@aws-sdk/middleware-signing - npm Package Compare versions

Comparing version 3.6.1 to 3.8.1

CHANGELOG.md

@@ -6,2 +6,13 @@ # Change Log
 
+## [3.8.1](https://github.com/aws/aws-sdk-js-v3/compare/v3.8.0...v3.8.1) (2021-03-11)
+
+
+### Bug Fixes
+
+* **middleware-signing:** memoize temporary credentials ([#2109](https://github.com/aws/aws-sdk-js-v3/issues/2109)) ([cf238b9](https://github.com/aws/aws-sdk-js-v3/commit/cf238b931ee5c0514246832e9e2e36a9173e1f05))
+
+
+
+
+
 ## [3.6.1](https://github.com/aws/aws-sdk-js-v3/compare/v3.6.0...v3.6.1) (2021-02-22)
@@ -8,0 +19,0 @@

dist/cjs/configurations.js

 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
 exports.resolveAwsAuthConfig = void 0;
+const property_provider_1 = require("@aws-sdk/property-provider");
 const signature_v4_1 = require("@aws-sdk/signature-v4");
-function resolveAwsAuthConfig(input) {
-    const credentials = input.credentials || input.credentialDefaultProvider(input);
-    const normalizedCreds = normalizeProvider(credentials);
+// 5 minutes buffer time the refresh the credential before it really expires
+const CREDENTIAL_EXPIRE_WINDOW = 300000;
+const resolveAwsAuthConfig = (input) => {
+    const normalizedCreds = input.credentials
+        ? normalizeCredentialProvider(input.credentials)
+        : input.credentialDefaultProvider(input);
     const { signingEscapePath = true, systemClockOffset = input.systemClockOffset || 0, sha256 } = input;
@@ -42,5 +46,5 @@ let signer;
     };
-}
+};
 exports.resolveAwsAuthConfig = resolveAwsAuthConfig;
-function normalizeProvider(input) {
+const normalizeProvider = (input) => {
     if (typeof input === "object") {
@@ -51,3 +55,10 @@ const promisified = Promise.resolve(input);
     return input;
-}
-//# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJmaWxlIjoiY29uZmlndXJhdGlvbnMuanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlcyI6WyIuLi8uLi9zcmMvY29uZmlndXJhdGlvbnMudHMiXSwibmFtZXMiOltdLCJtYXBwaW5ncyI6Ijs7O0FBQUEsd0RBQW9EO0FBNENwRCxTQUFnQixvQkFBb0IsQ0FBSSxLQUFrRDtJQUN4RixNQUFNLFdBQVcsR0FBRyxLQUFLLENBQUMsV0FBVyxJQUFJLEtBQUssQ0FBQyx5QkFBeUIsQ0FBQyxLQUFZLENBQUMsQ0FBQztJQUN2RixNQUFNLGVBQWUsR0FBRyxpQkFBaUIsQ0FBQyxXQUFXLENBQUMsQ0FBQztJQUN2RCxNQUFNLEVBQUUsaUJBQWlCLEdBQUcsSUFBSSxFQUFFLGlCQUFpQixHQUFHLEtBQUssQ0FBQyxpQkFBaUIsSUFBSSxDQUFDLEVBQUUsTUFBTSxFQUFFLEdBQUcsS0FBSyxDQUFDO0lBQ3JHLElBQUksTUFBK0IsQ0FBQztJQUNwQyxJQUFJLEtBQUssQ0FBQyxNQUFNLEVBQUU7UUFDaEIsMkZBQTJGO1FBQzNGLE1BQU0sR0FBRyxpQkFBaUIsQ0FBQyxLQUFLLENBQUMsTUFBTSxDQUFDLENBQUM7S0FDMUM7U0FBTTtRQUNMLHFEQUFxRDtRQUNyRCxNQUFNLEdBQUcsR0FBRyxFQUFFLENBQ1osaUJBQWlCLENBQUMsS0FBSyxDQUFDLE1BQU0sQ0FBQyxFQUFFO2FBQzlCLElBQUksQ0FBQyxLQUFLLEVBQUUsTUFBTSxFQUFFLEVBQUUsQ0FBQyxDQUFDLENBQUMsTUFBTSxLQUFLLENBQUMsa0JBQWtCLENBQUMsTUFBTSxDQUFDLENBQUMsSUFBSSxFQUFFLEVBQUUsTUFBTSxDQUF5QixDQUFDO2FBQ3hHLElBQUksQ0FBQyxDQUFDLENBQUMsVUFBVSxFQUFFLE1BQU0sQ0FBQyxFQUFFLEVBQUU7WUFDN0IsTUFBTSxFQUFFLGFBQWEsRUFBRSxjQUFjLEVBQUUsR0FBRyxVQUFVLENBQUM7WUFDckQsaUZBQWlGO1lBQ2pGLGdIQUFnSDtZQUNoSCxLQUFLLENBQUMsYUFBYSxHQUFHLEtBQUssQ0FBQyxhQUFhLElBQUksYUFBYSxJQUFJLE1BQU0sQ0FBQztZQUNyRSwrQkFBK0I7WUFDL0IsbUhBQW1IO1lBQ25ILEtBQUssQ0FBQyxXQUFXLEdBQUcsS0FBSyxDQUFDLFdBQVcsSUFBSSxjQUFjLElBQUksS0FBSyxDQUFDLFNBQVMsQ0FBQztZQUUzRSxPQUFPLElBQUksMEJBQVcsQ0FBQztnQkFDckIsV0FBVyxFQUFFLGVBQWU7Z0JBQzVCLE1BQU0sRUFBRSxLQUFLLENBQUMsYUFBYTtnQkFDM0IsT0FBTyxFQUFFLEtBQUssQ0FBQyxXQUFXO2dCQUMxQixNQUFNO2dCQUNOLGFBQWEsRUFBRSxpQkFBaUI7YUFDakMsQ0FBQyxDQUFDO1FBQ0wsQ0FBQyxDQUFDLENBQUM7S0FDUjtJQUVELE9BQU87UUFDTCxHQUFHLEtBQUs7UUFDUixpQkFBaUI7UUFDakIsaUJBQWlCO1FBQ2pCLFdBQVcsRUFBRSxlQUFlO1FBQzVCLE1BQU07S0FDUCxDQUFDO0FBQ0osQ0FBQztBQXZDRCxvREF1Q0M7QUFFRCxTQUFTLGlCQUFpQixDQUFJLEtBQXNCO0lBQ2xELElBQUksT0FBTyxLQUFLLEtBQUssUUFBUSxFQUFFO1FBQzdCLE1BQU0sV0FBVyxHQUFHLE9BQU8sQ0FBQyxPQUFPLENBQUMsS0FBSyxDQUFDLENBQUM7UUFDM0MsT0FBTyxHQUFHLEVBQUUsQ0FBQyxXQUFXLENBQUM7S0FDMUI7SUFDRCxPQUFPLEtBQW9CLENBQUM7QUFDOUIsQ0FBQyIsInNvdXJjZXNDb250ZW50IjpbImltcG9ydCB7IFNpZ25hdHVyZVY0IH0gZnJvbSBcIkBhd3Mtc2RrL3NpZ25hdHVyZS12NFwiO1xuaW1wb3J0IHsgQ3JlZGVudGlhbHMsIEhhc2hDb25zdHJ1Y3RvciwgUHJvdmlkZXIsIFJlZ2lvbkluZm8sIFJlZ2lvbkluZm9Qcm92aWRlciwgUmVxdWVzdFNpZ25lciB9IGZyb20gXCJAYXdzLXNkay90eXBlc1wiO1xuXG5leHBvcnQgaW50ZXJmYWNlIEF3c0F1dGhJbnB1dENvbmZpZyB7XG4gIC8qKlxuICAgKiBUaGUgY3JlZGVudGlhbHMgdXNlZCB0byBzaWduIHJlcXVlc3RzLlxuICAgKi9cbiAgY3JlZGVudGlhbHM/OiBDcmVkZW50aWFscyB8IFByb3ZpZGVyPENyZWRlbnRpYWxzPjtcblxuICAvKipcbiAgICogVGhlIHNpZ25lciB0byB1c2Ugd2hlbiBzaWduaW5nIHJlcXVlc3RzLlxuICAgKi9cbiAgc2lnbmVyPzogUmVxdWVzdFNpZ25lciB8IFByb3ZpZGVyPFJlcXVlc3RTaWduZXI+O1xuXG4gIC8qKlxuICAgKiBXaGV0aGVyIHRvIGVzY2FwZSByZXF1ZXN0IHBhdGggd2hlbiBzaWduaW5nIHRoZSByZXF1ZXN0LlxuICAgKi9cbiAgc2lnbmluZ0VzY2FwZVBhdGg/OiBib29sZWFuO1xuXG4gIC8qKlxuICAgKiBBbiBvZmZzZXQgdmFsdWUgaW4gbWlsbGlzZWNvbmRzIHRvIGFwcGx5IHRvIGFsbCBzaWduaW5nIHRpbWVzLlxuICAgKi9cbiAgc3lzdGVtQ2xvY2tPZmZzZXQ/OiBudW1iZXI7XG5cbiAgLyoqXG4gICAqIFRoZSByZWdpb24gd2hlcmUgeW91IHdhbnQgdG8gc2lnbiB5b3VyIHJlcXVlc3QgYWdhaW5zdC4gVGhpc1xuICAgKiBjYW4gYmUgZGlmZmVyZW50IHRvIHRoZSByZWdpb24gaW4gdGhlIGVuZHBvaW50LlxuICAgKi9cbiAgc2lnbmluZ1JlZ2lvbj86IHN0cmluZztcbn1cbmludGVyZmFjZSBQcmV2aW91c2x5UmVzb2x2ZWQge1xuICBjcmVkZW50aWFsRGVmYXVsdFByb3ZpZGVyOiAoaW5wdXQ6IGFueSkgPT4gUHJvdmlkZXI8Q3JlZGVudGlhbHM+O1xuICByZWdpb246IHN0cmluZyB8IFByb3ZpZGVyPHN0cmluZz47XG4gIHJlZ2lvbkluZm9Qcm92aWRlcjogUmVnaW9uSW5mb1Byb3ZpZGVyO1xuICBzaWduaW5nTmFtZT86IHN0cmluZztcbiAgc2VydmljZUlkOiBzdHJpbmc7XG4gIHNoYTI1NjogSGFzaENvbnN0cnVjdG9yO1xufVxuZXhwb3J0IGludGVyZmFjZSBBd3NBdXRoUmVzb2x2ZWRDb25maWcge1xuICBjcmVkZW50aWFsczogUHJvdmlkZXI8Q3JlZGVudGlhbHM+O1xuICBzaWduZXI6IFByb3ZpZGVyPFJlcXVlc3RTaWduZXI+O1xuICBzaWduaW5nRXNjYXBlUGF0aDogYm9vbGVhbjtcbiAgc3lzdGVtQ2xvY2tPZmZzZXQ6IG51bWJlcjtcbn1cbmV4cG9ydCBmdW5jdGlvbiByZXNvbHZlQXdzQXV0aENvbmZpZzxUPihpbnB1dDogVCAmIEF3c0F1dGhJbnB1dENvbmZpZyAmIFByZXZpb3VzbHlSZXNvbHZlZCk6IFQgJiBBd3NBdXRoUmVzb2x2ZWRDb25maWcge1xuICBjb25zdCBjcmVkZW50aWFscyA9IGlucHV0LmNyZWRlbnRpYWxzIHx8IGlucHV0LmNyZWRlbnRpYWxEZWZhdWx0UHJvdmlkZXIoaW5wdXQgYXMgYW55KTtcbiAgY29uc3Qgbm9ybWFsaXplZENyZWRzID0gbm9ybWFsaXplUHJvdmlkZXIoY3JlZGVudGlhbHMpO1xuICBjb25zdCB7IHNpZ25pbmdFc2NhcGVQYXRoID0gdHJ1ZSwgc3lzdGVtQ2xvY2tPZmZzZXQgPSBpbnB1dC5zeXN0ZW