version bump 0.8.0: removed old accessors
- removed .Directory and .Paths accessors - build script using bits/ - typescript definitions in misc/
This commit is contained in:
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20
Makefile
20
Makefile
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@ -1,13 +1,21 @@
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.PHONY: init test lint clean
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test: init
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DEPS=$(wildcard bits/*.js)
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TARGET=cfb.js
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$(TARGET): $(DEPS)
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cat $^ > $@
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.PHONY: test mocha
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test mocha: init
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mocha -R spec
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.PHONY: lint
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lint:
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jshint cfb.js
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.PHONY: init
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init:
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if [ ! -e test_files ]; then git clone https://github.com/SheetJS/test_files; fi
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cd test_files; make
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if [ ! -e test_files ]; then git clone https://github.com/SheetJS/test_files; cd test_files; make; fi
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.PHONY: clean
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clean:
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rm -rf ./test_files/
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rm -rf $(TARGET) ./test_files/
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18
README.md
18
README.md
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@ -31,9 +31,11 @@ In node:
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For example, to get the Workbook content from an XLS file:
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var cfb = CFB.read(filename, {type: 'file'});
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var has_vba = cfb.Directory['Workbook']
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var workbook = cfb.find('Workbook')
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## API
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# API
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Typescript definitions are maintained in `misc/cfb.d.ts`.
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The CFB object exposes the following methods and properties:
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@ -67,18 +69,10 @@ It has the following properties and methods:
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- `.raw` contains the raw header and sectors
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- `.Paths` is an array of the names of all of the streams (files) and storages
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(directories) in the container. There is no disambiguation in the case of
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streams with the same name.
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- `.Directory` is an object whose keys are entries in `.Paths` and whose values
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are objects with metadata and content. Since collisions are not properly
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handled here, `.FullPathDir` is the better option for new projects.
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## Entry Object Description
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The entry objects are available from `FullPathDir`, `FileIndex`, and `Directory`
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elements of the container object.
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The entry objects are available from `FullPathDir` and `FileIndex` elements of the
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container object.
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- `.name` is the (case sensitive) internal name
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- `.type` is the type (`stream` for files, `storage` for dirs, `root` for root)
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@ -0,0 +1,4 @@
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/* cfb.js (C) 2013 SheetJS -- http://sheetjs.com */
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/* vim: set ts=2: */
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/*jshint eqnull:true */
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@ -0,0 +1,132 @@
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/** Helper Functions */
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function readIEEE754(buf, idx, isLE, nl, ml) {
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if(isLE === undefined) isLE = true;
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if(!nl) nl = 8;
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if(!ml && nl === 8) ml = 52;
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var e, m, el = nl * 8 - ml - 1, eMax = (1 << el) - 1, eBias = eMax >> 1;
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var bits = -7, d = isLE ? -1 : 1, i = isLE ? (nl - 1) : 0, s = buf[idx + i];
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i += d;
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e = s & ((1 << (-bits)) - 1); s >>>= (-bits); bits += el;
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for (; bits > 0; e = e * 256 + buf[idx + i], i += d, bits -= 8);
