Implementation for chrome.certificateProvider.requestPin/stopPinRequest

chrome/test/data/extensions/api_test/certificate_provider/request_pin/basic.js

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// The script requests pin infinitely when the dialog is closed, and requests
+// the input again when the PIN is wrong till 3 times. When the correct
+// PIN (1234) is given, the script requests to close the dialog.
+function userInputCallback(codeValue) {
+  if(chrome.runtime.lastError != null) {
+    console.error("Error: " + chrome.runtime.lastError.message);
+    return;
+  }
+
+  if(attempts >= 3) {
+    console.info("Returning after maximum attempts exceeded");
+    return;
+  }
+
+  console.info("UserInput received, value = " + codeValue);
+  if (!codeValue || !codeValue.userInput) {
+    console.info("User closed the dialog");
+    chrome.certificateProvider.requestPin({signRequestId: 123},
+                                          userInputCallback);
+    return;
+  }
+
+  var success = (codeValue.userInput == "1234");  // validatePIN(codeValue);
+  if (success) {
+    console.info("Success");
+    chrome.certificateProvider.stopPinRequest({signRequestId: 123},
+                                              closeCallback);
+  } else {
+    attempts++;
+    console.info("Invalid PIN");
+    var code = attempts < 3 ?
+        {signRequestId: 123, errorType: "INVALID_PIN"} :
+        {signRequestId: 123, requestType: "PUK",
+         errorType: "MAX_ATTEMPTS_EXCEEDED",
+         attemptsLeft: 0};
+    chrome.certificateProvider.requestPin(code, userInputCallback);
+  }
+}
+
+function closeCallback() {
+  console.info("Close finished on Chrome side");
+  if(chrome.runtime.lastError != null) {
+    console.error("Error: " + chrome.runtime.lastError.message);
+    return;
+  }
+
+  // User authenticated.
+  console.info("Successfully authenticated!");
+}
+
+var attempts = 0;
+chrome.certificateProvider.requestPin({signRequestId: 123}, userInputCallback);