Added command `caInfo`

cmd/caInfo.go

+// Copyright © 2020 NAME HERE <EMAIL ADDRESS>
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+
+	"git.scc.kit.edu/KIT-CA/dfnpki"
+	"github.com/spf13/viper"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	caInfoArgs struct {
+		JSON      bool
+		ShowCerts bool
+	}
+)
+
+// caInfoCmd represents the caInfo command
+var caInfoCmd = &cobra.Command{
+	Use:   "caInfo",
+	Short: "Show public info about a CA: allowed DN-prefixes, public roles and the trust chain",
+	Run: func(cmd *cobra.Command, args []string) {
+		var (
+			printJSON, showCerts bool
+		)
+		_ = viper.BindPFlags(cmd.PersistentFlags())
+		//_ = viper.Unmarshal(&cmdArguments)
+		_ = viper.Unmarshal(&caInfoArgs)
+
+		// handle --showcerts
+		if viper.IsSet("showcerts") {
+			showCerts = true
+		}
+
+		// handle --json
+		if viper.IsSet("json") {
+			printJSON = true
+		}
+
+		// create http client
+		httpclient, err := dfnpki.GetPublicHTTPClient()
+		if err != nil {
+			log.Fatal(err)
+		}
+		client := dfnpki.NewSoapClient(httpclient, dfnpki.GeneratePublicURL(viper.GetString("ca")))
+
+		// get CA info
+		cainfo, err := dfnpki.GetCAInfoData(client, 0)
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		if printJSON == true {
+			jsonbytes, err := json.MarshalIndent(cainfo, "  ", "")
+			if err != nil {
+				log.Fatalf("Unable to generate json: %s", err)
+			}
+			fmt.Println(string(jsonbytes))
+		} else {
+			fmt.Println("\n# Valid DN prefixes\n")
+			for _, prefix := range cainfo.DNPrefixes {
+				fmt.Printf("* »%s«\n", prefix)
+			}
+			fmt.Println("\n# Public roles\n")
+			for _, role := range cainfo.Roles {
+				fmt.Printf("* »%s«\n", role)
+			}
+			if showCerts {
+				fmt.Println("\n# Certificate chain\n")
+				for _, cert := range cainfo.CAChain {
+					fmt.Println(cert)
+				}
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(caInfoCmd)
+
+	// flags and configuration settings
+	caInfoCmd.PersistentFlags().SortFlags = false
+	caInfoCmd.PersistentFlags().BoolVar(&caInfoArgs.ShowCerts, "showcerts", false, "Print chain on textual output")
+	caInfoCmd.PersistentFlags().BoolVar(&caInfoArgs.JSON, "json", false, "Print json instead of text")
+}