forked from mirrors/gotosocial
d8d5818b47
* add error value wrapping, include status code / not found flags from transport errors, update error usages Signed-off-by: kim <grufwub@gmail.com> * add code commenting for gtserror functions Signed-off-by: kim <grufwub@gmail.com> --------- Signed-off-by: kim <grufwub@gmail.com>
56 lines
1.6 KiB
Go
56 lines
1.6 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package transport
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
|
|
)
|
|
|
|
func (t *transport) DereferenceMedia(ctx context.Context, iri *url.URL) (io.ReadCloser, int64, error) {
|
|
// Build IRI just once
|
|
iriStr := iri.String()
|
|
|
|
// Prepare HTTP request to this media's IRI
|
|
req, err := http.NewRequestWithContext(ctx, "GET", iriStr, nil)
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
req.Header.Add("Accept", "*/*") // we don't know what kind of media we're going to get here
|
|
req.Header.Set("Host", iri.Host)
|
|
|
|
// Perform the HTTP request
|
|
rsp, err := t.GET(req)
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
// Check for an expected status code
|
|
if rsp.StatusCode != http.StatusOK {
|
|
err := fmt.Errorf("GET request to %s failed: %s", iriStr, rsp.Status)
|
|
return nil, 0, gtserror.WithStatusCode(err, rsp.StatusCode)
|
|
}
|
|
|
|
return rsp.Body, rsp.ContentLength, nil
|
|
}
|