fix(protonvpn): set free field for free servers

internal/provider/protonvpn/updater/iptoserver.go

@@ -10,7 +10,7 @@ import (
 type ipToServer map[string]models.Server
 
 func (its ipToServer) add(country, region, city, name, hostname string,
-	entryIP net.IP) {
+	free bool, entryIP net.IP) {
 	key := entryIP.String()
 
 	server, ok := its[key]
@@ -24,6 +24,7 @@ func (its ipToServer) add(country, region, city, name, hostname string,
 	server.City = city
 	server.ServerName = name
 	server.Hostname = hostname
+	server.Free = free
 	server.UDP = true
 	server.TCP = true
 	server.IPs = []net.IP{entryIP}

internal/provider/protonvpn/updater/servers.go

@@ -6,6 +6,7 @@ import (
 	"context"
 	"fmt"
 	"sort"
+	"strings"
 
 	"github.com/qdm12/gluetun/internal/constants"
 	"github.com/qdm12/gluetun/internal/models"
@@ -47,6 +48,12 @@ func (u *Updater) FetchServers(ctx context.Context, minServers int) (
 			hostname := physicalServer.Domain
 			entryIP := physicalServer.EntryIP
 
+			lowerCaseName := strings.ToLower(name)
+			var free bool
+			if strings.Contains(hostname, "free") || strings.Contains(lowerCaseName, "free") {
+				free = true
+			}
+
 			// Note: for multi-hop use the server name or hostname
 			// instead of the country
 			countryCode := logicalServer.ExitCountry
@@ -55,7 +62,7 @@ func (u *Updater) FetchServers(ctx context.Context, minServers int) (
 				u.warner.Warn(warning)
 			}
 
-			ipToServer.add(country, region, city, name, hostname, entryIP)
+			ipToServer.add(country, region, city, name, hostname, free, entryIP)
 		}
 	}
 

internal/storage/servers.json

@@ -106773,7 +106773,7 @@
   },
   "protonvpn": {
     "version": 4,
-    "timestamp": 1655576932,
+    "timestamp": 1655576953,
     "servers": [
       {
         "vpn": "openvpn",
@@ -108586,6 +108586,7 @@
         "hostname": "node-jp-13.protonvpn.net",
         "tcp": true,
         "udp": true,
+        "free": true,
         "ips": [
           "45.14.71.5"
         ]
@@ -109016,6 +109017,7 @@
         "hostname": "node-nl-17.protonvpn.net",
         "tcp": true,
         "udp": true,
+        "free": true,
         "ips": [
           "192.40.57.231"
         ]
@@ -111183,6 +111185,7 @@
         "hostname": "node-us-41.protonvpn.net",
         "tcp": true,
         "udp": true,
+        "free": true,
         "ips": [
           "172.98.93.226"
         ]