75 lines
2.4 KiB
JavaScript
Executable File
75 lines
2.4 KiB
JavaScript
Executable File
/* cfb.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* eslint-env node */
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/* vim: set ts=2 ft=javascript: */
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import * as CFB from 'cfb';
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import fs = require('fs');
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import program = require('commander');
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import PRINTJ = require("printj");
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program
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.version(CFB.version)
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.usage('[options] <file>')
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.option('-q, --quiet', 'process but do not report')
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.option('-l, --list-files', 'list files')
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.option('-d, --dump', 'dump internal representation but do not extract')
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.option('--dev', 'development mode')
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.option('--read', 'read but do not print out contents');
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program.parse(process.argv);
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if(program.args.length === 0 || !fs.existsSync(program.args[0])) {
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console.error("Usage: " + process.argv[1] + " [-q] <cfb_file>");
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process.exit(1);
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}
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const opts: CFB.CFBParsingOptions = {type:'file'};
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if(program.dev) opts.WTF = true;
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const cfb: CFB.CFBContainer = CFB.read(program.args[0], opts);
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if(program.quiet) process.exit(0);
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if(program.dump) {
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console.log("Full Paths:");
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console.log(cfb.FullPaths.map((x) => " " + x).join("\n"));
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console.log("Full Path Directory:");
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console.log(cfb.FullPathDir);
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process.exit(0);
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}
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if(program.listFiles) {
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const sprintf = PRINTJ.sprintf;
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const format_date = function(date: Date): string {
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return sprintf("%02u-%02u-%02u %02u:%02u", date.getUTCMonth()+1, date.getUTCDate(), date.getUTCFullYear()%100, date.getUTCHours(), date.getUTCMinutes());
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};
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let basetime = new Date(1980,0,1);
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let cnt = 0;
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let rootsize = 0, filesize = 0;
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console.log(" Length Date Time Name");
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console.log(" -------- ---- ---- ----");
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cfb.FileIndex.forEach(function(file: CFB.CFBEntry, i: number) {
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switch(file.type) {
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case 5:
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basetime = file.ct || file.mt || basetime;
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rootsize = file.size;
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break;
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case 2:
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console.log(sprintf("%9lu %s %s", file.size, format_date(basetime), cfb.FullPaths[i]));
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filesize += file.size;
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++cnt;
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}
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});
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console.log(" -------- -------");
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console.log(sprintf("%9lu %lu file%s", rootsize || filesize, cnt, (cnt !== 1 ? "s" : "")));
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process.exit(0);
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}
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for(let i=0; i!==cfb.FullPaths.length; ++i) {
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if(cfb.FullPaths[i].slice(-1) === "/") {
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console.error("mkdir " + cfb.FullPaths[i]);
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fs.mkdirSync(cfb.FullPaths[i]);
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} else {
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console.error("writing " + cfb.FullPaths[i]);
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fs.writeFileSync(cfb.FullPaths[i], cfb.FileIndex[i].content);
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}
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}
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