4b268d109f
- NpmSource searches npm registry JSON API for provider keywords - PyPISource scrapes pypi.org search HTML for project links - Both credentialless, rate-limited at 1 req/2s, burst 2 - httptest-based tests verify Sweep, ctx cancellation, Name/Rate/Burst
103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package sources
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"regexp"
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"time"
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"golang.org/x/time/rate"
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"github.com/salvacybersec/keyhunter/pkg/providers"
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"github.com/salvacybersec/keyhunter/pkg/recon"
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)
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// PyPISource searches pypi.org for packages matching provider keywords.
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// Scrapes the HTML search page since PyPI has no public search JSON API.
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// No credentials required. Emits findings tagged SourceType=recon:pypi.
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type PyPISource struct {
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BaseURL string
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Registry *providers.Registry
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Limiters *recon.LimiterRegistry
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Client *Client
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}
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var _ recon.ReconSource = (*PyPISource)(nil)
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// pypiProjectRE matches /project/{name}/ hrefs in search results.
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var pypiProjectRE = regexp.MustCompile(`^/project/[^/]+/?$`)
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func (s *PyPISource) Name() string { return "pypi" }
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func (s *PyPISource) RateLimit() rate.Limit { return rate.Every(2 * time.Second) }
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func (s *PyPISource) Burst() int { return 2 }
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func (s *PyPISource) RespectsRobots() bool { return false }
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func (s *PyPISource) Enabled(_ recon.Config) bool { return true }
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func (s *PyPISource) Sweep(ctx context.Context, _ string, out chan<- recon.Finding) error {
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base := s.BaseURL
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if base == "" {
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base = "https://pypi.org"
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}
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client := s.Client
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if client == nil {
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client = NewClient()
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}
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queries := BuildQueries(s.Registry, "pypi")
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if len(queries) == 0 {
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return nil
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}
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for _, q := range queries {
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if err := ctx.Err(); err != nil {
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return err
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}
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if s.Limiters != nil {
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if err := s.Limiters.Wait(ctx, s.Name(), s.RateLimit(), s.Burst(), false); err != nil {
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return err
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}
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}
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searchURL := fmt.Sprintf("%s/search/?q=%s", base, url.QueryEscape(q))
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, searchURL, nil)
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if err != nil {
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return fmt.Errorf("pypi: build req: %w", err)
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}
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resp, err := client.Do(ctx, req)
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if err != nil {
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return fmt.Errorf("pypi: fetch: %w", err)
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}
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hrefs, err := extractPyPIProjectLinks(resp.Body)
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_ = resp.Body.Close()
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if err != nil {
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return fmt.Errorf("pypi: parse html: %w", err)
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}
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for _, href := range hrefs {
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if err := ctx.Err(); err != nil {
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return err
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}
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absURL := base + href
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out <- recon.Finding{
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ProviderName: "",
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Source: absURL,
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SourceType: "recon:pypi",
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Confidence: "low",
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DetectedAt: time.Now(),
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}
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}
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}
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return nil
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}
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// extractPyPIProjectLinks extracts unique /project/{name}/ hrefs from HTML.
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func extractPyPIProjectLinks(body io.Reader) ([]string, error) {
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return extractAnchorHrefs(body, pypiProjectRE)
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}
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