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m = e & ((1 << (-bits)) - 1); e >>>= (-bits); bits += ml;
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for (; bits > 0; m = m * 256 + buf[idx + i], i += d, bits -= 8);
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if (e === eMax) return m ? NaN : ((s ? -1 : 1) * Infinity);
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else if (e === 0) e = 1 - eBias;
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else { m = m + Math.pow(2, ml); e = e - eBias; }
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return (s ? -1 : 1) * m * Math.pow(2, e - ml);
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}
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var Base64 = (function(){
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var map = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
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return {
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encode: function(input, utf8) {
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var o = "";
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var c1, c2, c3, e1, e2, e3, e4;
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for(var i = 0; i < input.length; ) {
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c1 = input.charCodeAt(i++);
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c2 = input.charCodeAt(i++);
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c3 = input.charCodeAt(i++);
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e1 = c1 >> 2;
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e2 = (c1 & 3) << 4 | c2 >> 4;
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e3 = (c2 & 15) << 2 | c3 >> 6;
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e4 = c3 & 63;
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if (isNaN(c2)) { e3 = e4 = 64; }
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else if (isNaN(c3)) { e4 = 64; }
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o += map.charAt(e1) + map.charAt(e2) + map.charAt(e3) + map.charAt(e4);
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}
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return o;
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},
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decode: function(input, utf8) {
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var o = "";
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var c1, c2, c3;
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var e1, e2, e3, e4;
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input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
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for(var i = 0; i < input.length;) {
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e1 = map.indexOf(input.charAt(i++));
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e2 = map.indexOf(input.charAt(i++));
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e3 = map.indexOf(input.charAt(i++));
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e4 = map.indexOf(input.charAt(i++));
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c1 = e1 << 2 | e2 >> 4;
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c2 = (e2 & 15) << 4 | e3 >> 2;
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c3 = (e3 & 3) << 6 | e4;
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o += String.fromCharCode(c1);
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if (e3 != 64) { o += String.fromCharCode(c2); }
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if (e4 != 64) { o += String.fromCharCode(c3); }
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}
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return o;
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}
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};
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})();
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function s2a(s) {
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if(typeof Buffer !== 'undefined') return new Buffer(s, "binary");
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var w = s.split("").map(function(x){return x.charCodeAt(0);});
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return w;
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}
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if(typeof Buffer !== "undefined") {
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Buffer.prototype.hexlify= function() { return this.toString('hex'); };
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Buffer.prototype.utf16le= function(s,e){return this.toString('utf16le',s,e).replace(/\u0000/,'').replace(/[\u0001-\u0006]/,'!');};
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Buffer.prototype.utf8 = function(s,e) { return this.toString('utf8',s,e); };
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}
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Array.prototype.readUInt8 = function(idx) { return this[idx]; };
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Array.prototype.readUInt16LE = function(idx) { return this[idx+1]*(1<<8)+this[idx]; };
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Array.prototype.readInt16LE = function(idx) { var u = this.readUInt16LE(idx); if(!(u & 0x8000)) return u; return (0xffff - u + 1) * -1; };
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Array.prototype.readUInt32LE = function(idx) { return this[idx+3]*(1<<24)+this[idx+2]*(1<<16)+this[idx+1]*(1<<8)+this[idx]; };
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Array.prototype.readDoubleLE = function(idx) { return readIEEE754(this, idx||0);};
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Array.prototype.hexlify = function() { return this.map(function(x){return (x<16?"0":"") + x.toString(16);}).join(""); };
