@fgiova/aws-signature/dist/aws/createCanonicalRequest.js

[](https://www.npmjs.com/package/@fgiova/aws-signature)  [![TypeScript](https:/

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.createCanonicalRequest = createCanonicalRequest;
const getPayloadHash_1 = require("./getPayloadHash");
const getCanonicalQuery_1 = require("./getCanonicalQuery");
function getCanonicalPath({ path }, isS3) {
    if (!isS3) {
        // Non-S3 services, we normalize the path and then double URI encode it.
        // Ref: "Remove Dot Segments" https://datatracker.ietf.org/doc/html/rfc3986#section-5.2.4
        const normalizedPathSegments = [];
        for (const pathSegment of path.split("/")) {
            if (pathSegment?.length === 0)
                continue;
            if (pathSegment === ".")
                continue;
            if (pathSegment === "..") {
                normalizedPathSegments.pop();
            }
            else {
                normalizedPathSegments.push(pathSegment);
            }
        }
        // Joining by single slashes to remove consecutive slashes.
        const normalizedPath = `${path?.startsWith("/") ? "/" : ""}${normalizedPathSegments.join("/")}${normalizedPathSegments.length > 0 && path?.endsWith("/") ? "/" : ""}`;
        const doubleEncoded = encodeURIComponent(normalizedPath);
        return doubleEncoded.replace(/%2F/g, "/");
    }
    // For S3, we shouldn't normalize the path. For example, object name
    // my-object//example//photo.user should not be normalized to
    // my-object/example/photo.user
    return path;
}
function createCanonicalRequest(request, canonicalHeaders, isS3 = false) {
    const sortedHeaders = Object.keys(canonicalHeaders).sort();
    return `${request.method}
${getCanonicalPath(request, isS3)}
${(0, getCanonicalQuery_1.getCanonicalQuery)(request)}
${sortedHeaders.map((name) => `${name}:${canonicalHeaders[name]}`).join("\n")}

${sortedHeaders.join(";")}
${(0, getPayloadHash_1.getPayloadHash)(request)}`;
}