feat(14-04): implement 7 Phase 14 sources (CI/CD, archives, JS bundles)

- TravisCISource: scrapes public Travis CI build logs for API key leaks
- GitHubActionsSource: searches Actions workflow logs (requires GitHub token)
- CircleCISource: scrapes CircleCI pipeline logs (requires CircleCI token)
- JenkinsSource: scrapes public Jenkins console output for leaked secrets
- WaybackMachineSource: searches Wayback Machine CDX for archived key leaks
- CommonCrawlSource: searches Common Crawl index for exposed pages
- JSBundleSource: probes JS bundles for embedded API key literals

pkg/recon/sources/travisci.go

@@ -0,0 +1,140 @@
+package sources
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"regexp"
+	"time"
+
+	"golang.org/x/time/rate"
+
+	"github.com/salvacybersec/keyhunter/pkg/providers"
+	"github.com/salvacybersec/keyhunter/pkg/recon"
+)
+
+// TravisCISource scrapes public Travis CI build logs for leaked API keys.
+// Travis CI exposes build logs publicly by default for open-source projects.
+// Developers frequently print environment variables or use secrets insecurely
+// in CI scripts, causing API keys to appear in build output.
+type TravisCISource struct {
+	BaseURL  string
+	Registry *providers.Registry
+	Limiters *recon.LimiterRegistry
+	Client   *Client
+}
+
+var _ recon.ReconSource = (*TravisCISource)(nil)
+
+func (s *TravisCISource) Name() string              { return "travisci" }
+func (s *TravisCISource) RateLimit() rate.Limit      { return rate.Every(3 * time.Second) }
+func (s *TravisCISource) Burst() int                 { return 2 }
+func (s *TravisCISource) RespectsRobots() bool       { return false }
+func (s *TravisCISource) Enabled(_ recon.Config) bool { return true }
+
+// travisBuildResponse represents the Travis CI API builds response.
+type travisBuildResponse struct {
+	Builds []travisBuild `json:"builds"`
+}
+
+type travisBuild struct {
+	ID    int    `json:"id"`
+	State string `json:"state"`
+}
+
+// ciLogKeyPattern matches API key patterns commonly leaked in CI logs.
+var ciLogKeyPattern = regexp.MustCompile(`(?i)(api[_-]?key|secret[_-]?key|token|password|credential|auth[_-]?token)['":\s]*[=:]\s*['"]?([a-zA-Z0-9_\-]{16,})['"]?`)
+
+func (s *TravisCISource) Sweep(ctx context.Context, _ string, out chan<- recon.Finding) error {
+	base := s.BaseURL
+	if base == "" {
+		base = "https://api.travis-ci.org"
+	}
+	client := s.Client
+	if client == nil {
+		client = NewClient()
+	}
+
+	queries := BuildQueries(s.Registry, "travisci")
+	if len(queries) == 0 {
+		return nil
+	}
+
+	for _, q := range queries {
+		if err := ctx.Err(); err != nil {
+			return err
+		}
+
+		if s.Limiters != nil {
+			if err := s.Limiters.Wait(ctx, s.Name(), s.RateLimit(), s.Burst(), false); err != nil {
+				return err
+			}
+		}
+
+		// Search for builds related to the query keyword.
+		searchURL := fmt.Sprintf("%s/builds?search=%s&limit=5", base, q)
+		req, err := http.NewRequestWithContext(ctx, http.MethodGet, searchURL, nil)
+		if err != nil {
+			continue
+		}
+		req.Header.Set("Travis-API-Version", "3")
+		req.Header.Set("Accept", "application/json")
+
+		resp, err := client.Do(ctx, req)
+		if err != nil {
+			continue
+		}
+
+		var builds travisBuildResponse
+		if err := json.NewDecoder(resp.Body).Decode(&builds); err != nil {
+			_ = resp.Body.Close()
+			continue
+		}
+		_ = resp.Body.Close()
+
+		for _, b := range builds.Builds {
+			if err := ctx.Err(); err != nil {
+				return err
+			}
+
+			if s.Limiters != nil {
+				if err := s.Limiters.Wait(ctx, s.Name(), s.RateLimit(), s.Burst(), false); err != nil {
+					return err
+				}
+			}
+
+			// Fetch the build log.
+			logURL := fmt.Sprintf("%s/builds/%d/log", base, b.ID)
+			logReq, err := http.NewRequestWithContext(ctx, http.MethodGet, logURL, nil)
+			if err != nil {
+				continue
+			}
+			logReq.Header.Set("Travis-API-Version", "3")
+			logReq.Header.Set("Accept", "text/plain")
+
+			logResp, err := client.Do(ctx, logReq)
+			if err != nil {
+				continue
+			}
+
+			body, err := io.ReadAll(io.LimitReader(logResp.Body, 256*1024))
+			_ = logResp.Body.Close()
+			if err != nil {
+				continue
+			}
+
+			if ciLogKeyPattern.Match(body) {
+				out <- recon.Finding{
+					ProviderName: q,
+					Source:       logURL,
+					SourceType:   "recon:travisci",
+					Confidence:   "medium",
+					DetectedAt:   time.Now(),
+				}
+			}
+		}
+	}
+	return nil
+}