Files
kubescape/httphandler/handlerequests/v1/requestparser.go
2022-07-18 23:59:56 +03:00

112 lines
3.3 KiB
Go

package v1
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"sync"
"github.com/armosec/kubescape/v2/core/cautils"
utilsmetav1 "github.com/armosec/opa-utils/httpserver/meta/v1"
logger "github.com/dwertent/go-logger"
"github.com/dwertent/go-logger/helpers"
"github.com/gorilla/schema"
)
type scanResponseChan struct {
scanResponseChan map[string]chan *utilsmetav1.Response
mtx sync.RWMutex
}
// get response object chan
func (resChan *scanResponseChan) get(key string) chan *utilsmetav1.Response {
resChan.mtx.RLock()
defer resChan.mtx.RUnlock()
return resChan.scanResponseChan[key]
}
// set chan for response object
func (resChan *scanResponseChan) set(key string) {
resChan.mtx.Lock()
defer resChan.mtx.Unlock()
resChan.scanResponseChan[key] = make(chan *utilsmetav1.Response)
}
// push response object to chan
func (resChan *scanResponseChan) push(key string, resp *utilsmetav1.Response) {
resChan.mtx.Lock()
defer resChan.mtx.Unlock()
if _, ok := resChan.scanResponseChan[key]; ok {
resChan.scanResponseChan[key] <- resp
}
}
// delete channel
func (resChan *scanResponseChan) delete(key string) {
resChan.mtx.Lock()
defer resChan.mtx.Unlock()
delete(resChan.scanResponseChan, key)
}
func newScanResponseChan() *scanResponseChan {
return &scanResponseChan{
scanResponseChan: make(map[string]chan *utilsmetav1.Response),
mtx: sync.RWMutex{},
}
}
type ScanQueryParams struct {
ReturnResults bool `schema:"wait"` // wait for scanning to complete (synchronized request)
KeepResults bool `schema:"keep"` // do not delete results after returning (relevant only for synchronized requests)
}
type ResultsQueryParams struct {
ScanID string `schema:"id"`
KeepResults bool `schema:"keep"` // do not delete results after returning (default will delete results)
AllResults bool `schema:"all"` // delete all results
}
type StatusQueryParams struct {
ScanID string `schema:"id"`
}
// scanRequestParams params passed to channel
type scanRequestParams struct {
scanInfo *cautils.ScanInfo // request as received from api
scanQueryParams *ScanQueryParams // request as received from api
scanID string // generated scan ID
}
func getScanParamsFromRequest(r *http.Request, scanID string) (*scanRequestParams, error) {
defer r.Body.Close()
scanRequestParams := &scanRequestParams{}
scanQueryParams := &ScanQueryParams{}
if err := schema.NewDecoder().Decode(scanQueryParams, r.URL.Query()); err != nil {
return scanRequestParams, fmt.Errorf("failed to parse query params, reason: %s", err.Error())
}
readBuffer, err := ioutil.ReadAll(r.Body)
if err != nil {
// handler.writeError(w, fmt.Errorf("failed to read request body, reason: %s", err.Error()), scanID)
return scanRequestParams, fmt.Errorf("failed to read request body, reason: %s", err.Error())
}
logger.L().Info("REST API received scan request", helpers.String("body", string(readBuffer)))
scanRequest := &utilsmetav1.PostScanRequest{}
if err := json.Unmarshal(readBuffer, &scanRequest); err != nil {
return scanRequestParams, fmt.Errorf("failed to parse request payload, reason: %s", err.Error())
}
scanInfo := getScanCommand(scanRequest, scanID)
scanRequestParams.scanID = scanID
scanRequestParams.scanQueryParams = scanQueryParams
scanRequestParams.scanInfo = scanInfo
return scanRequestParams, nil
}