mame/scripts/minimaws/lib/assets/romident.js
2019-12-24 23:50:14 +11:00

638 lines
18 KiB
JavaScript

// 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 softwarelist_info = Object.create(null);
var software_info = Object.create(null);
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_software_matches(table, names, part, 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 = part;
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-unmatched');
var heading = div.appendChild(document.createElement('h2'));
heading.textContent = 'Unmatched';
table = div.appendChild(document.createElement('table'));
table.setAttribute('id', 'table-unmatched');
}
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++)
{
var row = table.appendChild(document.createElement('tr'));
row.appendChild(document.createElement('th')).textContent = names[i];
row.appendChild(document.createElement('td')).textContent = content;
unmatched_names.push(names[i]);
}
}
function add_issues(name)
{
var div = document.getElementById('div-issues');
var list;
if (!div.hasChildNodes())
{
div.appendChild(document.createElement('h2')).textContent = 'Potential Issues';
list = div.appendChild(document.createElement('dl'));
}
else
{
list = div.lastChild;
}
list.appendChild(document.createElement('dt')).textContent = name;
var table = list.appendChild(document.createElement('dd')).appendChild(document.createElement('table'));
table.setAttribute('class', 'sysinfo');
return table;
}
function add_stuck_bits(table, stuck)
{
function format_stuck_bits(bits, mask)
{
var result = '';
for (var i = 0; i < bits.length; i++)
{
if (i > 0)
result += ' ';
for (var j = 0; j < 8; j++)
{
if (!((mask[i] >> (7 - j)) & 0x01))
result += '-';
else if ((bits[i] >> (7 - j)) & 0x01)
result += '1';
else
result += '0';
}
}
var cell = document.createElement('td');
cell.appendChild(document.createElement('tt')).textContent = result;
return cell;
}
var row = table.appendChild(document.createElement('tr'));
var header = row.appendChild(document.createElement('th'));
header.textContent = 'Fixed data bits:';
header.setAttribute('rowspan', stuck.length);
row.appendChild(format_stuck_bits(stuck[0].bits, stuck[0].mask));
for (var i = 1; i < stuck.length; i++)
{
row = table.appendChild(document.createElement('tr'));
row.appendChild(format_stuck_bits(stuck[i].bits, stuck[i].mask));
}
}
function get_machine_table(shortname, description)
{
if (Object.hasOwnProperty.call(machine_info, shortname))
{
return machine_info[shortname];
}
else
{
var div = document.getElementById('div-machines');
if (!div.hasChildNodes())
div.appendChild(document.createElement('h2')).textContent = 'Machines';
var heading = div.appendChild(document.createElement('h3'));
var link = heading.appendChild(document.createElement('a'));
link.textContent = description;
link.setAttribute('href', appurl + 'machine/' + encodeURIComponent(shortname));
var table = div.appendChild(document.createElement('table'));
machine_info[shortname] = table;
add_matches(table, matched_names, null);
return table;
}
}
function get_softwarelist_div(shortname, description)
{
if (Object.hasOwnProperty.call(softwarelist_info, shortname))
{
return softwarelist_info[shortname];
}
else
{
software_info[shortname] = Object.create(null)
var div = document.getElementById('div-software');
if (!div.hasChildNodes())
div.appendChild(document.createElement('h2')).textContent = 'Software';
div = div.appendChild(document.createElement('div'));
var heading = div.appendChild(document.createElement('h3'));
var link = heading.appendChild(document.createElement('a'));
link.textContent = description;
link.setAttribute('href', appurl + 'softwarelist/' + encodeURIComponent(shortname));
softwarelist_info[shortname] = div;
return div;
}
}
function get_software_table(softwarelist, shortname, description)
{
if (Object.hasOwnProperty.call(software_info, softwarelist) && Object.hasOwnProperty.call(software_info[softwarelist], shortname))
{
return software_info[softwarelist][shortname];
}
else
{
var div = softwarelist_info[softwarelist];
var heading = div.appendChild(document.createElement('h4'));
var link = heading.appendChild(document.createElement('a'));
link.textContent = description;
link.setAttribute('href', appurl + 'softwarelist/' + encodeURIComponent(softwarelist) + '/' + encodeURIComponent(shortname));
var table = div.appendChild(document.createElement('table'));
software_info[softwarelist][shortname] = table;
add_software_matches(table, matched_names, null, 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);
var software = Object.create(null);
var matched = Object.keys(req.response.machines);
var softwarelists = Object.keys(req.response.software);
if (matched.length > 0)
{
Object.keys(machine_info).forEach(
function (shortname)
{
var machine_table = machine_info[shortname];
if (Object.hasOwnProperty.call(req.response.machines, shortname))
{
machines[shortname] = req.response.machines[shortname].matches;
add_matches(machine_table, group.names, req.response.machines[shortname].matches);
}
else
{
add_matches(machine_table, group.names, null);
}
});
if (softwarelists.length <= 0)
{
Object.keys(software_info).forEach(
function (listname)
{
Object.keys(software_info[listname]).forEach(
function (softwarename)
{
var software_table = software_info[listname][softwarename];
