feature:2271

Merge autoupdate plugin into piwigo core.

git-svn-id: http://piwigo.org/svn/trunk@10511 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 481 insertions, 0 deletions

diff --git a/admin/include/updates.class.php b/admin/include/updates.class.php
new file mode 100644
index 000000000..b53001488
--- /dev/null
+++ b/admin/include/updates.class.php
@@ -0,0 +1,481 @@
+<?php

+

+if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');

+

+class updates

+{

+  var $types = array();

+  var $plugins;

+  var $themes;

+  var $languages;

+  var $missing = array();

+  var $default_plugins = array();

+  var $default_themes = array();

+  var $default_languages = array();

+  var $merged_extensions = array();

+  var $merged_extension_url = 'http://piwigo.org/download/merged_extensions.txt';

+

+  function __construct()

+  {

+    $this->types = array('plugins', 'themes', 'languages');

+    $this->default_themes = array('clear', 'dark', 'Sylvia');

+    $this->default_plugins = array('admin_multi_view', 'c13y_upgrade', 'language_switch', 'LocalFilesEditor');

+

+    foreach ($this->types as $type)

+    {

+      include_once(PHPWG_ROOT_PATH.'admin/include/'.$type.'.class.php');

+      $this->$type = new $type();

+    }

+  }

+

+  function check_piwigo_upgrade()

+  {

+    $_SESSION['need_update'] = null;

+

+    if (preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches)

+      and @fetchRemote(PHPWG_URL.'/download/all_versions.php', $result))

+    {

+      $all_versions = @explode("\n", $result);

+      $new_version = trim($all_versions[0]);

+      $_SESSION['need_update'] = version_compare(PHPWG_VERSION, $new_version, '<');

+    }

+  }

+

+  function get_server_extensions($version=PHPWG_VERSION)

+  {

+    global $user;

+

+    $get_data = array(

+      'format' => 'php',

+    );

+

+    // Retrieve PEM versions

+    $versions_to_check = array();

+    $url = PEM_URL . '/api/get_version_list.php';

+    if (fetchRemote($url, $result, $get_data) and $pem_versions = @unserialize($result))

+    {

+      if (!preg_match('/^\d+\.\d+\.\d+/', $version))

+      {

+        $version = $pem_versions[0]['name'];

+      }

+      $branch = substr($version, 0, strrpos($version, '.'));

+      foreach ($pem_versions as $pem_version)

+      {

+        if (strpos($pem_version['name'], $branch) === 0)

+        {

+          $versions_to_check[] = $pem_version['id'];

+        }

+      }

+    }

+    if (empty($versions_to_check))

+    {

+      return false;

+    }

+

+    // Extensions to check

+    $ext_to_check = array();

+    foreach ($this->types as $type)

+    {

+      $fs = 'fs_'.$type;

+      foreach ($this->$type->$fs as $ext)

+      {

+        if (isset($ext['extension']))

+        {

+          $ext_to_check[$ext['extension']] = $type;

+        }

+      }

+    }

+

+    // Retrieve PEM plugins infos

+    $url = PEM_URL . '/api/get_revision_list.php';

+    $get_data = array_merge($get_data, array(

+      'last_revision_only' => 'true',

+      'version' => implode(',', $versions_to_check),

+      'lang' => substr($user['language'], 0, 2),

+      'get_nb_downloads' => 'true',

+      )

+    );

+

+    $post_data = array();

+    if (!empty($ext_to_check))

+    {

+      $post_data['extension_include'] = implode(',', array_keys($ext_to_check));

+    }

+

+    if (fetchRemote($url, $result, $get_data, $post_data))

+    {

+      $pem_exts = @unserialize($result);

+      if (!is_array($pem_exts))

+      {

+        return false;

+      }

+      foreach ($pem_exts as $ext)

+      {

+        if (isset($ext_to_check[$ext['extension_id']]))

+        {

+          $server = 'server_'.$ext_to_check[$ext['extension_id']];

+          $this->$ext_to_check[$ext['extension_id']]->$server += array($ext['extension_id'] => $ext);

+          unset($ext_to_check[$ext['extension_id']]);

+        }

+      }

+      $this->check_missing_extensions($ext_to_check);

+      return true;

+    }

+    return false;

+  }

+

+  // Check all extensions upgrades

+  function check_extensions()

+  {

+    global $conf;

