mirror of
https://github.com/ThatGuySam/doesitarm.git
synced 2026-05-18 06:44:46 -07:00
Move scan business login into scan file
This commit is contained in:
Sam Carlton
parent
f82e47c4b6
commit
d37603fcd5
4 changed files with 476 additions and 476 deletions
436
helpers/scanner/scan.mjs
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436
helpers/scanner/scan.mjs
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@ -0,0 +1,436 @@
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import { Buffer } from 'buffer/index.js'
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import prettyBytes from 'pretty-bytes'
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import * as zip from '@zip.js/zip.js'
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import * as FileApi from '~/helpers/scanner/file-api.js'
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import { isString, isNonEmptyString } from '~/helpers/check-types.js'
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import { parsePlistBuffer } from '~/helpers/scanner/parsers/plist.js'
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import { extractMachoMeta } from '~/helpers/scanner/parsers/macho.js'
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// https://gildas-lormeau.github.io/zip.js/core-api.html#configuration
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zip.configure({
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// Disable Web Workers for SSR since Node doesn't support them yet
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// https://vitejs.dev/guide/env-and-mode.html#env-variables
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useWebWorkers: !import.meta.env.SSR
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})
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function makeNodeFileBuffer ( buffer ) {
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const fileBuffer = new Buffer.alloc( buffer.byteLength )
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for (var i = 0; i < buffer.length; i++)
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fileBuffer[i] = buffer[i];
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// console.log( 'this.machoFileInstance', this.machoFileInstance.buffer.byteLength )
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return fileBuffer
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}
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export class AppScan {
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constructor ({
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fileLoader,
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messageReceiver
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}) {
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this.fileLoader = fileLoader
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this.messageReceiver = messageReceiver
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this.status = 'idle'
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this.file = null
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this.bundleFileEntries = []
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this.infoPlist = {}
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this.machoExcutables = []
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// Data that is derived after we've read the files and pulled out the infoPlist
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this.appVersion = ''
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this.displayName = ''
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this.details = []
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this.bundleExecutable = null
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this.displayBinarySize = ''
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this.binarySize = 0
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this.machoMeta = {}
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this.binarySupportsNative = undefined
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this.info = {}
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}
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sendMessage ( details ) {
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if ( details?.status ) {
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this.status = details.status
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}
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if ( typeof( this.messageReceiver ) === 'function' ) {
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this.messageReceiver( details )
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}
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}
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get hasInfoPlist () {
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return Object.keys( this.infoPlist ).length > 0
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}
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get hasMachoMeta () {
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return Object.keys( this.machoMeta ).length > 0
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}
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get hasInfo () {
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return Object.keys( this.info ).length > 0
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}
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get bundleExecutablePath () {
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if ( !this.hasInfoPlist ) return ''
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// There our CFBundleExecutable is a path to the executable
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// then use it
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if ( this.infoPlist.CFBundleExecutable.includes('/') ) return `/Contents/${ this.infoPlist.CFBundleExecutable }`
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// Use default executable path
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return `/Contents/MacOS/${ this.infoPlist.CFBundleExecutable }`
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}
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get supportedArchitectures () {
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if ( !this.hasMachoMeta ) return []
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return this.machoMeta.architectures.filter( architecture => architecture.processorType !== 0 )
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}
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async readFileEntryData ( fileEntry, Writer = zip.TextWriter ) {
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// Get blob data from zip
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// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-entry
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return await fileEntry.getData(
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// writer
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// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-writing
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new Writer()//zip.TextWriter(),
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)
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}
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async readFileBlob ( FileInstance ) {
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return new Promise( async ( resolve, reject ) => {
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// Check if file is a Blob, typically in the Browser
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// otherwise convert it to a Blob, like in Node
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// Both Browser and Node have Blob
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// Node/Our File Polyfill references .arrayBuffer as a property
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// Browser currently references .arrayBuffer as an async method
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const FileBlob = FileInstance instanceof Blob ? FileInstance : new Blob( FileInstance.arrayBuffer )
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// console.log( 'FileBlob', FileBlob )
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const fileReader = new zip.BlobReader( FileBlob )
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// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-reading
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const zipReader = new zip.ZipReader( fileReader )
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zipReader
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.getEntries()
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.then( entries => {
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// do something on entries
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this.sendMessage({
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message: '📖 Reading file complete. Entries found',
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status: 'read'
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})
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resolve( entries )
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})
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})
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}
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classifyBinaryEntryArchitecture ( binaryEntry ) {
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// Find an ARM Architecture
