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122 lines
3.0 KiB
PHP
122 lines
3.0 KiB
PHP
<?php
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namespace CubiStore\Web\Utils;
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use SimpleXMLElement;
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class Apk
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{
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/**
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* @var string
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*/
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private $file;
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/**
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* @var SimpleXMLElement|null
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*/
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private $manifest;
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/**
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* Apk constructor.
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* @param string $file
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*/
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public function __construct(string $file)
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{
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$this->file = $file;
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}
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public function isValid(): bool
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{
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// Get first 4 bytes
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$fh = fopen($this->file, 'r');
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if ($fh === false) {
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throw new \RuntimeException("Failed to open file '{$this->file}'");
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}
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$header = fread($fh, 4);
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if ($header === false) {
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throw new \RuntimeException("Failed to read file '{$this->file}'");
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}
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fclose($fh);
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// Check if uploaded file is a valid ZIP file
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if ($header !== "PK\x03\x04") {
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return false;
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}
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$zip = new \ZipArchive();
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$zip->open($this->file);
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$valid = $zip->statName("AndroidManifest.xml") !== false && $zip->statName("resources.arsc");
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$zip->close();
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return $valid;
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}
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public function getManifest(): SimpleXMLElement
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{
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if ($this->manifest === null) {
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$xml = $this->cmd('androguard', 'axml', '-o', '/dev/stdout', $this->file);
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$simpleXml = simplexml_load_string($xml);
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if ($simpleXml === false) {
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throw new \RuntimeException("Failed to parse AndroidManifest.xml from '{$this->file}'");
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}
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$this->manifest = $simpleXml;
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}
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return $this->manifest;
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}
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private function getAttribute(string $name, ?string $namespace = null): string
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{
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if ($namespace !== null) {
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return (string)$this->getManifest()->attributes($namespace, true)[$name];
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}
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return (string)$this->getManifest()[$name];
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}
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public function getPackageName(): string
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{
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return $this->getAttribute('package');
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}
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public function getVersionCode(): int
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{
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return intval($this->getAttribute('versionCode', 'android'), 10);
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}
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public function getVersionName(): string
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{
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return $this->getAttribute('versionName', 'android');
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}
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public function getLabel(): string
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{
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$code = (string)$this->getManifest()->application->attributes('android', true)['label'];
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$output = $this->cmd('androguard', 'arsc', '--id', $code, $this->file);
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preg_match(':\<default\> = \'(.*)\'$:m', $output, $matches);
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return stripslashes($matches[1]);
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}
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private function cmd(string $cmd, string... $args): string
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{
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$fullCommand = $cmd . ' ' . implode(' ', array_map('escapeshellarg', $args));
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$proc = popen($fullCommand, 'r');
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if ($proc === false) {
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throw new \RuntimeException("Failed running: $fullCommand");
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}
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$data = '';
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while ($text = fread($proc, 1024)) {
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$data .= $text;
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}
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pclose($proc);
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return $data;
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}
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}
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