source: trip-planner-front/node_modules/sshpk/bin/sshpk-sign@ 6a3a178

Last change on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

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[6a3a178]1#!/usr/bin/env node
2// -*- mode: js -*-
3// vim: set filetype=javascript :
4// Copyright 2015 Joyent, Inc. All rights reserved.
5
6var dashdash = require('dashdash');
7var sshpk = require('../lib/index');
8var fs = require('fs');
9var path = require('path');
10var getPassword = require('getpass').getPass;
11
12var options = [
13 {
14 names: ['hash', 'H'],
15 type: 'string',
16 help: 'Hash algorithm (sha1, sha256, sha384, sha512)'
17 },
18 {
19 names: ['verbose', 'v'],
20 type: 'bool',
21 help: 'Display verbose info about key and hash used'
22 },
23 {
24 names: ['identity', 'i'],
25 type: 'string',
26 help: 'Path to key to use'
27 },
28 {
29 names: ['file', 'f'],
30 type: 'string',
31 help: 'Input filename'
32 },
33 {
34 names: ['out', 'o'],
35 type: 'string',
36 help: 'Output filename'
37 },
38 {
39 names: ['format', 't'],
40 type: 'string',
41 help: 'Signature format (asn1, ssh, raw)'
42 },
43 {
44 names: ['binary', 'b'],
45 type: 'bool',
46 help: 'Output raw binary instead of base64'
47 },
48 {
49 names: ['help', 'h'],
50 type: 'bool',
51 help: 'Shows this help text'
52 }
53];
54
55var parseOpts = {};
56
57if (require.main === module) {
58 var parser = dashdash.createParser({
59 options: options
60 });
61
62 try {
63 var opts = parser.parse(process.argv);
64 } catch (e) {
65 console.error('sshpk-sign: error: %s', e.message);
66 process.exit(1);
67 }
68
69 if (opts.help || opts._args.length > 1) {
70 var help = parser.help({}).trimRight();
71 console.error('sshpk-sign: sign data using an SSH key\n');
72 console.error(help);
73 process.exit(1);
74 }
75
76 if (!opts.identity) {
77 var help = parser.help({}).trimRight();
78 console.error('sshpk-sign: the -i or --identity option ' +
79 'is required\n');
80 console.error(help);
81 process.exit(1);
82 }
83
84 var keyData = fs.readFileSync(opts.identity);
85 parseOpts.filename = opts.identity;
86
87 run();
88}
89
90function run() {
91 var key;
92 try {
93 key = sshpk.parsePrivateKey(keyData, 'auto', parseOpts);
94 } catch (e) {
95 if (e.name === 'KeyEncryptedError') {
96 getPassword(function (err, pw) {
97 parseOpts.passphrase = pw;
98 run();
99 });
100 return;
101 }
102 console.error('sshpk-sign: error loading private key "' +
103 opts.identity + '": ' + e.name + ': ' + e.message);
104 process.exit(1);
105 }
106
107 var hash = opts.hash || key.defaultHashAlgorithm();
108
109 var signer;
110 try {
111 signer = key.createSign(hash);
112 } catch (e) {
113 console.error('sshpk-sign: error creating signer: ' +
114 e.name + ': ' + e.message);
115 process.exit(1);
116 }
117
118 if (opts.verbose) {
119 console.error('sshpk-sign: using %s-%s with a %d bit key',
120 key.type, hash, key.size);
121 }
122
123 var inFile = process.stdin;
124 var inFileName = 'stdin';
125
126 var inFilePath;
127 if (opts.file) {
128 inFilePath = opts.file;
129 } else if (opts._args.length === 1) {
130 inFilePath = opts._args[0];
131 }
132
133 if (inFilePath)
134 inFileName = path.basename(inFilePath);
135
136 try {
137 if (inFilePath) {
138 fs.accessSync(inFilePath, fs.R_OK);
139 inFile = fs.createReadStream(inFilePath);
140 }
141 } catch (e) {
142 console.error('sshpk-sign: error opening input file' +
143 ': ' + e.name + ': ' + e.message);
144 process.exit(1);
145 }
146
147 var outFile = process.stdout;
148
149 try {
150 if (opts.out && !opts.identify) {
151 fs.accessSync(path.dirname(opts.out), fs.W_OK);
152 outFile = fs.createWriteStream(opts.out);
153 }
154 } catch (e) {
155 console.error('sshpk-sign: error opening output file' +
156 ': ' + e.name + ': ' + e.message);
157 process.exit(1);
158 }
159
160 inFile.pipe(signer);
161 inFile.on('end', function () {
162 var sig;
163 try {
164 sig = signer.sign();
165 } catch (e) {
166 console.error('sshpk-sign: error signing data: ' +
167 e.name + ': ' + e.message);
168 process.exit(1);
169 }
170
171 var fmt = opts.format || 'asn1';
172 var output;
173 try {
174 output = sig.toBuffer(fmt);
175 if (!opts.binary)
176 output = output.toString('base64');
177 } catch (e) {
178 console.error('sshpk-sign: error converting signature' +
179 ' to ' + fmt + ' format: ' + e.name + ': ' +
180 e.message);
181 process.exit(1);
182 }
183
184 outFile.write(output);
185 if (!opts.binary)
186 outFile.write('\n');
187 outFile.once('drain', function () {
188 process.exit(0);
189 });
190 });
191}
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