test

vscode-server-linux-x64-web/node_modules/yauzl/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2014 Josh Wolfe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

vscode-server-linux-x64-web/node_modules/yauzl/fd-slicer.js

@@ -0,0 +1,297 @@
+// This was adapted from https://github.com/andrewrk/node-fd-slicer by Andrew Kelley under the MIT License.
+var fs = require('fs');
+var util = require('util');
+var stream = require('stream');
+var Readable = stream.Readable;
+var Writable = stream.Writable;
+var PassThrough = stream.PassThrough;
+var Pend = require('pend');
+var EventEmitter = require('events').EventEmitter;
+
+exports.createFromBuffer = createFromBuffer;
+exports.createFromFd = createFromFd;
+exports.BufferSlicer = BufferSlicer;
+exports.FdSlicer = FdSlicer;
+
+util.inherits(FdSlicer, EventEmitter);
+function FdSlicer(fd, options) {
+  options = options || {};
+  EventEmitter.call(this);
+
+  this.fd = fd;
+  this.pend = new Pend();
+  this.pend.max = 1;
+  this.refCount = 0;
+  this.autoClose = !!options.autoClose;
+}
+
+FdSlicer.prototype.read = function(buffer, offset, length, position, callback) {
+  var self = this;
+  self.pend.go(function(cb) {
+    fs.read(self.fd, buffer, offset, length, position, function(err, bytesRead, buffer) {
+      cb();
+      callback(err, bytesRead, buffer);
+    });
+  });
+};
+
+FdSlicer.prototype.write = function(buffer, offset, length, position, callback) {
+  var self = this;
+  self.pend.go(function(cb) {
+    fs.write(self.fd, buffer, offset, length, position, function(err, written, buffer) {
+      cb();
+      callback(err, written, buffer);
+    });
+  });
+};
+
+FdSlicer.prototype.createReadStream = function(options) {
+  return new ReadStream(this, options);
+};
+
+FdSlicer.prototype.createWriteStream = function(options) {
+  return new WriteStream(this, options);
+};
+
+FdSlicer.prototype.ref = function() {
+  this.refCount += 1;
+};
+
+FdSlicer.prototype.unref = function() {
+  var self = this;
+  self.refCount -= 1;
+
+  if (self.refCount > 0) return;
+  if (self.refCount < 0) throw new Error("invalid unref");
+
+  if (self.autoClose) {
+    fs.close(self.fd, onCloseDone);
+  }
+
+  function onCloseDone(err) {
+    if (err) {
+      self.emit('error', err);
+    } else {
+      self.emit('close');
+    }
+  }
+};
+
+util.inherits(ReadStream, Readable);
+function ReadStream(context, options) {
+  options = options || {};
+  Readable.call(this, options);
+
+  this.context = context;
+  this.context.ref();
+
+  this.start = options.start || 0;
+  this.endOffset = options.end;
+  this.pos = this.start;
+  this.destroyed = false;
+}
+
+ReadStream.prototype._read = function(n) {
+  var self = this;
+  if (self.destroyed) return;
+
+  var toRead = Math.min(self._readableState.highWaterMark, n);
+  if (self.endOffset != null) {
+    toRead = Math.min(toRead, self.endOffset - self.pos);
+  }
+  if (toRead <= 0) {
+    self.destroyed = true;
+    self.push(null);
+    self.context.unref();
+    return;
+  }
+  self.context.pend.go(function(cb) {
+    if (self.destroyed) return cb();
+    var buffer = Buffer.allocUnsafe(toRead);
+    fs.read(self.context.fd, buffer, 0, toRead, self.pos, function(err, bytesRead) {
+      if (err) {
+        self.destroy(err);
+      } else if (bytesRead === 0) {
+        self.destroyed = true;
+        self.push(null);
+        self.context.unref();
+      } else {
+        self.pos += bytesRead;
+        self.push(buffer.slice(0, bytesRead));
+      }
+      cb();
+    });
+  });
+};
+
+ReadStream.prototype.destroy = function(err) {
+  if (this.destroyed) return;
+  err = err || new Error("stream destroyed");
+  this.destroyed = true;
+  this.emit('error', err);
+  this.context.unref();
+};
+
+util.inherits(WriteStream, Writable);
+function WriteStream(context, options) {
+  options = options || {};
+  Writable.call(this, options);
+
+  this.context = context;
+  this.context.ref();
+
+  this.start = options.start || 0;
+  this.endOffset = (options.end == null) ? Infinity : +options.end;
+  this.bytesWritten = 0;
+  this.pos = this.start;
+  this.destroyed = false;
+
+  this.on('finish', this.destroy.bind(this));
+}
+
+WriteStream.prototype._write = function(buffer, encoding, callback) {
+  var self = this;
+  if (self.destroyed) return;
+
+  if (self.pos + buffer.length > self.endOffset) {
+    var err = new Error("maximum file length exceeded");
+    err.code = 'ETOOBIG';
+    self.destroy();
+    callback(err);
+    return;
+  }
+  self.context.pend.go(function(cb) {
+    if (self.destroyed) return cb();
+    fs.write(self.context.fd, buffer, 0, buffer.length, self.pos, function(err, bytes) {
+      if (err) {
+        self.destroy();
+        cb();
+        callback(err);
+      } else {
+        self.bytesWritten += bytes;
+        self.pos += bytes;
+        self.emit('progress');
+        cb();
+        callback();
+      }
+    });
+  });
+};
+
+WriteStream.prototype.destroy = function() {
+  if (this.destroyed) return;
+  this.destroyed = true;
+  this.context.unref();
+};
+
+util.inherits(BufferSlicer, EventEmitter);
+function BufferSlicer(buffer, options) {
+  EventEmitter.call(this);
+
+  options = options || {};
+  this.refCount = 0;
+  this.buffer = buffer;
+  this.maxChunkSize = options.maxChunkSize || Number.MAX_SAFE_INTEGER;
+}
+
+BufferSlicer.prototype.read = function(buffer, offset, length, position, callback) {
+  var end = position + length;
+  var delta = end - this.buffer.length;
+  var written = (delta > 0) ? delta : length;
+  this.buffer.copy(buffer, offset, position, end);
+  setImmediate(function() {
+    callback(null, written);
+  });
+};
+
+BufferSlicer.prototype.write = function(buffer, offset, length, position, callback) {
+  buffer.copy(this.buffer, position, offset, offset + length);
+  setImmediate(function() {
+    callback(null, length, buffer);
+  });
+};
+
+BufferSlicer.prototype.createReadStream = function(options) {
+  options = options || {};
+  var readStream = new PassThrough(options);
+  readStream.destroyed = false;
+  readStream.start = options.start || 0;
+  readStream.endOffset = options.end;
+  // by the time this function returns, we'll be done.
