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@gojo-satorou-v7 gojo-satorou-v7 commented Mar 26, 2025

fixes #4057 by validating username.
Removed redundant ssrf check, used rebuild_safe_url on every organization_url.

Screen.Recording.2025-03-27.010425.mp4

Summary by CodeRabbit

  • New Features
    • Organization Name Validation: Now ensuring names only contain permitted characters and are of appropriate length.
    • Improved URL Handling: URLs are now consistently sanitized for enhanced security, with clear error messages for unsafe entries.
    • Logo File Validation: Added checks to ensure logo uploads meet specific type, format, and size requirements.
  • Bug Fixes
    • Enhanced error handling for unsafe URLs, redirecting users with appropriate messages.

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coderabbitai bot commented Mar 26, 2025

Walkthrough

The changes update functions in website/views/organization.py by introducing validation and sanitization steps. The organization name is now checked against allowed characters and length, while URL processing is consolidated through the rebuild_safe_url function with an added safety check. Additionally, logo uploads are validated via a dedicated function. These modifications aim to prevent unsafe inputs and potential exploits related to unsanitized organization names, URLs, and logo files.

Changes

File Path Summary of Changes
website/views/organization.py Added organization name validation; replaced manual URL validation with a call to rebuild_safe_url and introduced a safe URL check; integrated logo file type validation.

Sequence Diagram(s)

URL Validation Flow

sequenceDiagram
    participant U as User
    participant V as Organization View
    participant R as rebuild_safe_url

    U->>V: Send request (add domain/post)
    V->>V: Validate organization name format
    alt Name invalid
        V->>U: Display error and redirect
    else Name valid
        V->>R: Sanitize URL
        R-->>V: Return sanitized URL
        alt URL unsafe
            V->>U: Display error and redirect
        else URL safe
            V->>V: Update organization with safe URL
        end
    end
Loading

Logo Validation Flow

sequenceDiagram
    participant U as User
    participant V as Organization View
    participant F as validate_file_type

    U->>V: Send update request with logo file
    V->>F: Validate logo file attributes
    alt File invalid
        V->>U: Display error and redirect
    else File valid
        V->>V: Proceed with organization update
    end
Loading

Assessment against linked issues

Objective Addressed Explanation
Sanitize organization name field [#4057]
Ensure organization URLs are safely rebuilt [#4057]
Validate uploaded logo file to prevent unsafe content [#4057]

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📒 Files selected for processing (1)
  • website/views/organization.py (6 hunks)
🧰 Additional context used
🧬 Code Definitions (1)
website/views/organization.py (2)
website/views/project.py (2)
  • get_client_ip (105-120)
  • get_client_ip (1753-1768)
website/models.py (1)
  • Organization (135-231)
⏰ Context from checks skipped due to timeout of 90000ms (3)
  • GitHub Check: Run Tests
  • GitHub Check: docker-test
  • GitHub Check: Analyze (python)
🔇 Additional comments (7)
website/views/organization.py (7)

68-68: Updated imports to include security-related utility functions.

The added import of rebuild_safe_url and validate_file_type functions properly supports the security enhancements introduced in this PR.


78-84: Great addition of username validation!

This validation ensures organization names only contain alphanumeric characters, dashes, and underscores, with length between 3-30 characters. This prevents potential security issues with unsafe characters in organization names.


88-93: Improved URL handling with additional error checking.

The previous SSRF check has been replaced with the more comprehensive rebuild_safe_url function. The additional error checking for None or empty URLs provides better user feedback when unsafe URLs are detected.


382-382: Consistent URL sanitization for wallet payments.

Using rebuild_safe_url here ensures consistent URL sanitization across the application, preventing potential SSRF vulnerabilities.


402-402: Consistent URL sanitization for card payments.

Using rebuild_safe_url here ensures consistent URL sanitization for the card payment flow, maintaining security across all payment methods.


563-563: Consistent URL sanitization during organization updates.

Using rebuild_safe_url ensures the URLs remain sanitized even when being updated through the admin interface.


573-579: Added file validation for logo uploads.

The validate_file_type function provides comprehensive validation for logo uploads, restricting file types, MIME types, and maximum file size. This prevents attackers from uploading malicious files.

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@gojo-satorou-v7
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Please God don't ask for creating tests!