1DbG9ja09mZnNldCB8fCAwLCBzaGEyNTYgfSA9IGlucHV0O1xuICBsZXQgc2lnbmVyOiBQcm92aWRlcjxSZXF1ZXN0U2lnbmVyPjtcbiAgaWYgKGlucHV0LnNpZ25lcikge1xuICAgIC8vaWYgc2lnbmVyIGlzIHN1cHBsaWVkIGJ5IHVzZXIsIG5vcm1hbGl6ZSBpdCB0byBhIGZ1bmN0aW9uIHJldHVybmluZyBhIHByb21pc2UgZm9yIHNpZ25lci5cbiAgICBzaWduZXIgPSBub3JtYWxpemVQcm92aWRlcihpbnB1dC5zaWduZXIpO1xuICB9IGVsc2Uge1xuICAgIC8vY29uc3RydWN0IGEgcHJvdmlkZXIgaW5mZXJyaW5nIHNpZ25pbmcgZnJvbSByZWdpb24uXG4gICAgc2lnbmVyID0gKCkgPT5cbiAgICAgIG5vcm1hbGl6ZVByb3ZpZGVyKGlucHV0LnJlZ2lvbikoKVxuICAgICAgICAudGhlbihhc3luYyAocmVnaW9uKSA9PiBbKGF3YWl0IGlucHV0LnJlZ2lvbkluZm9Qcm92aWRlcihyZWdpb24pKSB8fCB7fSwgcmVnaW9uXSBhcyBbUmVnaW9uSW5mbywgc3RyaW5nXSlcbiAgICAgICAgLnRoZW4oKFtyZWdpb25JbmZvLCByZWdpb25dKSA9PiB7XG4gICAgICAgICAgY29uc3QgeyBzaWduaW5nUmVnaW9uLCBzaWduaW5nU2VydmljZSB9ID0gcmVnaW9uSW5mbztcbiAgICAgICAgICAvL3VwZGF0ZSBjbGllbnQncyBzaW5naW5nIHJlZ2lvbiBhbmQgc2lnbmluZyBzZXJ2aWNlIGNvbmZpZyBpZiB0aGV5IGFyZSByZXNvbHZlZC5cbiAgICAgICAgICAvL3NpZ25pbmcgcmVnaW9uIHJlc29sdmluZyBvcmRlcjogdXNlciBzdXBwbGllZCBzaWduaW5nUmVnaW9uIC0+IGVuZHBvaW50cy5qc29uIGluZmVycmVkIHJlZ2lvbiAtPiBjbGllbnQgcmVnaW9uXG4gICAgICAgICAgaW5wdXQuc2lnbmluZ1JlZ2lvbiA9IGlucHV0LnNpZ25pbmdSZWdpb24gfHwgc2lnbmluZ1JlZ2lvbiB8fCByZWdpb247XG4gICAgICAgICAgLy9zaWduaW5nIG5hbWUgcmVzb2x2aW5nIG9yZGVyOlxuICAgICAgICAgIC8vdXNlciBzdXBwbGllZCBzaWduaW5nTmFtZSAtPiBlbmRwb2ludHMuanNvbiBpbmZlcnJlZCAoY3JlZGVudGlhbCBzY29wZSAtPiBtb2RlbCBhcm5OYW1lc3BhY2UpIC0+IG1vZGVsIHNlcnZpY2UgaWRcbiAgICAgICAgICBpbnB1dC5zaWduaW5nTmFtZSA9IGlucHV0LnNpZ25pbmdOYW1lIHx8IHNpZ25pbmdTZXJ2aWNlIHx8IGlucHV0LnNlcnZpY2VJZDtcblxuICAgICAgICAgIHJldHVybiBuZXcgU2lnbmF0dXJlVjQoe1xuICAgICAgICAgICAgY3JlZGVudGlhbHM6IG5vcm1hbGl6ZWRDcmVkcyxcbiAgICAgICAgICAgIHJlZ2lvbjogaW5wdXQuc2lnbmluZ1JlZ2lvbixcbiAgICAgICAgICAgIHNlcnZpY2U6IGlucHV0LnNpZ25pbmdOYW1lLFxuICAgICAgICAgICAgc2hhMjU2LFxuICAgICAgICAgICAgdXJpRXNjYXBlUGF0aDogc2lnbmluZ0VzY2FwZVBhdGgsXG4gICAgICAgICAgfSk7XG4gICAgICAgIH0pO1xuICB9XG5cbiAgcmV0dXJuIHtcbiAgICAuLi5pbnB1dCxcbiAgICBzeXN0ZW1DbG9ja09mZnNldCxcbiAgICBzaWduaW5nRXNjYXBlUGF0aCxcbiAgICBjcmVkZW50aWFsczogbm9ybWFsaXplZENyZWRzLFxuICAgIHNpZ25lcixcbiAgfTtcbn1cblxuZnVuY3Rpb24gbm9ybWFsaXplUHJvdmlkZXI8VD4oaW5wdXQ6IFQgfCBQcm92aWRlcjxUPik6IFByb3ZpZGVyPFQ+IHtcbiAgaWYgKHR5cGVvZiBpbnB1dCA9PT0gXCJvYmplY3RcIikge1xuICAgIGNvbnN0IHByb21pc2lmaWVkID0gUHJvbWlzZS5yZXNvbHZlKGlucHV0KTtcbiAgICByZXR1cm4gKCkgPT4gcHJvbWlzaWZpZWQ7XG4gIH1cbiAgcmV0dXJuIGlucHV0IGFzIFByb3ZpZGVyPFQ+O1xufVxuIl19
+};
+const normalizeCredentialProvider = (credentials) => {
+    if (typeof credentials === "function") {
+        return property_provider_1.memoize(credentials, (credentials) => credentials.expiration !== undefined &&
+            credentials.expiration.getTime() - Date.now() < CREDENTIAL_EXPIRE_WINDOW, (credentials) => credentials.expiration !== undefined);
+    }
+    return normalizeProvider(credentials);
+};
