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unpack.js932 linesDownload Raw Back to commonjs
1"use strict";
2// the PEND/UNPEND stuff tracks whether we're ready to emit end/close yet.
3// but the path reservations are required to avoid race conditions where
4// parallelized unpack ops may mess with one another, due to dependencies
5// (like a Link depending on its target) or destructive operations (like
6// clobbering an fs object to create one of a different type.)
7var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
8    if (k2 === undefined) k2 = k;
9    var desc = Object.getOwnPropertyDescriptor(m, k);
10    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
11      desc = { enumerable: true, get: function() { return m[k]; } };
12    }
13    Object.defineProperty(o, k2, desc);
14}) : (function(o, m, k, k2) {
15    if (k2 === undefined) k2 = k;
16    o[k2] = m[k];
17}));
18var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
19    Object.defineProperty(o, "default", { enumerable: true, value: v });
20}) : function(o, v) {
21    o["default"] = v;
22});
23var __importStar = (this && this.__importStar) || (function () {
24    var ownKeys = function(o) {
25        ownKeys = Object.getOwnPropertyNames || function (o) {
26            var ar = [];
27            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
28            return ar;
29        };
30        return ownKeys(o);
31    };
32    return function (mod) {
33        if (mod && mod.__esModule) return mod;
34        var result = {};
35        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
36        __setModuleDefault(result, mod);
37        return result;
38    };
39})();
40var __importDefault = (this && this.__importDefault) || function (mod) {
41    return (mod && mod.__esModule) ? mod : { "default": mod };
42};
43Object.defineProperty(exports, "__esModule", { value: true });
44exports.UnpackSync = exports.Unpack = void 0;
45const fsm = __importStar(require("@isaacs/fs-minipass"));
46const node_assert_1 = __importDefault(require("node:assert"));
47const node_crypto_1 = require("node:crypto");
48const node_fs_1 = __importDefault(require("node:fs"));
49const node_path_1 = __importDefault(require("node:path"));
50const get_write_flag_js_1 = require("./get-write-flag.js");
51const mkdir_js_1 = require("./mkdir.js");
52const normalize_windows_path_js_1 = require("./normalize-windows-path.js");
53const parse_js_1 = require("./parse.js");
54const strip_absolute_path_js_1 = require("./strip-absolute-path.js");
55const wc = __importStar(require("./winchars.js"));
56const path_reservations_js_1 = require("./path-reservations.js");
57const symlink_error_js_1 = require("./symlink-error.js");
58const process_umask_js_1 = require("./process-umask.js");
59const ONENTRY = Symbol('onEntry');
60const CHECKFS = Symbol('checkFs');
61const CHECKFS2 = Symbol('checkFs2');
62const ISREUSABLE = Symbol('isReusable');
63const MAKEFS = Symbol('makeFs');
64const FILE = Symbol('file');
65const DIRECTORY = Symbol('directory');
66const LINK = Symbol('link');
67const SYMLINK = Symbol('symlink');
68const HARDLINK = Symbol('hardlink');
69const ENSURE_NO_SYMLINK = Symbol('ensureNoSymlink');
70const UNSUPPORTED = Symbol('unsupported');
71const CHECKPATH = Symbol('checkPath');
72const STRIPABSOLUTEPATH = Symbol('stripAbsolutePath');
73const MKDIR = Symbol('mkdir');
74const ONERROR = Symbol('onError');
75const PENDING = Symbol('pending');
76const PEND = Symbol('pend');
77const UNPEND = Symbol('unpend');
78const ENDED = Symbol('ended');
79const MAYBECLOSE = Symbol('maybeClose');
80const SKIP = Symbol('skip');
81const DOCHOWN = Symbol('doChown');
82const UID = Symbol('uid');
83const GID = Symbol('gid');
84const CHECKED_CWD = Symbol('checkedCwd');
85const platform = process.env.TESTING_TAR_FAKE_PLATFORM || process.platform;
86const isWindows = platform === 'win32';
87const DEFAULT_MAX_DEPTH = 1024;
88// Unlinks on Windows are not atomic.
89//
90// This means that if you have a file entry, followed by another
91// file entry with an identical name, and you cannot re-use the file
92// (because it's a hardlink, or because unlink:true is set, or it's
93// Windows, which does not have useful nlink values), then the unlink
94// will be committed to the disk AFTER the new file has been written
95// over the old one, deleting the new file.