+  readStream.pos = readStream.endOffset || this.buffer.length;
+
+  // respect the maxChunkSize option to slice up the chunk into smaller pieces.
+  var entireSlice = this.buffer.slice(readStream.start, readStream.pos);
+  var offset = 0;
+  while (true) {
+    var nextOffset = offset + this.maxChunkSize;
+    if (nextOffset >= entireSlice.length) {
+      // last chunk
+      if (offset < entireSlice.length) {
+        readStream.write(entireSlice.slice(offset, entireSlice.length));
+      }
+      break;
+    }
+    readStream.write(entireSlice.slice(offset, nextOffset));
+    offset = nextOffset;
+  }
+
+  readStream.end();
+  readStream.destroy = function() {
+    readStream.destroyed = true;
+  };
+  return readStream;
+};
+
+BufferSlicer.prototype.createWriteStream = function(options) {
+  var bufferSlicer = this;
+  options = options || {};
+  var writeStream = new Writable(options);
+  writeStream.start = options.start || 0;
+  writeStream.endOffset = (options.end == null) ? this.buffer.length : +options.end;
+  writeStream.bytesWritten = 0;
+  writeStream.pos = writeStream.start;
+  writeStream.destroyed = false;
+  writeStream._write = function(buffer, encoding, callback) {
+    if (writeStream.destroyed) return;
+
+    var end = writeStream.pos + buffer.length;
+    if (end > writeStream.endOffset) {
+      var err = new Error("maximum file length exceeded");
+      err.code = 'ETOOBIG';
+      writeStream.destroyed = true;
+      callback(err);
+      return;
+    }
+    buffer.copy(bufferSlicer.buffer, writeStream.pos, 0, buffer.length);
+
+    writeStream.bytesWritten += buffer.length;
+    writeStream.pos = end;
+    writeStream.emit('progress');
+    callback();
+  };
+  writeStream.destroy = function() {
+    writeStream.destroyed = true;
+  };
+  return writeStream;
+};
+
+BufferSlicer.prototype.ref = function() {
+  this.refCount += 1;
+};
+
+BufferSlicer.prototype.unref = function() {
+  this.refCount -= 1;
+
+  if (this.refCount < 0) {
+    throw new Error("invalid unref");
+  }
+};
+
+function createFromBuffer(buffer, options) {
+  return new BufferSlicer(buffer, options);
+}
+
+function createFromFd(fd, options) {
+  return new FdSlicer(fd, options);
+}

vscode-server-linux-x64-web/node_modules/yauzl/index.js

@@ -0,0 +1,892 @@
+var fs = require("fs");
+var zlib = require("zlib");
+var fd_slicer = require("./fd-slicer");
+var crc32 = require("buffer-crc32");
+var util = require("util");
+var EventEmitter = require("events").EventEmitter;
+var Transform = require("stream").Transform;
+var PassThrough = require("stream").PassThrough;
+var Writable = require("stream").Writable;
+
+exports.open = open;
+exports.fromFd = fromFd;
+exports.fromBuffer = fromBuffer;
+exports.fromRandomAccessReader = fromRandomAccessReader;
+exports.dosDateTimeToDate = dosDateTimeToDate;
+exports.getFileNameLowLevel = getFileNameLowLevel;
+exports.validateFileName = validateFileName;
+exports.parseExtraFields = parseExtraFields;
+exports.ZipFile = ZipFile;
+exports.Entry = Entry;
+exports.LocalFileHeader = LocalFileHeader;
+exports.RandomAccessReader = RandomAccessReader;
+
+function open(path, options, callback) {
+  if (typeof options === "function") {
+    callback = options;
+    options = null;
+  }
+  if (options == null) options = {};
+  if (options.autoClose == null) options.autoClose = true;
+  if (options.lazyEntries == null) options.lazyEntries = false;
+  if (options.decodeStrings == null) options.decodeStrings = true;
+  if (options.validateEntrySizes == null) options.validateEntrySizes = true;
+  if (options.strictFileNames == null) options.strictFileNames = false;
+  if (callback == null) callback = defaultCallback;
+  fs.open(path, "r", function(err, fd) {
+    if (err) return callback(err);
+    fromFd(fd, options, function(err, zipfile) {
+      if (err) fs.close(fd, defaultCallback);
+      callback(err, zipfile);
+    });
+  });
+}
+
+function fromFd(fd, options, callback) {
+  if (typeof options === "function") {
+    callback = options;
+    options = null;
+  }
+  if (options == null) options = {};
+  if (options.autoClose == null) options.autoClose = false;
+  if (options.lazyEntries == null) options.lazyEntries = false;
+  if (options.decodeStrings == null) options.decodeStrings = true;
+  if (options.validateEntrySizes == null) options.validateEntrySizes = true;
+  if (options.strictFileNames == null) options.strictFileNames = false;
+  if (callback == null) callback = defaultCallback;
+  fs.fstat(fd, function(err, stats) {
+    if (err) return callback(err);
+    var reader = fd_slicer.createFromFd(fd, {autoClose: true});
+    fromRandomAccessReader(reader, stats.size, options, callback);
+  });
+}
+
+function fromBuffer(buffer, options, callback) {
+  if (typeof options === "function") {
+    callback = options;
+    options = null;
+  }
+  if (options == null) options = {};
+  options.autoClose = false;
+  if (options.lazyEntries == null) options.lazyEntries = false;
+  if (options.decodeStrings == null) options.decodeStrings = true;
+  if (options.validateEntrySizes == null) options.validateEntrySizes = true;
+  if (options.strictFileNames == null) options.strictFileNames = false;
+  // limit the max chunk size. see https://github.com/thejoshwolfe/yauzl/issues/87
+  var reader = fd_slicer.createFromBuffer(buffer, {maxChunkSize: 0x10000});
+  fromRandomAccessReader(reader, buffer.length, options, callback);
+}
+
+function fromRandomAccessReader(reader, totalSize, options, callback) {
+  if (typeof options === "function") {
+    callback = options;
+    options = null;
+  }
+  if (options == null) options = {};
+  if (options.autoClose == null) options.autoClose = true;
+  if (options.lazyEntries == null) options.lazyEntries = false;
+  if (options.decodeStrings == null) options.decodeStrings = true;
+  var decodeStrings = !!options.decodeStrings;
+  if (options.validateEntrySizes == null) options.validateEntrySizes = true;
+  if (options.strictFileNames == null) options.strictFileNames = false;
+  if (callback == null) callback = defaultCallback;
+  if (typeof totalSize !== "number") throw new Error("expected totalSize parameter to be a number");
+  if (totalSize > Number.MAX_SAFE_INTEGER) {
+    throw new Error("zip file too large. only file sizes up to 2^52 are supported due to JavaScript's Number type being an IEEE 754 double.");
+  }
+
+  // the matching unref() call is in zipfile.close()
+  reader.ref();
+
+  // eocdr means End of Central Directory Record.
