Added auto selector for NordVPN

Re-using parts of @Bubuntux script I've repurposed the selector of the config for NordVPN using their public api

openvpn/NordVPN.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+country_filter() { # curl -s "https://api.nordvpn.com/v1/servers/countries" | jq --raw-output '.[] | [.code, .name] | @tsv'
+    local nordvpn_api=$1 country=(${COUNTRY//[;,]/ })
+    if [[ ${#country[@]} -ge 1 ]]; then
+        country=${country[0]//_/ }
+        local country_id=`curl -s "${nordvpn_api}/v1/servers/countries" | jq --raw-output ".[] |
+                          select( (.name|test(\"^${country}$\";\"i\")) or
+                                  (.code|test(\"^${country}$\";\"i\")) ) |
+                          .id" | head -n 1`
+        if [[ -n ${country_id} ]]; then
+            echo "Searching for country : ${country} (${country_id})" > /dev/stderr
+            echo "filters\[country_id\]=${country_id}&"
+        fi
+    fi
+}
+group_filter() { # curl -s "https://api.nordvpn.com/v1/servers/groups" | jq --raw-output '.[] | [.identifier, .title] | @tsv'
+    local nordvpn_api=$1 category=(${CATEGORY//[;,]/ })
+    if [[ ${#category[@]} -ge 1 ]]; then
+        category=${category[0]//_/ }
+        local identifier=`curl -s "${nordvpn_api}/v1/servers/groups" | jq --raw-output ".[] |
+                          select( .title | test(\"${category}\";\"i\") ) |
+                          .identifier" | head -n 1`
+        if [[ -n ${identifier} ]]; then
+            echo "Searching for group: ${identifier}" > /dev/stderr
+            echo "filters\[servers_groups\]\[identifier\]=${identifier}&"
+        fi
+    fi
+}
+
+technology_filter() { # curl -s "https://api.nordvpn.com/v1/technologies" | jq --raw-output '.[] | [.identifier, .name ] | @tsv' | grep openvpn
+    local identifier
+    if [[ ${PROTOCOL,,} =~ .*udp.* ]]; then
+        identifier="openvpn_udp"
+    elif [[ ${PROTOCOL,,} =~ .*tcp.* ]];then
+        identifier="openvpn_tcp"
+    fi
+    if [[ -n ${identifier} ]]; then
+        echo "Searching for technology: ${identifier}" > /dev/stderr
+        echo "filters\[servers_technologies\]\[identifier\]=${identifier}&"
+    fi
+}
+select_hostname() { #TODO return multiples
+    local nordvpn_api="https://api.nordvpn.com" \
+          filters hostname
+
+    echo "Selecting the best server..." > /dev/stderr
+    filters+="$(country_filter ${nordvpn_api})"
+    filters+="$(group_filter ${nordvpn_api})"
+    filters+="$(technology_filter )"
+
+    hostname=`curl -s "${nordvpn_api}/v1/servers/recommendations?${filters}limit=1" | jq --raw-output ".[].hostname"`
+    if [[ -z ${hostname} ]]; then
+        echo "Unable to find a server with the specified parameters, using any recommended server" > /dev/stderr
+        hostname=`curl -s "${nordvpn_api}/v1/servers/recommendations?limit=1" | jq --raw-output ".[].hostname"`
+    fi
+
+    echo "Best server : ${hostname}" > /dev/stderr
+    echo ${hostname}
+}
+
+COUNTRY="United_States"
+
+PROTOCOL="UDP"
+CATEGORY="P2P"
+
+echo "$(select_hostname).${PROTOCOL,,}"

openvpn/start.sh

@@ -32,7 +32,7 @@ if [[ "$OPENVPN_PROVIDER" = "NORDVPN" ]]
 then
     if [[ -z "$OPENVPN_CONFIG" ]]
     then
-        export OPENVPN_CONFIG=$(curl -s 'https://nordvpn.com/wp-admin/admin-ajax.php?action=servers_recommendations' | jq -r '.[0].hostname').udp
+        export OPENVPN_CONFIG=$(./NordVPN.sh)
         echo "Setting best server ${OPENVPN_CONFIG}"
     fi
 fi