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BREAKING(archive): remove std/archive package (#6185)

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Yoshiya Hinosawa 2024-11-19 13:55:08 +09:00 committed by GitHub
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<text text-anchor="middle" x="2245" y="-355.8" font-family="Times,serif" font-size="14.00">ulid</text>
</g>
<!-- uuid -->
<g id="node40" class="node">
<title>uuid</title>
<ellipse fill="lightgreen" stroke="black" cx="396" cy="-144" rx="36" ry="36"/>
<text text-anchor="middle" x="396" y="-139.8" font-family="Times,serif" font-size="14.00">uuid</text>
<ellipse fill="lightgreen" stroke="black" cx="1300" cy="-144" rx="36" ry="36"/>
<text text-anchor="middle" x="1300" y="-139.8" font-family="Times,serif" font-size="14.00">uuid</text>
</g>
<!-- uuid&#45;&gt;bytes -->
<g id="edge32" class="edge">
<g id="edge33" class="edge">
<title>uuid&#45;&gt;bytes</title>
<path fill="none" stroke="black" d="M368.03,-121.04C347.39,-104.83 319.15,-82.66 296.85,-65.15"/>
<polygon fill="black" stroke="black" points="298.96,-62.36 288.94,-58.94 294.64,-67.86 298.96,-62.36"/>
<path fill="none" stroke="black" d="M1272.19,-120.79C1266.56,-116.46 1260.64,-112.02 1255,-108 1232.31,-91.83 1206.17,-74.75 1185.18,-61.4"/>
<polygon fill="black" stroke="black" points="1186.85,-58.31 1176.53,-55.92 1183.1,-64.23 1186.85,-58.31"/>
</g>
<!-- uuid&#45;&gt;crypto -->
<g id="edge33" class="edge">
<g id="edge34" class="edge">
<title>uuid&#45;&gt;crypto</title>
<path fill="none" stroke="black" d="M396,-108C396,-99.85 396,-91.06 396,-82.54"/>
<polygon fill="black" stroke="black" points="399.5,-82.33 396,-72.33 392.5,-82.33 399.5,-82.33"/>
<path fill="none" stroke="black" d="M1300,-108C1300,-99.85 1300,-91.06 1300,-82.54"/>
<polygon fill="black" stroke="black" points="1303.5,-82.33 1300,-72.33 1296.5,-82.33 1303.5,-82.33"/>
</g>
<!-- webgpu -->
<g id="node41" class="node">
<title>webgpu</title>
<ellipse fill="none" stroke="black" cx="2393" cy="-360" rx="36" ry="36"/>
<text text-anchor="middle" x="2393" y="-355.8" font-family="Times,serif" font-size="14.00">webgpu</text>
<ellipse fill="none" stroke="black" cx="2335" cy="-360" rx="36" ry="36"/>
<text text-anchor="middle" x="2335" y="-355.8" font-family="Times,serif" font-size="14.00">webgpu</text>
</g>
</g>
</svg>

Side by Side Swipe Overlay

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3
.github/labeler.yml vendored
View File

@ -1,6 +1,3 @@
archive:
- changed-files:
- any-glob-to-any-file: archive/**
assert:
- changed-files:
- any-glob-to-any-file: assert/**

1
.github/workflows/title.yml vendored
View File

@ -35,7 +35,6 @@ jobs:
revert
# This should be kept up-to-date with the current packages list
scopes: |
archive(/unstable)?
assert(/unstable)?
async(/unstable)?
bytes(/unstable)?

1
README.md
View File

@ -18,7 +18,6 @@ documentation:
| Package | Latest version |
| ------------------------------------------------------ | ----------------------------------------------------------------------------------------- |
| [archive](https://jsr.io/@std/archive) | [![JSR](https://jsr.io/badges/@std/archive)](https://jsr.io/@std/archive) |
| [assert](https://jsr.io/@std/assert) | [![JSR](https://jsr.io/badges/@std/assert)](https://jsr.io/@std/assert) |
| [async](https://jsr.io/@std/async) | [![JSR](https://jsr.io/badges/@std/async)](https://jsr.io/@std/async) |
| [bytes](https://jsr.io/@std/bytes) | [![JSR](https://jsr.io/badges/@std/bytes)](https://jsr.io/@std/bytes) |

2
_tools/check_circular_package_dependencies.ts
View File

@ -35,7 +35,6 @@ type Dep = {
state: DepState;
};
type Mod =
| "archive"
| "assert"
| "async"
| "bytes"
@ -79,7 +78,6 @@ type Mod =
| "yaml";
const ENTRYPOINTS: Record<Mod, string[]> = {
archive: ["mod.ts"],
assert: ["mod.ts"],
async: ["mod.ts"],
bytes: ["mod.ts"],

1
_tools/check_docs.ts
View File

@ -30,7 +30,6 @@ type DocNodeWithJsDoc<T = DocNodeBase> = T & {
};
const ENTRY_POINTS = [
"../archive/mod.ts",
"../assert/mod.ts",
"../assert/unstable_never.ts",
"../async/mod.ts",

