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
93 lines
2.6 KiB
Go
93 lines
2.6 KiB
Go
package webex
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import (
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"context"
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"encoding/json"
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regexp "github.com/wasilibs/go-re2"
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"io"
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"net/http"
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"strings"
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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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// 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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keyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"webex"}) + `\b([a-f0-9]{64})\b`)
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idPat = regexp.MustCompile(detectors.PrefixRegex([]string{"webex"}) + `\b(C[a-f0-9]{64})\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{"webex"}
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}
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// FromData will find and optionally verify Webex 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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idMatches := idPat.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 _, idMatch := range idMatches {
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if len(idMatch) != 2 {
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continue
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}
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id := strings.TrimSpace(idMatch[1])
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_Webex,
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Raw: []byte(resMatch),
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}
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if verify {
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payload := strings.NewReader("grant_type=authorization_code&code=362ad374-735c-4f69-aa8e-bf384f8602de&client_id=" + id + "&client_secret=" + resMatch + "&redirect_uri=http%3A%2F%2Flocalhost.com%2Fb")
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req, err := http.NewRequestWithContext(ctx, "POST", "https://webexapis.com/v1/access_token", payload)
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if err != nil {
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continue
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}
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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client := common.SaneHttpClient()
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res, err := client.Do(req)
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if err == nil {
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body, err := io.ReadAll(res.Body)
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res.Body.Close()
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if err == nil {
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var message struct {
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Message string `json:"message"`
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}
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if err := json.Unmarshal(body, &message); err == nil {
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var getError = regexp.MustCompile(detectors.PrefixRegex([]string{"error"}) + `(redirect_uri_mismatch)`)
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result := getError.FindAllStringSubmatch(message.Message, -1)
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if len(result) > 0 {
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s1.Verified = true
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}
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}
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}
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}
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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 (s Scanner) Type() detectorspb.DetectorType {
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return detectorspb.DetectorType_Webex
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}
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