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@skerbis skerbis commented Jan 7, 2025

Summary by CodeRabbit

  • Security Improvements
    • Added CSRF token validation for form submissions
    • Enhanced protection against cross-site request forgery attacks
    • Implemented token checks for GitHub search, upload, and URL forms

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Reviewing files that changed from the base of the PR and between 6aaacd9 and 77e3178.

📒 Files selected for processing (2)
  • README.md (1 hunks)
  • pages/install.packages.zip_install.php (5 hunks)

Walkthrough

The changes implement a CSRF (Cross-Site Request Forgery) protection mechanism in the install.packages.zip_install.php file. A validation check for the CSRF token is introduced before processing form submissions. The logic for handling file uploads, URL inputs, and GitHub repository fetching is now encapsulated within a conditional block that verifies the CSRF token's validity. If the token is invalid, an error message is displayed. Additionally, hidden CSRF token fields are included in multiple forms to enhance security against CSRF attacks.

Changes

File Change Summary
pages/install.packages.zip_install.php Implemented CSRF token validation for form submissions, added hidden token fields in GitHub search, upload, and URL forms

Sequence Diagram

sequenceDiagram
    participant User
    participant Form
    participant CSRFValidator
    participant ServerLogic

    User->>Form: Submits form
    Form->>CSRFValidator: Send CSRF token
    CSRFValidator-->>Form: Validate token
    alt Token Valid
        Form->>ServerLogic: Process submission
    else Token Invalid
        Form->>User: Display error message
    end
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Tokens dancing, shields held high,
Protecting forms from tricks that lie,
No sneaky scripts shall pass this gate,
Our web's security we celebrate! 🛡️
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@skerbis skerbis changed the title Update install.packages.zip_install.php Added CSRF Update install.packages.zip_install.php Jan 7, 2025
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Actionable comments posted: 0

🧹 Nitpick comments (2)
pages/install.packages.zip_install.php (2)

19-19: Consider Halting Execution After CSRF Validation Failure

After displaying the CSRF token invalid error message, consider terminating the script or redirecting the user to prevent any further processing. This ensures that no unintended actions occur after a failed CSRF validation.


28-28: Reduce Code Duplication for CSRF Hidden Fields

The CSRF hidden field inclusion code is repeated across multiple forms. Consider creating a helper function or variable to generate this field, allowing for reuse and improving maintainability.

Also applies to: 40-40, 64-64, 90-90, 107-107

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Review profile: CHILL
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Reviewing files that changed from the base of the PR and between 3f20fa4 and 67c977b.

📒 Files selected for processing (1)
  • pages/install.packages.zip_install.php (6 hunks)
🔇 Additional comments (2)
pages/install.packages.zip_install.php (2)

9-19: Proper Implementation of CSRF Protection

Adding CSRF token validation before processing form submissions effectively enhances the application's security against cross-site request forgery attacks. This is a crucial security improvement.


28-28: Inclusion of CSRF Tokens in Forms

Including the CSRF token as a hidden field in the forms at lines 28, 40, 64, 90, and 107 ensures that CSRF protection is applied to all form submissions, enhancing the application's security.

Also applies to: 40-40, 64-64, 90-90, 107-107

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Actionable comments posted: 1

🧹 Nitpick comments (2)
pages/install.packages.zip_install.php (2)

106-108: URL form properly secured

The URL form is correctly protected with CSRF token. Consider adding URL validation to prevent potential security issues.

 <form method="post">
     ' . $csrfField . '
     <div class="form-group">
         <label for="zip_url">' . rex_i18n::msg('zip_install_url') . '</label>
-        <input type="text" class="form-control" id="zip_url" name="zip_url" placeholder="https://github.com/FriendsOfREDAXO/demo_base/archive/refs/heads/main.zip">
+        <input type="url" class="form-control" id="zip_url" name="zip_url" pattern="https?://.*" placeholder="https://github.com/FriendsOfREDAXO/demo_base/archive/refs/heads/main.zip" required>
     </div>

9-10: Consider adding CSRF token expiration

While the CSRF protection is well implemented, consider adding a timeout configuration for the tokens to enhance security further. This would help protect against replay attacks.

// Example configuration (if supported by rex_csrf_token)
rex_csrf_token::factory('zip_install', ['timeout' => 3600]) // 1 hour timeout
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📥 Commits

Reviewing files that changed from the base of the PR and between 67c977b and 6aaacd9.

📒 Files selected for processing (1)
  • pages/install.packages.zip_install.php (5 hunks)
🔇 Additional comments (3)
pages/install.packages.zip_install.php (3)

9-21: Well-implemented CSRF protection!

The CSRF protection is properly implemented with appropriate validation and error handling. All form submissions are now protected against cross-site request forgery attacks.


22-22: Good practice: Consistent CSRF token implementation

Excellent approach in storing the CSRF token field in a variable and reusing it across forms. This ensures consistency and makes maintenance easier.

Also applies to: 28-28, 40-40


89-91: Secure file upload form implementation

The file upload form is properly protected with CSRF token and includes the correct enctype attribute.

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
@skerbis skerbis changed the title Added CSRF Update install.packages.zip_install.php Security Improvements Jan 7, 2025
@skerbis skerbis merged commit cc3994b into main Jan 7, 2025
1 check failed
@skerbis skerbis deleted the skerbis-patch-CSRF branch January 7, 2025 19:23
This was referenced Jan 8, 2025
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