Merge pull request #40 from MasterKale/bugfix/utf8-challenge

bugfix/utf8-challenge

6 files changed, 569 insertions, 93 deletions

diff --git a/package-lock.json b/package-lock.json
index 7394d76..17460f5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2255,6 +2255,15 @@
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@@ -2615,9 +2616,9 @@
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@@ -4021,14 +4022,42 @@
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-        "whatwg-url": "^7.0.0"
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+        "whatwg-mimetype": "^2.3.0",
+        "whatwg-url": "^8.0.0"
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+          "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-8.1.0.tgz",
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@@ -4084,6 +4113,12 @@
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@@ -4238,12 +4273,20 @@
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+        "webidl-conversions": "^5.0.0"
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@@ -4401,9 +4444,9 @@
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@@ -6039,12 +6082,12 @@
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@@ -6666,6 +6709,12 @@
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@@ -7261,6 +7310,30 @@
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+            "chalk": "^4.0.0",
+            "graceful-fs": "^4.2.4",
+            "is-ci": "^2.0.0",
+            "micromatch": "^4.0.2"
+          }
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+          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-4.0.2.tgz",
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+          "dev": true,
+          "requires": {
+            "braces": "^3.0.1",
+            "picomatch": "^2.0.5"
+          }
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+        "slash": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
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+          "dev": true
+        },
+        "stack-utils": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/stack-utils/-/stack-utils-2.0.2.tgz",
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+          "dev": true,
+          "requires": {
+            "escape-string-regexp": "^2.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
+          "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        },
+        "to-regex-range": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
+          "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+          "dev": true,
+          "requires": {
+            "is-number": "^7.0.0"
+          }
+        }
       }
     },
     "jest-environment-node": {
@@ -8753,36 +9130,36 @@
       "dev": true
     },
     "jsdom": {
-      "version": "15.2.1",
-      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-15.2.1.tgz",
-      "integrity": "sha512-fAl1W0/7T2G5vURSyxBzrJ1LSdQn6Tr5UX/xD4PXDx/PDgwygedfW6El/KIj3xJ7FU61TTYnc/l/B7P49Eqt6g==",
-      "dev": true,
-      "requires": {
-        "abab": "^2.0.0",
-        "acorn": "^7.1.0",
-        "acorn-globals": "^4.3.2",
-        "array-equal": "^1.0.0",
-        "cssom": "^0.4.1",
-        "cssstyle": "^2.0.0",
-        "data-urls": "^1.1.0",
-        "domexception": "^1.0.1",
-        "escodegen": "^1.11.1",
-        "html-encoding-sniffer": "^1.0.2",
+      "version": "16.3.0",
+      "resolved": "https://registry.npmjs.org/jsdom/-/jsdom-16.3.0.tgz",
+      "integrity": "sha512-zggeX5UuEknpdZzv15+MS1dPYG0J/TftiiNunOeNxSl3qr8Z6cIlQpN0IdJa44z9aFxZRIVqRncvEhQ7X5DtZg==",
+      "dev": true,
+      "requires": {
+        "abab": "^2.0.3",
+        "acorn": "^7.1.1",
+        "acorn-globals": "^6.0.0",
+        "cssom": "^0.4.4",
+        "cssstyle": "^2.2.0",
+        "data-urls": "^2.0.0",
+        "decimal.js": "^10.2.0",
+        "domexception": "^2.0.1",
+        "escodegen": "^1.14.1",
+        "html-encoding-sniffer": "^2.0.1",
+        "is-potential-custom-element-name": "^1.0.0",
         "nwsapi": "^2.2.0",
-        "parse5": "5.1.0",
-        "pn": "^1.1.0",
-        "request": "^2.88.0",
-        "request-promise-native": "^1.0.7",
-        "saxes": "^3.1.9",
-        "symbol-tree": "^3.2.2",
+        "parse5": "5.1.1",
+        "request": "^2.88.2",
+        "request-promise-native": "^1.0.8",
+        "saxes": "^5.0.0",
+        "symbol-tree": "^3.2.4",
         "tough-cookie": "^3.0.1",
-        "w3c-hr-time": "^1.0.1",
-        "w3c-xmlserializer": "^1.1.2",
-        "webidl-conversions": "^4.0.2",
+        "w3c-hr-time": "^1.0.2",
+        "w3c-xmlserializer": "^2.0.0",
+        "webidl-conversions": "^6.1.0",
         "whatwg-encoding": "^1.0.5",
         "whatwg-mimetype": "^2.3.0",
-        "whatwg-url": "^7.0.0",
-        "ws": "^7.0.0",
+        "whatwg-url": "^8.0.0",
+        "ws": "^7.2.3",
         "xml-name-validator": "^3.0.0"
       },
       "dependencies": {
@@ -8796,6 +9173,40 @@
             "psl": "^1.1.28",
             "punycode": "^2.1.1"
           }
+        },
+        "tr46": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/tr46/-/tr46-2.0.2.tgz",
+          "integrity": "sha512-3n1qG+/5kg+jrbTzwAykB5yRYtQCTqOGKq5U5PE3b0a1/mzo6snDhjGS0zJVJunO0NrT3Dg1MLy5TjWP/UJppg==",
+          "dev": true,
+          "requires": {
+            "punycode": "^2.1.1"
+          }
+        },
+        "webidl-conversions": {
+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-6.1.0.tgz",
+          "integrity": "sha512-qBIvFLGiBpLjfwmYAaHPXsn+ho5xZnGvyGvsarywGNc8VyQJUMHJ8OBKGGrPER0okBeMDaan4mNBlgBROxuI8w==",
+          "dev": true
+        },
+        "whatwg-url": {
+          "version": "8.1.0",
+          "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-8.1.0.tgz",
