feat: backend support for ratpanel

internal/pkg/sdk3rd/ratpanel/api.go

@@ -0,0 +1,15 @@
+package btpanelsdk
+
+import "net/http"
+
+func (c *Client) SettingCert(req *SettingCertRequest) (*SettingCertResponse, error) {
+	resp := &SettingCertResponse{}
+	err := c.sendRequestWithResult(http.MethodPost, "/setting/cert", req, resp)
+	return resp, err
+}
+
+func (c *Client) WebsiteCert(req *SiteCertRequest) (*SiteCertResponse, error) {
+	resp := &SiteCertResponse{}
+	err := c.sendRequestWithResult(http.MethodPost, "/website/cert", req, resp)
+	return resp, err
+}

internal/pkg/sdk3rd/ratpanel/client.go

@@ -0,0 +1,145 @@
+package btpanelsdk
+
+import (
+	"bytes"
+	"crypto/hmac"
+	"crypto/sha256"
+	"crypto/tls"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+	"time"
+
+	"github.com/go-resty/resty/v2"
+)
+
+type Client struct {
+	client *resty.Client
+}
+
+func NewClient(apiHost string, accessTokenId uint, accessToken string) *Client {
+	client := resty.New().
+		SetBaseURL(strings.TrimRight(apiHost, "/")+"/api").
+		SetHeader("Accept", "application/json").
+		SetHeader("Content-Type", "application/json").
+		SetPreRequestHook(func(c *resty.Client, req *http.Request) error {
+			var body []byte
+			var err error
+
+			if req.Body != nil {
+				body, err = io.ReadAll(req.Body)
+				if err != nil {
+					return err
+				}
+				req.Body = io.NopCloser(bytes.NewReader(body))
+			}
+
+			canonicalPath := req.URL.Path
+			if !strings.HasPrefix(canonicalPath, "/api") {
+				index := strings.Index(canonicalPath, "/api")
+				if index != -1 {
+					canonicalPath = canonicalPath[index:]
+				}
+			}
+
+			canonicalRequest := fmt.Sprintf("%s\n%s\n%s\n%s",
+				req.Method,
+				canonicalPath,
+				req.URL.Query().Encode(),
+				sha256Sum(string(body)))
+
+			timestamp := time.Now().Unix()
+			req.Header.Set("X-Timestamp", fmt.Sprintf("%d", timestamp))
+
+			stringToSign := fmt.Sprintf("%s\n%d\n%s",
+				"HMAC-SHA256",
+				timestamp,
+				sha256Sum(canonicalRequest))
+			signature := hmacSha256(stringToSign, accessToken)
+			req.Header.Set("Authorization", fmt.Sprintf("HMAC-SHA256 Credential=%d, Signature=%s", accessTokenId, signature))
+
+			return nil
+		})
+
+	return &Client{
+		client: client,
+	}
+}
+
+func (c *Client) WithTimeout(timeout time.Duration) *Client {
+	c.client.SetTimeout(timeout)
+	return c
+}
+
+func (c *Client) WithTLSConfig(config *tls.Config) *Client {
+	c.client.SetTLSClientConfig(config)
+	return c
+}
+
+func (c *Client) sendRequest(method string, path string, params interface{}) (*resty.Response, error) {
+	req := c.client.R()
+	req.Method = method
+	req.URL = path
+	if strings.EqualFold(method, http.MethodGet) {
+		qs := make(map[string]string)
+		if params != nil {
+			temp := make(map[string]any)
+			jsonb, _ := json.Marshal(params)
+			json.Unmarshal(jsonb, &temp)
+			for k, v := range temp {
+				if v != nil {
+					qs[k] = fmt.Sprintf("%v", v)
+				}
+			}
+		}
+
+		req = req.SetQueryParams(qs)
+	} else {
+		req = req.
+			SetHeader("Content-Type", "application/json").
+			SetBody(params)
+	}
+
+	resp, err := req.Send()
+	if err != nil {
+		return resp, fmt.Errorf("ratpanel api error: failed to send request: %w", err)
+	} else if resp.IsError() {
+		return resp, fmt.Errorf("ratpanel api error: unexpected status code: %d, resp: %s", resp.StatusCode(), resp.Body())
+	}
+
+	return resp, nil
+}
+
+func (c *Client) sendRequestWithResult(method string, path string, params interface{}, result BaseResponse) error {
+	resp, err := c.sendRequest(method, path, params)
+	if err != nil {
+		if resp != nil {
+			json.Unmarshal(resp.Body(), &result)
+		}
+		return err
+	}
+
+	if err = json.Unmarshal(resp.Body(), &result); err != nil {
+		return fmt.Errorf("ratpanel api error: failed to parse response: %w", err)
+	} else if errmessage := result.GetMessage(); errmessage != "success" {
+		return fmt.Errorf("ratpanel api error: %d - %s", resp.StatusCode(), errmessage)
+	}
+
+	return nil
+}
+
+func sha256Sum(str string) string {
+	sum := sha256.Sum256([]byte(str))
+	dst := make([]byte, hex.EncodedLen(len(sum)))
+	hex.Encode(dst, sum[:])
+	return string(dst)
+}
+
+func hmacSha256(data string, secret string) string {
+	h := hmac.New(sha256.New, []byte(secret))
+	h.Write([]byte(data))
+	return hex.EncodeToString(h.Sum(nil))
+}

internal/pkg/sdk3rd/ratpanel/models.go

@@ -0,0 +1,35 @@
+package btpanelsdk
+
+type BaseResponse interface {
+	GetMessage() string
+}
+
+type baseResponse struct {
+	Message *string `json:"msg,omitempty"`
+}
+
+func (r *baseResponse) GetMessage() string {
+	if r.Message != nil {
+		return *r.Message
+	}
+	return ""
+}
+
+type SettingCertRequest struct {
+	Certificate string `json:"cert"`
+	PrivateKey  string `json:"key"`
+}
+
+type SettingCertResponse struct {
+	baseResponse
+}
+
+type WebsiteCertRequest struct {
+	SiteName    string `json:"name"`
+	Certificate string `json:"cert"`
+	PrivateKey  string `json:"key"`
+}
+
+type WebsiteCertResponse struct {
+	baseResponse
+}