96//
97// To work around this, on Windows systems, we rename the file and then
98// delete the renamed file.  It's a sloppy kludge, but frankly, I do not
99// know of a better way to do this, given windows' non-atomic unlink
100// semantics.
101//
102// See: https://github.com/npm/node-tar/issues/183
103/* c8 ignore start */
104const unlinkFile = (path, cb) => {
105    if (!isWindows) {
106        return node_fs_1.default.unlink(path, cb);
107    }
108    const name = path + '.DELETE.' + (0, node_crypto_1.randomBytes)(16).toString('hex');
109    node_fs_1.default.rename(path, name, er => {
110        if (er) {
111            return cb(er);
112        }
113        node_fs_1.default.unlink(name, cb);
114    });
115};
116/* c8 ignore stop */
117/* c8 ignore start */
118const unlinkFileSync = (path) => {
119    if (!isWindows) {
120        return node_fs_1.default.unlinkSync(path);
121    }
122    const name = path + '.DELETE.' + (0, node_crypto_1.randomBytes)(16).toString('hex');
123    node_fs_1.default.renameSync(path, name);
124    node_fs_1.default.unlinkSync(name);
125};
126/* c8 ignore stop */
127// this.gid, entry.gid, this.processUid
128const uint32 = (a, b, c) => a !== undefined && a === a >>> 0 ? a
129    : b !== undefined && b === b >>> 0 ? b
130        : c;
131class Unpack extends parse_js_1.Parser {
132    [ENDED] = false;
133    [CHECKED_CWD] = false;
134    [PENDING] = 0;
135    reservations = new path_reservations_js_1.PathReservations();
136    transform;
137    writable = true;
138    readable = false;
139    uid;
140    gid;
141    setOwner;
142    preserveOwner;
143    processGid;
144    processUid;
145    maxDepth;
146    forceChown;
147    win32;
148    newer;
149    keep;
150    noMtime;
151    preservePaths;
152    unlink;
153    cwd;
154    strip;
155    processUmask;
156    umask;
157    dmode;
158    fmode;
159    chmod;
160    constructor(opt = {}) {
161        opt.ondone = () => {
162            this[ENDED] = true;
163            this[MAYBECLOSE]();
164        };
165        super(opt);
166        this.transform = opt.transform;
167        this.chmod = !!opt.chmod;
168        if (typeof opt.uid === 'number' || typeof opt.gid === 'number') {
169            // need both or neither
170            if (typeof opt.uid !== 'number' || typeof opt.gid !== 'number') {
171                throw new TypeError('cannot set owner without number uid and gid');
172            }
173            if (opt.preserveOwner) {
174                throw new TypeError('cannot preserve owner in archive and also set owner explicitly');
175            }
176            this.uid = opt.uid;
177            this.gid = opt.gid;
178            this.setOwner = true;
179        }
180        else {
181            this.uid = undefined;
182            this.gid = undefined;
183            this.setOwner = false;
184        }
185        // default true for root
186        this.preserveOwner =
187            opt.preserveOwner === undefined && typeof opt.uid !== 'number' ?
188                !!(process.getuid && process.getuid() === 0)
189                : !!opt.preserveOwner;
190        this.processUid =
191            (this.preserveOwner || this.setOwner) && process.getuid ?
192                process.getuid()
193                : undefined;
194        this.processGid =
195            (this.preserveOwner || this.setOwner) && process.getgid ?
196                process.getgid()
197                : undefined;
198        // prevent excessively deep nesting of subfolders
199        // set to `Infinity` to remove this restriction
200        this.maxDepth =
201            typeof opt.maxDepth === 'number' ? opt.maxDepth : DEFAULT_MAX_DEPTH;
202        // mostly just for testing, but useful in some cases.