+

+    if (!$this->get_server_extensions())

+    {

+      autoupdate_error();

+    }

+

+    $_SESSION['extensions_need_update'] = array();

+

+    foreach ($this->types as $type)

+    {

+      $fs = 'fs_'.$type;

+      $server = 'server_'.$type;

+      $server_ext = $this->$type->$server;

+      $fs_ext = $this->$type->$fs;

+

+      $ignore_list = array();

+      $need_upgrade = array();

+

+      foreach($fs_ext as $ext_id => $fs_ext)

+      {

+        if (isset($fs_ext['extension']) and isset($server_ext[$fs_ext['extension']]))

+        {

+          $ext_info = $server_ext[$fs_ext['extension']];

+

+          if (!$this->version_compare($fs_ext['version'], $ext_info['revision_name'], $type))

+          {

+            if (in_array($ext_id, $conf['updates_ignored'][$type]))

+            {

+              array_push($ignore_list, $ext_id);

+            }

+            else

+            {

+              $_SESSION['extensions_need_update'][$type][$ext_id] = $ext_info['revision_name'];

+            }

+          }

+        }

+      }

+      $conf['updates_ignored'][$type] = $ignore_list;

+    }

+    conf_update_param('updates_ignored', pwg_db_real_escape_string(serialize($conf['updates_ignored'])));

+  }

+

+  // Check if extension have been upgraded since last check

+  function check_updated_extensions()

+  {

+    foreach ($this->types as $type)

+    {

+      if (!empty($_SESSION['extensions_need_update'][$type]))

+      {

+        $fs = 'fs_'.$type;

+        foreach($this->$type->$fs as $ext_id => $fs_ext)

+        {

+          if (isset($_SESSION['extensions_need_update'][$type][$ext_id])

+            and $this->version_compare($fs_ext['version'], $_SESSION['extensions_need_update'][$type][$ext_id], $type))

+          {

+            // Extension have been upgraded

+            $this->check_extensions();

+            break;

+          }

+        }

+      }

+    }

+  }

+

+  function check_missing_extensions($missing)

+  {

+    foreach ($missing as $id => $type)

+    {

+      $fs = 'fs_'.$type;

+      $default = 'default_'.$type;

+      foreach ($this->$type->$fs as $ext_id => $ext)

+      {

+        if (isset($ext['extension']) and $id == $ext['extension']

+          and !in_array($ext_id, $this->$default)

+          and !in_array($ext['extension'], $this->merged_extensions))

+        {

+          $this->missing[$type][] = $ext;

+          break;

+        }

+      }

+    }

+  }

+

+  function get_merged_extensions($version)

+  {

+    if (fetchRemote($this->merged_extension_url, $result))

+    {

+      $rows = explode("\n", $result);

+      foreach ($rows as $row)

+      {

+        if (preg_match('/^(\d+\.\d+): *(.*)$/', $row, $match))

+        {

+          if (version_compare($version, $match[1], '>='))

+          {

+            $extensions = explode(',', trim($match[2]));

+            $this->merged_extensions = array_merge($this->merged_extensions, $extensions);

+          }

+        }

+      }

+    }

+  }

+

+  function version_compare($a, $b, $type)

+  {

+    $version_compare = rtrim($type, 's').'_version_compare';

+

+    return $this->$type->$version_compare($a, $b);

+  }

+

+  function deltree($path, $move_to_trash=false)

+  {

+    if (is_dir($path))

+    {

+      $fh = opendir($path);

+      while ($file = readdir($fh))

+      {

+        if ($file != '.' and $file != '..')

+        {

+          $pathfile = $path . '/' . $file;

+          if (is_dir($pathfile))

+          {

+            self::deltree($pathfile, $move_to_trash);

+          }

+          else

+          {

+            @unlink($pathfile);

+          }

+        }

+      }

+      closedir($fh);

+      if (@rmdir($path))

+      {

+        return true;

+      }

+      elseif ($move_to_trash)

+      {

+        $trash = PHPWG_ROOT_PATH.'_trash';

+        if (!is_dir($trash))

+        {

+          @mkgetdir($trash);

+        }

+        return @rename($path, $trash . '/'.md5(uniqid(rand(), true)));

+      }

+      else

+      {

+        return false;

+      }

+    }

+  }

+

+  function process_obsolete_list($file)