+          "integrity": "sha512-vEIkwNi9Hqt4TV9RdnaBPNt+E2Sgmo3gePebCRgZ1R7g6d23+53zCTnuB0amKI4AXq6VM8jj2DUAa0S1vjJxkw==",
+          "dev": true,
+          "requires": {
+            "lodash.sortby": "^4.7.0",
+            "tr46": "^2.0.2",
+            "webidl-conversions": "^5.0.0"
+          },
+          "dependencies": {
+            "webidl-conversions": {
+              "version": "5.0.0",
+              "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-5.0.0.tgz",
+              "integrity": "sha512-VlZwKPCkYKxQgeSbH5EyngOmRp7Ww7I9rQLERETtf5ofd9pGeswWiOtogpEO850jziPRarreGxn5QIiTqpb2wA==",
+              "dev": true
+            }
+          }
         }
       }
     },
@@ -10743,9 +11154,9 @@
       }
     },
     "parse5": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.0.tgz",
-      "integrity": "sha512-fxNG2sQjHvlVAYmzBZS9YlDp6PTSSDwa98vkD4QgVDDCAo84z5X1t5XyJQ62ImdLXx5NdIIfihey6xpum9/gRQ==",
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.1.tgz",
+      "integrity": "sha512-ugq4DFI0Ptb+WWjAdOK16+u/nHfiIrcE+sh8kZMaM0WllQKLI9rOUq6c2b7cwPkXdzfQESqvoqK6ug7U/Yyzug==",
       "dev": true
     },
     "pascalcase": {
@@ -11327,21 +11738,29 @@
       }
     },
     "request-promise-core": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.3.tgz",
-      "integrity": "sha512-QIs2+ArIGQVp5ZYbWD5ZLCY29D5CfWizP8eWnm8FoGD1TX61veauETVQbrV60662V0oFBkrDOuaBI8XgtuyYAQ==",
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/request-promise-core/-/request-promise-core-1.1.4.tgz",
+      "integrity": "sha512-TTbAfBBRdWD7aNNOoVOBH4pN/KigV6LyapYNNlAPA8JwbovRti1E88m3sYAwsLi5ryhPKsE9APwnjFTgdUjTpw==",
       "dev": true,
       "requires": {
-        "lodash": "^4.17.15"
+        "lodash": "^4.17.19"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.19",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+          "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
+          "dev": true
+        }
       }
     },
     "request-promise-native": {
-      "version": "1.0.8",
-      "resolved": "https://registry.npmjs.org/request-promise-native/-/request-promise-native-1.0.8.tgz",
-      "integrity": "sha512-dapwLGqkHtwL5AEbfenuzjTYg35Jd6KPytsC2/TLkVMz8rm+tNt72MGUWT1RP/aYawMpN6HqbNGBQaRcBtjQMQ==",
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/request-promise-native/-/request-promise-native-1.0.9.tgz",
+      "integrity": "sha512-wcW+sIUiWnKgNY0dqCpOZkUbF/I+YPi+f09JZIDa39Ec+q82CpSYniDp+ISgTTbKmnpJWASeJBPZmoxH84wt3g==",
       "dev": true,
       "requires": {
-        "request-promise-core": "1.1.3",
+        "request-promise-core": "1.1.4",
         "stealthy-require": "^1.1.1",
         "tough-cookie": "^2.3.3"
       }
@@ -11517,12 +11936,12 @@
       }
     },
     "saxes": {
-      "version": "3.1.11",
-      "resolved": "https://registry.npmjs.org/saxes/-/saxes-3.1.11.tgz",
-      "integrity": "sha512-Ydydq3zC+WYDJK1+gRxRapLIED9PWeSuuS41wqyoRmzvhhh9nc+QQrVMKJYzJFULazeGhzSV0QleN2wD3boh2g==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/saxes/-/saxes-5.0.1.tgz",
+      "integrity": "sha512-5LBh1Tls8c9xgGjw3QrMwETmTMVk0oFgvrFSvWx62llR2hcEInrKNZ2GZCCuuy2lvWrdl5jhbpeqc5hRYKFOcw==",
       "dev": true,
       "requires": {
-        "xmlchars": "^2.1.1"
+        "xmlchars": "^2.2.0"
       }
     },
     "semver": {
@@ -12978,13 +13397,11 @@
       }
     },
     "w3c-xmlserializer": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-1.1.2.tgz",
-      "integrity": "sha512-p10l/ayESzrBMYWRID6xbuCKh2Fp77+sA0doRuGn4tTIMrrZVeqfpKjXHY+oDh3K4nLdPgNwMTVP6Vp4pvqbNg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-2.0.0.tgz",
+      "integrity": "sha512-4tzD0mF8iSiMiNs30BiLO3EpfGLZUT2MSX/G+o7ZywDzliWQ3OPtTZ0PTC3B3ca1UAf4cJMHB+2Bf56EriJuRA==",
       "dev": true,
       "requires": {
-        "domexception": "^1.0.1",
-        "webidl-conversions": "^4.0.2",
         "xml-name-validator": "^3.0.0"
       }
     },
@@ -13225,9 +13642,9 @@
       }
     },
     "ws": {
-      "version": "7.3.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.0.tgz",
-      "integrity": "sha512-iFtXzngZVXPGgpTlP1rBqsUK82p9tKqsWRPg5L56egiljujJT3vGAYnHANvFxBieXrTFavhzhxW52jnaWV+w2w==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.3.1.tgz",
+      "integrity": "sha512-D3RuNkynyHmEJIpD2qrgVkc9DQ23OrN/moAwZX4L8DfvszsJxpjQuUq3LMx6HoYji9fbIOBY18XWBsAux1ZZUA==",
       "dev": true
     },
     "xml-name-validator": {
diff --git a/package.json b/package.json
index 602fecb..1c3edd3 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,7 @@
     "eslint": "^7.1.0",
     "husky": "^4.2.5",
     "jest": "^25.1.0",
+    "jest-environment-jsdom": "^26.1.0",
     "lerna": "^3.21.0",
     "lint-staged": "^10.2.6",
     "prettier": "^2.0.5",
diff --git a/packages/browser/jest-environment.js b/packages/browser/jest-environment.js
new file mode 100644
index 0000000..c3a9135
--- /dev/null
+++ b/packages/browser/jest-environment.js
@@ -0,0 +1,22 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+const Environment = require('jest-environment-jsdom');
+
+/**
+ * Set up a custom JSDOM-based test environment for Jest so we can add things JSDOM doesn't support
+ */
+class CustomTestEnvironment extends Environment {
+  async setup() {
+    await super.setup();
+    /**
+     * JSDOM doesn't implement TextEncoder so we need to fake it with Node's
+     *
+     * Solved thanks to https://stackoverflow.com/a/57713960/2133271
+     */
+    if (typeof this.global.TextEncoder === 'undefined') {
+      const { TextEncoder } = require('util');
+      this.global.TextEncoder = TextEncoder;
+    }
+  }
+}
+
+module.exports = CustomTestEnvironment;
diff --git a/packages/browser/jest.config.js b/packages/browser/jest.config.js
index c934d3f..b9a5083 100644
--- a/packages/browser/jest.config.js
+++ b/packages/browser/jest.config.js
@@ -2,6 +2,6 @@ const rootConfig = require('../../jest.config');
 
