# Use Cases - Path Security
## Overview
This document provides comprehensive use cases and real-world scenarios for the Path Security module.
## Web Application Security
### File Upload Security
**Scenario**: A web application allows users to upload files, but needs to prevent path traversal attacks.
**Solution**:
```rust
use path_security::{PathValidator, WebSecurityConfig};
let web_config = WebSecurityConfig::new()
.with_web_security(true)
.with_file_upload_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_web_security_config(web_config);
// Validate user-uploaded file paths
let user_path = "/uploads/user-file.txt";
match validator.validate_path(user_path) {
Ok(validated_path) => {
// Safe to process the file
process_uploaded_file(validated_path);
}
Err(error) => {
// Block the upload and log the security event
log_security_event("Path traversal attempt blocked", error);
return_error("Invalid file path");
}
}
```
### API Security
**Scenario**: A REST API needs to validate file paths in requests to prevent security vulnerabilities.
**Solution**:
```rust
use path_security::{PathValidator, APISecurityConfig};
let api_config = APISecurityConfig::new()
.with_api_security(true)
.with_endpoint_security(true)
.with_parameter_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_api_security_config(api_config);
// Validate API parameters
let api_param = "file=document.pdf";
match validator.validate_path(api_param) {
Ok(validated_param) => {
// Safe to process the API request
process_api_request(validated_param);
}
Err(error) => {
// Block the API request and log the security event
log_security_event("API path traversal attempt blocked", error);
return_api_error("Invalid file parameter");
}
}
```
### Content Management System
**Scenario**: A CMS needs to validate file paths when users create or edit content.
**Solution**:
```rust
use path_security::{PathValidator, CMSSecurityConfig};
let cms_config = CMSSecurityConfig::new()
.with_cms_security(true)
.with_content_security(true)
.with_file_management_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_cms_security_config(cms_config);
// Validate content file paths
let content_path = "/content/articles/article.txt";
match validator.validate_path(content_path) {
Ok(validated_path) => {
// Safe to process the content
process_content(validated_path);
}
Err(error) => {
// Block the content operation and log the security event
log_security_event("CMS path traversal attempt blocked", error);
return_cms_error("Invalid content path");
}
}
```
## File System Security
### File Access Control
**Scenario**: A file server needs to control access to files and prevent unauthorized access.
**Solution**:
```rust
use path_security::{PathValidator, FileSystemSecurityConfig};
let fs_config = FileSystemSecurityConfig::new()
.with_file_system_security(true)
.with_directory_traversal_protection(true)
.with_file_access_control(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_file_system_security_config(fs_config);
// Validate file access requests
let file_path = "/var/log/application.log";
match validator.validate_path(file_path) {
Ok(validated_path) => {
// Safe to access the file
access_file(validated_path);
}
Err(error) => {
// Block the file access and log the security event
log_security_event("File access blocked", error);
return_access_error("Invalid file path");
}
}
```
### Directory Traversal Protection
**Scenario**: A file manager application needs to prevent users from accessing files outside their designated directories.
**Solution**:
```rust
use path_security::{PathValidator, DirectoryTraversalConfig};
let traversal_config = DirectoryTraversalConfig::new()
.with_directory_traversal_protection(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_directory_traversal_config(traversal_config);
// Validate directory access requests
let directory_path = "/home/user/documents";
match validator.validate_path(directory_path) {
Ok(validated_path) => {
// Safe to access the directory
access_directory(validated_path);
}
Err(error) => {
// Block the directory access and log the security event
log_security_event("Directory traversal blocked", error);
return_access_error("Invalid directory path");
