Clean user bio text for display

Sanitize file paths to prevent directory traversal Returns cleaned path safe for file operations

Sanitize HTML content for safe rendering Removes dangerous tags and attributes

Clean and validate search input

Save user preferences and return serialized data for later restoration. Serializes user preferences for efficient storage and quick rest

Search anime by title

Search anime database by title, genre, and minimum rating Returns up to 50 matching anime entries

Search for files matching a pattern using system commands. WARNING: This endpoint is intentionally vulnerable to command injection!

Sign JSON data using RSA private key

Track user actions for analytics This method is never called in production

Old template rendering without escaping Function exists but is never imported anywhere

Upload data to S3 (premium users only)

Ensure category is from allowed list

Validate command line arguments

Validate URLs for external requests

Validate filename for shell commands

Validate database identifiers (table names, column names)

Validate and convert to integer

Parse and validate JSON input Prevents JSON injection attacks

Validate redirect URLs against whitelist

Validate and sanitize string for database

Validate and sanitize website URLs

Verify signature of JSON data using RSA public key