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FIx File proccessing for Browser and Node

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This commit is contained in:
Sam Carlton 2022-07-21 21:30:50 -05:00
parent 7f9d891ab7
commit d7112ae322
2 changed files with 25 additions and 14 deletions
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22
helpers/scanner/client.js
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@ -6,8 +6,7 @@
import * as FileApi from '~/helpers/scanner/file-api.js'
import { isString, isNonEmptyString } from '~/helpers/check-types.js'
import { parsePlistBuffer } from '~/helpers/scanner/parsers/plist.js'
// import { extractMachoMeta } from '~/helpers/scanner/parsers/macho.js'
import { extractMachoMeta } from '~/helpers/scanner/parsers/macho.js'
import { Buffer } from 'buffer/'
// For some reason inline 'import()' works better than 'import from'
@ -229,7 +228,7 @@ export class AppScan {
this.sendMessage({
message: 'ℹ️ Found Info.plist',
data: this.infoPlist,
// data: this.infoPlist
})
}
@ -273,19 +272,24 @@ export class AppScan {
throw new Error( 'More than one primary Macho executable found' )
}
// Get blob data from zip
// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-entry
// Get zip as Uint8Array
const bundleExecutableUint8Array = await this.readFileEntryData( fileEntry, zip.Uint8ArrayWriter )
// console.log( 'bundleExecutableBlob', bundleExecutableBlob.buffer )
const machoFileInstance = new FileApi.File({
name: this.bundleExecutable.filename,
type: 'application/x-mach-binary',
buffer: Buffer.from( bundleExecutableUint8Array ),
buffer: Buffer.from( bundleExecutableUint8Array )
})
this.machoMeta = await extractMachoMeta({ machoFileInstance, FileApi })
// Get zip as blob
// so we can use it in for the File API when we're in the browser context
// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-entry
machoFileInstance.blob = await this.readFileEntryData( fileEntry, zip.BlobWriter )
this.machoMeta = await extractMachoMeta({
machoFileInstance,
FileApi
})
// console.log( 'this.machoMeta', this.machoMeta )

17
helpers/scanner/parsers/macho.js
View file

@ -66,11 +66,9 @@ export class MachoNode {
async run () {
// console.log( 'machoNodeParser', machoNodeParser )
// console.log( 'this.machoFileInstance.buffer.readUInt32LE(0)', this.machoFileInstance.buffer.readUInt32LE(0).toString(16), 4277009103 )
const machoNodeMeta = machoNodeParser.execute( makeFileBuffer( this.machoFileInstance.buffer ) )
// console.log( 'machoNodeMeta', machoNodeMeta.cpu )
const machoNodeMeta = machoNodeParser.execute( this.machoFileInstance.buffer )
return this.mapNodeMetaTOManiacMeta( machoNodeMeta )
}
@ -88,7 +86,16 @@ export class MachoManiac {
// import parseMacho from '~/helpers/macho/index.js'
const { default: parseMacho } = await import( '~/helpers/macho/index.js' )
return await parseMacho( this.machoFileInstance, this.FileApi )
const contextHasFileGlobal = typeof File === 'function'
// In the Browser, MachManiac uses the File API to read the file
// so we check if the global File API is available and convert our machoFileInstance to File API
//
// In the NodeJS environment, MachManiac uses the FileApi module to read the file
// so we pass through the machoFileInstance as is
const fileInstance = contextHasFileGlobal ? (new File( [this.machoFileInstance.blob], 'App' )) : this.machoFileInstance
return await parseMacho( fileInstance, this.FileApi )
}
}