Integrate OWASP Dependency Check

contrib/owasp-dependency-check/parser/parser.go

@@ -0,0 +1,64 @@
+package parser
+
+import (
+	"encoding/xml"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"sort"
+	"strings"
+)
+
+type analysis struct {
+	Dependencies []dependency `xml:"dependencies>dependency"`
+}
+
+type dependency struct {
+	Identifiers []identifier `xml:"identifiers>identifier"`
+}
+
+type identifier struct {
+	Name string `xml:"name"`
+	Type string `xml:"type,attr"`
+}
+
+func appendIfMissing(slice []string, str string) []string {
+	for _, s := range slice {
+		if s == str {
+			return slice
+		}
+	}
+	return append(slice, str)
+}
+
+// Parse parses XML and collect list of cpe
+func Parse(path string) ([]string, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return []string{}, fmt.Errorf("Failed to open: %s", err)
+	}
+	defer file.Close()
+
+	b, err := ioutil.ReadAll(file)
+	if err != nil {
+		return []string{}, fmt.Errorf("Failed to read: %s", err)
+	}
+
+	var anal analysis
+	if err := xml.Unmarshal(b, &anal); err != nil {
+		fmt.Errorf("Failed to unmarshal: %s", err)
+	}
+
+	cpes := []string{}
+	for _, d := range anal.Dependencies {
+		for _, ident := range d.Identifiers {
+			if ident.Type == "cpe" {
+				name := strings.TrimPrefix(ident.Name, "(")
+				name = strings.TrimSuffix(name, ")")
+				cpes = appendIfMissing(cpes, name)
+			}
+		}
+	}
+	sort.Strings(cpes)
+	return cpes, nil
+}