145 lines
2.8 KiB
Go
145 lines
2.8 KiB
Go
package pganalyzereadkey
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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regexp "github.com/wasilibs/go-re2"
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"github.com/trufflesecurity/trufflehog/v3/pkg/common"
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"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detector_typepb"
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)
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type Scanner struct {
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client *http.Client
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}
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// Compile-time interface check
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var _ detectors.Detector = (*Scanner)(nil)
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var (
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defaultClient = common.SaneHttpClient()
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// pganalyze Read API keys use the format:
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// pgar_<27 alphanumeric characters>
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//
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// Example:
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// pgar_abcdefghijklmnopqrstuvwxyz12
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pganalyzeTokenPat = regexp.MustCompile(
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`\b(pgar_[A-Za-z0-9]{27})\b`,
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)
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)
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// Keywords used for fast pre-filtering
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func (s Scanner) Keywords() []string {
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return []string{
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"pgar_",
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}
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}
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func (s Scanner) getClient() *http.Client {
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if s.client != nil {
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return s.client
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}
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return defaultClient
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}
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// FromData scans for pganalyze API tokens and optionally verifies them.
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func (s Scanner) FromData(
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ctx context.Context,
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verify bool,
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data []byte,
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) (results []detectors.Result, err error) {
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dataStr := string(data)
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uniqueTokens := make(map[string]struct{})
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matches := pganalyzeTokenPat.FindAllStringSubmatch(dataStr, -1)
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for _, match := range matches {
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uniqueTokens[match[1]] = struct{}{}
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}
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for token := range uniqueTokens {
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result := detectors.Result{
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DetectorType: detector_typepb.DetectorType_PgAnalyzeReadKey,
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Raw: []byte(token),
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SecretParts: map[string]string{
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"key": token,
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"access_type": "read",
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},
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}
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if verify {
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verified, verificationErr := verifyPganalyzeToken(
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ctx,
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s.getClient(),
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token,
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)
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result.SetVerificationError(verificationErr, token)
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result.Verified = verified
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}
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results = append(results, result)
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}
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return
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}
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func verifyPganalyzeToken(
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ctx context.Context,
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client *http.Client,
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token string,
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) (bool, error) {
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req, err := http.NewRequestWithContext(
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ctx,
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http.MethodPost,
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"https://app.pganalyze.com/graphql",
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http.NoBody,
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)
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if err != nil {
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return false, err
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}
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req.Header.Set("Authorization", "Token "+token)
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res, err := client.Do(req)
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if err != nil {
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return false, err
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}
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defer func() {
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_, _ = io.Copy(io.Discard, res.Body)
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_ = res.Body.Close()
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}()
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switch res.StatusCode {
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case http.StatusOK:
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return true, nil
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// Explicit invalid auth
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case http.StatusUnauthorized:
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return false, nil
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default:
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return false, fmt.Errorf(
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"unexpected HTTP response status %d",
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res.StatusCode,
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)
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}
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}
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func (s Scanner) Type() detector_typepb.DetectorType {
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return detector_typepb.DetectorType_PgAnalyzeReadKey
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}
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func (s Scanner) Description() string {
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return "pganalyze is a PostgreSQL monitoring and performance analysis platform. pganalyze Read API keys can be used to access read-only monitoring and query performance data."
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}
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