koa-csp/dist/cjs/src/validate-policy.js

Used to set respose header: Content-Security-Policy

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
    __setModuleDefault(result, mod);
    return result;
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.default = default_1;
const directives_js_1 = __importDefault(require("./directives.js"));
const log = __importStar(require("./log.js"));
const to_camel_case_js_1 = __importDefault(require("./to-camel-case.js"));
const directivesWithCamelCase = directives_js_1.default.concat(directives_js_1.default.map(to_camel_case_js_1.default));
function default_1(policy) {
    const keys = Object.keys(policy);
    let valid = true;
    if (!keys.length) {
        log.warn('Empty Policy');
        valid = false;
    }
    const invalidDirectives = keys
        .filter((key) => !directivesWithCamelCase.includes(key));
    if (invalidDirectives.length) {
        log.warn(`Invalid Policy Name: ${invalidDirectives.join(', ')}`);
        valid = false;
    }
    return valid;
}