25 lines
1.1 KiB
JavaScript
25 lines
1.1 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getPayloadHash = void 0;
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const is_array_buffer_1 = require("@smithy/is-array-buffer");
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const util_hex_encoding_1 = require("@smithy/util-hex-encoding");
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const util_utf8_1 = require("@smithy/util-utf8");
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const constants_1 = require("./constants");
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const getPayloadHash = async ({ headers, body }, hashConstructor) => {
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for (const headerName of Object.keys(headers)) {
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if (headerName.toLowerCase() === constants_1.SHA256_HEADER) {
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return headers[headerName];
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}
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}
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if (body == undefined) {
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return "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855";
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}
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else if (typeof body === "string" || ArrayBuffer.isView(body) || (0, is_array_buffer_1.isArrayBuffer)(body)) {
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const hashCtor = new hashConstructor();
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hashCtor.update((0, util_utf8_1.toUint8Array)(body));
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return (0, util_hex_encoding_1.toHex)(await hashCtor.digest());
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}
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return constants_1.UNSIGNED_PAYLOAD;
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};
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exports.getPayloadHash = getPayloadHash;
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