+  // search backwards for the eocdr signature.
+  // the last field of the eocdr is a variable-length comment.
+  // the comment size is encoded in a 2-byte field in the eocdr, which we can't find without trudging backwards through the comment to find it.
+  // as a consequence of this design decision, it's possible to have ambiguous zip file metadata if a coherent eocdr was in the comment.
+  // we search backwards for a eocdr signature, and hope that whoever made the zip file was smart enough to forbid the eocdr signature in the comment.
+  var eocdrWithoutCommentSize = 22;
+  var zip64EocdlSize = 20; // Zip64 end of central directory locator
+  var maxCommentSize = 0xffff; // 2-byte size
+  var bufferSize = Math.min(zip64EocdlSize + eocdrWithoutCommentSize + maxCommentSize, totalSize);
+  var buffer = newBuffer(bufferSize);
+  var bufferReadStart = totalSize - buffer.length;
+  readAndAssertNoEof(reader, buffer, 0, bufferSize, bufferReadStart, function(err) {
+    if (err) return callback(err);
+    for (var i = bufferSize - eocdrWithoutCommentSize; i >= 0; i -= 1) {
+      if (buffer.readUInt32LE(i) !== 0x06054b50) continue;
+      // found eocdr
+      var eocdrBuffer = buffer.subarray(i);
+
+      // 0 - End of central directory signature = 0x06054b50
+      // 4 - Number of this disk
+      var diskNumber = eocdrBuffer.readUInt16LE(4);
+      // 6 - Disk where central directory starts
+      // 8 - Number of central directory records on this disk
+      // 10 - Total number of central directory records
+      var entryCount = eocdrBuffer.readUInt16LE(10);
+      // 12 - Size of central directory (bytes)
+      // 16 - Offset of start of central directory, relative to start of archive
+      var centralDirectoryOffset = eocdrBuffer.readUInt32LE(16);
+      // 20 - Comment length
+      var commentLength = eocdrBuffer.readUInt16LE(20);
+      var expectedCommentLength = eocdrBuffer.length - eocdrWithoutCommentSize;
+      if (commentLength !== expectedCommentLength) {
+        return callback(new Error("Invalid comment length. Expected: " + expectedCommentLength + ". Found: " + commentLength + ". Are there extra bytes at the end of the file? Or is the end of central dir signature `PK☺☻` in the comment?"));
+      }
+      // 22 - Comment
+      // the encoding is always cp437.
+      var comment = decodeStrings ? decodeBuffer(eocdrBuffer.subarray(22), false)
+                                  : eocdrBuffer.subarray(22);
+
+      // Look for a Zip64 end of central directory locator
+      if (i - zip64EocdlSize >= 0 && buffer.readUInt32LE(i - zip64EocdlSize) === 0x07064b50) {
+        // ZIP64 format
+        var zip64EocdlBuffer = buffer.subarray(i - zip64EocdlSize, i - zip64EocdlSize + zip64EocdlSize);
+        // 0 - zip64 end of central dir locator signature = 0x07064b50
+        // 4 - number of the disk with the start of the zip64 end of central directory
+        // 8 - relative offset of the zip64 end of central directory record
+        var zip64EocdrOffset = readUInt64LE(zip64EocdlBuffer, 8);
+        // 16 - total number of disks
+
+        // ZIP64 end of central directory record
+        var zip64EocdrBuffer = newBuffer(56);
+        return readAndAssertNoEof(reader, zip64EocdrBuffer, 0, zip64EocdrBuffer.length, zip64EocdrOffset, function(err) {
+          if (err) return callback(err);
+
+          // 0 - zip64 end of central dir signature                           4 bytes  (0x06064b50)
+          if (zip64EocdrBuffer.readUInt32LE(0) !== 0x06064b50) {
+            return callback(new Error("invalid zip64 end of central directory record signature"));
+          }
+          // 4 - size of zip64 end of central directory record                8 bytes
+          // 12 - version made by                                             2 bytes
+          // 14 - version needed to extract                                   2 bytes
+          // 16 - number of this disk                                         4 bytes
+          diskNumber = zip64EocdrBuffer.readUInt32LE(16);
+          if (diskNumber !== 0) {
+            // Check this only after zip64 overrides. See #118.
