40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
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import { HttpRequest } from "@smithy/protocol-http";
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const CONTENT_LENGTH_HEADER = "content-length";
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export function contentLengthMiddleware(bodyLengthChecker) {
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return (next) => async (args) => {
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const request = args.request;
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if (HttpRequest.isInstance(request)) {
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const { body, headers } = request;
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if (body &&
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Object.keys(headers)
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.map((str) => str.toLowerCase())
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.indexOf(CONTENT_LENGTH_HEADER) === -1) {
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try {
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const length = bodyLengthChecker(body);
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request.headers = {
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...request.headers,
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[CONTENT_LENGTH_HEADER]: String(length),
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};
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}
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catch (error) {
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}
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}
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}
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return next({
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...args,
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request,
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});
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};
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}
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export const contentLengthMiddlewareOptions = {
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step: "build",
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tags: ["SET_CONTENT_LENGTH", "CONTENT_LENGTH"],
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name: "contentLengthMiddleware",
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override: true,
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};
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export const getContentLengthPlugin = (options) => ({
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applyToStack: (clientStack) => {
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clientStack.add(contentLengthMiddleware(options.bodyLengthChecker), contentLengthMiddlewareOptions);
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},
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});
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