9907e2497a
- CratesIOSource searches crates.io JSON API with custom User-Agent header - RubyGemsSource searches rubygems.org search.json API for gem matches - Both credentialless; CratesIO 1 req/s burst 1, RubyGems 1 req/2s burst 2 - Tests verify User-Agent header, Sweep findings, ctx cancellation, metadata
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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"encoding/json"
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"fmt"
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"net/http"
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"net/url"
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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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// RubyGemsSource searches rubygems.org for gems matching provider keywords.
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// No credentials required. Emits findings tagged SourceType=recon:rubygems.
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type RubyGemsSource 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 = (*RubyGemsSource)(nil)
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// rubyGemEntry represents one entry in the RubyGems search JSON array.
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type rubyGemEntry struct {
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Name string `json:"name"`
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ProjectURI string `json:"project_uri"`
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}
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func (s *RubyGemsSource) Name() string { return "rubygems" }
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func (s *RubyGemsSource) RateLimit() rate.Limit { return rate.Every(2 * time.Second) }
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func (s *RubyGemsSource) Burst() int { return 2 }
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func (s *RubyGemsSource) RespectsRobots() bool { return false }
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func (s *RubyGemsSource) Enabled(_ recon.Config) bool { return true }
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func (s *RubyGemsSource) 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://rubygems.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, "rubygems")
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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/api/v1/search.json?query=%s&page=1", 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("rubygems: 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("rubygems: fetch: %w", err)
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}
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var gems []rubyGemEntry
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if err := json.NewDecoder(resp.Body).Decode(&gems); err != nil {
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_ = resp.Body.Close()
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return fmt.Errorf("rubygems: decode json: %w", err)
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}
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_ = resp.Body.Close()
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for _, g := range gems {
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if err := ctx.Err(); err != nil {
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return err
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}
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source := g.ProjectURI
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if source == "" {
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source = fmt.Sprintf("https://rubygems.org/gems/%s", g.Name)
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}
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out <- recon.Finding{
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ProviderName: "",
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Source: source,
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SourceType: "recon:rubygems",
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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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