util

func AESDecryptMsg ¶

func AESDecryptMsg(encryptedMsg []byte, AppId string, AESKey [32]byte) (random, rawXMLMsg []byte, err error)

encryptedMsg = AES_Encrypt[random(16B) + msg_len(4B) + rawXMLMsg + AppId]

func AESEncryptMsg ¶

func AESEncryptMsg(random, rawXMLMsg []byte, AppId string, AESKey [32]byte) (encryptedMsg []byte)

encryptedMsg = AES_Encrypt[random(16B) + msg_len(4B) + rawXMLMsg + AppId]

func AESKeyDecode ¶

func AESKeyDecode(encodedAESKey string) (AESKey []byte, err error)

把长度为 43 的字符串 base64 decode 到 32 字节的 []byte

encodedAESKey 由 a-z,A-Z,0-9 组成, 一般在微信管理后台随机生成

func Bool ¶

func Bool(v bool) *bool

Bool is a helper routine that allocates a new bool value to store v and returns a pointer to it.

func Download ¶

func Download(url, filepath string, httpClient *http.Client) (err error)

func DownloadToWriter ¶

func DownloadToWriter(url string, w io.Writer, httpClient *http.Client) (err error)

func Float32 ¶

func Float32(v float32) *float32

Float32 is a helper routine that allocates a new float32 value to store v and returns a pointer to it.

func Float64 ¶

func Float64(v float64) *float64

Float64 is a helper routine that allocates a new float64 value to store v and returns a pointer to it.

func HttpResponseWriter ¶

func HttpResponseWriter(w io.Writer) http.ResponseWriter

将 io.Writer 从语义上实现 http.ResponseWriter.

func Int ¶

func Int(v int) *int

Int is a helper routine that allocates a new int value to store v and returns a pointer to it.

func Int32 ¶

func Int32(v int32) *int32

Int32 is a helper routine that allocates a new int32 value to store v and returns a pointer to it.

func Int64 ¶

func Int64(v int64) *int64

Int64 is a helper routine that allocates a new int64 value to store v and returns a pointer to it.

func MsgSign ¶

func MsgSign(token, timestamp, nonce, encryptedMsg string) (signature string)

微信公众号/企业号 密文模式消息签名

func Sign ¶

func Sign(token, timestamp, nonce string) (signature string)

微信公众号 明文模式/URL认证 签名

func String ¶

func String(v string) *string

String is a helper routine that allocates a new string value to store v and returns a pointer to it.

func Uint32 ¶

func Uint32(v uint32) *uint32

Uint32 is a helper routine that allocates a new uint32 value to store v and returns a pointer to it.

func Uint64 ¶

func Uint64(v uint64) *uint64

Uint64 is a helper routine that allocates a new uint64 value to store v and returns a pointer to it.

func WXVersion ¶

func WXVersion(userAgent string) (x, y, z int, err error)

获取微信客户端的版本.

userAgent: 微信内置浏览器的 user-agent;
x, y, z:   如果微信版本为 5.3.1 则有 x==5, y==3, z==1
err:       错误信息