Function validate_mongodb_url 

pub fn validate_mongodb_url(connection_string: &str) -> Result<String>

Validate a MongoDB connection string

Security checks:

• Verifies URL starts with mongodb:// or mongodb+srv://
• Parses connection string to validate format
• Checks for required database name in connection string

Arguments

• connection_string - MongoDB connection URL

Returns

Validated connection string if valid, error otherwise

Security

CRITICAL: This function prevents invalid or malicious connection strings

Examples

// Valid URLs
assert!(validate_mongodb_url("mongodb://localhost:27017/mydb").is_ok());
assert!(validate_mongodb_url("mongodb+srv://cluster.mongodb.net/mydb").is_ok());

// Invalid URLs
assert!(validate_mongodb_url("invalid").is_err());
assert!(validate_mongodb_url("postgresql://localhost/db").is_err());