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Array.prototype.utf16le = function(s,e) { var str = ""; for(var i=s; i<e; i+=2) str += String.fromCharCode(this.readUInt16LE(i)); return str.replace(/\u0000/,'').replace(/[\u0001-\u0006]/,'!'); };
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Array.prototype.utf8 = function(s,e) { var str = ""; for(var i=s; i<e; i++) str += String.fromCharCode(this.readUInt8(i)); return str; };
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function bconcat(bufs) { return (typeof Buffer !== 'undefined') ? Buffer.concat(bufs) : [].concat.apply([], bufs); }
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/** Buffer helpers -- keep track of read location `.l` and move it */
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function ReadShift(size, t) {
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var o, w, vv; t = t || 'u';
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if(size === 'ieee754') { size = 8; t = 'f'; }
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switch(size) {
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case 1: o = this.readUInt8(this.l); break;
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case 2: o=t==='u'?this.readUInt16LE(this.l):this.readInt16LE(this.l);break;
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case 4: o = this.readUInt32LE(this.l); break;
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case 8: if(t === 'f') { o = this.readDoubleLE(this.l); break; }
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/* falls through */
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case 16: o = this.toString('hex', this.l,this.l+size); break;
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case 'utf8': size = t; o = this.utf8(this.l, this.l + size); break;
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case 'utf16le': size = 2*t; o = this.utf16le(this.l, this.l + size); break;
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case 'cstr': size = 0; o = "";
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while((w=this.readUInt8(this.l + size++))!==0) o+= String.fromCharCode(w);
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break;
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case 'wstr': size = 0; o = "";
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while((w=this.readUInt16LE(this.l +size))!==0){o+= String.fromCharCode(w);size+=2;}
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size+=2; break;
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}
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this.l+=size; return o;
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}
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function CheckField(hexstr, fld) {
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var m = this.slice(this.l, this.l+hexstr.length/2).hexlify('hex');
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if(m !== hexstr) throw (fld||"") + 'Expected ' + hexstr + ' saw ' + m;
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this.l += hexstr.length/2;
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}
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function WarnField(hexstr, fld) {
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var m = this.slice(this.l, this.l+hexstr.length/2).hexlify('hex');
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if(m !== hexstr) console.error((fld||"") + 'Expected ' + hexstr +' saw ' + m);
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this.l += hexstr.length/2;
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}
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function prep_blob(blob, pos) {
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blob.read_shift = ReadShift.bind(blob);
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blob.chk = CheckField;
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blob.l = pos || 0;
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var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
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return [read, chk];
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}
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@ -0,0 +1,2 @@
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/* [MS-CFB] v20130118 */
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var CFB = (function(){
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@ -0,0 +1,3 @@
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function parse(file) {
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@ -0,0 +1,101 @@
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var mver = 3; // major version
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var ssz = 512; // sector size
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var mssz = 64; // mini sector size
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var nds = 0; // number of directory sectors
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var nfs = 0; // number of FAT sectors
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var nmfs = 0; // number of mini FAT sectors
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var ndfs = 0; // number of DIFAT sectors
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var dir_start = 0; // first directory sector location
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var minifat_start = 0; // first mini FAT sector location
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var difat_start = 0; // first mini FAT sector location
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var ms_cutoff_size = 4096; // mini stream cutoff size
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var minifat_store = 0; // first sector with minifat data
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var minifat_size = 0; // size of minifat data
