cd7ae5ac56
- Added Qiniu configuration options to .env.example and config.go for file uploads. - Refactored main.go to include new Qiniu service and upload handler. - Updated route registration to accommodate the new upload handler. - Enhanced documentation to include references for Qiniu upload functionality. - Removed legacy authentication handler and services to streamline the codebase.
90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
package service
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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"time"
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)
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const weChatCode2SessionURL = "https://api.weixin.qq.com/sns/jscode2session"
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// WeChatClient 调用微信接口获取 session/openid。
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type WeChatClient struct {
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appID string
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appSecret string
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client *http.Client
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}
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type WeChatSession struct {
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OpenID string `json:"openid"`
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UnionID string `json:"unionid"`
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SessionKey string `json:"session_key"`
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}
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type weChatSessionResponse struct {
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WeChatSession
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ErrCode int `json:"errcode"`
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ErrMsg string `json:"errmsg"`
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}
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// WeChatError 表示微信接口级错误。
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type WeChatError struct {
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Code int
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Msg string
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}
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func (e *WeChatError) Error() string {
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return fmt.Sprintf("wechat error: code=%d msg=%s", e.Code, e.Msg)
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}
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func NewWeChatClient(appID, appSecret string, client *http.Client) *WeChatClient {
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if client == nil {
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client = &http.Client{
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Timeout: 5 * time.Second,
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}
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}
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return &WeChatClient{
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appID: appID,
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appSecret: appSecret,
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client: client,
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}
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}
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func (c *WeChatClient) Code2Session(ctx context.Context, code string) (*WeChatSession, error) {
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query := url.Values{}
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query.Set("appid", c.appID)
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query.Set("secret", c.appSecret)
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query.Set("js_code", code)
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query.Set("grant_type", "authorization_code")
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, fmt.Sprintf("%s?%s", weChatCode2SessionURL, query.Encode()), nil)
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if err != nil {
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return nil, fmt.Errorf("build wechat request: %w", err)
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}
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resp, err := c.client.Do(req)
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if err != nil {
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return nil, fmt.Errorf("call wechat api: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("wechat api unexpected status: %s", resp.Status)
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}
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var raw weChatSessionResponse
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if err := json.NewDecoder(resp.Body).Decode(&raw); err != nil {
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return nil, fmt.Errorf("decode wechat response: %w", err)
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}
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if raw.ErrCode != 0 {
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return nil, &WeChatError{Code: raw.ErrCode, Msg: raw.ErrMsg}
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}
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return &raw.WeChatSession, nil
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}
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