206
archive/_common.ts
View File

@ -1,206 +0,0 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import type { Reader } from "@std/io/types";
/**
* Base interface for {@linkcode TarMeta}.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarInfo {
/**
* The underlying raw `st_mode` bits that contain the standard Unix
* permissions for this file/directory.
*/
fileMode?: number;
/**
* Data modification time of the file at the time it was archived. It
* represents the integer number of seconds since January 1, 1970, 00:00 UTC.
*/
mtime?: number;
/**
* Numeric user ID of the file owner. This is ignored if the operating system
* does not support numeric user IDs.
*/
uid?: number;
/**
* Numeric group ID of the file owner. This is ignored if the operating
* system does not support numeric group IDs.
*/
gid?: number;
/** The name of the file owner. */
owner?: string;
/** The group that the file owner belongs to. */
group?: string;
/**
* The type of file archived.
*
* @see {@linkcode FileTypes}
*/
type?: string;
}
/**
* Base interface for {@linkcode TarMetaWithLinkName}.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarMeta extends TarInfo {
/**
* The name of the file, with directory names (if any) preceding the file
* name, separated by slashes.
*/
fileName: string;
/**
* The size of the file in bytes; for archive members that are symbolic or
* hard links to another file, this field is specified as zero.
*/
fileSize?: number;
}
/** The type of file archived. */
export enum FileTypes {
"file" = 0,
"link" = 1,
"symlink" = 2,
"character-device" = 3,
"block-device" = 4,
"directory" = 5,
"fifo" = 6,
"contiguous-file" = 7,
}
export const HEADER_LENGTH = 512;
/*
struct posix_header { // byte offset
char name[100]; // 0
char mode[8]; // 100
char uid[8]; // 108
char gid[8]; // 116
char size[12]; // 124
char mtime[12]; // 136
char chksum[8]; // 148
char typeflag; // 156
char linkname[100]; // 157
char magic[6]; // 257
char version[2]; // 263
char uname[32]; // 265
char gname[32]; // 297
char devmajor[8]; // 329
char devminor[8]; // 337
char prefix[155]; // 345
// 500
};
*/
export const USTAR_STRUCTURE = [
{
field: "fileName",
length: 100,
},
{
field: "fileMode",
length: 8,
},
{
field: "uid",
length: 8,
},
{
field: "gid",
length: 8,
},
{
field: "fileSize",
length: 12,
},
{
field: "mtime",
length: 12,
},
{
field: "checksum",
length: 8,
},
{
field: "type",
length: 1,
},
{
field: "linkName",
length: 100,
},
{
field: "ustar",
length: 8,
},
{
field: "owner",
length: 32,
},
{
field: "group",
length: 32,
},
{
field: "majorNumber",
length: 8,
},
{
field: "minorNumber",
length: 8,
},
{
field: "fileNamePrefix",
length: 155,
},
{
field: "padding",
length: 12,
},
] as const;
/**
* @internal
*/
export type UstarFields = (typeof USTAR_STRUCTURE)[number]["field"];
/**
* Thrown when a read from a stream fails to read the
* requested number of bytes.
*/
class PartialReadError extends Error {
partial: Uint8Array;
constructor(partial: Uint8Array) {
super("Encountered UnexpectedEof, data only partially read");
this.name = this.constructor.name;
this.partial = partial;
}
}
export async function readBlock(
reader: Reader,
p: Uint8Array,
): Promise<number | null> {
let bytesRead = 0;
while (bytesRead < p.length) {
const rr = await reader.read(p.subarray(bytesRead));
if (rr === null) {
if (bytesRead === 0) {
return null;
} else {
throw new PartialReadError(p.subarray(0, bytesRead));
}
}
bytesRead += rr;
}
return bytesRead;
}

24
archive/_multi_reader.ts
View File

@ -1,24 +0,0 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
// This module is browser compatible.
import type { Reader } from "@std/io/types";
export class MultiReader implements Reader {
readonly #readers: Reader[];
#currentIndex = 0;
constructor(readers: Reader[]) {
this.#readers = [...readers];
}
async read(p: Uint8Array): Promise<number | null> {
const r = this.#readers[this.#currentIndex];
if (!r) return null;
const result = await r.read(p);
if (result === null) {
this.#currentIndex++;
return 0;
}
return result;
}
}

6
archive/_test_utils.ts
View File

@ -1,6 +0,0 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { dirname, fromFileUrl, resolve } from "@std/path";
const moduleDir = dirname(fromFileUrl(import.meta.url));
export const testdataDir = resolve(moduleDir, "testdata");
export const filePath = resolve(testdataDir, "example.txt");

9
archive/deno.json
View File

@ -1,9 +0,0 @@
{
"name": "@std/archive",
"version": "0.225.4",
"exports": {
".": "./mod.ts",
"./tar": "./tar.ts",
"./untar": "./untar.ts"
}
}

73
archive/mod.ts
View File

@ -1,73 +0,0 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/*!
* Ported and modified from: https://github.com/beatgammit/tar-js and
* licensed as:
*
* (The MIT License)
*
* Copyright (c) 2011 T. Jameson Little
* Copyright (c) 2019 Jun Kato
* Copyright (c) 2018-2024 the Deno authors
*
* 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.
*/
/**
* Tar is a utility for collecting multiple files (or any arbitrary data) into one
* archive file, while untar is the inverse utility to extract the files from an
* archive. Files are not compressed, only collected into the archive.
*
* ```ts ignore
* import { Tar } from "@std/archive/tar";
* import { Buffer } from "@std/io/buffer";
* import { copy } from "@std/io/copy";
*
* const tar = new Tar();
*
* // Now that we've created our tar, let's add some files to it:
*
* const content = new TextEncoder().encode("Some arbitrary content");
* await tar.append("deno.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* // This file is sourced from the filesystem (and renamed in the archive)
* await tar.append("filename_in_archive.txt", {
* filePath: "./filename_on_filesystem.txt",
* });
*
* // Now let's write the tar (with its two files) to the filesystem
* // use tar.getReader() to read the contents.
*
* const writer = await Deno.open("./out.tar", { write: true, create: true });
* await copy(tar.getReader(), writer);
* writer.close();
* ```
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*
* @module
*/
export * from "./tar.ts";
export * from "./untar.ts";