+//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"configurations.js","sourceRoot":"","sources":["../../src/configurations.ts"],"names":[],"mappings":";;;AAAA,kEAAqD;AACrD,wDAAoD;AAGpD,4EAA4E;AAC5E,MAAM,wBAAwB,GAAG,MAAM,CAAC;AA4CjC,MAAM,oBAAoB,GAAG,CAClC,KAAkD,EACvB,EAAE;IAC7B,MAAM,eAAe,GAAG,KAAK,CAAC,WAAW;QACvC,CAAC,CAAC,2BAA2B,CAAC,KAAK,CAAC,WAAW,CAAC;QAChD,CAAC,CAAC,KAAK,CAAC,yBAAyB,CAAC,KAAY,CAAC,CAAC;IAClD,MAAM,EAAE,iBAAiB,GAAG,IAAI,EAAE,iBAAiB,GAAG,KAAK,CAAC,iBAAiB,IAAI,CAAC,EAAE,MAAM,EAAE,GAAG,KAAK,CAAC;IACrG,IAAI,MAA+B,CAAC;IACpC,IAAI,KAAK,CAAC,MAAM,EAAE;QAChB,2FAA2F;QAC3F,MAAM,GAAG,iBAAiB,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;KAC1C;SAAM;QACL,qDAAqD;QACrD,MAAM,GAAG,GAAG,EAAE,CACZ,iBAAiB,CAAC,KAAK,CAAC,MAAM,CAAC,EAAE;aAC9B,IAAI,CAAC,KAAK,EAAE,MAAM,EAAE,EAAE,CAAC,CAAC,CAAC,MAAM,KAAK,CAAC,kBAAkB,CAAC,MAAM,CAAC,CAAC,IAAI,EAAE,EAAE,MAAM,CAAyB,CAAC;aACxG,IAAI,CAAC,CAAC,CAAC,UAAU,EAAE,MAAM,CAAC,EAAE,EAAE;YAC7B,MAAM,EAAE,aAAa,EAAE,cAAc,EAAE,GAAG,UAAU,CAAC;YACrD,iFAAiF;YACjF,gHAAgH;YAChH,KAAK,CAAC,aAAa,GAAG,KAAK,CAAC,aAAa,IAAI,aAAa,IAAI,MAAM,CAAC;YACrE,+BAA+B;YAC/B,mHAAmH;YACnH,KAAK,CAAC,WAAW,GAAG,KAAK,CAAC,WAAW,IAAI,cAAc,IAAI,KAAK,CAAC,SAAS,CAAC;YAE3E,OAAO,IAAI,0BAAW,CAAC;gBACrB,WAAW,EAAE,eAAe;gBAC5B,MAAM,EAAE,KAAK,CAAC,aAAa;gBAC3B,OAAO,EAAE,KAAK,CAAC,WAAW;gBAC1B,MAAM;gBACN,aAAa,EAAE,iBAAiB;aACjC,CAAC,CAAC;QACL,CAAC,CAAC,CAAC;KACR;IAED,OAAO;QACL,GAAG,KAAK;QACR,iBAAiB;QACjB,iBAAiB;QACjB,WAAW,EAAE,eAAe;QAC5B,MAAM;KACP,CAAC;AACJ,CAAC,CAAC;AA1CW,QAAA,oBAAoB,wBA0C/B;AAEF,MAAM,iBAAiB,GAAG,CAAI,KAAsB,EAAe,EAAE;IACnE,IAAI,OAAO,KAAK,KAAK,QAAQ,EAAE;QAC7B,MAAM,WAAW,GAAG,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;QAC3C,OAAO,GAAG,EAAE,CAAC,WAAW,CAAC;KAC1B;IACD,OAAO,KAAoB,CAAC;AAC9B,CAAC,CAAC;AAEF,MAAM,2BAA2B,GAAG,CAAC,WAAgD,EAAyB,EAAE;IAC9G,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;QACrC,OAAO,2BAAO,CACZ,WAAW,EACX,CAAC,WAAW,EAAE,EAAE,CACd,WAAW,CAAC,UAAU,KAAK,SAAS;YACpC,WAAW,CAAC,UAAU,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,GAAG,EAAE,GAAG,wBAAwB,EAC1E,CAAC,WAAW,EAAE,EAAE,CAAC,WAAW,CAAC,UAAU,KAAK,SAAS,CACtD,CAAC;KACH;IACD,OAAO,iBAAiB,CAAC,WAAW,CAAC,CAAC;AACxC,CAAC,CAAC","sourcesContent":["import { memoize } from \"@aws-sdk/property-provider\";\nimport { SignatureV4 } from \"@aws-sdk/signature-v4\";\nimport { Credentials, HashConstructor, Provider, RegionInfo, RegionInfoProvider, RequestSigner } from \"@aws-sdk/types\";\n\n// 5 minutes buffer time the refresh the credential before it really expires\nconst CREDENTIAL_EXPIRE_WINDOW = 300000;\n\nexport interface AwsAuthInputConfig {\n  /**\n   * The credentials used to sign requests.\n   */\n  credentials?: Credentials | Provider<Credentials>;\n\n  /**\n   * The signer to use when signing requests.\n   */\n  signer?: RequestSigner | Provider<RequestSigner>;\n\n  /**\n   * Whether to escape request path when signing the request.\n   */\n  signingEscapePath?: boolean;\n\n  /**\n   * An offset value in milliseconds to apply to all signing times.\n   */\n  systemClockOffset?: number;\n\n  /**\n   * The region where you want to sign your request against. This\n   * can be different to the region in the endpoint.