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Diffstat (limited to 'scripts/minimaws/lib/assets/romident.js')
-rw-r--r--scripts/minimaws/lib/assets/romident.js485
1 files changed, 485 insertions, 0 deletions
diff --git a/scripts/minimaws/lib/assets/romident.js b/scripts/minimaws/lib/assets/romident.js
new file mode 100644
index 00000000000..0e77d62ca25
--- /dev/null
+++ b/scripts/minimaws/lib/assets/romident.js
@@ -0,0 +1,485 @@
+// license:BSD-3-Clause
+// copyright-holders:Vas Crabb
+
+var matched_names = new Array();
+var unmatched_names = new Array();
+var dump_info = Object.create(null);
+var machine_info = Object.create(null);
+var crc_table = new Uint32Array(256);
+
+for (var i = 0; i < 256; i++)
+{
+ var crc = i;
+ for (var b = 0; b < 8; b++)
+ crc = (crc >>> 1) ^ ((crc & 1) ? 0xedb88320 : 0x00000000);
+ crc_table[i] = crc;
+}
+
+
+function get_chd_sha1(header)
+{
+ if (header.byteLength < 16)
+ return null;
+ if (String.fromCharCode.apply(null, new Uint8Array(header, 0, 8)) != 'MComprHD')
+ return null;
+ var view = new DataView(header);
+ var headerlen = view.getUint32(8, false);
+ var version = view.getUint32(12, false);
+ var sha1offs;
+ if (version == 3)
+ {
+ if (headerlen != 120)
+ return null;
+ sha1offs = 80;
+ }
+ else if (version == 4)
+ {
+ if (headerlen != 108)
+ return null;
+ sha1offs = 48;
+ }
+ else if (version == 5)
+ {
+ if (headerlen != 124)
+ return null;
+ sha1offs = 84;
+ }
+ else
+ {
+ return null;
+ }
+ if (header.byteLength < (sha1offs + 20))
+ return null;
+ return Array.from(new Uint8Array(header, sha1offs, 20)).map(x => x.toString(16).padStart(2, '0')).join('');
+}
+
+
+function get_sha1_group(sha1)
+{
+ if (Object.hasOwnProperty.call(dump_info, sha1))
+ {
+ return dump_info[sha1];
+ }
+ else
+ {
+ var result = new Object();
+ result.crc = Object.create(null);
+ dump_info[sha1] = result;
+ return result;
+ }
+}
+
+
+function add_matches(table, names, matches)
+{
+ for (var i = 0; i < names.length; i++)
+ {
+ var row = table.appendChild(document.createElement('tr'));
+ var name = row.appendChild(document.createElement('th'));
+ name.textContent = names[i];
+ if (matches !== null)
+ {
+ name.setAttribute('rowspan', matches.length);
+ row.appendChild(document.createElement('td')).textContent = matches[0].name;
+ var bad = row.appendChild(document.createElement('td'));
+ if (matches[0].bad)
+ bad.textContent = 'BAD';
+ for (var j = 1; j < matches.length; j++)
+ {
+ row = table.appendChild(document.createElement('tr'));
+ row.appendChild(document.createElement('td')).textContent = matches[j].name;
+ bad = row.appendChild(document.createElement('td'));
+ if (matches[j].bad)
+ bad.textContent = 'BAD';
+ }
+ }
+ }
+}
+
+
+function add_unmatched(names, crc, sha1)
+{
+ var table;
+ if (unmatched_names.length > 0)
+ {
+ table = document.getElementById('table-unmatched');
+ }
+ else
+ {
+ var div = document.getElementById('div-machines');
+ var heading = document.body.insertBefore(document.createElement('h2'), div);
+ heading.textContent = 'Unmatched';
+ table = document.body.insertBefore(document.createElement('table'), div);
+ table.setAttribute('id', 'table-unmatched');
+ }
+ var row = table.appendChild(document.createElement('tr'));