497
archive/tar.ts
View File

@ -1,497 +0,0 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/*!
* Ported and modified from: https://github.com/beatgammit/tar-js and
* licensed as:
*
* (The MIT License)
*
* Copyright (c) 2011 T. Jameson Little
* Copyright (c) 2019 Jun Kato
* Copyright (c) 2018-2024 the Deno authors
*
* 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.
*/
import {
FileTypes,
type TarInfo,
type TarMeta,
USTAR_STRUCTURE,
} from "./_common.ts";
import type { Reader } from "@std/io/types";
import { MultiReader } from "./_multi_reader.ts";
import { Buffer } from "@std/io/buffer";
import { HEADER_LENGTH } from "./_common.ts";
export type { TarInfo, TarMeta };
/**
* Options for {@linkcode Tar.append}.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarOptions extends TarInfo {
/**
* Filepath of the file to append to the archive
*/
filePath?: string;
/**
* A Reader of any arbitrary content to append to the archive
*/
reader?: Reader;
/**
* Size of the content to be appended. This is only required
* when passing a reader to the archive.
*/
contentSize?: number;
}
const USTAR_MAGIC_HEADER = "ustar\u000000" as const;
/**
* Simple file reader
*/
class FileReader implements Reader {
#file: Deno.FsFile | undefined;
#filePath: string;
constructor(filePath: string) {
this.#filePath = filePath;
}
async read(p: Uint8Array): Promise<number | null> {
if (!this.#file) {
this.#file = await Deno.open(this.#filePath, { read: true });
}
const res = await this.#file.read(p);
if (res === null) {
this.#file.close();
this.#file = undefined;
}
return res;
}
}
/**
* Pads a number with leading zeros to a specified number of bytes.
*
* @param num The number to pad.
* @param bytes The number of bytes to pad the number to.
* @returns The padded number as a string.
*/
function pad(num: number, bytes: number): string {
return num.toString(8).padStart(bytes, "0");
}
/**
* Formats the header data for a tar file entry.
*
* @param data The data object containing the values for the tar header fields.
* @returns The formatted header data as a Uint8Array.
*/
function formatHeader(data: TarData): Uint8Array {
const encoder = new TextEncoder();
const buffer = new Uint8Array(HEADER_LENGTH);
let offset = 0;
for (const { field, length } of USTAR_STRUCTURE) {
const entry = encoder.encode(data[field as keyof TarData] ?? "");
buffer.set(entry, offset);
offset += length;
}
return buffer;
}
/**
* Base interface for {@linkcode TarDataWithSource}.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarData {
/** Name of the file, excluding directory names (if any). */
fileName?: string;
/** Directory names preceding the file name (if any). */
fileNamePrefix?: string;
/**
* The underlying raw `st_mode` bits that contain the standard Unix
* permissions for this file/directory.
*/
fileMode?: string;
/**
* Numeric user ID of the file owner. This is ignored if the operating system
* does not support numeric user IDs.
*/
uid?: string;
/**
* Numeric group ID of the file owner. This is ignored if the operating
* system does not support numeric group IDs.
*/
gid?: string;
/**
* The size of the file in bytes; for archive members that are symbolic or
* hard links to another file, this field is specified as zero.
*/
fileSize?: string;
/**
* Data modification time of the file at the time it was archived. It
* represents the integer number of seconds since January 1, 1970, 00:00 UTC.
*/
mtime?: string;
/** The simple sum of all bytes in the header block */
checksum?: string;
/**
* The type of file archived.
*
* @see {@linkcode FileTypes}
*/
type?: string;
/** Ustar magic header */
ustar?: string;
/** The name of the file owner. */
owner?: string;
/** The group that the file owner belongs to. */
group?: string;
}
/**
* Tar data interface for {@linkcode Tar.data}.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarDataWithSource extends TarData {
/**
* Path of the file to read.
*/
filePath?: string;
/**
* Buffer reader.
*/
reader?: Reader;
}
/**
* ### Overview
* A class to create a tar archive. Tar archives allow for storing multiple files in a
* single file (called an archive, or sometimes a tarball). These archives typically
* have the '.tar' extension.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* ### Usage
* The workflow is to create a Tar instance, append files to it, and then write the
* tar archive to the filesystem (or other output stream). See the worked example
* below for details.
*
* ### Compression
* Tar archives are not compressed by default. If you want to compress the archive,
* you may compress the tar archive after creation, but this capability is not provided
* here.
*
* ### File format and limitations
*
* The ustar file format is used for creating the archive file.
* While this format is compatible with most tar readers,
* the format has several limitations, including:
* * Files must be smaller than 8GiB
* * Filenames (including path) must be shorter than 256 characters
* * Filenames (including path) cannot contain non-ASCII characters
* * Sparse files are not supported
*
* @example Usage
* ```ts ignore
* import { Tar } from "@std/archive/tar";
* import { Buffer } from "@std/io/buffer";
* import { copy } from "@std/io/copy";
*
* const tar = new Tar();
*
* // Now that we've created our tar, let's add some files to it:
*
* const content = new TextEncoder().encode("Some arbitrary content");
* await tar.append("deno.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* // This file is sourced from the filesystem (and renamed in the archive)
* await tar.append("filename_in_archive.txt", {
* filePath: "./filename_on_filesystem.txt",
* });
*
* // Now let's write the tar (with its two files) to the filesystem
* // use tar.getReader() to read the contents.
*
* const writer = await Deno.open("./out.tar", { write: true, create: true });
* await copy(tar.getReader(), writer);
* writer.close();
* ```
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export class Tar {
/** Tar data. */
#data: TarDataWithSource[];
/** Constructs a new instance. */
constructor() {
this.#data = [];
}
/**
* Append a file or reader of arbitrary content to this tar archive. Directories
* appended to the archive append only the directory itself to the archive, not
* its contents. To add a directory and its contents, recursively append the