+            return callback(new Error("multi-disk zip files are not supported: found disk number: " + diskNumber));
+          }
+          // 20 - number of the disk with the start of the central directory  4 bytes
+          // 24 - total number of entries in the central directory on this disk         8 bytes
+          // 32 - total number of entries in the central directory            8 bytes
+          entryCount = readUInt64LE(zip64EocdrBuffer, 32);
+          // 40 - size of the central directory                               8 bytes
+          // 48 - offset of start of central directory with respect to the starting disk number     8 bytes
+          centralDirectoryOffset = readUInt64LE(zip64EocdrBuffer, 48);
+          // 56 - zip64 extensible data sector                                (variable size)
+          return callback(null, new ZipFile(reader, centralDirectoryOffset, totalSize, entryCount, comment, options.autoClose, options.lazyEntries, decodeStrings, options.validateEntrySizes, options.strictFileNames));
+        });
+      }
+
+      // Not ZIP64 format
+      if (diskNumber !== 0) {
+        return callback(new Error("multi-disk zip files are not supported: found disk number: " + diskNumber));
+      }
+      return callback(null, new ZipFile(reader, centralDirectoryOffset, totalSize, entryCount, comment, options.autoClose, options.lazyEntries, decodeStrings, options.validateEntrySizes, options.strictFileNames));
+
+    }
+
+    // Not a zip file.
+    callback(new Error("End of central directory record signature not found. Either not a zip file, or file is truncated."));
+  });
+}
+
+util.inherits(ZipFile, EventEmitter);
+function ZipFile(reader, centralDirectoryOffset, fileSize, entryCount, comment, autoClose, lazyEntries, decodeStrings, validateEntrySizes, strictFileNames) {
+  var self = this;
+  EventEmitter.call(self);
+  self.reader = reader;
+  // forward close events
+  self.reader.on("error", function(err) {
+    // error closing the fd
+    emitError(self, err);
+  });
+  self.reader.once("close", function() {
+    self.emit("close");
+  });
+  self.readEntryCursor = centralDirectoryOffset;
+  self.fileSize = fileSize;
+  self.entryCount = entryCount;
+  self.comment = comment;
+  self.entriesRead = 0;
+  self.autoClose = !!autoClose;
+  self.lazyEntries = !!lazyEntries;
+  self.decodeStrings = !!decodeStrings;
+  self.validateEntrySizes = !!validateEntrySizes;
+  self.strictFileNames = !!strictFileNames;
+  self.isOpen = true;
+  self.emittedError = false;
+
+  if (!self.lazyEntries) self._readEntry();
+}
+ZipFile.prototype.close = function() {
+  if (!this.isOpen) return;
+  this.isOpen = false;
+  this.reader.unref();
+};
+
+function emitErrorAndAutoClose(self, err) {
+  if (self.autoClose) self.close();
+  emitError(self, err);
+}
+function emitError(self, err) {
+  if (self.emittedError) return;
+  self.emittedError = true;
+  self.emit("error", err);
+}
+
+ZipFile.prototype.readEntry = function() {
+  if (!this.lazyEntries) throw new Error("readEntry() called without lazyEntries:true");
+  this._readEntry();
+};
+ZipFile.prototype._readEntry = function() {
+  var self = this;
+  if (self.entryCount === self.entriesRead) {
+    // done with metadata
+    setImmediate(function() {
+      if (self.autoClose) self.close();
+      if (self.emittedError) return;
+      self.emit("end");
+    });
+    return;
+  }
+  if (self.emittedError) return;
+  var buffer = newBuffer(46);
+  readAndAssertNoEof(self.reader, buffer, 0, buffer.length, self.readEntryCursor, function(err) {
+    if (err) return emitErrorAndAutoClose(self, err);
+    if (self.emittedError) return;
+    var entry = new Entry();
+    // 0 - Central directory file header signature
+    var signature = buffer.readUInt32LE(0);
+    if (signature !== 0x02014b50) return emitErrorAndAutoClose(self, new Error("invalid central directory file header signature: 0x" + signature.toString(16)));
+    // 4 - Version made by
+    entry.versionMadeBy = buffer.readUInt16LE(4);
+    // 6 - Version needed to extract (minimum)
+    entry.versionNeededToExtract = buffer.readUInt16LE(6);
+    // 8 - General purpose bit flag
+    entry.generalPurposeBitFlag = buffer.readUInt16LE(8);
+    // 10 - Compression method
+    entry.compressionMethod = buffer.readUInt16LE(10);
+    // 12 - File last modification time
+    entry.lastModFileTime = buffer.readUInt16LE(12);
+    // 14 - File last modification date
+    entry.lastModFileDate = buffer.readUInt16LE(14);
+    // 16 - CRC-32
+    entry.crc32 = buffer.readUInt32LE(16);
+    // 20 - Compressed size
+    entry.compressedSize = buffer.readUInt32LE(20);
+    // 24 - Uncompressed size
+    entry.uncompressedSize = buffer.readUInt32LE(24);
+    // 28 - File name length (n)
+    entry.fileNameLength = buffer.readUInt16LE(28);
+    // 30 - Extra field length (m)
+    entry.extraFieldLength = buffer.readUInt16LE(30);
+    // 32 - File comment length (k)
+    entry.fileCommentLength = buffer.readUInt16LE(32);
+    // 34 - Disk number where file starts
+    // 36 - Internal file attributes
+    entry.internalFileAttributes = buffer.readUInt16LE(36);
+    // 38 - External file attributes
+    entry.externalFileAttributes = buffer.readUInt32LE(38);
+    // 42 - Relative offset of local file header
+    entry.relativeOffsetOfLocalHeader = buffer.readUInt32LE(42);
+
+    if (entry.generalPurposeBitFlag & 0x40) return emitErrorAndAutoClose(self, new Error("strong encryption is not supported"));
+
+    self.readEntryCursor += 46;
+
+    buffer = newBuffer(entry.fileNameLength + entry.extraFieldLength + entry.fileCommentLength);
+    readAndAssertNoEof(self.reader, buffer, 0, buffer.length, self.readEntryCursor, function(err) {
+      if (err) return emitErrorAndAutoClose(self, err);
+      if (self.emittedError) return;
+      // 46 - File name
+      entry.fileNameRaw = buffer.subarray(0, entry.fileNameLength);
+      // 46+n - Extra field
+      var fileCommentStart = entry.fileNameLength + entry.extraFieldLength;
+      entry.extraFieldRaw = buffer.subarray(entry.fileNameLength, fileCommentStart);
+      // 46+n+m - File comment
+      entry.fileCommentRaw = buffer.subarray(fileCommentStart, fileCommentStart + entry.fileCommentLength);
+
+      // Parse the extra fields, which we need for processing other fields.
