/
handler.go
163 lines (142 loc) · 5.52 KB
/
handler.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
package portscan
import (
"context"
"encoding/json"
"fmt"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/sqs/types"
"github.com/ca-risken/common/pkg/logging"
mimosasqs "github.com/ca-risken/common/pkg/sqs"
"github.com/ca-risken/core/proto/alert"
"github.com/ca-risken/core/proto/finding"
"github.com/ca-risken/datasource-api/pkg/message"
diagnosisClient "github.com/ca-risken/datasource-api/proto/diagnosis"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
)
type SqsHandler struct {
findingClient finding.FindingServiceClient
alertClient alert.AlertServiceClient
diagnosisClient diagnosisClient.DiagnosisServiceClient
logger logging.Logger
}
func NewSqsHandler(
fc finding.FindingServiceClient,
ac alert.AlertServiceClient,
dc diagnosisClient.DiagnosisServiceClient,
l logging.Logger,
) *SqsHandler {
return &SqsHandler{
findingClient: fc,
alertClient: ac,
diagnosisClient: dc,
logger: l,
}
}
func (s *SqsHandler) HandleMessage(ctx context.Context, sqsMsg *types.Message) error {
msgBody := aws.ToString(sqsMsg.Body)
s.logger.Infof(ctx, "got message: %s", msgBody)
// Parse message
msg, err := parseMessage(msgBody)
if err != nil {
s.logger.Errorf(ctx, "Invalid message: SQS_msg=%+v, err=%+v", msgBody, err)
s.updateStatusToError(ctx, msg, err)
return mimosasqs.WrapNonRetryable(err)
}
beforeScanAt := time.Now()
requestID, err := s.logger.GenerateRequestID(fmt.Sprint(msg.ProjectID))
if err != nil {
s.logger.Warnf(ctx, "Failed to generate requestID: err=%+v", err)
requestID = fmt.Sprint(msg.ProjectID)
}
s.logger.Infof(ctx, "start Scan, RequestID=%s", requestID)
// Get portscan
portscan, err := newPortscanClient()
if err != nil {
s.logger.Errorf(ctx, "Failed to create Portscan session: err=%+v", err)
s.updateStatusToError(ctx, msg, err)
return mimosasqs.WrapNonRetryable(err)
}
portscan.makeTargets(msg.Target)
tspan, tctx := tracer.StartSpanFromContext(ctx, "getResult")
nmapResults, err := portscan.getResult(tctx, msg)
tspan.Finish(tracer.WithError(err))
if err != nil {
s.logger.Warnf(ctx, "Failed to get findings to Diagnosis Portscan: PortscanSettingID=%+v, Target=%+v, err=%+v", msg.PortscanSettingID, msg.Target, err)
s.updateStatusToError(ctx, msg, err)
return mimosasqs.WrapNonRetryable(err)
}
// Put finding to core
if err := s.putFindings(ctx, nmapResults, msg); err != nil {
s.logger.Errorf(ctx, "Failed to put findings: PortscanSettingID=%+v, Target=%+v, err=%+v", msg.PortscanSettingID, msg.Target, err)
s.updateStatusToError(ctx, msg, err)
return mimosasqs.WrapNonRetryable(err)
}
// Clear score for inactive findings
if _, err := s.findingClient.ClearScore(ctx, &finding.ClearScoreRequest{
DataSource: msg.DataSource,
ProjectId: msg.ProjectID,
Tag: []string{msg.Target},
BeforeAt: beforeScanAt.Unix(),
}); err != nil {
s.logger.Errorf(ctx, "Failed to clear finding score. PortscanSettingID: %v, error: %v", msg.PortscanSettingID, err)
s.updateStatusToError(ctx, msg, err)
return mimosasqs.WrapNonRetryable(err)
}
if err := s.putPortscanTarget(ctx, msg.PortscanTargetID, msg.ProjectID, true, ""); err != nil {
s.logger.Errorf(ctx, "Failed to put portscanTarget: PortscanSettingID=%+v, Target=%+v, err=%+v", msg.PortscanSettingID, msg.Target, err)
return mimosasqs.WrapNonRetryable(err)
}
s.logger.Infof(ctx, "Scan finished. ProjectID: %v, PortscanSettingID: %v, Target: %v, RequestID: %s", msg.ProjectID, msg.PortscanSettingID, msg.Target, requestID)
if msg.ScanOnly {
return nil
}
if err := s.analyzeAlert(ctx, msg.ProjectID); err != nil {
s.logger.Notifyf(ctx, logging.ErrorLevel, "Failed to analyzeAlert, project_id=%d, err=%+v", msg.ProjectID, err)
return mimosasqs.WrapNonRetryable(err)
}
return nil
}
func (s *SqsHandler) updateStatusToError(ctx context.Context, msg *message.PortscanQueueMessage, err error) {
if updateErr := s.putPortscanTarget(ctx, msg.PortscanTargetID, msg.ProjectID, false, err.Error()); updateErr != nil {
s.logger.Warnf(ctx, "Failed to update scan status error: err=%+v", updateErr)
}
}
func (s *SqsHandler) putPortscanTarget(ctx context.Context, portscanTargetID, projectID uint32, isSuccess bool, errDetail string) error {
resp, err := s.diagnosisClient.GetPortscanTarget(ctx, &diagnosisClient.GetPortscanTargetRequest{PortscanTargetId: portscanTargetID, ProjectId: projectID})
if err != nil {
return err
}
portscanTarget := &diagnosisClient.PortscanTargetForUpsert{
PortscanTargetId: resp.PortscanTarget.PortscanTargetId,
PortscanSettingId: resp.PortscanTarget.PortscanSettingId,
ProjectId: resp.PortscanTarget.ProjectId,
Target: resp.PortscanTarget.Target,
ScanAt: time.Now().Unix(),
}
if isSuccess {
portscanTarget.Status = diagnosisClient.Status_OK
portscanTarget.StatusDetail = ""
} else {
portscanTarget.Status = diagnosisClient.Status_ERROR
portscanTarget.StatusDetail = errDetail
}
_, err = s.diagnosisClient.PutPortscanTarget(ctx, &diagnosisClient.PutPortscanTargetRequest{ProjectId: resp.PortscanTarget.ProjectId, PortscanTarget: portscanTarget})
if err != nil {
return err
}
return nil
}
func parseMessage(msg string) (*message.PortscanQueueMessage, error) {
message := &message.PortscanQueueMessage{}
if err := json.Unmarshal([]byte(msg), message); err != nil {
return nil, err
}
return message, nil
}
func (s *SqsHandler) analyzeAlert(ctx context.Context, projectID uint32) error {
_, err := s.alertClient.AnalyzeAlert(ctx, &alert.AnalyzeAlertRequest{
ProjectId: projectID,
})
return err
}