gotosocial/internal/transport/deliver.go
tobi 941893a774
[chore] The Big Middleware and API Refactor (tm) (#1250)
* interim commit: start refactoring middlewares into package under router

* another interim commit, this is becoming a big job

* another fucking massive interim commit

* refactor bookmarks to new style

* ambassador, wiz zeze commits you are spoiling uz

* she compiles, we're getting there

* we're just normal men; we're just innocent men

* apiutil

* whoopsie

* i'm glad noone reads commit msgs haha :blob_sweat:

* use that weirdo go-bytesize library for maxMultipartMemory

* fix media module paths
2023-01-02 12:10:50 +00:00

99 lines
2.6 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 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 (
"bytes"
"context"
"fmt"
"net/http"
"net/url"
"strings"
"sync"
apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
"github.com/superseriousbusiness/gotosocial/internal/config"
)
func (t *transport) BatchDeliver(ctx context.Context, b []byte, recipients []*url.URL) error {
// concurrently deliver to recipients; for each delivery, buffer the error if it fails
wg := sync.WaitGroup{}
errCh := make(chan error, len(recipients))
for _, recipient := range recipients {
wg.Add(1)
go func(r *url.URL) {
defer wg.Done()
if err := t.Deliver(ctx, b, r); err != nil {
errCh <- err
}
}(recipient)
}
// wait until all deliveries have succeeded or failed
wg.Wait()
// receive any buffered errors
errs := make([]string, 0, len(recipients))
outer:
for {
select {
case e := <-errCh:
errs = append(errs, e.Error())
default:
break outer
}
}
if len(errs) > 0 {
return fmt.Errorf("BatchDeliver: at least one failure: %s", strings.Join(errs, "; "))
}
return nil
}
func (t *transport) Deliver(ctx context.Context, b []byte, to *url.URL) error {
// if the 'to' host is our own, just skip this delivery since we by definition already have the message!
if to.Host == config.GetHost() || to.Host == config.GetAccountDomain() {
return nil
}
urlStr := to.String()
req, err := http.NewRequestWithContext(ctx, "POST", urlStr, bytes.NewReader(b))
if err != nil {
return err
}
req.Header.Add("Content-Type", string(apiutil.AppActivityLDJSON))
req.Header.Add("Accept-Charset", "utf-8")
req.Header.Set("Host", to.Host)
resp, err := t.POST(req, b)
if err != nil {
return err
}
defer resp.Body.Close()
if code := resp.StatusCode; code != http.StatusOK &&
code != http.StatusCreated && code != http.StatusAccepted {
return fmt.Errorf("POST request to %s failed (%d): %s", urlStr, resp.StatusCode, resp.Status)
}
return nil
}