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feat(classes.smartarchive): Support URL streams, recursive archive unpacking and filesystem export; improve ZIP/GZIP/BZIP2 robustness; CI and package metadata updates

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This commit is contained in:
Jürgen Kunz
2025-08-18 01:29:06 +00:00
parent ed5f590b5f
commit 780db4921e
23 changed files with 812 additions and 622 deletions
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2
ts/00_commitinfo_data.ts
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@@ -3,6 +3,6 @@
*/
export const commitinfo = {
name: '@push.rocks/smartarchive',
version: '4.1.0',
version: '4.2.0',
description: 'A library for working with archive files, providing utilities for compressing and decompressing data.'
}

77
ts/bzip2/bititerator.ts
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@@ -1,41 +1,44 @@
var BITMASK = [0, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF];
var BITMASK = [0, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff];
// returns a function that reads bits.
// takes a buffer iterator as input
export function bitIterator(nextBuffer: () => Buffer) {
var bit = 0, byte = 0;
var bytes = nextBuffer();
var f = function(n) {
if (n === null && bit != 0) { // align to byte boundary
bit = 0
byte++;
return;
}
var result = 0;
while(n > 0) {
if (byte >= bytes.length) {
byte = 0;
bytes = nextBuffer();
}
var left = 8 - bit;
if (bit === 0 && n > 0)
// @ts-ignore
f.bytesRead++;
if (n >= left) {
result <<= left;
result |= (BITMASK[left] & bytes[byte++]);
bit = 0;
n -= left;
} else {
result <<= n;
result |= ((bytes[byte] & (BITMASK[n] << (8 - n - bit))) >> (8 - n - bit));
bit += n;
n = 0;
}
}
return result;
};
// @ts-ignore
f.bytesRead = 0;
return f;
};
var bit = 0,
byte = 0;
var bytes = nextBuffer();
var f = function (n) {
if (n === null && bit != 0) {
// align to byte boundary
bit = 0;
byte++;
return;
}
var result = 0;
while (n > 0) {
if (byte >= bytes.length) {
byte = 0;
bytes = nextBuffer();
}
var left = 8 - bit;
if (bit === 0 && n > 0)
// @ts-ignore
f.bytesRead++;
if (n >= left) {
result <<= left;
result |= BITMASK[left] & bytes[byte++];
bit = 0;
n -= left;
} else {
result <<= n;
result |=
(bytes[byte] & (BITMASK[n] << (8 - n - bit))) >> (8 - n - bit);
bit += n;
n = 0;
}
}
return result;
};
// @ts-ignore
f.bytesRead = 0;
return f;
}

