[fix] remove permissions on uninstall and request permissions during installation for MacOS

scripts/macosx/sign_app.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+# Helper script to sign macOS app with different certificate options
+# Usage: ./sign_app.sh <app_path> [certificate_name]
+
+APP_PATH="$1"
+CERT_NAME="$2"
+
+if [ -z "$APP_PATH" ]; then
+    echo "Usage: $0 <app_path> [certificate_name]"
+    echo ""
+    echo "Examples:"
+    echo "  $0 CrossDesk.app                    # Ad-hoc signing"
+    echo "  $0 CrossDesk.app \"CrossDesk Dev\"   # Sign with certificate name"
+    echo "  $0 CrossDesk.app \"-\"               # Explicit ad-hoc signing"
+    exit 1
+fi
+
+if [ ! -d "$APP_PATH" ]; then
+    echo "Error: App bundle not found: $APP_PATH"
+    exit 1
+fi
+
+if [ -z "$CERT_NAME" ]; then
+    # Default to ad-hoc signing
+    CERT_NAME="-"
+    echo "Using ad-hoc signing (no certificate specified)"
+else
+    echo "Using certificate: $CERT_NAME"
+fi
+
+# Check if codesign is available
+if ! command -v codesign &> /dev/null; then
+    echo "Error: codesign not found. Please install Xcode Command Line Tools."
+    exit 1
+fi
+
+# Sign the app
+echo "Signing $APP_PATH..."
+codesign --force --deep --sign "$CERT_NAME" "$APP_PATH"
+
+if [ $? -eq 0 ]; then
+    echo "Signing successful!"
+    
+    # Verify signature
+    echo ""
+    echo "Verifying signature..."
+    codesign -dv --verbose=4 "$APP_PATH" 2>&1 | head -20
+    
+    echo ""
+    echo "Checking entitlements..."
+    codesign -d --entitlements - "$APP_PATH" 2>&1 || echo "No entitlements found"
+else
+    echo "Error: Signing failed"
+    exit 1
+fi
+