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Files
dozzle/internal/web/download.go
2025-02-03 12:42:09 -08:00

101 lines
2.7 KiB
Go

package web
import (
"archive/zip"
"fmt"
"io"
"net/http"
"strings"
"time"
"github.com/amir20/dozzle/internal/auth"
"github.com/amir20/dozzle/internal/container"
"github.com/docker/docker/pkg/stdcopy"
"github.com/go-chi/chi/v5"
)
func (h *handler) downloadLogs(w http.ResponseWriter, r *http.Request) {
hostIds := strings.Split(chi.URLParam(r, "hostIds"), ",")
if len(hostIds) == 0 {
http.Error(w, "no container ids provided", http.StatusBadRequest)
return
}
usersFilter := h.config.Filter
if h.config.Authorization.Provider != NONE {
user := auth.UserFromContext(r.Context())
if user.ContainerFilter.Exists() {
usersFilter = user.ContainerFilter
}
}
now := time.Now()
nowFmt := now.Format("2006-01-02T15-04-05")
var stdTypes container.StdType
if r.URL.Query().Has("stdout") {
stdTypes |= container.STDOUT
}
if r.URL.Query().Has("stderr") {
stdTypes |= container.STDERR
}
if stdTypes == 0 {
http.Error(w, "stdout or stderr is required", http.StatusBadRequest)
return
}
// Set headers for zip file
w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=container-logs-%s.zip", nowFmt))
w.Header().Set("Content-Type", "application/zip")
// Create zip writer
zw := zip.NewWriter(w)
defer zw.Close()
// Process each container
for _, hostId := range hostIds {
parts := strings.Split(hostId, ":")
if len(parts) != 2 {
http.Error(w, fmt.Sprintf("invalid host id: %s", hostId), http.StatusBadRequest)
return
}
host := parts[0]
id := parts[1]
containerService, err := h.multiHostService.FindContainer(host, id, usersFilter)
if err != nil {
http.Error(w, fmt.Sprintf("error finding container %s: %v", id, err), http.StatusBadRequest)
return
}
// Create new file in zip for this container's logs
fileName := fmt.Sprintf("%s-%s.log", containerService.Container.Name, nowFmt)
f, err := zw.Create(fileName)
if err != nil {
http.Error(w, fmt.Sprintf("error creating zip entry: %v", err), http.StatusInternalServerError)
return
}
// Get container logs
reader, err := containerService.RawLogs(r.Context(), time.Time{}, now, stdTypes)
if err != nil {
http.Error(w, fmt.Sprintf("error getting logs for container %s: %v", id, err), http.StatusInternalServerError)
return
}
// Copy logs directly to zip entry
if containerService.Container.Tty {
if _, err := io.Copy(f, reader); err != nil {
http.Error(w, fmt.Sprintf("error copying logs for container %s: %v", id, err), http.StatusInternalServerError)
return
}
} else {
if _, err := stdcopy.StdCopy(f, f, reader); err != nil {
http.Error(w, fmt.Sprintf("error copying logs for container %s: %v", id, err), http.StatusInternalServerError)
return
}
}
}
}