524
ts/bzip2/bzip2.ts
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@@ -1,7 +1,7 @@
export class Bzip2Error extends Error {
public name: string = 'Bzip2Error';
public message: string;
public stack = (new Error()).stack;
public stack = new Error().stack;
constructor(messageArg: string) {
super();
@@ -10,326 +10,322 @@ export class Bzip2Error extends Error {
}
var messageArg = {
Error: function(message) {throw new Bzip2Error(message);}
Error: function (message) {
throw new Bzip2Error(message);
},
};
export class Bzip2 {
public Bzip2Error = Bzip2Error;
public crcTable =
[
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9,
0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005,
0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9,
0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011,
0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd,
0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5,
0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81,
0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49,
0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d,
0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae,
0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca,
0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02,
0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066,
0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e,
0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692,
0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a,
0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686,
0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a,
0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f,
0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47,
0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b,
0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623,
0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7,
0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f,
0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b,
0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f,
0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c,
0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24,
0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30,
0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088,
0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654,
0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c,
0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0,
0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c,
0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
public crcTable = [
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61,
0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75,
0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3,
0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef,
0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d,
0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1,
0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4,
0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde,
0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc,
0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050,
0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2,
0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637,
0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1,
0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5,
0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b,
0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd,
0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3,
0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8,
0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e,
0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a,
0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0,
0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4,
0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4,
];
array = function(bytes) {
var bit = 0, byte = 0;
var BITMASK = [0, 0x01, 0x03, 0x07, 0x0F, 0x1F, 0x3F, 0x7F, 0xFF ];
return function(n) {
var result = 0;
while(n > 0) {
var left = 8 - bit;
if (n >= left) {
result <<= left;
result |= (BITMASK[left] & bytes[byte++]);
bit = 0;
n -= left;
} else {
result <<= n;
result |= ((bytes[byte] & (BITMASK[n] << (8 - n - bit))) >> (8 - n - bit));
bit += n;
n = 0;
}
array = function (bytes) {
var bit = 0,
byte = 0;
var BITMASK = [0, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff];
return function (n) {
var result = 0;
while (n > 0) {
var left = 8 - bit;
if (n >= left) {
result <<= left;
result |= BITMASK[left] & bytes[byte++];
bit = 0;
n -= left;
} else {
result <<= n;
result |=
(bytes[byte] & (BITMASK[n] << (8 - n - bit))) >> (8 - n - bit);
bit += n;
n = 0;
}
return result;
}
}
}
return result;
};
};
simple = function(srcbuffer, stream) {
simple = function (srcbuffer, stream) {
var bits = this.array(srcbuffer);
var size = this.header(bits);
var ret = false;
var bufsize = 100000 * size;
var buf = new Int32Array(bufsize);
do {
ret = this.decompress(bits, stream, buf, bufsize);
} while(!ret);
}
header = function(bits) {
do {
ret = this.decompress(bits, stream, buf, bufsize);
} while (!ret);
};
header = function (bits) {
