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base game

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This commit is contained in:
Johannes
2026-03-12 16:50:36 +01:00
commit 992ee59995
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120
libs/privatebin/base-x-3.0.7.js Normal file
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'use strict';
// base-x encoding / decoding
// based on https://github.com/cryptocoinjs/base-x 3.0.7
// modification: removed Buffer dependency and node.modules entry
// Copyright (c) 2018 base-x contributors
// Copyright (c) 2014-2018 The Bitcoin Core developers (base58.cpp)
// Distributed under the MIT software license, see the accompanying
// file LICENSE or http://www.opensource.org/licenses/mit-license.php.
(function(){
this.baseX = function base (ALPHABET) {
if (ALPHABET.length >= 255) { throw new TypeError('Alphabet too long') }
var BASE_MAP = new Uint8Array(256)
BASE_MAP.fill(255)
for (var i = 0; i < ALPHABET.length; i++) {
var x = ALPHABET.charAt(i)
var xc = x.charCodeAt(0)
if (BASE_MAP[xc] !== 255) { throw new TypeError(x + ' is ambiguous') }
BASE_MAP[xc] = i
}
var BASE = ALPHABET.length
var LEADER = ALPHABET.charAt(0)
var FACTOR = Math.log(BASE) / Math.log(256) // log(BASE) / log(256), rounded up
var iFACTOR = Math.log(256) / Math.log(BASE) // log(256) / log(BASE), rounded up
function encode (source) {
if (source.length === 0) { return '' }
// Skip & count leading zeroes.
var zeroes = 0
var length = 0
var pbegin = 0
var pend = source.length
while (pbegin !== pend && source[pbegin] === 0) {
pbegin++
zeroes++
}
// Allocate enough space in big-endian base58 representation.
var size = ((pend - pbegin) * iFACTOR + 1) >>> 0
var b58 = new Uint8Array(size)
// Process the bytes.
while (pbegin !== pend) {
var carry = source[pbegin]
// Apply "b58 = b58 * 256 + ch".
var i = 0
for (var it1 = size - 1; (carry !== 0 || i < length) && (it1 !== -1); it1--, i++) {
carry += (256 * b58[it1]) >>> 0
b58[it1] = (carry % BASE) >>> 0
carry = (carry / BASE) >>> 0
}
if (carry !== 0) { throw new Error('Non-zero carry') }
length = i
pbegin++
}
// Skip leading zeroes in base58 result.
var it2 = size - length
while (it2 !== size && b58[it2] === 0) {
it2++
}
// Translate the result into a string.
var str = LEADER.repeat(zeroes)
for (; it2 < size; ++it2) { str += ALPHABET.charAt(b58[it2]) }
return str
}
function decodeUnsafe (source) {
if (typeof source !== 'string') { throw new TypeError('Expected String') }
if (source.length === 0) { return '' }
var psz = 0
// Skip leading spaces.
if (source[psz] === ' ') { return }
// Skip and count leading '1's.
var zeroes = 0
var length = 0
while (source[psz] === LEADER) {
zeroes++
psz++
}
// Allocate enough space in big-endian base256 representation.
var size = (((source.length - psz) * FACTOR) + 1) >>> 0 // log(58) / log(256), rounded up.
var b256 = new Uint8Array(size)
// Process the characters.
while (source[psz]) {
// Decode character
var carry = BASE_MAP[source.charCodeAt(psz)]
// Invalid character
if (carry === 255) { return }
var i = 0
for (var it3 = size - 1; (carry !== 0 || i < length) && (it3 !== -1); it3--, i++) {
carry += (BASE * b256[it3]) >>> 0
b256[it3] = (carry % 256) >>> 0
carry = (carry / 256) >>> 0
}
if (carry !== 0) { throw new Error('Non-zero carry') }
length = i
psz++
}
// Skip trailing spaces.
if (source[psz] === ' ') { return }
// Skip leading zeroes in b256.
