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Viewing file:     resolveAwsSdkSigV4Config.js (3.29 KB)      -rw-r--r--

import { doesIdentityRequireRefresh, isIdentityExpired, memoizeIdentityProvider, normalizeProvider, } from "@smithy/core";
import { SignatureV4 } from "@smithy/signature-v4";
export const resolveAwsSdkSigV4Config = (config) => {
    let normalizedCreds;
    if (config.credentials) {
        normalizedCreds = memoizeIdentityProvider(config.credentials, isIdentityExpired, doesIdentityRequireRefresh);
    }
    if (!normalizedCreds) {
        if (config.credentialDefaultProvider) {
            normalizedCreds = normalizeProvider(config.credentialDefaultProvider(Object.assign({}, config, {
                parentClientConfig: config,
            })));
        }
        else {
            normalizedCreds = async () => {
                throw new Error("`credentials` is missing");
            };
        }
    }
    const { signingEscapePath = true, systemClockOffset = config.systemClockOffset || 0, sha256, } = config;
    let signer;
    if (config.signer) {
        signer = normalizeProvider(config.signer);
    }
    else if (config.regionInfoProvider) {
        signer = () => normalizeProvider(config.region)()
            .then(async (region) => [
            (await config.regionInfoProvider(region, {
                useFipsEndpoint: await config.useFipsEndpoint(),
                useDualstackEndpoint: await config.useDualstackEndpoint(),
            })) || {},
            region,
        ])
            .then(([regionInfo, region]) => {
            const { signingRegion, signingService } = regionInfo;
            config.signingRegion = config.signingRegion || signingRegion || region;
            config.signingName = config.signingName || signingService || config.serviceId;
            const params = {
                ...config,
                credentials: normalizedCreds,
                region: config.signingRegion,
                service: config.signingName,
                sha256,
                uriEscapePath: signingEscapePath,
            };
            const SignerCtor = config.signerConstructor || SignatureV4;
            return new SignerCtor(params);
        });
    }
    else {
        signer = async (authScheme) => {
            authScheme = Object.assign({}, {
                name: "sigv4",
                signingName: config.signingName || config.defaultSigningName,
                signingRegion: await normalizeProvider(config.region)(),
                properties: {},
            }, authScheme);
            const signingRegion = authScheme.signingRegion;
            const signingService = authScheme.signingName;
            config.signingRegion = config.signingRegion || signingRegion;
            config.signingName = config.signingName || signingService || config.serviceId;
            const params = {
                ...config,
                credentials: normalizedCreds,
                region: config.signingRegion,
                service: config.signingName,
                sha256,
                uriEscapePath: signingEscapePath,
            };
            const SignerCtor = config.signerConstructor || SignatureV4;
            return new SignerCtor(params);
        };
    }
    return {
        ...config,
        systemClockOffset,
        signingEscapePath,
        credentials: normalizedCreds,
        signer,
    };
};
export const resolveAWSSDKSigV4Config = resolveAwsSdkSigV4Config;