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374 lines
13 KiB
PHP
374 lines
13 KiB
PHP
<?php
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//
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Stig Bakken <ssb@fast.no> |
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// | Tomas V.V.Cox <cox@idecnet.com> |
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// | |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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require_once 'PEAR/Common.php';
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require_once 'PEAR/Registry.php';
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require_once 'PEAR/Dependency.php';
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/**
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* Administration class used to install PEAR packages and maintain the
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* installed package database.
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*
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* TODO:
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* - Install the "role=doc" files in a central pear doc dir
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* - kill FIXME's
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*
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* @since PHP 4.0.2
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* @author Stig Bakken <ssb@fast.no>
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*/
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class PEAR_Installer extends PEAR_Common
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{
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// {{{ properties
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/** name of the package directory, for example Foo-1.0 */
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var $pkgdir;
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/** directory where PHP code files go */
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var $phpdir;
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/** directory where PHP extension files go */
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var $extdir;
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/** directory where documentation goes */
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var $docdir;
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/** directory where the package wants to put files, relative
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* to one of the three previous dirs
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*/
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var $destdir = '';
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/** debug level (integer) */
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var $debug = 1;
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/** temporary directory */
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var $tmpdir;
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/** PEAR_Registry object used by the installer */
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var $registry;
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// }}}
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// {{{ constructor
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function PEAR_Installer($phpdir = PEAR_INSTALL_DIR,
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$extdir = PEAR_EXTENSION_DIR,
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$docdir = null)
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{
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$this->PEAR();
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$this->phpdir = $phpdir;
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$this->extdir = $extdir;
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if ($docdir === null) {
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$docdir = PHP_DATADIR . DIRECTORY_SEPARATOR . 'pear' .
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DIRECTORY_SEPARATOR . 'doc';
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}
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$this->docdir = $docdir;
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}
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// }}}
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// {{{ _deletePackageFiles()
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function _deletePackageFiles($package)
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{
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$info = $this->registry->packageInfo($package);
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if ($info == null) {
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return $this->raiseError("$package not installed");
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}
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foreach ($info['filelist'] as $file => $props) {
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$path = $props['installed_as'];
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// XXX TODO: do a "rmdir -p dirname($path)" to maintain clean the fs
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if (!@unlink($path)) {
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$this->log(2, "unable to delete: $path");
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} else {
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$this->log(2, "+ deleted file: $path");
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}
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}
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}
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// }}}
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// {{{ _installFile()
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function _installFile($file, $atts, $tmp_path)
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{
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$type = strtolower($atts['role']);
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switch ($type) {
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case 'test':
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// don't install test files for now
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$this->log(2, "+ Test file $file won't be installed yet");
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return true;
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break;
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case 'doc':
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$dest_dir = $this->docdir . DIRECTORY_SEPARATOR .
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$this->pkginfo['package'];
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break;
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case 'php':
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default: {
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$dest_dir = $this->phpdir;
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if (isset($atts['baseinstalldir'])) {
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$dest_dir .= DIRECTORY_SEPARATOR . $atts['baseinstalldir'];
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}
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if (dirname($file) != '.') {
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$dest_dir .= DIRECTORY_SEPARATOR . dirname($file);
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}
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break;
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}
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}
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$dest_file = $dest_dir . DIRECTORY_SEPARATOR . basename($file);
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if (!@is_dir($dest_dir)) {
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if (!$this->mkDirHier($dest_dir)) {
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$this->log(0, "failed to mkdir $dest_dir");
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return false;
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}
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$this->log(2, "+ created dir $dest_dir");
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}
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$orig_file = $tmp_path . DIRECTORY_SEPARATOR . $file;
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$orig_perms = fileperms($orig_file);
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if (!@copy($orig_file, $dest_file)) {
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$this->log(0, "failed to copy $orig_file to $dest_file");
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return false;
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}
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chmod($dest_file, $orig_perms);
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$this->log(2, "+ copy $orig_file to $dest_file");
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// Store the full path where the file was installed for easy unistall
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$this->pkginfo['filelist'][$file]['installed_as'] = $dest_file;
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$this->log(1, "installed file $dest_file");
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return true;
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}
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// }}}
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// {{{ install()
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/**
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* Installs the files within the package file specified.
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*
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* @param $pkgfile path to the package file
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*
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* @return bool true if successful, false if not
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*/
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function install($pkgfile, $options = array(), $config = null)
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{
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// recognized options:
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// - register_only : update registry but don't install files
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// - upgrade : upgrade existing install
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//
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if (empty($this->registry)) {
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$this->registry = new PEAR_Registry($this->phpdir);
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}
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$oldcwd = getcwd();
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$need_download = false;
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if (preg_match('#^(http|ftp)://#', $pkgfile)) {
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$need_download = true;
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} elseif (!@is_file($pkgfile)) {
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if (preg_match('/^[A-Z][A-Za-z0-9_]+$/', $pkgfile)) {
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// valid package name
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if ($config === null) {
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$pkgfile = "http://pear.php.net/get/$pkgfile";
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} else {
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$pkgfile = "http://" . $config->get('master_server') .
