@aws-sdk/signature-v4 - npm Package Compare versions

Comparing version 1.0.0-gamma.5 to 1.0.0-gamma.6

dist/cjs/SignatureV4.js

@@ -23,16 +23,4 @@ "use strict";
         this.applyChecksum = typeof applyChecksum === "boolean" ? applyChecksum : true;
-        if (typeof region === "string") {
-            var promisified_1 = Promise.resolve(region);
-            this.regionProvider = function () { return promisified_1; };
-        }
-        else {
-            this.regionProvider = region;
-        }
-        if (typeof credentials === "object") {
-            var promisified_2 = Promise.resolve(credentials);
-            this.credentialProvider = function () { return promisified_2; };
-        }
-        else {
-            this.credentialProvider = credentials;
-        }
+        this.regionProvider = normalizeRegionProvider(region);
+        this.credentialProvider = normalizeCredentialsProvider(credentials);
     }
@@ -42,9 +30,19 @@ SignatureV4.prototype.presign = function (originalRequest, options) {
         return tslib_1.__awaiter(this, void 0, void 0, function () {
-            var _a, region, credentials, _b, signingDate, _c, expiresIn, unsignableHeaders, signableHeaders, _d, longDate, shortDate, scope, request, canonicalHeaders, _e, _f, _g, _h, _j, _k;
+            var _a, signingDate, _b, expiresIn, unsignableHeaders, signableHeaders, signingRegion, signingService, credentials, region, _c, _d, longDate, shortDate, scope, request, canonicalHeaders, _e, _f, _g, _h, _j, _k;
             return tslib_1.__generator(this, function (_l) {
                 switch (_l.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+                    case 0:
+                        _a = options.signingDate, signingDate = _a === void 0 ? new Date() : _a, _b = options.expiresIn, expiresIn = _b === void 0 ? 3600 : _b, unsignableHeaders = options.unsignableHeaders, signableHeaders = options.signableHeaders, signingRegion = options.signingRegion, signingService = options.signingService;
+                        return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _a = tslib_1.__read.apply(void 0, [_l.sent(), 2]), region = _a[0], credentials = _a[1];
-                        _b = options.signingDate, signingDate = _b === void 0 ? new Date() : _b, _c = options.expiresIn, expiresIn = _c === void 0 ? 3600 : _c, unsignableHeaders = options.unsignableHeaders, signableHeaders = options.signableHeaders;
+                        credentials = _l.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _c = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _c = (_l.sent());
+                        _l.label = 4;
+                    case 4:
+                        region = _c;
                         _d = formatDate(signingDate), longDate = _d.longDate, shortDate = _d.shortDate;
@@ -54,3 +52,3 @@ if (expiresIn > constants_1.MAX_PRESIGNED_TTL) {
                         }
-                        scope = credentialDerivation_1.createScope(shortDate, region, this.service);
+                        scope = credentialDerivation_1.createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         request = moveHeadersToQuery_1.moveHeadersToQuery(prepareRequest_1.prepareRequest(originalRequest));
@@ -71,8 +69,8 @@ if (credentials.sessionToken) {
                             scope,
-                            this.getSigningKey(credentials, region, shortDate)];
+                            this.getSigningKey(credentials, region, shortDate, signingService)];
                         _j = this.createCanonicalRequest;
                         _k = [request, canonicalHeaders];
                         return [4 /*yield*/, getPayloadHash_1.getPayloadHash(originalRequest, this.sha256)];
-                    case 2: return [4 /*yield*/, _g.apply(this, _h.concat([_j.apply(this, _k.concat([_l.sent()]))]))];
-                    case 3:
+                    case 5: return [4 /*yield*/, _g.apply(this, _h.concat([_j.apply(this, _k.concat([_l.sent()]))]))];
+                    case 6:
                         _e[_f] = _l.sent();
@@ -102,14 +100,21 @@ return [2 /*return*/, request];
         var headers = _a.headers, payload = _a.payload;
-        var _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, priorSignature = _b.priorSignature;
+        var _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, priorSignature = _b.priorSignature, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return tslib_1.__awaiter(this, void 0, void 0, function () {
-            var _d, region, _e, shortDate, longDate, scope, hashedPayload, hash, hashedHeaders, _f, stringToSign;
+            var region, _d, _e, shortDate, longDate, scope, hashedPayload, hash, hashedHeaders, _f, stringToSign;
             return tslib_1.__generator(this, function (_g) {
                 switch (_g.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
-                    case 1:
-                        _d = tslib_1.__read.apply(void 0, [_g.sent(), 1]), region = _d[0];
+                    case 0:
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 1];
+                        _d = signingRegion;
+                        return [3 /*break*/, 3];
+                    case 1: return [4 /*yield*/, this.regionProvider()];
+                    case 2:
+                        _d = (_g.sent());
+                        _g.label = 3;
+                    case 3:
+                        region = _d;
                         _e = formatDate(signingDate), shortDate = _e.shortDate, longDate = _e.longDate;
-                        scope = credentialDerivation_1.createScope(shortDate, region, this.service);
+                        scope = credentialDerivation_1.createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         return [4 /*yield*/, getPayloadHash_1.getPayloadHash({ headers: {}, body: payload }, this.sha256)];
-                    case 2:
+                    case 4:
                         hashedPayload = _g.sent();
@@ -120,3 +125,3 @@ hash = new this.sha256();
                         return [4 /*yield*/, hash.digest()];
-                    case 3:
+                    case 5:
                         hashedHeaders = _f.apply(void 0, [_g.sent()]);
@@ -131,3 +136,3 @@ stringToSign = [
                         ].join("\n");
-                        return [2 /*return*/, this.signString(stringToSign, { signingDate: signingDate })];
+                        return [2 /*return*/, this.signString(stringToSign, { signingDate: signingDate, signingRegion: region, signingService: signingService })];