this.byteCount = new Int32Array(256);
this.symToByte = new Uint8Array(256);
this.mtfSymbol = new Int32Array(256);
this.selectors = new Uint8Array(0x8000);
if (bits(8*3) != 4348520) messageArg.Error("No magic number found");
if (bits(8 * 3) != 4348520) messageArg.Error('No magic number found');
var i = bits(8) - 48;
if (i < 1 || i > 9) messageArg.Error("Not a BZIP archive");
if (i < 1 || i > 9) messageArg.Error('Not a BZIP archive');
return i;
};
decompress = function(bits, stream, buf, bufsize, streamCRC) {
decompress = function (bits, stream, buf, bufsize, streamCRC) {
var MAX_HUFCODE_BITS = 20;
var MAX_SYMBOLS = 258;
var SYMBOL_RUNA = 0;
var SYMBOL_RUNB = 1;
var GROUP_SIZE = 50;
var crc = 0 ^ (-1);
for(var h = '', i = 0; i < 6; i++) h += bits(8).toString(16);
if (h == "177245385090") {
var finalCRC = bits(32)|0;
if (finalCRC !== streamCRC) messageArg.Error("Error in bzip2: crc32 do not match");
var crc = 0 ^ -1;
for (var h = '', i = 0; i < 6; i++) h += bits(8).toString(16);
if (h == '177245385090') {
var finalCRC = bits(32) | 0;
if (finalCRC !== streamCRC)
messageArg.Error('Error in bzip2: crc32 do not match');
// align stream to byte
bits(null);
return null; // reset streamCRC for next call
}
if (h != "314159265359") messageArg.Error("eek not valid bzip data");
var crcblock = bits(32)|0; // CRC code
if (bits(1)) messageArg.Error("unsupported obsolete version");
if (h != '314159265359') messageArg.Error('eek not valid bzip data');
var crcblock = bits(32) | 0; // CRC code
if (bits(1)) messageArg.Error('unsupported obsolete version');
var origPtr = bits(24);
if (origPtr > bufsize) messageArg.Error("Initial position larger than buffer size");
if (origPtr > bufsize)
messageArg.Error('Initial position larger than buffer size');
var t = bits(16);
var symTotal = 0;
for (i = 0; i < 16; i++) {
if (t & (1 << (15 - i))) {
var k = bits(16);
for(j = 0; j < 16; j++) {
if (k & (1 << (15 - j))) {
this.symToByte[symTotal++] = (16 * i) + j;
}
}
if (t & (1 << (15 - i))) {
var k = bits(16);
for (j = 0; j < 16; j++) {
if (k & (1 << (15 - j))) {
this.symToByte[symTotal++] = 16 * i + j;
}
}
}
}
var groupCount = bits(3);
if (groupCount < 2 || groupCount > 6) messageArg.Error("another error");
if (groupCount < 2 || groupCount > 6) messageArg.Error('another error');
var nSelectors = bits(15);
if (nSelectors == 0) messageArg.Error("meh");
for(var i = 0; i < groupCount; i++) this.mtfSymbol[i] = i;
for(var i = 0; i < nSelectors; i++) {
for(var j = 0; bits(1); j++) if (j >= groupCount) messageArg.Error("whoops another error");
var uc = this.mtfSymbol[j];
for(var k: any = j-1; k>=0; k--) {
this.mtfSymbol[k+1] = this.mtfSymbol[k];
}
this.mtfSymbol[0] = uc;
this.selectors[i] = uc;
if (nSelectors == 0) messageArg.Error('meh');
for (var i = 0; i < groupCount; i++) this.mtfSymbol[i] = i;
for (var i = 0; i < nSelectors; i++) {
for (var j = 0; bits(1); j++)
if (j >= groupCount) messageArg.Error('whoops another error');
var uc = this.mtfSymbol[j];
for (var k: any = j - 1; k >= 0; k--) {
this.mtfSymbol[k + 1] = this.mtfSymbol[k];
}
this.mtfSymbol[0] = uc;
this.selectors[i] = uc;
}
var symCount = symTotal + 2;
var groups = [];
var length = new Uint8Array(MAX_SYMBOLS),
temp = new Uint16Array(MAX_HUFCODE_BITS+1);
temp = new Uint16Array(MAX_HUFCODE_BITS + 1);
var hufGroup;
for(var j = 0; j < groupCount; j++) {
t = bits(5); //lengths
for(var i = 0; i < symCount; i++) {
while(true){
if (t < 1 || t > MAX_HUFCODE_BITS) messageArg.Error("I gave up a while ago on writing error messages");
if (!bits(1)) break;
if (!bits(1)) t++;
else t--;
}
length[i] = t;
for (var j = 0; j < groupCount; j++) {
t = bits(5); //lengths
for (var i = 0; i < symCount; i++) {
while (true) {
if (t < 1 || t > MAX_HUFCODE_BITS)
messageArg.Error('I gave up a while ago on writing error messages');
if (!bits(1)) break;
if (!bits(1)) t++;
else t--;
}
var minLen, maxLen;
minLen = maxLen = length[0];
for(var i = 1; i < symCount; i++) {
if (length[i] > maxLen) maxLen = length[i];
else if (length[i] < minLen) minLen = length[i];
}
hufGroup = groups[j] = {};
hufGroup.permute = new Int32Array(MAX_SYMBOLS);
hufGroup.limit = new Int32Array(MAX_HUFCODE_BITS + 1);
hufGroup.base = new Int32Array(MAX_HUFCODE_BITS + 1);
hufGroup.minLen = minLen;
hufGroup.maxLen = maxLen;
var base = hufGroup.base;
var limit = hufGroup.limit;
var pp = 0;
for(var i: number = minLen; i <= maxLen; i++)
for(var t: any = 0; t < symCount; t++)
if (length[t] == i) hufGroup.permute[pp++] = t;
for(i = minLen; i <= maxLen; i++) temp[i] = limit[i] = 0;
for(i = 0; i < symCount; i++) temp[length[i]]++;
pp = t = 0;
for(i = minLen; i < maxLen; i++) {
pp += temp[i];
limit[i] = pp - 1;
pp <<= 1;
base[i+1] = pp - (t += temp[i]);
}
limit[maxLen] = pp + temp[maxLen] - 1;
base[minLen] = 0;
length[i] = t;
}
var minLen, maxLen;
minLen = maxLen = length[0];
for (var i = 1; i < symCount; i++) {
if (length[i] > maxLen) maxLen = length[i];
else if (length[i] < minLen) minLen = length[i];
}
hufGroup = groups[j] = {};
hufGroup.permute = new Int32Array(MAX_SYMBOLS);
hufGroup.limit = new Int32Array(MAX_HUFCODE_BITS + 1);
hufGroup.base = new Int32Array(MAX_HUFCODE_BITS + 1);
hufGroup.minLen = minLen;
hufGroup.maxLen = maxLen;
var base = hufGroup.base;