+      try {
+        entry.extraFields = parseExtraFields(entry.extraFieldRaw);
+      } catch (err) {
+        return emitErrorAndAutoClose(self, err);
+      }
+
+      // Interpret strings according to bit flags, extra fields, and options.
+      if (self.decodeStrings) {
+        var isUtf8 = (entry.generalPurposeBitFlag & 0x800) !== 0;
+        entry.fileComment = decodeBuffer(entry.fileCommentRaw, isUtf8);
+        entry.fileName = getFileNameLowLevel(entry.generalPurposeBitFlag, entry.fileNameRaw, entry.extraFields, self.strictFileNames);
+        var errorMessage = validateFileName(entry.fileName);
+        if (errorMessage != null) return emitErrorAndAutoClose(self, new Error(errorMessage));
+      } else {
+        entry.fileComment = entry.fileCommentRaw;
+        entry.fileName = entry.fileNameRaw;
+      }
+      // Maintain API compatibility. See https://github.com/thejoshwolfe/yauzl/issues/47
+      entry.comment = entry.fileComment;
+
+      self.readEntryCursor += buffer.length;
+      self.entriesRead += 1;
+
+      if (entry.uncompressedSize            === 0xffffffff ||
+          entry.compressedSize              === 0xffffffff ||
+          entry.relativeOffsetOfLocalHeader === 0xffffffff) {
+        // ZIP64 format
+        // find the Zip64 Extended Information Extra Field
+        var zip64EiefBuffer = null;
+        for (var i = 0; i < entry.extraFields.length; i++) {
+          var extraField = entry.extraFields[i];
+          if (extraField.id === 0x0001) {
+            zip64EiefBuffer = extraField.data;
+            break;
+          }
+        }
+        if (zip64EiefBuffer == null) {
+          return emitErrorAndAutoClose(self, new Error("expected zip64 extended information extra field"));
+        }
+        var index = 0;
+        // 0 - Original Size          8 bytes
+        if (entry.uncompressedSize === 0xffffffff) {
+          if (index + 8 > zip64EiefBuffer.length) {
+            return emitErrorAndAutoClose(self, new Error("zip64 extended information extra field does not include uncompressed size"));
+          }
+          entry.uncompressedSize = readUInt64LE(zip64EiefBuffer, index);
+          index += 8;
+        }
+        // 8 - Compressed Size        8 bytes
+        if (entry.compressedSize === 0xffffffff) {
+          if (index + 8 > zip64EiefBuffer.length) {
+            return emitErrorAndAutoClose(self, new Error("zip64 extended information extra field does not include compressed size"));
+          }
+          entry.compressedSize = readUInt64LE(zip64EiefBuffer, index);
+          index += 8;
+        }
+        // 16 - Relative Header Offset 8 bytes
+        if (entry.relativeOffsetOfLocalHeader === 0xffffffff) {
+          if (index + 8 > zip64EiefBuffer.length) {
+            return emitErrorAndAutoClose(self, new Error("zip64 extended information extra field does not include relative header offset"));
+          }
+          entry.relativeOffsetOfLocalHeader = readUInt64LE(zip64EiefBuffer, index);
+          index += 8;
+        }
+        // 24 - Disk Start Number      4 bytes
+      }
+
+      // validate file size
+      if (self.validateEntrySizes && entry.compressionMethod === 0) {
+        var expectedCompressedSize = entry.uncompressedSize;
+        if (entry.isEncrypted()) {
+          // traditional encryption prefixes the file data with a header
+          expectedCompressedSize += 12;
+        }
+        if (entry.compressedSize !== expectedCompressedSize) {
+          var msg = "compressed/uncompressed size mismatch for stored file: " + entry.compressedSize + " != " + entry.uncompressedSize;
+          return emitErrorAndAutoClose(self, new Error(msg));
+        }
+      }
+
+      self.emit("entry", entry);
+
+      if (!self.lazyEntries) self._readEntry();
+    });
+  });
+};
+
+ZipFile.prototype.openReadStream = function(entry, options, callback) {
+  var self = this;
+  // parameter validation
+  var relativeStart = 0;
+  var relativeEnd = entry.compressedSize;
+  if (callback == null) {
+    callback = options;
+    options = null;
+  }
+  if (options == null) {
+    options = {};
+  } else {
+    // validate options that the caller has no excuse to get wrong
+    if (options.decrypt != null) {
+      if (!entry.isEncrypted()) {
+        throw new Error("options.decrypt can only be specified for encrypted entries");
+      }
+      if (options.decrypt !== false) throw new Error("invalid options.decrypt value: " + options.decrypt);
+      if (entry.isCompressed()) {
+        if (options.decompress !== false) throw new Error("entry is encrypted and compressed, and options.decompress !== false");
+      }
+    }
+    if (options.decompress != null) {
+      if (!entry.isCompressed()) {
+        throw new Error("options.decompress can only be specified for compressed entries");
+      }
+      if (!(options.decompress === false || options.decompress === true)) {
+        throw new Error("invalid options.decompress value: " + options.decompress);
+      }
+    }
+    if (options.start != null || options.end != null) {
+      if (entry.isCompressed() && options.decompress !== false) {
+        throw new Error("start/end range not allowed for compressed entry without options.decompress === false");
+      }
+      if (entry.isEncrypted() && options.decrypt !== false) {
+        throw new Error("start/end range not allowed for encrypted entry without options.decrypt === false");
+      }
+    }
+    if (options.start != null) {
+      relativeStart = options.start;
+      if (relativeStart < 0) throw new Error("options.start < 0");
+      if (relativeStart > entry.compressedSize) throw new Error("options.start > entry.compressedSize");
+    }
+    if (options.end != null) {
+      relativeEnd = options.end;
+      if (relativeEnd < 0) throw new Error("options.end < 0");
+      if (relativeEnd > entry.compressedSize) throw new Error("options.end > entry.compressedSize");
+      if (relativeEnd < relativeStart) throw new Error("options.end < options.start");
+    }
+  }
+  // any further errors can either be caused by the zipfile,
+  // or were introduced in a minor version of yauzl,
+  // so should be passed to the client rather than thrown.