* directory's contents. Directories and subdirectories will be created automatically
* in the archive as required.
*
* @param filenameInArchive File name of the content in the archive. E.g.
* `test.txt`. Use slash for directory separators.
* @param source Details of the source of the content including the
* reference to the content itself and potentially any related metadata.
*
* @example Usage
* ```ts ignore
* import { Tar } from "@std/archive/tar";
* import { Buffer } from "@std/io/buffer";
* import { copy } from "@std/io/copy";
*
* const tar = new Tar();
*
* // Now that we've created our tar, let's add some files to it:
*
* const content = new TextEncoder().encode("Some arbitrary content");
* await tar.append("deno.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* // This file is sourced from the filesystem (and renamed in the archive)
* await tar.append("filename_in_archive.txt", {
* filePath: "./filename_on_filesystem.txt",
* });
*
* // Now let's write the tar (with its two files) to the filesystem
* // use tar.getReader() to read the contents.
*
* const writer = await Deno.open("./out.tar", { write: true, create: true });
* await copy(tar.getReader(), writer);
* writer.close();
* ```
*/
async append(filenameInArchive: string, source: TarOptions) {
if (typeof filenameInArchive !== "string") {
throw new Error("Cannot append data: File name is not a string");
}
let fileName = filenameInArchive;
/**
* Ustar format has a limitation of file name length. Specifically:
* 1. File names can contain at most 255 bytes.
* 2. File names longer than 100 bytes must be split at a directory separator in two parts,
* the first being at most 155 bytes long. So, in most cases file names must be a bit shorter
* than 255 bytes.
*/
// separate file name into two parts if needed
let fileNamePrefix: string | undefined;
if (fileName.length > 100) {
let i = fileName.length;
while (i >= 0) {
i = fileName.lastIndexOf("/", i);
if (i <= 155) {
fileNamePrefix = fileName.slice(0, i);
fileName = fileName.slice(i + 1);
break;
}
i--;
}
const errMsg =
"Cannot append data: The 'ustar' format does not allow a long file name (length of [file name" +
"prefix] + / + [file name] must be shorter than 256 bytes)";
if (i < 0 || fileName.length > 100) {
throw new Error(errMsg);
} else {
if (fileNamePrefix === undefined) {
throw new TypeError("File name prefix is undefined");
}
if (fileNamePrefix.length > 155) {
throw new Error(errMsg);
}
}
}
source = source ?? {};
// set meta data
let info: Deno.FileInfo | undefined;
if (source.filePath) {
info = await Deno.stat(source.filePath);
if (info.isDirectory) {
info.size = 0;
source.reader = new Buffer();
}
}
const mode = source.fileMode || (info && info.mode) ||
parseInt("777", 8) & 0xfff /* 511 */;
const mtime = Math.floor(
source.mtime ?? (info?.mtime ?? new Date()).valueOf() / 1000,
);
const uid = source.uid ?? 0;
const gid = source.gid ?? 0;
if (typeof source.owner === "string" && source.owner.length >= 32) {
throw new Error(
"Cannot append data: The 'ustar' format does not allow owner name length >= 32 bytes",
);
}
if (typeof source.group === "string" && source.group.length >= 32) {
throw new Error(
"Cannot append data: The 'ustar' format does not allow group name length >= 32 bytes",
);
}
const fileSize = info?.size ?? source.contentSize;
if (fileSize === undefined) {
throw new TypeError("Cannot append data: The file size is not defined");
}
const type = source.type
? FileTypes[source.type as keyof typeof FileTypes]
: (info?.isDirectory ? FileTypes.directory : FileTypes.file);
const tarData: TarDataWithSource = {
fileName,
fileMode: pad(mode, 7),
uid: pad(uid, 7),
gid: pad(gid, 7),
fileSize: pad(fileSize, 11),
mtime: pad(mtime, 11),
checksum: " ",
type: type.toString(),
ustar: USTAR_MAGIC_HEADER,
owner: source.owner ?? "",
group: source.group ?? "",
};
if (fileNamePrefix !== undefined) {
tarData.fileNamePrefix = fileNamePrefix;
}
if (source.filePath !== undefined) {
tarData.filePath = source.filePath;
}
if (source.reader !== undefined) {
tarData.reader = source.reader;
}
// calculate the checksum
let checksum = 0;
const encoder = new TextEncoder();
Object.keys(tarData)
.filter((key): boolean => ["filePath", "reader"].indexOf(key) < 0)
.forEach(function (key) {
checksum += encoder
.encode(tarData[key as keyof TarData])
.reduce((p, c): number => p + c, 0);
});
tarData.checksum = pad(checksum, 6) + "\u0000 ";
this.#data.push(tarData);
}
/**
* Get a {@linkcode Reader} instance for this tar archive.
*
* @returns A reader instance for the tar archive.
*
* @example Usage
* ```ts ignore
* import { Tar } from "@std/archive/tar";
* import { Buffer } from "@std/io/buffer";
* import { copy } from "@std/io/copy";
*
* const tar = new Tar();
*
* // Now that we've created our tar, let's add some files to it:
*
* const content = new TextEncoder().encode("Some arbitrary content");
* await tar.append("deno.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* // This file is sourced from the filesystem (and renamed in the archive)
* await tar.append("filename_in_archive.txt", {
* filePath: "./filename_on_filesystem.txt",
* });
*
* // Now let's write the tar (with its two files) to the filesystem
* // use tar.getReader() to read the contents.
*
* const writer = await Deno.open("./out.tar", { write: true, create: true });
* await copy(tar.getReader(), writer);
* writer.close();
* ```
*/
getReader(): Reader {
const readers: Reader[] = [];
this.#data.forEach((tarData) => {
let { reader } = tarData;
const { filePath } = tarData;
const headerArr = formatHeader(tarData);
readers.push(new Buffer(headerArr));
if (!reader) {
if (filePath === undefined) {
throw new TypeError(
"Cannot get the reader for the tar archive: FilePath is not defined",
);
}
reader = new FileReader(filePath);
}
readers.push(reader);
// to the nearest multiple of recordSize
if (tarData.fileSize === undefined) {
throw new TypeError(
"Cannot get the reader for the tar archive: FileSize is not defined",
);
}
readers.push(
new Buffer(
new Uint8Array(
HEADER_LENGTH -
(parseInt(tarData.fileSize, 8) % HEADER_LENGTH || HEADER_LENGTH),
),
),
);
});
// append 2 empty records
readers.push(new Buffer(new Uint8Array(HEADER_LENGTH * 2)));
return new MultiReader(readers);
}
}

