Use Set type (#388)

* Use util.Set type.

* Caught another set usage.

cmd/csaf_checker/links.go

@@ -20,7 +20,7 @@ import (
 type (
 	pageContent struct {
 		err   error
-		links map[string]struct{}
+		links util.Set[string]
 	}
 	pages map[string]*pageContent
 )
@@ -28,7 +28,7 @@ type (
 func (pgs pages) listed(
 	path string,
 	pro *processor,
-	badDirs map[string]struct{},
+	badDirs util.Set[string],
 ) (bool, error) {
 	pathURL, err := url.Parse(path)
 	if err != nil {
@@ -45,8 +45,7 @@ func (pgs pages) listed(
 		if content.err != nil {
 			return false, nil
 		}
-		_, ok := content.links[path]
-		return ok, nil
+		return content.links.Contains(path), nil
 	}
 
 	baseURL, err := url.Parse(base)
@@ -54,7 +53,7 @@ func (pgs pages) listed(
 		return false, err
 	}
 
-	if _, ok := badDirs[base]; ok {
+	if badDirs.Contains(base) {
 		return false, errContinue
 	}
 
@@ -67,18 +66,18 @@ func (pgs pages) listed(
 
 	if err != nil {
 		pro.badDirListings.error("Fetching %s failed: %v", base, err)
-		badDirs[base] = struct{}{}
+		badDirs.Add(base)
 		return false, errContinue
 	}
 	if res.StatusCode != http.StatusOK {
 		pro.badDirListings.error("Fetching %s failed. Status code %d (%s)",
 			base, res.StatusCode, res.Status)
-		badDirs[base] = struct{}{}
+		badDirs.Add(base)
 		return false, errContinue
 	}
 
 	content = &pageContent{
-		links: map[string]struct{}{},
+		links: util.Set[string]{},
 	}
 
 	pgs[base] = content
@@ -94,15 +93,14 @@ func (pgs pages) listed(
 			}
 			// Links may be relative
 			abs := baseURL.ResolveReference(u).String()
-			content.links[abs] = struct{}{}
+			content.links.Add(abs)
 			return nil
 		})
 	}(); err != nil {
 		return false, errContinue
 	}
 
-	_, ok := content.links[path]
-	return ok, nil
+	return content.links.Contains(path), nil
 }
 
 func linksOnPage(r io.Reader, visit func(string) error) error {

cmd/csaf_checker/processor.go

@@ -46,7 +46,7 @@ type processor struct {
 	ageAccept func(time.Time) bool
 
 	redirects      map[string][]string
-	noneTLS        map[string]struct{}
+	noneTLS        util.Set[string]
 	alreadyChecked map[string]whereType
 	pmdURL         string
 	pmd256         []byte
@@ -369,10 +369,10 @@ func (p *processor) checkDomain(domain string) error {
 // the value of "noneTLS" field if it is not HTTPS.
 func (p *processor) checkTLS(u string) {
 	if p.noneTLS == nil {
-		p.noneTLS = map[string]struct{}{}
+		p.noneTLS = util.Set[string]{}
 	}
 	if x, err := url.Parse(u); err == nil && x.Scheme != "https" {
-		p.noneTLS[u] = struct{}{}
+		p.noneTLS.Add(u)
 	}
 }
 
@@ -1163,7 +1163,7 @@ func (p *processor) checkListing(string) error {
 
 	var unlisted []string
 
-	badDirs := map[string]struct{}{}
+	badDirs := util.Set[string]{}
 
 	if len(p.alreadyChecked) == 0 {
 		p.badDirListings.info("No directory listings found.")

cmd/csaf_checker/reporters.go

@@ -12,6 +12,8 @@ import (
 	"fmt"
 	"sort"
 	"strings"
+
+	"github.com/csaf-poc/csaf_distribution/v2/util"
 )
 
 type (
@@ -211,15 +213,15 @@ func (r *redirectsReporter) report(p *processor, domain *Domain) {
 // keysNotInValues returns a slice of keys which are not in the values
 // of the given map.
 func keysNotInValues(m map[string][]string) []string {
-	values := map[string]bool{}
+	values := util.Set[string]{}
 	for _, vs := range m {
 		for _, v := range vs {
-			values[v] = true
+			values.Add(v)
 		}
 	}
 	keys := make([]string, 0, len(m))
 	for k := range m {
-		if !values[k] {
+		if !values.Contains(k) {
 			keys = append(keys, k)
 		}
 	}

cmd/csaf_checker/roliecheck.go

@@ -284,7 +284,7 @@ func (p *processor) processROLIEFeeds(feeds [][]csaf.Feed) error {
 						"Invalid URL %s in feed: %v.", *feed.URL, err)
 					continue
 				}
-				advisories[makeAbs(u).String()] = struct{}{}
+				advisories.Add(makeAbs(u).String())
 			}
 			if advisories.ContainsAll(reference) {
 				hasSummary.Add(label)