summaryrefslogtreecommitdiff
path: root/node_modules/snekfetch/src/node/mimeOfBuffer.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/snekfetch/src/node/mimeOfBuffer.js')
-rw-r--r--node_modules/snekfetch/src/node/mimeOfBuffer.js546
1 files changed, 0 insertions, 546 deletions
diff --git a/node_modules/snekfetch/src/node/mimeOfBuffer.js b/node_modules/snekfetch/src/node/mimeOfBuffer.js
deleted file mode 100644
index e92ccb8..0000000
--- a/node_modules/snekfetch/src/node/mimeOfBuffer.js
+++ /dev/null
@@ -1,546 +0,0 @@
-/* eslint complexity: 0 */
-
-// from file-type by @sindresorhus under the MIT license
-// https://github.com/sindresorhus/file-type
-
-function mimeOfBuffer(input) {
- const buf = new Uint8Array(input);
-
- if (!(buf && buf.length > 1))
- return null;
-
-
- if (buf[0] === 0xFF && buf[1] === 0xD8 && buf[2] === 0xFF) {
- return {
- ext: 'jpg',
- mime: 'image/jpeg',
- };
- }
-
- if (buf[0] === 0x89 && buf[1] === 0x50 && buf[2] === 0x4E && buf[3] === 0x47) {
- return {
- ext: 'png',
- mime: 'image/png',
- };
- }
-
- if (buf[0] === 0x47 && buf[1] === 0x49 && buf[2] === 0x46) {
- return {
- ext: 'gif',
- mime: 'image/gif',
- };
- }
-
- if (buf[8] === 0x57 && buf[9] === 0x45 && buf[10] === 0x42 && buf[11] === 0x50) {
- return {
- ext: 'webp',
- mime: 'image/webp',
- };
- }
-
- if (buf[0] === 0x46 && buf[1] === 0x4C && buf[2] === 0x49 && buf[3] === 0x46) {
- return {
- ext: 'flif',
- mime: 'image/flif',
- };
- }
-
- // needs to be before `tif` check
- if (
- ((buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0x2A && buf[3] === 0x0) ||
- (buf[0] === 0x4D && buf[1] === 0x4D && buf[2] === 0x0 && buf[3] === 0x2A)) && buf[8] === 0x43 && buf[9] === 0x52
- ) {
- return {
- ext: 'cr2',
- mime: 'image/x-canon-cr2',
- };
- }
-
- if (
- (buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0x2A && buf[3] === 0x0) ||
- (buf[0] === 0x4D && buf[1] === 0x4D && buf[2] === 0x0 && buf[3] === 0x2A)
- ) {
- return {
- ext: 'tif',
- mime: 'image/tiff',
- };
- }
-
- if (buf[0] === 0x42 && buf[1] === 0x4D) {
- return {
- ext: 'bmp',
- mime: 'image/bmp',
- };
- }
-
- if (buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0xBC) {
- return {
- ext: 'jxr',
- mime: 'image/vnd.ms-photo',
- };
- }
-
- if (buf[0] === 0x38 && buf[1] === 0x42 && buf[2] === 0x50 && buf[3] === 0x53) {
- return {
- ext: 'psd',
- mime: 'image/vnd.adobe.photoshop',
- };
- }
-
- // needs to be before `zip` check
- if (
- buf[0] === 0x50 && buf[1] === 0x4B && buf[2] === 0x3 && buf[3] === 0x4 && buf[30] === 0x6D && buf[31] === 0x69 &&
- buf[32] === 0x6D && buf[33] === 0x65 && buf[34] === 0x74 && buf[35] === 0x79 && buf[36] === 0x70 &&
- buf[37] === 0x65 && buf[38] === 0x61 && buf[39] === 0x70 && buf[40] === 0x70 && buf[41] === 0x6C &&
- buf[42] === 0x69 && buf[43] === 0x63 && buf[44] === 0x61 && buf[45] === 0x74 && buf[46] === 0x69 &&
- buf[47] === 0x6F && buf[48] === 0x6E && buf[49] === 0x2F && buf[50] === 0x65 && buf[51] === 0x70 &&
