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chore(client-s3): compatibility for S3Express and httpsigning midware
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,3 @@ | ||
| export { AwsSdkSigV4Signer, AWSSDKSigV4Signer } from "./AwsSdkSigV4Signer"; | ||
| export { AwsSdkSigV4Signer, AWSSDKSigV4Signer, validateSigningProperties } from "./AwsSdkSigV4Signer"; | ||
| export { AwsSdkSigV4ASigner } from "./AwsSdkSigV4ASigner"; | ||
| export * from "./resolveAwsSdkSigV4Config"; |
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124 changes: 124 additions & 0 deletions
124
packages/middleware-sdk-s3/src/s3-express/functions/s3ExpressHttpSigningMiddleware.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,124 @@ | ||
| /* eslint-disable @typescript-eslint/no-unused-vars */ | ||
| import { httpSigningMiddlewareOptions } from "@smithy/core"; | ||
| import { HttpRequest, IHttpRequest } from "@smithy/protocol-http"; | ||
| import { | ||
| AuthScheme, | ||
| AwsCredentialIdentity, | ||
| ErrorHandler, | ||
| FinalizeHandler, | ||
| FinalizeHandlerArguments, | ||
| FinalizeHandlerOutput, | ||
| FinalizeRequestMiddleware, | ||
| HandlerExecutionContext, | ||
| Pluggable, | ||
| RequestSigner, | ||
| SelectedHttpAuthScheme, | ||
| SMITHY_CONTEXT_KEY, | ||
| SuccessHandler, | ||
| } from "@smithy/types"; | ||
| import { getSmithyContext } from "@smithy/util-middleware"; | ||
|
|
||
| import { signS3Express } from "./signS3Express"; | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| interface HttpSigningMiddlewareSmithyContext extends Record<string, unknown> { | ||
| selectedHttpAuthScheme?: SelectedHttpAuthScheme; | ||
| } | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| interface HttpSigningMiddlewareHandlerExecutionContext extends HandlerExecutionContext { | ||
| [SMITHY_CONTEXT_KEY]?: HttpSigningMiddlewareSmithyContext; | ||
| } | ||
|
|
||
| const defaultErrorHandler: ErrorHandler = (signingProperties) => (error) => { | ||
| throw error; | ||
| }; | ||
|
|
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| const defaultSuccessHandler: SuccessHandler = ( | ||
| httpResponse: unknown, | ||
| signingProperties: Record<string, unknown> | ||
| ): void => {}; | ||
|
|
||
| interface SigningProperties { | ||
| signingRegion: string; | ||
| signingDate: Date; | ||
| signingService: string; | ||
| } | ||
|
|
||
| interface PreviouslyResolved { | ||
| signer: (authScheme?: AuthScheme | undefined) => Promise< | ||
| RequestSigner & { | ||
| signWithCredentials( | ||
| req: IHttpRequest, | ||
| identity: AwsCredentialIdentity, | ||
| opts?: Partial<SigningProperties> | ||
| ): Promise<IHttpRequest>; | ||
| } | ||
| >; | ||
| } | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| export const s3ExpressHttpSigningMiddlewareOptions = httpSigningMiddlewareOptions; | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| export const s3ExpressHttpSigningMiddleware = | ||
| <Input extends object, Output extends object>(config: PreviouslyResolved): FinalizeRequestMiddleware<any, any> => | ||
| (next: FinalizeHandler<any, any>, context: HttpSigningMiddlewareHandlerExecutionContext): FinalizeHandler<any, any> => | ||
| async (args: FinalizeHandlerArguments<any>): Promise<FinalizeHandlerOutput<any>> => { | ||
| if (!HttpRequest.isInstance(args.request)) { | ||
| return next(args); | ||
| } | ||
|
|
||
| const smithyContext: HttpSigningMiddlewareSmithyContext = getSmithyContext(context); | ||
| const scheme = smithyContext.selectedHttpAuthScheme; | ||
| if (!scheme) { | ||
| throw new Error(`No HttpAuthScheme was selected: unable to sign request`); | ||
| } | ||
| const { | ||
| httpAuthOption: { signingProperties = {} }, | ||
| identity, | ||
| signer, | ||
| } = scheme; | ||
|
|
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| let request: IHttpRequest; | ||
|
|
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| if (context.s3ExpressIdentity) { | ||
| request = await signS3Express( | ||
| context.s3ExpressIdentity, | ||
| signingProperties as unknown as SigningProperties, | ||
| args.request, | ||
| await config.signer() | ||
| ); | ||
| } else { | ||
| request = await signer.sign(args.request, identity, signingProperties); | ||
| } | ||
|
|
||
| const output = await next({ | ||
| ...args, | ||
| request, | ||
| }).catch((signer.errorHandler || defaultErrorHandler)(signingProperties)); | ||
| (signer.successHandler || defaultSuccessHandler)(output.response, signingProperties); | ||
| return output; | ||
| }; | ||
|
|
||
| /** | ||
| * @internal | ||
| */ | ||
| export const getS3ExpressHttpSigningPlugin = (config: { | ||
| signer: (authScheme?: AuthScheme | undefined) => Promise<RequestSigner>; | ||
| }): Pluggable<any, any> => ({ | ||
| applyToStack: (clientStack) => { | ||
| clientStack.addRelativeTo( | ||
| s3ExpressHttpSigningMiddleware(config as PreviouslyResolved), | ||
| httpSigningMiddlewareOptions | ||
| ); | ||
| }, | ||
| }); |
29 changes: 29 additions & 0 deletions
29
packages/middleware-sdk-s3/src/s3-express/functions/signS3Express.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| import type { AwsCredentialIdentity, HttpRequest as IHttpRequest } from "@smithy/types"; | ||
|
|
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| import { S3ExpressIdentity } from "../interfaces/S3ExpressIdentity"; | ||
|
|
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| export const signS3Express = async ( | ||
| s3ExpressIdentity: S3ExpressIdentity, | ||
| signingOptions: { | ||
| signingDate: Date; | ||
| signingRegion: string; | ||
| signingService: string; | ||
| }, | ||
| request: IHttpRequest, | ||
| sigV4MultiRegionSigner: { | ||
| signWithCredentials( | ||
| req: IHttpRequest, | ||
| identity: AwsCredentialIdentity, | ||
| opts?: Partial<typeof signingOptions> | ||
| ): Promise<IHttpRequest>; | ||
| } | ||
| ) => { | ||
| // the signer is expected to be SignatureV4MultiRegion for S3. | ||
| const signedRequest = await sigV4MultiRegionSigner.signWithCredentials(request, s3ExpressIdentity, {}); | ||
|
|
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| if (signedRequest.headers["X-Amz-Security-Token"] || signedRequest.headers["x-amz-security-token"]) { | ||
| throw new Error("X-Amz-Security-Token must not be set for s3-express requests."); | ||
| } | ||
|
|
||
| return signedRequest; | ||
| }; |
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