CHS Backend Java Integration

package com.chs.auth;

import com.google.api.client.googleapis.javanet.GoogleNetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.auth.http.HttpCredentialsAdapter;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.auth.oauth2.ServiceAccountCredentials;
import java.io.FileInputStream;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.util.List;

public class GoogleAuthProvider {

    private static final JacksonFactory JSON_FACTORY = JacksonFactory.getDefaultInstance();
    private static GoogleCredentials credentials;

    /**
     * Charge les credentials OAuth2 depuis un compte de service.
     */
    public static GoogleCredentials loadCredentials(String keyPath, List<String> scopes)
            throws IOException {
        credentials = ServiceAccountCredentials
            .fromStream(new FileInputStream(keyPath))
            .createScoped(scopes);
        return credentials;
    }

    /**
     * Retourne un HttpCredentialsAdapter réutilisable.
     */
    public static HttpCredentialsAdapter getAdapter() {
        if (credentials == null) {
            throw new IllegalStateException("loadCredentials() doit être appelé d'abord");
        }
        return new HttpCredentialsAdapter(credentials);
    }

    public static JacksonFactory getJsonFactory() { return JSON_FACTORY; }

    public static GoogleNetHttpTransport getTransport()
            throws GeneralSecurityException, IOException {
        return GoogleNetHttpTransport.newTrustedTransport();
    }
}

package com.chs;

import com.chs.auth.GoogleAuthProvider;
import com.chs.module1.CanonicalScanner;
import com.chs.module1.ScanResult;
import com.chs.module4.IndexingNotifier;
import com.chs.module6.MonitorResult;
import com.chs.module6.SerpMonitor;
import com.google.auth.oauth2.GoogleCredentials;
import java.util.List;

public class ChsApplication {

    public static void main(String[] args) throws Exception {

        // 🔐 1. Charger les credentials
        String keyPath = System.getenv("CHS_GOOGLE_CREDENTIALS");
        GoogleAuthProvider.loadCredentials(keyPath, List.of(
            "https://www.googleapis.com/auth/webmasters",     // M1
            "https://www.googleapis.com/auth/indexing"         // M4
        ));

        // 🔍 2. Module 1 — Scanner
        CanonicalScanner scanner = new CanonicalScanner(
            "sc-domain:mediapart.fr");
        ScanResult scan = scanner.inspect(
            "https://www.mediapart.fr/journal/france/270917/la-nouvelle-recherche-de-financement");

        System.out.println("📋 Verdict: " + scan.verdict());
        System.out.println("🔴 Parasité: " + scan.isParasited());
        System.out.println("📐 User Canonical: " + scan.userCanonical());
        System.out.println("⚠️  Google Canonical: " + scan.googleCanonical());

        // 🔧 3. Module 4 — Si parasité, on nettoie + ping
        if (scan.isParasited()) {
            IndexingNotifier notifier = new IndexingNotifier();
            boolean ok = notifier.notifyUrlUpdated(scan.userCanonical());
            System.out.println("📨 Indexing API ping → " + (ok ? "✅ OK" : "❌ Échec"));
        }

        // 📡 4. Module 6 — Surveillance
        String apiKey = System.getenv("CHS_GOOGLE_API_KEY");
        String cx = System.getenv("CHS_CSE_ID");
        SerpMonitor monitor = new SerpMonitor(apiKey, cx);
        MonitorResult mon = monitor.monitor("mediapart.fr", "fortune", apiKey);

        System.out.println("📡 SERP Status: " + mon.status());
        System.out.println("🧹 Clean URLs: " + mon.cleanUrls().size());
        System.out.println("🦠 Parasite URLs: " + mon.parasiteUrls().size());
        System.out.println("🚨 Alerte: " + mon.alertTriggered());
    }
}