1 files changed, 61 insertions, 0 deletions
diff --git a/node_modules/asn1.js/lib/asn1/api.js b/node_modules/asn1.js/lib/asn1/api.js
new file mode 100644
index 000000000..7c223cc93
--- /dev/null
+++ b/node_modules/asn1.js/lib/asn1/api.js
@@ -0,0 +1,61 @@
+var asn1 = require('../asn1');
+var inherits = require('inherits');
+
+var api = exports;
+
+api.define = function define(name, body) {
+  return new Entity(name, body);
+};
+
+function Entity(name, body) {
+  this.name = name;
+  this.body = body;
+
+  this.decoders = {};
+  this.encoders = {};
+};
+
+Entity.prototype._createNamed = function createNamed(base) {
+  var named;
+  try {
+    named = require('vm').runInThisContext(
+      '(function ' + this.name + '(entity) {\n' +
+      '  this._initNamed(entity);\n' +
+      '})'
+    );
+  } catch (e) {
+    named = function (entity) {
+      this._initNamed(entity);
+    };
+  }
+  inherits(named, base);
+  named.prototype._initNamed = function initnamed(entity) {
+    base.call(this, entity);
+  };
+
+  return new named(this);
+};
+
+Entity.prototype._getDecoder = function _getDecoder(enc) {
+  enc = enc || 'der';
+  // Lazily create decoder
+  if (!this.decoders.hasOwnProperty(enc))
+    this.decoders[enc] = this._createNamed(asn1.decoders[enc]);
+  return this.decoders[enc];
+};
+
+Entity.prototype.decode = function decode(data, enc, options) {
+  return this._getDecoder(enc).decode(data, options);
+};
+
+Entity.prototype._getEncoder = function _getEncoder(enc) {
+  enc = enc || 'der';
+  // Lazily create encoder
+  if (!this.encoders.hasOwnProperty(enc))
+    this.encoders[enc] = this._createNamed(asn1.encoders[enc]);
+  return this.encoders[enc];
+};
+
+Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
+  return this._getEncoder(enc).encode(data, reporter);
+};