├── .gitignore ├── .travis.yml ├── LICENSE ├── Makefile ├── README.md ├── ipapi └── client.go ├── main.go └── vpn └── client.go /.gitignore: -------------------------------------------------------------------------------- 1 | # Binaries for programs and plugins 2 | *.exe 3 | *.exe~ 4 | *.dll 5 | *.so 6 | *.dylib 7 | 8 | # Test binary, build with `go test -c` 9 | *.test 10 | 11 | # Output of the go coverage tool, specifically when used with LiteIDE 12 | *.out 13 | 14 | # IDEA 15 | *.iml 16 | .idea/ 17 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: go 2 | 3 | go: 4 | - tip -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | build: clean-code install 2 | 3 | clean-code: 4 | go get golang.org/x/tools/cmd/goimports && goimports -w . 5 | gofmt -s -w . 6 | go get golang.org/x/lint/golint && golint -set_exit_status ./... 7 | 8 | install: 9 | go get -v github.com/mtojek/ohlavpn 10 | 11 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # ohlavpn 2 | 3 | [![Build Status](https://travis-ci.org/mtojek/ohlavpn.svg?branch=master)](https://travis-ci.org/mtojek/ohlavpn) 4 | 5 | Status: **Done** 6 | 7 | **Find working VPN proxy all over the world** 8 | 9 | Use Hola VPN API to grab a list of fast VPN proxy servers all over the world. Use the IP-API endpoint to check their geolocation and owners (mind the service limits). 10 | 11 | ## Disclaimer 12 | 13 | **This project is only for educational purposes. Please do not overuse the Hola VPN infrastructure or avoid Netflix limits.** 14 | 15 | ## Getting started 16 | 17 | ``` 18 | $ go get github.com/mtojek/ohlavpn 19 | $ ohlavpn -h 20 | Usage of ohlavpn: 21 | -c string 22 | country code (default "us") 23 | -g check GeoIP data 24 | -l int 25 | proxy server limit (default 5) 26 | ``` 27 | 28 | ### First steps 29 | 30 | Fetch active French proxy servers: 31 | 32 | ``` 33 | $ ohlavpn -c fr -l 5 -g 34 | https://user-uuid-2188652440aa480b9b789bc8ba5a2882:5db3017a5b01@159.203.90.106:22222 AS14061 DigitalOcean, LLC Clifton United States DigitalOcean, LLC Digital Ocean New Jersey 07014 35 | https://user-uuid-2188652440aa480b9b789bc8ba5a2882:5db3017a5b01@184.164.147.6:22222 AS20454 SECURED SERVERS LLC Tempe United States Secured Servers LLC Secured Servers LLC Arizona 85281 36 | https://user-uuid-2188652440aa480b9b789bc8ba5a2882:5db3017a5b01@66.85.140.5:22222 AS20454 SECURED SERVERS LLC Phoenix United States Secured Servers LLC Dolorem Ipsum, s.r.o Arizona 85001 37 | https://user-uuid-2188652440aa480b9b789bc8ba5a2882:5db3017a5b01@184.164.146.16:22222 AS20454 SECURED SERVERS LLC Tempe United States Secured Servers LLC Secured Servers LLC Arizona 85281 38 | https://user-uuid-2188652440aa480b9b789bc8ba5a2882:5db3017a5b01@184.164.133.43:22222 AS20454 SECURED SERVERS LLC Tempe United States Secured Servers LLC Secured Servers LLC Arizona 85281 39 | ``` 40 | -------------------------------------------------------------------------------- /ipapi/client.go: -------------------------------------------------------------------------------- 1 | package ipapi 2 | 3 | import ( 4 | "crypto/tls" 5 | "encoding/json" 6 | "fmt" 7 | "net/http" 8 | "net/url" 9 | "time" 10 | ) 11 | 12 | const baseURI = "http://ip-api.com/json" 13 | 14 | // Client is responsible for calling IP-API. 15 | type Client struct { 16 | httpClient *http.Client 17 | } 18 | 19 | // GeoIPData stores geolocation data. 20 | type GeoIPData struct { 21 | As string 22 | City string 23 | Country string 24 | ISP string 25 | Org string 26 | RegionName string 27 | Zip string 28 | } 29 | 30 | // String method returns string representative of the struct. 