86 lines
2.0 KiB
Go
86 lines
2.0 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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func createExerciceFile(theme fic.Theme, exercice fic.Exercice, args []string, body []byte) (interface{}, error) {
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var uf map[string]string
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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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var hash [sha512.Size]byte
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var logStr string
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var fromURI string
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var getFile func(string) error
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if URI, ok := uf["URI"]; ok {
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hash = sha512.Sum512([]byte(URI))
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logStr = "Import file from Cloud: " + URI + " =>"
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fromURI = URI
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getFile = func(dest string) error { return getCloudFile(URI, dest) }
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} else if path, ok := uf["path"]; ok {
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hash = sha512.Sum512([]byte(path))
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logStr = "Import file from local FS: " + path + " =>"
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fromURI = path
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getFile = func(dest string) error { return os.Symlink(path, dest) }
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} else {
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return nil, errors.New("URI or path not filled")
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}
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pathname := path.Join(fic.FilesDir, strings.ToLower(base32.StdEncoding.EncodeToString(hash[:])), path.Base(fromURI))
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if _, err := os.Stat(pathname); os.IsNotExist(err) {
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log.Println(logStr, 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 := getFile(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, fromURI)
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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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