lavender/server/jwt.go

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package server
import (
"context"
"crypto/sha256"
"encoding/base64"
"github.com/1f349/lavender/database"
"github.com/1f349/mjwt"
"github.com/1f349/mjwt/auth"
"github.com/go-oauth2/oauth2/v4"
"github.com/golang-jwt/jwt/v4"
"github.com/google/uuid"
"strings"
)
type JWTAccessGenerate struct {
signer *mjwt.Issuer
db *database.Queries
}
func NewJWTAccessGenerate(signer *mjwt.Issuer, db *database.Queries) *JWTAccessGenerate {
return &JWTAccessGenerate{signer, db}
}
var _ oauth2.AccessGenerate = &JWTAccessGenerate{}
func (j *JWTAccessGenerate) Token(ctx context.Context, data *oauth2.GenerateBasic, isGenRefresh bool) (access, refresh string, err error) {
roles, err := j.db.GetUserRoles(ctx, data.UserID)
if err != nil {
return "", "", err
}
ps := auth.ParsePermStorage(roles)
out := auth.NewPermStorage()
ForEachRole(data.Client.(interface{ UsePerms() string }).UsePerms(), func(role string) {
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for _, i := range ps.Filter(strings.Split(role, " ")).Dump() {
out.Set(i)
}
})
access, err = j.signer.GenerateJwt(data.UserID, "", jwt.ClaimStrings{data.TokenInfo.GetClientID()}, data.TokenInfo.GetAccessExpiresIn(), auth.AccessTokenClaims{
Perms: out,
})
if isGenRefresh {
t := uuid.NewHash(sha256.New(), uuid.New(), []byte(access), 5).String()
refresh = base64.URLEncoding.EncodeToString([]byte(t))
refresh = strings.ToUpper(strings.TrimRight(refresh, "="))
}
return
}