203        // Forcibly trigger a chown on every entry, no matter what
204        this.forceChown = opt.forceChown === true;
205        // turn ><?| in filenames into 0xf000-higher encoded forms
206        this.win32 = !!opt.win32 || isWindows;
207        // do not unpack over files that are newer than what's in the archive
208        this.newer = !!opt.newer;
209        // do not unpack over ANY files
210        this.keep = !!opt.keep;
211        // do not set mtime/atime of extracted entries
212        this.noMtime = !!opt.noMtime;
213        // allow .., absolute path entries, and unpacking through symlinks
214        // without this, warn and skip .., relativize absolutes, and error
215        // on symlinks in extraction path
216        this.preservePaths = !!opt.preservePaths;
217        // unlink files and links before writing. This breaks existing hard
218        // links, and removes symlink directories rather than erroring
219        this.unlink = !!opt.unlink;
220        this.cwd = (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.resolve(opt.cwd || process.cwd()));
221        this.strip = Number(opt.strip) || 0;
222        // if we're not chmodding, then we don't need the process umask
223        this.processUmask =
224            !this.chmod ? 0
225                : typeof opt.processUmask === 'number' ? opt.processUmask
226                    : (0, process_umask_js_1.umask)();
227        this.umask =
228            typeof opt.umask === 'number' ? opt.umask : this.processUmask;
229        // default mode for dirs created as parents
230        this.dmode = opt.dmode || 0o0777 & ~this.umask;
231        this.fmode = opt.fmode || 0o0666 & ~this.umask;
232        this.on('entry', entry => this[ONENTRY](entry));
233    }
234    // a bad or damaged archive is a warning for Parser, but an error
235    // when extracting.  Mark those errors as unrecoverable, because
236    // the Unpack contract cannot be met.
237    warn(code, msg, data = {}) {
238        if (code === 'TAR_BAD_ARCHIVE' || code === 'TAR_ABORT') {
239            data.recoverable = false;
240        }
241        return super.warn(code, msg, data);
242    }
243    [MAYBECLOSE]() {
244        if (this[ENDED] && this[PENDING] === 0) {
245            this.emit('prefinish');
246            this.emit('finish');
247            this.emit('end');
248        }
249    }
250    // return false if we need to skip this file
251    // return true if the field was successfully sanitized
252    [STRIPABSOLUTEPATH](entry, field) {
253        const p = entry[field];
254        const { type } = entry;
255        if (!p || this.preservePaths)
256            return true;
257        // strip off the root
258        const [root, stripped] = (0, strip_absolute_path_js_1.stripAbsolutePath)(p);
259        const parts = stripped.replaceAll(/\\/g, '/').split('/');
260        if (parts.includes('..') ||
261            /* c8 ignore next */
262            (isWindows && /^[a-z]:\.\.$/i.test(parts[0] ?? ''))) {
263            // For linkpath, check if the resolved path escapes cwd rather than
264            // just rejecting any path with '..' - relative symlinks like
265            // '../sibling/file' are valid if they resolve within the cwd.
266            // For paths, they just simply may not ever use .. at all.
267            if (field === 'path' || type === 'Link') {
268                this.warn('TAR_ENTRY_ERROR', `${field} contains '..'`, {
269                    entry,
270                    [field]: p,
271                });
272                // not ok!
273                return false;
274            }
275            // Resolve linkpath relative to the entry's directory.
276            // `path.posix` is safe to use because we're operating on
277            // tar paths, not a filesystem.
278            const entryDir = node_path_1.default.posix.dirname(entry.path);
279            const resolved = node_path_1.default.posix.normalize(node_path_1.default.posix.join(entryDir, parts.join('/')));
280            // If the resolved path escapes (starts with ..), reject it
281            if (resolved.startsWith('../') || resolved === '..') {
282                this.warn('TAR_ENTRY_ERROR', `${field} escapes extraction directory`, {
283                    entry,
284                    [field]: p,
285                });
286                return false;
287            }
288        }
289        if (root) {
290            // ok, but triggers warning about stripping root
291            entry[field] = String(stripped);
292            this.warn('TAR_ENTRY_INFO', `stripping ${root} from absolute ${field}`, {
293                entry,
294                [field]: p,
295            });
296        }
297        return true;
298    }
299    // no IO, just string checking for absolute indicators
300    [CHECKPATH](entry) {
301        const p = (0, normalize_windows_path_js_1.normalizeWindowsPath)(entry.path);
302        const parts = p.split('/');
303        if (this.strip) {
304            if (parts.length < this.strip) {
305                return false;
306            }
307            if (entry.type === 'Link') {
308                const linkparts = (0, normalize_windows_path_js_1.normalizeWindowsPath)(String(entry.linkpath)).split('/');
309                if (linkparts.length >= this.strip) {
310                    entry.linkpath = linkparts.slice(this.strip).join('/');
311                }
312                else {
313                    return false;
314                }
315            }
316            parts.splice(0, this.strip);
317            entry.path = parts.join('/');
318        }
319        if (isFinite(this.maxDepth) && parts.length > this.maxDepth) {
320            this.warn('TAR_ENTRY_ERROR', 'path excessively deep', {
321                entry,
322                path: p,
323                depth: parts.length,
324                maxDepth: this.maxDepth,
325            });
326            return false;
327        }
328        if (!this[STRIPABSOLUTEPATH](entry, 'path') ||
329            !this[STRIPABSOLUTEPATH](entry, 'linkpath')) {
330            return false;
331        }
332        entry.absolute =
333            node_path_1.default.isAbsolute(entry.path) ?
