Update password reset handler to handle password policy error

javascript/widgets/handler/actioncode.js

@@ -129,27 +129,36 @@ firebaseui.auth.widget.handler.resetPassword_ = function(
  */
 firebaseui.auth.widget.handler.handlePasswordResetFailure_ = function(
     app, container, opt_component, opt_error) {
-  var errorCode = opt_error && opt_error['code'];
-  if (errorCode == 'auth/weak-password') {
+  const errorCode = opt_error && opt_error['code'];
+  if (errorCode === 'auth/weak-password') {
     // Handles this error differently as it just requires to display a message
     // to the user to use a longer password.
-    var errorMessage =
+    const errorMessage =
         firebaseui.auth.widget.handler.common.getErrorMessage(opt_error);
     firebaseui.auth.ui.element.setValid(
         opt_component.getNewPasswordElement(), false);
     firebaseui.auth.ui.element.show(
         opt_component.getNewPasswordErrorElement(), errorMessage);
     opt_component.getNewPasswordElement().focus();
-    return;
-  }
-
-  if (opt_component) {
-    opt_component.dispose();
+  } else if (errorCode === 'auth/password-does-not-meet-requirements') {
+    // Pass the error message from the backend which contains all the password
+    // requirements to be met.
+    const errorMessage =
+        firebaseui.auth.widget.handler.common.getErrorMessage(opt_error);
+    firebaseui.auth.ui.element.setValid(
+        opt_component.getNewPasswordElement(), false);
+    firebaseui.auth.ui.element.show(
+        opt_component.getNewPasswordErrorElement(), errorMessage);
+    opt_component.getNewPasswordElement().focus();
+  } else {
+    if (opt_component) {
+      opt_component.dispose();
+    }
+    var component = new firebaseui.auth.ui.page.PasswordResetFailure();
+    component.render(container);
+    // Set current UI component.
+    app.setCurrentComponent(component);
   }
-  var component = new firebaseui.auth.ui.page.PasswordResetFailure();
-  component.render(container);
-  // Set current UI component.
-  app.setCurrentComponent(component);
 };
 
 

javascript/widgets/handler/actioncode_test.js

@@ -201,6 +201,79 @@ function testHandlePasswordReset_weakPasswordError() {
 }
 
 
+function testHandlePasswordReset_nonCompliantPasswordError() {
+  const errorMessage = 'Missing password requirements: [Password may contain at most 16 characters, Password must contain a lower case character, Password must contain an upper case character, Password must contain a numeric character, Password must contain a non-alphanumeric character]';
+  const error = {
+    'code': 'auth/password-does-not-meet-requirements',
+    'message': errorMessage
+  };
+  asyncTestCase.waitForSignals(1);
+  firebaseui.auth.widget.handler.handlePasswordReset(
+      app, container, 'PASSWORD_RESET_ACTION_CODE');
+  // Successful action code verification.
+  app.getAuth().assertVerifyPasswordResetCode(
+      ['PASSWORD_RESET_ACTION_CODE'], '[email protected]');
+  app.getAuth()
+      .process()
+      .then(function() {
+        // Password reset page should show.
+        assertPasswordResetPage();
+
+        goog.dom.forms.setValue(getNewPasswordElement(), '123');
+        // Submit password reset form.
+        submitForm();
+        // Simulates password doesn't meet requirements.
+        app.getAuth().assertConfirmPasswordReset(
+            ['PASSWORD_RESET_ACTION_CODE', '123'], null, error);
+        return app.getAuth().process();
+      })
+      .then(function() {
+        // Error message should be shown on the same page.
+        assertPasswordResetPage();
+        assertEquals(
+            firebaseui.auth.widget.handler.common.getErrorMessage(error),
+            getNewPasswordErrorMessage());
+        asyncTestCase.signal();
+      });
+}
+
+
+function testHandlePasswordReset_nonCompliantPassword_emptyError() {
+  const error = {
+    'code': 'auth/password-does-not-meet-requirements',
+    'message': ''
+  };
+  asyncTestCase.waitForSignals(1);
+  firebaseui.auth.widget.handler.handlePasswordReset(
+      app, container, 'PASSWORD_RESET_ACTION_CODE');
+  // Successful action code verification.
+  app.getAuth().assertVerifyPasswordResetCode(
+      ['PASSWORD_RESET_ACTION_CODE'], '[email protected]');
+  app.getAuth()
+      .process()
+      .then(function() {
+        // Password reset page should show.
+        assertPasswordResetPage();
+
+        goog.dom.forms.setValue(getNewPasswordElement(), '123');
+        // Submit password reset form.
+        submitForm();
+        // Simulates password doesn't meet requirements.
+        app.getAuth().assertConfirmPasswordReset(
+            ['PASSWORD_RESET_ACTION_CODE', '123'], null, error);
+        return app.getAuth().process();
+      })
+      .then(function() {
+        // Error message should be shown on the same page.
+        assertPasswordResetPage();
+        assertEquals(
+            firebaseui.auth.widget.handler.common.getErrorMessage(error),
+            getNewPasswordErrorMessage());
+        asyncTestCase.signal();
+      });
+}
+
+
 function testHandlePasswordReset_failToResetPassword() {
   asyncTestCase.waitForSignals(1);
   firebaseui.auth.widget.handler.handlePasswordReset(