\n   */\n  signingRegion?: string;\n}\ninterface PreviouslyResolved {\n  credentialDefaultProvider: (input: any) => Provider<Credentials>;\n  region: string | Provider<string>;\n  regionInfoProvider: RegionInfoProvider;\n  signingName?: string;\n  serviceId: string;\n  sha256: HashConstructor;\n}\nexport interface AwsAuthResolvedConfig {\n  credentials: Provider<Credentials>;\n  signer: Provider<RequestSigner>;\n  signingEscapePath: boolean;\n  systemClockOffset: number;\n}\n\nexport const resolveAwsAuthConfig = <T>(\n  input: T & AwsAuthInputConfig & PreviouslyResolved\n): T & AwsAuthResolvedConfig => {\n  const normalizedCreds = input.credentials\n    ? normalizeCredentialProvider(input.credentials)\n    : input.credentialDefaultProvider(input as any);\n  const { signingEscapePath = true, systemClockOffset = input.systemClockOffset || 0, sha256 } = input;\n  let signer: Provider<RequestSigner>;\n  if (input.signer) {\n    //if signer is supplied by user, normalize it to a function returning a promise for signer.\n    signer = normalizeProvider(input.signer);\n  } else {\n    //construct a provider inferring signing from region.\n    signer = () =>\n      normalizeProvider(input.region)()\n        .then(async (region) => [(await input.regionInfoProvider(region)) || {}, region] as [RegionInfo, string])\n        .then(([regionInfo, region]) => {\n          const { signingRegion, signingService } = regionInfo;\n          //update client's singing region and signing service config if they are resolved.\n          //signing region resolving order: user supplied signingRegion -> endpoints.json inferred region -> client region\n          input.signingRegion = input.signingRegion || signingRegion || region;\n          //signing name resolving order:\n          //user supplied signingName -> endpoints.json inferred (credential scope -> model arnNamespace) -> model service id\n          input.signingName = input.signingName || signingService || input.serviceId;\n\n          return new SignatureV4({\n            credentials: normalizedCreds,\n            region: input.signingRegion,\n            service: input.signingName,\n            sha256,\n            uriEscapePath: signingEscapePath,\n          });\n        });\n  }\n\n  return {\n    ...input,\n    systemClockOffset,\n    signingEscapePath,\n    credentials: normalizedCreds,\n    signer,\n  };\n};\n\nconst normalizeProvider = <T>(input: T | Provider<T>): Provider<T> => {\n  if (typeof input === \"object\") {\n    const promisified = Promise.resolve(input);\n    return () => promisified;\n  }\n  return input as Provider<T>;\n};\n\nconst normalizeCredentialProvider = (credentials: Credentials | Provider<Credentials>): Provider<Credentials> => {\n  if (typeof credentials === \"function\") {\n    return memoize(\n      credentials,\n      (credentials) =>\n        credentials.expiration !== undefined &&\n        credentials.expiration.getTime() - Date.now() < CREDENTIAL_EXPIRE_WINDOW,\n      (credentials) => credentials.expiration !== undefined\n    );\n  }\n  return normalizeProvider(credentials);\n};\n"]}

