v5

node_modules/asn1/lib/ber/errors.js

@@ -0,0 +1,13 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+
+  newInvalidAsn1Error: function (msg) {
+    var e = new Error();
+    e.name = 'InvalidAsn1Error';
+    e.message = msg || '';
+    return e;
+  }
+
+};

node_modules/asn1/lib/ber/index.js

@@ -0,0 +1,27 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var errors = require('./errors');
+var types = require('./types');
+
+var Reader = require('./reader');
+var Writer = require('./writer');
+
+
+// --- Exports
+
+module.exports = {
+
+  Reader: Reader,
+
+  Writer: Writer
+
+};
+
+for (var t in types) {
+  if (types.hasOwnProperty(t))
+    module.exports[t] = types[t];
+}
+for (var e in errors) {
+  if (errors.hasOwnProperty(e))
+    module.exports[e] = errors[e];
+}

node_modules/asn1/lib/ber/reader.js

@@ -0,0 +1,262 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+var Buffer = require('safer-buffer').Buffer;
+
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+// --- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+
+
+// --- API
+
+function Reader(data) {
+  if (!data || !Buffer.isBuffer(data))
+    throw new TypeError('data must be a node Buffer');
+
+  this._buf = data;
+  this._size = data.length;
+
+  // These hold the "current" state
+  this._len = 0;
+  this._offset = 0;
+}
+
+Object.defineProperty(Reader.prototype, 'length', {
+  enumerable: true,
+  get: function () { return (this._len); }
+});
+
+Object.defineProperty(Reader.prototype, 'offset', {
+  enumerable: true,
+  get: function () { return (this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'remain', {
+  get: function () { return (this._size - this._offset); }
+});
+
+Object.defineProperty(Reader.prototype, 'buffer', {
+  get: function () { return (this._buf.slice(this._offset)); }
+});
+
+
+/**
+ * Reads a single byte and advances offset; you can pass in `true` to make this
+ * a "peek" operation (i.e., get the byte, but don't advance the offset).
+ *
+ * @param {Boolean} peek true means don't move offset.
+ * @return {Number} the next byte, null if not enough data.
+ */
+Reader.prototype.readByte = function (peek) {
+  if (this._size - this._offset < 1)
+    return null;
+
+  var b = this._buf[this._offset] & 0xff;
+
+  if (!peek)
+    this._offset += 1;
+
+  return b;
+};
+
+
+Reader.prototype.peek = function () {
+  return this.readByte(true);
+};
+
+
+/**
+ * Reads a (potentially) variable length off the BER buffer.  This call is
+ * not really meant to be called directly, as callers have to manipulate
+ * the internal buffer afterwards.
+ *
+ * As a result of this call, you can call `Reader.length`, until the
+ * next thing called that does a readLength.
+ *
+ * @return {Number} the amount of offset to advance the buffer.
+ * @throws {InvalidAsn1Error} on bad ASN.1
+ */
+Reader.prototype.readLength = function (offset) {
+  if (offset === undefined)
+    offset = this._offset;
+
+  if (offset >= this._size)
+    return null;
+
+  var lenB = this._buf[offset++] & 0xff;
+  if (lenB === null)
+    return null;
+
+  if ((lenB & 0x80) === 0x80) {
+    lenB &= 0x7f;
+
+    if (lenB === 0)