+ var content;
+ if (crc === null)
+ {
+ content = 'SHA1(' + sha1 + ')';
+ }
+ else
+ {
+ if (crc < 0)
+ crc = 0xffffffff + crc + 1;
+ content = 'CRC(' + crc.toString(16).padStart(8, '0') + ') SHA1(' + sha1 + ')';
+ }
+ for (var i = 0; i < names.length; i++)
+ {
+ row.appendChild(document.createElement('th')).textContent = names[i];
+ row.appendChild(document.createElement('td')).textContent = content;
+ unmatched_names.push(names[i]);
+ }
+}
+
+
+function get_machine_table(shortname, description)
+{
+ if (Object.hasOwnProperty.call(machine_info, shortname))
+ {
+ return machine_info[shortname];
+ }
+ else
+ {
+ var div = document.getElementById('div-machines');
+ var heading = div.appendChild(document.createElement('h2'));
+ var link = heading.appendChild(document.createElement('a'));
+ link.textContent = description;
+ link.setAttribute('href', appurl + 'machine/' + shortname);
+ var table = div.appendChild(document.createElement('table'));
+ machine_info[shortname] = table;
+ add_matches(table, matched_names, null);
+ return table;
+ }
+}
+
+
+function request_dumps(name, group, crc, sha1, url, progress)
+{
+ var req = new XMLHttpRequest();
+ req.responseType = 'json';
+ req.onload =
+ function ()
+ {
+ if (req.status == 200)
+ {
+ var machines = Object.create(null);
+ if (Object.keys(req.response).length > 0)
+ {
+ Object.keys(machine_info).forEach(
+ function (shortname)
+ {
+ var table = machine_info[shortname];
+ if (Object.hasOwnProperty.call(req.response, shortname))
+ {
+ machines[shortname] = req.response[shortname].matches;
+ add_matches(table, group.names, req.response[shortname].matches);
+ delete req.response[shortname];
+ }
+ else
+ {
+ add_matches(table, group.names, null);
+ }
+ });
+ Object.keys(req.response).forEach(
+ function (shortname)
+ {
+ var info = req.response[shortname];
+ var table = get_machine_table(shortname, info.description);
+ machines[shortname] = req.response[shortname].matches;
+ add_matches(table, group.names, info.matches);
+ });
+ for (var i = 0; i < group.names.length; i++)
+ matched_names.push(group.names[i]);
+ }
+ else
+ {
+ add_unmatched(group.names, crc, sha1);
+ }
+ group.machines = machines;
+ progress.parentNode.removeChild(progress);
+ }
+ else
+ {
+ progress.textContent = 'Error identifying \u201C' + name + '\u201D: HTTP status code ' + req.status.toString(10);
+ if (crc !== null)
+ delete dump_info[sha1].crc[crc];
+ else
+ delete dump_info[sha1].disk;
+ }
+ };
+ req.onerror =
+ function ()
+ {
+ progress.textContent = 'Error identifying \u201C' + name + '\u201D';
+ if (crc !== null)
+ delete dump_info[sha1].crc[crc];
+ else
+ delete dump_info[sha1].disk;
+ };
+ req.onabort =
+ function ()
+ {
+ progress.textContent = 'Error identifying \u201C' + name + '\u201D: server request aborted';
+ if (crc !== null)
+ delete dump_info[sha1].crc[crc];
+ else
+ delete dump_info[sha1].disk;
+ };
+ req.open('GET', url);
+ req.send();
+}
+
+
+function add_name(group, name, crc, sha1)
+{
+ if (group.names.indexOf(name) < 0)
+ {
+ group.names.push(name);
+ if (group.hasOwnProperty('machines'))
+ {
+ var machines = group.machines;
+ var names = [ name ];
+ if (Object.keys(machines).length > 0)
+ {
