Filter the issues with usernames from headers( X-Assume-Role)#25
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Hello @vignesh-kandula-shipsy, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!
Summary of Changes
This pull request modifies the filter_issues function in apiserver/plane/api/views/search.py to filter issues based on usernames provided in the X-Assume-Role header. Instead of taking a single username from the query parameters, it now retrieves a comma-separated list of usernames from the header, splits the string into a list, and filters the issues to include only those created by users in that list. This change allows filtering by multiple usernames simultaneously.
Highlights
- Header-based Username Filtering: The pull request changes the source of the
created_by_usernamefrom a query parameter to theX-Assume-Roleheader. - Multiple Username Support: The pull request enables filtering issues by multiple usernames provided as a comma-separated string in the
X-Assume-Roleheader. - Input Sanitization: The code now sanitizes the input usernames by stripping whitespace and filtering out 'null' values.
Changelog
- apiserver/plane/api/views/search.py
- Modified the
filter_issuesfunction to accept multiple usernames from theX-Assume-Roleheader. - Implemented logic to split the comma-separated usernames into a list.
- Added input sanitization to remove whitespace and filter out 'null' usernames.
- Changed the source of
created_by_usernamefromrequest.query_paramstorequest.headers.
- Modified the
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Trivia time!
What is the purpose of the X- prefix in HTTP headers?
Click here for the answer
The `X-` prefix in HTTP headers was historically used to denote non-standard headers. However, its use is now discouraged, and custom headers should use the `Sec-` prefix or be registered with IANA.
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Code Review
The pull request introduces a feature to filter issues based on usernames provided in the X-Assume-Role header. This allows for filtering issues created by specific users. The implementation involves extracting usernames from the header, splitting them into a list, and then filtering the issues based on this list. Overall, the changes seem reasonable, but there are a few points to consider.
Summary of Findings
- Potential Security Risk: Accepting usernames from the
X-Assume-Roleheader could pose a security risk if not handled carefully. Ensure proper validation and sanitization of the input to prevent potential injection attacks or unauthorized access. Consider the implications of allowing users to impersonate others for filtering purposes. - Error Handling: The code does not explicitly handle cases where the
X-Assume-Roleheader is missing or contains invalid data. Consider adding error handling to gracefully handle such scenarios and provide informative error messages to the user. - Performance Considerations: If the list of usernames in the
X-Assume-Roleheader becomes very large, theissues.filter(created_by__username__in=created_by_usernames)query could become slow. Consider adding pagination or other performance optimizations to handle large lists of usernames.
Merge Readiness
The pull request introduces a useful feature, but there are some potential security and performance concerns that need to be addressed before merging. I recommend carefully reviewing the security implications of accepting usernames from the X-Assume-Role header and adding appropriate validation and sanitization. Additionally, consider adding error handling and performance optimizations to handle large lists of usernames. I am unable to approve this pull request, and recommend that others review and approve this code before merging. At a minimum, the high severity issues should be addressed before merging.
| "workspace_search", "false" | ||
| ) | ||
| created_by_username = request.query_params.get("created_by_username", False) | ||
| created_by_username = request.headers.get("X-Assume-Role", False) |
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It's generally not a good practice to directly use values from headers without any validation or sanitization. The X-Assume-Role header could be spoofed or contain malicious data. Consider adding validation to ensure that the username is a valid user in the system and that the current user has permission to assume the role of the specified user. Also, consider what happens if the header is missing - should it default to the current user, or should it return an error?
created_by_username = request.headers.get("X-Assume-Role", None)
if created_by_username:
# Validate the username
try:
user = User.objects.get(username=created_by_username)
# Check if the current user has permission to assume the role
# (e.g., check if the current user is an admin or has explicit permission)
if request.user.is_superuser or request.user.has_perm('can_assume_role', user):
created_by_username = user.username
else:
# Handle permission denied
return Response({"error": "Permission denied to assume role"}, status=status.HTTP_403_FORBIDDEN)
except User.DoesNotExist:
# Handle invalid username
return Response({"error": "Invalid username in X-Assume-Role header"}, status=status.HTTP_400_BAD_REQUEST)
else:
created_by_username = False # Or handle the case where the header is missing| if created_by_username: | ||
| issues = issues.filter(created_by__username=created_by_username) | ||
| created_by_usernames = [ | ||
| username | ||
| for username in created_by_username.split(",") | ||
| if username.strip() and username != "null" | ||
| ] | ||
| if created_by_usernames: | ||
| issues = issues.filter(created_by__username__in=created_by_usernames) |
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Consider adding validation to ensure that the usernames extracted from the created_by_username string are valid and exist in the system. This could prevent potential errors or security vulnerabilities if the header contains unexpected or malicious data. Also, consider the case where the created_by_username string is very long, which could lead to performance issues when splitting the string and filtering the issues.
created_by_usernames = [
username
for username in created_by_username.split(",")
if username.strip() and username != "null"
]
if created_by_usernames:
# Validate usernames here
valid_usernames = User.objects.filter(username__in=created_by_usernames).values_list('username', flat=True)
issues = issues.filter(created_by__username__in=valid_usernames)
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