116 lines
3.2 KiB
Go
116 lines
3.2 KiB
Go
package amplitudeapikey
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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/detectorspb"
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)
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type Scanner struct {
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client *http.Client
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detectors.DefaultMultiPartCredentialProvider
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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{"amplitude"}) + `\b([0-9a-f]{32})\b`)
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secretPat = regexp.MustCompile(detectors.PrefixRegex([]string{"amplitude"}) + `\b([0-9a-f]{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{"amplitude"}
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}
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// FromData will find and optionally verify AmplitudeApiKey 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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var uniqueKeys, uniqueSecrets = make(map[string]struct{}), make(map[string]struct{})
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for _, matches := range keyPat.FindAllStringSubmatch(dataStr, -1) {
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uniqueKeys[matches[1]] = struct{}{}
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}
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for _, matches := range secretPat.FindAllStringSubmatch(dataStr, -1) {
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uniqueSecrets[matches[1]] = struct{}{}
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}
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for key := range uniqueKeys {
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for secret := range uniqueSecrets {
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// regex for both key and secret are same so the set of strings could possibly be same as well
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if key == secret {
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continue
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}
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s1 := detectors.Result{
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DetectorType: detectorspb.DetectorType_AmplitudeApiKey,
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Raw: []byte(key),
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RawV2: []byte(key + secret),
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}
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if verify {
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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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isVerified, verificationErr := verifyAdobeIOSecret(ctx, client, key, secret)
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s1.Verified = isVerified
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s1.SetVerificationError(verificationErr)
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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 verifyAdobeIOSecret(ctx context.Context, client *http.Client, key string, secret string) (bool, error) {
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://amplitude.com/api/2/taxonomy/category", 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(key, secret)
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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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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 status code: %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_AmplitudeApiKey
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}
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func (s Scanner) Description() string {
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return "Amplitude is a product analytics service that helps companies track and analyze user behavior within web and mobile applications. Amplitude API keys can be used to access and modify this data."
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}
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