Remove archiver dependency

server/libs/archiver/compress-commons/archivers/zip/util.js

@@ -0,0 +1,74 @@
+/**
+ * node-compress-commons
+ *
+ * Copyright (c) 2014 Chris Talkington, contributors.
+ * Licensed under the MIT license.
+ * https://github.com/archiverjs/node-compress-commons/blob/master/LICENSE-MIT
+ */
+var util = module.exports = {};
+
+util.dateToDos = function(d, forceLocalTime) {
+  forceLocalTime = forceLocalTime || false;
+
+  var year = forceLocalTime ? d.getFullYear() : d.getUTCFullYear();
+
+  if (year < 1980) {
+    return 2162688; // 1980-1-1 00:00:00
+  } else if (year >= 2044) {
+    return 2141175677; // 2043-12-31 23:59:58
+  }
+
+  var val = {
+    year: year,
+    month: forceLocalTime ? d.getMonth() : d.getUTCMonth(),
+    date: forceLocalTime ? d.getDate() : d.getUTCDate(),
+    hours: forceLocalTime ? d.getHours() : d.getUTCHours(),
+    minutes: forceLocalTime ? d.getMinutes() : d.getUTCMinutes(),
+    seconds: forceLocalTime ? d.getSeconds() : d.getUTCSeconds()
+  };
+
+  return ((val.year - 1980) << 25) | ((val.month + 1) << 21) | (val.date << 16) |
+    (val.hours << 11) | (val.minutes << 5) | (val.seconds / 2);
+};
+
+util.dosToDate = function(dos) {
+  return new Date(((dos >> 25) & 0x7f) + 1980, ((dos >> 21) & 0x0f) - 1, (dos >> 16) & 0x1f, (dos >> 11) & 0x1f, (dos >> 5) & 0x3f, (dos & 0x1f) << 1);
+};
+
+util.fromDosTime = function(buf) {
+  return util.dosToDate(buf.readUInt32LE(0));
+};
+
+util.getEightBytes = function(v) {
+  var buf = Buffer.alloc(8);
+  buf.writeUInt32LE(v % 0x0100000000, 0);
+  buf.writeUInt32LE((v / 0x0100000000) | 0, 4);
+
+  return buf;
+};
+
+util.getShortBytes = function(v) {
+  var buf = Buffer.alloc(2);
+  buf.writeUInt16LE((v & 0xFFFF) >>> 0, 0);
+
+  return buf;
+};
+
+util.getShortBytesValue = function(buf, offset) {
+  return buf.readUInt16LE(offset);
+};
+
+util.getLongBytes = function(v) {
+  var buf = Buffer.alloc(4);
+  buf.writeUInt32LE((v & 0xFFFFFFFF) >>> 0, 0);
+
+  return buf;
+};
+
+util.getLongBytesValue = function(buf, offset) {
+  return buf.readUInt32LE(offset);
+};
+
+util.toDosTime = function(d) {
+  return util.getLongBytes(util.dateToDos(d));
+};