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<?php
/**
 * OllamaCyberSecurityAnalyzer Class
 * Custom PHP integration for Ollama phi3 cybersecurity analysis
 */
class OllamaCyberSecurityAnalyzer {
    private $ollamaEndpoint;
    private $modelName = 'phi3:latest';
    private $confidenceThreshold = 0.85;
    
    public function __construct($endpoint = 'http://localhost:11434') {
        $this->ollamaEndpoint = $endpoint;
    }
    
    public function analyzeThreat($logData, $context = []) {
        $prompt = $this->buildSecurityPrompt($logData, $context);
        
        $response = $this->queryOllamaModel($prompt);
        $analysis = $this->parseSecurityResponse($response);
        
        if ($analysis['confidence'] >= $this->confidenceThreshold) {
            $this->triggerAutomatedResponse($analysis);
        }
        
        return $analysis;
    }
    
    private function buildSecurityPrompt($logData, $context) {
        return "Analyze this security log for potential threats:\n" .
               "Log Data: " . json_encode($logData) . "\n" .
               "Context: " . json_encode($context) . "\n" .
               "Provide threat assessment with confidence score.";
    }
    
    private function queryOllamaModel($prompt) {
        $data = [
            'model' => $this->modelName,
            'prompt' => $prompt,
            'stream' => false
        ];
        
        $ch = curl_init($this->ollamaEndpoint . '/api/generate');
        curl_setopt_array($ch, [
            CURLOPT_POST => true,
            CURLOPT_POSTFIELDS => json_encode($data),
            CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_TIMEOUT => 30
        ]);
        
        $response = curl_exec($ch);
        curl_close($ch);
        
        return json_decode($response, true);
    }
}