snyk-docker-plugin/dist/buffer-utils.js

Snyk CLI docker plugin

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.bufferToSha1 = void 0;
const crypto = require("crypto");
const types_1 = require("./types");
const HASH_ENCODING = "hex";
async function bufferToSha1(buffer) {
    const hash = crypto.createHash(types_1.HashAlgorithm.Sha1);
    const chunkSize = 100 * 1024 * 1024; // 100 MB
    return new Promise((resolve, reject) => {
        try {
            for (let offset = 0; offset < buffer.length; offset += chunkSize) {
                const end = Math.min(offset + chunkSize, buffer.length);
                const chunk = buffer.slice(offset, end);
                hash.update(chunk);
            }
            const digest = hash.digest(HASH_ENCODING);
            resolve(digest);
        }
        catch (err) {
            reject(err);
        }
    });
}
exports.bufferToSha1 = bufferToSha1;
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