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/**
* Tar test
*
* **test summary**
* - create a tar archive in memory containing output.txt and dir/tar.ts.
* - read and deflate a tar archive containing output.txt
*
* **to run this test**
* deno run --allow-read archive/tar_test.ts
*/
import { assert, assertEquals } from "@std/assert";
import { resolve } from "@std/path";
import { Tar } from "./tar.ts";
import { Untar } from "./untar.ts";
import { Buffer } from "@std/io/buffer";
import { copy } from "@std/io/copy";
import { readAll } from "@std/io/read-all";
import { filePath, testdataDir } from "./_test_utils.ts";
Deno.test("createTarArchive", async function () {
// initialize
const tar = new Tar();
// put data on memory
const content = new TextEncoder().encode("hello tar world!");
await tar.append("output.txt", {
reader: new Buffer(content),
contentSize: content.byteLength,
});
// put a file
await tar.append("dir/tar.ts", { filePath });
// write tar data to a buffer
const writer = new Buffer();
const wrote = await copy(tar.getReader(), writer);
/**
* 3072 = 512 (header) + 512 (content) + 512 (header) + 512 (content)
* + 1024 (footer)
*/
assertEquals(wrote, 3072);
});
Deno.test("Tar() deflates tar archive", async function () {
const fileName = "output.txt";
const text = "hello tar world!";
// create a tar archive
const tar = new Tar();
const content = new TextEncoder().encode(text);
await tar.append(fileName, {
reader: new Buffer(content),
contentSize: content.byteLength,
});
// read data from a tar archive
const untar = new Untar(tar.getReader());
const result = await untar.extract();
assert(result !== null);
const untarText = new TextDecoder("utf-8").decode(await readAll(result));
assertEquals(await untar.extract(), null); // EOF
// tests
assertEquals(result.fileName, fileName);
assertEquals(untarText, text);
});
Deno.test("Tar() appends file with long name to tar archive", async function (): Promise<
void
> {
// 10 * 15 + 13 = 163 bytes
const fileName = "long-file-name/".repeat(10) + "file-name.txt";
const text = "hello tar world!";
// create a tar archive
const tar = new Tar();
const content = new TextEncoder().encode(text);
await tar.append(fileName, {
reader: new Buffer(content),
contentSize: content.byteLength,
});
// read data from a tar archive
const untar = new Untar(tar.getReader());
const result = await untar.extract();
assert(result !== null);
assert(!result.consumed);
const untarText = new TextDecoder("utf-8").decode(await readAll(result));
assert(result.consumed);
// tests
assertEquals(result.fileName, fileName);
assertEquals(untarText, text);
});
Deno.test("Tar() checks directory entry type", async function () {
const tar = new Tar();
await tar.append("directory/", {
reader: new Buffer(),
contentSize: 0,
type: "directory",
});
const filePath = resolve(testdataDir);
await tar.append("archive/testdata/", {
filePath,
});
const outputFile = resolve(testdataDir, "directory_type_test.tar");
using file = await Deno.open(outputFile, { create: true, write: true });
await copy(tar.getReader(), file);
using reader = await Deno.open(outputFile, { read: true });
const untar = new Untar(reader);
await Array.fromAsync(
untar,
(entry) => assertEquals(entry.type, "directory"),
);
await Deno.remove(outputFile);
});

