初始化环境文件

node_modules/@aws-sdk/middleware-flexible-checksums/dist-es/flexibleChecksumsResponseMiddleware.js

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+import { HttpRequest } from "@smithy/protocol-http";
+import { getChecksumAlgorithmListForResponse } from "./getChecksumAlgorithmListForResponse";
+import { getChecksumLocationName } from "./getChecksumLocationName";
+import { isChecksumWithPartNumber } from "./isChecksumWithPartNumber";
+import { validateChecksumFromResponse } from "./validateChecksumFromResponse";
+export const flexibleChecksumsResponseMiddlewareOptions = {
+    name: "flexibleChecksumsResponseMiddleware",
+    toMiddleware: "deserializerMiddleware",
+    relation: "after",
+    tags: ["BODY_CHECKSUM"],
+    override: true,
+};
+export const flexibleChecksumsResponseMiddleware = (config, middlewareConfig) => (next, context) => async (args) => {
+    if (!HttpRequest.isInstance(args.request)) {
+        return next(args);
+    }
+    const input = args.input;
+    const result = await next(args);
+    const response = result.response;
+    const { requestValidationModeMember, responseAlgorithms } = middlewareConfig;
+    if (requestValidationModeMember && input[requestValidationModeMember] === "ENABLED") {
+        const { clientName, commandName } = context;
+        const customChecksumAlgorithms = Object.keys(config.checksumAlgorithms ?? {}).filter((algorithm) => {
+            const responseHeader = getChecksumLocationName(algorithm);
+            return response.headers[responseHeader] !== undefined;
+        });
+        const algoList = getChecksumAlgorithmListForResponse([
+            ...(responseAlgorithms ?? []),
+            ...customChecksumAlgorithms,
+        ]);
+        const isS3WholeObjectMultipartGetResponseChecksum = clientName === "S3Client" &&
+            commandName === "GetObjectCommand" &&
+            algoList.every((algorithm) => {
+                const responseHeader = getChecksumLocationName(algorithm);
+                const checksumFromResponse = response.headers[responseHeader];
+                return !checksumFromResponse || isChecksumWithPartNumber(checksumFromResponse);
+            });
+        if (isS3WholeObjectMultipartGetResponseChecksum) {
+            return result;
+        }
+        await validateChecksumFromResponse(response, {
+            config,
+            responseAlgorithms: algoList,
+            logger: context.logger,
+        });
+    }
+    return result;
+};