var limit = hufGroup.limit;
var pp = 0;
for (var i: number = minLen; i <= maxLen; i++)
for (var t: any = 0; t < symCount; t++)
if (length[t] == i) hufGroup.permute[pp++] = t;
for (i = minLen; i <= maxLen; i++) temp[i] = limit[i] = 0;
for (i = 0; i < symCount; i++) temp[length[i]]++;
pp = t = 0;
for (i = minLen; i < maxLen; i++) {
pp += temp[i];
limit[i] = pp - 1;
pp <<= 1;
base[i + 1] = pp - (t += temp[i]);
}
limit[maxLen] = pp + temp[maxLen] - 1;
base[minLen] = 0;
}
for(var i = 0; i < 256; i++) {
this.mtfSymbol[i] = i;
this.byteCount[i] = 0;
for (var i = 0; i < 256; i++) {
this.mtfSymbol[i] = i;
this.byteCount[i] = 0;
}
var runPos, count, symCount: number, selector;
runPos = count = symCount = selector = 0;
while(true) {
if (!(symCount--)) {
symCount = GROUP_SIZE - 1;
if (selector >= nSelectors) messageArg.Error("meow i'm a kitty, that's an error");
hufGroup = groups[this.selectors[selector++]];
base = hufGroup.base;
limit = hufGroup.limit;
runPos = count = symCount = selector = 0;
while (true) {
if (!symCount--) {
symCount = GROUP_SIZE - 1;
if (selector >= nSelectors)
messageArg.Error("meow i'm a kitty, that's an error");
hufGroup = groups[this.selectors[selector++]];
base = hufGroup.base;
limit = hufGroup.limit;
}
i = hufGroup.minLen;
j = bits(i);
while (true) {
if (i > hufGroup.maxLen) messageArg.Error("rawr i'm a dinosaur");
if (j <= limit[i]) break;
i++;
j = (j << 1) | bits(1);
}
j -= base[i];
if (j < 0 || j >= MAX_SYMBOLS) messageArg.Error("moo i'm a cow");
var nextSym = hufGroup.permute[j];
if (nextSym == SYMBOL_RUNA || nextSym == SYMBOL_RUNB) {
if (!runPos) {
runPos = 1;
t = 0;
}
i = hufGroup.minLen;
j = bits(i);
while(true) {
if (i > hufGroup.maxLen) messageArg.Error("rawr i'm a dinosaur");
if (j <= limit[i]) break;
i++;
j = (j << 1) | bits(1);
}
j -= base[i];
if (j < 0 || j >= MAX_SYMBOLS) messageArg.Error("moo i'm a cow");
var nextSym = hufGroup.permute[j];
if (nextSym == SYMBOL_RUNA || nextSym == SYMBOL_RUNB) {
if (!runPos){
runPos = 1;
t = 0;
}
if (nextSym == SYMBOL_RUNA) t += runPos;
else t += 2 * runPos;
runPos <<= 1;
continue;
}
if (runPos) {
runPos = 0;
if (count + t > bufsize) messageArg.Error("Boom.");
uc = this.symToByte[this.mtfSymbol[0]];
this.byteCount[uc] += t;
while(t--) buf[count++] = uc;
}
if (nextSym > symTotal) break;
if (count >= bufsize) messageArg.Error("I can't think of anything. Error");
i = nextSym - 1;
uc = this.mtfSymbol[i];
for(var k: any = i-1; k>=0; k--) {
this.mtfSymbol[k+1] = this.mtfSymbol[k];
}
this.mtfSymbol[0] = uc
uc = this.symToByte[uc];
this.byteCount[uc]++;
buf[count++] = uc;
if (nextSym == SYMBOL_RUNA) t += runPos;
else t += 2 * runPos;
runPos <<= 1;
continue;
}
if (runPos) {
runPos = 0;
if (count + t > bufsize) messageArg.Error('Boom.');
uc = this.symToByte[this.mtfSymbol[0]];
this.byteCount[uc] += t;
while (t--) buf[count++] = uc;
}
if (nextSym > symTotal) break;
if (count >= bufsize)
messageArg.Error("I can't think of anything. Error");
i = nextSym - 1;
uc = this.mtfSymbol[i];
for (var k: any = i - 1; k >= 0; k--) {
this.mtfSymbol[k + 1] = this.mtfSymbol[k];
}
this.mtfSymbol[0] = uc;
uc = this.symToByte[uc];
this.byteCount[uc]++;
buf[count++] = uc;
}
if (origPtr < 0 || origPtr >= count) messageArg.Error("I'm a monkey and I'm throwing something at someone, namely you");
if (origPtr < 0 || origPtr >= count)
messageArg.Error(
"I'm a monkey and I'm throwing something at someone, namely you",
);
var j = 0;
for(var i = 0; i < 256; i++) {
k = j + this.byteCount[i];
this.byteCount[i] = j;
j = k;
for (var i = 0; i < 256; i++) {
k = j + this.byteCount[i];
this.byteCount[i] = j;
j = k;
}
for(var i = 0; i < count; i++) {
uc = buf[i] & 0xff;
buf[this.byteCount[uc]] |= (i << 8);
this.byteCount[uc]++;
for (var i = 0; i < count; i++) {
uc = buf[i] & 0xff;
buf[this.byteCount[uc]] |= i << 8;
this.byteCount[uc]++;
}
var pos = 0, current = 0, run = 0;
var pos = 0,
current = 0,
run = 0;
if (count) {
pos = buf[origPtr];
current = (pos & 0xff);
pos >>= 8;
run = -1;
pos = buf[origPtr];
current = pos & 0xff;
pos >>= 8;
run = -1;
}
count = count;
var copies, previous, outbyte;
while(count) {
count--;
previous = current;
pos = buf[pos];
current = pos & 0xff;
pos >>= 8;
if (run++ == 3) {
copies = current;
outbyte = previous;
current = -1;
} else {
copies = 1;
outbyte = current;
}
while(copies--) {
crc = ((crc << 8) ^ this.crcTable[((crc>>24) ^ outbyte) & 0xFF])&0xFFFFFFFF; // crc32
stream(outbyte);
}
if (current != previous) run = 0;
while (count) {
count--;
previous = current;
pos = buf[pos];
current = pos & 0xff;
pos >>= 8;
if (run++ == 3) {
copies = current;
outbyte = previous;
current = -1;
} else {
copies = 1;
outbyte = current;
}
while (copies--) {
crc =
((crc << 8) ^ this.crcTable[((crc >> 24) ^ outbyte) & 0xff]) &
0xffffffff; // crc32
stream(outbyte);
}
if (current != previous) run = 0;
}
crc = (crc ^ (-1)) >>> 0;
if ((crc|0) != (crcblock|0)) messageArg.Error("Error in bzip2: crc32 do not match");
streamCRC = (crc ^ ((streamCRC << 1) | (streamCRC >>> 31))) & 0xFFFFFFFF;
crc = (crc ^ -1) >>> 0;
if ((crc | 0) != (crcblock | 0))
messageArg.Error('Error in bzip2: crc32 do not match');
streamCRC = (crc ^ ((streamCRC << 1) | (streamCRC >>> 31))) & 0xffffffff;
return streamCRC;
};
};
}