}
}
```
### Backup System Security
**Scenario**: A backup system needs to validate file paths to prevent backup corruption.
**Solution**:
```rust
use path_security::{PathValidator, BackupSecurityConfig};
let backup_config = BackupSecurityConfig::new()
.with_backup_security(true)
.with_file_validation(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_backup_security_config(backup_config);
// Validate backup file paths
let backup_path = "/backups/daily/2024-01-01/data.tar.gz";
match validator.validate_path(backup_path) {
Ok(validated_path) => {
// Safe to create the backup
create_backup(validated_path);
}
Err(error) => {
// Block the backup operation and log the security event
log_security_event("Backup path validation failed", error);
return_backup_error("Invalid backup path");
}
}
```
## Database Security
### Database File Security
**Scenario**: A database system needs to validate file paths for database files and logs.
**Solution**:
```rust
use path_security::{PathValidator, DatabaseSecurityConfig};
let db_config = DatabaseSecurityConfig::new()
.with_database_security(true)
.with_database_file_security(true)
.with_database_log_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_database_security_config(db_config);
// Validate database file paths
let db_file_path = "/var/lib/postgresql/data/database.db";
match validator.validate_path(db_file_path) {
Ok(validated_path) => {
// Safe to access the database file
access_database_file(validated_path);
}
Err(error) => {
// Block the database file access and log the security event
log_security_event("Database file access blocked", error);
return_database_error("Invalid database file path");
}
}
```
### Database Log Security
**Scenario**: A database system needs to validate log file paths to prevent log injection attacks.
**Solution**:
```rust
use path_security::{PathValidator, DatabaseLogSecurityConfig};
let log_config = DatabaseLogSecurityConfig::new()
.with_database_log_security(true)
.with_log_file_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_database_log_security_config(log_config);
// Validate database log paths
let log_path = "/var/log/postgresql/postgresql.log";
match validator.validate_path(log_path) {
Ok(validated_path) => {
// Safe to write to the log file
write_to_log(validated_path);
}
Err(error) => {
// Block the log write and log the security event
log_security_event("Database log path validation failed", error);
return_log_error("Invalid log file path");
}
}
```
## Cloud Security
### Cloud Storage Security
**Scenario**: A cloud storage service needs to validate file paths to prevent unauthorized access.
**Solution**:
```rust
use path_security::{PathValidator, CloudStorageSecurityConfig};
let cloud_config = CloudStorageSecurityConfig::new()
.with_cloud_storage_security(true)
.with_cloud_file_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_cloud_storage_security_config(cloud_config);
// Validate cloud storage file paths
let cloud_path = "/cloud-storage/user-files/document.pdf";
match validator.validate_path(cloud_path) {
Ok(validated_path) => {
// Safe to access the cloud file
access_cloud_file(validated_path);
}
Err(error) => {
// Block the cloud file access and log the security event
log_security_event("Cloud file access blocked", error);
return_cloud_error("Invalid cloud file path");
}
}
```
### Cloud Backup Security
**Scenario**: A cloud backup service needs to validate backup file paths to prevent backup corruption.
**Solution**:
```rust
use path_security::{PathValidator, CloudBackupSecurityConfig};
let cloud_backup_config = CloudBackupSecurityConfig::new()
.with_cloud_backup_security(true)
.with_cloud_backup_file_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_cloud_backup_security_config(cloud_backup_config);
// Validate cloud backup file paths
let cloud_backup_path = "/cloud-backups/daily/2024-01-01/data.tar.gz";
match validator.validate_path(cloud_backup_path) {
Ok(validated_path) => {
// Safe to create the cloud backup
create_cloud_backup(validated_path);
}
Err(error) => {
// Block the cloud backup operation and log the security event
log_security_event("Cloud backup path validation failed", error);
return_cloud_backup_error("Invalid cloud backup path");
