mirror of
https://github.com/trufflesecurity/trufflehog.git
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0f427b3c6a
* adding AI generated descriptions of the key types and their capabilities * removing empty file * Update abbysale.go * update to interface * fixes * fix * small cleanup --------- Co-authored-by: Dylan Ayrey <dxa4481@rit.edu> Co-authored-by: Dustin Decker <dustin@trufflesec.com>
92 lines
2.8 KiB
Go
92 lines
2.8 KiB
Go
package azure
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import (
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"context"
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"fmt"
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regexp "github.com/wasilibs/go-re2"
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"strings"
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"github.com/Azure/go-autorest/autorest/azure/auth"
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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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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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func mustFmtPat(id, pat string) *regexp.Regexp {
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combinedID := strings.ReplaceAll(id, "_", "") + "|" + id
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return regexp.MustCompile(fmt.Sprintf(pat, combinedID))
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}
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var (
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// TODO: Azure storage access keys and investigate other types of creds.
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// Azure App Oauth
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idPatFmt = `(?i)(%s).{0,20}([a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12})`
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clientIDPat = mustFmtPat("client_id", idPatFmt)
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tenantIDPat = mustFmtPat("tenant_id", idPatFmt)
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// TODO: support old patterns
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secretPatFmt = `(?i)(%s).{0,20}([a-z0-9_\.\-~]{34})`
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clientSecretPat = mustFmtPat("client_secret", secretPatFmt)
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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{"azure"}
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}
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// FromData will find and optionally verify Azure 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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clientSecretMatches := clientSecretPat.FindAllStringSubmatch(dataStr, -1)
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for _, clientSecret := range clientSecretMatches {
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tenantIDMatches := tenantIDPat.FindAllStringSubmatch(dataStr, -1)
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for _, tenantID := range tenantIDMatches {
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clientIDMatches := clientIDPat.FindAllStringSubmatch(dataStr, -1)
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for _, clientID := range clientIDMatches {
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res := detectors.Result{
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DetectorType: detectorspb.DetectorType_Azure,
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Raw: []byte(clientSecret[2]),
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RawV2: []byte(clientID[2] + clientSecret[2] + tenantID[2]),
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Redacted: clientID[2],
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ExtraData: map[string]string{
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"rotation_guide": "https://howtorotate.com/docs/tutorials/azure/",
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},
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}
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if verify {
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cred := auth.NewClientCredentialsConfig(clientID[2], clientSecret[2], tenantID[2])
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token, err := cred.ServicePrincipalToken()
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if err != nil {
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continue
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}
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err = token.Refresh()
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if err == nil {
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res.Verified = true
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}
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}
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results = append(results, res)
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}
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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_Azure
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}
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func (s Scanner) Description() string {
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return "Azure is a cloud service offering a wide range of services including compute, analytics, storage, and networking. Azure credentials can be used to access and manage these services."
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}
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