Software: Apache/2.4.41 (Ubuntu). PHP/8.0.30 

uname -a: Linux apirnd 5.4.0-204-generic #224-Ubuntu SMP Thu Dec 5 13:38:28 UTC 2024 x86_64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/var/www/html/aws_s3/node_modules/@smithy/signature-v4/dist-es/   drwxr-xr-x
Free 13.22 GB of 57.97 GB (22.81%)
                            Encoder    Tools    Proc.    FTP brute    Sec.    SQL    PHP-code    Update    Self remove    Logout    

Viewing file:     getPayloadHash.js (854 B)      -rw-r--r--

import { isArrayBuffer } from "@smithy/is-array-buffer";
import { toHex } from "@smithy/util-hex-encoding";
import { toUint8Array } from "@smithy/util-utf8";
import { SHA256_HEADER, UNSIGNED_PAYLOAD } from "./constants";
export const getPayloadHash = async ({ headers, body }, hashConstructor) => {
    for (const headerName of Object.keys(headers)) {
        if (headerName.toLowerCase() === SHA256_HEADER) {
            return headers[headerName];
        }
    }
    if (body == undefined) {
        return "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
    }
    else if (typeof body === "string" || ArrayBuffer.isView(body) || isArrayBuffer(body)) {
        const hashCtor = new hashConstructor();
        hashCtor.update(toUint8Array(body));
        return toHex(await hashCtor.digest());
    }
    return UNSIGNED_PAYLOAD;
};