// Copyright 2016 Joyent, Inc.
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var x509 = require('./x509');
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module.exports = {
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read: read,
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verify: x509.verify,
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sign: x509.sign,
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write: write
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};
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var assert = require('assert-plus');
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var asn1 = require('asn1');
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var Buffer = require('safer-buffer').Buffer;
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var algs = require('../algs');
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var utils = require('../utils');
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var Key = require('../key');
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var PrivateKey = require('../private-key');
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var pem = require('./pem');
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var Identity = require('../identity');
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var Signature = require('../signature');
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var Certificate = require('../certificate');
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function read(buf, options) {
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if (typeof (buf) !== 'string') {
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assert.buffer(buf, 'buf');
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buf = buf.toString('ascii');
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}
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var lines = buf.trim().split(/[\r\n]+/g);
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var m;
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var si = -1;
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while (!m && si < lines.length) {
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m = lines[++si].match(/*JSSTYLED*/
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/[-]+[ ]*BEGIN CERTIFICATE[ ]*[-]+/);
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}
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assert.ok(m, 'invalid PEM header');
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var m2;
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var ei = lines.length;
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while (!m2 && ei > 0) {
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m2 = lines[--ei].match(/*JSSTYLED*/
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/[-]+[ ]*END CERTIFICATE[ ]*[-]+/);
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}
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assert.ok(m2, 'invalid PEM footer');
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lines = lines.slice(si, ei + 1);
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var headers = {};
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while (true) {
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lines = lines.slice(1);
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m = lines[0].match(/*JSSTYLED*/
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/^([A-Za-z0-9-]+): (.+)$/);
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if (!m)
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break;
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headers[m[1].toLowerCase()] = m[2];
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}
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/* Chop off the first and last lines */
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lines = lines.slice(0, -1).join('');
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buf = Buffer.from(lines, 'base64');
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return (x509.read(buf, options));
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}
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function write(cert, options) {
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var dbuf = x509.write(cert, options);
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var header = 'CERTIFICATE';
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var tmp = dbuf.toString('base64');
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var len = tmp.length + (tmp.length / 64) +
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18 + 16 + header.length*2 + 10;
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var buf = Buffer.alloc(len);
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var o = 0;
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o += buf.write('-----BEGIN ' + header + '-----\n', o);
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for (var i = 0; i < tmp.length; ) {
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var limit = i + 64;
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if (limit > tmp.length)
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limit = tmp.length;
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o += buf.write(tmp.slice(i, limit), o);
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buf[o++] = 10;
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i = limit;
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}
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o += buf.write('-----END ' + header + '-----\n', o);
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return (buf.slice(0, o));
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}
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