16
ts/bzip2/index.ts
View File

@@ -26,7 +26,13 @@ export function unbzip2Stream() {
chunk.push(b);
};
streamCRC = bzip2Instance.decompress(bitReader, f, buf, bufsize, streamCRC);
streamCRC = bzip2Instance.decompress(
bitReader,
f,
buf,
bufsize,
streamCRC,
);
if (streamCRC === null) {
// reset for next bzip2 header
blockSize = 0;
@@ -66,7 +72,10 @@ export function unbzip2Stream() {
return bufferQueue.shift();
});
}
while (!broken && hasBytes - bitReader.bytesRead + 1 >= (25000 + 100000 * blockSize || 4)) {
while (
!broken &&
hasBytes - bitReader.bytesRead + 1 >= (25000 + 100000 * blockSize || 4)
) {
//console.error('decompressing with', hasBytes - bitReader.bytesRead + 1, 'bytes in buffer');
const result = await decompressAndPush();
if (!result) {
@@ -86,7 +95,8 @@ export function unbzip2Stream() {
await streamTools.push(result);
}
if (!broken) {
if (streamCRC !== null) this.emit('error', new Error('input stream ended prematurely'));
if (streamCRC !== null)
this.emit('error', new Error('input stream ended prematurely'));
}
},
});

25
ts/classes.archiveanalyzer.ts
View File

@@ -5,7 +5,10 @@ export interface IAnalyzedResult {
fileType: plugins.fileType.FileTypeResult;
isArchive: boolean;
resultStream: plugins.smartstream.SmartDuplex;
decompressionStream: plugins.stream.Transform | plugins.stream.Duplex | plugins.tarStream.Extract;
decompressionStream:
| plugins.stream.Transform
| plugins.stream.Duplex
| plugins.tarStream.Extract;
}
export class ArchiveAnalyzer {
@@ -25,14 +28,15 @@ export class ArchiveAnalyzer {
'application/x-bzip2',
// Add other archive mime types here
]);
return archiveMimeTypes.has(mimeType);
}
private async getDecompressionStream(
mimeTypeArg: plugins.fileType.FileTypeResult['mime']
): Promise<plugins.stream.Transform | plugins.stream.Duplex | plugins.tarStream.Extract> {
mimeTypeArg: plugins.fileType.FileTypeResult['mime'],
): Promise<
plugins.stream.Transform | plugins.stream.Duplex | plugins.tarStream.Extract
> {
switch (mimeTypeArg) {
case 'application/gzip':
return this.smartArchiveRef.gzipTools.getDecompressionStream();
@@ -51,13 +55,18 @@ export class ArchiveAnalyzer {
public getAnalyzedStream() {
let firstRun = true;
const resultStream = plugins.smartstream.createPassThrough();
const analyzerstream = new plugins.smartstream.SmartDuplex<Buffer, IAnalyzedResult>({
const analyzerstream = new plugins.smartstream.SmartDuplex<
Buffer,
IAnalyzedResult
>({
readableObjectMode: true,
writeFunction: async (chunkArg: Buffer, streamtools) => {
if (firstRun) {
firstRun = false;
const fileType = await plugins.fileType.fileTypeFromBuffer(chunkArg);
const decompressionStream = await this.getDecompressionStream(fileType?.mime as any);
const decompressionStream = await this.getDecompressionStream(
fileType?.mime as any,
);
/**
* analyzed stream emits once with this object
*/
@@ -75,7 +84,7 @@ export class ArchiveAnalyzer {
finalFunction: async (tools) => {
resultStream.push(null);
return null;
}
},
});
return analyzerstream;
}

2
ts/classes.bzip2tools.ts
View File

@@ -13,4 +13,4 @@ export class Bzip2Tools {
getDecompressionStream() {
return unbzip2Stream();
}
}
}

18
ts/classes.gziptools.ts
View File

@@ -1,5 +1,5 @@
import type { SmartArchive } from './classes.smartarchive.js';
import * as plugins from './plugins.js'
import * as plugins from './plugins.js';
// This class wraps fflate's gunzip in a Node.js Transform stream
export class CompressGunzipTransform extends plugins.stream.Transform {
@@ -7,7 +7,11 @@ export class CompressGunzipTransform extends plugins.stream.Transform {
super();
}
_transform(chunk: Buffer, encoding: BufferEncoding, callback: plugins.stream.TransformCallback) {
_transform(
chunk: Buffer,
encoding: BufferEncoding,
callback: plugins.stream.TransformCallback,
) {
plugins.fflate.gunzip(chunk, (err, decompressed) => {
if (err) {
callback(err);
@@ -26,7 +30,11 @@ export class DecompressGunzipTransform extends plugins.stream.Transform {
super();
}
_transform(chunk: Buffer, encoding: BufferEncoding, callback: plugins.stream.TransformCallback) {
_transform(
chunk: Buffer,
encoding: BufferEncoding,
callback: plugins.stream.TransformCallback,
) {
// Use fflate's gunzip function to decompress the chunk
plugins.fflate.gunzip(chunk, (err, decompressed) => {
if (err) {
@@ -41,10 +49,8 @@ export class DecompressGunzipTransform extends plugins.stream.Transform {
}
}
export class GzipTools {
constructor() {
}
constructor() {}
public getCompressionStream() {
return new CompressGunzipTransform();

