Add jdownloader (ct) (#16964)

ct/headers/jdownloader

@@ -0,0 +1,6 @@
+       ______                      __                __         
+      / / __ \____ _      ______  / /___  ____ _____/ /__  _____
+ __  / / / / / __ \ | /| / / __ \/ / __ \/ __ `/ __  / _ \/ ___/
+/ /_/ / /_/ / /_/ / |/ |/ / / / / / /_/ / /_/ / /_/ /  __/ /    
+\____/_____/\____/|__/|__/_/ /_/_/\____/\__,_/\__,_/\___/_/     
+                                                                

ct/jdownloader.sh

@@ -0,0 +1,54 @@
+#!/usr/bin/env bash
+_CS_DEFAULT_URL="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main"
+_cs_boot="${COMMUNITY_SCRIPTS_CORE_DIR:-$(dirname "${BASH_SOURCE[0]}")/../../core}/core/build.func"
+source "$_cs_boot" 2>/dev/null || source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/core/build.func")
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://jdownloader.org/
+
+APP="JDownloader"
+var_tags="${var_tags:-downloader}"
+var_cpu="${var_cpu:-2}"
+var_ram="${var_ram:-1024}"
+var_disk="${var_disk:-8}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-13}"
+#var_arm64="${var_arm64:-no}" # unset = ask the user; set yes/no only when verified
+var_unprivileged="${var_unprivileged:-1}"
+
+header_info "$APP"
+variables
+color
+catch_errors
+
+function update_script() {
+  header_info
+  check_container_storage
+  check_container_resources
+
+  if [[ ! -f /opt/jdownloader/JDownloader.jar ]]; then
+    msg_error "No ${APP} Installation Found!"
+    exit
+  fi
+
+  msg_info "Updating Container OS"
+  $STD apt update
+  $STD apt -y upgrade
+  msg_ok "Updated Container OS"
+
+  msg_info "Restarting JDownloader (triggers built-in self-update)"
+  systemctl restart jdownloader
+  msg_ok "Restarted JDownloader"
+  msg_ok "JDownloader will self-update automatically on restart"
+  exit
+}
+
+start
+build_container
+description
+
+msg_ok "Completed Successfully!\n"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${INFO}${YW}Access it using the following URL:${CL}"
+echo -e "${GATEWAY}${BGN}http://${IP}:6080/vnc.html?resize=scale&autoconnect=true${CL}"