122 lines
2.9 KiB
PHP
122 lines
2.9 KiB
PHP
<?php
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class Archive {
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private static $TAR_CMD = "$(cd [ROOTDIR] && tar --no-recursion -cf [TARGET] [DIRS] [FILES])";
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private static $ZIP_CMD = "$(cd [ROOTDIR] && zip [TARGET] [FILES])";
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private $app, $dirs, $files, $sc401;
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public function __construct($app) {
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$this->app = $app;
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}
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public function create($execution, $format, $hrefs) {
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$this->dirs = array();
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$this->files = array();
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$this->add_hrefs($hrefs);
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if (count($this->dirs) === 0 && count($this->files) === 0) {
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return 404;
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}
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$target = $this->app->get_cache_abs_path() . "/package-" . sha1(microtime(true) . rand()) . "." . $format;
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try {
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if ($execution === "shell") {
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if ($format === "tar") {
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$cmd = Archive::$TAR_CMD;
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} else if ($format === "zip") {
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$cmd = Archive::$ZIP_CMD;
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} else {
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return null;
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}
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$cmd = str_replace("[ROOTDIR]", "\"" . $this->app->get_root_abs_path() . "\"", $cmd);
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$cmd = str_replace("[TARGET]", "\"" . $target . "\"", $cmd);
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$cmd = str_replace("[DIRS]", count($this->dirs) ? "\"" . implode("\" \"", array_values($this->dirs)) . "\"" : "", $cmd);
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$cmd = str_replace("[FILES]", count($this->files) ? "\"" . implode("\" \"", array_values($this->files)) . "\"" : "", $cmd);
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shell_exec($cmd);
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} else if ($execution === "php") {
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$archive = new PharData($target);
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foreach ($this->dirs as $archived_dir) {
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$archive->addEmptyDir($archived_dir);
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}
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foreach ($this->files as $real_file => $archived_file) {
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$archive->addFile($real_file, $archived_file); // very, very slow :/
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}
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}
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} catch (Exeption $err) {
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return 500;
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}
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return @filesize($target) ? $target : null;
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}
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private function add_hrefs($hrefs) {
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foreach ($hrefs as $href) {
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$d = normalize_path(dirname($href), true);
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$n = basename($href);
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$code = $this->app->get_http_code($d);
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if ($code == App::$MAGIC_SEQUENCE && !$this->app->is_ignored($n)) {
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$real_file = $this->app->get_abs_path($href);
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$archived_file = preg_replace("!^" . normalize_path($this->app->get_root_abs_path(), true) . "!", "", $real_file);
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if (is_dir($real_file)) {
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$this->add_dir($real_file, $archived_file);
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} else {
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$this->add_file($real_file, $archived_file);
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}
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}
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}
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}
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private function add_file($real_file, $archived_file) {
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if (is_readable($real_file)) {
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$this->files[$real_file] = $archived_file;
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}
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}
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private function add_dir($real_dir, $archived_dir) {
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$code = $this->app->get_http_code($this->app->get_abs_href($real_dir));
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if ($code == App::$MAGIC_SEQUENCE) {
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$this->dirs[] = $archived_dir;
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$files = $this->app->read_dir($real_dir);
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foreach ($files as $file) {
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$real_file = $real_dir . "/" . $file;
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$archived_file = $archived_dir . "/" . $file;
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if (is_dir($real_file)) {
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$this->add_dir($real_file, $archived_file);
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} else {
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$this->add_file($real_file, $archived_file);
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}
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}
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}
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}
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}
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?>
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