1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6570x 6570x 6570x 1x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6569x 6515x 6569x 4x 4x 2x 6567x 6567x 2x 2x 6567x 6567x 1x 6567x 6513x 54x 34x 34x 1x 33x 6566x 6566x 6566x 902x 6566x 6566x 6566x 6566x 5664x 867x 34x 1x 6563x 4x 6563x 6563x 17x 6563x 867x 859x 867x 867x 867x 32x 32x 1x 31x 32x 32x 32x 1x 1x 1x 1x 1x 5664x 7x 7x 2x 2x 1x 6x 5663x 5663x 42x 5621x 5568x 5568x 2x 5566x 5617x 5617x 5617x 5617x 7336x 7336x 1x 7335x 5566x 7393x 2x 2x 2x 2x 2x 7392x 5614x 1700449x 1700449x 1700449x 7392x 7392x 7392x 7392x 7392x 7392x 7392x 5614x 2x 5614x 5614x 5614x 1778x 1754x 1754x 1778x 1778x 99x 20x 2x 53x 59x 59x 59x 58x 57x 59x 2x 51x 6x 33x 33x 33x 33x 33x 33x 33x 33x 33x 33x 33x 33x 33x 26x 33x 33x 33x 33x 33x 33x 33x 33x 33x 33x 27x 33x 2x 2x 1x 32x 32x 32x 32x 14x 32x 32x 52x 52x 1x 51x 51x 29x 22x 29x 6x 6x 6x 6566x 6x | 'use strict' const MiniPass = require('minipass') const Pax = require('./pax.js') const Header = require('./header.js') const ReadEntry = require('./read-entry.js') const fs = require('fs') const path = require('path') const types = require('./types.js') const maxReadSize = 16 * 1024 * 1024 const PROCESS = Symbol('process') const FILE = Symbol('file') const DIRECTORY = Symbol('directory') const SYMLINK = Symbol('symlink') const HARDLINK = Symbol('hardlink') const HEADER = Symbol('header') const READ = Symbol('read') const LSTAT = Symbol('lstat') const ONLSTAT = Symbol('onlstat') const ONREAD = Symbol('onread') const ONREADLINK = Symbol('onreadlink') const OPENFILE = Symbol('openfile') const ONOPENFILE = Symbol('onopenfile') const CLOSE = Symbol('close') const warner = require('./warn-mixin.js') const winchars = require('./winchars.js') const WriteEntry = warner(class WriteEntry extends MiniPass { constructor (p, opt) { opt = opt || {} super(opt) if (typeof p !== 'string') throw new TypeError('path is required') this.path = p // suppress atime, ctime, uid, gid, uname, gname this.portable = !!opt.portable // until node has builtin pwnam functions, this'll have to do this.myuid = process.getuid && process.getuid() this.myuser = process.env.USER || '' this.maxReadSize = opt.maxReadSize || maxReadSize this.linkCache = opt.linkCache || new Map() this.statCache = opt.statCache || new Map() this.preservePaths = !!opt.preservePaths this.cwd = opt.cwd || process.cwd() this.strict = !!opt.strict this.noPax = !!opt.noPax this.noMtime = !!opt.noMtime if (typeof opt.onwarn === 'function') this.on('warn', opt.onwarn) if (!this.preservePaths && path.win32.isAbsolute(p)) { // absolutes on posix are also absolutes on win32 // so we only need to test this one to get both const parsed = path.win32.parse(p) this.warn('stripping ' + parsed.root + ' from absolute path', p) this.path = p.substr(parsed.root.length) } this.win32 = !!opt.win32 || process.platform === 'win32' if (this.win32) { this.path = winchars.decode(this.path.replace(/\\/g, '/')) p = p.replace(/\\/g, '/') } this.absolute = opt.absolute || path.resolve(this.cwd, p) if (this.path === '') this.path = './' if (this.statCache.has(this.absolute)) this[ONLSTAT](this.statCache.get(this.absolute)) else this[LSTAT]() } [LSTAT] () { fs.lstat(this.absolute, (er, stat) => { if (er) return this.emit('error', er) this[ONLSTAT](stat) }) } [ONLSTAT] (stat) { this.statCache.set(this.absolute, stat) this.stat = stat if (!stat.isFile()) stat.size = 0 this.type = getType(stat) this.emit('stat', stat) this[PROCESS]() } [PROCESS] () { switch (this.type) { case 'File': return this[FILE]() case 'Directory': return this[DIRECTORY]() case 