- buf[52] === 0x75 && buf[53] === 0x62 && buf[54] === 0x2B && buf[55] === 0x7A && buf[56] === 0x69 &&
- buf[57] === 0x70
- ) {
- return {
- ext: 'epub',
- mime: 'application/epub+zip',
- };
- }
-
- // needs to be before `zip` check
- // assumes signed .xpi from addons.mozilla.org
- if (
- buf[0] === 0x50 && buf[1] === 0x4B && buf[2] === 0x3 && buf[3] === 0x4 && buf[30] === 0x4D && buf[31] === 0x45 &&
- buf[32] === 0x54 && buf[33] === 0x41 && buf[34] === 0x2D && buf[35] === 0x49 && buf[36] === 0x4E &&
- buf[37] === 0x46 && buf[38] === 0x2F && buf[39] === 0x6D && buf[40] === 0x6F && buf[41] === 0x7A &&
- buf[42] === 0x69 && buf[43] === 0x6C && buf[44] === 0x6C && buf[45] === 0x61 && buf[46] === 0x2E &&
- buf[47] === 0x72 && buf[48] === 0x73 && buf[49] === 0x61
- ) {
- return {
- ext: 'xpi',
- mime: 'application/x-xpinstall',
- };
- }
-
- if (
- buf[0] === 0x50 && buf[1] === 0x4B && (buf[2] === 0x3 || buf[2] === 0x5 || buf[2] === 0x7) &&
- (buf[3] === 0x4 || buf[3] === 0x6 || buf[3] === 0x8)
- ) {
- return {
- ext: 'zip',
- mime: 'application/zip',
- };
- }
-
- if (buf[257] === 0x75 && buf[258] === 0x73 && buf[259] === 0x74 && buf[260] === 0x61 && buf[261] === 0x72) {
- return {
- ext: 'tar',
- mime: 'application/x-tar',
- };
- }
-
- if (
- buf[0] === 0x52 && buf[1] === 0x61 && buf[2] === 0x72 && buf[3] === 0x21 && buf[4] === 0x1A && buf[5] === 0x7 &&
- (buf[6] === 0x0 || buf[6] === 0x1)
- ) {
- return {
- ext: 'rar',
- mime: 'application/x-rar-compressed',
- };
- }
-
- if (buf[0] === 0x1F && buf[1] === 0x8B && buf[2] === 0x8) {
- return {
- ext: 'gz',
- mime: 'application/gzip',
- };
- }
-
- if (buf[0] === 0x42 && buf[1] === 0x5A && buf[2] === 0x68) {
- return {
- ext: 'bz2',
- mime: 'application/x-bzip2',
- };
- }
-
- if (buf[0] === 0x37 && buf[1] === 0x7A && buf[2] === 0xBC && buf[3] === 0xAF && buf[4] === 0x27 && buf[5] === 0x1C) {
- return {
- ext: '7z',
- mime: 'application/x-7z-compressed',
- };
- }
-
- if (buf[0] === 0x78 && buf[1] === 0x01) {
- return {
- ext: 'dmg',
- mime: 'application/x-apple-diskimage',
- };
- }
-
- if (
- (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && (buf[3] === 0x18 || buf[3] === 0x20) && buf[4] === 0x66 &&
- buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70) ||
- (buf[0] === 0x33 && buf[1] === 0x67 && buf[2] === 0x70 && buf[3] === 0x35) ||
- (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1C && buf[4] === 0x66 && buf[5] === 0x74 &&
- buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x6D && buf[9] === 0x70 && buf[10] === 0x34 &&
- buf[11] === 0x32 && buf[16] === 0x6D && buf[17] === 0x70 && buf[18] === 0x34 && buf[19] === 0x31 &&
- buf[20] === 0x6D && buf[21] === 0x70 && buf[22] === 0x34 && buf[23] === 0x32 && buf[24] === 0x69 &&
- buf[25] === 0x73 && buf[26] === 0x6F && buf[27] === 0x6D) ||
- (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1C && buf[4] === 0x66 && buf[5] === 0x74 &&
- buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x69 && buf[9] === 0x73 && buf[10] === 0x6F &&
- buf[11] === 0x6D) ||
- (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1c && buf[4] === 0x66 && buf[5] === 0x74 &&
- buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x6D && buf[9] === 0x70 && buf[10] === 0x34 &&
- buf[11] === 0x32 && buf[12] === 0x0 && buf[13] === 0x0 && buf[14] === 0x0 && buf[15] === 0x0)
- ) {
- return {
- ext: 'mp4',
- mime: 'video/mp4',
- };
- }
-
- if (
- buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1C && buf[4] === 0x66 &&
- buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x4D && buf[9] === 0x34 && buf[10] === 0x56
- ) {
- return {
- ext: 'm4v',
- mime: 'video/x-m4v',
- };
- }
-
- if (buf[0] === 0x4D && buf[1] === 0x54 && buf[2] === 0x68 && buf[3] === 0x64) {
- return {
- ext: 'mid',
- mime: 'audio/midi',
- };
- }
-
- // https://github.com/threatstack/libmagic/blob/master/magic/Magdir/matroska
- if (buf[0] === 0x1A && buf[1] === 0x45 && buf[2] === 0xDF && buf[3] === 0xA3) {
- const sliced = buf.subarray(4, 4 + 4096);
- const idPos = sliced.findIndex((el, i, arr) => arr[i] === 0x42 && arr[i + 1] === 0x82);
-
- if (idPos >= 0) {
- const docTypePos = idPos + 3;
- const findDocType = (type) => Array.from(type).every((c, i) => sliced[docTypePos + i] === c.charCodeAt(0));
-
- if (findDocType('matroska')) {
- return {
- ext: 'mkv',
- mime: 'video/x-matroska',
- };
- }
- if (findDocType('webm')) {
- return {
- ext: 'webm',
- mime: 'video/webm',
- };
- }
- }
- }
-
- if (
- buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x14 && buf[4] === 0x66 && buf[5] === 0x74 &&
- buf[6] === 0x79 && buf[7] === 0x70
- ) {
- return {
- ext: 'mov',
- mime: 'video/quicktime',
- };
- }
-
- if (
- buf[0] === 0x52 && buf[1] === 0x49 && buf[2] === 0x46 && buf[3] === 0x46 && buf[8] === 0x41 && buf[9] === 0x56 &&
- buf[10] === 0x49
- ) {
- return {
- ext: 'avi',
- mime: 'video/x-msvideo',
- };
- }
-
- if (
- buf[0] === 0x30 && buf[1] === 0x26 && buf[2] === 0xB2 && buf[3] === 0x75 && buf[4] === 0x8E && buf[5] === 0x66 &&
- buf[6] === 0xCF && buf[7] === 0x11 && buf[8] === 0xA6 && buf[9] === 0xD9
- ) {
- return {
- ext: 'wmv',
- mime: 'video/x-ms-wmv',
- };
- }
-
- if (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x1 && buf[3].toString(16)[0] === 'b') {
- return {
- ext: 'mpg',
- mime: 'video/mpeg',
- };
- }
-
- if ((buf[0] === 0x49 && buf[1] === 0x44 && buf[2] === 0x33) || (buf[0] === 0xFF && buf[1] === 0xfb)) {
- return {
- ext: 'mp3',
- mime: 'audio/mpeg',
- };
- }
-
- if ((buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x4D &&
- buf[9] === 0x34 && buf[10] === 0x41) || (buf[0] === 0x4D && buf[1] === 0x34 && buf[2] === 0x41 && buf[3] === 0x20)
- ) {
- return {
- ext: 'm4a',
- mime: 'audio/m4a',
- };
- }
-
- // needs to be before `ogg` check
- if (
- buf[28] === 0x4F && buf[29] === 0x70 && buf[30] === 0x75 && buf[31] === 0x73 && buf[32] === 0x48 &&
- buf[33] === 0x65 && buf[34] === 0x61 && buf[35] === 0x64