                 }
@@ -138,19 +143,28 @@ });
     SignatureV4.prototype.signString = function (stringToSign, _a) {
-        var _b = (_a === void 0 ? {} : _a).signingDate, signingDate = _b === void 0 ? new Date() : _b;
+        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return tslib_1.__awaiter(this, void 0, void 0, function () {
-            var _c, region, credentials, shortDate, hash, _d, _e, _f;
-            return tslib_1.__generator(this, function (_g) {
-                switch (_g.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+            var credentials, region, _d, shortDate, hash, _e, _f, _g;
+            return tslib_1.__generator(this, function (_h) {
+                switch (_h.label) {
+                    case 0: return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _c = tslib_1.__read.apply(void 0, [_g.sent(), 2]), region = _c[0], credentials = _c[1];
+                        credentials = _h.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _d = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _d = (_h.sent());
+                        _h.label = 4;
+                    case 4:
+                        region = _d;
                         shortDate = formatDate(signingDate).shortDate;
-                        _e = (_d = this.sha256).bind;
-                        return [4 /*yield*/, this.getSigningKey(credentials, region, shortDate)];
-                    case 2:
-                        hash = new (_e.apply(_d, [void 0, _g.sent()]))();
+                        _f = (_e = this.sha256).bind;
+                        return [4 /*yield*/, this.getSigningKey(credentials, region, shortDate, signingService)];
+                    case 5:
+                        hash = new (_f.apply(_e, [void 0, _h.sent()]))();
                         hash.update(stringToSign);
-                        _f = util_hex_encoding_1.toHex;
+                        _g = util_hex_encoding_1.toHex;
                         return [4 /*yield*/, hash.digest()];
-                    case 3: return [2 /*return*/, _f.apply(void 0, [_g.sent()])];
+                    case 6: return [2 /*return*/, _g.apply(void 0, [_h.sent()])];
                 }
@@ -161,13 +175,22 @@ });
     SignatureV4.prototype.signRequest = function (requestToSign, _a) {
-        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signableHeaders = _b.signableHeaders, unsignableHeaders = _b.unsignableHeaders;
+        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signableHeaders = _b.signableHeaders, unsignableHeaders = _b.unsignableHeaders, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return tslib_1.__awaiter(this, void 0, void 0, function () {
-            var _d, region, credentials, request, _e, longDate, shortDate, scope, payloadHash, canonicalHeaders, signature;
+            var credentials, region, _d, request, _e, longDate, shortDate, scope, payloadHash, canonicalHeaders, signature;
             return tslib_1.__generator(this, function (_f) {
                 switch (_f.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+                    case 0: return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _d = tslib_1.__read.apply(void 0, [_f.sent(), 2]), region = _d[0], credentials = _d[1];
+                        credentials = _f.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _d = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _d = (_f.sent());
+                        _f.label = 4;
+                    case 4:
+                        region = _d;
                         request = prepareRequest_1.prepareRequest(requestToSign);
                         _e = formatDate(signingDate), longDate = _e.longDate, shortDate = _e.shortDate;
-                        scope = credentialDerivation_1.createScope(shortDate, region, this.service);
+                        scope = credentialDerivation_1.createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         request.headers[constants_1.AMZ_DATE_HEADER] = longDate;
@@ -178,3 +201,3 @@ if (credentials.sessionToken) {
                         return [4 /*yield*/, getPayloadHash_1.getPayloadHash(request, this.sha256)];
-                    case 2:
+                    case 5:
                         payloadHash = _f.sent();
@@ -185,4 +208,4 @@ if (!hasHeader_1.hasHeader(constants_1.SHA256_HEADER, request.headers) && this.applyChecksum) {
                         canonicalHeaders = getCanonicalHeaders_1.getCanonicalHeaders(request, unsignableHeaders, signableHeaders);
-                        return [4 /*yield*/, this.getSignature(longDate, scope, this.getSigningKey(credentials, region, shortDate), this.createCanonicalRequest(request, canonicalHeaders, payloadHash))];
-                    case 3:
+                        return [4 /*yield*/, this.getSignature(longDate, scope, this.getSigningKey(credentials, region, shortDate, signingService), this.createCanonicalRequest(request, canonicalHeaders, payloadHash))];
+                    case 6:
                         signature = _f.sent();
@@ -247,4 +270,4 @@ request.headers[constants_1.AUTH_HEADER] =
     };
-    SignatureV4.prototype.getSigningKey = function (credentials, region, shortDate) {
-        return credentialDerivation_1.getSigningKey(this.sha256, credentials, shortDate, region, this.service);
+    SignatureV4.prototype.getSigningKey = function (credentials, region, shortDate, service) {
+        return credentialDerivation_1.getSigningKey(this.sha256, credentials, shortDate, region, service || this.service);
     };
@@ -254,3 +277,3 @@ return SignatureV4;
 exports.SignatureV4 = SignatureV4;
-function formatDate(now) {
+var formatDate = function (now) {
     var longDate = utilDate_1.iso8601(now).replace(/[\-:]/g, "");
@@ -261,6 +284,22 @@ return {
     };
-}
-function getCanonicalHeaderList(headers) {
-    return Object.keys(headers).sort().join(";");
-}
+};
+var getCanonicalHeaderList = function (headers) { return Object.keys(headers).sort().join(";"); };
+var normalizeRegionProvider = function (region) {
+    if (typeof region === "string") {
+        var promisified_1 = Promise.resolve(region);
+        return function () { return promisified_1; };
+    }
+    else {
+        return region;
+    }
+};
+var normalizeCredentialsProvider = function (credentials) {
+    if (typeof credentials === "object") {
+        var promisified_2 = Promise.resolve(credentials);
+        return function () { return promisified_2; };
+    }
+    else {
+        return credentials;
+    }
+};
 //# sourceMappingURL=SignatureV4.js.map

