mirror of
https://github.com/trufflesecurity/trufflehog.git
synced 2024-11-15 01:17:34 +00:00
114 lines
3.4 KiB
Go
114 lines
3.4 KiB
Go
package sendbird
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import (
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"context"
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"encoding/json"
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"fmt"
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"net/http"
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"regexp"
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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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client *http.Client
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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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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{"sendbird"}) + `\b([0-9a-f]{40})\b`)
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appIdPat = regexp.MustCompile(detectors.PrefixRegex([]string{"sendbird"}) + `\b([0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12})\b`)
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)
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type userResp struct {
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Code int `json:"code"`
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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{"sendbird"}
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}
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// FromData will find and optionally verify Sendbird 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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appIdMatches := appIdPat.FindAllStringSubmatch(dataStr, -1)
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for _, appIdMatch := range appIdMatches {
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if len(appIdMatch) != 2 {
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continue
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}
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resAppIdMatch := strings.TrimSpace(appIdMatch[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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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_Sendbird,
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Raw: []byte(resMatch),
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}
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if verify {
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req, err := http.NewRequestWithContext(ctx, "GET", fmt.Sprintf("https://api-%s.sendbird.com/v3/users", resAppIdMatch), nil)
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if err != nil {
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continue
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}
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req.Header.Add("Api-Token", resMatch)
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client := s.client
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if client == nil {
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client = defaultClient
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}
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res, err := client.Do(req)
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if err == nil {
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defer res.Body.Close()
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if res.StatusCode >= 200 && res.StatusCode < 300 {
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s1.Verified = true
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} else if res.StatusCode == 400 { // Sendbird returns 400 for all errors
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var userResp userResp
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err := json.NewDecoder(res.Body).Decode(&userResp)
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if err != nil {
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s1.VerificationError = fmt.Errorf("error decoding json response body: %w", err)
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} else if userResp.Code != 400401 {
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// https://sendbird.com/docs/chat/platform-api/v3/error-codes
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// Sendbird always includes its own error codes with 400 responses
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// 400401 (InvalidApiToken) is the only one that indicates a bad token
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s1.VerificationError = fmt.Errorf("unexpected response code: %d", userResp.Code)
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}
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} else {
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s1.VerificationError = fmt.Errorf("unexpected HTTP response status %d", res.StatusCode)
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}
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} else {
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s1.VerificationError = err
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}
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}
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// This function will check false positives for common test words, but also it will make sure the key appears 'random' enough to be a real key.
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if !s1.Verified && detectors.IsKnownFalsePositive(resMatch, detectors.DefaultFalsePositives, true) {
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continue
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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_Sendbird
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}
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