- ) {
- return {
- ext: 'opus',
- mime: 'audio/opus',
- };
- }
-
- if (buf[0] === 0x4F && buf[1] === 0x67 && buf[2] === 0x67 && buf[3] === 0x53) {
- return {
- ext: 'ogg',
- mime: 'audio/ogg',
- };
- }
-
- if (buf[0] === 0x66 && buf[1] === 0x4C && buf[2] === 0x61 && buf[3] === 0x43) {
- return {
- ext: 'flac',
- mime: 'audio/x-flac',
- };
- }
-
- if (
- buf[0] === 0x52 && buf[1] === 0x49 && buf[2] === 0x46 && buf[3] === 0x46 && buf[8] === 0x57 && buf[9] === 0x41 &&
- buf[10] === 0x56 && buf[11] === 0x45
- ) {
- return {
- ext: 'wav',
- mime: 'audio/x-wav',
- };
- }
-
- if (buf[0] === 0x23 && buf[1] === 0x21 && buf[2] === 0x41 && buf[3] === 0x4D && buf[4] === 0x52 && buf[5] === 0x0A) {
- return {
- ext: 'amr',
- mime: 'audio/amr',
- };
- }
-
- if (buf[0] === 0x25 && buf[1] === 0x50 && buf[2] === 0x44 && buf[3] === 0x46) {
- return {
- ext: 'pdf',
- mime: 'application/pdf',
- };
- }
-
- if (buf[0] === 0x4D && buf[1] === 0x5A) {
- return {
- ext: 'exe',
- mime: 'application/x-msdownload',
- };
- }
-
- if ((buf[0] === 0x43 || buf[0] === 0x46) && buf[1] === 0x57 && buf[2] === 0x53) {
- return {
- ext: 'swf',
- mime: 'application/x-shockwave-flash',
- };
- }
-
- if (buf[0] === 0x7B && buf[1] === 0x5C && buf[2] === 0x72 && buf[3] === 0x74 && buf[4] === 0x66) {
- return {
- ext: 'rtf',
- mime: 'application/rtf',
- };
- }
-
- if (
- (buf[0] === 0x77 && buf[1] === 0x4F && buf[2] === 0x46 && buf[3] === 0x46) &&
- (
- (buf[4] === 0x00 && buf[5] === 0x01 && buf[6] === 0x00 && buf[7] === 0x00) ||
- (buf[4] === 0x4F && buf[5] === 0x54 && buf[6] === 0x54 && buf[7] === 0x4F)
- )
- ) {
- return {
- ext: 'woff',
- mime: 'application/font-woff',
- };
- }
-
- if (
- (buf[0] === 0x77 && buf[1] === 0x4F && buf[2] === 0x46 && buf[3] === 0x32) &&
- (
- (buf[4] === 0x00 && buf[5] === 0x01 && buf[6] === 0x00 && buf[7] === 0x00) ||
- (buf[4] === 0x4F && buf[5] === 0x54 && buf[6] === 0x54 && buf[7] === 0x4F)
- )
- ) {
- return {
- ext: 'woff2',
- mime: 'application/font-woff',
- };
- }
-
- if (
- (buf[34] === 0x4C && buf[35] === 0x50) &&
- (
- (buf[8] === 0x00 && buf[9] === 0x00 && buf[10] === 0x01) ||
- (buf[8] === 0x01 && buf[9] === 0x00 && buf[10] === 0x02) ||
- (buf[8] === 0x02 && buf[9] === 0x00 && buf[10] === 0x02)
- )
- ) {
- return {
- ext: 'eot',
- mime: 'application/octet-stream',
- };
- }
-
- if (buf[0] === 0x00 && buf[1] === 0x01 && buf[2] === 0x00 && buf[3] === 0x00 && buf[4] === 0x00) {
- return {
- ext: 'ttf',
- mime: 'application/font-sfnt',
- };
- }
-
- if (buf[0] === 0x4F && buf[1] === 0x54 && buf[2] === 0x54 && buf[3] === 0x4F && buf[4] === 0x00) {
- return {
- ext: 'otf',
- mime: 'application/font-sfnt',
- };
- }
-
- if (buf[0] === 0x00 && buf[1] === 0x00 && buf[2] === 0x01 && buf[3] === 0x00) {
- return {
- ext: 'ico',
- mime: 'image/x-icon',
- };
- }
-
- if (buf[0] === 0x46 && buf[1] === 0x4C && buf[2] === 0x56 && buf[3] === 0x01) {
- return {
- ext: 'flv',
- mime: 'video/x-flv',