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const armArchitecture = binaryEntry.architectures.find( architecture => {
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// if ( architecture.processorType === 0 ) return false
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// If processorType not a string
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// then return false
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if ( !isString(architecture.processorType) ) return false
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return architecture.processorType.toLowerCase().includes('arm')
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})
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// Was an ARM Architecture found
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return (armArchitecture !== undefined)
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}
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matchesMachoExecutable ( entry ) {
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// Skip files that are deeper than 3 folders
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if ( entry.filename.split('/').length > 4 ) return false
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// Skip folders
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// if ( !!entry.directory ) return false
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// `${ appName }.app/Contents/MacOS/${ appName }`
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// Does this entry path match any of our wanted paths
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return [
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// `${ appName }.app/Contents/MacOS/${ appName }`
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// `.app/Contents/MacOS/`,
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`Contents/MacOS/`
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].some( pathToMatch => {
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return entry.filename.includes( pathToMatch )
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})
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}
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matchesRootInfoPlist ( entry ) {
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// Skip files that are deeper than 2 folders
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if ( entry.filename.split('/').length > 3 ) return false
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// Skip folders
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if ( entry.filename.endsWith('/') ) return false
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// If this entry matches the root info.plist path exactly
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// then we have found the root info.plist
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if ( entry.filename === 'Contents/Info.plist' ) return true
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// Does this entry path match any of our wanted paths
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return [
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// `zoom.us.app/Contents/Info.plist`
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`.app/Contents/Info.plist`,
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`.zip/Contents/Info.plist`
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].some( pathToMatch => {
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return entry.filename.endsWith( pathToMatch )
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})
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}
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fileEntryType ( fileEntry ) {
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if ( !!fileEntry.directory ) return 'directory'
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if ( this.matchesMachoExecutable( fileEntry ) ) return 'machoExecutable'
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if ( this.matchesRootInfoPlist( fileEntry ) ) return 'rootInfoPlist'
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// getData
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return 'unknown'
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}
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storeInfoPlist = async ( fileEntry ) => {
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// Throw if we have more than one target file
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if ( this.hasInfoPlist ) {
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throw new Error( 'More than one root info.plist found' )
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}
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const infoUint8Array = await this.readFileEntryData( fileEntry, zip.Uint8ArrayWriter )
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// console.log( 'infoUint8Array', infoUint8Array )
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const infoNodeBuffer = makeNodeFileBuffer( infoUint8Array )
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// Parse the Info.plist data
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this.infoPlist = await parsePlistBuffer( infoNodeBuffer )
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this.sendMessage({
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message: 'ℹ️ Found Info.plist',
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// data: this.infoPlist
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})
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}
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storeMachoExecutable = ( fileEntry ) => {
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this.machoExcutables.push( fileEntry )
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this.sendMessage({
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message: '🥊 Found a Macho executable',
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// data: machoExecutable,
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})
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}
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storeResultInfo () {
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this.info = {
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filename: this.file.name,
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appVersion: this.appVersion,
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result: this.binarySupportsNative ? '✅' : '🔶',
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machoMeta: {
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...this.machoMeta,
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file: undefined,
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architectures: this.machoMeta.architectures.map( architecture => {
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return {
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bits: architecture.bits,
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fileType: architecture.fileType,
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header: architecture.header,
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loadCommandsInfo: architecture.loadCommandsInfo,
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magic: architecture.magic,
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offset: architecture.offset,
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processorSubType: architecture.processorSubType,
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processorType: architecture.processorType,
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}
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})
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},
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infoPlist: this.infoPlist,
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}
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}
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storeMachoMeta = async ( fileEntry ) => {
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// Throw if we have more than one target file
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if ( this.hasMachoMeta ) {
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throw new Error( 'More than one primary Macho executable found' )
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}
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// Get zip as Uint8Array
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const bundleExecutableUint8Array = await this.readFileEntryData( fileEntry, zip.Uint8ArrayWriter )
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const machoFileInstance = new FileApi.File({
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name: this.bundleExecutable.filename,
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type: 'application/x-mach-binary',
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buffer: Buffer.from( bundleExecutableUint8Array )
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})
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// Get zip as blob
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// so we can use it in for the File API when we're in the browser context
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// https://gildas-lormeau.github.io/zip.js/core-api.html#zip-entry
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machoFileInstance.blob = await this.readFileEntryData( fileEntry, zip.BlobWriter )
