60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
package middlewares
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import (
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"fmt"
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"net/http"
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"os"
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"time"
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"github.com/golang-jwt/jwt/v5"
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"github.com/marcopeocchi/yt-dlp-web-ui/server/config"
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"github.com/marcopeocchi/yt-dlp-web-ui/server/utils"
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)
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func Authenticated(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if !config.Instance().RequireAuth {
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next.ServeHTTP(w, r)
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return
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}
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cookie, err := r.Cookie(utils.TOKEN_COOKIE_NAME)
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if err != nil {
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http.Error(w, "invalid token", http.StatusBadRequest)
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return
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}
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if cookie == nil {
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http.Error(w, "invalid token", http.StatusBadRequest)
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return
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}
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token, _ := jwt.Parse(cookie.Value, func(t *jwt.Token) (interface{}, error) {
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if _, ok := t.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("unexpected signing method: %v", t.Header["alg"])
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}
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return []byte(os.Getenv("JWT_SECRET")), nil
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})
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if claims, ok := token.Claims.(jwt.MapClaims); ok && token.Valid {
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expiresAt, err := time.Parse(time.RFC3339, claims["expiresAt"].(string))
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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if time.Now().After(expiresAt) {
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http.Error(w, "token expired", http.StatusBadRequest)
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return
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}
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} else {
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http.Error(w, "invalid token", http.StatusBadRequest)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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