 module.exports = {
   ...rootConfig,
-  testEnvironment: 'jsdom',
+  testEnvironment: '<rootDir>/jest-environment.js',
   setupFilesAfterEnv: ['<rootDir>/src/setupTests.ts'],
 };
diff --git a/packages/browser/src/helpers/toUint8Array.ts b/packages/browser/src/helpers/toUint8Array.ts
index ed4aa5d..1855dd7 100644
--- a/packages/browser/src/helpers/toUint8Array.ts
+++ b/packages/browser/src/helpers/toUint8Array.ts
@@ -1,7 +1,9 @@
+const utf8Encoder = new TextEncoder();
+
 /**
  * A helper method to convert an arbitrary string sent from the server to a Uint8Array the
  * authenticator will expect.
  */
 export default function toUint8Array(value: string): Uint8Array {
-  return Uint8Array.from(value, c => c.charCodeAt(0));
+  return utf8Encoder.encode(value);
 }
diff --git a/packages/browser/src/methods/startAssertion.test.ts b/packages/browser/src/methods/startAssertion.test.ts
index 669e8eb..e919d18 100644
--- a/packages/browser/src/methods/startAssertion.test.ts
+++ b/packages/browser/src/methods/startAssertion.test.ts
@@ -17,6 +17,7 @@ const mockClientDataJSON = 'mockClientDataJSON';
 const mockSignature = 'mockSignature';
 const mockUserHandle = 'mockUserHandle';
 
