ORM Adapter

An adapater library that takes a Cerbos Query Plan (PlanResources API) response and converts it into a Prisma where class object. This is designed to work alongside a project using the Cerbos Javascript SDK.

The following conditions are supported: and, or, eq, ne, lt, gt, lte, gte and in.

Requirements

• Cerbos > v0.16

Usage

npm install @cerbos/orm-prisma

This package exports a single function:

queryPlanToPrisma({ queryPlan, fieldNameMapper }): PrismaCondition

The function reqiures the full query plan from Cerbos to be passed in an object along with a fieldNameMapper.

The fieldNameMapper is used to convert the field names in the query plan response to names of fields in the Prisma model - this can be done as a map or a function:

{
  "request.resource.attr.aFieldName": "prismaModelFieldName"
}

//or

(fieldName: string): string => {
  if(fieldName.indexOf("request.resource.") > 0) {
    return fieldName.replace("request.resource.attr", "")
  }

  if(fieldName.indexOf("request.principal.") > 0) {
    return fieldName.replace("request.principal.attr", "")
  }
}

Full Example

A full Prisma application making use of this adapater can be found at https://github.com/cerbos/express-prisma-cerbos