mirror of https://github.com/status-im/consul.git
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
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// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package internal contains support packages for oauth2 package.
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package internal
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import (
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"bufio"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"errors"
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"fmt"
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"io"
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"strings"
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)
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// ParseKey converts the binary contents of a private key file
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// to an *rsa.PrivateKey. It detects whether the private key is in a
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// PEM container or not. If so, it extracts the the private key
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// from PEM container before conversion. It only supports PEM
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// containers with no passphrase.
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func ParseKey(key []byte) (*rsa.PrivateKey, error) {
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block, _ := pem.Decode(key)
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if block != nil {
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key = block.Bytes
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}
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parsedKey, err := x509.ParsePKCS8PrivateKey(key)
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if err != nil {
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parsedKey, err = x509.ParsePKCS1PrivateKey(key)
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if err != nil {
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return nil, fmt.Errorf("private key should be a PEM or plain PKSC1 or PKCS8; parse error: %v", err)
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}
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}
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parsed, ok := parsedKey.(*rsa.PrivateKey)
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if !ok {
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return nil, errors.New("private key is invalid")
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}
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return parsed, nil
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}
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func ParseINI(ini io.Reader) (map[string]map[string]string, error) {
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result := map[string]map[string]string{
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"": map[string]string{}, // root section
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}
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scanner := bufio.NewScanner(ini)
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currentSection := ""
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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if strings.HasPrefix(line, ";") {
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// comment.
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continue
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}
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if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") {
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currentSection = strings.TrimSpace(line[1 : len(line)-1])
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result[currentSection] = map[string]string{}
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continue
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}
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parts := strings.SplitN(line, "=", 2)
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if len(parts) == 2 && parts[0] != "" {
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result[currentSection][strings.TrimSpace(parts[0])] = strings.TrimSpace(parts[1])
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}
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}
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if err := scanner.Err(); err != nil {
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return nil, fmt.Errorf("error scanning ini: %v", err)
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}
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return result, nil
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}
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func CondVal(v string) []string {
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if v == "" {
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return nil
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}
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return []string{v}
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}
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