dist/es/SignatureV4.js

@@ -1,2 +0,2 @@
-import { __awaiter, __generator, __read } from "tslib";
+import { __awaiter, __generator } from "tslib";
 import { toHex } from "@aws-sdk/util-hex-encoding";
@@ -20,16 +20,4 @@ import { ALGORITHM_IDENTIFIER, ALGORITHM_QUERY_PARAM, AMZ_DATE_HEADER, AMZ_DATE_QUERY_PARAM, AUTH_HEADER, CREDENTIAL_QUERY_PARAM, EVENT_ALGORITHM_IDENTIFIER, EXPIRES_QUERY_PARAM, MAX_PRESIGNED_TTL, SHA256_HEADER, SIGNATURE_QUERY_PARAM, SIGNED_HEADERS_QUERY_PARAM, TOKEN_HEADER, TOKEN_QUERY_PARAM, } from "./constants";
         this.applyChecksum = typeof applyChecksum === "boolean" ? applyChecksum : true;
-        if (typeof region === "string") {
-            var promisified_1 = Promise.resolve(region);
-            this.regionProvider = function () { return promisified_1; };
-        }
-        else {
-            this.regionProvider = region;
-        }
-        if (typeof credentials === "object") {
-            var promisified_2 = Promise.resolve(credentials);
-            this.credentialProvider = function () { return promisified_2; };
-        }
-        else {
-            this.credentialProvider = credentials;
-        }
+        this.regionProvider = normalizeRegionProvider(region);
+        this.credentialProvider = normalizeCredentialsProvider(credentials);
     }
@@ -39,9 +27,19 @@ SignatureV4.prototype.presign = function (originalRequest, options) {
         return __awaiter(this, void 0, void 0, function () {
-            var _a, region, credentials, _b, signingDate, _c, expiresIn, unsignableHeaders, signableHeaders, _d, longDate, shortDate, scope, request, canonicalHeaders, _e, _f, _g, _h, _j, _k;
+            var _a, signingDate, _b, expiresIn, unsignableHeaders, signableHeaders, signingRegion, signingService, credentials, region, _c, _d, longDate, shortDate, scope, request, canonicalHeaders, _e, _f, _g, _h, _j, _k;
             return __generator(this, function (_l) {
                 switch (_l.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+                    case 0:
+                        _a = options.signingDate, signingDate = _a === void 0 ? new Date() : _a, _b = options.expiresIn, expiresIn = _b === void 0 ? 3600 : _b, unsignableHeaders = options.unsignableHeaders, signableHeaders = options.signableHeaders, signingRegion = options.signingRegion, signingService = options.signingService;
+                        return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _a = __read.apply(void 0, [_l.sent(), 2]), region = _a[0], credentials = _a[1];
-                        _b = options.signingDate, signingDate = _b === void 0 ? new Date() : _b, _c = options.expiresIn, expiresIn = _c === void 0 ? 3600 : _c, unsignableHeaders = options.unsignableHeaders, signableHeaders = options.signableHeaders;
+                        credentials = _l.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _c = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _c = (_l.sent());
+                        _l.label = 4;
+                    case 4:
+                        region = _c;
                         _d = formatDate(signingDate), longDate = _d.longDate, shortDate = _d.shortDate;
@@ -51,3 +49,3 @@ if (expiresIn > MAX_PRESIGNED_TTL) {
                         }
-                        scope = createScope(shortDate, region, this.service);
+                        scope = createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         request = moveHeadersToQuery(prepareRequest(originalRequest));
@@ -68,8 +66,8 @@ if (credentials.sessionToken) {
                             scope,
-                            this.getSigningKey(credentials, region, shortDate)];
+                            this.getSigningKey(credentials, region, shortDate, signingService)];
                         _j = this.createCanonicalRequest;
                         _k = [request, canonicalHeaders];
                         return [4 /*yield*/, getPayloadHash(originalRequest, this.sha256)];
-                    case 2: return [4 /*yield*/, _g.apply(this, _h.concat([_j.apply(this, _k.concat([_l.sent()]))]))];
-                    case 3:
+                    case 5: return [4 /*yield*/, _g.apply(this, _h.concat([_j.apply(this, _k.concat([_l.sent()]))]))];
+                    case 6:
                         _e[_f] = _l.sent();
@@ -99,14 +97,21 @@ return [2 /*return*/, request];
         var headers = _a.headers, payload = _a.payload;
-        var _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, priorSignature = _b.priorSignature;
