66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package main
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import (
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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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"io/ioutil"
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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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if body, err := getCloudFile(uf.URI); err != nil {
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return nil, err
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} else {
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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.MkdirAll(path.Dir(pathname), 0777); err != nil {
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return nil, err
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}
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if err := ioutil.WriteFile(pathname, body, 0777); err != nil {
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return nil, err
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}
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return exercice.ImportFile(pathname, uf.URI)
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}
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}
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func getCloudFile(pathname string) ([]byte, 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 nil, 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 nil, err
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} else {
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defer resp.Body.Close()
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if body, err := ioutil.ReadAll(resp.Body); err != nil {
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return nil, err
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} else {
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return body, nil
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}
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}
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}
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}
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