'SymbolicLink': return this[SYMLINK]() // unsupported types are ignored. default: return this.end() } } [HEADER] () { if (this.type === 'Directory' && this.portable) this.noMtime = true this.header = new Header({ path: this.path, linkpath: this.linkpath, // only the permissions and setuid/setgid/sticky bitflags // not the higher-order bits that specify file type mode: this.stat.mode & 0o7777, uid: this.portable ? null : this.stat.uid, gid: this.portable ? null : this.stat.gid, size: this.stat.size, mtime: this.noMtime ? null : this.stat.mtime, type: this.type, uname: this.portable ? null : this.stat.uid === this.myuid ? this.myuser : '', atime: this.portable ? null : this.stat.atime, ctime: this.portable ? null : this.stat.ctime }) if (this.header.encode() && !this.noPax) this.write(new Pax({ atime: this.portable ? null : this.header.atime, ctime: this.portable ? null : this.header.ctime, gid: this.portable ? null : this.header.gid, mtime: this.noMtime ? null : this.header.mtime, path: this.path, linkpath: this.linkpath, size: this.header.size, uid: this.portable ? null : this.header.uid, uname: this.portable ? null : this.header.uname, dev: this.portable ? null : this.stat.dev, ino: this.portable ? null : this.stat.ino, nlink: this.portable ? null : this.stat.nlink }).encode()) this.write(this.header.block) } [DIRECTORY] () { if (this.path.substr(-1) !== '/') this.path += '/' this.stat.size = 0 this[HEADER]() this.end() } [SYMLINK] () { fs.readlink(this.absolute, (er, linkpath) => { if (er) return this.emit('error', er) this[ONREADLINK](linkpath) }) } [ONREADLINK] (linkpath) { this.linkpath = linkpath this[HEADER]() this.end() } [HARDLINK] (linkpath) { this.type = 'Link' this.linkpath = path.relative(this.cwd, linkpath) this.stat.size = 0 this[HEADER]() this.end() } [FILE] () { if (this.stat.nlink > 1) { const linkKey = this.stat.dev + ':' + this.stat.ino if (this.linkCache.has(linkKey)) { const linkpath = this.linkCache.get(linkKey) if (linkpath.indexOf(this.cwd) === 0) return this[HARDLINK](linkpath) } this.linkCache.set(linkKey, this.absolute) } this[HEADER]() if (this.stat.size === 0) return this.end() this[OPENFILE]() } [OPENFILE] () { fs.open(this.absolute, 'r', (er, fd) => { if (er) return this.emit('error', er) this[ONOPENFILE](fd) }) } [ONOPENFILE] (fd) { const blockLen = 512 * Math.ceil(this.stat.size / 512) const bufLen = Math.min(blockLen, this.maxReadSize) const buf = Buffer.allocUnsafe(bufLen) this[READ](fd, buf, 0, buf.length, 0, this.stat.size, blockLen) } [READ] (fd, buf, offset, length, pos, remain, blockRemain) { fs.read(fd, buf, offset, length, pos, (er, bytesRead) => { if (er) return this[CLOSE](fd, _ => this.emit('error', er)) this[ONREAD](fd, buf, offset, length, pos, remain, blockRemain, bytesRead) }) } [CLOSE] (fd, cb) { fs.close(fd, cb) } [ONREAD] (fd, buf, offset, length, pos, remain, blockRemain, bytesRead) { if (bytesRead <= 0 && remain > 0) { const er = new Error('unexpected EOF') er.path = this.absolute er.syscall = 'read' er.code = 'EOF' this.emit('error', er) } // null out the rest of the buffer, if we could fit the block padding if (bytesRead === remain) { for (let i = bytesRead; i < length && bytesRead < blockRemain; i++) { buf[i + offset] = 0 bytesRead ++ remain ++ } } const writeBuf = offset === 0 && bytesRead === buf.length ? buf : buf.slice(offset, offset + bytesRead) remain -= bytesRead blockRemain -= bytesRead pos += bytesRead offset += bytesRead this.write(writeBuf) if (!remain) { if (blockRemain) this.write(Buffer.alloc(blockRemain)) this.end() this[CLOSE](fd, _ => _) return } if (offset >= length) { buf = Buffer.allocUnsafe(length) offset = 0 } length = buf.length - offset this[READ](fd, buf, offset, length, pos, remain, blockRemain) } }) class WriteEntrySync extends WriteEntry { constructor (path, opt) { super(path, opt) } [LSTAT] () { this[ONLSTAT](fs.lstatSync(this.absolute)) } [SYMLINK] () { this[ONREADLINK](fs.readlinkSync(this.absolute)) } [OPENFILE] () { this[ONOPENFILE](fs.openSync(this.absolute, 'r')) } [READ] (fd, buf, offset, length, pos, remain, blockRemain) { let threw = true try { const bytesRead = fs.readSync(fd, buf, offset, length, pos) this[ONREAD](fd, buf, offset, length, pos, remain, blockRemain, bytesRead) threw = false } finally { if (threw) try { this[CLOSE](fd) } catch (er) {} } } [CLOSE] (fd) { fs.closeSync(fd) } } const WriteEntryTar = warner(class WriteEntryTar extends MiniPass { constructor (readEntry, opt) { opt = opt || {} super(opt) this.preservePaths = !!opt.preservePaths this.portable = !!opt.portable this.strict = !!opt.strict this.noPax = !!opt.noPax this.noMtime = !!opt.noMtime this.readEntry = readEntry this.type = readEntry.type Iif (this.type === 'Directory' && this.portable) this.noMtime = true this.path = readEntry.path this.mode = readEntry.mode if (this.mode) this.mode = this.mode & 0o7777 this.uid = this.portable ? null : readEntry.uid this.gid = this.portable ? null : readEntry.gid this.uname = this.portable ? null : readEntry.uname this.gname = this.portable ? null : readEntry.gname this.size = readEntry.size this.mtime = this.noMtime ? null : readEntry.mtime this.atime = this.portable ? null : readEntry.atime this.ctime = this.portable ? null : readEntry.ctime this.linkpath = readEntry.linkpath if (typeof opt.onwarn === 'function') this.on('warn', opt.onwarn) if (path.isAbsolute(this.path) && !this.preservePaths) { const parsed = path.parse(this.path) this.warn( 'stripping ' + parsed.root + ' from absolute path', this.path ) this.path = this.path.substr(parsed.root.length) } this.remain = readEntry.size this.blockRemain = readEntry.startBlockSize this.header = new Header({ path: this.path, linkpath: this.linkpath, // only the permissions and setuid/setgid/sticky bitflags // not the higher-order bits that specify file type mode: this.mode, uid: this.portable ? null : this.uid, gid: this.portable ? null : this.gid, size: this.size, mtime: this.noMtime ? null : this.mtime, type: this.type, uname: this.portable ? null : this.uname, atime: this.portable ? null : this.atime, ctime: this.portable ? null : this.ctime }) if (this.header.encode() && !this.noPax) super.write(new Pax({ atime: this.portable ? null : this.atime, ctime: this.portable ? null : this.ctime, gid: this.portable ? null : this.gid, mtime: this.noMtime ? null : this.mtime, path: this.path, linkpath: this.linkpath, size: this.size, uid: this.portable ? null : this.uid, uname: this.portable ? null : this.uname, dev: this.portable ? null : this.readEntry.dev, ino: this.portable ? null : this.readEntry.ino, nlink: this.portable ? null : this.readEntry.nlink }).encode()) super.write(this.header.block) readEntry.pipe(this) } write (data) { const writeLen = data.length if (writeLen > this.blockRemain) throw new Error('writing more to entry than is appropriate') this.blockRemain -= writeLen return super.write(data) } end () { if (this.blockRemain) this.write(Buffer.alloc(this.blockRemain)) return super.end() } }) WriteEntry.Sync = WriteEntrySync WriteEntry.Tar = WriteEntryTar const getType = stat => stat.isFile() ? 'File' : stat.isDirectory() ? 'Directory' : stat.isSymbolicLink() ? 'SymbolicLink' : 'Unsupported' module.exports = WriteEntry |