+ Object.keys(machine_info).forEach(
+ function (shortname)
+ {
+ var table = machine_info[shortname];
+ if (Object.hasOwnProperty.call(machines, shortname))
+ add_matches(table, names, machines[shortname]);
+ else
+ add_matches(table, names, null);
+ });
+ matched_names.push(name);
+ }
+ else
+ {
+ add_unmatched(names, crc, sha1);
+ }
+ }
+ }
+}
+
+
+function identify_file(file, trychd, progress)
+{
+ var digested = 0;
+ var crc = 0xffffffff;
+ var sha1st = new Uint32Array(5);
+ var sha1cnt = new Uint32Array(2);
+ var sha1buf = new DataView(new ArrayBuffer(64));
+
+ function rol(x, n)
+ {
+ return ((x << n) | (x >>> (32 - n))) & 0xffffffff;
+ }
+
+ function sha1_process(data)
+ {
+ var d = new Uint32Array(sha1st);
+
+ function b(i)
+ {
+ var r = data.getUint32(((i + 13) & 15) << 2, false);
+ r ^= data.getUint32(((i + 8) & 15) << 2, false);
+ r ^= data.getUint32(((i + 2) & 15) << 2, false);
+ r ^= data.getUint32((i & 15) << 2, false);
+ r = rol(r, 1);
+ data.setUint32((i & 15) << 2, r, false);
+ return r;
+ }
+ function r0(i)
+ {
+ d[i % 5] = 0xffffffff & (d[i % 5] + ((d[(i + 3) % 5] & (d[(i + 2) % 5] ^ d[(i + 1) % 5])) ^ d[(i + 1) % 5]) + data.getUint32(i << 2, false) + 0x5a827999 + rol(d[(i + 4) % 5], 5));
+ d[(i + 3) % 5] = rol(d[(i + 3) % 5], 30);
+ }
+ function r1(i)
+ {
+ d[i % 5] = 0xffffffff & (d[i % 5] + ((d[(i + 3) % 5] & (d[(i + 2) % 5] ^ d[(i + 1) % 5])) ^ d[(i + 1) % 5])+ b(i) + 0x5a827999 + rol(d[(i + 4) % 5], 5));
+ d[(i + 3) % 5] = rol(d[(i + 3) % 5], 30);
+ }
+ function r2(i)
+ {
+ d[i % 5] = 0xffffffff & (d[i % 5] + (d[(i + 3) % 5] ^ d[(i + 2) % 5] ^ d[(i + 1) % 5]) + b(i) + 0x6ed9eba1 + rol(d[(i + 4) % 5], 5));
+ d[(i + 3) % 5] = rol(d[(i + 3) % 5], 30);
+ }
+ function r3(i)
+ {
+ d[i % 5] = 0xffffffff & (d[i % 5] + (((d[(i + 3) % 5] | d[(i + 2) % 5]) & d[(i + 1) % 5]) | (d[(i + 3) % 5] & d[(i + 2) % 5])) + b(i) + 0x8f1bbcdc + rol(d[(i + 4) % 5], 5));
+ d[(i + 3) % 5] = rol(d[(i + 3) % 5], 30);
+ }
+ function r4(i)
+ {
+ d[i % 5] = 0xffffffff & (d[i % 5] + (d[(i + 3) % 5] ^ d[(i + 2) % 5] ^ d[(i + 1) % 5]) + b(i) + 0xca62c1d6 + rol(d[(i + 4) % 5], 5));
+ d[(i + 3) % 5] = rol(d[(i + 3) % 5], 30);
+ }
+
+ var i = 0;
+ while (i < 16)
+ r0(i++);
+ while (i < 20)
+ r1(i++);
+ while (i < 40)
+ r2(i++);
+ while (i < 60)
+ r3(i++);
+ while (i < 80)
+ r4(i++);
+ for (i = 0; i < sha1st.length; i++)
+ sha1st[i] = (sha1st[i] + d[i]) & 0xffffffff;
+ }
+
+ function sha1_digest(data, view)
+ {
+ var residual = sha1cnt[0];
+ sha1cnt[0] = (sha1cnt[0] + (view.length << 3)) & 0xffffffff;
+ if (residual > sha1cnt[0])
+ sha1cnt[1]++;
+ sha1cnt[1] += (view.length >>> 29);
+ residual = (residual >>> 3) & 63;
+ var offset = 0;
+ if ((residual + view.length) >= 64)
+ {
+ if (residual > 0)
+ {
+ for (offset = 0; (offset + residual) < 64; offset++)
+ sha1buf.setUint8(offset + residual, view[offset]);
+ sha1_process(sha1buf);
+ residual = 0;
+ }
+ for ( ; (view.length - offset) >= 64; offset += 64)
+ sha1_process(new DataView(data, offset, 64));
+ }
+ for ( ; offset < view.length; residual++, offset++)
+ sha1buf.setUint8(residual, view[offset]);
+ }
+
+ function sha1_finalise()
+ {
+ var lenbuf = new ArrayBuffer(8);
+ var lenview = new DataView(lenbuf);
+ lenview.setUint32(0, sha1cnt[1], false);
