Fix Authentication related bugs

[Rajgupta36]

Resolves #1555

tasks

• Handle empty github credentials
• fix unit and e2e tests

[coderabbitai]

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[Rajgupta36]

@coderabbitai review it

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🧩 Analysis chain

@Rajgupta36 I'll review this PR for you. Let me start by examining the changes made in this pull request.

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🏁 Script executed:

#!/bin/bash
# Get information about the PR changes
echo "=== PR Information ==="
gh pr view 1569 --json title,body,headRefName,baseRefName,state,author

echo -e "\n=== Files Changed ==="
gh pr diff 1569 --name-only

echo -e "\n=== Detailed Changes ==="
gh pr diff 1569

Length of output: 12071

---

@Rajgupta36 I've reviewed your PR that fixes authentication-related bugs. Here's my comprehensive analysis:

🔒 Security Considerations

HIGH PRIORITY: Moving GITHUB_CLIENT_ID from server-side (NEXT_SERVER_) to client-side (NEXT_PUBLIC_) exposes this credential to the browser. While GitHub client IDs are generally considered public information, this change should be intentional:

// Before: Server-side only
NEXT_SERVER_GITHUB_CLIENT_ID=your_client_id

// After: Client-side accessible  
NEXT_PUBLIC_GITHUB_CLIENT_ID=your_client_id

This is likely necessary for the isAuthEnable() check, but please confirm this is intended.

🐛 Code Quality Issues

1. Inconsistent UI in Login Page

// Current code shows spinner with "Authentication is disabled" text
<FontAwesomeIcon icon={faSpinner} height={16} width={16} />
<span className="text-lg text-gray-500">Authentication is disabled</span>

Suggestion: Remove the spinner icon for the disabled state:

if (!isAuthEnable()) {
  return (
    <div className="flex min-h-[80vh] items-center justify-center">
      <span className="text-lg text-gray-500">Authentication is disabled</span>
    </div>
  )
}

2. Incomplete Credential Validation

The isAuthEnable() function only checks the client ID:

export const isAuthEnable = () => {
  return Boolean(GITHUB_CLIENT_ID)
}

Suggestion: Validate both required credentials:

export const isAuthEnable = () => {
  return Boolean(GITHUB_CLIENT_ID && GITHUB_CLIENT_SECRET)
}

3. Redundant Auth Check in NextAuth Route

async signIn({ account }) {
  if (!isAuthEnable() && account?.provider === 'github') {
    return false
  }
  // ... rest of the code
}

This check is redundant since the GitHub provider won't be added to the providers array when auth is disabled.

📝 Test Coverage Concerns

The E2E tests now only cover the disabled state. Consider keeping some tests for the enabled auth flow:

// Consider adding a separate test suite for enabled auth
test.describe('LoginPage - Auth Enabled State', () => {
  test.beforeEach(async ({ context }) => {
    // Mock environment with auth enabled
    await context.addInitScript(() => {
      window.process = { env: { NEXT_PUBLIC_GITHUB_CLIENT_ID: 'test_id' } }
    })
  })
  
  test('displays GitHub login button when auth enabled', async ({ page }) => {
    // Test auth enabled scenarios
  })
})

✅ What's Working Well

1. Graceful Degradation: The app handles missing credentials elegantly
2. Comprehensive Test Updates: Both unit and E2E tests are properly updated
3. Consistent State Management: Auth state is checked consistently across components
4. Environment Variable Standardization: Using standard NextAuth environment variable names

🔧 Additional Recommendations

1. Add Error Logging: Consider logging when auth is disabled for debugging
2. Environment Validation: Add startup validation to warn about missing credentials
3. Documentation: Update README with the new environment variable requirements

🎯 Overall Assessment

This is a solid fix for handling missing GitHub credentials. The main concerns are:

• Security implications of client-side credential exposure
• Minor UI/UX inconsistencies
• Incomplete credential validation

The changes successfully prevent authentication errors when credentials are missing and provide appropriate user feedback.

Would you like me to help you address any of these concerns or create follow-up issues for future improvements?

[arkid15r]

My main question here is -- how do we make sure that frontend secrets are not available on the client side (user's browser)?

[arkid15r]

Does this address

• make the UserMenu look consistent w/ existing dropdown menu (Community)
  ?

[Rajgupta36]

Does this address

• make the UserMenu look consistent w/ existing dropdown menu (Community)
  ?

sorry i forgot to address. i updated it.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud