✏️ Editing: PharComposer.php Read Only

<?php

namespace Clue\PharComposer\Phar;

use Clue\PharComposer\Logger;
use Clue\PharComposer\Package\Package;
use Clue\PharComposer\Box\StubGenerator;

/**
 * The PharComposer is responsible for collecting options and then building the target phar
 */
class PharComposer
{
    private $package;
    private $main = null;
    private $target = null;
    private $logger;
    private $step = '?';

/**
     * @param string $path path to composer.json file
     * @throws \InvalidArgumentException when given $path can not be parsed as JSON
     */
    public function __construct($path)
    {
        $this->package = new Package($this->loadJson($path), dirname(realpath($path)));
        $this->logger = new Logger();
    }

/**
     * set output function to use to output log messages
     *
     * @param callable|boolean $output callable that receives a single $line argument or boolean echo
     */
    public function setOutput($output)
    {
        $this->logger->setOutput($output);
    }

/**
     * Get path to target phar file (absolute path or relative to current directory)
     *
     * @return string
     */
    public function getTarget()
    {
        if ($this->target === null) {
            $this->target = $this->package->getShortName() . '.phar';
        }
        return $this->target;
    }

/**
     * Set path to target phar file (absolute path or relative to current directory)
     *
     * If the given path is a directory, the default target (package short name)
     * will be appended automatically.
     *
     * @param string $target
     * @return $this
     */
    public function setTarget($target)
    {
        // path is actually a directory => append package name
        if (is_dir($target)) {
            $this->target = null;
            $target = rtrim($target, '/') . '/' . $this->getTarget();
        }
        $this->target = $target;
        return $this;
    }

/**
     * Get path to main bin (relative to package directory)
     *
     * @return string
     * @throws \UnexpectedValueException
     */
    public function getMain()
    {
        if ($this->main === null) {
            foreach ($this->package->getBins() as $path) {
                if (!file_exists($this->package->getDirectory() . $path)) {
                    throw new \UnexpectedValueException('Bin file "' . $path . '" does not exist');
                }
                $this->main = $path;
                break;
            }
        }
        return $this->main;
    }

/**
     * set path to main bin (relative to package directory)
     *
     * @param string $main
     * @return $this
     */
    public function setMain($main)
    {
        $this->main = $main;
        return $this;
    }

/**
     *
     * @return Package
     */
    public function getPackageRoot()
    {
        return $this->package;
    }

/**
     *
     * @return Package[]
     */
    public function getPackagesDependencies()
    {
        $packages = array();

$pathVendor = $this->package->getDirectory() . $this->package->getPathVendor();

// load all installed packages (use installed.json which also includes version instead of composer.lock)
        if (is_file($pathVendor . 'composer/installed.json')) {
            // file does not exist if there's nothing to be installed
            $installed = $this->loadJson($pathVendor . 'composer/installed.json');

// Composer 2.0 format wrapped in additional root key
            if (isset($installed['packages'])) {
                $installed = $installed['packages'];
            }

foreach ($installed as $package) {
                $dir = $package['name'] . '/';
                if (isset($package['target-dir'])) {
                    $dir .= trim($package['target-dir'], '/') . '/';
                }

$dir = $pathVendor . $dir;
                $packages []= new Package($package, $dir);
            }
        }

return $packages;
    }

public function build()
    {
        $this->log('[' . $this->step . '/' . $this->step.'] Creating phar <info>' . $this->getTarget() . '</info>');
        $time = microtime(true);

$pathVendor = $this->package->getDirectory() . $this->package->getPathVendor();
        if (!is_dir($pathVendor)) {
            throw new \RuntimeException('Directory "' . $pathVendor . '" not properly installed, did you run "composer install"?');
        }

// get target and tempory file name to write to
        $target = $this->getTarget();
        do {
            $tmp = $target . '.' . mt_rand() . '.phar';
        } while (file_exists($tmp));