31 | func (g *GeoIPData) String() string { 32 | return fmt.Sprintf("%s\t%s\t%s\t%s\t\t%s\t%s\t%s", g.As, g.City, g.Country, g.ISP, g.Org, g.RegionName, 33 | g.Zip) 34 | } 35 | 36 | // NewClient creates new instance of the IP-API client. 37 | func NewClient() *Client { 38 | return &Client{ 39 | httpClient: http.DefaultClient, 40 | } 41 | } 42 | 43 | // WithProxy method uses given proxy server to tunnel HTTP requests to IP-API. 44 | func (c *Client) WithProxy(anURL *url.URL) *Client { 45 | pu := http.ProxyURL(anURL) 46 | c.httpClient = &http.Client{ 47 | Transport: &http.Transport{ 48 | Proxy: pu, 49 | TLSClientConfig: &tls.Config{InsecureSkipVerify: true}, 50 | }, 51 | Timeout: 5 * time.Second, 52 | } 53 | return c 54 | } 55 | 56 | // GeoIP method returns geolocation data. 57 | func (c *Client) GeoIP(ip string) (*GeoIPData, error) { 58 | response, err := c.httpClient.Get(baseURI + "/" + ip) 59 | if err != nil { 60 | return nil, err 61 | } 62 | 63 | defer response.Body.Close() 64 | var r GeoIPData 65 | 66 | err = json.NewDecoder(response.Body).Decode(&r) 67 | if err != nil { 68 | return nil, err 69 | } 70 | 71 | return &r, nil 72 | } 73 | -------------------------------------------------------------------------------- /main.go: -------------------------------------------------------------------------------- 1 | package main 2 | 3 | import ( 4 | "flag" 5 | "fmt" 6 | "log" 7 | 8 | "github.com/mtojek/ohlavpn/ipapi" 9 | "github.com/mtojek/ohlavpn/vpn" 10 | ) 11 | 12 | func main() { 13 | var countryCode string 14 | var limit int 15 | var geoIP bool 16 | var verify bool 17 | 18 | flag.StringVar(&countryCode, "c", "us", "country code") 19 | flag.IntVar(&limit, "l", 5, "proxy server limit") 20 | flag.BoolVar(&geoIP, "g", false, "check GeoIP data") 21 | flag.BoolVar(&verify, "v", false, "verify proxy connectivity") 22 | flag.Parse() 23 | 24 | vpnClient := vpn.NewClient() 25 | err := vpnClient.Initialize() 26 | if err != nil { 27 | log.Fatalf("Error occurred while initializing VPN API vpnClient: %v", err) 28 | } 29 | 30 | tunnels, err := vpnClient.FindTunnels(countryCode, limit) 31 | if err != nil { 32 | log.Fatalf("Error occurred while finding VPN tunnels: %v", err) 33 | } 34 | 35 | if len(tunnels.Servers) == 0 { 36 | log.Fatal("No proxy servers found") 37 | } 38 | 39 | for _, tunnel := range tunnels.Servers { 40 | fmt.Print(tunnel.String()) 41 | 42 | if geoIP { 43 | ipAPIClient := ipapi.NewClient() 44 | if verify { 45 | ipAPIClient = ipAPIClient.WithProxy(tunnel.URL()) 46 | } 47 | 48 | geoIPData, err := ipAPIClient.GeoIP(tunnel.Host) 49 | if err != nil { 50 | fmt.Printf("\terror checking GeoIP data: %v", err) 51 | } else { 52 | fmt.Printf("\t%v", geoIPData.String()) 53 | } 54 | } 55 | 56 | fmt.Println() 57 | } 58 | } 59 | -------------------------------------------------------------------------------- /vpn/client.go: -------------------------------------------------------------------------------- 1 | package vpn 2 | 3 | import ( 4 | "encoding/json" 5 | "fmt" 6 | "log" 7 | "net/http" 8 | "net/url" 9 | "strings" 10 | 11 | "github.com/google/uuid" 12 | ) 13 | 14 | const ( 15 | baseURI = "https://client.hola.org/client_cgi" 16 | 17 | browser = "chrome" 18 | extVer = "1.125.157" 19 | rmtVer = "1.2.676" 20 | ) 21 | 22 | // Client is responsible for calling Hola VPN API. 23 | type Client struct { 24 | uuid string 25 | key string 26 | } 27 | 28 | // Tunnels stores information about proxy servers 29 | type Tunnels struct { 30 | Servers []TunnelSettings 31 | } 32 | 33 | // TunnelSettings stores tunnel related settings. 