30 lines
1.5 KiB
JavaScript
30 lines
1.5 KiB
JavaScript
import { AwsCrc32c } from "@aws-crypto/crc32c";
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import { ChecksumAlgorithm } from "./constants";
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import { crc64NvmeCrtContainer } from "./crc64-nvme-crt-container";
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import { getCrc32ChecksumAlgorithmFunction } from "./getCrc32ChecksumAlgorithmFunction";
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export const selectChecksumAlgorithmFunction = (checksumAlgorithm, config) => {
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switch (checksumAlgorithm) {
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case ChecksumAlgorithm.MD5:
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return config.md5;
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case ChecksumAlgorithm.CRC32:
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return getCrc32ChecksumAlgorithmFunction();
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case ChecksumAlgorithm.CRC32C:
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return AwsCrc32c;
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case ChecksumAlgorithm.CRC64NVME:
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if (typeof crc64NvmeCrtContainer.CrtCrc64Nvme !== "function") {
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throw new Error(`Please check whether you have installed the "@aws-sdk/crc64-nvme-crt" package explicitly. \n` +
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`You must also register the package by calling [require("@aws-sdk/crc64-nvme-crt");] ` +
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`or an ESM equivalent such as [import "@aws-sdk/crc64-nvme-crt";]. \n` +
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"For more information please go to " +
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"https://github.com/aws/aws-sdk-js-v3#functionality-requiring-aws-common-runtime-crt");
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}
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return crc64NvmeCrtContainer.CrtCrc64Nvme;
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case ChecksumAlgorithm.SHA1:
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return config.sha1;
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case ChecksumAlgorithm.SHA256:
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return config.sha256;
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default:
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throw new Error(`Unsupported checksum algorithm: ${checksumAlgorithm}`);
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}
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};
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