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hello world!

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
/*!
* Ported and modified from: https://github.com/beatgammit/tar-js and
* licensed as:
*
* (The MIT License)
*
* Copyright (c) 2011 T. Jameson Little
* Copyright (c) 2019 Jun Kato
* Copyright (c) 2018-2022 the Deno authors
*
* 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.
*/
import {
FileTypes,
HEADER_LENGTH,
readBlock,
type TarMeta,
USTAR_STRUCTURE,
type UstarFields,
} from "./_common.ts";
import { readAll } from "@std/io/read-all";
import type { Reader, Seeker } from "@std/io/types";
export type { Reader, Seeker };
/**
* Extend TarMeta with the `linkName` property so that readers can access
* symbolic link values without polluting the world of archive writers.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export interface TarMetaWithLinkName extends TarMeta {
/** File name of the symbolic link. */
linkName?: string;
}
/**
* Tar header with raw, unprocessed bytes as values.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export type TarHeader = {
[key in UstarFields]: Uint8Array;
};
// https://pubs.opengroup.org/onlinepubs/9699919799/utilities/pax.html#tag_20_92_13_06
// eight checksum bytes taken to be ascii spaces (decimal value 32)
const initialChecksum = 8 * 32;
/**
* Trims a Uint8Array by removing any trailing zero bytes.
*
* @param buffer The Uint8Array to trim.
* @returns A new Uint8Array with trailing zero bytes removed, or the original
* buffer if no trailing zero bytes are found.
*/
function trim(buffer: Uint8Array): Uint8Array {
const index = buffer.indexOf(0);
return index === -1 ? buffer : buffer.subarray(0, index);
}
/**
* Parse file header in a tar archive
* @param length
*/
function parseHeader(buffer: Uint8Array): TarHeader {
const data = {} as TarHeader;
let offset = 0;
USTAR_STRUCTURE.forEach(function (value) {
const arr = buffer.subarray(offset, offset + value.length);
data[value.field] = arr;
offset += value.length;
});
return data;
}
/**
* Tar entry
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*
* @example Usage
* ```ts ignore
* import { TarEntry } from "@std/archive/untar";
* import { Buffer } from "@std/io/buffer";
*
* const content = new TextEncoder().encode("hello tar world!");
* const reader = new Buffer(content);
* const tarMeta = {
* fileName: "archive/",
* fileSize: 0,
* fileMode: 509,
* mtime: 1591800767,
* uid: 1001,
* gid: 1001,
* owner: "deno",
* group: "deno",
* type: "directory",
* };
* const tarEntry: TarEntry = new TarEntry(tarMeta, reader);
* ```
*/
export interface TarEntry extends TarMetaWithLinkName {}
/**
* Contains tar header metadata and a reader to the entry's body.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*
* @example Usage
* ```ts ignore
* import { TarEntry } from "@std/archive/untar";
* import { Buffer } from "@std/io/buffer";
*
* const content = new TextEncoder().encode("hello tar world!");
* const reader = new Buffer(content);
* const tarMeta = {
* fileName: "archive/",
* fileSize: 0,
* fileMode: 509,
* mtime: 1591800767,
* uid: 1001,
* gid: 1001,
* owner: "deno",
* group: "deno",
* type: "directory",
* };
* const tarEntry: TarEntry = new TarEntry(tarMeta, reader);
* ```
*/
export class TarEntry implements Reader {
#reader: Reader | (Reader & Seeker);
#size: number;
#read = 0;
#consumed = false;
#entrySize: number;
/**
* Constructs a new instance.
*
* @param meta The metadata of the entry.
* @param reader The reader to read the entry from.
*/
constructor(
meta: TarMetaWithLinkName,
reader: Reader | (Reader & Seeker),
) {
Object.assign(this, meta);
this.#reader = reader;
// File Size
this.#size = this.fileSize ?? 0;
// Entry Size
const blocks = Math.ceil(this.#size / HEADER_LENGTH);
this.#entrySize = blocks * HEADER_LENGTH;
}
/**
* Returns whether the entry has already been consumed.
*
* @returns Whether the entry has already been consumed.
*
* @example Usage
* ```ts ignore
* import { TarEntry } from "@std/archive/untar";
* import { Buffer } from "@std/io/buffer";
* import { assertEquals } from "@std/assert/equals";
*
* const content = new TextEncoder().encode("hello tar world!");
* const reader = new Buffer(content);
* const tarMeta = {
* fileName: "archive/",
* fileSize: 0,
* fileMode: 509,
* mtime: 1591800767,
* uid: 1001,
* gid: 1001,
* owner: "deno",
* group: "deno",
* type: "directory",
* };
* const tarEntry: TarEntry = new TarEntry(tarMeta, reader);
*
* assertEquals(tarEntry.consumed, false);
* ```
*/
get consumed(): boolean {
return this.#consumed;
}
/**
* Reads up to `p.byteLength` bytes of the tar entry into `p`. It resolves to
* the number of bytes read (`0 < n <= p.byteLength`) and rejects if any
* error encountered. Even if read() resolves to n < p.byteLength, it may use
* all of `p` as scratch space during the call. If some data is available but
* not `p.byteLength bytes`, read() conventionally resolves to what is available
* instead of waiting for more.
*
* @param p The buffer to read the entry into.
* @returns The number of bytes read (`0 < n <= p.byteLength`) or `null` if
* there are no more bytes to read.
*
* @example Usage
* ```ts ignore
* import { Tar, Untar } from "@std/archive";
* import { assertEquals } from "@std/assert/equals";
* import { Buffer } from "@std/io/buffer";
*
* const content = new TextEncoder().encode("hello tar world!");
*
* const tar = new Tar();
* tar.append("test.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* const untar = new Untar(tar.getReader());
* const entry = await untar.extract();
* const buffer = new Uint8Array(1024);
* const n = await entry!.read(buffer);
*
* assertEquals(buffer.subarray(0, n!), content);
* ```
*/
async read(p: Uint8Array): Promise<number | null> {
// Bytes left for entry
const entryBytesLeft = this.#entrySize - this.#read;
const bufSize = Math.min(
// bufSize can't be greater than p.length nor bytes left in the entry
p.length,
entryBytesLeft,
);
if (entryBytesLeft <= 0) {
this.#consumed = true;
return null;
}
const block = new Uint8Array(bufSize);
const n = await readBlock(this.#reader, block);
const bytesLeft = this.#size - this.#read;
this.#read += n ?? 0;
if (n === null || bytesLeft <= 0) {
if (n === null) this.#consumed = true;
return null;
}
// Remove zero filled
const offset = bytesLeft < n ? bytesLeft : n;
p.set(block.subarray(0, offset), 0);
return offset < 0 ? n - Math.abs(offset) : offset;
}
/**
* Discords the current entry.
*
* @example Usage
* ```ts ignore
* import { Buffer } from "@std/io/buffer";
* import { TarEntry } from "@std/archive/untar";
* import { assertEquals } from "@std/assert/equals";
*
* const text = "Hello, world!";
*
* const reader = new Buffer(new TextEncoder().encode(text));
* const tarMeta = {
* fileName: "text",
* fileSize: 0,
* fileMode: 509,
* mtime: 1591800767,