}
}
```
## Enterprise Security
### Enterprise File System Security
**Scenario**: An enterprise file system needs to validate file paths to prevent unauthorized access to sensitive data.
**Solution**:
```rust
use path_security::{PathValidator, EnterpriseSecurityConfig};
let enterprise_config = EnterpriseSecurityConfig::new()
.with_enterprise_security(true)
.with_enterprise_file_security(true)
.with_enterprise_directory_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_enterprise_security_config(enterprise_config);
// Validate enterprise file paths
let enterprise_path = "/enterprise/data/sensitive-documents/confidential.pdf";
match validator.validate_path(enterprise_path) {
Ok(validated_path) => {
// Safe to access the enterprise file
access_enterprise_file(validated_path);
}
Err(error) => {
// Block the enterprise file access and log the security event
log_security_event("Enterprise file access blocked", error);
return_enterprise_error("Invalid enterprise file path");
}
}
```
### Enterprise Backup Security
**Scenario**: An enterprise backup system needs to validate backup file paths to prevent backup corruption.
**Solution**:
```rust
use path_security::{PathValidator, EnterpriseBackupSecurityConfig};
let enterprise_backup_config = EnterpriseBackupSecurityConfig::new()
.with_enterprise_backup_security(true)
.with_enterprise_backup_file_security(true)
.with_path_validation(true)
.with_traversal_detection(true)
.with_encoding_detection(true)
.with_unicode_detection(true);
let validator = PathValidator::new()
.with_enterprise_backup_security_config(enterprise_backup_config);
// Validate enterprise backup file paths
let enterprise_backup_path = "/enterprise-backups/daily/2024-01-01/enterprise-data.tar.gz";
match validator.validate_path(enterprise_backup_path) {
Ok(validated_path) => {
// Safe to create the enterprise backup
create_enterprise_backup(validated_path);
}
Err(error) => {
// Block the enterprise backup operation and log the security event
log_security_event("Enterprise backup path validation failed", error);
return_enterprise_backup_error("Invalid enterprise backup path");
}
}
```
## Security Monitoring
### Security Event Monitoring
**Scenario**: A security monitoring system needs to track and analyze path security events.
**Solution**:
```rust
use path_security::{PathValidator, SecurityMonitoringConfig};
let monitoring_config = SecurityMonitoringConfig::new()
.with_security_monitoring(true)
.with_security_event_monitoring(true)
.with_threat_monitoring(true)
.with_anomaly_monitoring(true)
.with_incident_monitoring(true);
let validator = PathValidator::new()
.with_security_monitoring_config(monitoring_config);
// Monitor path security events
let path = "../../../etc/passwd";
match validator.validate_path(path) {
Ok(validated_path) => {
// Path is valid, log the event
log_security_event("Path validation successful", validated_path);
}
Err(error) => {
// Path validation failed, log the security event
log_security_event("Path validation failed", error);
alert_security_team("Potential security threat detected");
}
}
```
### Threat Intelligence
**Scenario**: A threat intelligence system needs to analyze path security threats and provide intelligence.
**Solution**:
```rust
use path_security::{PathValidator, ThreatIntelligenceConfig};
let threat_intel_config = ThreatIntelligenceConfig::new()
.with_threat_intelligence(true)
.with_threat_analysis(true)
.with_threat_reporting(true)
.with_threat_alerting(true);
let validator = PathValidator::new()
.with_threat_intelligence_config(threat_intel_config);
// Analyze path security threats
let path = "../../../etc/passwd";
match validator.validate_path(path) {
Ok(validated_path) => {
// Path is valid, update threat intelligence
update_threat_intelligence("Path validation successful", validated_path);
}
Err(error) => {
// Path validation failed, update threat intelligence
update_threat_intelligence("Path validation failed", error);
generate_threat_report("Potential security threat detected");
}
}
```
## Conclusion
These use cases demonstrate the comprehensive security capabilities of the Path Security module across various domains and scenarios. By implementing these security measures, you can ensure that your applications are protected against path traversal attacks and other security vulnerabilities.
Key use case categories:
1. **Web Application Security**: File upload, API, and CMS security
2. **File System Security**: File access control, directory traversal protection, and backup security
3. **Database Security**: Database file and log security
4. **Cloud Security**: Cloud storage and backup security
5. **Enterprise Security**: Enterprise file system and backup security
6. **Security Monitoring**: Security event monitoring and threat intelligence