fleet/server/service/endpoint_campaigns.go

80 lines
2.3 KiB
Go

package service
import (
"context"
"encoding/json"
"net/http"
"github.com/fleetdm/fleet/v4/server/contexts/viewer"
"github.com/fleetdm/fleet/v4/server/fleet"
"github.com/fleetdm/fleet/v4/server/websocket"
kitlog "github.com/go-kit/kit/log"
"github.com/igm/sockjs-go/v3/sockjs"
)
////////////////////////////////////////////////////////////////////////////////
// Stream Distributed Query Campaign Results and Metadata
////////////////////////////////////////////////////////////////////////////////
func makeStreamDistributedQueryCampaignResultsHandler(svc fleet.Service, logger kitlog.Logger) http.Handler {
opt := sockjs.DefaultOptions
opt.Websocket = true
opt.RawWebsocket = true
return sockjs.NewHandler("/api/v1/fleet/results", opt, func(session sockjs.Session) {
conn := &websocket.Conn{Session: session}
defer func() {
if p := recover(); p != nil {
logger.Log("err", p, "msg", "panic in result handler")
conn.WriteJSONError("panic in result handler")
}
session.Close(0, "none")
}()
// Receive the auth bearer token
token, err := conn.ReadAuthToken()
if err != nil {
logger.Log("err", err, "msg", "failed to read auth token")
return
}
// Authenticate with the token
vc, err := authViewer(context.Background(), string(token), svc)
if err != nil || !vc.CanPerformActions() {
logger.Log("err", err, "msg", "unauthorized viewer")
conn.WriteJSONError("unauthorized")
return
}
ctx := viewer.NewContext(context.Background(), *vc)
msg, err := conn.ReadJSONMessage()
if err != nil {
logger.Log("err", err, "msg", "reading select_campaign JSON")
conn.WriteJSONError("error reading select_campaign")
return
}
if msg.Type != "select_campaign" {
logger.Log("err", "unexpected msg type, expected select_campaign", "msg-type", msg.Type)
conn.WriteJSONError("expected select_campaign")
return
}
var info struct {
CampaignID uint `json:"campaign_id"`
}
err = json.Unmarshal(*(msg.Data.(*json.RawMessage)), &info)
if err != nil {
logger.Log("err", err, "msg", "unmarshaling select_campaign data")
conn.WriteJSONError("error unmarshaling select_campaign data")
return
}
if info.CampaignID == 0 {
logger.Log("err", "campaign ID not set")
conn.WriteJSONError("0 is not a valid campaign ID")
return
}
svc.StreamCampaignResults(ctx, conn, info.CampaignID)
})
}