+        var _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, priorSignature = _b.priorSignature, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return __awaiter(this, void 0, void 0, function () {
-            var _d, region, _e, shortDate, longDate, scope, hashedPayload, hash, hashedHeaders, _f, stringToSign;
+            var region, _d, _e, shortDate, longDate, scope, hashedPayload, hash, hashedHeaders, _f, stringToSign;
             return __generator(this, function (_g) {
                 switch (_g.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
-                    case 1:
-                        _d = __read.apply(void 0, [_g.sent(), 1]), region = _d[0];
+                    case 0:
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 1];
+                        _d = signingRegion;
+                        return [3 /*break*/, 3];
+                    case 1: return [4 /*yield*/, this.regionProvider()];
+                    case 2:
+                        _d = (_g.sent());
+                        _g.label = 3;
+                    case 3:
+                        region = _d;
                         _e = formatDate(signingDate), shortDate = _e.shortDate, longDate = _e.longDate;
-                        scope = createScope(shortDate, region, this.service);
+                        scope = createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         return [4 /*yield*/, getPayloadHash({ headers: {}, body: payload }, this.sha256)];
-                    case 2:
+                    case 4:
                         hashedPayload = _g.sent();
@@ -117,3 +122,3 @@ hash = new this.sha256();
                         return [4 /*yield*/, hash.digest()];
-                    case 3:
+                    case 5:
                         hashedHeaders = _f.apply(void 0, [_g.sent()]);
@@ -128,3 +133,3 @@ stringToSign = [
                         ].join("\n");
-                        return [2 /*return*/, this.signString(stringToSign, { signingDate: signingDate })];
+                        return [2 /*return*/, this.signString(stringToSign, { signingDate: signingDate, signingRegion: region, signingService: signingService })];
                 }
@@ -135,19 +140,28 @@ });
     SignatureV4.prototype.signString = function (stringToSign, _a) {
-        var _b = (_a === void 0 ? {} : _a).signingDate, signingDate = _b === void 0 ? new Date() : _b;
+        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return __awaiter(this, void 0, void 0, function () {
-            var _c, region, credentials, shortDate, hash, _d, _e, _f;
-            return __generator(this, function (_g) {
-                switch (_g.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+            var credentials, region, _d, shortDate, hash, _e, _f, _g;
+            return __generator(this, function (_h) {
+                switch (_h.label) {
+                    case 0: return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _c = __read.apply(void 0, [_g.sent(), 2]), region = _c[0], credentials = _c[1];
+                        credentials = _h.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _d = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _d = (_h.sent());
+                        _h.label = 4;
+                    case 4:
+                        region = _d;
                         shortDate = formatDate(signingDate).shortDate;
-                        _e = (_d = this.sha256).bind;
-                        return [4 /*yield*/, this.getSigningKey(credentials, region, shortDate)];
-                    case 2:
-                        hash = new (_e.apply(_d, [void 0, _g.sent()]))();
+                        _f = (_e = this.sha256).bind;
+                        return [4 /*yield*/, this.getSigningKey(credentials, region, shortDate, signingService)];
+                    case 5:
+                        hash = new (_f.apply(_e, [void 0, _h.sent()]))();
                         hash.update(stringToSign);
-                        _f = toHex;
+                        _g = toHex;
                         return [4 /*yield*/, hash.digest()];
-                    case 3: return [2 /*return*/, _f.apply(void 0, [_g.sent()])];
+                    case 6: return [2 /*return*/, _g.apply(void 0, [_h.sent()])];
                 }
@@ -158,13 +172,22 @@ });
     SignatureV4.prototype.signRequest = function (requestToSign, _a) {
