add third

third/wechat.go

@@ -0,0 +1,65 @@
+package third
+
+import (
+	"crypto/aes"
+	"crypto/cipher"
+	"encoding/base64"
+	"errors"
+)
+
+func WeChat_Decrypt(sessionKey, encryptedData, iv string) (string, error) {
+	aesKey, err := base64.StdEncoding.DecodeString(sessionKey)
+	if err != nil {
+		return "", err
+	}
+	cipherText, err := base64.StdEncoding.DecodeString(encryptedData)
+	if err != nil {
+		return "", err
+	}
+	ivBytes, err := base64.StdEncoding.DecodeString(iv)
+	if err != nil {
+		return "", err
+	}
+	block, err := aes.NewCipher(aesKey)
+	if err != nil {
+		return "", err
+	}
+	mode := cipher.NewCBCDecrypter(block, ivBytes)
+	mode.CryptBlocks(cipherText, cipherText)
+	cipherText, err = WeChat_Pkcs7Unpad(cipherText, block.BlockSize())
+	if err != nil {
+		return "", err
+	}
+
+	return string(cipherText), nil
+}
+
+// pkcs7Unpad returns slice of the original data without padding
+func WeChat_Pkcs7Unpad(data []byte, blockSize int) ([]byte, error) {
+	var (
+		// ErrInvalidBlockSize block size不合法
+		ErrInvalidBlockSize = errors.New("invalid block size")
+		// ErrInvalidPKCS7Data PKCS7数据不合法
+		ErrInvalidPKCS7Data = errors.New("invalid PKCS7 data")
+		// ErrInvalidPKCS7Padding 输入padding失败
+		ErrInvalidPKCS7Padding = errors.New("invalid padding on input")
+	)
+
+	if blockSize <= 0 {
+		return nil, ErrInvalidBlockSize
+	}
+	if len(data)%blockSize != 0 || len(data) == 0 {
+		return nil, ErrInvalidPKCS7Data
+	}
+	c := data[len(data)-1]
+	n := int(c)
+	if n == 0 || n > len(data) {
+		return nil, ErrInvalidPKCS7Padding
+	}
+	for i := 0; i < n; i++ {
+		if data[len(data)-n+i] != c {
+			return nil, ErrInvalidPKCS7Padding
+		}
+	}
+	return data[:len(data)-n], nil
+}

types/db.go

@@ -21,13 +21,13 @@ type (
 	// standard ID,Identity definition.
 	Std_IDIdentity struct {
 		ID       uint   `gorm:"primarykey;"  json:"id"`
-		Identity string `gorm:"column:identity;type:varchar(36);uniqueIndex;"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
+		Identity string `gorm:"column:identity;type:varchar(36);uniqueIndex;default:uuid_generate_v4()"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
 	}
 
 	// standard ID,Created,Updated,Deleted definition.
 	Std_IICUDS struct {
 		ID        uint           `gorm:"primarykey;"  json:"id"`
-		Identity  string         `gorm:"column:identity;type:varchar(36);uniqueIndex;"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
+		Identity  string         `gorm:"column:identity;type:varchar(36);uniqueIndex;default:uuid_generate_v4()"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
 		CreatedAt time.Time      `json:"created_at"`
 		UpdatedAt time.Time      `json:"updated_at"`
 		DeletedAt gorm.DeletedAt `gorm:"index;" json:"deleted_at"`
@@ -51,7 +51,7 @@ type (
 	// standard PassportID,PassportIdentity definition.
 	Std_Passport struct {
 		PassportID       uint   `gorm:"column:passport_id;Index;" json:"passport_id"`
-		PassportIdentity string `gorm:"column:passport_identity;type:varchar(36);Index;"  json:"passport_identity"` // 用户唯一标识，24位NanoID,36位为ULID
+		PassportIdentity string `gorm:"column:passport_identity;type:varchar(36);Index;default:uuid_generate_v4()"  json:"passport_identity"` // 用户唯一标识，24位NanoID,36位为ULID
 	}
 
 	// standard ID definition.
@@ -61,7 +61,7 @@ type (
 
 	// standard Identity definition.
 	Std_Identity struct {
-		Identity string `gorm:"column:identity;type:varchar(36);uniqueIndex;"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
+		Identity string `gorm:"column:identity;type:varchar(36);uniqueIndex;default:uuid_generate_v4()"  json:"identity"` // 唯一标识，24位NanoID,36位为ULID
 	}
 
 	// standard Status definition.

utils/time.go

@@ -0,0 +1,14 @@
+package utils
+
+import (
+	"time"
+)
+
+func Time2String(layout string, t time.Time) string {
+	return t.Format(layout)
+}
+
+func String2Time(layout, in string) time.Time {
+	t, _ := time.ParseInLocation(layout, in, time.Local)
+	return t
+}