+ lenview.setUint32(4, sha1cnt[0], false);
+ var padbuf = new ArrayBuffer(64 - (63 & ((sha1cnt[0] >>> 3) + 8)));
+ var padview = new Uint8Array(padbuf);
+ padview[0] = 0x80;
+ for (var i = 1; i < padview.length; i++)
+ padview[i] = 0x00;
+ sha1_digest(padbuf, padview);
+ sha1_digest(lenbuf, new Uint8Array(lenbuf));
+ var result = new Array(20);
+ for (var i = 0; i < 20; i++)
+ result[i] = (sha1st[4 - (i >>> 2)] >> ((3 - (i & 3)) << 3)) & 0x000000ff;
+ return result.map(x => x.toString(16).padStart(2, '0')).join('');
+ }
+
+ function process_chunk(e)
+ {
+ if (e.target.error === null)
+ {
+ var data = e.target.result;
+ if ((digested == 0) && trychd)
+ {
+ var chdsha1 = get_chd_sha1(data);
+ if (chdsha1 !== null)
+ {
+ var sha1grp = get_sha1_group(chdsha1);
+ if (!sha1grp.hasOwnProperty('disk'))
+ {
+ var diskgrp = new Object();
+ diskgrp.names = [ file.name ];
+ sha1grp.disk = diskgrp;
+ request_dumps(file.name, diskgrp, null, chdsha1, appurl + 'rpc/diskdumps?sha1=' + chdsha1, progress);
+ }
+ else
+ {
+ add_name(sha1grp.disk, file.name, crc, sha1);
+ progress.parentNode.removeChild(progress);
+ }
+ return;
+ }
+ }
+ var view = new Uint8Array(data);
+ for (var i = 0; i < view.length; i++)
+ crc = (crc >>> 8) ^ crc_table[(crc & 0x000000ff) ^ view[i]];
+ sha1_digest(data, view);
+ digested += data.byteLength;
+ if (digested < file.size)
+ {
+ read_block();
+ }
+ else
+ {
+ crc ^= 0xffffffff;
+ var sha1 = sha1_finalise();
+ var sha1grp = get_sha1_group(sha1);
+ if (!Object.hasOwnProperty.call(sha1grp.crc, crc))
+ {
+ var crcgrp = new Object();
+ crcgrp.names = [ file.name ];
+ sha1grp.crc[crc] = crcgrp;
+ var crcstr = ((crc < 0) ? (0xffffffff + crc + 1) : crc).toString(16).padStart(8, '0');
+ request_dumps(file.name, crcgrp, crc, sha1, appurl + 'rpc/romdumps?crc=' + crcstr + '&sha1=' + sha1, progress);
+ }
+ else
+ {
+ add_name(sha1grp.crc[crc], file.name, crc, sha1);
+ progress.parentNode.removeChild(progress);
+ }
+ }
+ }
+ else
+ {
+ progress.textContent = 'Error identifying \u201C' + file.name + '\u201D: ' + e.target.error;
+ }
+ }
+
+ function read_block()
+ {
+ var remaining = file.size - digested;
+ var chunk = file.slice(digested, digested + Math.min(remaining, 65536));
+ var reader = new FileReader();
+ reader.onload = process_chunk;
+ reader.readAsArrayBuffer(chunk);
+ };
+
+ sha1st[0] = 0xc3d2e1f0;
+ sha1st[1] = 0x10325476;
+ sha1st[2] = 0x98badcfe;
+ sha1st[3] = 0xefcdab89;
+ sha1st[4] = 0x67452301;
+ sha1cnt[0] = 0;
+ sha1cnt[1] = 0;
+ progress.textContent = 'Identifying \u201C' + file.name + '\u201D\u2026';
+ read_block();
+}
+
+
+function add_dump_files(files)
+{
+ var prog = document.getElementById('div-progress');
+ for (var i = 0; i < files.length; i++)
+ {
+ var name = files[i].name;
+ var dot = name.lastIndexOf('.');
+ var trychd = (dot > 0) && (name.substring(dot + 1).toLowerCase() == 'chd');
+ identify_file(files[i], trychd, prog.appendChild(document.createElement('p')));
+ }
+}
+
+
+function div_dropzone_dragover(e)
+{
+ e.stopPropagation();
+ e.preventDefault();
+ e.dataTransfer.dropEffect = 'link';
+}
+
+
+function div_dropzone_drop(e)
+{
+ e.stopPropagation();
+ e.preventDefault();
+ add_dump_files(e.dataTransfer.files);
+}