Built motion from commit 6a09e18b.|2.6.11

[motion2.git] / legacy-libs / google-auth-library / build / src / crypto / browser / crypto.js

diff --git a/legacy-libs/google-auth-library/build/src/crypto/browser/crypto.js b/legacy-libs/google-auth-library/build/src/crypto/browser/crypto.js
new file mode 100644 (file)
index 0000000..05fbbd3
--- /dev/null
+++ b/legacy-libs/google-auth-library/build/src/crypto/browser/crypto.js
@@ -0,0 +1,94 @@
+"use strict";
+/**
+ * Copyright 2019 Google LLC. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+// This file implements crypto functions we need using in-browser
+// SubtleCrypto interface `window.crypto.subtle`.
+const base64js = require("base64-js");
+const isbrowser_1 = require("../../isbrowser");
+// Not all browsers support `TextEncoder`. The following `require` will
+// provide a fast UTF8-only replacement for those browsers that don't support
+// text encoding natively.
+if (isbrowser_1.isBrowser() && typeof TextEncoder === 'undefined') {
+    require('fast-text-encoding');
+}
+class BrowserCrypto {
+    constructor() {
+        if (typeof (window) === 'undefined' || window.crypto === undefined ||
+            window.crypto.subtle === undefined) {
+            throw new Error('SubtleCrypto not found. Make sure it\'s an https:// website.');
+        }
+    }
+    sha256DigestBase64(str) {
+        return __awaiter(this, void 0, void 0, function* () {
+            // SubtleCrypto digest() method is async, so we must make
+            // this method async as well.
+            // To calculate SHA256 digest using SubtleCrypto, we first
+            // need to convert an input string to an ArrayBuffer:
+            const inputBuffer = new TextEncoder().encode(str);
+            // Result is ArrayBuffer as well.
+            const outputBuffer = yield window.crypto.subtle.digest('SHA-256', inputBuffer);
+            return base64js.fromByteArray(new Uint8Array(outputBuffer));
+        });
+    }
+    randomBytesBase64(count) {
+        const array = new Uint8Array(count);
+        window.crypto.getRandomValues(array);
+        return base64js.fromByteArray(array);
+    }
+    verify(pubkey, data, signature) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const algo = {
+                name: 'RSASSA-PKCS1-v1_5',
+                hash: { name: 'SHA-256' },
+            };
+            const dataArray = new TextEncoder().encode(data);
+            // base64js requires padding, so let's add some '='
+            while (signature.length % 4 !== 0) {
+                signature += '=';
+            }
+            const signatureArray = base64js.toByteArray(signature);
+            const cryptoKey = yield window.crypto.subtle.importKey('jwk', pubkey, algo, true, ['verify']);
+            // SubtleCrypto's verify method is async so we must make
+            // this method async as well.
+            const result = yield window.crypto.subtle.verify(algo, cryptoKey, signatureArray, dataArray);
+            return result;
+        });
+    }
+    createSign(algorithm) {
+        throw new Error('createSign is not implemented in BrowserCrypto');
+    }
+    decodeBase64StringUtf8(base64) {
+        const uint8array = base64js.toByteArray(base64);
+        const result = new TextDecoder().decode(uint8array);
+        return result;
+    }
+    encodeBase64StringUtf8(text) {
+        const uint8array = new TextEncoder().encode(text);
+        const result = base64js.fromByteArray(uint8array);
+        return result;
+    }
+}
+exports.BrowserCrypto = BrowserCrypto;
+//# sourceMappingURL=crypto.js.map
\ No newline at end of file