Merge pull request #728 from Troubadoure/master

Integrated with NordVPN api to select recommend server based on criteria

Dockerfile

@@ -48,6 +48,9 @@ ADD scripts /etc/scripts/
 ENV OPENVPN_USERNAME=**None** \
     OPENVPN_PASSWORD=**None** \
     OPENVPN_PROVIDER=**None** \
+    NORDVPN_COUNTRY= \
+    NORDVPN_PROTOCOL=TCP \
+    NORDVPN_CATEGORY=P2P \
     GLOBAL_APPLY_PERMISSIONS=true \
     TRANSMISSION_ALT_SPEED_DOWN=50 \
     TRANSMISSION_ALT_SPEED_ENABLED=false \

openvpn/nordvpn/NordVPN_Server_Selector.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+country_filter() { # curl -s "https://api.nordvpn.com/v1/servers/countries" | jq --raw-output '.[] | [.code, .name] | @tsv'
+    local nordvpn_api=$1 country=(${NORDVPN_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=$1 category=(${NORDVPN_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 [[ ${NORDVPN_PROTOCOL,,} =~ .*udp.* ]]; then
+        identifier="openvpn_udp"
+    elif [[ ${NORDVPN_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 ${hostname}
+}
+
+# Select recommended VPN
+echo "$(select_hostname).${NORDVPN_PROTOCOL,,}"

openvpn/nordvpn/updateConfigs.sh

@@ -1,5 +1,4 @@
 #!/bin/bash
-
 set -e
 TIME_FORMAT=`date "+%Y-%m-%d %H:%M:%S"`
 
@@ -21,8 +20,8 @@ script_init() {
     log "Checking curl installation"
     script_needs curl
 
-    log "Checking dos2unix installation"
+    # log "Checking dos2unix installation"
-    script_needs dos2unix
+    # script_needs dos2unix
 
     log "Checking unzip installation"
     script_needs unzip
@@ -31,20 +30,23 @@ script_init() {
 script_init
 
 # If the script is called from elsewhere
-cd "${0%/*}"
+cd "${VPN_PROVIDER_CONFIGS}"
 
 # Delete everything (not this script though)
 log "Removing existing configs"
-find . ! -name '*.sh' -delete
+find . ! -name '*.sh' -type f -delete
 
 # Get updated configuration zip
 log "Downloading latest configs"
 curl -skL https://downloads.nordcdn.com/configs/archives/servers/ovpn.zip -o openvpn.zip \
   && unzip -j openvpn.zip $1 >/dev/null 2>&1 && rm openvpn.zip
 
+
 # Ensure linux line endings
 log "Checking line endings"
-dos2unix * $1 >/dev/null 2>&1
+# dos2unix * $1 >/dev/null 2>&1
+# find . -name '*.ovpn' -type f -print 0 | xargs -0 sed -i 's/^M$//'
+find ${VPN_PROVIDER_CONFIGS} -name '*.ovpn' -type f -exec sed -i 's/^M$//' {} \;
 
 # Update configs with correct options
 log "Updating configs for docker-transmission-openvpn"
@@ -58,3 +60,5 @@ sed -i 's/ping-timer-rem//g' *.ovpn
 random_config=$(ls uk*udp* | sort -R | head -n1)
 log "Setting default.ovpn to $random_config"
 ln -s $random_config default.ovpn
+
+cd "${0%/*}"

openvpn/start.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 VPN_PROVIDER="${OPENVPN_PROVIDER,,}"
 VPN_PROVIDER_CONFIGS="/etc/openvpn/${VPN_PROVIDER}"
+export VPN_PROVIDER_CONFIGS
 
 # If create_tun_device is set, create /dev/net/tun
 if [[ "${CREATE_TUN_DEVICE,,}" == "true" ]]; then
@@ -32,7 +33,9 @@ if [[ "$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
+        # Update config files
+        . ${VPN_PROVIDER_CONFIGS}/updateConfigs.sh
+        export OPENVPN_CONFIG=$(${VPN_PROVIDER_CONFIGS}/NordVPN_Server_Selector.sh)
         echo "Setting best server ${OPENVPN_CONFIG}"
     fi
 fi