62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
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package security
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import (
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"crypto/md5"
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"encoding/hex"
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"time"
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"github.com/dgrijalva/jwt-go"
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)
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var jwtSecret []byte
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type Claims struct {
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Username string `json:"username"`
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Password string `json:"password"`
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jwt.StandardClaims
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}
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// EncodeMD5 md5 encryption
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func EncodeMD5(value string) string {
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m := md5.New()
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m.Write([]byte(value))
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return hex.EncodeToString(m.Sum(nil))
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}
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// GenerateToken generate tokens used for auth
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func GenerateToken(username, password string) (string, error) {
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nowTime := time.Now()
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expireTime := nowTime.Add(3 * time.Hour)
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claims := Claims{
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EncodeMD5(username),
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EncodeMD5(password),
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jwt.StandardClaims{
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ExpiresAt: expireTime.Unix(),
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Issuer: "gin-server",
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},
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}
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tokenClaims := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
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token, err := tokenClaims.SignedString(jwtSecret)
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return token, err
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}
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// ParseToken parsing token
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func ParseToken(token string) (*Claims, error) {
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tokenClaims, err := jwt.ParseWithClaims(token, &Claims{}, func(token *jwt.Token) (interface{}, error) {
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return jwtSecret, nil
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})
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if tokenClaims != nil {
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if claims, ok := tokenClaims.Claims.(*Claims); ok && tokenClaims.Valid {
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return claims, nil
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}
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}
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return nil, err
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}
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