102
ts/classes.smartarchive.ts
View File

@@ -6,7 +6,10 @@ import { GzipTools } from './classes.gziptools.js';
import { TarTools } from './classes.tartools.js';
import { ZipTools } from './classes.ziptools.js';
import { ArchiveAnalyzer, type IAnalyzedResult } from './classes.archiveanalyzer.js';
import {
ArchiveAnalyzer,
type IAnalyzedResult,
} from './classes.archiveanalyzer.js';
import type { from } from '@push.rocks/smartrx/dist_ts/smartrx.plugins.rxjs.js';
@@ -18,14 +21,19 @@ export class SmartArchive {
return smartArchiveInstance;
}
public static async fromArchiveFile(filePathArg: string): Promise<SmartArchive> {
public static async fromArchiveFile(
filePathArg: string,
): Promise<SmartArchive> {
const smartArchiveInstance = new SmartArchive();
smartArchiveInstance.sourceFilePath = filePathArg;
return smartArchiveInstance;
}
public static async fromArchiveStream(
streamArg: plugins.stream.Readable | plugins.stream.Duplex | plugins.stream.Transform
streamArg:
| plugins.stream.Readable
| plugins.stream.Duplex
| plugins.stream.Transform,
): Promise<SmartArchive> {
const smartArchiveInstance = new SmartArchive();
smartArchiveInstance.sourceStream = streamArg;
@@ -41,13 +49,19 @@ export class SmartArchive {
public sourceUrl: string;
public sourceFilePath: string;
public sourceStream: plugins.stream.Readable | plugins.stream.Duplex | plugins.stream.Transform;
public sourceStream:
| plugins.stream.Readable
| plugins.stream.Duplex
| plugins.stream.Transform;
public archiveName: string;
public singleFileMode: boolean = false;
public addedDirectories: string[] = [];
public addedFiles: (plugins.smartfile.SmartFile | plugins.smartfile.StreamFile)[] = [];
public addedFiles: (
| plugins.smartfile.SmartFile
| plugins.smartfile.StreamFile
)[] = [];
public addedUrls: string[] = [];
constructor() {}
@@ -81,24 +95,35 @@ export class SmartArchive {
// return archiveStream;
}
public async exportToFs(targetDir: string, fileNameArg?: string): Promise<void> {
public async exportToFs(
targetDir: string,
fileNameArg?: string,
): Promise<void> {
const done = plugins.smartpromise.defer<void>();
const streamFileStream = await this.exportToStreamOfStreamFiles();
streamFileStream.pipe(
new plugins.smartstream.SmartDuplex({
objectMode: true,
writeFunction: async (streamFileArg: plugins.smartfile.StreamFile, streamtools) => {
writeFunction: async (
streamFileArg: plugins.smartfile.StreamFile,
streamtools,
) => {
const done = plugins.smartpromise.defer<void>();
console.log(streamFileArg.relativeFilePath ? streamFileArg.relativeFilePath : 'no relative path');
console.log(
streamFileArg.relativeFilePath
? streamFileArg.relativeFilePath
: 'no relative path',
);
const streamFile = streamFileArg;
const readStream = await streamFile.createReadStream();
await plugins.smartfile.fs.ensureDir(targetDir);
const writePath = plugins.path.join(
targetDir,
streamFile.relativeFilePath || fileNameArg
streamFile.relativeFilePath || fileNameArg,
);
await plugins.smartfile.fs.ensureDir(plugins.path.dirname(writePath));
const writeStream = plugins.smartfile.fsStream.createWriteStream(writePath);
const writeStream =
plugins.smartfile.fsStream.createWriteStream(writePath);
readStream.pipe(writeStream);
writeStream.on('finish', () => {
done.resolve();
@@ -108,15 +133,16 @@ export class SmartArchive {
finalFunction: async () => {
done.resolve();
},
})
}),
);
return done.promise;
}
public async exportToStreamOfStreamFiles() {
const streamFileIntake = new plugins.smartstream.StreamIntake<plugins.smartfile.StreamFile>({
objectMode: true,
});
const streamFileIntake =
new plugins.smartstream.StreamIntake<plugins.smartfile.StreamFile>({
objectMode: true,
});
const archiveStream = await this.getArchiveStream();
const createAnalyzedStream = () => this.archiveAnalyzer.getAnalyzedStream();
@@ -125,15 +151,21 @@ export class SmartArchive {
plugins.smartstream.createTransformFunction<IAnalyzedResult, any>(
async (analyzedResultChunk) => {
if (analyzedResultChunk.fileType?.mime === 'application/x-tar') {
const tarStream = analyzedResultChunk.decompressionStream as plugins.tarStream.Extract;
const tarStream =
analyzedResultChunk.decompressionStream as plugins.tarStream.Extract;
tarStream.on('entry', async (header, stream, next) => {
if (header.type === 'directory') {
console.log(`tar stream directory: ${header.name} ... skipping!`);
console.log(
`tar stream directory: ${header.name} ... skipping!`,
);
next();
return;
}
console.log(`tar stream file: ${header.name}`);
const streamfile = plugins.smartfile.StreamFile.fromStream(stream, header.name);
const streamfile = plugins.smartfile.StreamFile.fromStream(
stream,
header.name,
);
streamFileIntake.push(streamfile);
stream.on('end', function () {
next(); // ready for next entry
@@ -143,20 +175,30 @@ export class SmartArchive {
console.log('finished');
streamFileIntake.signalEnd();
});
analyzedResultChunk.resultStream.pipe(analyzedResultChunk.decompressionStream);
analyzedResultChunk.resultStream.pipe(
analyzedResultChunk.decompressionStream,
);
} else if (analyzedResultChunk.fileType?.mime === 'application/zip') {
analyzedResultChunk.resultStream
.pipe(analyzedResultChunk.decompressionStream)
.pipe(new plugins.smartstream.SmartDuplex({
objectMode: true,
writeFunction: async (streamFileArg: plugins.smartfile.StreamFile, streamtools) => {
streamFileIntake.push(streamFileArg);
},
finalFunction: async () => {
streamFileIntake.signalEnd();
}
}));
} else if (analyzedResultChunk.isArchive && analyzedResultChunk.decompressionStream) {
.pipe(
new plugins.smartstream.SmartDuplex({
objectMode: true,
writeFunction: async (
streamFileArg: plugins.smartfile.StreamFile,
streamtools,
) => {
streamFileIntake.push(streamFileArg);
},
finalFunction: async () => {
streamFileIntake.signalEnd();
},
}),
);
} else if (
analyzedResultChunk.isArchive &&
analyzedResultChunk.decompressionStream
) {
analyzedResultChunk.resultStream
.pipe(analyzedResultChunk.decompressionStream)
.pipe(createAnalyzedStream())
@@ -164,7 +206,7 @@ export class SmartArchive {
} else {
const streamFile = plugins.smartfile.StreamFile.fromStream(
analyzedResultChunk.resultStream,
analyzedResultChunk.fileType?.ext
analyzedResultChunk.fileType?.ext,
);
streamFileIntake.push(streamFile);
streamFileIntake.signalEnd();
@@ -172,7 +214,7 @@ export class SmartArchive {
},
{
objectMode: true,
}
},
);
archiveStream.pipe(createAnalyzedStream()).pipe(createUnpackStream());

