61 lines
2.4 KiB
JavaScript
61 lines
2.4 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Sha1 = void 0;
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var util_utf8_1 = require("@smithy/util-utf8");
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var isEmptyData_1 = require("./isEmptyData");
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var constants_1 = require("./constants");
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var util_locate_window_1 = require("@aws-sdk/util-locate-window");
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var Sha1 = /** @class */ (function () {
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function Sha1(secret) {
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this.toHash = new Uint8Array(0);
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if (secret !== void 0) {
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this.key = new Promise(function (resolve, reject) {
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(0, util_locate_window_1.locateWindow)()
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.crypto.subtle.importKey("raw", convertToBuffer(secret), constants_1.SHA_1_HMAC_ALGO, false, ["sign"])
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.then(resolve, reject);
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});
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this.key.catch(function () { });
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}
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}
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Sha1.prototype.update = function (data) {
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if ((0, isEmptyData_1.isEmptyData)(data)) {
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return;
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}
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var update = convertToBuffer(data);
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var typedArray = new Uint8Array(this.toHash.byteLength + update.byteLength);
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typedArray.set(this.toHash, 0);
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typedArray.set(update, this.toHash.byteLength);
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this.toHash = typedArray;
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};
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Sha1.prototype.digest = function () {
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var _this = this;
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if (this.key) {
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return this.key.then(function (key) {
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return (0, util_locate_window_1.locateWindow)()
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.crypto.subtle.sign(constants_1.SHA_1_HMAC_ALGO, key, _this.toHash)
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.then(function (data) { return new Uint8Array(data); });
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});
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}
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if ((0, isEmptyData_1.isEmptyData)(this.toHash)) {
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return Promise.resolve(constants_1.EMPTY_DATA_SHA_1);
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}
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return Promise.resolve()
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.then(function () { return (0, util_locate_window_1.locateWindow)().crypto.subtle.digest(constants_1.SHA_1_HASH, _this.toHash); })
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.then(function (data) { return Promise.resolve(new Uint8Array(data)); });
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};
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Sha1.prototype.reset = function () {
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this.toHash = new Uint8Array(0);
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};
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return Sha1;
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}());
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exports.Sha1 = Sha1;
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function convertToBuffer(data) {
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if (typeof data === "string") {
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return (0, util_utf8_1.fromUtf8)(data);
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}
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if (ArrayBuffer.isView(data)) {
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return new Uint8Array(data.buffer, data.byteOffset, data.byteLength / Uint8Array.BYTES_PER_ELEMENT);
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}
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return new Uint8Array(data);
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}
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//# sourceMappingURL=webCryptoSha1.js.map
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