Read publisher from config.

cmd/csaf_provider/create.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/csaf-poc/csaf_distribution/csaf"
+)
+
+func ensureFolders(c *config) error {
+
+	wellknown := filepath.Join(c.Web, ".well-known")
+	wellknownCSAF := filepath.Join(wellknown, "csaf")
+
+	if err := createWellknown(wellknownCSAF); err != nil {
+		return err
+	}
+
+	if err := createFeedFolders(c, wellknownCSAF); err != nil {
+		return err
+	}
+
+	if err := createProviderMetadata(c, wellknownCSAF); err != nil {
+		return err
+	}
+
+	return createSecurity(c, wellknown)
+}
+
+func createWellknown(wellknown string) error {
+	st, err := os.Stat(wellknown)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return os.MkdirAll(wellknown, 0755)
+		}
+		return err
+	}
+	if !st.IsDir() {
+		return errors.New(".well-known/csaf is not a directory")
+	}
+	return nil
+}
+
+func createFeedFolders(c *config, wellknown string) error {
+	for _, t := range c.TLPs {
+		if t == tlpCSAF {
+			continue
+		}
+		tlpLink := filepath.Join(wellknown, string(t))
+		if _, err := filepath.EvalSymlinks(tlpLink); err != nil {
+			if os.IsNotExist(err) {
+				tlpFolder := filepath.Join(c.Folder, string(t))
+				if tlpFolder, err = mkUniqDir(tlpFolder); err != nil {
+					return err
+				}
+				if err = os.Symlink(tlpFolder, tlpLink); err != nil {
+					return err
+				}
+			} else {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func createSecurity(c *config, wellknown string) error {
+	security := filepath.Join(wellknown, "security.txt")
+	if _, err := os.Stat(security); err != nil {
+		if os.IsNotExist(err) {
+			f, err := os.Create(security)
+			if err != nil {
+				return err
+			}
+			fmt.Fprintf(
+				f, "CSAF: %s/.well-known/csaf/provider-metadata.json\n",
+				c.Domain)
+			return f.Close()
+		}
+		return err
+	}
+	return nil
+}
+
+func createProviderMetadata(c *config, wellknownCSAF string) error {
+	path := filepath.Join(wellknownCSAF, "provider-metadata.json")
+	_, err := os.Stat(path)
+	if err == nil {
+		return nil
+	}
+	if !os.IsNotExist(err) {
+		return err
+	}
+	pm := csaf.NewProviderMetadataDomain(c.Domain, c.modelTLPs())
+	pm.Publisher = c.Publisher
+	return saveToFile(path, pm)
+}