diff --git a/pkg/recon/sources/rapidapi.go b/pkg/recon/sources/rapidapi.go new file mode 100644 index 0000000..21254ca --- /dev/null +++ b/pkg/recon/sources/rapidapi.go @@ -0,0 +1,95 @@ +package sources + +import ( + "context" + "fmt" + "io" + "net/http" + "net/url" + "time" + + "golang.org/x/time/rate" + + "github.com/salvacybersec/keyhunter/pkg/providers" + "github.com/salvacybersec/keyhunter/pkg/recon" +) + +// RapidAPISource searches public RapidAPI listings for exposed API keys. +// API listings often include code snippets and example requests where +// developers may accidentally paste real credentials. Credentialless. +type RapidAPISource struct { + BaseURL string + Registry *providers.Registry + Limiters *recon.LimiterRegistry + Client *Client +} + +var _ recon.ReconSource = (*RapidAPISource)(nil) + +func (s *RapidAPISource) Name() string { return "rapidapi" } +func (s *RapidAPISource) RateLimit() rate.Limit { return rate.Every(3 * time.Second) } +func (s *RapidAPISource) Burst() int { return 3 } +func (s *RapidAPISource) RespectsRobots() bool { return false } +func (s *RapidAPISource) Enabled(_ recon.Config) bool { return true } + +func (s *RapidAPISource) Sweep(ctx context.Context, query string, out chan<- recon.Finding) error { + base := s.BaseURL + if base == "" { + base = "https://rapidapi.com" + } + client := s.Client + if client == nil { + client = NewClient() + } + + queries := BuildQueries(s.Registry, "rapidapi") + 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 RapidAPI public listings. The search page renders HTML with + // code examples and descriptions that may contain leaked keys. + searchURL := fmt.Sprintf( + "%s/search/%s?sortBy=ByRelevance&page=1", + base, url.PathEscape(q), + ) + + req, err := http.NewRequestWithContext(ctx, http.MethodGet, searchURL, nil) + if err != nil { + continue + } + + resp, err := client.Do(ctx, req) + if err != nil { + continue + } + + data, err := io.ReadAll(io.LimitReader(resp.Body, 512*1024)) + _ = resp.Body.Close() + if err != nil { + continue + } + + if ciLogKeyPattern.Match(data) { + out <- recon.Finding{ + ProviderName: q, + Source: fmt.Sprintf("https://rapidapi.com/search/%s", url.PathEscape(q)), + SourceType: "recon:rapidapi", + Confidence: "low", + DetectedAt: time.Now(), + } + } + } + return nil +} diff --git a/pkg/recon/sources/rapidapi_test.go b/pkg/recon/sources/rapidapi_test.go new file mode 100644 index 0000000..daade4d --- /dev/null +++ b/pkg/recon/sources/rapidapi_test.go @@ -0,0 +1,119 @@ +package sources + +import ( + "context" + "net/http" + "net/http/httptest" + "testing" + "time" + + "github.com/salvacybersec/keyhunter/pkg/providers" + "github.com/salvacybersec/keyhunter/pkg/recon" +) + +func TestRapidAPI_Name(t *testing.T) { + s := &RapidAPISource{} + if s.Name() != "rapidapi" { + t.Fatalf("expected rapidapi, got %s", s.Name()) + } +} + +func TestRapidAPI_Enabled(t *testing.T) { + s := &RapidAPISource{} + if !s.Enabled(recon.Config{}) { + t.Fatal("RapidAPISource should always be enabled") + } +} + +func TestRapidAPI_Sweep(t *testing.T) { + mux := http.NewServeMux() + mux.HandleFunc("/search/", func(w http.ResponseWriter, r *http.Request) { + w.Header().Set("Content-Type", "text/html") + _, _ = w.Write([]byte(` + + +
+

OpenAI Helper API

+ 

+    curl -H "Authorization: Bearer sk-proj-ABCDEF1234567890abcdef" https://api.example.com
+    api_key = "sk-proj-ABCDEF1234567890abcdef"
+
+
+ +`)) + }) + + srv := httptest.NewServer(mux) + defer srv.Close() + + reg := providers.NewRegistryFromProviders([]providers.Provider{ + {Name: "openai", Keywords: []string{"sk-proj-"}}, + }) + + s := &RapidAPISource{ + BaseURL: srv.URL, + Registry: reg, + Client: NewClient(), + } + + out := make(chan recon.Finding, 10) + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + err := s.Sweep(ctx, "", out) + close(out) + if err != nil { + t.Fatalf("Sweep error: %v", err) + } + + var findings []recon.Finding + for f := range out { + findings = append(findings, f) + } + if len(findings) == 0 { + t.Fatal("expected at least one finding from RapidAPI") + } + if findings[0].SourceType != "recon:rapidapi" { + t.Fatalf("expected recon:rapidapi, got %s", findings[0].SourceType) + } +} + +func TestRapidAPI_Sweep_Clean(t *testing.T) { + mux := http.NewServeMux() + mux.HandleFunc("/search/", func(w http.ResponseWriter, r *http.Request) { + w.Header().Set("Content-Type", "text/html") + _, _ = w.Write([]byte(` +

No results found

`)) + }) + + srv := httptest.NewServer(mux) + defer srv.Close() + + reg := providers.NewRegistryFromProviders([]providers.Provider{ + {Name: "openai", Keywords: []string{"sk-proj-"}}, + }) + + s := &RapidAPISource{ + BaseURL: srv.URL, + Registry: reg, + Client: NewClient(), + } + + out := make(chan recon.Finding, 10) + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + err := s.Sweep(ctx, "", out) + close(out) + if err != nil { + t.Fatalf("Sweep error: %v", err) + } + + var findings []recon.Finding + for f := range out { + findings = append(findings, f) + } + if len(findings) != 0 { + t.Fatalf("expected no findings, got %d", len(findings)) + } +}