+// With ASCII challenge
 const goodOpts1: PublicKeyCredentialRequestOptionsJSON = {
   challenge: 'fizz',
   allowCredentials: [
@@ -29,6 +30,13 @@ const goodOpts1: PublicKeyCredentialRequestOptionsJSON = {
   timeout: 1,
 };
 
+// With UTF-8 challenge
+const goodOpts2UTF8: PublicKeyCredentialRequestOptionsJSON = {
+  challenge: 'やれやれだぜ',
+  allowCredentials: [],
+  timeout: 1,
+};
+
 beforeEach(() => {
   mockNavigatorGet.mockReset();
   mockSupportsWebauthn.mockReset();
@@ -120,3 +128,29 @@ test('should throw error if assertion is cancelled for some reason', async done
 
   done();
 });
+
+test('should handle UTF-8 challenges', async done => {
+  mockSupportsWebauthn.mockReturnValue(true);
+
+  // Stub out a response so the method won't throw
+  mockNavigatorGet.mockImplementation(
+    (): Promise<any> => {
+      return new Promise(resolve => {
+        resolve({
+          response: {},
+          getClientExtensionResults: () => ({}),
+        });
+      });
+    },
+  );
+
+  await startAssertion(goodOpts2UTF8);
+
+  const argsPublicKey = mockNavigatorGet.mock.calls[0][0].publicKey;
+
+  expect(JSON.stringify(argsPublicKey.challenge)).toEqual(
+    '{"0":227,"1":130,"2":132,"3":227,"4":130,"5":140,"6":227,"7":130,"8":132,"9":227,"10":130,"11":140,"12":227,"13":129,"14":160,"15":227,"16":129,"17":156}',
+  );
+
+  done();
+});