+  if (!self.isOpen) return callback(new Error("closed"));
+  if (entry.isEncrypted()) {
+    if (options.decrypt !== false) return callback(new Error("entry is encrypted, and options.decrypt !== false"));
+  }
+  var decompress;
+  if (entry.compressionMethod === 0) {
+    // 0 - The file is stored (no compression)
+    decompress = false;
+  } else if (entry.compressionMethod === 8) {
+    // 8 - The file is Deflated
+    decompress = options.decompress != null ? options.decompress : true;
+  } else {
+    return callback(new Error("unsupported compression method: " + entry.compressionMethod));
+  }
+
+  self.readLocalFileHeader(entry, {minimal: true}, function(err, localFileHeader) {
+    if (err) return callback(err);
+    self.openReadStreamLowLevel(
+      localFileHeader.fileDataStart, entry.compressedSize,
+      relativeStart, relativeEnd,
+      decompress, entry.uncompressedSize,
+      callback);
+  });
+};
+
+ZipFile.prototype.openReadStreamLowLevel = function(fileDataStart, compressedSize, relativeStart, relativeEnd, decompress, uncompressedSize, callback) {
+  var self = this;
+
+  var fileDataEnd = fileDataStart + compressedSize;
+  var readStream = self.reader.createReadStream({
+    start: fileDataStart + relativeStart,
+    end: fileDataStart + relativeEnd,
+  });
+  var endpointStream = readStream;
+  if (decompress) {
+    var destroyed = false;
+    var inflateFilter = zlib.createInflateRaw();
+    readStream.on("error", function(err) {
+      // setImmediate here because errors can be emitted during the first call to pipe()
+      setImmediate(function() {
+        if (!destroyed) inflateFilter.emit("error", err);
+      });
+    });
+    readStream.pipe(inflateFilter);
+
+    if (self.validateEntrySizes) {
+      endpointStream = new AssertByteCountStream(uncompressedSize);
+      inflateFilter.on("error", function(err) {
+        // forward zlib errors to the client-visible stream
+        setImmediate(function() {
+          if (!destroyed) endpointStream.emit("error", err);
+        });
+      });
+      inflateFilter.pipe(endpointStream);
+    } else {
+      // the zlib filter is the client-visible stream
+      endpointStream = inflateFilter;
+    }
+    // this is part of yauzl's API, so implement this function on the client-visible stream
+    installDestroyFn(endpointStream, function() {
+      destroyed = true;
+      if (inflateFilter !== endpointStream) inflateFilter.unpipe(endpointStream);
+      readStream.unpipe(inflateFilter);
+      // TODO: the inflateFilter may cause a memory leak. see Issue #27.
+      readStream.destroy();
+    });
+  }
+  callback(null, endpointStream);
+};
+
+ZipFile.prototype.readLocalFileHeader = function(entry, options, callback) {
+  var self = this;
+  if (callback == null) {
+    callback = options;
+    options = null;
+  }
+  if (options == null) options = {};
+
+  self.reader.ref();
+  var buffer = newBuffer(30);
+  readAndAssertNoEof(self.reader, buffer, 0, buffer.length, entry.relativeOffsetOfLocalHeader, function(err) {
+    try {
+      if (err) return callback(err);
+      // 0 - Local file header signature = 0x04034b50
+      var signature = buffer.readUInt32LE(0);
+      if (signature !== 0x04034b50) {
+        return callback(new Error("invalid local file header signature: 0x" + signature.toString(16)));
+      }
+
+      var fileNameLength = buffer.readUInt16LE(26);
+      var extraFieldLength = buffer.readUInt16LE(28);
+      var fileDataStart = entry.relativeOffsetOfLocalHeader + 30 + fileNameLength + extraFieldLength;
+      // We now have enough information to do this bounds check.
+      if (fileDataStart + entry.compressedSize > self.fileSize) {
+        return callback(new Error("file data overflows file bounds: " +
+            fileDataStart + " + " + entry.compressedSize + " > " + self.fileSize));
+      }
+
+      if (options.minimal) {
+        return callback(null, {fileDataStart: fileDataStart});
+      }
+
+      var localFileHeader = new LocalFileHeader();
+      localFileHeader.fileDataStart = fileDataStart;
+
+      // 4 - Version needed to extract (minimum)
+      localFileHeader.versionNeededToExtract = buffer.readUInt16LE(4);
+      // 6 - General purpose bit flag
+      localFileHeader.generalPurposeBitFlag = buffer.readUInt16LE(6);
+      // 8 - Compression method
+      localFileHeader.compressionMethod = buffer.readUInt16LE(8);
+      // 10 - File last modification time
+      localFileHeader.lastModFileTime = buffer.readUInt16LE(10);
+      // 12 - File last modification date
+      localFileHeader.lastModFileDate = buffer.readUInt16LE(12);
+      // 14 - CRC-32
+      localFileHeader.crc32 = buffer.readUInt32LE(14);
+      // 18 - Compressed size
+      localFileHeader.compressedSize = buffer.readUInt32LE(18);
+      // 22 - Uncompressed size
+      localFileHeader.uncompressedSize = buffer.readUInt32LE(22);
+      // 26 - File name length (n)
+      localFileHeader.fileNameLength = fileNameLength;
+      // 28 - Extra field length (m)
+      localFileHeader.extraFieldLength = extraFieldLength;
+      // 30 - File name
+      // 30+n - Extra field
+
+      buffer = newBuffer(fileNameLength + extraFieldLength);
+      self.reader.ref();
+      readAndAssertNoEof(self.reader, buffer, 0, buffer.length, entry.relativeOffsetOfLocalHeader + 30, function(err) {
+        try {
+          if (err) return callback(err);
+          localFileHeader.fileName = buffer.subarray(0, fileNameLength);
+          localFileHeader.extraField = buffer.subarray(fileNameLength);
+          return callback(null, localFileHeader);
+        } finally {
+          self.reader.unref();
+        }
+      });
+    } finally {
+      self.reader.unref();
+    }
+  });
+};
+
+function Entry() {
+}
+Entry.prototype.getLastModDate = function() {
+  return dosDateTimeToDate(this.lastModFileDate, this.lastModFileTime);
+};
+Entry.prototype.isEncrypted = function() {
+  return (this.generalPurposeBitFlag & 0x1) !== 0;
+};
+Entry.prototype.isCompressed = function() {
+  return this.compressionMethod === 8;
+};
+
+function LocalFileHeader() {
+}
+
+function dosDateTimeToDate(date, time) {
+  var day = date & 0x1f; // 1-31
+  var month = (date >> 5 & 0xf) - 1; // 1-12, 0-11
+  var year = (date >> 9 & 0x7f) + 1980; // 0-128, 1980-2108
+
+  var millisecond = 0;
+  var second = (time & 0x1f) * 2; // 0-29, 0-58 (even numbers)
+  var minute = time >> 5 & 0x3f; // 0-59
+  var hour = time >> 11 & 0x1f; // 0-23
+
+  return new Date(year, month, day, hour, minute, second, millisecond);
+}
+
+function getFileNameLowLevel(generalPurposeBitFlag, fileNameBuffer, extraFields, strictFileNames) {
+  var fileName = null;
+
+  // check for Info-ZIP Unicode Path Extra Field (0x7075)
+  // see https://github.com/thejoshwolfe/yauzl/issues/33
+  for (var i = 0; i < extraFields.length; i++) {
+    var extraField = extraFields[i];
+    if (extraField.id === 0x7075) {
+      if (extraField.data.length < 6) {
+        // too short to be meaningful
+        continue;
+      }
+      // Version       1 byte      version of this extra field, currently 1
+      if (extraField.data.readUInt8(0) !== 1) {
+        // > Changes may not be backward compatible so this extra
+        // > field should not be used if the version is not recognized.
