fix(fetcher/redhat): fetch through Proxy (#410)

fetcher/redhat/redhat.go

@@ -2,10 +2,9 @@ package redhat
 
 import (
  "archive/tar"
- "compress/gzip"
+ "bytes"
  "fmt"
  "io"
- "net/http"
  "strconv"
  "strings"
 
@@ -92,25 +91,18 @@ func FetchFiles(versions []string) (map[string][]util.FetchResult, error) {
 }
 
 func fetchOVALv1(names []string) ([]util.FetchResult, error) {
- log15.Info("Fetching... ", "URL", "https://access.redhat.com/security/data/archive/oval_v1_20230706.tar.gz")
- resp, err := http.Get("https://access.redhat.com/security/data/archive/oval_v1_20230706.tar.gz")
+ rs, err := util.FetchFeedFiles([]util.FetchRequest{{
+ Target: "oval_v1_20230706.tar.gz",
+ URL: "https://access.redhat.com/security/data/archive/oval_v1_20230706.tar.gz",
+ MIMEType: util.MIMETypeGzip,
+ }})
  if err != nil {
- return nil, xerrors.Errorf("Failed to get oval v1. err: %w", err)
- }
- defer resp.Body.Close()
- if resp.StatusCode != http.StatusOK {
- return nil, xerrors.Errorf("Failed to get oval v1. err: bad status %d", resp.StatusCode)
- }
-
- gr, err := gzip.NewReader(resp.Body)
- if err != nil {
- return nil, xerrors.Errorf("Failed to create gzip reader. err: %w", err)
+ return nil, xerrors.Errorf("Failed to fetch. err: %w", err)
  }
- defer gr.Close()
 
  results := make([]util.FetchResult, 0, len(names))
 
- tr := tar.NewReader(gr)
+ tr := tar.NewReader(bytes.NewReader(rs[0].Body))
  for {
  hdr, err := tr.Next()
  if err == io.EOF {