53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
package midware
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import (
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"github.com/dgrijalva/jwt-go"
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"github.com/gin-gonic/gin"
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"gitlab.33.cn/chat/dtalk/pkg/api"
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xerror "gitlab.33.cn/chat/dtalk/pkg/error"
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"gitlab.33.cn/chat/dtalk/service/backend/model"
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"strings"
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)
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func JWTAuthMiddleWare(flag bool, key string) gin.HandlerFunc {
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return func(c *gin.Context) {
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if flag == true {
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c.Next()
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return
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}
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authHeader := c.GetHeader("Authorization")
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if len(authHeader) == 0 {
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c.Set(api.ReqError, xerror.NewError(xerror.TokenError).SetExtMessage("token is empty"))
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c.Abort()
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return
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}
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stringArray := strings.SplitN(authHeader, " ", 2)
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if !(len(stringArray) == 2 && stringArray[0] == "Bearer") {
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c.Set(api.ReqError, xerror.NewError(xerror.TokenError).SetExtMessage("The token's format is wrong"))
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c.Abort()
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return
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}
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claims, err := parseToken(stringArray[1], key)
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if err != nil {
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c.Set(api.ReqError, err)
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c.Abort()
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return
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}
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c.Set("userName", claims.Username)
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c.Next()
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}
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}
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func parseToken(tokenString string, key string) (*model.Claims, error) {
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token, err := jwt.ParseWithClaims(tokenString, &model.Claims{}, func(token *jwt.Token) (i interface{}, err error) {
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return []byte(key), nil
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})
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if err != nil {
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return nil, xerror.NewError(xerror.TokenError).SetExtMessage("invalid token")
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}
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if claims, ok := token.Claims.(*model.Claims); ok && token.Valid {
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return claims, nil
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}
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return nil, xerror.NewError(xerror.TokenError).SetExtMessage("invalid token")
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}
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