* uid: 1001,
* gid: 1001,
* owner: "deno",
* group: "deno",
* type: "file",
* };
*
* const tarEntry: TarEntry = new TarEntry(tarMeta, reader);
* await tarEntry.discard();
*
* assertEquals(tarEntry.consumed, true);
* ```
*/
async discard() {
// Discard current entry
if (this.#consumed) return;
this.#consumed = true;
if (typeof (this.#reader as Seeker).seek === "function") {
await (this.#reader as Seeker).seek(
this.#entrySize - this.#read,
Deno.SeekMode.Current,
);
this.#read = this.#entrySize;
} else {
await readAll(this);
}
}
}
/**
* ### Overview
* A class to extract from a tar archive. Tar archives allow for storing multiple
* files in a single file (called an archive, or sometimes a tarball). These
* archives typically have the '.tar' extension.
*
* @deprecated Use {@linkcode https://jsr.io/@std/tar | @std/tar} instead.
* `@std/archive` will be removed in the future.
*
* ### Supported file formats
* Only the ustar file format is supported. This is the most common format. The
* pax file format may also be read, but additional features, such as longer
* filenames may be ignored.
*
* ### Usage
* The workflow is to create a Untar instance referencing the source of the tar file.
* You can then use the untar reference to extract files one at a time. See the worked
* example below for details.
*
* ### Understanding compression
* A tar archive may be compressed, often identified by the `.tar.gz` extension.
* This utility does not support decompression which must be done before extracting
* the files.
*
* @example Usage
* ```ts ignore
* import { Untar } from "@std/archive/untar";
* import { ensureFile } from "@std/fs/ensure-file";
* import { ensureDir } from "@std/fs/ensure-dir";
* import { copy } from "@std/io/copy";
*
* using reader = await Deno.open("./out.tar", { read: true });
* const untar = new Untar(reader);
*
* for await (const entry of untar) {
* console.log(entry); // metadata
*
* if (entry.type === "directory") {
* await ensureDir(entry.fileName);
* continue;
* }
*
* await ensureFile(entry.fileName);
* using file = await Deno.open(entry.fileName, { write: true });
* // <entry> is a reader.
* await copy(entry, file);
* }
* ```
*
* @experimental **UNSTABLE**: New API, yet to be vetted.
*/
export class Untar {
/** Internal reader. */
#reader: Reader;
/** Internal block. */
#block: Uint8Array;
#entry: TarEntry | undefined;
/**
* Constructs a new instance.
*
* @param reader The reader to extract from.
*/
constructor(reader: Reader) {
this.#reader = reader;
this.#block = new Uint8Array(HEADER_LENGTH);
}
#checksum(header: Uint8Array): number {
let sum = initialChecksum;
for (let i = 0; i < HEADER_LENGTH; i++) {
if (i >= 148 && i < 156) {
// Ignore checksum header
continue;
}
sum += header[i]!;
}
return sum;
}
async #getAndValidateHeader(): Promise<TarHeader | null> {
await readBlock(this.#reader, this.#block);
const header = parseHeader(this.#block);
// calculate the checksum
const decoder = new TextDecoder();
const checksum = this.#checksum(this.#block);
if (parseInt(decoder.decode(header.checksum), 8) !== checksum) {
if (checksum === initialChecksum) {
// EOF
return null;
}
throw new Error("Cannot validate checksum");
}
const magic = decoder.decode(header.ustar);
if (magic.indexOf("ustar")) {
throw new Error(
`Cannot validate the header as it has unsupported archive format: ${magic}`,
);
}
return header;
}
#getMetadata(header: TarHeader): TarMetaWithLinkName {
const decoder = new TextDecoder();
// get meta data
const meta: TarMetaWithLinkName = {
fileName: decoder.decode(trim(header.fileName)),
};
const fileNamePrefix = trim(header.fileNamePrefix);
if (fileNamePrefix.byteLength > 0) {
meta.fileName = decoder.decode(fileNamePrefix) + "/" + meta.fileName;
}
(["fileMode", "mtime", "uid", "gid"] as const)
.forEach((key) => {
const arr = trim(header[key]);
if (arr.byteLength > 0) {
meta[key] = parseInt(decoder.decode(arr), 8);
}
});
(["owner", "group", "type"] as const)
.forEach((key) => {
const arr = trim(header[key]);
if (arr.byteLength > 0) {
meta[key] = decoder.decode(arr);
}
});
meta.fileSize = parseInt(decoder.decode(header.fileSize), 8);
if (meta.type !== undefined) {
meta.type = FileTypes[parseInt(meta.type!)] ?? meta.type;
}
// Only create the `linkName` property for symbolic links to minimize
// the effect on existing code that only deals with non-links.
if (meta.type === "symlink") {
meta.linkName = decoder.decode(trim(header.linkName));
}
return meta;
}
/**
* Extract the next entry of the tar archive.
*
* @returns A TarEntry with header metadata and a reader to the entry's body,
* or null if there are no more entries to extract.
*
* @example Usage
* ```ts ignore
* import { Tar, Untar } from "@std/archive";
* import { Buffer } from "@std/io/buffer";
* import { readAll } from "@std/io/read-all";
* import { assertEquals, assertNotEquals } from "@std/assert";
*
* const content = new TextEncoder().encode("hello tar world!");
*
* // Create a tar archive
* const tar = new Tar();
* await tar.append("output.txt", {
* reader: new Buffer(content),
* contentSize: content.byteLength,
* });
*
* // Read data from a tar archive
* const untar = new Untar(tar.getReader());
* const result = await untar.extract();
*
* assertNotEquals(result, null);
* assertEquals(result!.fileName, "output.txt");
* assertEquals(result!.fileSize, content.byteLength);
* assertEquals(result!.type, "file");
* assertEquals(await readAll(result!), content);
* ```
*/
async extract(): Promise<TarEntry | null> {
if (this.#entry && !this.#entry.consumed) {
// If entry body was not read, discard the body
// so we can read the next entry.
await this.#entry.discard();
}
const header = await this.#getAndValidateHeader();
if (header === null) return null;
const meta = this.#getMetadata(header);
this.#entry = new TarEntry(meta, this.#reader);
return this.#entry;
}
/**
* Iterate over all entries of the tar archive.
*
* @yields A TarEntry with tar header metadata and a reader to the entry's body.
* @returns An async iterator.
*
* @example Usage
* ```ts ignore
* import { Untar } from "@std/archive/untar";
* import { ensureFile } from "@std/fs/ensure-file";
* import { ensureDir } from "@std/fs/ensure-dir";
* import { copy } from "@std/io/copy";
*
* using reader = await Deno.open("./out.tar", { read: true });
* const untar = new Untar(reader);
*
* for await (const entry of untar) {
* console.log(entry); // metadata
*
* if (entry.type === "directory") {
* await ensureDir(entry.fileName);
* continue;
* }
*
* await ensureFile(entry.fileName);
* using file = await Deno.open(entry.fileName, { write: true });
* // <entry> is a reader.
* await copy(entry, file);
* }
* ```
*/
async *[Symbol.asyncIterator](): AsyncIterableIterator<TarEntry> {
while (true) {
const entry = await this.extract();
if (entry === null) return;
yield entry;
}
}
}

