1 files changed, 80 insertions, 0 deletions
diff --git a/node_modules/adm-zip/headers/mainHeader.js b/node_modules/adm-zip/headers/mainHeader.js
new file mode 100644
index 000000000..002bc8a74
--- /dev/null
+++ b/node_modules/adm-zip/headers/mainHeader.js
@@ -0,0 +1,80 @@
+var Utils = require("../util"),
+    Constants = Utils.Constants;
+
+/* The entries in the end of central directory */
+module.exports = function () {
+    var _volumeEntries = 0,
+        _totalEntries = 0,
+        _size = 0,
+        _offset = 0,
+        _commentLength = 0;
+
+    return {
+        get diskEntries () { return _volumeEntries },
+        set diskEntries (/*Number*/val) { _volumeEntries = _totalEntries = val; },
+
+        get totalEntries () { return _totalEntries },
+        set totalEntries (/*Number*/val) { _totalEntries = _volumeEntries = val; },
+
+        get size () { return _size },
+        set size (/*Number*/val) { _size = val; },
+
+        get offset () { return _offset },
+        set offset (/*Number*/val) { _offset = val; },
+
+        get commentLength () { return _commentLength },
+        set commentLength (/*Number*/val) { _commentLength = val; },
+
+        get mainHeaderSize () {
+            return Constants.ENDHDR + _commentLength;
+        },
+
+        loadFromBinary : function(/*Buffer*/data) {
+            // data should be 22 bytes and start with "PK 05 06"
+            if (data.length != Constants.ENDHDR || data.readUInt32LE(0) != Constants.ENDSIG)
+                throw Utils.Errors.INVALID_END;
+
+            // number of entries on this volume
+            _volumeEntries = data.readUInt16LE(Constants.ENDSUB);
+            // total number of entries
+            _totalEntries = data.readUInt16LE(Constants.ENDTOT);
+            // central directory size in bytes
+            _size = data.readUInt32LE(Constants.ENDSIZ);
+            // offset of first CEN header
+            _offset = data.readUInt32LE(Constants.ENDOFF);
+            // zip file comment length
+            _commentLength = data.readUInt16LE(Constants.ENDCOM);
+        },
+
+        toBinary : function() {
+           var b = new Buffer(Constants.ENDHDR + _commentLength);
+            // "PK 05 06" signature
+            b.writeUInt32LE(Constants.ENDSIG, 0);
+            b.writeUInt32LE(0, 4);
+            // number of entries on this volume
+            b.writeUInt16LE(_volumeEntries, Constants.ENDSUB);
+            // total number of entries
+            b.writeUInt16LE(_totalEntries, Constants.ENDTOT);
+            // central directory size in bytes
+            b.writeUInt32LE(_size, Constants.ENDSIZ);
+            // offset of first CEN header
+            b.writeUInt32LE(_offset, Constants.ENDOFF);
+            // zip file comment length
+            b.writeUInt16LE(_commentLength, Constants.ENDCOM);
+            // fill comment memory with spaces so no garbage is left there
+            b.fill(" ", Constants.ENDHDR);
+
+            return b;
+        },
+
+        toString : function() {
+            return '{\n' +
+                '\t"diskEntries" : ' + _volumeEntries + ",\n" +
+                '\t"totalEntries" : ' + _totalEntries + ",\n" +
+                '\t"size" : ' + _size + " bytes,\n" +
+                '\t"offset" : 0x' + _offset.toString(16).toUpperCase() + ",\n" +
+                '\t"commentLength" : 0x' + _commentLength + "\n" +
+            '}';
+        }
+    }
+};
+\ No newline at end of file