var it4 = size - length
while (it4 !== size && b256[it4] === 0) {
it4++
}
var vch = []
var j = zeroes
while (it4 !== size) {
vch[j++] = b256[it4++]
}
return vch
}
function decode (string) {
var buffer = decodeUnsafe(string)
if (buffer) { return buffer }
throw new Error('Non-base' + BASE + ' character')
}
return {
encode: encode,
decodeUnsafe: decodeUnsafe,
decode: decode
}
}
}).call(this);

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libs/privatebin/rawinflate-0.3.js Normal file
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/*
* $Id: rawinflate.js,v 0.3 2013/04/09 14:25:38 dankogai Exp dankogai $
*
* GNU General Public License, version 2 (GPL-2.0)
* https://opensource.org/licenses/GPL-2.0
* original:
* http://www.onicos.com/staff/iz/amuse/javascript/expert/inflate.txt
*/
(function(ctx){
/* Copyright (C) 1999 Masanao Izumo <iz@onicos.co.jp>
* Version: 1.0.0.1
* LastModified: Dec 25 1999
*/
/* Interface:
* data = zip_inflate(src);
*/
/* constant parameters */
var zip_WSIZE = 32768; // Sliding Window size
var zip_STORED_BLOCK = 0;
var zip_STATIC_TREES = 1;
var zip_DYN_TREES = 2;
/* for inflate */
var zip_lbits = 9; // bits in base literal/length lookup table
var zip_dbits = 6; // bits in base distance lookup table
var zip_INBUFSIZ = 32768; // Input buffer size
var zip_INBUF_EXTRA = 64; // Extra buffer
/* variables (inflate) */
var zip_slide;
var zip_wp; // current position in slide
var zip_fixed_tl = null; // inflate static
var zip_fixed_td; // inflate static
var zip_fixed_bl, fixed_bd; // inflate static
var zip_bit_buf; // bit buffer
var zip_bit_len; // bits in bit buffer
var zip_method;
var zip_eof;
var zip_copy_leng;
var zip_copy_dist;
var zip_tl, zip_td; // literal/length and distance decoder tables
var zip_bl, zip_bd; // number of bits decoded by tl and td
var zip_inflate_data;
var zip_inflate_pos;
/* constant tables (inflate) */
var zip_MASK_BITS = new Array(
0x0000,
0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff,
0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff);
// Tables for deflate from PKZIP's appnote.txt.
var zip_cplens = new Array( // Copy lengths for literal codes 257..285
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0);
/* note: see note #13 above about the 258 in this list. */
var zip_cplext = new Array( // Extra bits for literal codes 257..285
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2,
3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 99, 99); // 99==invalid
var zip_cpdist = new Array( // Copy offsets for distance codes 0..29
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577);
var zip_cpdext = new Array( // Extra bits for distance codes
0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6,
7, 7, 8, 8, 9, 9, 10, 10, 11, 11,
12, 12, 13, 13);
var zip_border = new Array( // Order of the bit length code lengths
16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15);
/* objects (inflate) */
var zip_HuftList = function() {
this.next = null;
this.list = null;
}
var zip_HuftNode = function() {
this.e = 0; // number of extra bits or operation
this.b = 0; // number of bits in this code or subcode
// union
this.n = 0; // literal, length base, or distance base
this.t = null; // (zip_HuftNode) pointer to next level of table
}
var zip_HuftBuild = function(b, // code lengths in bits (all assumed <= BMAX)
n, // number of codes (assumed <= N_MAX)
s, // number of simple-valued codes (0..s-1)
d, // list of base values for non-simple codes
e, // list of extra bits for non-simple codes
mm // maximum lookup bits
) {
this.BMAX = 16; // maximum bit length of any code
this.N_MAX = 288; // maximum number of codes in any set
this.status = 0; // 0: success, 1: incomplete table, 2: bad input
this.root = null; // (zip_HuftList) starting table
this.m = 0; // maximum lookup bits, returns actual
/* Given a list of code lengths and a maximum table size, make a set of
tables to decode that set of codes. Return zero on success, one if
the given code set is incomplete (the tables are still built in this
case), two if the input is invalid (all zero length codes or an
oversubscribed set of lengths), and three if not enough memory.
The code with value 256 is special, and the tables are constructed
so that no bits beyond that code are fetched when that code is
decoded. */
{
var a; // counter for codes of length k
var c = new Array(this.BMAX+1); // bit length count table
var el; // length of EOB code (value 256)
var f; // i repeats in table every f entries
var g; // maximum code length
var h; // table level
var i; // counter, current code
var j; // counter
var k; // number of bits in current code
var lx = new Array(this.BMAX+1); // stack of bits per table
var p; // pointer into c[], b[], or v[]
var pidx; // index of p
var q; // (zip_HuftNode) points to current table
var r = new zip_HuftNode(); // table entry for structure assignment
var u = new Array(this.BMAX); // zip_HuftNode[BMAX][] table stack
var v = new Array(this.N_MAX); // values in order of bit length
var w;
var x = new Array(this.BMAX+1);// bit offsets, then code stack
var xp; // pointer into x or c
var y; // number of dummy codes added
var z; // number of entries in current table
var o;
var tail; // (zip_HuftList)
tail = this.root = null;
for(i = 0; i < c.length; i++)
c[i] = 0;
for(i = 0; i < lx.length; i++)
lx[i] = 0;
for(i = 0; i < u.length; i++)
u[i] = null;
for(i = 0; i < v.length; i++)
v[i] = 0;
for(i = 0; i < x.length; i++)
x[i] = 0;
// Generate counts for each bit length
el = n > 256 ? b[256] : this.BMAX; // set length of EOB code, if any
p = b; pidx = 0;
i = n;
do {
c[p[pidx]]++; // assume all entries <= BMAX
pidx++;
} while(--i > 0);
if(c[0] == n) { // null input--all zero length codes
this.root = null;
this.m = 0;
this.status = 0;
return;
}
// Find minimum and maximum length, bound *m by those
for(j = 1; j <= this.BMAX; j++)
if(c[j] != 0)
break;
k = j; // minimum code length
if(mm < j)
mm = j;
for(i = this.BMAX; i != 0; i--)
if(c[i] != 0)
break;
g = i; // maximum code length
if(mm > i)
mm = i;
// Adjust last length count to fill out codes, if needed
for(y = 1 << j; j < i; j++, y <<= 1)
if((y -= c[j]) < 0) {
this.status = 2; // bad input: more codes than bits
this.m = mm;
return;
}
if((y -= c[i]) < 0) {
this.status = 2;
this.m = mm;
return;
}
c[i] += y;
// Generate starting offsets into the value table for each length
x[1] = j = 0;
p = c;
pidx = 1;
xp = 2;
while(--i > 0) // note that i == g from above
x[xp++] = (j += p[pidx++]);
// Make a table of values in order of bit lengths
p = b; pidx = 0;
i = 0;
do {
if((j = p[pidx++]) != 0)
v[x[j]++] = i;
} while(++i < n);
n = x[g]; // set n to length of v
// Generate the Huffman codes and for each, make the table entries
x[0] = i = 0; // first Huffman code is zero
p = v; pidx = 0; // grab values in bit order
h = -1; // no tables yet--level -1
w = lx[0] = 0; // no bits decoded yet
q = null; // ditto
z = 0; // ditto
// go through the bit lengths (k already is bits in shortest code)
for(; k <= g; k++) {
a = c[k];
while(a-- > 0) {
// here i is the Huffman code of length k bits for value p[pidx]
// make tables up to required level
while(k > w + lx[1 + h]) {
w += lx[1 + h]; // add bits already decoded
h++;
// compute minimum size table less than or equal to *m bits
z = (z = g - w) > mm ? mm : z; // upper limit
if((f = 1 << (j = k - w)) > a + 1) { // try a k-w bit table
// too few codes for k-w bit table
f -= a + 1; // deduct codes from patterns left
xp = k;
while(++j < z) { // try smaller tables up to z bits
if((f <<= 1) <= c[++xp])
break; // enough codes to use up j bits
f -= c[xp]; // else deduct codes from patterns
}
}
if(w + j > el && w < el)
j = el - w; // make EOB code end at table
z = 1 << j; // table entries for j-bit table
lx[1 + h] = j; // set table size in stack
// allocate and link in new table
q = new Array(z);
for(o = 0; o < z; o++) {
q[o] = new zip_HuftNode();
}
if(tail == null)
tail = this.root = new zip_HuftList();
else
tail = tail.next = new zip_HuftList();
tail.next = null;
tail.list = q;
u[h] = q; // table starts after link
/* connect to last table, if there is one */
if(h > 0) {
x[h] = i; // save pattern for backing up
r.b = lx[h]; // bits to dump before this table
r.e = 16 + j; // bits in this table
r.t = q; // pointer to this table
j = (i & ((1 << w) - 1)) >> (w - lx[h]);
u[h-1][j].e = r.e;
u[h-1][j].b = r.b;
u[h-1][j].n = r.n;
u[h-1][j].t = r.t;
}
}
// set up table entry in r
r.b = k - w;
if(pidx >= n)
r.e = 99; // out of values--invalid code
else if(p[pidx] < s) {
r.e = (p[pidx] < 256 ? 16 : 15); // 256 is end-of-block code
r.n = p[pidx++]; // simple code is just the value
} else {
r.e = e[p[pidx] - s]; // non-simple--look up in lists
r.n = d[p[pidx++] - s];
}
// fill code-like entries with r //
f = 1 << (k - w);
for(j = i >> w; j < z; j += f) {
q[j].e = r.e;
q[j].b = r.b;
q[j].n = r.n;
q[j].t = r.t;
}
// backwards increment the k-bit code i
for(j = 1 << (k - 1); (i & j) != 0; j >>= 1)
i ^= j;
i ^= j;
// backup over finished tables
while((i & ((1 << w) - 1)) != x[h]) {
w -= lx[h]; // don't need to update q
h--;
}
}
}
/* return actual size of base table */
this.m = lx[1];
/* Return true (1) if we were given an incomplete table */
this.status = ((y != 0 && g != 1) ? 1 : 0);
} /* end of constructor */
}
/* routines (inflate) */
var zip_GET_BYTE = function() {
if(zip_inflate_data.length == zip_inflate_pos)
return -1;
return zip_inflate_data.charCodeAt(zip_inflate_pos++) & 0xff;
}
var zip_NEEDBITS = function(n) {
while(zip_bit_len < n) {
zip_bit_buf |= zip_GET_BYTE() << zip_bit_len;
zip_bit_len += 8;
}
}
var zip_GETBITS = function(n) {
return zip_bit_buf & zip_MASK_BITS[n];
}
var zip_DUMPBITS = function(n) {
zip_bit_buf >>= n;
zip_bit_len -= n;
}
var zip_inflate_codes = function(buff, off, size) {
/* inflate (decompress) the codes in a deflated (compressed) block.
Return an error code or zero if it all goes ok. */
var e; // table entry flag/number of extra bits
var t; // (zip_HuftNode) pointer to table entry
var n;
if(size == 0)
return 0;
// inflate the coded data
n = 0;
for(;;) { // do until end of block
zip_NEEDBITS(zip_bl);
t = zip_tl.list[zip_GETBITS(zip_bl)];
e = t.e;
while(e > 16) {
if(e == 99)
return -1;
zip_DUMPBITS(t.b);
e -= 16;
zip_NEEDBITS(e);
t = t.t[zip_GETBITS(e)];
e = t.e;
}
zip_DUMPBITS(t.b);
if(e == 16) { // then it's a literal
zip_wp &= zip_WSIZE - 1;
buff[off + n++] = zip_slide[zip_wp++] = t.n;
if(n == size)
return size;
continue;
}
// exit if end of block
if(e == 15)
break;
// it's an EOB or a length
// get length of block to copy
zip_NEEDBITS(e);
zip_copy_leng = t.n + zip_GETBITS(e);
zip_DUMPBITS(e);
// decode distance of block to copy
zip_NEEDBITS(zip_bd);
t = zip_td.list[zip_GETBITS(zip_bd)];
e = t.e;
while(e > 16) {
if(e == 99)
return -1;
zip_DUMPBITS(t.b);
e -= 16;
zip_NEEDBITS(e);
t = t.t[zip_GETBITS(e)];
e = t.e;
}
zip_DUMPBITS(t.b);
zip_NEEDBITS(e);
zip_copy_dist = zip_wp - t.n - zip_GETBITS(e);
zip_DUMPBITS(e);
// do the copy
while(zip_copy_leng > 0 && n < size) {
zip_copy_leng--;
zip_copy_dist &= zip_WSIZE - 1;
zip_wp &= zip_WSIZE - 1;
buff[off + n++] = zip_slide[zip_wp++]
= zip_slide[zip_copy_dist++];
}
if(n == size)
return size;
}
zip_method = -1; // done
return n;
}
var zip_inflate_stored = function(buff, off, size) {
/* "decompress" an inflated type 0 (stored) block. */
var n;
// go to byte boundary
n = zip_bit_len & 7;
zip_DUMPBITS(n);
// get the length and its complement
zip_NEEDBITS(16);
n = zip_GETBITS(16);
zip_DUMPBITS(16);
zip_NEEDBITS(16);
if(n != ((~zip_bit_buf) & 0xffff))
return -1; // error in compressed data
zip_DUMPBITS(16);
// read and output the compressed data
zip_copy_leng = n;
n = 0;
while(zip_copy_leng > 0 && n < size) {
zip_copy_leng--;
zip_wp &= zip_WSIZE - 1;
zip_NEEDBITS(8);
buff[off + n++] = zip_slide[zip_wp++] =
zip_GETBITS(8);
zip_DUMPBITS(8);
}
if(zip_copy_leng == 0)
zip_method = -1; // done
return n;
}
var zip_inflate_fixed = function(buff, off, size) {
/* decompress an inflated type 1 (fixed Huffman codes) block. We should
either replace this with a custom decoder, or at least precompute the
Huffman tables. */
// if first time, set up tables for fixed blocks
if(zip_fixed_tl == null) {
var i; // temporary variable
var l = new Array(288); // length list for huft_build
var h; // zip_HuftBuild
// literal table
for(i = 0; i < 144; i++)
l[i] = 8;
for(; i < 256; i++)
l[i] = 9;
for(; i < 280; i++)
l[i] = 7;
for(; i < 288; i++) // make a complete, but wrong code set
l[i] = 8;
zip_fixed_bl = 7;
h = new zip_HuftBuild(l, 288, 257, zip_cplens, zip_cplext,
zip_fixed_bl);
if(h.status != 0) {
alert("HufBuild error: "+h.status);
return -1;
}
zip_fixed_tl = h.root;
zip_fixed_bl = h.m;
// distance table
for(i = 0; i < 30; i++) // make an incomplete code set
l[i] = 5;
zip_fixed_bd = 5;
h = new zip_HuftBuild(l, 30, 0, zip_cpdist, zip_cpdext, zip_fixed_bd);
if(h.status > 1) {
zip_fixed_tl = null;
alert("HufBuild error: "+h.status);
return -1;
}
zip_fixed_td = h.root;
zip_fixed_bd = h.m;
}
zip_tl = zip_fixed_tl;
zip_td = zip_fixed_td;
zip_bl = zip_fixed_bl;
zip_bd = zip_fixed_bd;
return zip_inflate_codes(buff, off, size);
}
var zip_inflate_dynamic = function(buff, off, size) {
// decompress an inflated type 2 (dynamic Huffman codes) block.