- };
- }
-
- if (buf[0] === 0x25 && buf[1] === 0x21) {
- return {
- ext: 'ps',
- mime: 'application/postscript',
- };
- }
-
- if (buf[0] === 0xFD && buf[1] === 0x37 && buf[2] === 0x7A && buf[3] === 0x58 && buf[4] === 0x5A && buf[5] === 0x00) {
- return {
- ext: 'xz',
- mime: 'application/x-xz',
- };
- }
-
- if (buf[0] === 0x53 && buf[1] === 0x51 && buf[2] === 0x4C && buf[3] === 0x69) {
- return {
- ext: 'sqlite',
- mime: 'application/x-sqlite3',
- };
- }
-
- if (buf[0] === 0x4E && buf[1] === 0x45 && buf[2] === 0x53 && buf[3] === 0x1A) {
- return {
- ext: 'nes',
- mime: 'application/x-nintendo-nes-rom',
- };
- }
-
- if (buf[0] === 0x43 && buf[1] === 0x72 && buf[2] === 0x32 && buf[3] === 0x34) {
- return {
- ext: 'crx',
- mime: 'application/x-google-chrome-extension',
- };
- }
-
- if (
- (buf[0] === 0x4D && buf[1] === 0x53 && buf[2] === 0x43 && buf[3] === 0x46) ||
- (buf[0] === 0x49 && buf[1] === 0x53 && buf[2] === 0x63 && buf[3] === 0x28)
- ) {
- return {
- ext: 'cab',
- mime: 'application/vnd.ms-cab-compressed',
- };
- }
-
- // needs to be before `ar` check
- if (
- buf[0] === 0x21 && buf[1] === 0x3C && buf[2] === 0x61 && buf[3] === 0x72 && buf[4] === 0x63 && buf[5] === 0x68 &&
- buf[6] === 0x3E && buf[7] === 0x0A && buf[8] === 0x64 && buf[9] === 0x65 && buf[10] === 0x62 && buf[11] === 0x69 &&
- buf[12] === 0x61 && buf[13] === 0x6E && buf[14] === 0x2D && buf[15] === 0x62 && buf[16] === 0x69 &&
- buf[17] === 0x6E && buf[18] === 0x61 && buf[19] === 0x72 && buf[20] === 0x79
- ) {
- return {
- ext: 'deb',
- mime: 'application/x-deb',
- };
- }
-
- if (
- buf[0] === 0x21 && buf[1] === 0x3C && buf[2] === 0x61 && buf[3] === 0x72 && buf[4] === 0x63 && buf[5] === 0x68 &&
- buf[6] === 0x3E
- ) {
- return {
- ext: 'ar',
- mime: 'application/x-unix-archive',
- };
- }
-
- if (buf[0] === 0xED && buf[1] === 0xAB && buf[2] === 0xEE && buf[3] === 0xDB) {
- return {
- ext: 'rpm',
- mime: 'application/x-rpm',
- };
- }
-
- if (
- (buf[0] === 0x1F && buf[1] === 0xA0) ||
- (buf[0] === 0x1F && buf[1] === 0x9D)
- ) {
- return {
- ext: 'Z',
- mime: 'application/x-compress',
- };
- }
-
- if (buf[0] === 0x4C && buf[1] === 0x5A && buf[2] === 0x49 && buf[3] === 0x50) {
- return {
- ext: 'lz',
- mime: 'application/x-lzip',
- };
- }
-
- if (
- buf[0] === 0xD0 && buf[1] === 0xCF && buf[2] === 0x11 && buf[3] === 0xE0 && buf[4] === 0xA1 && buf[5] === 0xB1 &&
- buf[6] === 0x1A && buf[7] === 0xE1
- ) {
- return {
- ext: 'msi',
- mime: 'application/x-msi',
- };
- }
-
- if (
- buf[0] === 0x06 && buf[1] === 0x0E && buf[2] === 0x2B && buf[3] === 0x34 && buf[4] === 0x02 && buf[5] === 0x05 &&
- buf[6] === 0x01 && buf[7] === 0x01 && buf[8] === 0x0D && buf[9] === 0x01 && buf[10] === 0x02 && buf[11] === 0x01 &&
- buf[12] === 0x01 && buf[13] === 0x02
- ) {
- return {
- ext: 'mxf',
- mime: 'application/mxf',
- };
- }
-
- return null;
-}
-
-module.exports = mimeOfBuffer;
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-11 04:29:34 +0000