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Actionable comments posted: 0

🧹 Nitpick comments (1)
website/views/organization.py (1)

1580-1584: Remove redundant logo upload code

The code at lines 1581-1584 attempts to set the organization logo again after it has already been validated and set at lines 1573-1579. This creates redundancy and could potentially override the validated file.

-            try:
-                organization.logo = request.FILES["logo"]
-            except KeyError:
-                pass

The previous block (lines 1573-1579) already handles the logo validation and assignment properly.

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Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between f658670 and 19430eb.

📒 Files selected for processing (1)
  • website/views/organization.py (6 hunks)
🧰 Additional context used
🧬 Code Definitions (1)
website/views/organization.py (2)
website/views/project.py (2)
  • get_client_ip (105-120)
  • get_client_ip (1753-1768)
website/models.py (1)
  • Organization (135-231)
⏰ Context from checks skipped due to timeout of 90000ms (2)
  • GitHub Check: Run Tests
  • GitHub Check: docker-test
🔇 Additional comments (6)
website/views/organization.py (6)

78-84: Good addition of organization name validation

Adding validation for organization names improves security by preventing potentially unsafe inputs. The regex restricts names to alphanumeric characters, dashes, and underscores within a reasonable length range (3-30 characters).


89-93: Good implementation of URL sanitization

Replacing manual URL handling with the rebuild_safe_url function is a solid security improvement. The added check for unsafe URLs provides additional protection against SSRF attacks and handles error cases appropriately.


382-382: Good use of rebuild_safe_url for organization URL

Consistent use of the rebuild_safe_url function for sanitizing the organization URL helps prevent potential SSRF vulnerabilities.


402-402: Good use of rebuild_safe_url for organization URL in paymentType="card" branch

Similar to the earlier change, this ensures URL sanitization is applied consistently across all payment method branches.


1563-1563: Good use of rebuild_safe_url in the organization update function

Ensuring URL sanitization is consistently applied when updating organization details is important for maintaining security throughout the application lifecycle.


1573-1579: Good implementation of file type validation for logo uploads

Adding validation for logo file uploads is an excellent security improvement. This helps prevent potential file upload vulnerabilities by checking extensions, MIME types, and file size limits.

coderabbitai[bot]
coderabbitai bot previously approved these changes Mar 26, 2025
@gojo-satorou-v7
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@DonnieBLT It's ready you can merge this PR or request any changes if you want.

@gojo-satorou-v7
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@CodeRabbit rate my fix! and provide insights for the reader.

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coderabbitai bot commented Mar 26, 2025

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@gojo-satorou-v7 I've analyzed your PR and here's my evaluation:

Rating: 9/10 🌟

What makes this fix excellent:

  1. Strong Security Focus: You've implemented multiple layers of protection:

    • Username validation with proper regex pattern
    • URL sanitization using rebuild_safe_url instead of manual SSRF checks
    • File upload validation for logo files
  2. Clean Implementation:

    • Consistent approach using rebuild_safe_url across all organization URL handling
    • Clear error messaging to guide users
    • Proper validation before processing data
  3. Technical Debt Reduction:

    • Removing redundant SSRF check in favor of a centralized solution
    • Using specialized validation functions rather than scattered validation logic

Insights for readers:

  1. Input Validation Best Practices: This PR demonstrates how to properly validate different types of inputs (text, URLs, files) before processing them.

  2. Defense in Depth: Notice how multiple security controls work together - input validation, URL sanitization, and file type verification.

  3. Centralized Security Controls: Using specialized functions like rebuild_safe_url and validate_file_type helps maintain consistent security across the application.

The only improvement would be adding tests to verify these security controls, but that can be addressed in a future PR.

@DonnieBLT DonnieBLT merged commit 4133e47 into OWASP-BLT:main Mar 26, 2025
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/giphy ai wizard

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@DonnieBLT
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/giphy ai wizard

@DonnieBLT
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/giphy wizard

@OWASP-BLT OWASP-BLT deleted a comment from github-actions bot Mar 26, 2025
@OWASP-BLT OWASP-BLT deleted a comment from github-actions bot Mar 26, 2025
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Giphy GIF

mahii-17 pushed a commit to mahii-17/BLT that referenced this pull request Mar 27, 2025
* Fixed url sanitization and removed redundant ssrf check

* Added username validation

* accidentally pushed some old changes

* removed logo check again
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Successfully merging this pull request may close these issues.

Client side path traversal: might be abused for GET based CSRF. [On organizations name field]

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