javascript/widgets/handler/common.js

@@ -383,6 +383,69 @@ firebaseui.auth.widget.handler.common.getSignedInRedirectUrl_ =
  * @package
  */
 firebaseui.auth.widget.handler.common.getErrorMessage = function(error) {
+  // Password policy error message varies depending on the policy violations.
+  // Hence, we construct an error message from the strings file based on the
+  // error message from the backend.
+  if (error['code'] &&
+      error['code'] == 'auth/password-does-not-meet-requirements') {
+    const originalError = error['message'];
+    let minPasswordLength = '';
+    let maxPasswordLength = '';
+    let passwordNotMeetMinLength = false;
+    let passwordNotMeetMaxLength = false;
+    let passwordNotContainLowercaseLetter = false;
+    let passwordNotContainUppercaseLetter = false;
+    let passwordNotContainNumericCharacter = false;
+    let passwordNotContainNonAlphanumericCharacter = false;
+
+    const minLengthErrorMatch =
+        originalError.match(/Password must contain at least (\d+)/);
+    if (minLengthErrorMatch) {
+      passwordNotMeetMinLength = true;
+      minPasswordLength = minLengthErrorMatch[1];
+    }
+    const maxLengthErrorMatch =
+        originalError.match(/Password may contain at most (\d+)/);
+    if (maxLengthErrorMatch) {
+      passwordNotMeetMaxLength = true;
+      maxPasswordLength = maxLengthErrorMatch[1];
+    }
+    // This needs to be hardcoded. Checking against
+    // "firebaseui.auth.soy2.strings.errorPasswordNotContainLowercaseLetter().toString()"
+    // will return a translated string, while originalError is always in
+    // English.
+    if (originalError.includes(
+      'Password must contain a lower case character')) {
+      passwordNotContainLowercaseLetter = true;
+    }
+    if (originalError.includes(
+      'Password must contain an upper case character')) {
+      passwordNotContainUppercaseLetter = true;
+    }
+    if (originalError.includes('Password must contain a numeric character')) {
+      passwordNotContainNumericCharacter = true;
+    }
+    if (originalError.includes(
+      'Password must contain a non-alphanumeric character')) {
+      passwordNotContainNonAlphanumericCharacter = true;
+    }
+
+    return firebaseui.auth.soy2.strings
+        .errorMissingPasswordRequirements({
+          passwordNotMeetMinLength: passwordNotMeetMinLength,
+          minPasswordLength: minPasswordLength,
+          passwordNotMeetMaxLength: passwordNotMeetMaxLength,
+          maxPasswordLength: maxPasswordLength,
+          passwordNotContainLowercaseLetter: passwordNotContainLowercaseLetter,
+          passwordNotContainUppercaseLetter: passwordNotContainUppercaseLetter,
+          passwordNotContainNumericCharacter:
+              passwordNotContainNumericCharacter,
+          passwordNotContainNonAlphanumericCharacter:
+              passwordNotContainNonAlphanumericCharacter
+        })
+        .toString();
+  }
+
   // Try to get an error message from the strings file, or fall back to the
   // error message from the Firebase SDK if none is found.
   var message =

javascript/widgets/handler/common_test.js

@@ -1336,6 +1336,19 @@ function testGetErrorMessage_unknownError_jsonMessage() {
 }
 
 
+function testGetErrorMessage_passwordPolicyError_message() {
+  const error = {
+    code: 'auth/password-does-not-meet-requirements',
+    message:
+        'Missing password requirements: [Password must contain at least 8 characters, Password may contain at most 16 characters, Password must contain a lower case character, Password must contain an upper case character, Password must contain a numeric character, Password must contain a non-alphanumeric character]'
+  };
+  const message = firebaseui.auth.widget.handler.common.getErrorMessage(error);
+  assertEquals(
+      'Missing password requirements: [ Password must contain at least 8 characters. Password may contain at most 16 characters. Password must contain a lower case character. Password must contain an upper case character. Password must contain a numeric character. Password must contain a non-alphanumeric character. ]',
+      message);
+}
+
+
 function testIsPasswordProviderOnly_multipleMixedProviders() {
   // Set a password and federated providers in the FirebaseUI instance
   // configuration.