var i; // temporary variables
var j;
var l; // last length
var n; // number of lengths to get
var t; // (zip_HuftNode) literal/length code table
var nb; // number of bit length codes
var nl; // number of literal/length codes
var nd; // number of distance codes
var ll = new Array(286+30); // literal/length and distance code lengths
var h; // (zip_HuftBuild)
for(i = 0; i < ll.length; i++)
ll[i] = 0;
// read in table lengths
zip_NEEDBITS(5);
nl = 257 + zip_GETBITS(5); // number of literal/length codes
zip_DUMPBITS(5);
zip_NEEDBITS(5);
nd = 1 + zip_GETBITS(5); // number of distance codes
zip_DUMPBITS(5);
zip_NEEDBITS(4);
nb = 4 + zip_GETBITS(4); // number of bit length codes
zip_DUMPBITS(4);
if(nl > 286 || nd > 30)
return -1; // bad lengths
// read in bit-length-code lengths
for(j = 0; j < nb; j++)
{
zip_NEEDBITS(3);
ll[zip_border[j]] = zip_GETBITS(3);
zip_DUMPBITS(3);
}
for(; j < 19; j++)
ll[zip_border[j]] = 0;
// build decoding table for trees--single level, 7 bit lookup
zip_bl = 7;
h = new zip_HuftBuild(ll, 19, 19, null, null, zip_bl);
if(h.status != 0)
return -1; // incomplete code set
zip_tl = h.root;
zip_bl = h.m;
// read in literal and distance code lengths
n = nl + nd;
i = l = 0;
while(i < n) {
zip_NEEDBITS(zip_bl);
t = zip_tl.list[zip_GETBITS(zip_bl)];
j = t.b;
zip_DUMPBITS(j);
j = t.n;
if(j < 16) // length of code in bits (0..15)
ll[i++] = l = j; // save last length in l
else if(j == 16) { // repeat last length 3 to 6 times
zip_NEEDBITS(2);
j = 3 + zip_GETBITS(2);
zip_DUMPBITS(2);
if(i + j > n)
return -1;
while(j-- > 0)
ll[i++] = l;
} else if(j == 17) { // 3 to 10 zero length codes
zip_NEEDBITS(3);
j = 3 + zip_GETBITS(3);
zip_DUMPBITS(3);
if(i + j > n)
return -1;
while(j-- > 0)
ll[i++] = 0;
l = 0;
} else { // j == 18: 11 to 138 zero length codes
zip_NEEDBITS(7);
j = 11 + zip_GETBITS(7);
zip_DUMPBITS(7);
if(i + j > n)
return -1;
while(j-- > 0)
ll[i++] = 0;
l = 0;
}
}
// build the decoding tables for literal/length and distance codes
zip_bl = zip_lbits;
h = new zip_HuftBuild(ll, nl, 257, zip_cplens, zip_cplext, zip_bl);
if(zip_bl == 0) // no literals or lengths
h.status = 1;
if(h.status != 0) {
if(h.status == 1)
;// **incomplete literal tree**
return -1; // incomplete code set
}
zip_tl = h.root;
zip_bl = h.m;
for(i = 0; i < nd; i++)
ll[i] = ll[i + nl];
zip_bd = zip_dbits;
h = new zip_HuftBuild(ll, nd, 0, zip_cpdist, zip_cpdext, zip_bd);