334                (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.resolve(entry.path))
335                : (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.resolve(this.cwd, entry.path));
336        // if we somehow ended up with a path that escapes the cwd, and we are
337        // not in preservePaths mode, then something is fishy!  This should have
338        // been prevented above, so ignore this for coverage.
339        /* c8 ignore start - defense in depth */
340        if (!this.preservePaths &&
341            typeof entry.absolute === 'string' &&
342            entry.absolute.indexOf(this.cwd + '/') !== 0 &&
343            entry.absolute !== this.cwd) {
344            this.warn('TAR_ENTRY_ERROR', 'path escaped extraction target', {
345                entry,
346                path: (0, normalize_windows_path_js_1.normalizeWindowsPath)(entry.path),
347                resolvedPath: entry.absolute,
348                cwd: this.cwd,
349            });
350            return false;
351        }
352        /* c8 ignore stop */
353        // an archive can set properties on the extraction directory, but it
354        // may not replace the cwd with a different kind of thing entirely.
355        if (entry.absolute === this.cwd &&
356            entry.type !== 'Directory' &&
357            entry.type !== 'GNUDumpDir') {
358            return false;
359        }
360        // only encode : chars that aren't drive letter indicators
361        if (this.win32) {
362            const { root: aRoot } = node_path_1.default.win32.parse(String(entry.absolute));
363            entry.absolute =
364                aRoot + wc.encode(String(entry.absolute).slice(aRoot.length));
365            const { root: pRoot } = node_path_1.default.win32.parse(entry.path);
366            entry.path = pRoot + wc.encode(entry.path.slice(pRoot.length));
367        }
368        return true;
369    }
370    [ONENTRY](entry) {
371        if (!this[CHECKPATH](entry)) {
372            return entry.resume();
373        }
374        node_assert_1.default.equal(typeof entry.absolute, 'string');
375        switch (entry.type) {
376            case 'Directory':
377            case 'GNUDumpDir':
378                if (entry.mode) {
379                    entry.mode = entry.mode | 0o700;
380                }
381            // eslint-disable-next-line no-fallthrough
382            case 'File':
383            case 'OldFile':
384            case 'ContiguousFile':
385            case 'Link':
386            case 'SymbolicLink':
387                return this[CHECKFS](entry);
388            case 'CharacterDevice':
389            case 'BlockDevice':
390            case 'FIFO':
391            default:
392                return this[UNSUPPORTED](entry);
393        }
394    }
395    [ONERROR](er, entry) {
396        // Cwd has to exist, or else nothing works. That's serious.
397        // Other errors are warnings, which raise the error in strict
398        // mode, but otherwise continue on.
399        if (er.name === 'CwdError') {
400            this.emit('error', er);
401        }
402        else {
403            this.warn('TAR_ENTRY_ERROR', er, { entry });
404            this[UNPEND]();
405            entry.resume();
406        }
407    }
408    [MKDIR](dir, mode, cb) {
409        (0, mkdir_js_1.mkdir)((0, normalize_windows_path_js_1.normalizeWindowsPath)(dir), {
410            uid: this.uid,
411            gid: this.gid,
412            processUid: this.processUid,
413            processGid: this.processGid,
414            umask: this.processUmask,
415            preserve: this.preservePaths,
416            unlink: this.unlink,
417            cwd: this.cwd,
418            mode: mode,
419        }, cb);
420    }
421    [DOCHOWN](entry) {
422        // in preserve owner mode, chown if the entry doesn't match process
423        // in set owner mode, chown if setting doesn't match process
424        return (this.forceChown ||
425            (this.preserveOwner &&
426                ((typeof entry.uid === 'number' &&
427                    entry.uid !== this.processUid) ||
428                    (typeof entry.gid === 'number' &&
429                        entry.gid !== this.processGid))) ||
430            (typeof this.uid === 'number' && this.uid !== this.processUid) ||
431            (typeof this.gid === 'number' && this.gid !== this.processGid));
432    }
433    [UID](entry) {
434        return uint32(this.uid, entry.uid, this.processUid);
435    }
436    [GID](entry) {
437        return uint32(this.gid, entry.gid, this.processGid);
438    }
439    [FILE](entry, fullyDone) {
440        const mode = typeof entry.mode === 'number' ? entry.mode & 0o7777 : this.fmode;
441        const stream = new fsm.WriteStream(String(entry.absolute), {
442            // slight lie, but it can be numeric flags
443            flags: (0, get_write_flag_js_1.getWriteFlag)(entry.size),
444            mode: mode,
445            autoClose: false,
446        });
447        stream.on('error', (er) => {
448            if (stream.fd) {
449                node_fs_1.default.close(stream.fd, () => { });
450            }
451            // flush all the data out so that we aren't left hanging
452            // if the error wasn't actually fatal.  otherwise the parse
453            // is blocked, and we never proceed.
