69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
package service
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import (
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"context"
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"crypto/sha1"
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"fmt"
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"go-common/app/interface/bbq/wechat/dao"
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"go-common/app/interface/bbq/wechat/internal/conf"
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"go-common/app/interface/bbq/wechat/internal/model"
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"go-common/library/log"
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)
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// Service struct
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type Service struct {
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c *conf.Config
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dao *dao.Dao
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}
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// New init
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func New(c *conf.Config) (s *Service) {
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s = &Service{
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c: c,
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dao: dao.New(c),
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}
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return s
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}
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// Ping Service
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func (s *Service) Ping(ctx context.Context) (err error) {
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return s.dao.Ping(ctx)
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}
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// Close Service
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func (s *Service) Close() {
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s.dao.Close()
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}
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// TokenGet .
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func (s *Service) TokenGet(ctx context.Context, arg *model.TokenReq, url string) (sig string, err error) {
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token := ""
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if token, err = s.dao.TokenGetLast(ctx); err != nil {
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log.Warnv(ctx, log.KV("log", "weixin token get last fail"))
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return
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}
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if token == "" {
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if token, err = s.dao.TokenGet(ctx); err != nil {
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log.Warnv(ctx, log.KV("log", "weixin token get fail"))
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return
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}
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}
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sig = s.TokenCalc(ctx, token, arg.Noncestr, arg.Timestamp, url)
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return
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}
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// TokenCalc 计算签名
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func (s *Service) TokenCalc(ctx context.Context, ticket string, noncestr string, timestamp string, url string) (sig string) {
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str := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s×tamp=%s&url=%s", ticket, noncestr, timestamp, url)
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hash := sha1.New()
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hash.Write([]byte(str))
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bs := hash.Sum(nil)
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sig = fmt.Sprintf("%x", bs)
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return
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}
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