zip_td = h.root;
zip_bd = h.m;
if(zip_bd == 0 && nl > 257) { // lengths but no distances
// **incomplete distance tree**
return -1;
}
if(h.status == 1) {
;// **incomplete distance tree**
}
if(h.status != 0)
return -1;
// decompress until an end-of-block code
return zip_inflate_codes(buff, off, size);
}
var zip_inflate_start = function() {
var i;
if(zip_slide == null)
zip_slide = new Array(2 * zip_WSIZE);
zip_wp = 0;
zip_bit_buf = 0;
zip_bit_len = 0;
zip_method = -1;
zip_eof = false;
zip_copy_leng = zip_copy_dist = 0;
zip_tl = null;
}
var zip_inflate_internal = function(buff, off, size) {
// decompress an inflated entry
var n, i;
n = 0;
while(n < size) {
if(zip_eof && zip_method == -1)
return n;
if(zip_copy_leng > 0) {
if(zip_method != zip_STORED_BLOCK) {
// STATIC_TREES or DYN_TREES
while(zip_copy_leng > 0 && n < size) {
zip_copy_leng--;
zip_copy_dist &= zip_WSIZE - 1;
zip_wp &= zip_WSIZE - 1;
buff[off + n++] = zip_slide[zip_wp++] =
zip_slide[zip_copy_dist++];
}
} else {
while(zip_copy_leng > 0 && n < size) {
zip_copy_leng--;
zip_wp &= zip_WSIZE - 1;
zip_NEEDBITS(8);
buff[off + n++] = zip_slide[zip_wp++] = zip_GETBITS(8);
zip_DUMPBITS(8);
}
if(zip_copy_leng == 0)
zip_method = -1; // done
}
if(n == size)
return n;
}
if(zip_method == -1) {
if(zip_eof)
break;
// read in last block bit
zip_NEEDBITS(1);
if(zip_GETBITS(1) != 0)
zip_eof = true;
zip_DUMPBITS(1);
// read in block type
zip_NEEDBITS(2);
zip_method = zip_GETBITS(2);
zip_DUMPBITS(2);
zip_tl = null;
zip_copy_leng = 0;
}
switch(zip_method) {
case 0: // zip_STORED_BLOCK
i = zip_inflate_stored(buff, off + n, size - n);
break;
case 1: // zip_STATIC_TREES
if(zip_tl != null)
i = zip_inflate_codes(buff, off + n, size - n);
else
i = zip_inflate_fixed(buff, off + n, size - n);
break;
case 2: // zip_DYN_TREES
if(zip_tl != null)
i = zip_inflate_codes(buff, off + n, size - n);
else
i = zip_inflate_dynamic(buff, off + n, size - n);
break;
default: // error
i = -1;
break;
}
if(i == -1) {
if(zip_eof)
return 0;
return -1;
}
n += i;
}
return n;
}
var zip_inflate = function(str) {
var i, j;
zip_inflate_start();
zip_inflate_data = str;
zip_inflate_pos = 0;
var buff = new Array(1024);
var aout = [];
while((i = zip_inflate_internal(buff, 0, buff.length)) > 0) {
var cbuf = new Array(i);
for(j = 0; j < i; j++){
cbuf[j] = String.fromCharCode(buff[j]);
}
aout[aout.length] = cbuf.join("");
}
zip_inflate_data = null; // G.C.