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this.machoMeta = await extractMachoMeta({
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machoFileInstance,
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FileApi
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})
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// console.log( 'this.machoMeta', this.machoMeta )
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}
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targetFiles = {
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rootInfoPlist: {
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method: this.storeInfoPlist
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},
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machoExecutable: {
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method: this.storeMachoExecutable,
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}
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}
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findMainExecutable () {
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// Now that we have the info.plist Determine our entry Macho Executable from the list of Macho Executables
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const bundleExecutables = this.machoExcutables.filter( machoEntry => {
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if ( machoEntry.filename.includes( this.bundleExecutablePath ) ) {
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return true
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}
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return this.bundleExecutablePath.includes( machoEntry.filename )
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})
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// Warn if Bundle Executable doesn't look right
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if ( bundleExecutables.length > 1) {
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throw new Error('More than one root bundleExecutable found', bundleExecutables)
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} else if ( bundleExecutables.length === 0 ) {
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throw new Error('No root bundleExecutable found', bundleExecutables)
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}
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return bundleExecutables[ 0 ]
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}
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async findTargetFiles () {
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for ( const fileEntry of this.bundleFileEntries ) {
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const type = this.fileEntryType( fileEntry )
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// console.log( 'fileEntry', type, fileEntry.filename )
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// Check if we have a target file
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if ( this.targetFiles[ type ] ) {
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// console.log( 'fileEntry', type, fileEntry.filename )
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// Call the target file method
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await this.targetFiles[ type ].method( fileEntry )
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}
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// console.log( 'File Entry Type:', type )
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}
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// Now that we have the info.plist Determine our entry Macho Executable from the list of Macho Executables
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// Find valid app version that is a string but not empty
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this.appVersion = ([
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this.infoPlist.CFBundleShortVersionString,
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this.infoPlist.CFBundleVersion
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]).find( isNonEmptyString )[0]
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// Find Display Name that is a string but not empty
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this.displayName = ([
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this.infoPlist.CFBundleDisplayName,
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this.infoPlist.CFBundleName,
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this.infoPlist.CFBundleExecutable,
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]).find( isNonEmptyString )[0]
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// We loop through possible details and add them to the details array
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// if they are not empty
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;([
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[ 'Version', this.infoPlist.CFBundleShortVersionString ],
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[ 'Bundle Identifier', this.infoPlist.CFBundleIdentifier ],
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[ 'File Mime Type', this.file.type ],
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[ 'Copyright', this.infoPlist.NSHumanReadableCopyright ],
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// [ 'Version', info.CFBundleShortVersionString ],
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]).forEach( ([ label, value ]) => {
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if ( !value || value.length === 0 ) return
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this.details.push({
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label,
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value,
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})
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} )
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// Set the bundleExecutable
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this.bundleExecutable = this.findMainExecutable()
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console.log('Parsing ', this.bundleExecutable.filename, this.bundleExecutable.uncompressedSize / 1000 )
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this.displayBinarySize = prettyBytes( this.bundleExecutable.uncompressedSize )
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this.binarySize = this.bundleExecutable.uncompressedSize
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await this.storeMachoMeta( this.bundleExecutable )
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this.binarySupportsNative = this.classifyBinaryEntryArchitecture( this.machoMeta )
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}
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async runScan () {
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// Load in the file
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this.sendMessage({
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message: '🚛 Loading file...',
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status: 'loading'
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})
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this.file = await this.fileLoader()
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// console.log( 'File:', this.file )
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this.bundleFileEntries = await this.readFileBlob( this.file )
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this.sendMessage({
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message: '🎬 Starting scan',
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status: 'scanning'
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})
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await this.findTargetFiles()
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this.storeResultInfo()
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this.sendMessage({
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message: '🔎 Checking online for native versions...',
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status: 'checking'
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})
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// Sleep for 3 seconds
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// await new Promise( resolve => setTimeout( resolve, 3000 ) )
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this.sendMessage({
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message: '🏁 Scan complete! ',
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status: 'complete'
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})
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}
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async start () {
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try {
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await this.runScan()
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} catch ( error ) {
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this.sendMessage({
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message: '🚫 Error: ' + error.message,
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status: 'error',
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error
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})
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}
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}
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}
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