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assert, assertEquals, assertExists } from "@std/assert";
import { resolve } from "@std/path";
import { Tar, type TarMeta } from "./tar.ts";
import { TarEntry, type TarMetaWithLinkName, Untar } from "./untar.ts";
import { Buffer } from "@std/io/buffer";
import { copy } from "@std/io/copy";
import { readAll } from "@std/io/read-all";
import { filePath, testdataDir } from "./_test_utils.ts";
interface TestEntry {
name: string;
content?: Uint8Array;
filePath?: string;
}
async function createTar(entries: TestEntry[]): Promise<Tar> {
const tar = new Tar();
// put data on memory
for (const file of entries) {
let options;
if (file.content) {
options = {
reader: new Buffer(file.content),
contentSize: file.content.byteLength,
};
} else {
options = { filePath: file.filePath! };
}
await tar.append(file.name, options);
}
return tar;
}
Deno.test("Untar() works as an async iterator", async () => {
const entries: TestEntry[] = [
{
name: "output.txt",
content: new TextEncoder().encode("hello tar world!"),
},
{
name: "dir/tar.ts",
filePath,
},
];
const tar = await createTar(entries);
// read data from a tar archive
const untar = new Untar(tar.getReader());
let lastEntry;
for await (const entry of untar) {
const expected = entries.shift();
assert(expected);
let content = expected.content;
if (expected.filePath) {
content = await Deno.readFile(expected.filePath);
}
assertEquals(content, await readAll(entry));
assertEquals(expected.name, entry.fileName);
if (lastEntry) assert(lastEntry.consumed);
lastEntry = entry;
}
assert(lastEntry);
assert(lastEntry.consumed);
assertEquals(entries.length, 0);
});
Deno.test("Untar() reads without body", async () => {
const entries: TestEntry[] = [
{
name: "output.txt",
content: new TextEncoder().encode("hello tar world!"),
},
{
name: "dir/tar.ts",
filePath,
},
];
const tar = await createTar(entries);
// read data from a tar archive
const untar = new Untar(tar.getReader());
for await (const entry of untar) {
const expected = entries.shift();
assert(expected);
assertEquals(expected.name, entry.fileName);
}
assertEquals(entries.length, 0);
});
Deno.test(
"Untar() reads without body from FileReader",
async () => {
const entries: TestEntry[] = [
{
name: "output.txt",
content: new TextEncoder().encode("hello tar world!"),
},
{
name: "dir/tar.ts",
filePath,
},
];
const outputFile = resolve(testdataDir, "test.tar");
const tar = await createTar(entries);
using file = await Deno.open(outputFile, { create: true, write: true });
await copy(tar.getReader(), file);
using reader = await Deno.open(outputFile, { read: true });
// read data from a tar archive
const untar = new Untar(reader);
for await (const entry of untar) {
const expected = entries.shift();
assert(expected);
assertEquals(expected.name, entry.fileName);
}
await Deno.remove(outputFile);
assertEquals(entries.length, 0);
},
);
Deno.test("Untar() reads from FileReader", async () => {
const entries: TestEntry[] = [
{
name: "output.txt",
content: new TextEncoder().encode("hello tar world!"),
},
{
name: "dir/tar.ts",
filePath,
},
];
const outputFile = resolve(testdataDir, "test.tar");
const tar = await createTar(entries);
using file = await Deno.open(outputFile, { create: true, write: true });
await copy(tar.getReader(), file);
using reader = await Deno.open(outputFile, { read: true });
// read data from a tar archive
const untar = new Untar(reader);
for await (const entry of untar) {
const expected = entries.shift();
assert(expected);
let content = expected.content;
if (expected.filePath) {
content = await Deno.readFile(expected.filePath);
}
assertEquals(content, await readAll(entry));
assertEquals(expected.name, entry.fileName);
}
await Deno.remove(outputFile);
assertEquals(entries.length, 0);
});
Deno.test(
"Untar() reads less than record size",
async () => {
// record size is 512
const bufSizes = [1, 53, 256, 511];
for (const bufSize of bufSizes) {
const entries: TestEntry[] = [
{
name: "output.txt",
content: new TextEncoder().encode("hello tar world!".repeat(100)),
},
// Need to test at least two files, to make sure the first entry doesn't over-read
// Causing the next to fail with: checksum error
{
name: "deni.txt",
content: new TextEncoder().encode("deno!".repeat(250)),
},
];
const tar = await createTar(entries);
// read data from a tar archive
const untar = new Untar(tar.getReader());
for await (const entry of untar) {
const expected = entries.shift();
assert(expected);
assertEquals(expected.name, entry.fileName);
const writer = new Buffer();
while (true) {
const buf = new Uint8Array(bufSize);
const n = await entry.read(buf);
if (n === null) break;
await writer.write(buf.subarray(0, n));
}
assertEquals(writer.bytes(), expected!.content);
}
assertEquals(entries.length, 0);
}
},
);
Deno.test("Untar() works with Linux generated tar", async () => {
const filePath = resolve(testdataDir, "deno.tar");
using file = await Deno.open(filePath, { read: true });
type ExpectedEntry = TarMeta & { content?: Uint8Array };
const expectedEntries: ExpectedEntry[] = [
{
fileName: "archive/",
fileSize: 0,
fileMode: 509,
mtime: 1591800767,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "directory",
},
{
fileName: "archive/deno/",
fileSize: 0,
fileMode: 509,
mtime: 1591799635,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "directory",
},
{
fileName: "archive/deno/land/",
fileSize: 0,
fileMode: 509,
mtime: 1591799660,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "directory",
},
{
fileName: "archive/deno/land/land.txt",
fileMode: 436,
fileSize: 5,
mtime: 1591799660,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "file",
content: new TextEncoder().encode("land\n"),
},
{
fileName: "archive/file.txt",
fileMode: 436,
fileSize: 5,
mtime: 1591799626,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "file",
content: new TextEncoder().encode("file\n"),
},
{
fileName: "archive/deno.txt",
fileMode: 436,
fileSize: 5,
mtime: 1591799642,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "file",
content: new TextEncoder().encode("deno\n"),
},
];
const untar = new Untar(file);
for await (const entry of untar) {
const expected = expectedEntries.shift();
assert(expected);
const content = expected.content;
delete expected.content;
assertEquals({ ...entry }, expected);
if (content) {
assertEquals(content, await readAll(entry));
}
}
});
Deno.test({
name: "TarEntry() handles meta",
// only: true,
fn() {
// test TarEntry class
assertExists(TarEntry);
const content = new TextEncoder().encode("hello tar world!");
const reader = new Buffer(content);
const tarMeta = {
fileName: "archive/",
fileSize: 0,
fileMode: 509,
mtime: 1591800767,
uid: 1001,
gid: 1001,
owner: "deno",
group: "deno",
type: "directory",
};
const tarEntry: TarEntry = new TarEntry(tarMeta, reader);
assertExists(tarEntry);
},
});
Deno.test("Untar() handles archive with link", async function () {
const filePath = resolve(testdataDir, "with_link.tar");
using file = await Deno.open(filePath, { read: true });
type ExpectedEntry = TarMetaWithLinkName & { content?: Uint8Array };
const expectedEntries: ExpectedEntry[] = [
{
fileName: "hello.txt",
fileMode: 436,
fileSize: 14,
mtime: 1696384910,
uid: 1000,
gid: 1000,
owner: "user",
group: "user",
type: "file",
content: new TextEncoder().encode("Hello World!\n\n"),
},
{
fileName: "link_to_hello.txt",
linkName: "./hello.txt",
fileMode: 511,
fileSize: 0,
mtime: 1696384945,
uid: 1000,
gid: 1000,
owner: "user",
group: "user",
type: "symlink",
},
];
const untar = new Untar(file);
for await (const entry of untar) {
const expected = expectedEntries.shift();
assert(expected);
const content = expected.content;
delete expected.content;
assertEquals({ ...entry }, expected);
if (content) {
assertEquals(content, await readAll(entry));
}
}
});

1
browser-compat.tsconfig.json
View File

@ -8,7 +8,6 @@
},
"importMap": "./import_map.json",
"workspace": [
"./archive",
"./assert",
"./async",
"./bytes",

1
deno.json
View File

@ -50,7 +50,6 @@
}
},
"workspace": [
"./archive",
"./assert",
"./async",
"./bytes",

1
import_map.json
View File

@ -6,7 +6,6 @@
"automation/": "https://raw.githubusercontent.com/denoland/automation/0.10.0/",
"graphviz": "npm:node-graphviz@^0.1.1",
"@std/archive": "jsr:@std/archive@^0.225.4",
"@std/assert": "jsr:@std/assert@^1.0.8",
"@std/async": "jsr:@std/async@^1.0.8",
"@std/bytes": "jsr:@std/bytes@^1.0.4",