[SELC-7635] feat: Add telemetry tracking for onboarding functions

apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/config/TelemetryClientProducer.java

@@ -0,0 +1,22 @@
+package it.pagopa.selfcare.onboarding.config;
+
+import com.microsoft.applicationinsights.TelemetryClient;
+import com.microsoft.applicationinsights.TelemetryConfiguration;
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.enterprise.inject.Produces;
+import jakarta.inject.Singleton;
+import org.eclipse.microprofile.config.inject.ConfigProperty;
+
+@ApplicationScoped
+public class TelemetryClientProducer {
+
+    @Produces
+    @Singleton
+    public TelemetryClient telemetryClient(
+            @ConfigProperty(name = "onboarding-functions.appinsights.connection-string")
+            String appInsightsConnectionString) {
+        TelemetryConfiguration telemetryConfiguration = TelemetryConfiguration.createDefault();
+        telemetryConfiguration.setConnectionString(appInsightsConnectionString);
+        return new TelemetryClient(telemetryConfiguration);
+    }
+}

apps/onboarding-functions/src/main/java/it/pagopa/selfcare/onboarding/document/PdfBuilder.java

@@ -13,6 +13,7 @@
 
 import java.io.File;
 import java.io.FileOutputStream;
+import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.attribute.FileAttribute;
@@ -34,12 +35,13 @@ public class PdfBuilder {
 
     public static File generateDocument(String documentName,
                                         String documentTemplate,
-                                        Map<String, Object> content) {
+                                        Map<String, Object> content) throws IOException {
         Path temporaryPdfFile = null;
         Path temporaryDirectory = null;
+        String nameFile = null;
 
         try {
-            String nameFile = DATE_TIME_FORMATTER.format(LocalDateTime.now())
+            nameFile = DATE_TIME_FORMATTER.format(LocalDateTime.now())
                     + "_" + UUID.randomUUID()
                     + "_" + documentName;
 
@@ -66,6 +68,18 @@ public static File generateDocument(String documentName,
 
             return temporaryPdfFile.toFile();
 
+        } catch (UnsupportedOperationException e) {
+            // Fallback per sistemi non-POSIX (es. Windows in locale)
+            File f = Files.createTempFile(nameFile, ".pdf").toFile();
+
+            boolean readable = f.setReadable(true, true); // true = leggibile, true = solo owner
+            boolean writable = f.setWritable(true, true); // true = scrivibile, true = solo owner
+            boolean executable = f.setExecutable(false);  // FIX: false = NON eseguibile (più sicuro)
+
+            if (!readable || !writable || !executable) {
+                log.warn("Could not set restricted permissions on temporary file: {}", f.getAbsolutePath());
+            }
+            return f;
         } catch (Exception e) {
             log.error("Error while generating PDF", e);
             if (temporaryPdfFile != null) {