Dustin Decker
5805f11ac6
* Set timeouts on mongo connection string * use lightened snowflake driver * update param
127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
package mongodb
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import (
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"context"
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"net/url"
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"strings"
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"time"
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regexp "github.com/wasilibs/go-re2"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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"go.mongodb.org/mongo-driver/mongo/readpref"
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"go.mongodb.org/mongo-driver/x/mongo/driver/auth"
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"go.mongodb.org/mongo-driver/x/mongo/driver/topology"
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"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
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)
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type Scanner struct {
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timeout time.Duration // Zero value means "default timeout"
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}
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// Ensure the Scanner satisfies the interface at compile time.
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var _ detectors.Detector = (*Scanner)(nil)
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var (
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defaultTimeout = 2 * time.Second
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// Make sure that your group is surrounded in boundary characters such as below to reduce false positives.
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keyPat = regexp.MustCompile(`\b(mongodb(\+srv)?://[\S]{3,50}:([\S]{3,88})@[-.%\w\/:]+)\b`)
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// TODO: Add support for sharded cluster, replica set and Atlas Deployment.
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)
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// Keywords are used for efficiently pre-filtering chunks.
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// Use identifiers in the secret preferably, or the provider name.
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func (s Scanner) Keywords() []string {
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return []string{"mongodb"}
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}
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// FromData will find and optionally verify MongoDB secrets in a given set of bytes.
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func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
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dataStr := string(data)
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matches := keyPat.FindAllStringSubmatch(dataStr, -1)
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for _, match := range matches {
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resMatch := strings.TrimSpace(match[1])
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_MongoDB,
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Raw: []byte(resMatch),
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}
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s1.ExtraData = map[string]string{
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"rotation_guide": "https://howtorotate.com/docs/tutorials/mongo/",
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}
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if verify {
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timeout := s.timeout
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if timeout == 0 {
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timeout = defaultTimeout
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}
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err := verifyUri(resMatch, timeout)
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s1.Verified = err == nil
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if !isErrDeterminate(err) {
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s1.SetVerificationError(err, resMatch)
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}
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}
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results = append(results, s1)
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}
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return results, nil
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}
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func isErrDeterminate(err error) bool {
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switch e := err.(type) {
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case topology.ConnectionError:
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switch e.Unwrap().(type) {
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case *auth.Error:
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return true
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default:
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return false
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}
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default:
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return false
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}
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}
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func verifyUri(uri string, timeout time.Duration) error {
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parsed, err := url.Parse(uri)
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if err != nil {
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return err
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}
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params := url.Values{}
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for k, v := range parsed.Query() {
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if len(v) > 0 {
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switch k {
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case "tls":
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if v[0] == "false" {
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params.Set("tls", "false")
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} else {
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params.Set("tls", "true")
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}
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}
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}
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}
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parsed.RawQuery = params.Encode()
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parsed.Path = "/"
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uri = parsed.String()
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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client, err := mongo.Connect(ctx, options.Client().SetTimeout(timeout).ApplyURI(uri))
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if err != nil {
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return err
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}
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defer func() {
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_ = client.Disconnect(ctx)
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}()
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return client.Ping(ctx, readpref.Primary())
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}
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func (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_MongoDB
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}
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