frp/pkg/sdk/client/client.go

141 lines
3.2 KiB
Go

package client
import (
"context"
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"net/url"
"strconv"
"strings"
"github.com/fatedier/frp/client"
httppkg "github.com/fatedier/frp/pkg/util/http"
)
type Client struct {
address string
authUser string
authPwd string
}
func New(host string, port int) *Client {
return &Client{
address: net.JoinHostPort(host, strconv.Itoa(port)),
}
}
func (c *Client) SetAuth(user, pwd string) {
c.authUser = user
c.authPwd = pwd
}
func (c *Client) GetProxyStatus(ctx context.Context, name string) (*client.ProxyStatusResp, error) {
req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/status", nil)
if err != nil {
return nil, err
}
content, err := c.do(req)
if err != nil {
return nil, err
}
allStatus := make(client.StatusResp)
if err = json.Unmarshal([]byte(content), &allStatus); err != nil {
return nil, fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(content))
}
for _, pss := range allStatus {
for _, ps := range pss {
if ps.Name == name {
return &ps, nil
}
}
}
return nil, fmt.Errorf("no proxy status found")
}
func (c *Client) GetAllProxyStatus(ctx context.Context) (client.StatusResp, error) {
req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/status", nil)
if err != nil {
return nil, err
}
content, err := c.do(req)
if err != nil {
return nil, err
}
allStatus := make(client.StatusResp)
if err = json.Unmarshal([]byte(content), &allStatus); err != nil {
return nil, fmt.Errorf("unmarshal http response error: %s", strings.TrimSpace(content))
}
return allStatus, nil
}
func (c *Client) Reload(ctx context.Context, strictMode bool) error {
v := url.Values{}
if strictMode {
v.Set("strictConfig", "true")
}
queryStr := ""
if len(v) > 0 {
queryStr = "?" + v.Encode()
}
req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/reload"+queryStr, nil)
if err != nil {
return err
}
_, err = c.do(req)
return err
}
func (c *Client) Stop(ctx context.Context) error {
req, err := http.NewRequestWithContext(ctx, "POST", "http://"+c.address+"/api/stop", nil)
if err != nil {
return err
}
_, err = c.do(req)
return err
}
func (c *Client) GetConfig(ctx context.Context) (string, error) {
req, err := http.NewRequestWithContext(ctx, "GET", "http://"+c.address+"/api/config", nil)
if err != nil {
return "", err
}
return c.do(req)
}
func (c *Client) UpdateConfig(ctx context.Context, content string) error {
req, err := http.NewRequestWithContext(ctx, "PUT", "http://"+c.address+"/api/config", strings.NewReader(content))
if err != nil {
return err
}
_, err = c.do(req)
return err
}
func (c *Client) setAuthHeader(req *http.Request) {
if c.authUser != "" || c.authPwd != "" {
req.Header.Set("Authorization", httppkg.BasicAuth(c.authUser, c.authPwd))
}
}
func (c *Client) do(req *http.Request) (string, error) {
c.setAuthHeader(req)
resp, err := http.DefaultClient.Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return "", fmt.Errorf("api status code [%d]", resp.StatusCode)
}
buf, err := io.ReadAll(resp.Body)
if err != nil {
return "", err
}
return string(buf), nil
}