use cache token

crypto.go

@@ -47,7 +47,7 @@ func (a *AesCrypto) Encrypt(data []byte) ([]byte, error) {
 		return nil, err
 	}
 	blockSize := block.BlockSize()
-	data = pkcs5Padding(data, blockSize)
+	data = pkcs7Padding(data, blockSize)
 
 	blockMode := cipher.NewCBCEncrypter(block, a.IV[:blockSize])
 	crypted := make([]byte, len(data))
@@ -66,18 +66,18 @@ func (a *AesCrypto) Decrypt(crypted []byte) ([]byte, error) {
 	blockMode := cipher.NewCBCDecrypter(block, a.IV[:blockSize])
 	origData := make([]byte, len(crypted))
 	blockMode.CryptBlocks(origData, crypted)
-	origData = pkcs5UnPadding(origData)
+	origData = pkcs7UnPadding(origData)
 
 	return origData, nil
 }
 
-func pkcs5Padding(cipherText []byte, blockSize int) []byte {
+func pkcs7Padding(cipherText []byte, blockSize int) []byte {
 	padding := blockSize - len(cipherText)%blockSize
 	padtext := bytes.Repeat([]byte{byte(padding)}, padding)
 	return append(cipherText, padtext...)
 }
 
-func pkcs5UnPadding(data []byte) []byte {
+func pkcs7UnPadding(data []byte) []byte {
 	length := len(data)
 	unpadding := int(data[length-1])
 	if unpadding >= length {

wechat/client.go

@@ -46,6 +46,7 @@ func (wc *Client) getToken() (token string, err error) {
 			return
 		}
 		token = ct.AccessToken
+		return
 	}
 	//wc.ReadLock.Lock()
 	//defer wc.ReadLock.Unlock()