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var fat_addrs = []; // locations of FAT sectors
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/* [MS-CFB] 2.2 Compound File Header */
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var blob = file.slice(0,512);
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prep_blob(blob);
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var read = ReadShift.bind(blob), chk = CheckField.bind(blob);
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//var wrn = WarnField.bind(blob);
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var j = 0, q;
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// header signature 8
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chk(HEADER_SIGNATURE, 'Header Signature: ');
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// clsid 16
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chk(HEADER_CLSID, 'CLSID: ');
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// minor version 2
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//wrn(HEADER_MINOR_VERSION, 'Minor Version: ');
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read(2);
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// major version 3
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mver = read(2);
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switch(mver) {
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case 3: ssz = 512; break;
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case 4: ssz = 4096; break;
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default: throw "Major Version: Expected 3 or 4 saw " + mver;
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}
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// reprocess header
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var pos = blob.l;
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blob = file.slice(0,ssz);
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prep_blob(blob,pos);
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read = ReadShift.bind(blob);
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chk = CheckField.bind(blob);
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var header = file.slice(0,ssz);
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// Byte Order TODO
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chk('feff', 'Byte Order: ');
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// Sector Shift
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switch((q = read(2))) {
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case 0x09: if(mver !== 3) throw 'MajorVersion/SectorShift Mismatch'; break;
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case 0x0c: if(mver !== 4) throw 'MajorVersion/SectorShift Mismatch'; break;
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default: throw 'Sector Shift: Expected 9 or 12 saw ' + q;
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}
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// Mini Sector Shift
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chk('0600', 'Mini Sector Shift: ');
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// Reserved
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chk('000000000000', 'Mini Sector Shift: ');
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// Number of Directory Sectors
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nds = read(4);
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if(mver === 3 && nds !== 0) throw '# Directory Sectors: Expected 0 saw ' + nds;
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// Number of FAT Sectors
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nfs = read(4);
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// First Directory Sector Location
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dir_start = read(4);
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// Transaction Signature TODO
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read(4);
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// Mini Stream Cutoff Size TODO
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chk('00100000', 'Mini Stream Cutoff Size: ');
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// First Mini FAT Sector Location
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minifat_start = read(4);
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// Number of Mini FAT Sectors
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nmfs = read(4);
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// First DIFAT sector location
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difat_start = read(4);
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// Number of DIFAT Sectors
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ndfs = read(4);
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// Grab FAT Sector Locations
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for(j = 0; blob.l != 512; ) {
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if((q = read(4))>=MAXREGSECT) break;
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fat_addrs[j++] = q;
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}
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@ -0,0 +1,52 @@
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/** Break the file up into sectors */
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var nsectors = Math.ceil((file.length - ssz)/ssz);
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var sectors = [];
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for(var i=1; i != nsectors; ++i) sectors[i-1] = file.slice(i*ssz,(i+1)*ssz);
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sectors[nsectors-1] = file.slice(nsectors*ssz);
