package compat import ( "errors" "fmt" "net/http" "strings" "github.com/containers/podman/v4/libpod" "github.com/containers/podman/v4/libpod/define" "github.com/containers/podman/v4/pkg/api/handlers/utils" api "github.com/containers/podman/v4/pkg/api/types" "github.com/gorilla/mux" "github.com/gorilla/schema" ) func ResizeTTY(w http.ResponseWriter, r *http.Request) { runtime := r.Context().Value(api.RuntimeKey).(*libpod.Runtime) decoder := r.Context().Value(api.DecoderKey).(*schema.Decoder) // /containers/{id}/resize query := struct { Height uint16 `schema:"h"` Width uint16 `schema:"w"` IgnoreNotRunning bool `schema:"running"` }{ // override any golang type defaults } if err := decoder.Decode(&query, r.URL.Query()); err != nil { utils.Error(w, http.StatusBadRequest, fmt.Errorf("failed to parse parameters for %s: %w", r.URL.String(), err)) return } sz := define.TerminalSize{ Width: query.Width, Height: query.Height, } var status int switch { case strings.Contains(r.URL.Path, "/containers/"): name := utils.GetName(r) ctnr, err := runtime.LookupContainer(name) if err != nil { utils.ContainerNotFound(w, name, err) return } if err := ctnr.AttachResize(sz); err != nil { if !errors.Is(err, define.ErrCtrStateInvalid) { utils.InternalServerError(w, fmt.Errorf("cannot resize container: %w", err)) } else { utils.Error(w, http.StatusConflict, err) } return } // This is not a 204, even though we write nothing, for compatibility // reasons. status = http.StatusOK case strings.Contains(r.URL.Path, "/exec/"): name := mux.Vars(r)["id"] ctnr, err := runtime.GetExecSessionContainer(name) if err != nil { utils.SessionNotFound(w, name, err) return } if state, err := ctnr.State(); err != nil { utils.InternalServerError(w, fmt.Errorf("cannot obtain session container state: %w", err)) return } else if state != define.ContainerStateRunning && !query.IgnoreNotRunning { utils.Error(w, http.StatusConflict, fmt.Errorf("container %q in wrong state %q", name, state.String())) return } if err := ctnr.ExecResize(name, sz); err != nil { if !errors.Is(err, define.ErrExecSessionStateInvalid) || !query.IgnoreNotRunning { utils.InternalServerError(w, fmt.Errorf("cannot resize session: %w", err)) return } } // This is not a 204, even though we write nothing, for compatibility // reasons. status = http.StatusCreated } w.WriteHeader(status) }