76 lines
1.6 KiB
Go
76 lines
1.6 KiB
Go
package main
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import (
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"bufio"
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"crypto/sha512"
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"encoding/base32"
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"encoding/json"
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"errors"
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"log"
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"net/http"
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"os"
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"path"
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"strings"
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"srs.epita.fr/fic-server/libfic"
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)
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type uploadedFile struct {
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URI string
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}
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func createExerciceFile(theme fic.Theme, exercice fic.Exercice, args []string, body []byte) (interface{}, error) {
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var uf uploadedFile
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if err := json.Unmarshal(body, &uf); err != nil {
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return nil, err
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}
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if len(uf.URI) == 0 {
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return nil, errors.New("URI not filled")
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}
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hash := sha512.Sum512([]byte(uf.URI))
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pathname := path.Join(fic.FilesDir, strings.ToLower(base32.StdEncoding.EncodeToString(hash[:])), path.Base(uf.URI))
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if _, err := os.Stat(pathname); os.IsNotExist(err) {
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log.Println("Import file from Cloud:", uf.URI, "=>", pathname)
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if err := os.MkdirAll(path.Dir(pathname), 0777); err != nil {
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return nil, err
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} else if err := getCloudFile(uf.URI, pathname); err != nil {
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return nil, err
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}
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}
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return exercice.ImportFile(pathname, uf.URI)
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}
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func getCloudFile(pathname string, dest string) error {
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client := http.Client{}
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if req, err := http.NewRequest("GET", CloudDAVBase+pathname, nil); err != nil {
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return err
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} else {
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req.SetBasicAuth(CloudUsername, CloudPassword)
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if resp, err := client.Do(req); err != nil {
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return err
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} else {
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defer resp.Body.Close()
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if fd, err := os.Create(dest); err != nil {
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return err
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} else {
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defer fd.Close()
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if resp.StatusCode != http.StatusOK {
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return errors.New(resp.Status)
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} else {
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writer := bufio.NewWriter(fd)
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reader := bufio.NewReader(resp.Body)
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reader.WriteTo(writer)
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writer.Flush()
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}
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}
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}
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}
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return nil
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}
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