MAD support

README.md

@@ -1,5 +1,5 @@
 # cfb-editor
 
-Archive (ZIP/CFB) Editor
+Archive (ZIP/CFB/MAD) Editor
 
-See <https://sheetjs.com/cfb-editor/> for a live instance
+See <https://oss.sheetjs.com/cfb-editor/> for a live instance

package.json

@@ -1,6 +1,6 @@
 {
   "name": "cfb-editor",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "CFB / ZIP editor",
   "private": true,
   "homepage": "https://sheetjs.com/cfb-editor",
@@ -13,7 +13,7 @@
     "test:watch": "nwb test-react --server"
   },
   "dependencies": {
-    "cfb": "^1.1.4",
+    "cfb": "^1.2.0",
     "crc-32": "^1.2.0",
     "file-saver": "^1.3.3",
     "printj": "^1.1.2",

src/consts.js

@@ -6,6 +6,7 @@ export const SheetJSFT = [
 	"application/zip",
 	"application/octet-stream"
 ].join(",") + [
+	"mht", "mhtml",
 	"zip", "xlsx", "xlsb", "xlsm", "ods",
 	"cfb", "xls", "qpw", "wb3", "ppt", "doc"
 ].map(function(x) { return "." + x; }).join(",");

src/state.js

@@ -36,6 +36,7 @@ export default easyStore({
 		this.loading = true;
 		setTimeout(() => {try {
 			switch(bstr.slice(0,4)) {
+				case "MIME":
 				case "\xD0\xCF\x11\xE0": this.type = "CFB"; this.file = CFB.read(bstr, {type: "binary"}); break;
 				case "PK\x03\x04": case "PK\x05\x06": this.type = "ZIP"; this.file = new JSZIP(bstr, {base64: false}); break;
 				default: throw new Error(`Invalid file (magic ${bstr.slice(0,4).split("").map(x => x.charCodeAt(0).toString(16).padStart(2,"0"))})`);
@@ -103,7 +104,8 @@ export default easyStore({
 		setTimeout(() => {try {
 		this.dirty = false;
 		let o;
-		if(this.isCFB()) o = SaveBString(CFB.write(this.file, {type:"binary"}), this.fname || "SheetJS.cfb");
+		var fType = /\.mht(?:ml)?$/.test(this.fname||"") ? "mad" : "";
+		if(this.isCFB()) o = SaveBString(CFB.write(this.file, {type:"binary", fileType: fType}), this.fname || "SheetJS.cfb");
 		if(this.isZIP()) o = SaveBString(this.file.generate({type:"string", compression:"DEFLATE"}), this.fname || "SheetJS.zip");
 		this.loading = false;
 		return o;

src/utils/misc.js

@@ -1,5 +1,4 @@
 /* cfb-editor (C) 2017-present  SheetJS -- http://sheetjs.com */
-/* global Uint8Array */
 import { sprintf, vsprintf } from 'printj';
 
 const X = "%02hhx", Y = X + X + " ";

src/views/FileView.js

@@ -52,6 +52,8 @@ class FileView extends PureComponent {
 			if(!props.mode || props.mode == "full") {
 				const hdr = store.getContentSliceByEntry(FI,0,16);
 				if(hdr[0] == 0xFF && hdr[1] == 0xD8 && hdr[2] == 0xFF) show_link = "imag";
+				if(hdr[0] == 0x89 && hdr[1] == 0x50 && hdr[2] == 0x4E) show_link = "imag";
+				if(hdr[0] == 0x47 && hdr[1] == 0x49 && hdr[2] == 0x46 && hdr[3] == 0x38) show_link = "imag";
 			}
 
 			const show_imag = this.props.mode == "imag", I = show_imag ? "data:image/jpeg;base64," + btoa(store.getTextByEntry(FI)) : "";