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@ShauryaRahlon ShauryaRahlon commented May 21, 2025

fix: improved regex for error messages and updated input validation for login and signup forms

Summary by CodeRabbit

  • New Features

    • Added client-side validation for email format and password length in the login form, with inline error messages for users.
  • Bug Fixes

    • Improved error messages in authentication responses to be more user-friendly and less technical.
  • Chores

    • Updated frontend dependencies by adding the "flag" package.
    • Standardized formatting and string usage across authentication forms for consistency.

fix: improved regex for error messages and updated input validation for login and signup forms
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coderabbitai bot commented May 21, 2025

Walkthrough

The updates include changes to backend authentication error messages for more user-friendly responses, the addition of a new frontend dependency, and the implementation of client-side validation for the login form. Other authentication forms received formatting and consistency improvements, but no major logic changes.

Changes

File(s) Change Summary
backend/controllers/auth.go Updated error response message in GoogleLogin to a fixed, user-friendly string on JSON binding failure.
frontend/package.json Added the "flag" dependency version ^5.0.1 to the dependencies list.
frontend/src/Pages/Authentication/forms.tsx Added client-side validation for login form inputs with error states; improved formatting and consistency across all authentication forms.

Poem

In fields of code, the rabbits cheer,
Friendlier errors now appear!
With flags in paw, dependencies grow,
And login checks run to and fro.
Forms are neat, the code is bright—
User smiles in morning light!
🐇✨


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📥 Commits

Reviewing files that changed from the base of the PR and between 4edf07e and 5c244b1.

⛔ Files ignored due to path filters (1)
  • frontend/package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (3)
  • backend/controllers/auth.go (2 hunks)
  • frontend/package.json (1 hunks)
  • frontend/src/Pages/Authentication/forms.tsx (10 hunks)
🚧 Files skipped from review as they are similar to previous changes (3)
  • frontend/package.json
  • backend/controllers/auth.go
  • frontend/src/Pages/Authentication/forms.tsx
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Actionable comments posted: 3

🧹 Nitpick comments (2)
frontend/src/Pages/Authentication/forms.tsx (2)

36-43: Password validation could be improved.

While the basic length check is a good start, consider strengthening password validation to encourage more secure passwords.

const validatePassword = (password: string) => {
- if (password.length < 8) {
-   setPasswordError("Password must be at least 8 characters");
-   return false;
- }
+ const hasMinLength = password.length >= 8;
+ const hasUpperCase = /[A-Z]/.test(password);
+ const hasLowerCase = /[a-z]/.test(password);
+ const hasNumbers = /[0-9]/.test(password);
+ const hasSpecialChar = /[^A-Za-z0-9]/.test(password);
+ 
+ if (!hasMinLength) {
+   setPasswordError("Password must be at least 8 characters");
+   return false;
+ } else if (!(hasUpperCase && hasLowerCase && hasNumbers)) {
+   setPasswordError("Password must contain uppercase, lowercase, and numbers");
+   return false;
+ }
  setPasswordError("");
  return true;
};

61-64: Good inline validation approach.

Running validation as the user types provides immediate feedback, which is good UX. Consider debouncing for better performance on slower devices.

onChange={(e) => {
  setEmail(e.target.value);
- validateEmail(e.target.value);
+ // Only validate after user stops typing for a moment
+ clearTimeout(emailValidationTimer.current);
+ emailValidationTimer.current = setTimeout(() => {
+   validateEmail(e.target.value);
+ }, 300);
}}
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📥 Commits

Reviewing files that changed from the base of the PR and between a28fb43 and 4edf07e.

⛔ Files ignored due to path filters (1)
  • frontend/package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (3)
  • backend/controllers/auth.go (4 hunks)
  • frontend/package.json (1 hunks)
  • frontend/src/Pages/Authentication/forms.tsx (8 hunks)
🔇 Additional comments (13)
backend/controllers/auth.go (6)

26-26: Improved user-facing error message.

Replacing the raw error message with a more user-friendly message is a good practice for better UX.


32-32: Good abstraction of technical details.

Hiding AWS Cognito-specific error details from the end user improves security by not exposing implementation details.


68-68: Enhanced error guidance for login.

The more detailed error message with actionable guidance helps users understand what they need to fix.


74-74: Improved authentication error message.

The updated message is more user-friendly and provides clear instructions without exposing backend implementation details.


89-89: Consistent error message formatting.

Good job maintaining consistency in error message phrasing across different authentication endpoints.


95-95: User-friendly error handling.

The simplified message properly hides implementation details while providing clear next steps to the user.

frontend/src/Pages/Authentication/forms.tsx (7)

17-19: Good addition of validation state variables.

Adding dedicated state variables for form validation errors is a clean approach to managing form validation state.


26-34: Effective email validation implementation.

The email validation using a regular expression pattern is a standard approach. The regex pattern correctly checks for the basic email format requirements.


67-67: Good error message display.

Showing validation errors inline below the relevant input fields follows best practices for form design.


72-75: Consistent validation patterns.

Following the same validation pattern for password as for email maintains consistency in the codebase.


78-80: Proper visual feedback for validation errors.

The styling of error messages with red text makes them stand out appropriately to users.


81-90: Improved password visibility toggle UI.

The restructured password visibility toggle with improved layout provides better user experience.


162-171: Consistent UI patterns across forms.

Using the same pattern for password visibility toggle across different forms maintains UI consistency.

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