454            stream.write = () => true;
455            this[ONERROR](er, entry);
456            fullyDone();
457        });
458        let actions = 1;
459        const done = (er) => {
460            if (er) {
461                /* c8 ignore start - we should always have a fd by now */
462                if (stream.fd) {
463                    node_fs_1.default.close(stream.fd, () => { });
464                }
465                /* c8 ignore stop */
466                this[ONERROR](er, entry);
467                fullyDone();
468                return;
469            }
470            if (--actions === 0) {
471                if (stream.fd !== undefined) {
472                    node_fs_1.default.close(stream.fd, er => {
473                        if (er) {
474                            this[ONERROR](er, entry);
475                        }
476                        else {
477                            this[UNPEND]();
478                        }
479                        fullyDone();
480                    });
481                }
482            }
483        };
484        stream.on('finish', () => {
485            // if futimes fails, try utimes
486            // if utimes fails, fail with the original error
487            // same for fchown/chown
488            const abs = String(entry.absolute);
489            const fd = stream.fd;
490            if (typeof fd === 'number' && entry.mtime && !this.noMtime) {
491                actions++;
492                const atime = entry.atime || new Date();
493                const mtime = entry.mtime;
494                node_fs_1.default.futimes(fd, atime, mtime, er => er ?
495                    node_fs_1.default.utimes(abs, atime, mtime, er2 => done(er2 && er))
496                    : done());
497            }
498            if (typeof fd === 'number' && this[DOCHOWN](entry)) {
499                actions++;
500                const uid = this[UID](entry);
501                const gid = this[GID](entry);
502                if (typeof uid === 'number' && typeof gid === 'number') {
503                    node_fs_1.default.fchown(fd, uid, gid, er => er ? node_fs_1.default.chown(abs, uid, gid, er2 => done(er2 && er)) : done());
504                }
505            }
506            done();
507        });
508        const tx = this.transform ? this.transform(entry) || entry : entry;
509        if (tx !== entry) {
510            tx.on('error', er => {
511                this[ONERROR](er, entry);
512                fullyDone();
513            });
514            entry.pipe(tx);
515        }
516        tx.pipe(stream);
517    }
518    [DIRECTORY](entry, fullyDone) {
519        const mode = typeof entry.mode === 'number' ? entry.mode & 0o7777 : this.dmode;
520        this[MKDIR](String(entry.absolute), mode, er => {
521            if (er) {
522                this[ONERROR](er, entry);
523                fullyDone();
524                return;
525            }
526            let actions = 1;
527            const done = () => {
528                if (--actions === 0) {
529                    fullyDone();
530                    this[UNPEND]();
531                    entry.resume();
532                }
533            };
534            if (entry.mtime && !this.noMtime) {
535                actions++;
536                node_fs_1.default.utimes(String(entry.absolute), entry.atime || new Date(), entry.mtime, done);
537            }
538            if (this[DOCHOWN](entry)) {
539                actions++;
540                node_fs_1.default.chown(String(entry.absolute), Number(this[UID](entry)), Number(this[GID](entry)), done);
541            }
542            done();
543        });
544    }
545    [UNSUPPORTED](entry) {
546        entry.unsupported = true;
547        this.warn('TAR_ENTRY_UNSUPPORTED', `unsupported entry type: ${entry.type}`, { entry });
548        entry.resume();
549    }
550    [SYMLINK](entry, done) {
551        const parts = (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.relative(this.cwd, node_path_1.default.resolve(node_path_1.default.dirname(String(entry.absolute)), String(entry.linkpath)))).split('/');
552        this[ENSURE_NO_SYMLINK](entry, this.cwd, parts, () => this[LINK](entry, String(entry.linkpath), 'symlink', done), er => {
553            this[ONERROR](er, entry);
554            done();
555        });
556    }
557    [HARDLINK](entry, done) {
558        const linkpath = (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.resolve(this.cwd, String(entry.linkpath)));
559        const parts = (0, normalize_windows_path_js_1.normalizeWindowsPath)(String(entry.linkpath)).split('/');
