129 lines
4.2 KiB
JavaScript
Executable File
129 lines
4.2 KiB
JavaScript
Executable File
#!/usr/bin/env node
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/* 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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var n = "cfb";
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var X = require('../');
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var fs = require('fs');
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var program = require('commander');
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var PRINTJ = require("printj");
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var sprintf = PRINTJ.sprintf;
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program
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.version(X.version)
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.usage('[options] <file> [subfiles...]')
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.option('-l, --list-files', 'list files')
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.option('-r, --repair', 'attempt to repair and garbage-collect archive')
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.option('-c, --create', 'create file')
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.option('-a, --append', 'add files to CFB (overwrite existing data)')
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.option('-d, --delete', 'delete files from CFB')
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.option('-z, --dump', 'dump internal representation but do not extract')
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.option('-q, --quiet', 'process but do not report')
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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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var exit = process.exit;
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var die = function(errno/*:number*/, msg/*:string*/) { console.error(n + ": " + msg); exit(errno); };
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var logit = function(cmd/*:string*/, f/*:string*/) { console.error(sprintf("%-6s %s", cmd, f)); };
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if(program.args.length === 0) die(1, "must specify a filename");
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if(program.create) {
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logit("create", program.args[0]);
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var newcfb = X.utils.cfb_new();
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X.writeFile(newcfb, program.args[0]);
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}
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if(!fs.existsSync(program.args[0])) die(1, "must specify a filename");
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var opts = ({type:'file'}/*:any*/);
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if(program.dev) opts.WTF = true;
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var cfb = X.read(program.args[0], opts);
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if(program.quiet) 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(function(x/*:string*/) { return " " + x; }).join("\n"));
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console.log("File Index:");
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console.log(cfb.FileIndex);
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exit(0);
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}
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if(program.repair) { X.writeFile(cfb, program.args[0]); exit(0); }
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function fix_string(x/*:string*/)/*:string*/ { return x.replace(/[\u0000-\u001f]/, function($$) { return sprintf("\\u%04X", $$.charCodeAt(0)); }); }
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var 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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if(program.listFiles) {
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var basetime = new Date(1980,0,1);
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var cnt = 0, 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/*: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), fix_string(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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exit(0);
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}
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function mkdirp(path/*:string*/) { path.split("/").reduce(function(acc/*:string*/, p/*:string*/) {
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acc += p + "/";
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if(!fs.existsSync(acc)) { logit("mkdir", acc); fs.mkdirSync(acc); }
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return acc;
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}, ""); }
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function write(path/*:string*/, data/*:CFBEntry*/) {
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logit("write", fix_string(path));
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fs.writeFileSync(path, /*::new Buffer((*/data.content/*:: :any))*/);
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}
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if(program.create || program.append) {
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program.args.slice(1).forEach(function(x/*:string*/) {
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logit("append", x);
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X.utils.cfb_add(cfb, "/" + x, fs.readFileSync(x));
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});
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X.writeFile(cfb, program.args[0]);
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exit(0);
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}
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if(program.delete) {
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program.args.slice(1).forEach(function(x/*:string*/) {
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logit("delete", x);
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X.utils.cfb_del(cfb, "/" + x);
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});
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X.writeFile(cfb, program.args[0]);
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exit(0);
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}
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if(program.args.length > 1) {
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program.args.slice(1).forEach(function(x/*:string*/) {
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var data/*:?CFBEntry*/ = X.find(cfb, x);
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if(!data) { console.error(x + ": file not found"); return; }
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if(data.type !== 2) { console.error(x + ": not a file"); return; }
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var idx = cfb.FileIndex.indexOf(data), path = cfb.FullPaths[idx];
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mkdirp(path.slice(0, path.lastIndexOf("/")));
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write(path, data);
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});
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exit(0);
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}
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for(var i=0; i!==cfb.FullPaths.length; ++i) {
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if(!cfb.FileIndex[i].name) continue;
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if(cfb.FullPaths[i].slice(-1) === "/") mkdirp(cfb.FullPaths[i]);
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else write(cfb.FullPaths[i], cfb.FileIndex[i]);
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}
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