electron-builder-lib/out/asar/asarUtil.js

electron-builder lib

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.AsarPackager = void 0;

function _bluebirdLst() {
  const data = require("bluebird-lst");

  _bluebirdLst = function () {
    return data;
  };

  return data;
}

function _builderUtil() {
  const data = require("builder-util");

  _builderUtil = function () {
    return data;
  };

  return data;
}

function _fs() {
  const data = require("builder-util/out/fs");

  _fs = function () {
    return data;
  };

  return data;
}

function _fs2() {
  const data = require("fs");

  _fs2 = function () {
    return data;
  };

  return data;
}

function _fsExtraP() {
  const data = require("fs-extra-p");

  _fsExtraP = function () {
    return data;
  };

  return data;
}

var path = _interopRequireWildcard(require("path"));

function _appFileCopier() {
  const data = require("../util/appFileCopier");

  _appFileCopier = function () {
    return data;
  };

  return data;
}

function _asar() {
  const data = require("./asar");

  _asar = function () {
    return data;
  };

  return data;
}

function _unpackDetector() {
  const data = require("./unpackDetector");

  _unpackDetector = function () {
    return data;
  };

  return data;
}

let order = (() => {
  var _ref2 = (0, _bluebirdLst().coroutine)(function* (filenames, orderingFile, src) {
    const orderingFiles = (yield (0, _fsExtraP().readFile)(orderingFile, "utf8")).split("\n").map(line => {
      if (line.indexOf(":") !== -1) {
        line = line.split(":").pop();
      }

      line = line.trim();

      if (line[0] === "/") {
        line = line.slice(1);
      }

      return line;
    });
    const ordering = [];

    for (const file of orderingFiles) {
      const pathComponents = file.split(path.sep);

      for (const pathComponent of pathComponents) {
        ordering.push(path.join(src, pathComponent));
      }
    }

    const sortedFiles = [];
    let missing = 0;
    const total = filenames.length;

    for (const file of ordering) {
      if (!sortedFiles.includes(file) && filenames.includes(file)) {
        sortedFiles.push(file);
      }
    }

    for (const file of filenames) {
      if (!sortedFiles.includes(file)) {
        sortedFiles.push(file);
        missing += 1;
      }
    }

    _builderUtil().log.info({
      coverage: (total - missing) / total * 100
    }, "ordering files in ASAR archive");

    return sortedFiles;
  });

  return function order(_x3, _x4, _x5) {
    return _ref2.apply(this, arguments);
  };
})();

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

const pickle = require("chromium-pickle-js");
/** @internal */


class AsarPackager {
  constructor(src, destination, options, unpackPattern) {
    this.src = src;
    this.destination = destination;
    this.options = options;
    this.unpackPattern = unpackPattern;
    this.fs = new (_asar().AsarFilesystem)(this.src);
    this.outFile = path.join(destination, "app.asar");
    this.unpackedDest = `${this.outFile}.unpacked`;
  } // sort files to minimize file change (i.e. asar file is not changed dramatically on small change)


  pack(fileSets, packager) {
    var _this = this;

    return (0, _bluebirdLst().coroutine)(function* () {
      if (_this.options.ordering != null) {
        // ordering doesn't support transformed files, but ordering is not used functionality - wait user report to fix it
        yield order(fileSets[0].files, _this.options.ordering, fileSets[0].src);
      }

      yield (0, _fsExtraP().ensureDir)(path.dirname(_this.outFile));
      const unpackedFileIndexMap = new Map();

      for (const fileSet of fileSets) {
        unpackedFileIndexMap.set(fileSet, (yield _this.createPackageFromFiles(fileSet, packager.info)));
      }

      yield _this.writeAsarFile(fileSets, unpackedFileIndexMap);
    })();
  }

  createPackageFromFiles(fileSet, packager) {
    var _this2 = this;

    return (0, _bluebirdLst().coroutine)(function* () {
      const metadata = fileSet.metadata; // search auto unpacked dir

      const unpackedDirs = new Set();
      const rootForAppFilesWithoutAsar = path.join(_this2.destination, "app");

      if (_this2.options.smartUnpack !== false) {
        yield (0, _unpackDetector().detectUnpackedDirs)(fileSet, unpackedDirs, _this2.unpackedDest, rootForAppFilesWithoutAsar);
      }

      const dirToCreateForUnpackedFiles = new Set(unpackedDirs);

      const correctDirNodeUnpackedFlag = (() => {
        var _ref = (0, _bluebirdLst().coroutine)(function* (filePathInArchive, dirNode) {
          for (const dir of unpackedDirs) {
            if (filePathInArchive.length > dir.length + 2 && filePathInArchive[dir.length] === path.sep && filePathInArchive.startsWith(dir)) {
              dirNode.unpacked = true;
              unpackedDirs.add(filePathInArchive); // not all dirs marked as unpacked after first iteration - because node module dir can be marked as unpacked after processing node module dir content
              // e.g. node-notifier/example/advanced.js processed, but only on process vendor/terminal-notifier.app module will be marked as unpacked

              yield (0, _fsExtraP().ensureDir)(path.join(_this2.unpackedDest, filePathInArchive));
              break;
            }
          }
        });

        return function correctDirNodeUnpackedFlag(_x, _x2) {
          return _ref.apply(this, arguments);
        };
      })();

      const transformedFiles = fileSet.transformedFiles;
      const taskManager = new (_builderUtil().AsyncTaskManager)(packager.cancellationToken);
      const fileCopier = new (_fs().FileCopier)();
      let currentDirNode = null;
      let currentDirPath = null;
      const unpackedFileIndexSet = new Set();