+        continue;
+      }
+      // NameCRC32     4 bytes     File Name Field CRC32 Checksum
+      var oldNameCrc32 = extraField.data.readUInt32LE(1);
+      if (crc32.unsigned(fileNameBuffer) !== oldNameCrc32) {
+        // > If the CRC check fails, this UTF-8 Path Extra Field should be
+        // > ignored and the File Name field in the header should be used instead.
+        continue;
+      }
+      // UnicodeName   Variable    UTF-8 version of the entry File Name
+      fileName = decodeBuffer(extraField.data.subarray(5), true);
+      break;
+    }
+  }
+
+  if (fileName == null) {
+    // The typical case.
+    var isUtf8 = (generalPurposeBitFlag & 0x800) !== 0;
+    fileName = decodeBuffer(fileNameBuffer, isUtf8);
+  }
+
+  if (!strictFileNames) {
+    // Allow backslash.
+    fileName = fileName.replace(/\\/g, "/");
+  }
+  return fileName;
+}
+
+function validateFileName(fileName) {
+  if (fileName.indexOf("\\") !== -1) {
+    return "invalid characters in fileName: " + fileName;
+  }
+  if (/^[a-zA-Z]:/.test(fileName) || /^\//.test(fileName)) {
+    return "absolute path: " + fileName;
+  }
+  if (fileName.split("/").indexOf("..") !== -1) {
+    return "invalid relative path: " + fileName;
+  }
+  // all good
+  return null;
+}
+
+function parseExtraFields(extraFieldBuffer) {
+  var extraFields = [];
+  var i = 0;
+  while (i < extraFieldBuffer.length - 3) {
+    var headerId = extraFieldBuffer.readUInt16LE(i + 0);
+    var dataSize = extraFieldBuffer.readUInt16LE(i + 2);
+    var dataStart = i + 4;
+    var dataEnd = dataStart + dataSize;
+    if (dataEnd > extraFieldBuffer.length) throw new Error("extra field length exceeds extra field buffer size");
+    var dataBuffer = extraFieldBuffer.subarray(dataStart, dataEnd);
+    extraFields.push({
+      id: headerId,
+      data: dataBuffer,
+    });
+    i = dataEnd;
+  }
+  return extraFields;
+}
+
+function readAndAssertNoEof(reader, buffer, offset, length, position, callback) {
+  if (length === 0) {
+    // fs.read will throw an out-of-bounds error if you try to read 0 bytes from a 0 byte file
+    return setImmediate(function() { callback(null, newBuffer(0)); });
+  }
+  reader.read(buffer, offset, length, position, function(err, bytesRead) {
+    if (err) return callback(err);
+    if (bytesRead < length) {
+      return callback(new Error("unexpected EOF"));
+    }
+    callback();
+  });
+}
+
+util.inherits(AssertByteCountStream, Transform);
+function AssertByteCountStream(byteCount) {
+  Transform.call(this);
+  this.actualByteCount = 0;
+  this.expectedByteCount = byteCount;
+}
+AssertByteCountStream.prototype._transform = function(chunk, encoding, cb) {
+  this.actualByteCount += chunk.length;
+  if (this.actualByteCount > this.expectedByteCount) {
+    var msg = "too many bytes in the stream. expected " + this.expectedByteCount + ". got at least " + this.actualByteCount;
+    return cb(new Error(msg));
+  }
+  cb(null, chunk);
+};
+AssertByteCountStream.prototype._flush = function(cb) {
+  if (this.actualByteCount < this.expectedByteCount) {
+    var msg = "not enough bytes in the stream. expected " + this.expectedByteCount + ". got only " + this.actualByteCount;
+    return cb(new Error(msg));
+  }
+  cb();
+};
+
+util.inherits(RandomAccessReader, EventEmitter);
+function RandomAccessReader() {
+  EventEmitter.call(this);
+  this.refCount = 0;
+}
+RandomAccessReader.prototype.ref = function() {
+  this.refCount += 1;
+};
+RandomAccessReader.prototype.unref = function() {
+  var self = this;
+  self.refCount -= 1;
+
+  if (self.refCount > 0) return;
+  if (self.refCount < 0) throw new Error("invalid unref");
+
+  self.close(onCloseDone);
+
+  function onCloseDone(err) {
+    if (err) return self.emit('error', err);
+    self.emit('close');
+  }
+};
+RandomAccessReader.prototype.createReadStream = function(options) {
+  if (options == null) options = {};
+  var start = options.start;
+  var end = options.end;
+  if (start === end) {
+    var emptyStream = new PassThrough();
+    setImmediate(function() {
+      emptyStream.end();
+    });
+    return emptyStream;
+  }
+  var stream = this._readStreamForRange(start, end);
+
+  var destroyed = false;
+  var refUnrefFilter = new RefUnrefFilter(this);
+  stream.on("error", function(err) {
+    setImmediate(function() {
+      if (!destroyed) refUnrefFilter.emit("error", err);
+    });
+  });
+  installDestroyFn(refUnrefFilter, function() {