-        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signableHeaders = _b.signableHeaders, unsignableHeaders = _b.unsignableHeaders;
+        var _b = _a === void 0 ? {} : _a, _c = _b.signingDate, signingDate = _c === void 0 ? new Date() : _c, signableHeaders = _b.signableHeaders, unsignableHeaders = _b.unsignableHeaders, signingRegion = _b.signingRegion, signingService = _b.signingService;
         return __awaiter(this, void 0, void 0, function () {
-            var _d, region, credentials, request, _e, longDate, shortDate, scope, payloadHash, canonicalHeaders, signature;
+            var credentials, region, _d, request, _e, longDate, shortDate, scope, payloadHash, canonicalHeaders, signature;
             return __generator(this, function (_f) {
                 switch (_f.label) {
-                    case 0: return [4 /*yield*/, Promise.all([this.regionProvider(), this.credentialProvider()])];
+                    case 0: return [4 /*yield*/, this.credentialProvider()];
                     case 1:
-                        _d = __read.apply(void 0, [_f.sent(), 2]), region = _d[0], credentials = _d[1];
+                        credentials = _f.sent();
+                        if (!(signingRegion !== null && signingRegion !== void 0)) return [3 /*break*/, 2];
+                        _d = signingRegion;
+                        return [3 /*break*/, 4];
+                    case 2: return [4 /*yield*/, this.regionProvider()];
+                    case 3:
+                        _d = (_f.sent());
+                        _f.label = 4;
+                    case 4:
+                        region = _d;
                         request = prepareRequest(requestToSign);
                         _e = formatDate(signingDate), longDate = _e.longDate, shortDate = _e.shortDate;
-                        scope = createScope(shortDate, region, this.service);
+                        scope = createScope(shortDate, region, signingService !== null && signingService !== void 0 ? signingService : this.service);
                         request.headers[AMZ_DATE_HEADER] = longDate;
@@ -175,3 +198,3 @@ if (credentials.sessionToken) {
                         return [4 /*yield*/, getPayloadHash(request, this.sha256)];
-                    case 2:
+                    case 5:
                         payloadHash = _f.sent();
@@ -182,4 +205,4 @@ if (!hasHeader(SHA256_HEADER, request.headers) && this.applyChecksum) {
                         canonicalHeaders = getCanonicalHeaders(request, unsignableHeaders, signableHeaders);
-                        return [4 /*yield*/, this.getSignature(longDate, scope, this.getSigningKey(credentials, region, shortDate), this.createCanonicalRequest(request, canonicalHeaders, payloadHash))];
-                    case 3:
+                        return [4 /*yield*/, this.getSignature(longDate, scope, this.getSigningKey(credentials, region, shortDate, signingService), this.createCanonicalRequest(request, canonicalHeaders, payloadHash))];
+                    case 6:
                         signature = _f.sent();
@@ -244,4 +267,4 @@ request.headers[AUTH_HEADER] =
     };
-    SignatureV4.prototype.getSigningKey = function (credentials, region, shortDate) {
-        return getSigningKey(this.sha256, credentials, shortDate, region, this.service);
+    SignatureV4.prototype.getSigningKey = function (credentials, region, shortDate, service) {
+        return getSigningKey(this.sha256, credentials, shortDate, region, service || this.service);
     };
@@ -251,3 +274,3 @@ return SignatureV4;
 export { SignatureV4 };
-function formatDate(now) {
+var formatDate = function (now) {
     var longDate = iso8601(now).replace(/[\-:]/g, "");
@@ -258,6 +281,22 @@ return {
     };
-}
-function getCanonicalHeaderList(headers) {
-    return Object.keys(headers).sort().join(";");
-}
+};
+var getCanonicalHeaderList = function (headers) { return Object.keys(headers).sort().join(";"); };
+var normalizeRegionProvider = function (region) {
+    if (typeof region === "string") {
+        var promisified_1 = Promise.resolve(region);
+        return function () { return promisified_1; };
+    }
+    else {
+        return region;
+    }
+};
+var normalizeCredentialsProvider = function (credentials) {
+    if (typeof credentials === "object") {
+        var promisified_2 = Promise.resolve(credentials);
+        return function () { return promisified_2; };
+    }
+    else {
+        return credentials;
+    }
+};
 //# sourceMappingURL=SignatureV4.js.map