34 | type TunnelSettings struct { 35 | Login string 36 | Password string 37 | 38 | Host string 39 | Port string 40 | Proto string 41 | } 42 | 43 | // String method returns string representative of the struct. 44 | func (ts *TunnelSettings) String() string { 45 | return fmt.Sprintf("%s://%s:%s@%s:%s", ts.Proto, ts.Login, ts.Password, ts.Host, ts.Port) 46 | } 47 | 48 | // URL method returns URI representative of the struct. 49 | func (ts *TunnelSettings) URL() *url.URL { 50 | proxyURL, err := url.Parse(ts.String()) 51 | if err != nil { 52 | log.Fatalf("URL must be parsed: %v", err) 53 | } 54 | return proxyURL 55 | } 56 | 57 | type initializeResponse struct { 58 | Key int 59 | } 60 | 61 | type zGetTunnelsResponse struct { 62 | Ztun map[string][]string 63 | IPList map[string]string `json:"ip_list"` 64 | Protocol map[string]string 65 | AgentKey string `json:"agent_key"` 66 | } 67 | 68 | // NewClient creates new instance of the VPN client. 69 | func NewClient() *Client { 70 | return &Client{ 71 | uuid: strings.Replace(uuid.New().String(), "-", "", -1), 72 | } 73 | } 74 | 75 | // Initialize method opens new session with the remote API. 76 | func (c *Client) Initialize() error { 77 | response, err := http.PostForm(baseURI+"/background_init", url.Values{ 78 | "login": []string{"1"}, 79 | "flags": []string{"0"}, 80 | "ver": []string{extVer}, 81 | "uuid": []string{c.uuid}, 82 | }) 83 | if err != nil { 84 | return err 85 | } 86 | 87 | defer response.Body.Close() 88 | var r initializeResponse 89 | 90 | err = json.NewDecoder(response.Body).Decode(&r) 91 | if err != nil { 92 | return err 93 | } 94 | 95 | c.key = fmt.Sprintf("%d", r.Key) 96 | return nil 97 | } 98 | 99 | // FindTunnels method returns available proxy servers. 100 | func (c *Client) FindTunnels(countryCode string, limit int) (*Tunnels, error) { 101 | u := baseURI + "/zgettunnels?" + "uuid=" + c.uuid + "&session_key=" + c.key + 102 | "&country=" + countryCode + "&rmt_ver=" + rmtVer + "&ext_ver=" + extVer + "&browser=" + browser + 103 | "&product=cws" + "&lccgi=1" + fmt.Sprintf("&limit=%d", limit) 104 | response, err := http.Get(u) 105 | defer response.Body.Close() 106 | var r zGetTunnelsResponse 107 | 108 | err = json.NewDecoder(response.Body).Decode(&r) 109 | if err != nil { 110 | return nil, err 111 | } 112 | 113 | login := fmt.Sprintf("user-uuid-%s", c.uuid) 114 | password := r.AgentKey 115 | 116 | tunnels := &Tunnels{ 117 | Servers: []TunnelSettings{}, 118 | } 119 | 120 | proxyEndpoints, ok := r.Ztun[countryCode] 121 | if ok { 122 | for _, endpoint := range proxyEndpoints { 123 | endpointSplit := strings.SplitN(endpoint, " ", 2) 124 | hostPort := endpointSplit[1] 125 | 126 | hostPortSplit := strings.SplitN(hostPort, ":", 2) 127 | hostname := hostPortSplit[0] 128 | port := hostPortSplit[1] 129 | 130 | ipAddress, foundIPAddress := r.IPList[hostname] 131 | if !foundIPAddress { 132 | return nil, fmt.Errorf("IP address not found (hostname: %s)", hostname) 133 | } 134 | 135 | protocol, foundProtocol := r.Protocol[hostname] 136 | if !foundProtocol { 137 | return nil, fmt.Errorf("protocol not found (hostname: %s)", hostname) 138 | } 139 | 140 | tunnels.Servers = append(tunnels.Servers, TunnelSettings{ 141 | Login: login, 142 | Password: password, 143 | 144 | Host: ipAddress, 145 | Port: port, 146 | Proto: protocol, 147 | }) 148 | } 149 | } 150 | 151 | return tunnels, nil 152 | } 153 | --------------------------------------------------------------------------------