+    stream.unpipe(refUnrefFilter);
+    refUnrefFilter.unref();
+    stream.destroy();
+  });
+
+  var byteCounter = new AssertByteCountStream(end - start);
+  refUnrefFilter.on("error", function(err) {
+    setImmediate(function() {
+      if (!destroyed) byteCounter.emit("error", err);
+    });
+  });
+  installDestroyFn(byteCounter, function() {
+    destroyed = true;
+    refUnrefFilter.unpipe(byteCounter);
+    refUnrefFilter.destroy();
+  });
+
+  return stream.pipe(refUnrefFilter).pipe(byteCounter);
+};
+RandomAccessReader.prototype._readStreamForRange = function(start, end) {
+  throw new Error("not implemented");
+};
+RandomAccessReader.prototype.read = function(buffer, offset, length, position, callback) {
+  var readStream = this.createReadStream({start: position, end: position + length});
+  var writeStream = new Writable();
+  var written = 0;
+  writeStream._write = function(chunk, encoding, cb) {
+    chunk.copy(buffer, offset + written, 0, chunk.length);
+    written += chunk.length;
+    cb();
+  };
+  writeStream.on("finish", callback);
+  readStream.on("error", function(error) {
+    callback(error);
+  });
+  readStream.pipe(writeStream);
+};
+RandomAccessReader.prototype.close = function(callback) {
+  setImmediate(callback);
+};
+
+util.inherits(RefUnrefFilter, PassThrough);
+function RefUnrefFilter(context) {
+  PassThrough.call(this);
+  this.context = context;
+  this.context.ref();
+  this.unreffedYet = false;
+}
+RefUnrefFilter.prototype._flush = function(cb) {
+  this.unref();
+  cb();
+};
+RefUnrefFilter.prototype.unref = function(cb) {
+  if (this.unreffedYet) return;
+  this.unreffedYet = true;
+  this.context.unref();
+};
+
+var cp437 = '\u0000☺☻♥♦♣♠•◘○◙♂♀♪♫☼►◄↕‼¶§▬↨↑↓→←∟↔▲▼ !"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~⌂ÇüéâäàåçêëèïîìÄÅÉæÆôöòûùÿÖÜ¢£¥₧ƒáíóúñѪº¿⌐¬½¼¡«»░▒▓│┤╡╢╖╕╣║╗╝╜╛┐└┴┬├─┼╞╟╚╔╩╦╠═╬╧╨╤╥╙╘╒╓╫╪┘┌█▄▌▐▀αßΓπΣσµτΦΘΩδ∞φε∩≡±≥≤⌠⌡÷≈°∙·√ⁿ²■ ';
+function decodeBuffer(buffer, isUtf8) {
+  if (isUtf8) {
+    return buffer.toString("utf8");
+  } else {
+    var result = "";
+    for (var i = 0; i < buffer.length; i++) {
+      result += cp437[buffer[i]];
+    }
+    return result;
+  }
+}
+
+function readUInt64LE(buffer, offset) {
+  // there is no native function for this, because we can't actually store 64-bit integers precisely.
+  // after 53 bits, JavaScript's Number type (IEEE 754 double) can't store individual integers anymore.
+  // but since 53 bits is a whole lot more than 32 bits, we do our best anyway.
+  var lower32 = buffer.readUInt32LE(offset);
+  var upper32 = buffer.readUInt32LE(offset + 4);
+  // we can't use bitshifting here, because JavaScript bitshifting only works on 32-bit integers.
+  return upper32 * 0x100000000 + lower32;
+  // as long as we're bounds checking the result of this function against the total file size,
+  // we'll catch any overflow errors, because we already made sure the total file size was within reason.
+}
+
+// Node 10 deprecated new Buffer().
+var newBuffer;
+if (typeof Buffer.allocUnsafe === "function") {
+  newBuffer = function(len) {
+    return Buffer.allocUnsafe(len);
+  };
+} else {
+  newBuffer = function(len) {
+    return new Buffer(len);
+  };
+}
+
+// Node 8 introduced a proper destroy() implementation on writable streams.
+function installDestroyFn(stream, fn) {
+  if (typeof stream.destroy === "function") {
+    // New API.
+    stream._destroy = function(err, cb) {
+      fn();
+      if (cb != null) cb(err);
+    };
+  } else {
+    // Old API.
+    stream.destroy = fn;
+  }
+}
+
+function defaultCallback(err) {
+  if (err) throw err;
+}

vscode-server-linux-x64-web/node_modules/yauzl/package.json

@@ -0,0 +1,40 @@
+{
+  "name": "yauzl",
+  "version": "3.1.1",
+  "description": "yet another unzip library for node",
+  "engines": {
+    "node": ">=12"
+  },
+  "main": "index.js",
+  "scripts": {
+    "test": "node test/test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/thejoshwolfe/yauzl.git"
+  },
+  "keywords": [
+    "unzip",
+    "zip",
+    "stream",
+    "archive",
+    "file"
+  ],
+  "author": "Josh Wolfe <thejoshwolfe@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/thejoshwolfe/yauzl/issues"
+  },
+  "homepage": "https://github.com/thejoshwolfe/yauzl",
+  "dependencies": {
+    "buffer-crc32": "~0.2.3",
+    "pend": "~1.2.0"
+  },
+  "devDependencies": {
+    "bl": "^6.0.11"
+  },
+  "files": [
+    "fd-slicer.js",
+    "index.js"
+  ]
+}