+      throw newInvalidAsn1Error('Indefinite length not supported');
+
+    if (lenB > 4)
+      throw newInvalidAsn1Error('encoding too long');
+
+    if (this._size - offset < lenB)
+      return null;
+
+    this._len = 0;
+    for (var i = 0; i < lenB; i++)
+      this._len = (this._len << 8) + (this._buf[offset++] & 0xff);
+
+  } else {
+    // Wasn't a variable length
+    this._len = lenB;
+  }
+
+  return offset;
+};
+
+
+/**
+ * Parses the next sequence in this BER buffer.
+ *
+ * To get the length of the sequence, call `Reader.length`.
+ *
+ * @return {Number} the sequence's tag.
+ */
+Reader.prototype.readSequence = function (tag) {
+  var seq = this.peek();
+  if (seq === null)
+    return null;
+  if (tag !== undefined && tag !== seq)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + seq.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  this._offset = o;
+  return seq;
+};
+
+
+Reader.prototype.readInt = function () {
+  return this._readTag(ASN1.Integer);
+};
+
+
+Reader.prototype.readBoolean = function () {
+  return (this._readTag(ASN1.Boolean) === 0 ? false : true);
+};
+
+
+Reader.prototype.readEnumeration = function () {
+  return this._readTag(ASN1.Enumeration);
+};
+
+
+Reader.prototype.readString = function (tag, retbuf) {
+  if (!tag)
+    tag = ASN1.OctetString;
+
+  var b = this.peek();
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+
+  if (o === null)
+    return null;
+
+  if (this.length > this._size - o)
+    return null;
+
+  this._offset = o;
+
+  if (this.length === 0)
+    return retbuf ? Buffer.alloc(0) : '';
+
+  var str = this._buf.slice(this._offset, this._offset + this.length);
+  this._offset += this.length;
+
+  return retbuf ? str : str.toString('utf8');
+};
+
+Reader.prototype.readOID = function (tag) {
+  if (!tag)
+    tag = ASN1.OID;
+
+  var b = this.readString(tag, true);
+  if (b === null)
+    return null;
+
+  var values = [];
+  var value = 0;
+
+  for (var i = 0; i < b.length; i++) {
+    var byte = b[i] & 0xff;
+
+    value <<= 7;
+    value += byte & 0x7f;
+    if ((byte & 0x80) === 0) {
+      values.push(value);
+      value = 0;
+    }
+  }
+
+  value = values.shift();
+  values.unshift(value % 40);
+  values.unshift((value / 40) >> 0);
+
+  return values.join('.');
+};
+
+
+Reader.prototype._readTag = function (tag) {
+  assert.ok(tag !== undefined);
+
+  var b = this.peek();
+
+  if (b === null)
+    return null;
+
+  if (b !== tag)
+    throw newInvalidAsn1Error('Expected 0x' + tag.toString(16) +
+                              ': got 0x' + b.toString(16));
+
+  var o = this.readLength(this._offset + 1); // stored in `length`
+  if (o === null)
+    return null;
+
+  if (this.length > 4)
+    throw newInvalidAsn1Error('Integer too long: ' + this.length);
+
+  if (this.length > this._size - o)
+    return null;
+  this._offset = o;
+
+  var fb = this._buf[this._offset];
+  var value = 0;
+
+  for (var i = 0; i < this.length; i++) {
+    value <<= 8;
+    value |= (this._buf[this._offset++] & 0xff);
+  }
+
+  if ((fb & 0x80) === 0x80 && i !== 4)
+    value -= (1 << (i * 8));
+
+  return value >> 0;
+};
+
+
+
+// --- Exported API
+
+module.exports = Reader;

