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Crowdsec/decisions_stream bug fix (#1517)

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* Fix bug when stream interval is greater or equal to 60s

Co-authored-by: alteredCoder <kevin@crowdsec.net>
This commit is contained in:
he2ss 2022-05-27 15:23:59 +02:00 • committed by GitHub
parent 1fc9587919
commit e88e9946f9
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 52 additions and 28 deletions
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36
pkg/apiserver/controllers/v1/decisions.go
View file

@ -1,8 +1,6 @@
package v1
import (
"crypto/sha512"
"fmt"
"net/http"
"strconv"
"time"
@ -36,6 +34,12 @@ func (c *Controller) GetDecision(gctx *gin.Context) {
var results []*models.Decision
var data []*ent.Decision
bouncerInfo, err := getBouncerFromContext(gctx)
if err != nil {
gctx.JSON(http.StatusUnauthorized, gin.H{"message": "not allowed"})
return
}
data, err = c.DBClient.QueryDecisionWithFilter(gctx.Request.URL.Query())
if err != nil {
c.HandleDBErrors(gctx, err)
@ -59,6 +63,13 @@ func (c *Controller) GetDecision(gctx *gin.Context) {
gctx.String(http.StatusOK, "")
return
}
if time.Now().UTC().Sub(bouncerInfo.LastPull) >= time.Minute {
if err := c.DBClient.UpdateBouncerLastPull(time.Now().UTC(), bouncerInfo.ID); err != nil {
log.Errorf("failed to update bouncer last pull: %v", err)
}
}
gctx.JSON(http.StatusOK, results)
}
@ -101,25 +112,14 @@ func (c *Controller) DeleteDecisions(gctx *gin.Context) {
func (c *Controller) StreamDecision(gctx *gin.Context) {
var data []*ent.Decision
var err error
ret := make(map[string][]*models.Decision, 0)
ret["new"] = []*models.Decision{}
ret["deleted"] = []*models.Decision{}
streamStartTime := time.Now().UTC()
val := gctx.Request.Header.Get(c.APIKeyHeader)
hashedKey := sha512.New()
hashedKey.Write([]byte(val))
hashStr := fmt.Sprintf("%x", hashedKey.Sum(nil))
bouncerInfo, err := c.DBClient.SelectBouncer(hashStr)
bouncerInfo, err := getBouncerFromContext(gctx)
if err != nil {
if _, ok := err.(*ent.NotFoundError); ok {
gctx.JSON(http.StatusForbidden, gin.H{"message": err.Error()})
} else {
gctx.JSON(http.StatusUnauthorized, gin.H{"message": "not allowed"})
}
return
}
if bouncerInfo == nil {
gctx.JSON(http.StatusUnauthorized, gin.H{"message": "not allowed"})
return
}
@ -159,7 +159,7 @@ func (c *Controller) StreamDecision(gctx *gin.Context) {
return
}
if err := c.DBClient.UpdateBouncerLastPull(time.Now().UTC(), bouncerInfo.ID); err != nil {
if err := c.DBClient.UpdateBouncerLastPull(streamStartTime, bouncerInfo.ID); err != nil {
log.Errorf("unable to update bouncer '%s' pull: %v", bouncerInfo.Name, err)
gctx.JSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
return
@ -201,7 +201,7 @@ func (c *Controller) StreamDecision(gctx *gin.Context) {
return
}
if err := c.DBClient.UpdateBouncerLastPull(time.Now().UTC(), bouncerInfo.ID); err != nil {
if err := c.DBClient.UpdateBouncerLastPull(streamStartTime, bouncerInfo.ID); err != nil {
log.Errorf("unable to update bouncer '%s' pull: %v", bouncerInfo.Name, err)
gctx.JSON(http.StatusInternalServerError, gin.H{"message": err.Error()})
return

26
pkg/apiserver/controllers/v1/utils.go Normal file
View file

@ -0,0 +1,26 @@
package v1
import (
"fmt"
"github.com/crowdsecurity/crowdsec/pkg/database/ent"
"github.com/gin-gonic/gin"
)
var (
bouncerContextKey = "bouncer_info"
)
func getBouncerFromContext(ctx *gin.Context) (*ent.Bouncer, error) {
bouncerInterface, exist := ctx.Get(bouncerContextKey)
if !exist {
return nil, fmt.Errorf("bouncer not found")
}
bouncerInfo, ok := bouncerInterface.(*ent.Bouncer)
if !ok {
return nil, fmt.Errorf("bouncer not found")
}
return bouncerInfo, nil
}

4
pkg/apiserver/decisions_test.go
View file

@ -2,6 +2,7 @@ package apiserver
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
@ -313,6 +314,8 @@ func TestStreamDecisionDedup(t *testing.T) {
// Create Valid Alert : 3 decisions for 127.0.0.1, longest has id=3
lapi.InsertAlertFromFile("./tests/alert_sample.json")
time.Sleep(2 * time.Second)
// Get Stream, we only get one decision (the longest one)
w := lapi.RecordResponse("GET", "/v1/decisions/stream?startup=true", emptyBody)
decisions, code, err := readDecisionsStreamResp(w)
@ -335,7 +338,6 @@ func TestStreamDecisionDedup(t *testing.T) {
assert.Equal(t, code, 200)
assert.Equal(t, len(decisions["deleted"]), 0)
assert.Equal(t, len(decisions["new"]), 0)
// We delete another decision, yet don't receive it in stream, since there's another decision on same IP
w = lapi.RecordResponse("DELETE", "/v1/decisions/2", emptyBody)
assert.Equal(t, 200, w.Code)

10
pkg/apiserver/middlewares/v1/api_key.go
View file

@ -7,7 +7,6 @@ import (
"fmt"
"net/http"
"strings"
"time"
"github.com/crowdsecurity/crowdsec/pkg/database"
"github.com/gin-gonic/gin"
@ -15,7 +14,8 @@ import (
)
var (
APIKeyHeader = "X-Api-Key"
APIKeyHeader = "X-Api-Key"
bouncerContextKey = "bouncer_info"
)
type APIKey struct {
@ -110,11 +110,7 @@ func (a *APIKey) MiddlewareFunc() gin.HandlerFunc {
}
}
if c.Request.Method != "HEAD" && time.Now().UTC().Sub(bouncer.LastPull) >= time.Minute {
if err := a.DbClient.UpdateBouncerLastPull(time.Now().UTC(), bouncer.ID); err != nil {
log.Errorf("failed to update bouncer last pull: %v", err)
}
}
c.Set(bouncerContextKey, bouncer)
c.Next()
}

4
pkg/database/alerts.go
View file

@ -763,9 +763,9 @@ func (c *Client) QueryAlertWithFilter(filter map[string][]string) ([]*ent.Alert,
}
if sort == "ASC" {
alerts = alerts.Order(ent.Asc(alert.FieldCreatedAt))
alerts = alerts.Order(ent.Asc(alert.FieldCreatedAt), ent.Asc(alert.FieldID))
} else {
alerts = alerts.Order(ent.Desc(alert.FieldCreatedAt))
alerts = alerts.Order(ent.Desc(alert.FieldCreatedAt), ent.Desc(alert.FieldID))
}
result, err := alerts.Limit(paginationSize).Offset(offset).All(c.CTX)