@line/bot-sdk/dist/cjs/utils.js

Node.js SDK for LINE Messaging API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ensureJSON = ensureJSON;
exports.createURLSearchParams = createURLSearchParams;
exports.buildPath = buildPath;
const exceptions_js_1 = require("./exceptions.js");
// Mirrors retrofit's PATH_TRAVERSAL: matches when any path segment is purely
// "." / ".." (or their percent-encoded forms), after the parameters have been
// substituted. See square/retrofit RequestBuilder.java.
const PATH_TRAVERSAL = /^(?:.*\/)?(?:\.|%2e|%2E){1,2}(?:\/.*)?$/;
function ensureJSON(raw) {
    if (typeof raw === "object") {
        return raw;
    }
    else {
        throw new exceptions_js_1.JSONParseError("Failed to parse response body as JSON", { raw });
    }
}
function createURLSearchParams(params) {
    const searchParams = new URLSearchParams();
    for (const [key, value] of Object.entries(params)) {
        if (value != null) {
            searchParams.append(key, String(value));
        }
    }
    return searchParams;
}
function encodePathParam(value, name) {
    if (value === null || value === undefined) {
        throw new TypeError(`${name} is required`);
    }
    return encodeURIComponent(String(value));
}
function buildPath(pathTemplate, params) {
    let path = pathTemplate;
    for (const [name, value] of Object.entries(params)) {
        path = path.split(`{${name}}`).join(encodePathParam(value, name));
    }
    if (PATH_TRAVERSAL.test(path)) {
        throw new TypeError(`Path parameters shouldn't perform path traversal ('.' or '..'): ${path}`);
    }
    return path;
}
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