soy/strings.soy

@@ -210,6 +210,111 @@
 {/template}
 
 
+
+/** Error message for when the user tries to sign in, sign up, or reset password with a
+          password that is not compliant with the policy.. */
+{template .errorMissingPasswordRequirements kind="text"}
+  {@param passwordNotMeetMinLength: bool}                      /** Whether to display the
+                                                                   passwordNotMeetMinLength
+                                                                   error. */
+  {@param minPasswordLength: string}                           /** The minimum password length. */
+  {@param passwordNotMeetMaxLength: bool}                      /** Whether to display the
+                                                                   passwordNotMeetMaxLength
+                                                                   error. */
+  {@param maxPasswordLength: string}                           /** The maximum password length. */
+  {@param passwordNotContainLowercaseLetter: bool}             /** Whether to display the
+                                                                   passwordNotContainLowercaseLetter
+                                                                   error. */
+  {@param passwordNotContainUppercaseLetter: bool}             /** Whether to display the
+                                                                   passwordNotContainUppercaseLetter
+                                                                   error. */
+  {@param passwordNotContainNumericCharacter: bool}            /** Whether to display the
+                                                                   passwordNotContainNumericCharacter
+                                                                   error. */
+  {@param passwordNotContainNonAlphanumericCharacter: bool}    /** Whether to display the
+                                                                   passwordNotContainNonAlphanumericCharacter
+                                                                   error. */
+
+  {call .error}
+    {param code: 'auth/password-does-not-meet-requirements' /}
+  {/call}{sp}
+  [{sp}
+  {if $passwordNotMeetMinLength and $minPasswordLength != null}
+    {call .errorPasswordNotMeetMinLength}
+      {param minPasswordLength: $minPasswordLength /}
+    {/call}.{sp}
+  {/if}
+  {if $passwordNotMeetMaxLength and $maxPasswordLength != null}
+    {call .errorPasswordNotMeetMaxLength}
+      {param maxPasswordLength: $maxPasswordLength /}
+    {/call}.{sp}
+  {/if}
+  {if $passwordNotContainLowercaseLetter}{call .errorPasswordNotContainLowercaseLetter /}.{sp}{/if}
+  {if $passwordNotContainUppercaseLetter}{call .errorPasswordNotContainUppercaseLetter /}.{sp}{/if}
+  {if $passwordNotContainNumericCharacter}{call .errorPasswordNotContainNumericCharacter /}.{sp}{/if}
+  {if $passwordNotContainNonAlphanumericCharacter}
+    {call .errorPasswordNotContainNonAlphanumericCharacter /}.{sp}
+  {/if}
+  ]
+{/template}
+
+
+/** Error message for a password that is shorter than the minimum password length. */
+{template .errorPasswordNotMeetMinLength kind="text"}
+  {@param minPasswordLength: string}    /** The minimum password length. */
+  {msg desc="Error message when the user enters a password that is shorter than the minimum password
+      length."}
+    Password must contain at least {$minPasswordLength} characters
+  {/msg}
+{/template}
+
+
+/** Error message for a password that is longer than the maximum password length. */
+{template .errorPasswordNotMeetMaxLength kind="text"}
+  {@param maxPasswordLength: string}    /** The maximum password length. */
+  {msg desc="Error message when the user enters a password that is longer than the maximum password
+      length."}
+    Password may contain at most {$maxPasswordLength} characters
+  {/msg}
+{/template}
+
+
+/** Error message for a password that does not contain a lower case character. */
+{template .errorPasswordNotContainLowercaseLetter kind="text"}
+  {msg desc="Error message when the user enters a password that does not contain a lower case
+      character."}
+    Password must contain a lower case character
+  {/msg}
+{/template}
+
+
+/** Error message for a password that does not contain an upper case character. */
+{template .errorPasswordNotContainUppercaseLetter kind="text"}
+  {msg desc="Error message when the user enters a password that does not contain an upper case
+      character."}
+    Password must contain an upper case character
+  {/msg}
+{/template}
+
+
+/** Error message for a password that does not contain a numeric character. */
+{template .errorPasswordNotContainNumericCharacter kind="text"}
+  {msg desc="Error message when the user enters a password that does not contain a numeric
+      character."}
+    Password must contain a numeric character
+  {/msg}
+{/template}
+
+
+/** Error message for a password that does not contain a non-alphanumeric character. */
+{template .errorPasswordNotContainNonAlphanumericCharacter kind="text"}
+  {msg desc="Error message when the user enters a password that does not contain a non-alphanumeric
+      character."}
+    Password must contain a non-alphanumeric character
+  {/msg}
+{/template}
+
+
 /** Translates an error code from Firebase Auth to a user-displayable string. */
 {template .error kind="text"}
   {@param? code: string} /** The error code. */
@@ -241,7 +346,7 @@
     {case 'auth/weak-password'}
       {msg desc="Error message for when the user tries to sign in or sign up with a password that is
           too short."}
-        Strong passwords have at least 6 characters and a mix of letters and numbers
+        The password must be at least 6 characters long
       {/msg}
     {case 'auth/wrong-password'}
       {msg desc="Error message for incorrect password."}
@@ -272,6 +377,11 @@
         The action code is invalid. This can happen if the code is malformed, expired, or has
         already been used.
       {/msg}
+    {case 'auth/password-does-not-meet-requirements'}
+      {msg desc="Error message for when the user tries to sign in, sign up, or reset password with a
+          password that is not compliant with the policy."}
+        Missing password requirements:
+      {/msg}
     {default}
   {/switch}
 {/template}