@elsikora/nestjs-crud-automator/dist/esm/class/api/authorization/policy/executor.class.js

A library for automating the creation of CRUD operations in NestJS.

import { EApiPolicyOnType } from '../../../../enum/class/authorization/policy/on-type.enum.js';
import { CamelCaseString } from '../../../../utility/camel-case-string.utility.js';
import { LoggerUtility } from '../../../../utility/logger.utility.js';

const policyExecutorLogger = LoggerUtility.getLogger("ApiAuthorizationPolicyExecutor");
class ApiAuthorizationPolicyExecutor {
    static async execute(subscriber, action, context) {
        const routeType = context.routeType;
        if (routeType) {
            const hookName = `on${EApiPolicyOnType.BEFORE}${CamelCaseString(routeType)}`;
            const hook = Reflect.get(subscriber, hookName);
            if (typeof hook === "function") {
                policyExecutorLogger.verbose(`Executing authorization policy hook ${hookName} from ${subscriber.constructor.name} for action "${action}"`);
                const typedHook = hook;
                const result = typedHook.call(subscriber, context);
                return this.normalizeRuleResult(await result);
            }
            return [];
        }
        if (typeof subscriber.getCustomActionRule !== "function") {
            return [];
        }
        const customActionHook = subscriber.getCustomActionRule.bind(subscriber);
        const customResult = customActionHook(action, context);
        return this.normalizeRuleResult(await customResult);
    }
    static normalizeRuleResult(result) {
        return result.filter((rule) => rule != null);
    }
}

export { ApiAuthorizationPolicyExecutor };
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