Added export_allowed file to make repository visible in cgit

1 files changed, 115 insertions, 0 deletions

diff --git a/node_modules/sshpk/lib/formats/ssh.js b/node_modules/sshpk/lib/formats/ssh.js
new file mode 100644
index 0000000..c8e9c93
--- /dev/null
+++ b/node_modules/sshpk/lib/formats/ssh.js
@@ -0,0 +1,115 @@
+// Copyright 2015 Joyent, Inc.
+
+module.exports = {
+	read: read,
+	write: write
+};
+
+var assert = require('assert-plus');
+var Buffer = require('safer-buffer').Buffer;
+var rfc4253 = require('./rfc4253');
+var utils = require('../utils');
+var Key = require('../key');
+var PrivateKey = require('../private-key');
+
+var sshpriv = require('./ssh-private');
+
+/*JSSTYLED*/
+var SSHKEY_RE = /^([a-z0-9-]+)[ \t]+([a-zA-Z0-9+\/]+[=]*)([ \t]+([^ \t][^\n]*[\n]*)?)?$/;
+/*JSSTYLED*/
+var SSHKEY_RE2 = /^([a-z0-9-]+)[ \t\n]+([a-zA-Z0-9+\/][a-zA-Z0-9+\/ \t\n=]*)([^a-zA-Z0-9+\/ \t\n=].*)?$/;
+
+function read(buf, options) {
+	if (typeof (buf) !== 'string') {
+		assert.buffer(buf, 'buf');
+		buf = buf.toString('ascii');
+	}
+
+	var trimmed = buf.trim().replace(/[\\\r]/g, '');
+	var m = trimmed.match(SSHKEY_RE);
+	if (!m)
+		m = trimmed.match(SSHKEY_RE2);
+	assert.ok(m, 'key must match regex');
+
+	var type = rfc4253.algToKeyType(m[1]);
+	var kbuf = Buffer.from(m[2], 'base64');
+
+	/*
+	 * This is a bit tricky. If we managed to parse the key and locate the
+	 * key comment with the regex, then do a non-partial read and assert
+	 * that we have consumed all bytes. If we couldn't locate the key
+	 * comment, though, there may be whitespace shenanigans going on that
+	 * have conjoined the comment to the rest of the key. We do a partial
+	 * read in this case to try to make the best out of a sorry situation.
+	 */
+	var key;
+	var ret = {};
+	if (m[4]) {
+		try {
+			key = rfc4253.read(kbuf);
+
+		} catch (e) {
+			m = trimmed.match(SSHKEY_RE2);
+			assert.ok(m, 'key must match regex');
+			kbuf = Buffer.from(m[2], 'base64');
+			key = rfc4253.readInternal(ret, 'public', kbuf);
+		}
+	} else {
+		key = rfc4253.readInternal(ret, 'public', kbuf);
+	}
+
+	assert.strictEqual(type, key.type);
+
+	if (m[4] && m[4].length > 0) {
+		key.comment = m[4];
+
+	} else if (ret.consumed) {
+		/*
+		 * Now the magic: trying to recover the key comment when it's
+		 * gotten conjoined to the key or otherwise shenanigan'd.
+		 *
+		 * Work out how much base64 we used, then drop all non-base64
+		 * chars from the beginning up to this point in the the string.
+		 * Then offset in this and try to make up for missing = chars.
+		 */
+		var data = m[2] + (m[3] ? m[3] : '');
+		var realOffset = Math.ceil(ret.consumed / 3) * 4;
+		data = data.slice(0, realOffset - 2). /*JSSTYLED*/
+		    replace(/[^a-zA-Z0-9+\/=]/g, '') +
+		    data.slice(realOffset - 2);
+
+		var padding = ret.consumed % 3;
+		if (padding > 0 &&
+		    data.slice(realOffset - 1, realOffset) !== '=')
+			realOffset--;
+		while (data.slice(realOffset, realOffset + 1) === '=')
+			realOffset++;
+
+		/* Finally, grab what we think is the comment & clean it up. */
+		var trailer = data.slice(realOffset);
+		trailer = trailer.replace(/[\r\n]/g, ' ').
+		    replace(/^\s+/, '');
+		if (trailer.match(/^[a-zA-Z0-9]/))
+			key.comment = trailer;
+	}
+
+	return (key);
+}
+
+function write(key, options) {
+	assert.object(key);
+	if (!Key.isKey(key))
+		throw (new Error('Must be a public key'));
+
+	var parts = [];
+	var alg = rfc4253.keyTypeToAlg(key);
+	parts.push(alg);
+
+	var buf = rfc4253.write(key);
+	parts.push(buf.toString('base64'));
+
+	if (key.comment)
+		parts.push(key.comment);
+
+	return (Buffer.from(parts.join(' ')));
+}