add_software_matches(software_table, group.names, null, null);
});
});
}
matched.forEach(
function (shortname)
{
if (!Object.hasOwnProperty.call(machine_info, shortname))
{
var machine_details = req.response.machines[shortname];
var machine_table = get_machine_table(shortname, machine_details.description);
machines[shortname] = req.response.machines[shortname].matches;
add_matches(machine_table, group.names, machine_details.matches);
}
});
}
if (softwarelists.length > 0)
{
if (matched.length <= 0)
{
Object.keys(machine_info).forEach(
function (shortname)
{
var machine_table = machine_info[shortname];
add_matches(machine_table, group.names, null);
});
}
Object.keys(software_info).forEach(
function (listname)
{
var haslist = Object.hasOwnProperty.call(req.response.software, listname);
Object.keys(software_info[listname]).forEach(
function (softwarename)
{
var software_table = software_info[listname][softwarename];
if (haslist && Object.hasOwnProperty.call(req.response.software[listname].software, softwarename))
{
if (!Object.hasOwnProperty.call(software, listname))
software[listname] = Object.create(null);
if (!Object.hasOwnProperty.call(software[listname], softwarename))
software[listname][softwarename] = Object.create(null);
var software_details = req.response.software[listname].software[softwarename];
Object.keys(software_details.parts).forEach(
function (partname)
{
var matches = software_details.parts[partname].matches;
software[listname][softwarename][partname] = matches;
add_software_matches(software_table, group.names, partname, matches);
});
}
else
{
add_software_matches(software_table, group.names, null, null);
}
});
});
softwarelists.forEach(
function (listname)
{
var haslist = Object.hasOwnProperty.call(software_info, listname);
var softwarelist_details = req.response.software[listname];
var softwarelist_div = get_softwarelist_div(listname, softwarelist_details.description);
Object.keys(softwarelist_details.software).forEach(
function (softwarename)
{
if (!haslist || !Object.hasOwnProperty.call(software_info[listname], softwarename))
{
if (!Object.hasOwnProperty.call(software, listname))
software[listname] = Object.create(null);
if (!Object.hasOwnProperty.call(software[listname], softwarename))
software[listname][softwarename] = Object.create(null);
var software_details = softwarelist_details.software[softwarename];
var software_table = get_software_table(listname, softwarename, software_details.description);
Object.keys(software_details.parts).forEach(
function (partname)
{
var matches = software_details.parts[partname].matches;
software[listname][softwarename][partname] = matches;
add_software_matches(software_table, group.names, partname, matches);
});
}
});
});
}
if ((matched.length > 0) | (softwarelists.length > 0))
{
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;
group.software = software;
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('issues'))
{
var issues = group.issues;
if (issues !== null)
issues.parentNode.parentNode.insertBefore(document.createElement('dt'), issues.parentNode).textContent = name;
}
if (group.hasOwnProperty('machines'))
{
var machines = group.machines;
var software = group.software;
var names = [ name ];
if ((Object.keys(machines).length > 0) || (Object.keys(software).length > 0))
{
Object.keys(machine_info).forEach(
function (shortname)
{
var machine_table = machine_info[shortname];
if (Object.hasOwnProperty.call(machines, shortname))
add_matches(machine_table, names, machines[shortname]);
else
add_matches(machine_table, names, null);
});
Object.keys(software_info).forEach(
function (listname)
{
var haslist = Object.hasOwnProperty.call(software, listname);
Object.keys(software_info[listname]).forEach(
function (softwarename)
{
var software_table = software_info[listname][softwarename];
if (haslist && Object.hasOwnProperty.call(software[listname], softwarename))
{
Object.keys(software[listname][softwarename]).forEach(
function (partname)
{
add_software_matches(software_table, names, partname, software[listname][softwarename][partname]);
});
}
else
{
add_software_matches(software_table, names, null, null);
}
});
});
matched_names.push(name);
}
else
{
add_unmatched(names, crc, sha1);
}
}
}
}
function identify_file(file, trychd, progress)
{
var digested = 0;
var crcproc = new Crc32Digester();
var sha1proc = new Sha1Digester();
var stuckbitsproc = new StuckBitsDigester();
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);
crcproc.digest(data, view);
sha1proc.digest(data, view);
stuckbitsproc.digest(data, view);
digested += data.byteLength;
if (digested < file.size)
{
read_block();
}
else
{
var crc = crcproc.finalise();
var sha1 = sha1proc.finalise();
var stuckbits = stuckbitsproc.finalise();
var sha1grp = get_sha1_group(sha1);
var crcgrp;
if (!Object.hasOwnProperty.call(sha1grp.crc, crc))
{
crcgrp = new Object();
crcgrp.names = [ file.name ];
sha1grp.crc[crc] = crcgrp;
if (stuckbits.length)
{
crcgrp.issues = add_issues(file.name);
add_stuck_bits(crcgrp.issues, stuckbits);
}
else
{
crcgrp.issues = null;
}
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
{
crcgrp = sha1grp.crc[crc];
add_name(crcgrp, 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);
};
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);
}