/
handler.go
166 lines (148 loc) · 5.74 KB
/
handler.go
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package cloudsploit
import (
"context"
"errors"
"fmt"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/sqs/types"
"github.com/ca-risken/aws/pkg/common"
"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"
awsClient "github.com/ca-risken/datasource-api/proto/aws"
"gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer"
)
type SqsHandler struct {
findingClient finding.FindingServiceClient
alertClient alert.AlertServiceClient
awsClient awsClient.AWSServiceClient
cloudsploitConf *CloudsploitConfig
logger logging.Logger
}
func NewSqsHandler(
fc finding.FindingServiceClient,
ac alert.AlertServiceClient,
awsc awsClient.AWSServiceClient,
csConfig *CloudsploitConfig,
l logging.Logger,
) *SqsHandler {
return &SqsHandler{
findingClient: fc,
alertClient: ac,
awsClient: awsc,
cloudsploitConf: csConfig,
logger: l,
}
}
func (s *SqsHandler) HandleMessage(ctx context.Context, sqsMsg *types.Message) error {
msgBody := aws.ToString(sqsMsg.Body)
s.logger.Infof(ctx, "got message. message: %v", msgBody)
// Parse message
msg, err := message.ParseMessageAWS(msgBody)
if err != nil {
s.logger.Errorf(ctx, "Invalid message. message: %v, error: %v", 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)
status := common.InitScanStatus(msg)
// check AccountID matches Arn for Scan
if !common.IsMatchAccountIDArn(msg.AccountID, msg.AssumeRoleArn) {
s.logger.Warnf(ctx, "AccountID doesn't match AssumeRoleArn, accountID: %v, ARN: %v", msg.AccountID, msg.AssumeRoleArn)
err = fmt.Errorf("AssumeRoleArn for CloudSploit must be created in AWS AccountID: %v", msg.AccountID)
s.updateStatusToError(ctx, &status, err)
return mimosasqs.WrapNonRetryable(err)
}
err = s.cloudsploitConf.generate(ctx, msg.AssumeRoleArn, msg.ExternalID, msg.AWSID, msg.AccountID)
if err != nil {
s.updateStatusToError(ctx, &status, err)
return mimosasqs.WrapNonRetryable(err)
}
// Run cloudsploit
tspan, _ := tracer.StartSpanFromContext(ctx, "runCloudSploit")
s.logger.Infof(ctx, "start cloudsploit scan, RequestID=%s", requestID)
cloudsploitResult, err := s.cloudsploitConf.run(ctx, msg.AccountID)
tspan.Finish(tracer.WithError(err))
if err != nil {
s.logger.Errorf(ctx, "Failed to exec cloudsploit, error: %v", err)
s.updateStatusToError(ctx, &status, err)
var target EmptyOutputError
if errors.As(err, &target) {
s.logger.Warnf(ctx, "EmptyOutputError detected. Retry scanning ...: %v", err)
return err // Retryable error
}
return mimosasqs.WrapNonRetryable(err)
}
s.logger.Infof(ctx, "end cloudsploit scan, RequestID=%s", requestID)
// Put Finding and Tag Finding
if err := s.putFindings(ctx, cloudsploitResult, msg); err != nil {
s.logger.Errorf(ctx, "Faild to put findings. AWSID: %v, error: %v", msg.AWSID, err)
s.updateStatusToError(ctx, &status, 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.AccountID},
BeforeAt: beforeScanAt.Unix(),
}); err != nil {
s.logger.Errorf(ctx, "Failed to clear finding score. AWSID: %v, error: %v", msg.AWSID, err)
s.updateStatusToError(ctx, &status, err)
return mimosasqs.WrapNonRetryable(err)
}
// Update status
if err := s.updateScanStatusSuccess(ctx, &status, unknownFindings(cloudsploitResult)); err != nil {
s.logger.Errorf(ctx, "Faild to update scan status. AWSID: %v, error: %v", msg.AWSID, err)
return mimosasqs.WrapNonRetryable(err)
}
s.logger.Infof(ctx, "end Scan, RequestID=%s", requestID)
if msg.ScanOnly {
return nil
}
// Call AnalyzeAlert
if err := s.CallAnalyzeAlert(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, scanStatus *awsClient.AttachDataSourceRequest, err error) {
if updateErr := s.updateScanStatusError(ctx, scanStatus, err.Error()); updateErr != nil {
s.logger.Warnf(ctx, "Failed to update scan status error: err=%+v", updateErr)
}
}
func (s *SqsHandler) updateScanStatusError(ctx context.Context, status *awsClient.AttachDataSourceRequest, statusDetail string) error {
status.AttachDataSource.Status = awsClient.Status_ERROR
status.AttachDataSource.StatusDetail = statusDetail
return s.attachAWSStatus(ctx, status)
}
func (s *SqsHandler) updateScanStatusSuccess(ctx context.Context, status *awsClient.AttachDataSourceRequest, statusDetail string) error {
status.AttachDataSource.Status = awsClient.Status_OK
status.AttachDataSource.StatusDetail = statusDetail
return s.attachAWSStatus(ctx, status)
}
func (s *SqsHandler) attachAWSStatus(ctx context.Context, status *awsClient.AttachDataSourceRequest) error {
resp, err := s.awsClient.AttachDataSource(ctx, status)
if err != nil {
return err
}
s.logger.Infof(ctx, "Success to update AWS status, response=%+v", resp)
return nil
}
func (s *SqsHandler) CallAnalyzeAlert(ctx context.Context, projectID uint32) error {
_, err := s.alertClient.AnalyzeAlert(ctx, &alert.AnalyzeAlertRequest{ProjectId: projectID})
if err != nil {
return err
}
s.logger.Info(ctx, "Success to analyze alert.")
return nil
}