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"/get/$pkgfile";
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}
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$need_download = true;
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} else {
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return $this->raiseError("could not open the package file: $pkgfile");
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}
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}
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// Download package -----------------------------------------------
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if ($need_download) {
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$file = basename($pkgfile);
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if (PEAR::isError($downloaddir = $this->mkTempDir())) {
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return $downloaddir;
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}
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$this->log(2, '+ tmp dir created at ' . $downloaddir);
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$downloadfile = $downloaddir . DIRECTORY_SEPARATOR . $file;
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$this->log(1, "downloading $pkgfile ...");
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if (!$fp = @fopen($pkgfile, 'r')) {
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return $this->raiseError("$pkgfile: failed to download ($php_errormsg)");
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}
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// XXX FIXME should check content-disposition header
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// for now we set the "force" option to avoid an error
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// because of a temp. package file called "Package"
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if (!$wp = @fopen($downloadfile, 'w')) {
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return $this->raiseError("$downloadfile: write failed ($php_errormsg)");
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}
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$bytes = 0;
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while ($data = @fread($fp, 16384)) {
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$bytes += strlen($data);
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if (!@fwrite($wp, $data)) {
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return $this->raiseError("$downloadfile: write failed ($php_errormsg)");
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}
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}
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$pkgfile = $downloadfile;
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fclose($fp);
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fclose($wp);
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$this->log(1, '...done: ' . number_format($bytes, 0, '', ',') . ' bytes');
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}
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// Decompress pack in tmp dir -------------------------------------
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// To allow relative package file calls
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if (!chdir(dirname($pkgfile))) {
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return $this->raiseError('unable to chdir to package directory');
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}
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$pkgfile = getcwd() . DIRECTORY_SEPARATOR . basename($pkgfile);
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if (PEAR::isError($tmpdir = $this->mkTempDir())) {
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chdir($oldcwd);
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return $tmpdir;
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}
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$this->log(2, '+ tmp dir created at ' . $tmpdir);
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$tar = new Archive_Tar($pkgfile, true);
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if (!@$tar->extract($tmpdir)) {
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chdir($oldcwd);
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return $this->raiseError("unable to unpack $pkgfile");
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}
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/*
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$file = basename($pkgfile);
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// Assume the decompressed dir name
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if (($pos = strrpos($file, '.')) === false) {
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chdir($oldcwd);
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return $this->raiseError("invalid package name");
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}
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$pkgdir = substr($file, 0, $pos);
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*/
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$dp = opendir($tmpdir);
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do {
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$pkgdir = readdir($dp);
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} while ($pkgdir{0} == '.');
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$descfile = $tmpdir . DIRECTORY_SEPARATOR . $pkgdir . DIRECTORY_SEPARATOR . 'package.xml';
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if (!is_file($descfile)) {
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chdir($oldcwd);
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return $this->raiseError("no package.xml file after extracting the archive");
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}
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// Parse xml file -----------------------------------------------
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$pkginfo = $this->infoFromDescriptionFile($descfile);
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if (PEAR::isError($pkginfo)) {
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chdir($oldcwd);
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return $pkginfo;
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}
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$pkgname = $pkginfo['package'];
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// Check dependencies -------------------------------------------
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if (isset($pkginfo['release_deps']) && !isset($options['nodeps'])) {
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$error = $this->checkDeps($pkginfo);
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if ($error) {
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$this->log(0, $error);
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return $this->raiseError('Dependencies failed');
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}
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}
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if (empty($options['upgrade'])) {
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// checks to do only when installing new packages
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if (empty($options['force']) && $this->registry->packageExists($pkgname)) {
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return $this->raiseError("$pkgname already installed");
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}
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} else {
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// check to do only when upgrading packages
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if (!$this->registry->packageExists($pkgname)) {
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return $this->raiseError("$pkgname not installed");
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}
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$v1 = $this->registry->packageInfo($pkgname, 'version');
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$v2 = $pkginfo['version'];
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$cmp = version_compare($v1, $v2, 'gt');
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if (empty($options['force']) && !version_compare($v2, $v1, 'gt')) {
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return $this->raiseError("upgrade to a newer version ($v2 is not newer than $v1)");
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}
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if (empty($options['register_only'])) {
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// when upgrading, remove old release's files first:
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$this->_deletePackageFiles($package);
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}
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}
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// Copy files to dest dir ---------------------------------------
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// info from the package it self we want to access from _installFile
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$this->pkginfo = $pkginfo;
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if (empty($options['register_only'])) {
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if (!is_dir($this->phpdir)) {
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chdir($oldcwd);
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return $this->raiseError("no script destination directory\n",
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null, PEAR_ERROR_DIE);
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}
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$tmp_path = dirname($descfile);
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foreach ($pkginfo['filelist'] as $file => $atts) {
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$this->_installFile($file, $atts, $tmp_path);
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}
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}
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// Register that the package is installed -----------------------
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if (empty($options['upgrade'])) {
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$ret = $this->registry->addPackage($pkgname, $this->pkginfo);
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} else {
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$ret = $this->registry->updatePackage($pkgname, $this->pkginfo, false);
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}
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chdir($oldcwd);
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return $ret;
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}
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// }}}
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// {{{ uninstall()
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function uninstall($package)
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{
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if (empty($this->registry)) {
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$this->registry = new PEAR_Registry($this->phpdir);
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}
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// Delete the files
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$this->_deletePackageFiles($package);
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// Register that the package is no longer installed
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return $this->registry->deletePackage($package);
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}
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// }}}
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// {{{ checkDeps()
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function checkDeps(&$pkginfo)
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{
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$deps = new PEAR_Dependency;
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$errors = null;
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if (is_array($pkginfo['release_deps'])) {
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foreach($pkginfo['release_deps'] as $dep) {
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if ($error = $deps->callCheckMethod($dep)) {
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$errors .= "\n$error";
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}
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}
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if ($errors) {
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return $errors;
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}
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}
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return false;
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}
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// }}}
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}
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?>
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