deletebannedfile.go

package routes

import (
	"encoding/hex"
	"net/http"
	"strings"

	"owo.codes/whats-this/api/lib/apierrors"
	"owo.codes/whats-this/api/lib/db"
	"owo.codes/whats-this/api/lib/middleware"

	"github.com/rs/zerolog/log"
)

// DeleteBannedFile deletes a FileBan.
func DeleteBannedFile(w http.ResponseWriter, r *http.Request) {
	// Only authorized admin users can use this route
	user := middleware.GetAuthorizedUser(r)
	if user.ID == "" || user.IsBlocked || !user.IsAdmin {
		panic(apierrors.Unauthorized)
	}

	// Get the SHA256 hash
	sha256String := r.URL.Path
	if strings.HasPrefix(sha256String, "/bannedfiles/") {
		sha256String = sha256String[13:]
	}
	sha256, err := hex.DecodeString(sha256String)
	if err != nil {
		panic(apierrors.BadFileID)
	}

	// Get the file ban
	banned, err := db.CheckIfFileBanExists(sha256)
	if err != nil {
		log.Error().Err(err).Msg("failed to check if file is banned in DeleteBannedFile")
		panic(apierrors.InternalServerError)
	}
	if !banned {
		panic(apierrors.FileIsNotBanned)
	}

	// Unban the file
	err = db.DeleteBannedFile(sha256)
	if err != nil {
		log.Error().Err(err).Msg("failed to delete file ban")
		panic(apierrors.InternalServerError)
	}

	// Return success response
	w.WriteHeader(http.StatusNoContent)
}