2 tofuproxy -- HTTP proxy with TLS certificates management
3 Copyright (C) 2021 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, version 3 of the License.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 "go.stargrave.org/tofuproxy/fifos"
32 func transcodeCmd2Png(
33 contentType, ext, cmdName string,
35 w http.ResponseWriter,
38 if resp.Header.Get("Content-Type") != contentType {
41 tmpFd, err := ioutil.TempFile("", "tofuproxy.*."+ext)
45 defer os.Remove(tmpFd.Name())
47 defer resp.Body.Close()
48 if _, err = io.Copy(tmpFd, resp.Body); err != nil {
49 log.Printf("Error during %s: %+v\n", req.URL, err)
53 dstFn := tmpFd.Name() + ".png"
54 cmd := exec.Command(cmdName, tmpFd.Name(), dstFn)
56 defer os.Remove(dstFn)
60 data, err := ioutil.ReadFile(dstFn)
64 w.Header().Add("Content-Type", "image/png")
65 w.WriteHeader(http.StatusOK)
67 fifos.SinkOther <- fmt.Sprintf(
68 "%s %s\t%d\t%s transcoded to PNG",
77 func RoundTranscodeJXL(
80 w http.ResponseWriter,
83 return transcodeCmd2Png("image/jxl", "jxl", "djxl", resp, w, req)