      for (let i = 0, n = fileSet.files.length; i < n; i++) {
        const file = fileSet.files[i];
        const stat = metadata.get(file);

        if (stat == null) {
          continue;
        }

        const pathInArchive = path.relative(rootForAppFilesWithoutAsar, (0, _appFileCopier().getDestinationPath)(file, fileSet));

        if (stat.isSymbolicLink()) {
          const s = stat;
          _this2.fs.getOrCreateNode(pathInArchive).link = s.relativeLink;
          s.pathInArchive = pathInArchive;
          unpackedFileIndexSet.add(i);
          continue;
        }

        let fileParent = path.dirname(pathInArchive);

        if (fileParent === ".") {
          fileParent = "";
        }

        if (currentDirPath !== fileParent) {
          if (fileParent.startsWith("..")) {
            throw new Error(`Internal error: path must not start with "..": ${fileParent}`);
          }

          currentDirPath = fileParent;
          currentDirNode = _this2.fs.getOrCreateNode(fileParent); // do not check for root

          if (fileParent !== "" && !currentDirNode.unpacked) {
            if (unpackedDirs.has(fileParent)) {
              currentDirNode.unpacked = true;
            } else {
              yield correctDirNodeUnpackedFlag(fileParent, currentDirNode);
            }
          }
        }

        const dirNode = currentDirNode;
        const newData = transformedFiles == null ? null : transformedFiles.get(i);

        const isUnpacked = dirNode.unpacked || _this2.unpackPattern != null && _this2.unpackPattern(file, stat);

        _this2.fs.addFileNode(file, dirNode, newData == null ? stat.size : Buffer.byteLength(newData), isUnpacked, stat);

        if (isUnpacked) {
          if (!dirNode.unpacked && !dirToCreateForUnpackedFiles.has(fileParent)) {
            dirToCreateForUnpackedFiles.add(fileParent);
            yield (0, _fsExtraP().ensureDir)(path.join(_this2.unpackedDest, fileParent));
          }

          const unpackedFile = path.join(_this2.unpackedDest, pathInArchive);
          taskManager.addTask(copyFileOrData(fileCopier, newData, file, unpackedFile, stat));

          if (taskManager.tasks.length > _fs().MAX_FILE_REQUESTS) {
            yield taskManager.awaitTasks();
          }

          unpackedFileIndexSet.add(i);
        }
      }

      if (taskManager.tasks.length > 0) {
        yield taskManager.awaitTasks();
      }

      return unpackedFileIndexSet;
    })();
  }

  writeAsarFile(fileSets, unpackedFileIndexMap) {
    return new Promise((resolve, reject) => {
      const headerPickle = pickle.createEmpty();
      headerPickle.writeString(JSON.stringify(this.fs.header));
      const headerBuf = headerPickle.toBuffer();
      const sizePickle = pickle.createEmpty();
      sizePickle.writeUInt32(headerBuf.length);
      const sizeBuf = sizePickle.toBuffer();
      const writeStream = (0, _fsExtraP().createWriteStream)(this.outFile);
      writeStream.on("error", reject);
      writeStream.on("close", resolve);
      writeStream.write(sizeBuf);
      let fileSetIndex = 0;
      let files = fileSets[0].files;
      let metadata = fileSets[0].metadata;
      let transformedFiles = fileSets[0].transformedFiles;
      let unpackedFileIndexSet = unpackedFileIndexMap.get(fileSets[0]);

      const w = index => {
        while (true) {
          if (index >= files.length) {
            if (++fileSetIndex >= fileSets.length) {
              writeStream.end();
              return;
            } else {
              files = fileSets[fileSetIndex].files;
              metadata = fileSets[fileSetIndex].metadata;
              transformedFiles = fileSets[fileSetIndex].transformedFiles;
              unpackedFileIndexSet = unpackedFileIndexMap.get(fileSets[fileSetIndex]);
              index = 0;
            }
          }

          if (!unpackedFileIndexSet.has(index)) {
            break;
          } else {
            const stat = metadata.get(files[index]);

            if (stat != null && stat.isSymbolicLink()) {
              (0, _fs2().symlink)(stat.linkRelativeToFile, path.join(this.unpackedDest, stat.pathInArchive), () => w(index + 1));
              return;
            }
          }

          index++;
        }

        const data = transformedFiles == null ? null : transformedFiles.get(index);
        const file = files[index];

        if (data !== null && data !== undefined) {
          writeStream.write(data, () => w(index + 1));
          return;
        } // https://github.com/yarnpkg/yarn/pull/3539


        const stat = metadata.get(file);

        if (stat != null && stat.size < 2 * 1024 * 1024) {
          (0, _fsExtraP().readFile)(file).then(it => {
            writeStream.write(it, () => w(index + 1));
          }).catch(e => reject(`Cannot read file ${file}: ${e.stack || e}`));
        } else {
          const readStream = (0, _fsExtraP().createReadStream)(file);
          readStream.on("error", reject);
          readStream.once("end", () => w(index + 1));
          readStream.pipe(writeStream, {
            end: false
          });
        }
      };

      writeStream.write(headerBuf, () => w(0));
    });
  }

}

exports.AsarPackager = AsarPackager;

function copyFileOrData(fileCopier, data, source, destination, stats) {
  if (data == null) {
    return fileCopier.copy(source, destination, stats);
  } else {
    return (0, _fsExtraP().writeFile)(destination, data);
  }
} 
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