23613150f6
- MavenSource queries Maven Central Solr API for provider keyword matches - NuGetSource queries NuGet gallery search API with projectUrl fallback - Both sources: httptest fixtures, ctx cancellation, metadata tests
119 lines
2.9 KiB
Go
119 lines
2.9 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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// MavenSource searches Maven Central for artifacts matching provider keywords.
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// Maven Central exposes a Solr-based JSON search API that requires no
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// authentication.
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type MavenSource 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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// Compile-time assertion that MavenSource satisfies recon.ReconSource.
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var _ recon.ReconSource = (*MavenSource)(nil)
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func (s *MavenSource) Name() string { return "maven" }
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func (s *MavenSource) RateLimit() rate.Limit { return rate.Every(2 * time.Second) }
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func (s *MavenSource) Burst() int { return 2 }
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func (s *MavenSource) RespectsRobots() bool { return false }
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// Enabled always returns true: Maven Central requires no credentials.
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func (s *MavenSource) Enabled(_ recon.Config) bool { return true }
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// Sweep queries Maven Central's Solr search for each provider keyword and
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// emits a Finding per matching artifact.
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func (s *MavenSource) 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://search.maven.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, "maven")
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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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endpoint := fmt.Sprintf("%s/solrsearch/select?q=%s&rows=20&wt=json",
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base, url.QueryEscape(q))
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
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if err != nil {
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return fmt.Errorf("maven: build request: %w", err)
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}
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req.Header.Set("Accept", "application/json")
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resp, err := client.Do(ctx, req)
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if err != nil {
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continue // non-fatal: skip keyword on HTTP error
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}
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var parsed mavenSearchResponse
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decErr := json.NewDecoder(resp.Body).Decode(&parsed)
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_ = resp.Body.Close()
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if decErr != nil {
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continue
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}
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for _, doc := range parsed.Response.Docs {
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if err := ctx.Err(); err != nil {
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return err
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}
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src := fmt.Sprintf("https://search.maven.org/artifact/%s/%s/%s/jar",
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doc.Group, doc.Artifact, doc.LatestVersion)
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select {
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case out <- recon.Finding{
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Source: src,
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SourceType: "recon:maven",
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Confidence: "low",
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DetectedAt: time.Now(),
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}:
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case <-ctx.Done():
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return ctx.Err()
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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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type mavenSearchResponse struct {
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Response mavenResponseBody `json:"response"`
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}
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type mavenResponseBody struct {
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Docs []mavenDoc `json:"docs"`
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}
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type mavenDoc struct {
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Group string `json:"g"`
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Artifact string `json:"a"`
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LatestVersion string `json:"latestVersion"`
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}
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