mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-11-27 22:50:19 +01:00
102 lines
2.8 KiB
Go
102 lines
2.8 KiB
Go
/*
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The MIT License (MIT)
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Copyright (c) 2014-2017 DutchCoders [https://github.com/dutchcoders/]
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Copyright (c) 2018-2020 Andrea Spacca.
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Copyright (c) 2020- Andrea Spacca and Stefan Benten.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package server
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import (
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"time"
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clamd "github.com/dutchcoders/go-clamd"
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"github.com/gorilla/mux"
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)
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const clamavScanStatusOK = "OK"
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func (s *Server) scanHandler(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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filename := sanitize(vars["filename"])
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contentLength := r.ContentLength
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contentType := r.Header.Get("Content-Type")
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s.logger.Printf("Scanning %s %d %s", filename, contentLength, contentType)
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file, err := ioutil.TempFile(s.tempPath, "clamav-")
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defer s.cleanTmpFile(file)
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if err != nil {
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s.logger.Printf("%s", err.Error())
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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_, err = io.Copy(file, r.Body)
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if err != nil {
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s.logger.Printf("%s", err.Error())
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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status, err := s.performScan(file.Name())
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if err != nil {
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s.logger.Printf("%s", err.Error())
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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_, _ = w.Write([]byte(fmt.Sprintf("%v\n", status)))
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}
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func (s *Server) performScan(path string) (string, error) {
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c := clamd.NewClamd(s.ClamAVDaemonHost)
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responseCh := make(chan chan *clamd.ScanResult)
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errCh := make(chan error)
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go func(responseCh chan chan *clamd.ScanResult, errCh chan error) {
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response, err := c.ScanFile(path)
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if err != nil {
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errCh <- err
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return
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}
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responseCh <- response
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}(responseCh, errCh)
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select {
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case err := <-errCh:
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return "", err
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case response := <-responseCh:
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st := <-response
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return st.Status, nil
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case <-time.After(time.Second * 60):
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return "", errors.New("clamav scan timeout")
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}
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}
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