560        this[ENSURE_NO_SYMLINK](entry, this.cwd, parts, () => this[LINK](entry, linkpath, 'link', done), er => {
561            this[ONERROR](er, entry);
562            done();
563        });
564    }
565    [ENSURE_NO_SYMLINK](entry, cwd, parts, done, onError) {
566        const p = parts.shift();
567        if (this.preservePaths || p === undefined)
568            return done();
569        const t = node_path_1.default.resolve(cwd, p);
570        node_fs_1.default.lstat(t, (er, st) => {
571            if (er)
572                return done();
573            if (st?.isSymbolicLink()) {
574                return onError(new symlink_error_js_1.SymlinkError(t, node_path_1.default.resolve(t, parts.join('/'))));
575            }
576            this[ENSURE_NO_SYMLINK](entry, t, parts, done, onError);
577        });
578    }
579    [PEND]() {
580        this[PENDING]++;
581    }
582    [UNPEND]() {
583        this[PENDING]--;
584        this[MAYBECLOSE]();
585    }
586    [SKIP](entry) {
587        this[UNPEND]();
588        entry.resume();
589    }
590    // Check if we can reuse an existing filesystem entry safely and
591    // overwrite it, rather than unlinking and recreating
592    // Windows doesn't report a useful nlink, so we just never reuse entries
593    [ISREUSABLE](entry, st) {
594        return (entry.type === 'File' &&
595            !this.unlink &&
596            st.isFile() &&
597            st.nlink <= 1 &&
598            !isWindows);
599    }
600    // check if a thing is there, and if so, try to clobber it
601    [CHECKFS](entry) {
602        this[PEND]();
603        const paths = [entry.path];
604        if (entry.linkpath) {
605            paths.push(entry.linkpath);
606        }
607        this.reservations.reserve(paths, done => this[CHECKFS2](entry, done));
608    }
609    [CHECKFS2](entry, fullyDone) {
610        const done = (er) => {
611            fullyDone(er);
612        };
613        const checkCwd = () => {
614            this[MKDIR](this.cwd, this.dmode, er => {
615                if (er) {
616                    this[ONERROR](er, entry);
617                    done();
618                    return;
619                }
620                this[CHECKED_CWD] = true;
621                start();
622            });
623        };
624        const start = () => {
625            if (entry.absolute !== this.cwd) {
626                const parent = (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.dirname(String(entry.absolute)));
627                if (parent !== this.cwd) {
628                    return this[MKDIR](parent, this.dmode, er => {
629                        if (er) {
630                            this[ONERROR](er, entry);
631                            done();
632                            return;
633                        }
634                        afterMakeParent();
635                    });
636                }
637            }
638            afterMakeParent();
639        };
640        const afterMakeParent = () => {
641            node_fs_1.default.lstat(String(entry.absolute), (lstatEr, st) => {
642                if (st &&
643                    (this.keep ||
644                        /* c8 ignore next */
645                        (this.newer && st.mtime > (entry.mtime ?? st.mtime)))) {
646                    this[SKIP](entry);
647                    done();
648                    return;
649                }
650                if (lstatEr || this[ISREUSABLE](entry, st)) {
651                    return this[MAKEFS](null, entry, done);
652                }
653                if (st.isDirectory()) {
654                    if (entry.type === 'Directory') {
655                        const needChmod = this.chmod && entry.mode && (st.mode & 0o7777) !== entry.mode;
656                        const afterChmod = (er) => this[MAKEFS](er ?? null, entry, done);
657                        if (!needChmod) {
658                            return afterChmod();
659                        }
660                        return node_fs_1.default.chmod(String(entry.absolute), Number(entry.mode), afterChmod);
661                    }
662                    // Not a dir entry, have to remove it.
663                    // NB: the only way to end up with an entry that is the cwd
664                    // itself, in such a way that == does not detect, is a
665                    // tricky windows absolute path with UNC or 8.3 parts (and
666                    // preservePaths:true, or else it will have been stripped).
667                    // In that case, the user has opted out of path protections
668                    // explicitly, so if they blow away the cwd, c'est la vie.
