138 lines
2.5 KiB
Go
138 lines
2.5 KiB
Go
package gitmediaclient
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import (
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"bytes"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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func Put(filename string) error {
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oid := filepath.Base(filename)
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stat, err := os.Stat(filename)
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if err != nil {
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return err
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}
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file, err := os.Open(filename)
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if err != nil {
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return err
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}
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req, err := clientRequest("PUT", oid)
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if err != nil {
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return err
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}
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req.Body = file
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req.ContentLength = stat.Size()
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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return err
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}
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defer res.Body.Close()
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if res.StatusCode > 299 {
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apierr := &Error{}
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dec := json.NewDecoder(res.Body)
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if err = dec.Decode(apierr); err != nil {
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return err
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}
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return apierr
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}
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fmt.Printf("Sending %s from %s: %d\n", oid, filename, res.StatusCode)
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return nil
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}
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func Get(filename string) (io.ReadCloser, error) {
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oid := filepath.Base(filename)
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if stat, err := os.Stat(filename); err != nil || stat == nil {
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req, err := clientRequest("GET", oid)
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if err != nil {
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return nil, err
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}
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req.Header.Set("Accept", "application/vnd.git-media")
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res, err := http.DefaultClient.Do(req)
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if err != nil {
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return nil, err
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}
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return res.Body, nil
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}
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return os.Open(filename)
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}
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func clientRequest(method, oid string) (*http.Request, error) {
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u := objectUrl(oid)
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req, err := http.NewRequest(method, u.String(), nil)
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if err == nil {
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creds, err := credentials(u)
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if err != nil {
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return req, err
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}
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token := fmt.Sprintf("%s:%s", creds["username"], creds["password"])
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auth := "Basic " + base64.URLEncoding.EncodeToString([]byte(token))
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req.Header.Set("Authorization", auth)
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}
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return req, err
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}
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func objectUrl(oid string) *url.URL {
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u, _ := url.Parse("http://localhost:8080")
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u.Path = "/objects/" + oid
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return u
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}
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func credentials(u *url.URL) (map[string]string, error) {
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creds := make(map[string]string)
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credInput := fmt.Sprintf("protocol=%s\nhost=%s\n", u.Scheme, u.Host)
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buf := new(bytes.Buffer)
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cmd := exec.Command("git", "credential", "fill")
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cmd.Stdin = bytes.NewBufferString(credInput)
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cmd.Stdout = buf
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err := cmd.Start()
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if err != nil {
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return creds, err
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}
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err = cmd.Wait()
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if err != nil {
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return creds, err
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}
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for _, line := range strings.Split(buf.String(), "\n") {
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pieces := strings.SplitN(line, "=", 2)
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if len(pieces) < 2 {
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continue
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}
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creds[pieces[0]] = pieces[1]
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}
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return creds, nil
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}
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type Error struct {
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Message string `json:"message"`
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RequestId string `json:"request_id,omitempty"`
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}
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func (e *Error) Error() string {
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return e.Message
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}
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