$targetPhar = new TargetPhar(new \Phar($tmp), $this);
        $this->log('  - Adding main package "' . $this->package->getName() . '"');
        $targetPhar->addBundle($this->package->bundle());

$this->log('  - Adding composer base files');
        // explicitly add composer autoloader
        $targetPhar->addFile($pathVendor . 'autoload.php');

// only add composer base directory (no sub-directories!)
        $targetPhar->buildFromIterator(new \GlobIterator($pathVendor . 'composer/*.*', \FilesystemIterator::KEY_AS_FILENAME));

foreach ($this->getPackagesDependencies() as $package) {
            $this->log('  - Adding dependency "' . $package->getName() . '" from "' . $this->getPathLocalToBase($package->getDirectory()) . '"');
            $targetPhar->addBundle($package->bundle());
        }

$this->log('  - Setting main/stub');
        $chmod = 0755;
        $main = $this->getMain();
        if ($main === null) {
            $this->log('    WARNING: No main bin file defined! Resulting phar will NOT be executable');
        } else {
            $generator = StubGenerator::create()
                ->index($main)
                ->extract(true)
                ->banner("Bundled by phar-composer with the help of php-box.\n\n@link https://github.com/clue/phar-composer");

$lines = file($this->package->getDirectory() . $main, FILE_IGNORE_NEW_LINES);
            if (substr($lines[0], 0, 2) === '#!') {
                $this->log('    Using referenced shebang "'. $lines[0] . '"');
                $generator->shebang($lines[0]);

// remove shebang from main file and add (overwrite)
                unset($lines[0]);
                $targetPhar->addFromString($main, implode("\n", $lines));
            }

$targetPhar->setStub($generator->generate());

$chmod = octdec(substr(decoct(fileperms($this->package->getDirectory() . $main)),-4));
            $this->log('    Using referenced chmod ' . sprintf('%04o', $chmod));
        }

// stop buffering contents in memory and write to file
        // failure to write will emit a warning (ignore) and throw an (uncaught) exception
        try {
            @$targetPhar->stopBuffering();
            $targetPhar = null;
        } catch (\PharException $e) {
            throw new \RuntimeException('Unable to write phar: ' . $e->getMessage());
        }

if ($chmod !== null) {
            $this->log('    Applying chmod ' . sprintf('%04o', $chmod));
            if (chmod($tmp, $chmod) === false) {
                throw new \UnexpectedValueException('Unable to chmod target file "' . $target .'"');
            }
        }

if (file_exists($target)) {
            $this->log('  - Overwriting existing file <info>' . $target . '</info> (' . $this->getSize($target) . ')');
        }

if (@rename($tmp, $target) === false) {
            // retry renaming after sleeping to give slow network drives some time to flush data
            sleep(5);
            if (rename($tmp, $target) === false) {
                throw new \UnexpectedValueException('Unable to rename temporary phar archive to "'.$target.'"');
            }
        }

$time = max(microtime(true) - $time, 0);

$this->log('');
        $this->log('    <info>OK</info> - Creating <info>' . $this->getTarget() .'</info> (' . $this->getSize($this->getTarget()) . ') completed after ' . round($time, 1) . 's');
    }

private function getSize($path)
    {
        return round(filesize($path) / 1024, 1) . ' KiB';
    }

public function getPathLocalToBase($path)
    {
        $root = $this->package->getDirectory();
        if (strpos($path, $root) !== 0) {
            throw new \UnexpectedValueException('Path "' . $path . '" is not within base project path "' . $root . '"');
        }
        return substr($path, strlen($root));
    }

public function log($message)
    {
        $this->logger->log($message);
    }

public function setStep($step)
    {
        $this->step = $step;
    }

/**
     * @param string $path
     * @return mixed
     * @throws \InvalidArgumentException
     */
    private function loadJson($path)
    {
        $ret = @json_decode(file_get_contents($path), true);
        if ($ret === null) {
            throw new \InvalidArgumentException('Unable to parse given path "' . $path . '"', json_last_error());
        }
        return $ret;
    }
}

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