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Remove use of window within macho main file

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This commit is contained in:
Sam Carlton 2021-02-02 21:24:12 -06:00
parent 362e5bcc6a
commit 0deabb446f
1 changed files with 25 additions and 15 deletions
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40
helpers/macho/macho.js
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@ -23,13 +23,20 @@ async function arrayBufferToBlob( buffer ) {
return new Blob([buffer])
}
let readers = []
let tempFile
let tempFiles
var ChunkReader = function ChunkReader(file, chunksize = (1024 * 1024), callback = default_callback) {
if(file == undefined) {
throw new Error('Invalid argument for file parameter.');
}
if(window.readers == undefined) { window.readers = []; } //Free list
if(readers == undefined) { readers = []; } //Free list
this.chunksize = chunksize; //Read a kilobyte at a time
this.filesize = file.size;
this.offset = 0;
@ -39,20 +46,23 @@ var ChunkReader = function ChunkReader(file, chunksize = (1024 * 1024), callback
this.blob = file.slice(this.offset, this.offset+this.chunksize);
window.readers[window.readers.length] = new FileReader();
window.readers[window.readers.length-1].onloadend = function(e) {
readers[readers.length] = new FileReader();
readers[readers.length-1].onloadend = function(e) {
callback(e.target.result);
};
window.readers[window.readers.length-1].readAsArrayBuffer(this.blob);
console.log('Sending chunk from 0x'+this.offset.toString(16));
readers[readers.length-1].readAsArrayBuffer(this.blob);
// console.log('Sending chunk from 0x'+this.offset.toString(16));
this.offset+=this.chunksize;
}
for(obj = 0; obj < window.readers.length; obj++) {
window.readers[obj] = undefined;
for(obj = 0; obj < readers.length; obj++) {
readers[obj] = undefined;
}
free("window.readers");
// Clean up readers
readers = undefined
// free("readers");
};
export function MachoParser(file, callback) {
@ -109,7 +119,7 @@ export function MachoParser(file, callback) {
var cmd = null;
if(type == LOAD_COMMAND_TYPE.LC_SEGMENT) {
if(data.length < 48) {
if(window.verbose){console.log('Segment command OOB');}
if(process.env.VERBOSE){ console.log('Segment command OOB'); }
return new LoadCommand(type, data, size, off);
}
let name = new Cstr(data.slice(0, (4*uint32_t)));
@ -150,7 +160,7 @@ export function MachoParser(file, callback) {
arrayBufferToBlob(e.target.result, fileType).then(function(blob) {
let filesize = ((blob.size / 1024) / 1024); //Calculate FileSize in Megabyte
window.tempFile = blob;
tempFile = blob;
//Set up the file and print out for verbosity
machoOutputData.file = file
@ -163,7 +173,7 @@ export function MachoParser(file, callback) {
let data = new Uint8Array(e.target.result);
let magics = FindMagic(data, false); //Try to find all Mach-O magics in the byte array
if(window.debug) { console.log('Parsing all magics...'); }
if ( process.env.DEBUG ) { console.log('Parsing all magics...'); }
//If magics where found, parse the binary.
if(magics.length > 0) {
@ -268,8 +278,8 @@ export function MachoParser(file, callback) {
// blobUtil.
arrayBufferToBlob(data.buffer, fileType).then(function(blob){
if(!window.tempFiles) { window.tempFiles = []; }
window.tempFiles[window.tempFiles.length] = blob;
if(!tempFiles) { tempFiles = []; }
tempFiles[tempFiles.length] = blob;
}).catch(console.log.bind(console));
machoOutputData.architectures.push( architecture )
@ -277,7 +287,7 @@ export function MachoParser(file, callback) {
callback( machoOutputData )
console.log('The parser has finished')
// console.log('The parser has finished')
} else { //(magics.length <= 0) (If we end up here it means no magics were found in the file).
// writeToCallback('This is not a valid Mach-O file.');
@ -290,7 +300,7 @@ export function MachoParser(file, callback) {
this.reader.readAsArrayBuffer(file);
console.log('Parsing, please wait...');
// console.log('Parsing, please wait...');
};