dist/es/configurations.js

 import { __assign, __awaiter, __generator, __read } from "tslib";
+import { memoize } from "@aws-sdk/property-provider";
 import { SignatureV4 } from "@aws-sdk/signature-v4";
-export function resolveAwsAuthConfig(input) {
-    var _this = this;
-    var credentials = input.credentials || input.credentialDefaultProvider(input);
-    var normalizedCreds = normalizeProvider(credentials);
+// 5 minutes buffer time the refresh the credential before it really expires
+var CREDENTIAL_EXPIRE_WINDOW = 300000;
+export var resolveAwsAuthConfig = function (input) {
+    var normalizedCreds = input.credentials
+        ? normalizeCredentialProvider(input.credentials)
+        : input.credentialDefaultProvider(input);
     var _a = input.signingEscapePath, signingEscapePath = _a === void 0 ? true : _a, _b = input.systemClockOffset, systemClockOffset = _b === void 0 ? input.systemClockOffset || 0 : _b, sha256 = input.sha256;
@@ -17,3 +20,3 @@ var signer;
             return normalizeProvider(input.region)()
-                .then(function (region) { return __awaiter(_this, void 0, void 0, function () { return __generator(this, function (_a) {
+                .then(function (region) { return __awaiter(void 0, void 0, void 0, function () { return __generator(this, function (_a) {
                 switch (_a.label) {
@@ -45,4 +48,4 @@ case 0: return [4 /*yield*/, input.regionInfoProvider(region)];
         signingEscapePath: signingEscapePath, credentials: normalizedCreds, signer: signer });
-}
-function normalizeProvider(input) {
+};
+var normalizeProvider = function (input) {
     if (typeof input === "object") {
@@ -53,3 +56,12 @@ var promisified_1 = Promise.resolve(input);
     return input;
-}
-//# sourceMappingURL=data:application/json;base64,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
+};
+var normalizeCredentialProvider = function (credentials) {
+    if (typeof credentials === "function") {
+        return memoize(credentials, function (credentials) {
+            return credentials.expiration !== undefined &&
+                credentials.expiration.getTime() - Date.now() < CREDENTIAL_EXPIRE_WINDOW;
+        }, function (credentials) { return credentials.expiration !== undefined; });
+    }
+    return normalizeProvider(credentials);
+};
+//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"configurations.js","sourceRoot":"","sources":["../../src/configurations.ts"],"names":[],"mappings":";AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,4BAA4B,CAAC;AACrD,OAAO,EAAE,WAAW,EAAE,MAAM,uBAAuB,CAAC;AAGpD,4EAA4E;AAC5E,IAAM,wBAAwB,GAAG,MAAM,CAAC;AA4CxC,MAAM,CAAC,IAAM,oBAAoB,GAAG,UAClC,KAAkD;IAElD,IAAM,eAAe,GAAG,KAAK,CAAC,WAAW;QACvC,CAAC,CAAC,2BAA2B,CAAC,KAAK,CAAC,WAAW,CAAC;QAChD,CAAC,CAAC,KAAK,CAAC,yBAAyB,CAAC,KAAY,CAAC,CAAC;IAC1C,IAAA,KAAuF,KAAK,kBAApE,EAAxB,iBAAiB,mBAAG,IAAI,KAAA,EAAE,KAA6D,KAAK,kBAAlB,EAAhD,iBAAiB,mBAAG,KAAK,CAAC,iBAAiB,IAAI,CAAC,KAAA,EAAE,MAAM,GAAK,KAAK,OAAV,CAAW;IACrG,IAAI,MAA+B,CAAC;IACpC,IAAI,KAAK,CAAC,MAAM,EAAE;QAChB,2FAA2F;QAC3F,MAAM,GAAG,iBAAiB,CAAC,KAAK,CAAC,MAAM,CAAC,CAAC;KAC1C;SAAM;QACL,qDAAqD;QACrD,MAAM,GAAG;YACP,OAAA,iBAAiB,CAAC,KAAK,CAAC,MAAM,CAAC,EAAE;iBAC9B,IAAI,CAAC,UAAO,MAAM;;4BAAO,qBAAM,KAAK,CAAC,kBAAkB,CAAC,MAAM,CAAC,EAAA;4BAAxC,sBAAA,CAAC,CAAC,SAAsC,CAAC,IAAI,EAAE,EAAE,MAAM,CAAyB,EAAA;;qBAAA,CAAC;iBACxG,IAAI,CAAC,UAAC,EAAoB;oBAApB,KAAA,aAAoB,EAAnB,UAAU,QAAA,EAAE,MAAM,QAAA;gBAChB,IAAA,aAAa,GAAqB,UAAU,cAA/B,EAAE,cAAc,GAAK,UAAU,eAAf,CAAgB;gBACrD,iFAAiF;gBACjF,gHAAgH;gBAChH,KAAK,CAAC,aAAa,GAAG,KAAK,CAAC,aAAa,IAAI,aAAa,IAAI,MAAM,CAAC;gBACrE,+BAA+B;gBAC/B,mHAAmH;gBACnH,KAAK,CAAC,WAAW,GAAG,KAAK,CAAC,WAAW,IAAI,cAAc,IAAI,KAAK,CAAC,SAAS,CAAC;gBAE3E,OAAO,IAAI,WAAW,CAAC;oBACrB,WAAW,EAAE,eAAe;oBAC5B,MAAM,EAAE,KAAK,CAAC,aAAa;oBAC3B,OAAO,EAAE,KAAK,CAAC,WAAW;oBAC1B,MAAM,QAAA;oBACN,aAAa,EAAE,iBAAiB;iBACjC,CAAC,CAAC;YACL,CAAC,CAAC;QAlBJ,CAkBI,CAAC;KACR;IAED,6BACK,KAAK,KACR,iBAAiB,mBAAA;QACjB,iBAAiB,mBAAA,EACjB,WAAW,EAAE,eAAe,EAC5B,MAAM,QAAA,IACN;AACJ,CAAC,CAAC;AAEF,IAAM,iBAAiB,GAAG,UAAI,KAAsB;IAClD,IAAI,OAAO,KAAK,KAAK,QAAQ,EAAE;QAC7B,IAAM,aAAW,GAAG,OAAO,CAAC,OAAO,CAAC,KAAK,CAAC,CAAC;QAC3C,OAAO,cAAM,OAAA,aAAW,EAAX,CAAW,CAAC;KAC1B;IACD,OAAO,KAAoB,CAAC;AAC9B,CAAC,CAAC;AAEF,IAAM,2BAA2B,GAAG,UAAC,WAAgD;IACnF,IAAI,OAAO,WAAW,KAAK,UAAU,EAAE;QACrC,OAAO,OAAO,CACZ,WAAW,EACX,UAAC,WAAW;YACV,OAAA,WAAW,CAAC,UAAU,KAAK,SAAS;gBACpC,WAAW,CAAC,UAAU,CAAC,OAAO,EAAE,GAAG,IAAI,CAAC,GAAG,EAAE,GAAG,wBAAwB;QADxE,CACwE,EAC1E,UAAC,WAAW,IAAK,OAAA,WAAW,CAAC,UAAU,KAAK,SAAS,EAApC,CAAoC,CACtD,CAAC;KACH;IACD,OAAO,iBAAiB,CAAC,WAAW,CAAC,CAAC;AACxC,CAAC,CAAC","sourcesContent":["import { memoize } from \"@aws-sdk/property-provider\";\nimport { SignatureV4 } from \"@aws-sdk/signature-v4\";\nimport { Credentials, HashConstructor, Provider, RegionInfo, RegionInfoProvider, RequestSigner } from \"@aws-sdk/types\";\n\n// 5 minutes buffer time the refresh the credential before it really expires\nconst CREDENTIAL_EXPIRE_WINDOW = 300000;\n\nexport interface AwsAuthInputConfig {\n  /**\n   * The credentials used to sign requests.\n   */\n  credentials?: Credentials | Provider<Credentials>;\n\n  /**\n   * The signer to use when signing requests.\n   */\n  signer?: RequestSigner | Provider<RequestSigner>;\n\n  /**\n   * Whether to escape request path when signing the request.\n   */\n  signingEscapePath?: boolean;\n\n  /**\n   * An offset value in milliseconds to apply to all signing times.\n   */\n  systemClockOffset?: number;\n\n  /**\n   * The region where you want to sign your request against. This\n   * can be different to the region in the endpoint.\n   */\n  signingRegion?: string;\n}\ninterface PreviouslyResolved {\n  credentialDefaultProvider: (input: any) => Provider<Credentials>;\n  region: string | Provider<string>;\n  regionInfoProvider: RegionInfoProvider;\n  signingName?: string;\n  serviceId: string;\n  sha256: HashConstructor;\n}\nexport interface AwsAuthResolvedConfig {\n  credentials: Provider<Credentials>;\n  signer: Provider<RequestSigner>;\n  signingEscapePath: boolean;\n  systemClockOffset: number;\n}\n\nexport const resolveAwsAuthConfig = <T>(\n  input: T & AwsAuthInputConfig & PreviouslyResolved\n): T & AwsAuthResolvedConfig => {\n  const normalizedCreds = input.credentials\n    ? normalizeCredentialProvider(input.credentials)\n    : input.credentialDefaultProvider(input as any);\n  const { signingEscapePath = true, systemClockOffset = input.systemClockOffset || 0, sha256 } = input;\n  let signer: Provider<RequestSigner>;\n  if (input.signer) {\n    //if signer is supplied by user, normalize it to a function returning a promise for signer.\n    signer = normalizeProvider(input.signer);\n  } else {\n    //construct a provider inferring signing from region.\n    signer = () =>\n      normalizeProvider(input.region)()\n        .then(async (region) => [(await input.regionInfoProvider(region)) || {}, region] as [RegionInfo, string])\n        .then(([regionInfo, region]) => {\n          const { signingRegion, signingService } = regionInfo;\n          //update client's singing region and signing service config if they are resolved.\n          //signing region resolving order: user supplied signingRegion -> endpoints.json inferred region -> client region\n          input.signingRegion = input.signingRegion || signingRegion || region;\n          //signing name resolving order:\n          //user supplied signingName -> endpoints.json inferred (credential scope -> model arnNamespace) -> model service id\n          input.signingName = input.signingName || signingService || input.serviceId;\n\n          return new SignatureV4({\n            credentials: normalizedCreds,\n            region: input.signingRegion,\n            service: input.signingName,\n            sha256,\n            uriEscapePath: signingEscapePath,\n          });\n        });\n  }\n\n  return {\n    ...input,\n    systemClockOffset,\n    signingEscapePath,\n    credentials: normalizedCreds,\n    signer,\n  };\n};\n\nconst normalizeProvider = <T>(input: T | Provider<T>): Provider<T> => {\n  if (typeof input === \"object\") {\n    const promisified = Promise.resolve(input);\n    return () => promisified;\n  }\n  return input as Provider<T>;\n};\n\nconst normalizeCredentialProvider = (credentials: Credentials | Provider<Credentials>): Provider<Credentials> => {\n  if (typeof credentials === \"function\") {\n    return memoize(\n      credentials,\n      (credentials) =>\n        credentials.expiration !== undefined &&\n        credentials.expiration.getTime() - Date.now() < CREDENTIAL_EXPIRE_WINDOW,\n      (credentials) => credentials.expiration !== undefined\n    );\n  }\n  return normalizeProvider(credentials);\n};\n"]}