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/** Chase down the rest of the DIFAT chain to build a comprehensive list
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DIFAT chains by storing the next sector number as the last 32 bytes */
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function sleuth_fat(idx, cnt) {
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if(idx === ENDOFCHAIN) {
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if(cnt !== 0) throw "DIFAT chain shorter than expected";
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return;
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}
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if(idx !== FREESECT) {
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var sector = sectors[idx];
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for(var i = 0; i != ssz/4-1; ++i) {
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if((q = sector.readUInt32LE(i*4)) === ENDOFCHAIN) break;
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fat_addrs.push(q);
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}
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sleuth_fat(sector.readUInt32LE(ssz-4),cnt - 1);
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}
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}
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sleuth_fat(difat_start, ndfs);
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/** DONT CAT THE FAT! Just calculate where we need to go */
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function get_buffer(byte_addr, bytes) {
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var addr = fat_addrs[Math.floor(byte_addr*4/ssz)];
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if(ssz - (byte_addr*4 % ssz) < (bytes || 0))
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throw "FAT boundary crossed: " + byte_addr + " "+bytes+" "+ssz;
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return sectors[addr].slice((byte_addr*4 % ssz));
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}
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function get_buffer_u32(byte_addr) {
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return get_buffer(byte_addr,4).readUInt32LE(0);
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}
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function get_next_sector(idx) { return get_buffer_u32(idx); }
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/** Chains */
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var chkd = new Array(sectors.length), sector_list = [];
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var get_sector = function get_sector(k) { return sectors[k]; };
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for(i=0; i != sectors.length; ++i) {
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var buf = [], k = (i + dir_start) % sectors.length;
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if(chkd[k]) continue;
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for(j=k; j<=MAXREGSECT; buf.push(j),j=get_next_sector(j)) chkd[j] = true;
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sector_list[k] = {nodes: buf};
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sector_list[k].data = Array(buf.map(get_sector)).toBuffer();
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}
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sector_list[dir_start].name = "!Directory";
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if(nmfs > 0 && minifat_start !== ENDOFCHAIN) sector_list[minifat_start].name = "!MiniFAT";
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sector_list[fat_addrs[0]].name = "!FAT";
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@ -0,0 +1,59 @@
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/* [MS-CFB] 2.6.1 Compound File Directory Entry */
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var files = {}, Paths = [], FileIndex = [], FullPaths = [], FullPathDir = {};
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function read_directory(idx) {
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var blob, read, w;
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var sector = sector_list[idx].data;
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for(var i = 0; i != sector.length; i+= 128) {
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blob = sector.slice(i, i+128);
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prep_blob(blob, 64);
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read = ReadShift.bind(blob);
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var namelen = read(2);
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if(namelen === 0) return;
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var name = blob.utf16le(0,namelen-(Paths.length?2:0)); // OLE
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Paths.push(name);
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var o = { name: name };
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o.type = EntryTypes[read(1)];
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o.color = read(1);
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o.left = read(4); if(o.left === NOSTREAM) delete o.left;
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o.right = read(4); if(o.right === NOSTREAM) delete o.right;
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o.child = read(4); if(o.child === NOSTREAM) delete o.child;
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o.clsid = read(16);
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o.state = read(4);
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var ctime = read(8); if(ctime != "0000000000000000") o.ctime = ctime;
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var mtime = read(8); if(mtime != "0000000000000000") o.mtime = mtime;