package.json

 {
   "name": "@aws-sdk/signature-v4",
-  "version": "1.0.0-gamma.5",
+  "version": "1.0.0-gamma.6",
   "description": "A standalone implementation of the AWS Signature V4 request signing algorithm",
@@ -22,6 +22,6 @@ "main": "./dist/cjs/index.js",
   "dependencies": {
-    "@aws-sdk/is-array-buffer": "1.0.0-gamma.5",
-    "@aws-sdk/types": "1.0.0-gamma.4",
-    "@aws-sdk/util-hex-encoding": "1.0.0-gamma.5",
-    "@aws-sdk/util-uri-escape": "1.0.0-gamma.5",
+    "@aws-sdk/is-array-buffer": "1.0.0-gamma.6",
+    "@aws-sdk/types": "1.0.0-gamma.5",
+    "@aws-sdk/util-hex-encoding": "1.0.0-gamma.6",
+    "@aws-sdk/util-uri-escape": "1.0.0-gamma.6",
     "tslib": "^1.8.0"
@@ -31,8 +31,8 @@ },
     "@aws-crypto/sha256-js": "^1.0.0-alpha.0",
-    "@aws-sdk/protocol-http": "1.0.0-gamma.5",
-    "@aws-sdk/util-buffer-from": "1.0.0-gamma.5",
+    "@aws-sdk/protocol-http": "1.0.0-gamma.6",
+    "@aws-sdk/util-buffer-from": "1.0.0-gamma.6",
     "@types/jest": "^26.0.4",
     "jest": "^26.1.0",
-    "typescript": "~3.9.3"
+    "typescript": "~4.0.2"
   }
 }

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Improved metrics

Total package byte prevSize

236996

increased by2.52%

Lines of code

2481

increased by3.33%

Dependency changes

• + Added@aws-sdk/is-array-buffer@1.0.0-gamma.6(transitive)

• + Added@aws-sdk/types@1.0.0-gamma.5(transitive)

• + Added@aws-sdk/util-hex-encoding@1.0.0-gamma.6(transitive)

• + Added@aws-sdk/util-uri-escape@1.0.0-gamma.6(transitive)

• - Removed@aws-sdk/is-array-buffer@1.0.0-gamma.5(transitive)

• - Removed@aws-sdk/types@1.0.0-gamma.4(transitive)

• - Removed@aws-sdk/util-hex-encoding@1.0.0-gamma.5(transitive)

• - Removed@aws-sdk/util-uri-escape@1.0.0-gamma.5(transitive)

• Updated@aws-sdk/is-array-buffer@1.0.0-gamma.6

• Updated@aws-sdk/types@1.0.0-gamma.5

• Updated@aws-sdk/util-hex-encoding@1.0.0-gamma.6

• Updated@aws-sdk/util-uri-escape@1.0.0-gamma.6