feat: implement gname api sdk

internal/pkg/vendors/gname-sdk/client.go

@@ -0,0 +1,162 @@
+package gnamesdk
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/go-resty/resty/v2"
+
+	"github.com/usual2970/certimate/internal/pkg/utils/maps"
+)
+
+type GnameClient struct {
+	appId  string
+	appKey string
+	client *resty.Client
+}
+
+func NewGnameClient(appId, appKey string) *GnameClient {
+	client := resty.New()
+
+	return &GnameClient{
+		appId:  appId,
+		appKey: appKey,
+		client: client,
+	}
+}
+
+func (c *GnameClient) WithTimeout(timeout time.Duration) *GnameClient {
+	c.client.SetTimeout(timeout)
+	return c
+}
+
+func (c *GnameClient) AddDNSRecord(req *AddDNSRecordRequest) (*AddDNSRecordResponse, error) {
+	params := make(map[string]any)
+	jsonData, _ := json.Marshal(req)
+	json.Unmarshal(jsonData, &params)
+
+	result := AddDNSRecordResponse{}
+	err := c.sendRequestWithResult("/api/resolution/add", params, &result)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}
+
+func (c *GnameClient) EditDNSRecord(req *EditDNSRecordRequest) (*EditDNSRecordResponse, error) {
+	params := make(map[string]any)
+	jsonData, _ := json.Marshal(req)
+	json.Unmarshal(jsonData, &params)
+
+	result := EditDNSRecordResponse{}
+	err := c.sendRequestWithResult("/api/resolution/edit", params, &result)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}
+
+func (c *GnameClient) DeleteDNSRecord(req *DeleteDNSRecordRequest) (*DeleteDNSRecordResponse, error) {
+	params := make(map[string]any)
+	jsonData, _ := json.Marshal(req)
+	json.Unmarshal(jsonData, &params)
+
+	result := DeleteDNSRecordResponse{}
+	err := c.sendRequestWithResult("/api/resolution/delete", params, &result)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}
+
+func (c *GnameClient) ListDNSRecord(req *ListDNSRecordRequest) (*ListDNSRecordResponse, error) {
+	params := make(map[string]any)
+	jsonData, _ := json.Marshal(req)
+	json.Unmarshal(jsonData, &params)
+
+	result := ListDNSRecordResponse{}
+	err := c.sendRequestWithResult("/api/resolution/list", params, &result)
+	if err != nil {
+		return nil, err
+	}
+	return &result, nil
+}
+
+func (c *GnameClient) generateSignature(params map[string]string) string {
+	// Step 1: Sort parameters by ASCII order
+	var keys []string
+	for k := range params {
+		keys = append(keys, k)
+	}
+	sort.Strings(keys)
+
+	// Step 2: Create string A with URL-encoded values
+	var pairs []string
+	for _, k := range keys {
+		encodedValue := url.QueryEscape(params[k])
+		pairs = append(pairs, fmt.Sprintf("%s=%s", k, encodedValue))
+	}
+	stringA := strings.Join(pairs, "&")
+
+	// Step 3: Append appkey to create string B
+	stringB := stringA + c.appKey
+
+	// Step 4: Calculate MD5 and convert to uppercase
+	hash := md5.Sum([]byte(stringB))
+	return strings.ToUpper(fmt.Sprintf("%x", hash))
+}
+
+func (c *GnameClient) sendRequest(path string, params map[string]any) (*resty.Response, error) {
+	if params == nil {
+		params = make(map[string]any)
+	}
+
+	data := make(map[string]string)
+	for k, v := range params {
+		data[k] = fmt.Sprintf("%v", v)
+	}
+	data["appid"] = c.appId
+	data["gntime"] = fmt.Sprintf("%d", time.Now().Unix())
+	data["gntoken"] = c.generateSignature(data)
+
+	url := "https://api.gname.com" + path
+	req := c.client.R().
+		SetHeader("Content-Type", "application/x-www-form-urlencoded").
+		SetFormData(data)
+	resp, err := req.Post(url)
+	if err != nil {
+		return nil, fmt.Errorf("failed to send request: %w", err)
+	}
+
+	if resp.IsError() {
+		return nil, fmt.Errorf("unexpected status code: %d, %s", resp.StatusCode(), resp.Body())
+	}
+
+	return resp, nil
+}
+
+func (c *GnameClient) sendRequestWithResult(path string, params map[string]any, result BaseResponse) error {
+	resp, err := c.sendRequest(path, params)
+	if err != nil {
+		return err
+	}
+
+	jsonResp := make(map[string]any)
+	if err := json.Unmarshal(resp.Body(), &jsonResp); err != nil {
+		return fmt.Errorf("failed to parse response: %w", err)
+	}
+	if err := maps.Decode(jsonResp, &result); err != nil {
+		return fmt.Errorf("failed to parse response: %w", err)
+	}
+
+	if result.GetCode() != 1 {
+		return fmt.Errorf("API error: %s", result.GetMsg())
+	}
+
+	return nil
+}