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o.start = read(4);
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o.size = read(4);
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if(o.type === 'root') { //root entry
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minifat_store = o.start;
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if(nmfs > 0 && minifat_store !== ENDOFCHAIN) sector_list[minifat_store].name = "!StreamData";
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minifat_size = o.size;
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} else if(o.size >= ms_cutoff_size) {
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o.storage = 'fat';
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if(!sector_list[o.start] && dir_start > 0) o.start = (o.start + dir_start) % sectors.length;
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sector_list[o.start].name = o.name;
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o.content = sector_list[o.start].data.slice(0,o.size);
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prep_blob(o.content);
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} else {
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o.storage = 'minifat';
|
||||
w = o.start * mssz;
|
||||
if(minifat_store !== ENDOFCHAIN && o.start !== ENDOFCHAIN) {
|
||||
o.content = sector_list[minifat_store].data.slice(w,w+o.size);
|
||||
prep_blob(o.content);
|
||||
}
|
||||
}
|
||||
if(o.ctime) {
|
||||
var ct = blob.slice(blob.l-24, blob.l-16);
|
||||
var c2 = (ct.readUInt32LE(4)/1e7)*Math.pow(2,32)+ct.readUInt32LE(0)/1e7;
|
||||
o.ct = new Date((c2 - 11644473600)*1000);
|
||||
}
|
||||
if(o.mtime) {
|
||||
var mt = blob.slice(blob.l-16, blob.l-8);
|
||||
var m2 = (mt.readUInt32LE(4)/1e7)*Math.pow(2,32)+mt.readUInt32LE(0)/1e7;
|
||||
o.mt = new Date((m2 - 11644473600)*1000);
|
||||
}
|
||||
files[name] = o;
|
||||
FileIndex.push(o);
|
||||
}
|
||||
}
|
||||
read_directory(dir_start);
|
||||
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/* [MS-CFB] 2.6.4 Red-Black Tree */
|
||||
function build_full_paths(Dir, pathobj, paths, patharr) {
|
||||
var i;
|
||||
var dad = new Array(patharr.length);
|
||||
|
||||
var q = new Array(patharr.length);
|
||||
|
||||
for(i=0; i != dad.length; ++i) { dad[i]=q[i]=i; paths[i]=patharr[i]; }
|
||||
|
||||
for(i = q[0]; typeof i !== "undefined"; i = q.shift()) {
|
||||
if(Dir[i].child) dad[Dir[i].child] = i;
|
||||
if(Dir[i].left) { dad[Dir[i].left] = dad[i]; q.push(Dir[i].left); }
|
||||
if(Dir[i].right) { dad[Dir[i].right] = dad[i]; q.push(Dir[i].right); }
|
||||
}
|
||||
|
||||
for(i=1; i !== paths.length; ++i) {
|
||||
if(Dir[i].type === "unknown") continue;
|
||||
var j = dad[i];
|
||||
if(j === 0) paths[i] = paths[0] + "/" + paths[i];
|
||||
else while(j !== 0) {
|
||||
paths[i] = paths[j] + "/" + paths[i];
|
||||
j = dad[j];
|
||||
}
|
||||
dad[i] = 0;
|
||||
}
|
||||
|
||||
paths[0] += "/";
|
||||
for(i=1; i !== paths.length; ++i) if(Dir[i].type !== 'stream') paths[i] += "/";
|
||||
for(i=0; i !== paths.length; ++i) pathobj[paths[i]] = FileIndex[i];
|
||||
}
|
||||
build_full_paths(FileIndex, FullPathDir, FullPaths, Paths);
|
||||
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
var root_name = Paths.shift();
|
||||
Paths.root = root_name;
|
||||
|
||||
/* [MS-CFB] 2.6.4 (Unicode 3.0.1 case conversion) */
|
||||
function find_path(path) {
|
||||
if(path[0] === "/") path = root_name + path;
|
||||
var UCNames = (path.indexOf("/") !== -1 ? FullPaths : Paths).map(function(x) { return x.toUpperCase(); });
|
||||
var UCPath = path.toUpperCase();
|
||||
var w = UCNames.indexOf(UCPath);
|
||||
if(w === -1) return null;
|
||||
return path.indexOf("/") !== -1 ? FileIndex[w] : files[Paths[w]];
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
var rval = {
|
||||
raw: {header: header, sectors: sectors},
|
||||
FileIndex: FileIndex,
|
||||
FullPaths: FullPaths,
|
||||
FullPathDir: FullPathDir,
|
||||
find: find_path
|
||||
};
|
||||
|
||||
return rval;
|
||||
} // parse
|
||||
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
|
||||
function readFileSync(filename) {
|
||||
var fs = require('fs');
|
||||
var file = fs.readFileSync(filename);
|
||||
return parse(file);
|
||||
}
|
||||
|
||||
function readSync(blob, options) {
|
||||
var o = options || {};
|
||||
switch((o.type || "base64")) {
|
||||
case "file": return readFileSync(blob);
|
||||
case "base64": blob = Base64.decode(blob);
|
||||
/* falls through */
|
||||
case "binary": blob = s2a(blob); break;
|
||||
}
|
||||
return parse(blob);
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,3 @@
|
|||
this.read = readSync;
|
||||
this.parse = parse;
|
||||
return this;
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
})();
|
||||
|
||||
|
|
@ -0,0 +1,18 @@
|
|||
/** CFB Constants */
|
||||
{
|
||||
/* 2.1 Compund File Sector Numbers and Types */
|
||||
var MAXREGSECT = 0xFFFFFFFA;
|
||||
var DIFSECT = 0xFFFFFFFC;
|
||||
var FATSECT = 0xFFFFFFFD;
|
||||
var ENDOFCHAIN = 0xFFFFFFFE;
|
||||
var FREESECT = 0xFFFFFFFF;
|
||||
/* 2.2 Compound File Header */
|
||||
var HEADER_SIGNATURE = 'd0cf11e0a1b11ae1';
|
||||
var HEADER_MINOR_VERSION = '3e00';
|
||||
var MAXREGSID = 0xFFFFFFFA;
|
||||
var NOSTREAM = 0xFFFFFFFF;
|
||||
var HEADER_CLSID = '00000000000000000000000000000000';
|
||||
/* 2.6.1 Compound File Directory Entry */
|
||||
var EntryTypes = ['unknown','storage','stream','lockbytes','property','root'];
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
var CFB_utils = {
|
||||
ReadShift: ReadShift,
|
||||
WarnField: WarnField,
|
||||
CheckField: CheckField,
|
||||
prep_blob: prep_blob,
|
||||
bconcat: bconcat
|
||||
};
|
||||
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
if(typeof require !== 'undefined' && typeof exports !== 'undefined') {
|