669                    if (entry.absolute !== this.cwd) {
670                        return node_fs_1.default.rmdir(String(entry.absolute), (er) => this[MAKEFS](er ?? null, entry, done));
671                    }
672                }
673                // not a dir, and not reusable
674                // don't remove if the cwd, we want that error
675                if (entry.absolute === this.cwd) {
676                    return this[MAKEFS](null, entry, done);
677                }
678                unlinkFile(String(entry.absolute), er => this[MAKEFS](er ?? null, entry, done));
679            });
680        };
681        if (this[CHECKED_CWD]) {
682            start();
683        }
684        else {
685            checkCwd();
686        }
687    }
688    [MAKEFS](er, entry, done) {
689        if (er) {
690            this[ONERROR](er, entry);
691            done();
692            return;
693        }
694        switch (entry.type) {
695            case 'File':
696            case 'OldFile':
697            case 'ContiguousFile':
698                return this[FILE](entry, done);
699            case 'Link':
700                return this[HARDLINK](entry, done);
701            case 'SymbolicLink':
702                return this[SYMLINK](entry, done);
703            case 'Directory':
704            case 'GNUDumpDir':
705                return this[DIRECTORY](entry, done);
706        }
707    }
708    [LINK](entry, linkpath, link, done) {
709        node_fs_1.default[link](linkpath, String(entry.absolute), er => {
710            if (er) {
711                this[ONERROR](er, entry);
712            }
713            else {
714                this[UNPEND]();
715                entry.resume();
716            }
717            done();
718        });
719    }
720}
721exports.Unpack = Unpack;
722const callSync = (fn) => {
723    try {
724        return [null, fn()];
725    }
726    catch (er) {
727        return [er, null];
728    }
729};
730class UnpackSync extends Unpack {
731    sync = true;
732    [MAKEFS](er, entry) {
733        return super[MAKEFS](er, entry, () => { });
734    }
735    [CHECKFS](entry) {
736        if (!this[CHECKED_CWD]) {
737            const er = this[MKDIR](this.cwd, this.dmode);
738            if (er) {
739                return this[ONERROR](er, entry);
740            }
741            this[CHECKED_CWD] = true;
742        }
743        // don't bother to make the parent if the current entry is the cwd,
744        // we've already checked it.
745        if (entry.absolute !== this.cwd) {
746            const parent = (0, normalize_windows_path_js_1.normalizeWindowsPath)(node_path_1.default.dirname(String(entry.absolute)));
747            if (parent !== this.cwd) {
748                const mkParent = this[MKDIR](parent, this.dmode);
749                if (mkParent) {
750                    return this[ONERROR](mkParent, entry);
751                }
752            }
753        }
754        const [lstatEr, st] = callSync(() => node_fs_1.default.lstatSync(String(entry.absolute)));
755        if (st &&
756            (this.keep ||
757                /* c8 ignore next */
758                (this.newer && st.mtime > (entry.mtime ?? st.mtime)))) {
759            return this[SKIP](entry);
760        }
761        if (lstatEr || this[ISREUSABLE](entry, st)) {
762            return this[MAKEFS](null, entry);
763        }
764        if (st.isDirectory()) {
765            if (entry.type === 'Directory') {
766                const needChmod = this.chmod && entry.mode && (st.mode & 0o7777) !== entry.mode;
767                const [er] = needChmod ?
768                    callSync(() => {
769                        node_fs_1.default.chmodSync(String(entry.absolute), Number(entry.mode));
770                    })
771                    : [];
772                return this[MAKEFS](er, entry);
773            }
774            // not a dir entry, have to remove it
775            const [er] = callSync(() => node_fs_1.default.rmdirSync(String(entry.absolute)));
776            this[MAKEFS](er, entry);
777        }
778        // not a dir, and not reusable.
779        // don't remove if it's the cwd, since we want that error.
780        const [er] = entry.absolute === this.cwd ?
781            []
782            : callSync(() => unlinkFileSync(String(entry.absolute)));
783        this[MAKEFS](er, entry);
784    }
785    [FILE](entry, done) {
786        const mode = typeof entry.mode === 'number' ? entry.mode & 0o7777 : this.fmode;
787        const oner = (er) => {
788            let closeError;
789            try {
790                node_fs_1.default.closeSync(fd);
791            }
792            catch (e) {
793                closeError = e;
794            }
795            if (er || closeError) {
796                this[ONERROR](er || closeError, entry);
797            }
798            done();
799        };
800        let fd;
801        try {
802            fd = node_fs_1.default.openSync(String(entry.absolute), (0, get_write_flag_js_1.getWriteFlag)(entry.size), mode);
803            /* c8 ignore start - This is only a problem if the file was successfully
804             * statted, BUT failed to open. Testing this is annoying, and we
805             * already have ample testint for other uses of oner() methods.
