mirror of
https://github.com/usual2970/certimate.git
synced 2025-06-08 05:29:51 +00:00
105 lines
2.5 KiB
Go
105 lines
2.5 KiB
Go
package gname
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import (
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"crypto/md5"
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"encoding/json"
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"fmt"
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"net/url"
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"sort"
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"strings"
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"time"
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"github.com/go-resty/resty/v2"
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)
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type Client struct {
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appId string
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appKey string
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client *resty.Client
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}
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func NewClient(appId, appKey string) *Client {
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client := resty.New().
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SetBaseURL("http://api.gname.com").
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SetHeader("Content-Type", "application/x-www-form-urlencoded").
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SetHeader("User-Agent", "certimate")
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return &Client{
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appId: appId,
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appKey: appKey,
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client: client,
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}
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}
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func (c *Client) WithTimeout(timeout time.Duration) *Client {
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c.client.SetTimeout(timeout)
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return c
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}
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func (c *Client) generateSignature(params map[string]string) string {
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// Step 1: Sort parameters by ASCII order
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var keys []string
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for k := range params {
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keys = append(keys, k)
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}
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sort.Strings(keys)
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// Step 2: Create string A with URL-encoded values
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var pairs []string
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for _, k := range keys {
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encodedValue := url.QueryEscape(params[k])
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pairs = append(pairs, fmt.Sprintf("%s=%s", k, encodedValue))
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}
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stringA := strings.Join(pairs, "&")
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// Step 3: Append appkey to create string B
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stringB := stringA + c.appKey
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// Step 4: Calculate MD5 and convert to uppercase
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hash := md5.Sum([]byte(stringB))
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return strings.ToUpper(fmt.Sprintf("%x", hash))
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}
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func (c *Client) sendRequest(path string, params interface{}) (*resty.Response, error) {
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data := make(map[string]string)
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if params != nil {
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temp := make(map[string]any)
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jsonb, _ := json.Marshal(params)
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json.Unmarshal(jsonb, &temp)
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for k, v := range temp {
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if v != nil {
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data[k] = fmt.Sprintf("%v", v)
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}
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}
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}
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data["appid"] = c.appId
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data["gntime"] = fmt.Sprintf("%d", time.Now().Unix())
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data["gntoken"] = c.generateSignature(data)
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req := c.client.R().SetFormData(data)
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resp, err := req.Post(path)
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if err != nil {
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return resp, fmt.Errorf("gname api error: failed to send request: %w", err)
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} else if resp.IsError() {
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return resp, fmt.Errorf("gname api error: unexpected status code: %d, resp: %s", resp.StatusCode(), resp.String())
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}
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return resp, nil
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}
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func (c *Client) sendRequestWithResult(path string, params interface{}, result BaseResponse) error {
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resp, err := c.sendRequest(path, params)
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if err != nil {
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return err
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}
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if err := json.Unmarshal(resp.Body(), &result); err != nil {
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return fmt.Errorf("gname api error: failed to unmarshal response: %w", err)
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} else if errcode := result.GetCode(); errcode != 1 {
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return fmt.Errorf("gname api error: code='%d', message='%s'", errcode, result.GetMessage())
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}
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return nil
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}
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