mirror of
https://github.com/fatedier/frp.git
synced 2024-12-14 02:31:21 +01:00
206 lines
4.6 KiB
Go
206 lines
4.6 KiB
Go
package util
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import (
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net"
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"net/http"
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"net/url"
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"strings"
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"time"
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"github.com/fatedier/frp/client"
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frpNet "github.com/fatedier/frp/utils/net"
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)
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func GetProxyStatus(statusAddr string, user string, passwd string, name string) (status *client.ProxyStatusResp, err error) {
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req, err := http.NewRequest("GET", "http://"+statusAddr+"/api/status", nil)
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if err != nil {
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return status, err
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}
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authStr := "Basic " + base64.StdEncoding.EncodeToString([]byte(user+":"+passwd))
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req.Header.Add("Authorization", authStr)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return status, err
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} else {
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if resp.StatusCode != 200 {
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return status, fmt.Errorf("admin api status code [%d]", resp.StatusCode)
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return status, err
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}
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allStatus := &client.StatusResp{}
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err = json.Unmarshal(body, &allStatus)
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if err != nil {
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return status, fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(string(body)))
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}
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for _, s := range allStatus.Tcp {
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if s.Name == name {
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return &s, nil
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}
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}
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for _, s := range allStatus.Udp {
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if s.Name == name {
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return &s, nil
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}
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}
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for _, s := range allStatus.Http {
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if s.Name == name {
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return &s, nil
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}
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}
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for _, s := range allStatus.Https {
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if s.Name == name {
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return &s, nil
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}
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}
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for _, s := range allStatus.Stcp {
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if s.Name == name {
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return &s, nil
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}
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}
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for _, s := range allStatus.Xtcp {
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if s.Name == name {
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return &s, nil
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}
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}
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}
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return status, errors.New("no proxy status found")
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}
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func ReloadConf(reloadAddr string, user string, passwd string) error {
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req, err := http.NewRequest("GET", "http://"+reloadAddr+"/api/reload", nil)
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if err != nil {
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return err
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}
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authStr := "Basic " + base64.StdEncoding.EncodeToString([]byte(user+":"+passwd))
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req.Header.Add("Authorization", authStr)
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return err
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} else {
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if resp.StatusCode != 200 {
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return fmt.Errorf("admin api status code [%d]", resp.StatusCode)
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}
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defer resp.Body.Close()
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io.Copy(ioutil.Discard, resp.Body)
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}
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return nil
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}
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func SendTcpMsg(addr string, msg string) (res string, err error) {
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c, err := frpNet.ConnectTcpServer(addr)
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if err != nil {
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err = fmt.Errorf("connect to tcp server error: %v", err)
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return
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}
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defer c.Close()
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return SendTcpMsgByConn(c, msg)
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}
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func SendTcpMsgByConn(c net.Conn, msg string) (res string, err error) {
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timer := time.Now().Add(5 * time.Second)
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c.SetDeadline(timer)
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c.Write([]byte(msg))
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buf := make([]byte, 2048)
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n, errRet := c.Read(buf)
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if errRet != nil {
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err = fmt.Errorf("read from tcp server error: %v", errRet)
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return
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}
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return string(buf[:n]), nil
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}
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func SendUdpMsg(addr string, msg string) (res string, err error) {
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udpAddr, errRet := net.ResolveUDPAddr("udp", addr)
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if errRet != nil {
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err = fmt.Errorf("resolve udp addr error: %v", err)
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return
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}
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conn, errRet := net.DialUDP("udp", nil, udpAddr)
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if errRet != nil {
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err = fmt.Errorf("dial udp server error: %v", err)
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return
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}
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defer conn.Close()
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_, err = conn.Write([]byte(msg))
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if err != nil {
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err = fmt.Errorf("write to udp server error: %v", err)
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return
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}
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buf := make([]byte, 2048)
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n, errRet := conn.Read(buf)
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if errRet != nil {
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err = fmt.Errorf("read from udp server error: %v", err)
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return
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}
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return string(buf[:n]), nil
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}
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func SendHttpMsg(method, urlStr string, host string, headers map[string]string, proxy string) (code int, body string, header http.Header, err error) {
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req, errRet := http.NewRequest(method, urlStr, nil)
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if errRet != nil {
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err = errRet
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return
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}
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if host != "" {
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req.Host = host
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}
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for k, v := range headers {
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req.Header.Set(k, v)
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}
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tr := &http.Transport{
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DialContext: (&net.Dialer{
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Timeout: 30 * time.Second,
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KeepAlive: 30 * time.Second,
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DualStack: true,
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}).DialContext,
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MaxIdleConns: 100,
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IdleConnTimeout: 90 * time.Second,
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TLSHandshakeTimeout: 10 * time.Second,
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ExpectContinueTimeout: 1 * time.Second,
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}
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if len(proxy) != 0 {
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tr.Proxy = func(req *http.Request) (*url.URL, error) {
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return url.Parse(proxy)
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}
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}
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client := http.Client{
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Transport: tr,
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}
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resp, errRet := client.Do(req)
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if errRet != nil {
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err = errRet
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return
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}
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code = resp.StatusCode
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header = resp.Header
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buf, errRet := ioutil.ReadAll(resp.Body)
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if errRet != nil {
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err = errRet
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return
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}
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body = string(buf)
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return
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}
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func BasicAuth(username, passwd string) string {
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auth := username + ":" + passwd
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return "Basic " + base64.StdEncoding.EncodeToString([]byte(auth))
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}
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