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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "flag" | ||
| "fmt" | ||
| "net" | ||
| "net/http" | ||
| "os" | ||
| "sort" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/qdm12/golibs/network" | ||
| "github.com/qdm12/private-internet-access-docker/internal/models" | ||
| ) | ||
|
|
||
| func main() { | ||
| os.Exit(_main()) | ||
| } | ||
|
|
||
| func _main() int { | ||
| provider := flag.String("provider", "nordvpn", "VPN provider to map region to IP addresses using their API, can be 'nordvpn'") | ||
| flag.Parse() | ||
|
|
||
| client := network.NewClient(30 * time.Second) // big file so 30 seconds | ||
| switch *provider { | ||
| case "nordvpn": | ||
| servers, ignoredServers, err := nordvpn(client) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return 1 | ||
| } | ||
| for _, server := range servers { | ||
| fmt.Printf( | ||
| "{Region: %q, Number: %d, TCP: %t, UDP: %t, IP: net.IP{%s}},\n", | ||
| server.Region, server.Number, server.TCP, server.UDP, strings.ReplaceAll(server.IP.String(), ".", ", "), | ||
| ) | ||
| } | ||
| fmt.Print("\n\n") | ||
| for _, serverName := range ignoredServers { | ||
| fmt.Printf("ignored server %q because it does not support both UDP and TCP\n", serverName) | ||
| } | ||
| default: | ||
| fmt.Printf("Provider %q is not supported\n", *provider) | ||
| return 1 | ||
| } | ||
| return 0 | ||
| } | ||
|
|
||
| func nordvpn(client network.Client) (servers []models.NordvpnServer, ignoredServers []string, err error) { | ||
| content, status, err := client.GetContent("https://nordvpn.com/api/server") | ||
| if err != nil { | ||
| return nil, nil, err | ||
| } else if status != http.StatusOK { | ||
| return nil, nil, fmt.Errorf("HTTP status %d from NordVPN API", status) | ||
| } | ||
| response := []struct { | ||
| IPAddress string `json:"ip_address"` | ||
| Name string `json:"name"` | ||
| Country string `json:"country"` | ||
| Features struct { | ||
| UDP bool `json:"openvpn_udp"` | ||
| TCP bool `json:"openvpn_tcp"` | ||
| } `json:"features"` | ||
| }{} | ||
| if err := json.Unmarshal(content, &response); err != nil { | ||
| return nil, nil, err | ||
| } | ||
|
|
||
| for _, element := range response { | ||
| if !element.Features.TCP && !element.Features.UDP { | ||
| ignoredServers = append(ignoredServers, element.Name) | ||
| } | ||
| ip := net.ParseIP(element.IPAddress) | ||
| if ip == nil { | ||
| return nil, nil, fmt.Errorf("IP address %q is not valid for server %q", element.IPAddress, element.Name) | ||
| } | ||
| i := strings.IndexRune(element.Name, '#') | ||
| if i < 0 { | ||
| return nil, nil, fmt.Errorf("No ID in server name %q", element.Name) | ||
| } | ||
| idString := element.Name[i+1:] | ||
| idUint64, err := strconv.ParseUint(idString, 10, 16) | ||
| if err != nil { | ||
| return nil, nil, fmt.Errorf("Bad ID in server name %q", element.Name) | ||
| } | ||
| id := uint16(idUint64) | ||
| server := models.NordvpnServer{ | ||
| Region: element.Country, | ||
| Number: id, | ||
| IP: ip, | ||
| TCP: element.Features.TCP, | ||
| UDP: element.Features.UDP, | ||
| } | ||
| servers = append(servers, server) | ||
| } | ||
| sort.Slice(servers, func(i, j int) bool { | ||
| if servers[i].Region == servers[j].Region { | ||
| return servers[i].Number < servers[j].Number | ||
| } | ||
| return servers[i].Region < servers[j].Region | ||
| }) | ||
| return servers, ignoredServers, nil | ||
| } |
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