||||
Array.prototype.toBuffer = function() {
|
||||
return Buffer.concat(this[0]);
|
||||
};
|
||||
var fs = require('fs');
|
||||
exports.read = CFB.read;
|
||||
exports.parse = CFB.parse;
|
||||
exports.utils = CFB_utils;
|
||||
exports.main = function(args) {
|
||||
var cfb = CFB.read(args[0], {type:'file'});
|
||||
console.log(cfb);
|
||||
};
|
||||
if(typeof module !== 'undefined' && require.main === module)
|
||||
exports.main(process.argv.slice(2));
|
||||
} else {
|
||||
Array.prototype.toBuffer = function() {
|
||||
var x = [];
|
||||
for(var i = 0; i != this[0].length; ++i) { x = x.concat(this[0][i]); }
|
||||
return x;
|
||||
};
|
||||
}
|
||||
3
cfb.js
3
cfb.js
|
|
@ -1,3 +1,4 @@
|
|||
/* cfb.js (C) 2013 SheetJS -- http://sheetjs.com */
|
||||
/* vim: set ts=2: */
|
||||
/*jshint eqnull:true */
|
||||
|
||||
|
|
@ -397,11 +398,9 @@ function find_path(path) {
|
|||
|
||||
var rval = {
|
||||
raw: {header: header, sectors: sectors},
|
||||
Paths: Paths,
|
||||
FileIndex: FileIndex,
|
||||
FullPaths: FullPaths,
|
||||
FullPathDir: FullPathDir,
|
||||
Directory: files,
|
||||
find: find_path
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,104 @@
|
|||
declare enum CFBEntryType { unknown, storage, stream, lockbytes, property, root }
|
||||
declare enum CFBStorageType { fat, minifat }
|
||||
|
||||
/* CFB Entry Object demanded by write functions */
|
||||
interface CFBEntryMin {
|
||||
|
||||
/* Raw Content (Buffer when available, Array of bytes otherwise) */
|
||||
content:any;
|
||||
}
|
||||
|
||||
/* CFB Entry Object returned by parse functions */
|
||||
interface CFBEntry extends CFBEntryMin {
|
||||
|
||||
/* Case-sensitive internal name */
|
||||
name:string;
|
||||
|
||||
/* CFB type (salient types: stream, storage) -- see CFBEntryType */
|
||||
type:string;
|
||||
|
||||
/* Creation Time */
|
||||
ct:Date;
|
||||
/* Modification Time */
|
||||
mt:Date;
|
||||
|
||||
|
||||
/* Raw creation time -- see [MS-DTYP] 2.3.3 FILETIME */
|
||||
mtime:string;
|
||||
/* Raw modification time -- see [MS-DTYP] 2.3.3 FILETIME */
|
||||
ctime:string;
|
||||
|
||||
/* RBT color: 0 = red, 1 = black */
|
||||
color:number;
|
||||
|
||||
/* Class ID represented as hex string */
|
||||
clsid:string;
|
||||
|
||||
/* User-Defined State Bits */
|
||||
state:number;
|
||||
|
||||
/* Starting Sector */
|
||||
start:number;
|
||||
|
||||
/* Data Size */
|
||||
size:number;
|
||||
|
||||
/* Storage location -- see CFBStorageType */
|
||||
storage:string;
|
||||
}
|
||||
|
||||
|
||||
/* cfb.FullPathDir as demanded by write functions */
|
||||
interface CFBDirectoryMin {
|
||||
|
||||
/* keys are unix-style paths */
|
||||
[key:string]: CFBEntryMin;
|
||||
}
|
||||
|
||||
/* cfb.FullPathDir Directory object */
|
||||
interface CFBDirectory extends CFBDirectoryMin {
|
||||
|
||||
/* cfb.FullPathDir keys are paths; cfb.Directory keys are file names */
|
||||
[key:string]: CFBEntry;
|
||||
}
|
||||
|
||||
|
||||
/* cfb object demanded by write functions */
|
||||
interface CFBContainerMin {
|
||||
|
||||
/* Path -> CFB object mapping */
|
||||
FullPathDir:CFBDirectoryMin;
|
||||
}
|
||||
|
||||
/* cfb object returned by read and parse functions */
|
||||
interface CFBContainer extends CFBContainerMin {
|
||||
|
||||
/* search by path or file name */
|
||||
find(string):CFBEntry;
|
||||
|
||||
/* list of streams and storages */
|
||||
FullPaths:string[];
|
||||
|
||||
/* Path -> CFB object mapping */
|
||||
FullPathDir:CFBDirectory;
|
||||
|
||||
/* Array of entries in the same order as FullPaths */
|
||||
FileIndex:CFBEntry[];
|
||||
|
||||
/* Raw Content, in chunks (Buffer when available, Array of bytes otherwise) */
|
||||
raw:any[];
|
||||
}
|
||||
|
||||
|
||||
interface CFB {
|
||||
read(f:any, options:any):CFBContainer;
|
||||
parse(f:any):CFBContainer;
|
||||
utils: {
|
||||
ReadShift(size:any,t?:any):any;
|
||||
WarnField(hexstr:string,fld?:string);
|
||||
CheckField(hexstr:string,fld?:string);
|
||||
prep_blob(blob:any, pos?:number):any;
|
||||
bconcat(bufs:any[]):any;
|
||||
};
|
||||
main;
|
||||
}
|
||||
|
|
@ -0,0 +1,35 @@
|
|||
///<reference path='node.d.ts'/>
|
||||
///<reference path='cfb.d.ts'/>
|
||||
|
||||
/* vim: set ts=2: */
|
||||
|
||||
var CFB = <CFB>require('../cfb');
|
||||
var fs = require('fs'), program = require('commander');
|
||||
program
|
||||
.version('0.7.0')
|
||||
.usage('[options] <file>')
|
||||
.option('-q, --quiet', 'print but do not extract')
|
||||
.parse(process.argv);
|
||||
|
||||
if(program.args.length === 0 || !fs.existsSync(program.args[0])) {
|
||||
console.error("Usage: " + process.argv[1] + " [-q] <cfb_file>");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
var cfb = CFB.read(program.args[0], {type:'file'});
|
||||
if(program.quiet) {
|
||||
console.log("Full Paths:")
|
||||
console.log(cfb.FullPaths.map(function(x) { return " " + x; }).join("\n"));
|
||||
console.log("Full Path Directory:")
|
||||
console.log(cfb.FullPathDir);
|
||||
return;
|
||||
}
|
||||
for(var i=0; i != cfb.FullPaths.length; ++i) {
|
||||
if(cfb.FullPaths[i].slice(-1) === "/") {
|
||||
console.error("mkdir " + cfb.FullPaths[i]);
|
||||
fs.mkdirSync(cfb.FullPaths[i]);
|
||||
} else {
|
||||
console.error("writing " + cfb.FullPaths[i]);
|
||||
fs.writeFileSync(cfb.FullPaths[i], cfb.FileIndex[i].content);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
declare var require: {
|
||||
(id: string): any;
|
||||
}
|
||||
|
||||
declare var process: {
|
||||
argv: string[];
|
||||
exit(status: number): void;
|
||||
}
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
{
|
||||
"name": "cfb",
|
||||
"version": "0.7.0",
|
||||
"version": "0.8.0",
|
||||
"author": "SheetJS",
|
||||
"description": "Compound File Binary File Format extractor",
|
||||
"keywords": [ "cfb", "compression", "office" ],
|
||||
|
|
|
|||
Loading…
Reference in New Issue