node_modules/asn1/lib/ber/types.js

@@ -0,0 +1,36 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+
+module.exports = {
+  EOC: 0,
+  Boolean: 1,
+  Integer: 2,
+  BitString: 3,
+  OctetString: 4,
+  Null: 5,
+  OID: 6,
+  ObjectDescriptor: 7,
+  External: 8,
+  Real: 9, // float
+  Enumeration: 10,
+  PDV: 11,
+  Utf8String: 12,
+  RelativeOID: 13,
+  Sequence: 16,
+  Set: 17,
+  NumericString: 18,
+  PrintableString: 19,
+  T61String: 20,
+  VideotexString: 21,
+  IA5String: 22,
+  UTCTime: 23,
+  GeneralizedTime: 24,
+  GraphicString: 25,
+  VisibleString: 26,
+  GeneralString: 28,
+  UniversalString: 29,
+  CharacterString: 30,
+  BMPString: 31,
+  Constructor: 32,
+  Context: 128
+};

node_modules/asn1/lib/ber/writer.js

@@ -0,0 +1,317 @@
+// Copyright 2011 Mark Cavage <mcavage@gmail.com> All rights reserved.
+
+var assert = require('assert');
+var Buffer = require('safer-buffer').Buffer;
+var ASN1 = require('./types');
+var errors = require('./errors');
+
+
+// --- Globals
+
+var newInvalidAsn1Error = errors.newInvalidAsn1Error;
+
+var DEFAULT_OPTS = {
+  size: 1024,
+  growthFactor: 8
+};
+
+
+// --- Helpers
+
+function merge(from, to) {
+  assert.ok(from);
+  assert.equal(typeof (from), 'object');
+  assert.ok(to);
+  assert.equal(typeof (to), 'object');
+
+  var keys = Object.getOwnPropertyNames(from);
+  keys.forEach(function (key) {
+    if (to[key])
+      return;
+
+    var value = Object.getOwnPropertyDescriptor(from, key);
+    Object.defineProperty(to, key, value);
+  });
+
+  return to;
+}
+
+
+
+// --- API
+
+function Writer(options) {
+  options = merge(DEFAULT_OPTS, options || {});
+
+  this._buf = Buffer.alloc(options.size || 1024);
+  this._size = this._buf.length;
+  this._offset = 0;
+  this._options = options;
+
+  // A list of offsets in the buffer where we need to insert
+  // sequence tag/len pairs.
+  this._seq = [];
+}
+
+Object.defineProperty(Writer.prototype, 'buffer', {
+  get: function () {
+    if (this._seq.length)
+      throw newInvalidAsn1Error(this._seq.length + ' unended sequence(s)');
+
+    return (this._buf.slice(0, this._offset));
+  }
+});
+
+Writer.prototype.writeByte = function (b) {
+  if (typeof (b) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(1);
+  this._buf[this._offset++] = b;
+};
+
+
+Writer.prototype.writeInt = function (i, tag) {
+  if (typeof (i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Integer;
+
+  var sz = 4;
+
+  while ((((i & 0xff800000) === 0) || ((i & 0xff800000) === 0xff800000 >> 0)) &&
+        (sz > 1)) {
+    sz--;
+    i <<= 8;
+  }
+
+  if (sz > 4)
+    throw newInvalidAsn1Error('BER ints cannot be > 0xffffffff');
+
+  this._ensure(2 + sz);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = sz;
+
+  while (sz-- > 0) {
+    this._buf[this._offset++] = ((i & 0xff000000) >>> 24);
+    i <<= 8;
+  }
+
+};
+
+
+Writer.prototype.writeNull = function () {
+  this.writeByte(ASN1.Null);
+  this.writeByte(0x00);
+};
+
+
+Writer.prototype.writeEnumeration = function (i, tag) {
+  if (typeof (i) !== 'number')
+    throw new TypeError('argument must be a Number');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Enumeration;
+
+  return this.writeInt(i, tag);
+};
+
+
+Writer.prototype.writeBoolean = function (b, tag) {
+  if (typeof (b) !== 'boolean')
+    throw new TypeError('argument must be a Boolean');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Boolean;
+
+  this._ensure(3);
+  this._buf[this._offset++] = tag;
+  this._buf[this._offset++] = 0x01;
+  this._buf[this._offset++] = b ? 0xff : 0x00;
+};
+
+
+Writer.prototype.writeString = function (s, tag) {
+  if (typeof (s) !== 'string')
+    throw new TypeError('argument must be a string (was: ' + typeof (s) + ')');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.OctetString;
+
+  var len = Buffer.byteLength(s);
+  this.writeByte(tag);
+  this.writeLength(len);
+  if (len) {
+    this._ensure(len);
+    this._buf.write(s, this._offset);
+    this._offset += len;
+  }
+};
+
+
+Writer.prototype.writeBuffer = function (buf, tag) {
+  if (typeof (tag) !== 'number')
+    throw new TypeError('tag must be a number');
+  if (!Buffer.isBuffer(buf))
+    throw new TypeError('argument must be a buffer');
+
+  this.writeByte(tag);
