oauth2-proxy (#4784)

* 'Add new script'

* change cleaning

* change cleaning

---------

Co-authored-by: push-app-to-main[bot] <203845782+push-app-to-main[bot]@users.noreply.github.com>
Co-authored-by: CanbiZ <47820557+MickLesk@users.noreply.github.com>

install/oauth2-proxy-install.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: bvdberg01
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# Source: https://github.com/oauth2-proxy/oauth2-proxy/
+
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+color
+verb_ip6
+catch_errors
+setting_up_container
+network_check
+update_os
+
+msg_info "Installing Dependencies"
+$STD apt-get install -y \
+  jq
+msg_ok "Installed Dependencies"
+
+msg_info "Setup OAuth2-Proxy"
+RELEASE=$(curl -fsSL https://api.github.com/repos/oauth2-proxy/oauth2-proxy/releases/latest | jq -r .tag_name | sed 's/^v//')
+mkdir -p /opt/oauth2-proxy
+curl -fsSL "https://github.com/oauth2-proxy/oauth2-proxy/releases/download/v${RELEASE}/oauth2-proxy-v${RELEASE}.linux-amd64.tar.gz" -o /opt/oauth2-proxy.tar.gz
+tar -xzf /opt/oauth2-proxy.tar.gz -C /opt
+mv /opt/oauth2-proxy-v${RELEASE}.linux-amd64/oauth2-proxy /opt/oauth2-proxy
+touch /opt/oauth2-proxy/config.toml
+echo "${RELEASE}" >/opt/${APPLICATION}_version.txt
+msg_ok "Setup OAuth2-Proxy"
+
+msg_info "Creating Service"
+cat <<EOF >/etc/systemd/system/oauth2-proxy.service
+[Unit]
+Description=OAuth2-Proxy Service
+After=network.target
+
+[Service]
+Type=simple
+WorkingDirectory=/opt/oauth2-proxy
+ExecStart=/opt/oauth2-proxy/oauth2-proxy --config config.toml
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable -q --now oauth2-proxy
+msg_ok "Created Service"
+
+motd_ssh
+customize
+
+msg_info "Cleaning up"
+rm -f "/opt/oauth2-proxy.tar.gz"
+rm -rf "/opt/oauth2-proxy-v${RELEASE}.linux-amd64"
+$STD apt-get -y autoremove
+$STD apt-get -y autoclean
+msg_ok "Cleaned"