zCode-CLI-X/~/.npm-cache/@anthropic-ai/bedrock-sdk@0.26.4@@@1/core/auth.js

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.getAuthHeaders = void 0;
const sha256_js_1 = require("@aws-crypto/sha256-js");
const fetch_http_handler_1 = require("@smithy/fetch-http-handler");
const protocol_http_1 = require("@smithy/protocol-http");
const signature_v4_1 = require("@smithy/signature-v4");
const assert_1 = __importDefault(require("assert"));
const DEFAULT_PROVIDER_CHAIN_RESOLVER = () => Promise.resolve().then(() => __importStar(require('@aws-sdk/credential-providers'))).then(({ fromNodeProviderChain }) => fromNodeProviderChain({
    clientConfig: {
        requestHandler: new fetch_http_handler_1.FetchHttpHandler({
            requestInit: (httpRequest) => {
                return {
                    ...httpRequest,
                };
            },
        }),
    },
}))
    .catch((error) => {
    throw new Error(`Failed to import '@aws-sdk/credential-providers'.` +
        `You can provide a custom \`providerChainResolver\` in the client options if your runtime does not have access to '@aws-sdk/credential-providers': ` +
        `\`new AnthropicBedrock({ providerChainResolver })\` ` +
        `Original error: ${error.message}`);
});
const getAuthHeaders = async (req, props) => {
    (0, assert_1.default)(req.method, 'Expected request method property to be set');
    let credentials;
    if (props.awsAccessKey && props.awsSecretKey) {
        credentials = {
            accessKeyId: props.awsAccessKey,
            secretAccessKey: props.awsSecretKey,
            ...(props.awsSessionToken != null && { sessionToken: props.awsSessionToken }),
        };
    }
    else {
        const provider = await (props.providerChainResolver ?
            props.providerChainResolver()
            : DEFAULT_PROVIDER_CHAIN_RESOLVER());
        credentials = await provider();
    }
    const signer = new signature_v4_1.SignatureV4({
        service: 'bedrock',
        region: props.regionName,
        credentials,
        sha256: sha256_js_1.Sha256,
    });
    const url = new URL(props.url);
    const headers = !req.headers ? {}
        : Symbol.iterator in req.headers ?
            Object.fromEntries(Array.from(req.headers).map((header) => [...header]))
            : { ...req.headers };
    // The connection header may be stripped by a proxy somewhere, so the receiver
    // of this message may not see this header, so we remove it from the set of headers
    // that are signed.
    delete headers['connection'];
    headers['host'] = url.hostname;
    const request = new protocol_http_1.HttpRequest({
        method: req.method.toUpperCase(),
        protocol: url.protocol,
        path: url.pathname,
        headers,
        body: req.body,
    });
    const signed = await signer.sign(request);
    return signed.headers;
};
exports.getAuthHeaders = getAuthHeaders;
//# sourceMappingURL=auth.js.map