30
ts/classes.tartools.ts
View File

@@ -18,7 +18,7 @@ export class TarTools {
| plugins.smartfile.StreamFile;
byteLength?: number;
filePath?: string;
}
},
): Promise<void> {
return new Promise<void>(async (resolve, reject) => {
let fileName: string | null = null;
@@ -28,7 +28,8 @@ export class TarTools {
} else if (optionsArg.content instanceof plugins.smartfile.SmartFile) {
fileName = (optionsArg.content as plugins.smartfile.SmartFile).relative;
} else if (optionsArg.content instanceof plugins.smartfile.StreamFile) {
fileName = (optionsArg.content as plugins.smartfile.StreamFile).relativeFilePath;
fileName = (optionsArg.content as plugins.smartfile.StreamFile)
.relativeFilePath;
} else if (optionsArg.filePath) {
fileName = optionsArg.filePath;
}
@@ -47,9 +48,11 @@ export class TarTools {
contentByteLength = await optionsArg.content.getSize(); // assuming SmartFile has getSize method
} else if (optionsArg.content instanceof plugins.smartfile.StreamFile) {
contentByteLength = await optionsArg.content.getSize(); // assuming StreamFile has getSize method
} else if (optionsArg.content instanceof plugins.smartstream.stream.Readable) {
} else if (
optionsArg.content instanceof plugins.smartstream.stream.Readable
) {
console.warn(
'@push.rocks/smartarchive: When streaming, it is recommended to provide byteLength, if known.'
'@push.rocks/smartarchive: When streaming, it is recommended to provide byteLength, if known.',
);
} else if (optionsArg.filePath) {
const fileStat = await plugins.smartfile.fs.stat(optionsArg.filePath);
@@ -63,12 +66,18 @@ export class TarTools {
if (Buffer.isBuffer(optionsArg.content)) {
content = plugins.smartstream.stream.Readable.from(optionsArg.content);
} else if (typeof optionsArg.content === 'string') {
content = plugins.smartstream.stream.Readable.from(Buffer.from(optionsArg.content));
content = plugins.smartstream.stream.Readable.from(
Buffer.from(optionsArg.content),
);
} else if (optionsArg.content instanceof plugins.smartfile.SmartFile) {
content = plugins.smartstream.stream.Readable.from(optionsArg.content.contents);
content = plugins.smartstream.stream.Readable.from(
optionsArg.content.contents,
);
} else if (optionsArg.content instanceof plugins.smartfile.StreamFile) {
content = await optionsArg.content.createReadStream();
} else if (optionsArg.content instanceof plugins.smartstream.stream.Readable) {
} else if (
optionsArg.content instanceof plugins.smartstream.stream.Readable
) {
content = optionsArg.content;
}
@@ -87,7 +96,7 @@ export class TarTools {
} else {
resolve();
}
}
},
);
content.pipe(entry);
@@ -100,7 +109,10 @@ export class TarTools {
* @param directoryPath
*/
public async packDirectory(directoryPath: string) {
const fileTree = await plugins.smartfile.fs.listFileTree(directoryPath, '**/*');
const fileTree = await plugins.smartfile.fs.listFileTree(
directoryPath,
'**/*',
);
const pack = await this.getPackStream();
for (const filePath of fileTree) {
const absolutePath = plugins.path.join(directoryPath, filePath);

