Dustin Decker
14e44db2be
* Remove detectors.IsKnownFalsePositive from detectors * Centralize false positive removal in engine * Don't apply fp filtering on custom regex to preserve previous behavior. * fix empty branch * update excludes * update filtering * Add result flag option and exclude some detectors
113 lines
2.9 KiB
Go
113 lines
2.9 KiB
Go
package agora
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import (
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"context"
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"fmt"
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"net/http"
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"strings"
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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/detectorspb"
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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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const agoraURL = "https://api.agora.io"
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var (
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// Ensure the Scanner satisfies the interface at compile time.
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_ detectors.Detector = (*Scanner)(nil)
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defaultClient = common.SaneHttpClient()
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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(detectors.PrefixRegex([]string{"agora"}) + `\b([a-z0-9]{32})\b`)
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secretPat = regexp.MustCompile(detectors.PrefixRegex([]string{"agora"}) + `\b([a-z0-9]{32})\b`)
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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{"agora"}
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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 will find and optionally verify Agora 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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secretMatches := secretPat.FindAllStringSubmatch(dataStr, -1)
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for _, match := range matches {
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if len(match) != 2 {
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continue
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}
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resMatch := strings.TrimSpace(match[1])
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for _, secret := range secretMatches {
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if len(secret) != 2 {
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continue
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}
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resSecret := strings.TrimSpace(secret[1])
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_Agora,
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Raw: []byte(resMatch),
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RawV2: []byte(resMatch + resSecret),
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}
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if verify {
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client := s.getClient()
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isVerified, verificationErr := verifyAgora(ctx, client, resMatch, resSecret)
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s1.Verified = isVerified
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s1.SetVerificationError(verificationErr, resMatch)
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}
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results = append(results, s1)
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}
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}
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return results, nil
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}
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func verifyAgora(ctx context.Context, client *http.Client, resMatch, resSecret string) (bool, error) {
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, agoraURL+"/dev/v1/projects", nil)
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if err != nil {
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return false, err
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}
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req.SetBasicAuth(resSecret, resMatch)
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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 res.Body.Close()
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// https://docs.agora.io/en/voice-calling/reference/agora-console-rest-api#get-all-projects
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switch res.StatusCode {
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case http.StatusOK, http.StatusCreated:
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return true, nil
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case http.StatusUnauthorized, http.StatusForbidden:
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return false, nil
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default:
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return false, fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
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}
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}
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func (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_Agora
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}
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