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1ee7e08aa0
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@@ -101,10 +101,11 @@ func (ak *DefaultAccessToken) GetAccessTokenContext(ctx context.Context) (access
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// 不强制更新access_token,可用于不同环境不同服务而不需要分布式锁以及公用缓存,避免access_token争抢
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// https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/mp-access-token/getStableAccessToken.html
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type StableAccessToken struct {
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appID string
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appSecret string
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cacheKeyPrefix string
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cache cache.Cache
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appID string
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appSecret string
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cacheKeyPrefix string
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cache cache.Cache
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accessTokenLock *sync.Mutex
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}
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// NewStableAccessToken new StableAccessToken
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@@ -113,10 +114,11 @@ func NewStableAccessToken(appID, appSecret, cacheKeyPrefix string, cache cache.C
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panic("cache is need")
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}
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return &StableAccessToken{
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appID: appID,
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appSecret: appSecret,
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cache: cache,
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cacheKeyPrefix: cacheKeyPrefix,
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appID: appID,
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appSecret: appSecret,
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cache: cache,
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cacheKeyPrefix: cacheKeyPrefix,
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accessTokenLock: new(sync.Mutex),
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}
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}
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@@ -130,7 +132,20 @@ func (ak *StableAccessToken) GetAccessTokenContext(ctx context.Context) (accessT
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// 先从cache中取
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accessTokenCacheKey := fmt.Sprintf("%s_stable_access_token_%s", ak.cacheKeyPrefix, ak.appID)
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if val := ak.cache.Get(accessTokenCacheKey); val != nil {
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return val.(string), nil
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if accessToken = val.(string); accessToken != "" {
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return
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}
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}
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// 加上lock,是为了防止在并发获取token时,cache刚好失效,导致从微信服务器上获取到不同token
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ak.accessTokenLock.Lock()
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defer ak.accessTokenLock.Unlock()
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// 双检,防止重复从微信服务器获取
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if val := ak.cache.Get(accessTokenCacheKey); val != nil {
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if accessToken = val.(string); accessToken != "" {
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return
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}
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}
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// cache失效,从微信服务器获取
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@@ -59,6 +59,30 @@ func (r *Client) UploadImg(filename string) (*UploadImgResponse, error) {
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return result, err
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}
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// UploadImgFromReader 从 io.Reader 上传图片
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// @see https://developer.work.weixin.qq.com/document/path/90256
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func (r *Client) UploadImgFromReader(filename string, reader io.Reader) (*UploadImgResponse, error) {
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var (
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accessToken string
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err error
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)
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if accessToken, err = r.GetAccessToken(); err != nil {
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return nil, err
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}
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var byteData []byte
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byteData, err = io.ReadAll(reader)
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if err != nil {
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return nil, err
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}
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var response []byte
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if response, err = util.PostFileByStream("media", filename, fmt.Sprintf(uploadImgURL, accessToken), byteData); err != nil {
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return nil, err
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}
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result := &UploadImgResponse{}
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err = util.DecodeWithError(response, result, "UploadImg")
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return result, err
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}
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// UploadTempFile 上传临时素材
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// @see https://developer.work.weixin.qq.com/document/path/90253
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// @mediaType 媒体文件类型,分别有图片(image)、语音(voice)、视频(video),普通文件(file)
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@@ -166,5 +190,13 @@ func (r *Client) GetTempFile(mediaID string) ([]byte, error) {
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if err != nil {
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return nil, err
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}
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// 检查响应是否为错误信息
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err = util.DecodeWithCommonError(response, "GetTempFile")
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if err != nil {
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return nil, err
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}
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// 如果不是错误响应,则返回原始数据
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return response, nil
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}
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