1
0
Fork 0
mirror of https://github.com/portainer/portainer.git synced 2025-07-20 13:59:40 +02:00
portainer/api/http/handler/websocket/hijack.go
mrdrogdrog 1af9fb4490 feat(containers): add support docker attach (#2842)
* #592 feat(container-details): split websocket backend code into more files and add attach handler

* #592 feat(container-details): rename console to exec and add attach console

* Revert "#592 feat(container-details): rename console to exec and add attach console"

This reverts commit f2deaee1

* #592 feat(container-details): add attach to containerconsole

* #592 feat(container-details): catch more errors

* #592 feat(container-details): use less vars

* #592 feat(container-details): error message is more verbose

* #592 feat(container-details): go fmt

* #592 feat(container-details): unpack netdial

* #592 feat(container-details): reformat service

* #592 feat(container-details): fix go compiler bugs

* #592 feat(container-details): refactor services

* #592 feat(container-details): fix windows dial

* #592 feat(container-details): gofmt dial_windows.go

* #592 feat(container-details): split console into two views and fix breadcrumbs

* #592 feat(container-details): swap exec and attach action

* #592 feat(container-details): add some warnings

* #592 feat(container-details): refresh view more

* #592 feat(container-details): use less functions for connecting/disconnecting

* #592 feat(container-details): move link replacements into initTerm

* #592 feat(container-details): disable attach/exec button if container is not running

* #592 feat(container-details): fix typo

* #592 feat(container-details): autoconnect attach view

* #592 feat(container-details): fix first draw after attach + reformat code

* #592 feat(container-details): remove init-helper-div

* #592 feat(container-details): console resize code and remove padding

* #592 feat(container-details): swap height and width arguments in container tty resize restcall

* #592 feat(container-details): swap height and width arguments in exec tty resize restcall

* #592 feat(container-details): remove css unit

* #592 feat(container-details): remove loaded state from states object

* #592 feat(container-details): reword Disattach to Detach

* #592 feat(container-details): remove unloaded state from states object

* #592 feat(container-details): remove useless code

* #592 feat(container-details): clearer state-check

* #592 feat(container-details): fixed resize bugs by using xterms col attribute
2019-05-09 14:04:40 +12:00

36 lines
943 B
Go

package websocket
import (
"fmt"
"github.com/gorilla/websocket"
"net/http"
"net/http/httputil"
)
func hijackRequest(websocketConn *websocket.Conn, httpConn *httputil.ClientConn, request *http.Request) error {
// Server hijacks the connection, error 'connection closed' expected
resp, err := httpConn.Do(request)
if err != httputil.ErrPersistEOF {
if err != nil {
return err
}
if resp.StatusCode != http.StatusSwitchingProtocols {
resp.Body.Close()
return fmt.Errorf("unable to upgrade to tcp, received %d", resp.StatusCode)
}
}
tcpConn, brw := httpConn.Hijack()
defer tcpConn.Close()
errorChan := make(chan error, 1)
go streamFromTCPConnToWebsocketConn(websocketConn, brw, errorChan)
go streamFromWebsocketConnToTCPConn(websocketConn, tcpConn, errorChan)
err = <-errorChan
if websocket.IsUnexpectedCloseError(err, websocket.CloseGoingAway, websocket.CloseNoStatusReceived) {
return err
}
return nil
}