站点更新：2018-03-27 15:37:33

token/token.go

@@ -0,0 +1,163 @@
+// Copyright © 2018 ehlxr <ehlxr.me@gmail.com>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package token
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/atotto/clipboard"
+
+	"github.com/manifoldco/promptui"
+)
+
+// Helper func:  Read input from specified file or string
+func loadData(p string) ([]byte, error) {
+	if p == "" {
+		return nil, fmt.Errorf("No path or arg specified")
+	}
+
+	var rdr io.Reader
+	if p == "-" {
+		t, _ := clipboard.ReadAll()
+		fmt.Printf("read data from clipboard: %s\n", t)
+		rdr = strings.NewReader(t)
+	} else if p == "+" {
+		return []byte("{}"), nil
+	} else {
+		is, path := isPath(p)
+		if is {
+			if f, err := os.Open(path); err == nil {
+				rdr = f
+				defer f.Close()
+			} else {
+				return nil, err
+			}
+		} else {
+			rdr = strings.NewReader(p)
+		}
+	}
+	return ioutil.ReadAll(rdr)
+}
+
+func isPath(path string) (bool, string) {
+	p, err := filepath.Abs("")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	absPath := filepath.Join(p, strings.Replace(path, p, "", 1))
+	_, err = os.Stat(absPath)
+	if err == nil {
+		return true, absPath
+	}
+	return false, ""
+}
+
+// Print a json object in accordance with the prophecy (or the command line options)
+func printJSON(j interface{}, flagCompact bool) error {
+	var out []byte
+	var err error
+
+	if flagCompact == false {
+		out, err = json.MarshalIndent(j, "", "    ")
+	} else {
+		out, err = json.Marshal(j)
+	}
+
+	if err == nil {
+		fmt.Println(string(out))
+	}
+
+	return err
+}
+
+func isEs(flagAlg string) bool {
+	return strings.HasPrefix(flagAlg, "ES")
+}
+
+func isRs(flagAlg string) bool {
+	return strings.HasPrefix(flagAlg, "RS")
+}
+
+func promptAlg() (string, error) {
+	prompt := promptui.SelectWithAdd{
+		Label:    "select a signing algorithm identifier",
+		Items:    []string{"HS256", "RS256"},
+		AddLabel: "Other",
+	}
+	_, flagAlg, err := prompt.Run()
+	if err != nil {
+		return "", fmt.Errorf("Prompt flagAlg failed %v\n", err)
+	}
+
+	return flagAlg, nil
+}
+
+func promptDebug() bool {
+	prompt := promptui.Prompt{
+		Label:     "print out all kinds of debug data",
+		IsConfirm: true,
+	}
+
+	if _, err := prompt.Run(); err != nil {
+		return false
+	}
+	return true
+}
+
+func promptCompact() bool {
+	prompt := promptui.Prompt{
+		Label:     "output compact JSON",
+		IsConfirm: true,
+	}
+
+	if _, err := prompt.Run(); err != nil {
+		return false
+	}
+	return true
+}
+
+type ArgList map[string]string
+
+func (l ArgList) String() string {
+	data, _ := json.Marshal(l)
+	return string(data)
+}
+
+func (l ArgList) Set(arg string) error {
+	parts := strings.SplitN(arg, "=", 2)
+	if len(parts) != 2 {
+		return fmt.Errorf("Invalid argument '%v'.  Must use format 'key=value'. %v", arg, parts)
+	}
+	l[parts[0]] = parts[1]
+	return nil
+}
+
+func (l ArgList) Type() string {
+	return "argList"
+}