package.json

 {
   "name": "@aws-sdk/middleware-signing",
-  "version": "3.6.1",
+  "version": "3.8.1",
   "scripts": {
@@ -27,2 +27,3 @@ "prepublishOnly": "yarn build:cjs && yarn build:es",
   "dependencies": {
+    "@aws-sdk/property-provider": "3.8.0",
     "@aws-sdk/protocol-http": "3.6.1",
@@ -29,0 +30,0 @@ "@aws-sdk/signature-v4": "3.6.1",

src/configurations.ts

@@ -0,4 +1,8 @@
+import { memoize } from "@aws-sdk/property-provider";
 import { SignatureV4 } from "@aws-sdk/signature-v4";
 import { Credentials, HashConstructor, Provider, RegionInfo, RegionInfoProvider, RequestSigner } from "@aws-sdk/types";
 
+// 5 minutes buffer time the refresh the credential before it really expires
+const CREDENTIAL_EXPIRE_WINDOW = 300000;
+
 export interface AwsAuthInputConfig {
@@ -45,5 +49,9 @@ /**
 }
-export function resolveAwsAuthConfig<T>(input: T & AwsAuthInputConfig & PreviouslyResolved): T & AwsAuthResolvedConfig {
-  const credentials = input.credentials || input.credentialDefaultProvider(input as any);
-  const normalizedCreds = normalizeProvider(credentials);
+
+export const resolveAwsAuthConfig = <T>(
+  input: T & AwsAuthInputConfig & PreviouslyResolved
+): T & AwsAuthResolvedConfig => {
+  const normalizedCreds = input.credentials
+    ? normalizeCredentialProvider(input.credentials)
+    : input.credentialDefaultProvider(input as any);
   const { signingEscapePath = true, systemClockOffset = input.systemClockOffset || 0, sha256 } = input;
@@ -85,5 +93,5 @@ let signer: Provider<RequestSigner>;
   };
-}
+};
 
-function normalizeProvider<T>(input: T | Provider<T>): Provider<T> {
+const normalizeProvider = <T>(input: T | Provider<T>): Provider<T> => {
   if (typeof input === "object") {
@@ -94,2 +102,15 @@ const promisified = Promise.resolve(input);
   return input as Provider<T>;
-}
+};
+
+const normalizeCredentialProvider = (credentials: Credentials | Provider<Credentials>): Provider<Credentials> => {
+  if (typeof credentials === "function") {
+    return memoize(
+      credentials,
+      (credentials) =>
+        credentials.expiration !== undefined &&
+        credentials.expiration.getTime() - Date.now() < CREDENTIAL_EXPIRE_WINDOW,
+      (credentials) => credentials.expiration !== undefined
+    );
+  }
+  return normalizeProvider(credentials);
+};

types/configurations.d.ts

@@ -39,3 +39,3 @@ import { Credentials, HashConstructor, Provider, RegionInfoProvider, RequestSigner } from "@aws-sdk/types";
 }
-export declare function resolveAwsAuthConfig<T>(input: T & AwsAuthInputConfig & PreviouslyResolved): T & AwsAuthResolvedConfig;
+export declare const resolveAwsAuthConfig: <T>(input: T & AwsAuthInputConfig & PreviouslyResolved) => T & AwsAuthResolvedConfig;
 export {};

types/ts3.4/configurations.d.ts

@@ -39,3 +39,3 @@ import { Credentials, HashConstructor, Provider, RegionInfoProvider, RequestSigner } from "@aws-sdk/types";
 }
-export declare function resolveAwsAuthConfig<T>(input: T & AwsAuthInputConfig & PreviouslyResolved): T & AwsAuthResolvedConfig;
+export declare const resolveAwsAuthConfig: <T>(input: T & AwsAuthInputConfig & PreviouslyResolved) => T & AwsAuthResolvedConfig;
 export {};

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

103350

increased by5.46%

Lines of code

511

increased by8.72%

Worsened metrics

Dependency count

5

increased by25%

Published versions last months

2

decreased by-33.33%

Dependency changes

• + Added@aws-sdk/property-provider@3.8.0

• + Added@aws-sdk/property-provider@3.8.0(transitive)