Remove archiver dependency

server/libs/archiver/compress-commons/archivers/archive-output-stream.js

@@ -0,0 +1,117 @@
+/**
+ * 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 inherits = require('util').inherits;
+var Transform = require('readable-stream').Transform;
+
+var ArchiveEntry = require('./archive-entry');
+var util = require('../util');
+
+var ArchiveOutputStream = module.exports = function(options) {
+  if (!(this instanceof ArchiveOutputStream)) {
+    return new ArchiveOutputStream(options);
+  }
+
+  Transform.call(this, options);
+
+  this.offset = 0;
+  this._archive = {
+    finish: false,
+    finished: false,
+    processing: false
+  };
+};
+
+inherits(ArchiveOutputStream, Transform);
+
+ArchiveOutputStream.prototype._appendBuffer = function(zae, source, callback) {
+  // scaffold only
+};
+
+ArchiveOutputStream.prototype._appendStream = function(zae, source, callback) {
+  // scaffold only
+};
+
+ArchiveOutputStream.prototype._emitErrorCallback = function(err) {
+  if (err) {
+    this.emit('error', err);
+  }
+};
+
+ArchiveOutputStream.prototype._finish = function(ae) {
+  // scaffold only
+};
+
+ArchiveOutputStream.prototype._normalizeEntry = function(ae) {
+  // scaffold only
+};
+
+ArchiveOutputStream.prototype._transform = function(chunk, encoding, callback) {
+  callback(null, chunk);
+};
+
+ArchiveOutputStream.prototype.entry = function(ae, source, callback) {
+  source = source || null;
+
+  if (typeof callback !== 'function') {
+    callback = this._emitErrorCallback.bind(this);
+  }
+
+  if (!(ae instanceof ArchiveEntry)) {
+    callback(new Error('not a valid instance of ArchiveEntry'));
+    return;
+  }
+
+  if (this._archive.finish || this._archive.finished) {
+    callback(new Error('unacceptable entry after finish'));
+    return;
+  }
+
+  if (this._archive.processing) {
+    callback(new Error('already processing an entry'));
+    return;
+  }
+
+  this._archive.processing = true;
+  this._normalizeEntry(ae);
+  this._entry = ae;
+
+  source = util.normalizeInputSource(source);
+
+  if (Buffer.isBuffer(source)) {
+    this._appendBuffer(ae, source, callback);
+  } else if (util.isStream(source)) {
+    this._appendStream(ae, source, callback);
+  } else {
+    this._archive.processing = false;
+    callback(new Error('input source must be valid Stream or Buffer instance'));
+    return;
+  }
+
+  return this;
+};
+
+ArchiveOutputStream.prototype.finish = function() {
+  if (this._archive.processing) {
+    this._archive.finish = true;
+    return;
+  }
+
+  this._finish();
+};
+
+ArchiveOutputStream.prototype.getBytesWritten = function() {
+  return this.offset;
+};
+
+ArchiveOutputStream.prototype.write = function(chunk, cb) {
+  if (chunk) {
+    this.offset += chunk.length;
+  }
+
+  return Transform.prototype.write.call(this, chunk, cb);
+};