Read publisher from config.

cmd/csaf_provider/config.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"github.com/BurntSushi/toml"
+	"github.com/csaf-poc/csaf_distribution/csaf"
 )
 
 const (
@@ -25,6 +26,7 @@ type config struct {
 	PGPURL          string          `toml:"pgp_url"`
 	Domain          string          `toml:"domain"`
 	NoPassphrase    bool            `toml:"no_passphrase"`
+	Publisher       *csaf.Publisher `toml:"publisher"`
 }
 
 type tlp string
@@ -58,6 +60,16 @@ func (cfg *config) GetPGPURL(key string) string {
 	return strings.ReplaceAll(cfg.PGPURL, "${KEY}", key)
 }
 
+func (cfg *config) modelTLPs() []csaf.TLPLabel {
+	tlps := make([]csaf.TLPLabel, len(cfg.TLPs))
+	for _, t := range cfg.TLPs {
+		if t != tlpCSAF {
+			tlps = append(tlps, csaf.TLPLabel(t))
+		}
+	}
+	return tlps
+}
+
 func loadConfig() (*config, error) {
 	path := os.Getenv(configEnv)
 	if path == "" {

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)
+}

cmd/csaf_provider/files.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"crypto/sha256"
 	"crypto/sha512"
-	"errors"
 	"fmt"
 	"hash"
 	"io"
@@ -16,81 +15,6 @@ import (
 	"time"
 )
 
-func ensureFolders(c *config) error {
-
-	wellknown, err := createWellknown(c)
-	if err != nil {
-		return err
-	}
-
-	if err := createFeedFolders(c, wellknown); err != nil {
-		return err
-	}
-
-	return createSecurity(c, wellknown)
-}
-
-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 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 createWellknown(c *config) (string, error) {
-	wellknown := filepath.Join(c.Web, ".well-known", "csaf")
-
-	st, err := os.Stat(wellknown)
-	if err != nil {
-		if os.IsNotExist(err) {
-			if err := os.MkdirAll(wellknown, 0755); err != nil {
-				return "", err
-			}
-		} else {
-			return "", err
-		}
-	} else {
-		if !st.IsDir() {
-			return "", errors.New(".well-known/csaf is not a directory")
-		}
-	}
-	return wellknown, nil
-}
-
 func deepCopy(dst, src string) error {
 
 	stack := []string{dst, src}

cmd/csaf_provider/transaction.go

@@ -3,49 +3,10 @@ package main
 import (
 	"os"
 	"path/filepath"
-	"strings"
 
 	"github.com/csaf-poc/csaf_distribution/csaf"
 )
 
-func newProviderMetadata(cfg *config) *csaf.ProviderMetadata {
-
-	pmd := csaf.NewProviderMetadata(
-		cfg.Domain + "/.wellknown/csaf/provider-metadata.json")
-
-	// Register feeds.
-
-	var feeds []csaf.Feed
-
-	for _, t := range cfg.TLPs {
-		if t == tlpCSAF {
-			continue
-		}
-		var (
-			ts       = string(t)
-			feedName = "csaf-feed-tlp-" + ts + ".json"
-			feedURL  = csaf.JSONURL(
-				cfg.Domain + "/.well-known/csaf/" + ts + "/" + feedName)
-			tlpLabel = csaf.TLPLabel(strings.ToUpper(ts))
-		)
-		feeds = append(feeds, csaf.Feed{
-			Summary:  "TLP:" + string(tlpLabel) + " advisories",
-			TLPLabel: &tlpLabel,
-			URL:      &feedURL,
-		})
-	}
-
-	if len(feeds) > 0 {
-		pmd.Distributions = []csaf.Distribution{{
-			Rolie: []csaf.ROLIE{{
-				Feeds: feeds,
-			}},
-		}}
-	}
-
-	return pmd
-}
-
 func doTransaction(
 	cfg *config,
 	t tlp,
@@ -60,7 +21,7 @@ func doTransaction(
 		f, err := os.Open(metadata)
 		if err != nil {
 			if os.IsNotExist(err) {
-				return newProviderMetadata(cfg), nil
+				return csaf.NewProviderMetadataDomain(cfg.Domain, cfg.modelTLPs()), nil
 			}
 			return nil, err
 		}

csaf/models.go

@@ -102,11 +102,11 @@ var csafCategoryPattern = alternativesUnmarshal(
 
 // Publisher is the publisher of the feed.
 type Publisher struct {
-	Category         *Category `json:"category"`  // required
-	Name             *string   `json:"name"`      // required
-	Namespace        *string   `json:"namespace"` // required
-	ContactDetails   string    `json:"contact_details,omitempty"`
-	IssuingAuthority string    `json:"issuing_authority,omitempty"`
+	Category         *Category `json:"category" toml:"category"`   // required
+	Name             *string   `json:"name" toml:"name"`           // required
+	Namespace        *string   `json:"namespace" toml:"namespace"` // required
+	ContactDetails   string    `json:"contact_details,omitempty" toml:"contact_details"`
+	IssuingAuthority string    `json:"issuing_authority,omitempty" toml:"issuing_authority"`
 }
 
 // MetadataVersion is the metadata version of the feed.
@@ -148,7 +148,7 @@ type ProviderMetadata struct {
 	MetadataVersion         *MetadataVersion `json:"metadata_version"`           // required
 	MirrorOnCSAFAggregators *bool            `json:"mirror_on_CSAF_aggregators"` // required
 	PGPKeys                 []PGPKey         `json:"pgp_keys,omitempty"`
-	Publisher               *Publisher       `json:"publisher"` // required
+	Publisher               *Publisher       `json:"publisher,omitempty"` // required
 	Role                    *MetadataRole    `json:"role"`                // required
 }
 
@@ -384,6 +384,42 @@ func NewProviderMetadata(canonicalURL string) *ProviderMetadata {
 	return pm
 }
 
+// NewProviderMetadataDomain creates a new provider with the given URL
+// and tlps feeds.
+func NewProviderMetadataDomain(domain string, tlps []TLPLabel) *ProviderMetadata {
+
+	pm := NewProviderMetadata(
+		domain + "/.wellknown/csaf/provider-metadata.json")
+
+	// Register feeds.
+
+	var feeds []Feed
+
+	for _, t := range tlps {
+		var (
+			ts       = strings.ToLower(string(t))
+			feedName = "csaf-feed-tlp-" + ts + ".json"
+			feedURL  = JSONURL(
+				domain + "/.well-known/csaf/" + ts + "/" + feedName)
+		)
+		feeds = append(feeds, Feed{
+			Summary:  "TLP:" + string(t) + " advisories",
+			TLPLabel: &t,
+			URL:      &feedURL,
+		})
+	}
+
+	if len(feeds) > 0 {
+		pm.Distributions = []Distribution{{
+			Rolie: []ROLIE{{
+				Feeds: feeds,
+			}},
+		}}
+	}
+
+	return pm
+}
+
 // Save saves a metadata provider to a writer.
 func (pmd *ProviderMetadata) Save(w io.Writer) error {
 	enc := json.NewEncoder(w)