+  this.writeLength(buf.length);
+  this._ensure(buf.length);
+  buf.copy(this._buf, this._offset, 0, buf.length);
+  this._offset += buf.length;
+};
+
+
+Writer.prototype.writeStringArray = function (strings) {
+  if ((!strings instanceof Array))
+    throw new TypeError('argument must be an Array[String]');
+
+  var self = this;
+  strings.forEach(function (s) {
+    self.writeString(s);
+  });
+};
+
+// This is really to solve DER cases, but whatever for now
+Writer.prototype.writeOID = function (s, tag) {
+  if (typeof (s) !== 'string')
+    throw new TypeError('argument must be a string');
+  if (typeof (tag) !== 'number')
+    tag = ASN1.OID;
+
+  if (!/^([0-9]+\.){3,}[0-9]+$/.test(s))
+    throw new Error('argument is not a valid OID string');
+
+  function encodeOctet(bytes, octet) {
+    if (octet < 128) {
+        bytes.push(octet);
+    } else if (octet < 16384) {
+        bytes.push((octet >>> 7) | 0x80);
+        bytes.push(octet & 0x7F);
+    } else if (octet < 2097152) {
+      bytes.push((octet >>> 14) | 0x80);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else if (octet < 268435456) {
+      bytes.push((octet >>> 21) | 0x80);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    } else {
+      bytes.push(((octet >>> 28) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 21) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 14) | 0x80) & 0xFF);
+      bytes.push(((octet >>> 7) | 0x80) & 0xFF);
+      bytes.push(octet & 0x7F);
+    }
+  }
+
+  var tmp = s.split('.');
+  var bytes = [];
+  bytes.push(parseInt(tmp[0], 10) * 40 + parseInt(tmp[1], 10));
+  tmp.slice(2).forEach(function (b) {
+    encodeOctet(bytes, parseInt(b, 10));
+  });
+
+  var self = this;
+  this._ensure(2 + bytes.length);
+  this.writeByte(tag);
+  this.writeLength(bytes.length);
+  bytes.forEach(function (b) {
+    self.writeByte(b);
+  });
+};
+
+
+Writer.prototype.writeLength = function (len) {
+  if (typeof (len) !== 'number')
+    throw new TypeError('argument must be a Number');
+
+  this._ensure(4);
+
+  if (len <= 0x7f) {
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xff) {
+    this._buf[this._offset++] = 0x81;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffff) {
+    this._buf[this._offset++] = 0x82;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else if (len <= 0xffffff) {
+    this._buf[this._offset++] = 0x83;
+    this._buf[this._offset++] = len >> 16;
+    this._buf[this._offset++] = len >> 8;
+    this._buf[this._offset++] = len;
+  } else {
+    throw newInvalidAsn1Error('Length too long (> 4 bytes)');
+  }
+};
+
+Writer.prototype.startSequence = function (tag) {
+  if (typeof (tag) !== 'number')
+    tag = ASN1.Sequence | ASN1.Constructor;
+
+  this.writeByte(tag);
+  this._seq.push(this._offset);
+  this._ensure(3);
+  this._offset += 3;
+};
+
+
+Writer.prototype.endSequence = function () {
+  var seq = this._seq.pop();
+  var start = seq + 3;
+  var len = this._offset - start;
+
+  if (len <= 0x7f) {
+    this._shift(start, len, -2);
+    this._buf[seq] = len;
+  } else if (len <= 0xff) {
+    this._shift(start, len, -1);
+    this._buf[seq] = 0x81;
+    this._buf[seq + 1] = len;
+  } else if (len <= 0xffff) {
+    this._buf[seq] = 0x82;
+    this._buf[seq + 1] = len >> 8;
+    this._buf[seq + 2] = len;
+  } else if (len <= 0xffffff) {
+    this._shift(start, len, 1);
+    this._buf[seq] = 0x83;
+    this._buf[seq + 1] = len >> 16;
+    this._buf[seq + 2] = len >> 8;
+    this._buf[seq + 3] = len;
+  } else {
+    throw newInvalidAsn1Error('Sequence too long');
+  }
+};
+
+
+Writer.prototype._shift = function (start, len, shift) {
+  assert.ok(start !== undefined);
+  assert.ok(len !== undefined);
+  assert.ok(shift);
+
+  this._buf.copy(this._buf, start + shift, start, start + len);
+  this._offset += shift;
+};
+
+Writer.prototype._ensure = function (len) {
+  assert.ok(len);
+
+  if (this._size - this._offset < len) {
+    var sz = this._size * this._options.growthFactor;
+    if (sz - this._offset < len)
+      sz += len;
+
+    var buf = Buffer.alloc(sz);
+
+    this._buf.copy(buf, 0, 0, this._offset);
+    this._buf = buf;
+    this._size = sz;
+  }
+};
+
+
+
+// --- Exported API
+
+module.exports = Writer;