forked from nixcn/nixcn-cms
58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package middleware
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import (
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"net/http"
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"strings"
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"nixcn-cms/internal/cryptography"
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"github.com/gin-gonic/gin"
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"github.com/golang-jwt/jwt/v5"
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"github.com/spf13/viper"
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)
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func JWTAuth() gin.HandlerFunc {
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jwtSecret := []byte(viper.GetString("secrets.jwt_secret"))
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return func(c *gin.Context) {
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auth := c.GetHeader("Authorization")
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if auth == "" {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "missing Authorization header",
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})
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return
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}
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// Split header to 2
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parts := strings.SplitN(auth, " ", 2)
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if len(parts) != 2 || parts[0] != "Bearer" {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "invalid Authorization header format",
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})
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return
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}
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tokenStr := parts[1]
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// Verify access token
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claims := &cryptography.JwtClaims{}
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token, err := jwt.ParseWithClaims(
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tokenStr,
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claims,
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func(token *jwt.Token) (any, error) {
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return jwtSecret, nil
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},
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)
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if err != nil || !token.Valid {
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c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{
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"error": "invalid or expired token",
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})
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return
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}
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c.Set("user_id", claims.UserID)
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c.Next()
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}
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}
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