return aout.join("");
}
if (! ctx.RawDeflate) ctx.RawDeflate = {};
ctx.RawDeflate.inflate = zip_inflate;
})(this);

150
libs/privatebin/zlib-1.2.11.js Normal file
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'use strict';
(function() {
let ret;
async function initialize() {
if (ret) return ret;
const COMPRESSION_LEVEL = 7;
const NO_ZLIB_HEADER = -1;
const CHUNK_SIZE = 32 * 1024;
const map = {};
const memory = new WebAssembly.Memory({
initial: 1,
maximum: 1024, // 64MB
});
const env = {
memory,
writeToJs(ptr, size) {
const o = map[ptr];
o.onData(new Uint8Array(memory.buffer, dstPtr, size));
},
_abort: errno => { console.error(`Error: ${errno}`) },
_grow: () => { },
};
let buff;
if (typeof fetch === 'undefined') {
buff = fs.readFileSync('zlib-1.2.11.wasm');
} else {
const resp = await fetch(`${window.IS_RAW ? 'dist/' : ''}libs/privatebin/zlib-1.2.11.wasm`);
buff = await resp.arrayBuffer();
}
const module = await WebAssembly.compile(buff);
const ins = await WebAssembly.instantiate(module, { env });
const srcPtr = ins.exports._malloc(CHUNK_SIZE);
const dstPtr = ins.exports._malloc(CHUNK_SIZE);
class RawDef {
constructor() {
this.zstreamPtr = ins.exports._createDeflateContext(COMPRESSION_LEVEL, NO_ZLIB_HEADER);
map[this.zstreamPtr] = this;
this.offset = 0;
this.buff = new Uint8Array(CHUNK_SIZE);
}
deflate(chunk, flush) {
const src = new Uint8Array(memory.buffer, srcPtr, chunk.length);
src.set(chunk);
ins.exports._deflate(this.zstreamPtr, srcPtr, dstPtr, chunk.length, CHUNK_SIZE, flush);
}
onData(chunk) {
if (this.buff.length < this.offset + chunk.length) {
const buff = this.buff;
this.buff = new Uint8Array(this.buff.length * 2);
this.buff.set(buff);
}
this.buff.set(chunk, this.offset);
this.offset += chunk.length;
}
destroy() {
ins.exports._freeDeflateContext(this.zstreamPtr);
delete map[this.zstreamPtr];
this.buff = null;
}
getBuffer() {
const res = new Uint8Array(this.offset);
for (let i = 0; i < this.offset; ++i) {
res[i] = this.buff[i];
}
return res;
}
}
class RawInf {
constructor() {
this.zstreamPtr = ins.exports._createInflateContext(NO_ZLIB_HEADER);
map[this.zstreamPtr] = this;
this.offset = 0;
this.buff = new Uint8Array(CHUNK_SIZE);
}
inflate(chunk) {
const src = new Uint8Array(memory.buffer, srcPtr, chunk.length);
src.set(chunk);
ins.exports._inflate(this.zstreamPtr, srcPtr, dstPtr, chunk.length, CHUNK_SIZE);
}
onData(chunk) {
if (this.buff.length < this.offset + chunk.length) {
const buff = this.buff;
this.buff = new Uint8Array(this.buff.length * 2);
this.buff.set(buff);
}
this.buff.set(chunk, this.offset);
this.offset += chunk.length;
}
destroy() {
ins.exports._freeInflateContext(this.zstreamPtr);
delete map[this.zstreamPtr];
this.buff = null;
}
getBuffer() {
const res = new Uint8Array(this.offset);
for (let i = 0; i < this.offset; ++i) {
res[i] = this.buff[i];
}
return res;
}
}
ret = {
inflate(rawDeflateBuffer) {
const rawInf = new RawInf();
for (let offset = 0; offset < rawDeflateBuffer.length; offset += CHUNK_SIZE) {
const end = Math.min(offset + CHUNK_SIZE, rawDeflateBuffer.length);
const chunk = rawDeflateBuffer.subarray(offset, end);
rawInf.inflate(chunk);
}
const ret = rawInf.getBuffer();
rawInf.destroy();
return ret;
},
deflate(rawInflateBuffer) {
const rawDef = new RawDef();
for (let offset = 0; offset < rawInflateBuffer.length; offset += CHUNK_SIZE) {
const end = Math.min(offset + CHUNK_SIZE, rawInflateBuffer.length);
const chunk = rawInflateBuffer.subarray(offset, end);
rawDef.deflate(chunk, rawInflateBuffer.length <= offset + CHUNK_SIZE);
}
const ret = rawDef.getBuffer();
rawDef.destroy();
return ret;
},
}
return ret;
}
this.zlib = initialize();
}).call(this);
let z = zlib.then(function(value) {
z = value;
});