new calculation approach with unique sessions, new API endpoint to get list of active sessions, fix for UNDEF user, UI and Back to support certificate management still under development

APP/templates/client.ovpn.j2

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+client
+dev tun
+windows-driver wintun
+proto {{ proto }}
+remote {{ remote_host }} {{ remote_port }}
+resolv-retry infinite
+nobind
+persist-key
+persist-tun
+{% if 'tcp' in proto %}
+tls-client
+{% endif %}
+mute-replay-warnings
+remote-cert-tls server
+
+# Encryption Config
+cipher {{ cipher | default('AES-256-GCM') }}
+{% if data_ciphers %}
+data-ciphers {{ data_ciphers }}
+{% endif %}
+{% if data_ciphers_fallback %}
+data-ciphers-fallback {{ data_ciphers_fallback }}
+{% endif %}
+auth {{ auth_algo | default('SHA256') }}
+verb 3
+
+# Certificates Config
+<ca>
+{{ ca }}
+</ca>
+<cert>
+{{ cert }}
+</cert>
+<key>
+{{ key }}
+</key>
+key-direction 1
+<tls-auth>
+{{ tls_auth }}
+</tls-auth>

APP/templates/server.conf.j2

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+port {{ port }}
+proto {{ proto }}
+dev tun
+
+ca {{ ca_path }}
+cert {{ cert_path }}
+key {{ key_path }}
+dh {{ dh_path }}
+tls-auth {{ ta_path }} 0
+
+server {{ server_network }} {{ server_netmask }}
+
+{% if topology %}
+topology {{ topology }}
+{% endif %}
+
+{% if ipp_path %}
+ifconfig-pool-persist {{ ipp_path }}
+{% endif %}
+
+{% if routes %}
+{% for route in routes %}
+push "route {{ route }}"
+{% endfor %}
+{% endif %}
+
+{% if redirect_gateway %}
+push "redirect-gateway def1 bypass-dhcp"
+{% endif %}
+
+{% if dns_servers %}
+{% for dns in dns_servers %}
+push "dhcp-option DNS {{ dns }}"
+{% endfor %}
+{% endif %}
+
+{% if client_to_client %}
+client-to-client
+{% endif %}
+
+keepalive 10 120
+
+cipher {{ cipher }}
+{% if data_ciphers %}
+data-ciphers {{ data_ciphers }}
+{% endif %}
+{% if data_ciphers_fallback %}
+data-ciphers-fallback {{ data_ciphers_fallback }}
+{% endif %}
+
+auth {{ auth_algo }}
+user nobody
+group nogroup
+persist-key
+persist-tun
+
+status {{ status_log }}
+log-append {{ log_file }}
+
+verb 3
+explicit-exit-notify 1
+
+{% if crl_verify %}
+crl-verify {{ crl_path }}
+{% endif %}
+
+{% if tun_mtu %}
+tun-mtu {{ tun_mtu }}
+{% endif %}
+
+{% if mssfix %}
+mssfix {{ mssfix }}
+{% endif %}