* Fix linter errors. * Fix gist adding test. * Update test string for mock JSON reply. * Remove if.
85 lines
2.5 KiB
Go
85 lines
2.5 KiB
Go
package slack
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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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"github.com/trufflesecurity/trufflehog/v3/pkg/detectors"
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"github.com/trufflesecurity/trufflehog/v3/pkg/pb/detectorspb"
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"github.com/trufflesecurity/trufflehog/v3/pkg/common"
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)
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type Scanner struct{}
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// Check that the Slack scanner implements the SecretScanner interface at compile time.
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var _ detectors.Detector = Scanner{}
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var (
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tokenPats = map[string]*regexp.Regexp{
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"Slack Bot Token": regexp.MustCompile(`xoxb\-[0-9]{10,13}\-[0-9]{10,13}[a-zA-Z0-9\-]*`),
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"Slack User Token": regexp.MustCompile(`xoxp\-[0-9]{10,13}\-[0-9]{10,13}[a-zA-Z0-9\-]*`),
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"Slack Workspace Access Token": regexp.MustCompile(`xoxa\-[0-9]{10,13}\-[0-9]{10,13}[a-zA-Z0-9\-]*`),
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"Slack Workspace Refresh Token": regexp.MustCompile(`xoxr\-[0-9]{10,13}\-[0-9]{10,13}[a-zA-Z0-9\-]*`),
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}
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verifyURL = "https://slack.com/api/auth.test"
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)
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type authRes struct {
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Ok bool `json:"ok"`
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URL string `json:"url"` // Workspace URL
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Team string `json:"team"` // Human friendly workspace name
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User string `json:"user"` // Username
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TeamID string `json:"team_id"`
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UserID string `json:"user_id"`
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BotID string `json:"bot_id"`
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Error string `json:"error"`
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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{"xoxb-", "xoxp-", "xoxa-", "xoxr-"}
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}
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// FromData will find and optionally verify Slack 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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for _, tokenPat := range tokenPats {
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tokens := tokenPat.FindAllString(dataStr, -1)
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for _, token := range tokens {
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s := detectors.Result{
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DetectorType: detectorspb.DetectorType_Slack,
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Raw: []byte(token),
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}
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if verify {
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client := common.SaneHttpClient()
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req, err := http.NewRequestWithContext(ctx, "POST", verifyURL, nil)
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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/json; charset=utf-8")
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req.Header.Add("Authorization", fmt.Sprintf("Bearer %s", token))
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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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var authResponse authRes
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if err := json.NewDecoder(res.Body).Decode(&authResponse); err != nil {
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continue
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}
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s.Verified = authResponse.Ok
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}
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}
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results = append(results, s)
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}
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}
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return
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}
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