806             */
807        }
808        catch (er) {
809            return oner(er);
810        }
811        /* c8 ignore stop */
812        const tx = this.transform ? this.transform(entry) || entry : entry;
813        if (tx !== entry) {
814            tx.on('error', er => this[ONERROR](er, entry));
815            entry.pipe(tx);
816        }
817        tx.on('data', (chunk) => {
818            try {
819                node_fs_1.default.writeSync(fd, chunk, 0, chunk.length);
820            }
821            catch (er) {
822                oner(er);
823            }
824        });
825        tx.on('end', () => {
826            let er = null;
827            // try both, falling futimes back to utimes
828            // if either fails, handle the first error
829            if (entry.mtime && !this.noMtime) {
830                const atime = entry.atime || new Date();
831                const mtime = entry.mtime;
832                try {
833                    node_fs_1.default.futimesSync(fd, atime, mtime);
834                }
835                catch (futimeser) {
836                    try {
837                        node_fs_1.default.utimesSync(String(entry.absolute), atime, mtime);
838                    }
839                    catch {
840                        er = futimeser;
841                    }
842                }
843            }
844            if (this[DOCHOWN](entry)) {
845                const uid = this[UID](entry);
846                const gid = this[GID](entry);
847                try {
848                    node_fs_1.default.fchownSync(fd, Number(uid), Number(gid));
849                }
850                catch (fchowner) {
851                    try {
852                        node_fs_1.default.chownSync(String(entry.absolute), Number(uid), Number(gid));
853                    }
854                    catch {
855                        er = er || fchowner;
856                    }
857                }
858            }
859            oner(er);
860        });
861    }
862    [DIRECTORY](entry, done) {
863        const mode = typeof entry.mode === 'number' ? entry.mode & 0o7777 : this.dmode;
864        const er = this[MKDIR](String(entry.absolute), mode);
865        if (er) {
866            this[ONERROR](er, entry);
867            done();
868            return;
869        }
870        if (entry.mtime && !this.noMtime) {
871            try {
872                node_fs_1.default.utimesSync(String(entry.absolute), entry.atime || new Date(), entry.mtime);
873                /* c8 ignore next */
874            }
875            catch { }
876        }
877        if (this[DOCHOWN](entry)) {
878            try {
879                node_fs_1.default.chownSync(String(entry.absolute), Number(this[UID](entry)), Number(this[GID](entry)));
880            }
881            catch { }
882        }
883        done();
884        entry.resume();
885    }
886    [MKDIR](dir, mode) {
887        try {
888            return (0, mkdir_js_1.mkdirSync)((0, normalize_windows_path_js_1.normalizeWindowsPath)(dir), {
889                uid: this.uid,
890                gid: this.gid,
891                processUid: this.processUid,
892                processGid: this.processGid,
893                umask: this.processUmask,
894                preserve: this.preservePaths,
895                unlink: this.unlink,
896                cwd: this.cwd,
897                mode: mode,
898            });
899        }
900        catch (er) {
901            return er;
902        }
903    }
904    [ENSURE_NO_SYMLINK](_entry, cwd, parts, done, onError) {
905        if (this.preservePaths || parts.length === 0)
906            return done();
907        let t = cwd;
908        for (const p of parts) {
909            t = node_path_1.default.resolve(t, p);
910            const [er, st] = callSync(() => node_fs_1.default.lstatSync(t));
911            if (er)
912                return done();
913            if (st.isSymbolicLink()) {
914                return onError(new symlink_error_js_1.SymlinkError(t, node_path_1.default.resolve(cwd, parts.join('/'))));
915            }
916        }
917        done();
918    }
919    [LINK](entry, linkpath, link, done) {
920        const linkSync = `${link}Sync`;
921        try {
922            node_fs_1.default[linkSync](linkpath, String(entry.absolute));
923            done();
924            entry.resume();
925        }
926        catch (er) {
927            return this[ONERROR](er, entry);
928        }
929    }
930}
931exports.UnpackSync = UnpackSync;
932//# sourceMappingURL=unpack.js.map
codekingpro/portable-devtools · Team Ai