mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-11-30 16:10:19 +01:00
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
/*
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2014-2017 DutchCoders [https://github.com/dutchcoders/]
|
|
Copyright (c) 2018-2020 Andrea Spacca.
|
|
Copyright (c) 2020- Andrea Spacca and Stefan Benten.
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
|
|
package server
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"net/http"
|
|
"time"
|
|
|
|
clamd "github.com/dutchcoders/go-clamd"
|
|
"github.com/gorilla/mux"
|
|
)
|
|
|
|
const clamavScanStatusOK = "OK"
|
|
|
|
func (s *Server) scanHandler(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
|
|
filename := sanitize(vars["filename"])
|
|
|
|
contentLength := r.ContentLength
|
|
contentType := r.Header.Get("Content-Type")
|
|
|
|
s.logger.Printf("Scanning %s %d %s", filename, contentLength, contentType)
|
|
|
|
file, err := ioutil.TempFile(s.tempPath, "clamav-")
|
|
defer s.cleanTmpFile(file)
|
|
if err != nil {
|
|
s.logger.Printf("%s", err.Error())
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
_, err = io.Copy(file, r.Body)
|
|
if err != nil {
|
|
s.logger.Printf("%s", err.Error())
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
status, err := s.performScan(file.Name())
|
|
if err != nil {
|
|
s.logger.Printf("%s", err.Error())
|
|
http.Error(w, err.Error(), http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
_, _ = w.Write([]byte(fmt.Sprintf("%v\n", status)))
|
|
}
|
|
|
|
func (s *Server) performScan(path string) (string, error) {
|
|
c := clamd.NewClamd(s.ClamAVDaemonHost)
|
|
|
|
responseCh := make(chan chan *clamd.ScanResult)
|
|
errCh := make(chan error)
|
|
go func(responseCh chan chan *clamd.ScanResult, errCh chan error) {
|
|
response, err := c.ScanFile(path)
|
|
if err != nil {
|
|
errCh <- err
|
|
return
|
|
}
|
|
|
|
responseCh <- response
|
|
}(responseCh, errCh)
|
|
|
|
select {
|
|
case err := <-errCh:
|
|
return "", err
|
|
case response := <-responseCh:
|
|
st := <-response
|
|
return st.Status, nil
|
|
case <-time.After(time.Second * 60):
|
|
return "", errors.New("clamav scan timeout")
|
|
}
|
|
}
|