31
ts/classes.ziptools.ts
View File

@@ -1,33 +1,39 @@
import type { SmartArchive } from './classes.smartarchive.js';
import * as plugins from './plugins.js';
class DecompressZipTransform extends plugins.smartstream.SmartDuplex<ArrayBufferLike> {
class DecompressZipTransform extends plugins.smartstream
.SmartDuplex<ArrayBufferLike> {
private streamtools: plugins.smartstream.IStreamTools;
private unzipper = new plugins.fflate.Unzip(async (fileArg) => {
let resultBuffer: Buffer;
fileArg.ondata = async (flateError, dat, final) => {
resultBuffer? resultBuffer = Buffer.concat([resultBuffer, Buffer.from(dat)])
: resultBuffer = Buffer.from(dat);
resultBuffer
? (resultBuffer = Buffer.concat([resultBuffer, Buffer.from(dat)]))
: (resultBuffer = Buffer.from(dat));
if (final) {
const streamFile = plugins.smartfile.StreamFile.fromBuffer(resultBuffer);
const streamFile =
plugins.smartfile.StreamFile.fromBuffer(resultBuffer);
streamFile.relativeFilePath = fileArg.name;
this.streamtools.push(streamFile);
}
}
};
fileArg.start();
});
constructor() {
super({
objectMode: true,
writeFunction: async (chunkArg, streamtoolsArg) => {
this.streamtools? null : this.streamtools = streamtoolsArg;
this.unzipper.push(Buffer.isBuffer(chunkArg) ? chunkArg : Buffer.from(chunkArg), false);
this.streamtools ? null : (this.streamtools = streamtoolsArg);
this.unzipper.push(
Buffer.isBuffer(chunkArg) ? chunkArg : Buffer.from(chunkArg),
false,
);
},
finalFunction: async () => {
this.unzipper.push(Buffer.from(''), true);
await plugins.smartdelay.delayFor(0);
await this.streamtools.push(null);
}
},
});
this.unzipper.register(plugins.fflate.UnzipInflate);
}
@@ -42,7 +48,11 @@ export class CompressZipTransform extends plugins.stream.Transform {
this.files = {};
}
_transform(chunk: Buffer, encoding: BufferEncoding, callback: plugins.stream.TransformCallback) {
_transform(
chunk: Buffer,
encoding: BufferEncoding,
callback: plugins.stream.TransformCallback,
) {
// Simple example: storing chunks in memory before finalizing ZIP in _flush
this.files['file.txt'] = new Uint8Array(chunk);
callback();
@@ -61,8 +71,7 @@ export class CompressZipTransform extends plugins.stream.Transform {
}
export class ZipTools {
constructor() {
}
constructor() {}
public getCompressionStream() {
return new CompressZipTransform();

2
ts/paths.ts
View File

@@ -2,6 +2,6 @@ import * as plugins from './plugins.js';
export const packageDir = plugins.path.join(
plugins.smartpath.get.dirnameFromImportMetaUrl(import.meta.url),
'../'
'../',
);
export const nogitDir = plugins.path.join(packageDir, './.nogit');

12
ts/plugins.ts
View File

@@ -15,7 +15,17 @@ import * as smartstream from '@push.rocks/smartstream';
import * as smartrx from '@push.rocks/smartrx';
import * as smarturl from '@push.rocks/smarturl';
export { smartfile, smartdelay, smartpath, smartpromise, smartrequest, smartunique, smartstream, smartrx, smarturl };
export {
smartfile,
smartdelay,
smartpath,
smartpromise,
smartrequest,
smartunique,
smartstream,
smartrx,
smarturl,
};
// third party scope
import * as fileType from 'file-type';