trufflehog/pkg/detectors/cloudflareglobalapikey/cloudflareglobalapikey.go
2022-03-11 10:24:36 -08:00

85 lines
2.6 KiB
Go

package cloudflareglobalapikey
import (
"context"
"net/http"
"regexp"
"strings"
"github.com/trufflesecurity/trufflehog/v3/pkg/common"
"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
)
type Scanner struct{}
// Ensure the Scanner satisfies the interface at compile time
var _ detectors.Detector = (*Scanner)(nil)
var (
client = common.SaneHttpClient()
apiKeyPat = regexp.MustCompile(detectors.PrefixRegex([]string{"cloudflare"}) + `([A-Za-z0-9_-]{37})`)
// email pattern thanks https://golangcode.com/validate-an-email-address/
// emailPat = regexp.MustCompile("^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$")
emailPat = regexp.MustCompile(`\b([a-zA-Z0-9+._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9_-]+)\b`)
)
// Keywords are used for efficiently pre-filtering chunks.
// Use identifiers in the secret preferably, or the provider name.
func (s Scanner) Keywords() []string {
return []string{"cloudflare"}
}
// FromData will find and optionally verify CloudflareGlobalApiKey secrets in a given set of bytes.
func (s Scanner) FromData(ctx context.Context, verify bool, data []byte) (results []detectors.Result, err error) {
dataStr := string(data)
apiKeyMatches := apiKeyPat.FindAllStringSubmatch(dataStr, -1)
emailMatches := emailPat.FindAllStringSubmatch(dataStr, -1)
for _, apiKeyMatch := range apiKeyMatches {
if len(apiKeyMatch) != 2 {
continue
}
apiKeyRes := strings.TrimSpace(apiKeyMatch[1])
for _, emailMatch := range emailMatches {
if len(emailMatch) != 2 {
continue
}
emailRes := strings.TrimSpace(emailMatch[1])
if detectors.IsKnownFalsePositive(apiKeyRes, detectors.DefaultFalsePositives, true) { // wait- (apiKeyRes, email) might be false positive does not mean (apiKeyRes, another_email) is ?
continue
}
s1 := detectors.Result{
DetectorType: detectorspb.DetectorType_CloudflareGlobalApiKey,
Redacted: emailRes,
Raw: []byte(apiKeyRes),
}
if verify {
req, _ := http.NewRequestWithContext(ctx, "GET", "https://api.cloudflare.com/client/v4/user", nil)
req.Header.Add("X-Auth-Email", emailRes)
req.Header.Add("X-Auth-Key", apiKeyRes)
req.Header.Add("Content-Type", "application/json")
res, err := client.Do(req)
if err == nil {
defer res.Body.Close()
if res.StatusCode >= 200 && res.StatusCode < 300 {
s1.Verified = true
}
}
}
results = append(results, s1)
}
}
return detectors.CleanResults(results), nil
}