+  {

+    if (file_exists(PHPWG_ROOT_PATH.$file)

+      and $old_files = file(PHPWG_ROOT_PATH.$file, FILE_IGNORE_NEW_LINES)

+      and !empty($old_files))

+    {

+      array_push($old_files, $file);

+      foreach($old_files as $old_file)

+      {

+        $path = PHPWG_ROOT_PATH.$old_file;

+        if (is_file($path))

+        {

+          @unlink($path);

+        }

+        elseif (is_dir($path))

+        {

+          self::deltree($path, true);

+        }

+      }

+    }

+  }

+

+  function dump_database($include_history=false)

+  {

+    global $page, $conf, $cfgBase;

+

+    if (version_compare(PHPWG_VERSION, '2.1', '<'))

+    {

+      $conf['db_base'] = $cfgBase;

+    }

+

+    include(PHPWG_ROOT_PATH.'admin/include/mysqldump.php');

+

+    $path = $conf['local_data_dir'].'/update';

+

+    if (@mkgetdir($path)

+      and ($backupFile = tempnam($path, 'sql'))

+      and ($dumper = new MySQLDump($conf['db_base'],$backupFile,false,false)))

+    {

+      foreach (get_defined_constants() as $constant => $value)

+      {

+        if (preg_match('/_TABLE$/', $constant))

+        {

+          $dumper->getTableStructure($value);

+          if ($constant == 'HISTORY_TABLE' and !$include_history)

+          {

+            continue;

+          }

+          $dumper->getTableData($value);

+        }

+      }

+    }

+

+    if (@filesize($backupFile))

+    {

+      $http_headers = array(

+        'Content-Length: '.@filesize($backupFile),

+        'Content-Type: text/x-sql',

+        'Content-Disposition: attachment; filename="database.sql";',

+        'Content-Transfer-Encoding: binary',

+        );

+

+      foreach ($http_headers as $header) {

+        header($header);

+      }

+

+      @readfile($backupFile);

+      self::deltree($conf['local_data_dir'].'/update');

+      exit();

+    }

+    else

+    {

+      array_push($page['errors'], l10n('Unable to dump database.'));

+    }

+  }

+

+  function upgrade_to($upgrade_to, &$step)

+  {

+    global $page, $conf, $template;

+

+    if (!version_compare($_POST['upgrade_to'], PHPWG_VERSION, '>'))

+    {

+      redirect(get_root_url().'admin.php?page=plugin-'.basename(dirname(__FILE__)));

+    }

+

+    if ($step == 2)

+    {

+      preg_match('/(\d+\.\d+)\.(\d+)/', PHPWG_VERSION, $matches);

+      $code =  $matches[1].'.x_to_'.$_POST['upgrade_to'];

+      $dl_code = str_replace(array('.', '_'), '', $code);

+      $remove_path = $code;

+      $obsolete_list = 'obsolete.list';

+    }

+    else

+    {

+      $code = $_POST['upgrade_to'];

+      $dl_code = $code;

+      $remove_path = version_compare($code, '2.0.8', '>=') ? 'piwigo' : 'piwigo-'.$code;

+      $obsolete_list = PHPWG_ROOT_PATH.'install/obsolete.list';

+    }

+

+    if (empty($page['errors']))

+    {

+      $path = $conf['local_data_dir'].'/update';

+      $filename = $path.'/'.$code.'.zip';

+      @mkgetdir($path);

+

+      $chunk_num = 0;

+      $end = false;

+      $zip = @fopen($filename, 'w');

+      while (!$end)

+      {

+        $chunk_num++;

+        if (@fetchRemote(PHPWG_URL.'/download/dlcounter.php?code='.$dl_code.'&chunk_num='.$chunk_num, $result)

+          and $input = @unserialize($result))

+        {

+          if (0 == $input['remaining'])

+          {

+            $end = true;

+          }

+          @fwrite($zip, base64_decode($input['data']));

+        }

+        else

+        {

+          $end = true;

+        }

+      }

+      @fclose($zip);

+

+      if (@filesize($filename))

+      {

+        $zip = new PclZip($filename);

+        if ($result = $zip->extract(PCLZIP_OPT_PATH, PHPWG_ROOT_PATH,

+                                    PCLZIP_OPT_REMOVE_PATH, $remove_path,

+                                    PCLZIP_OPT_SET_CHMOD, 0755,

+                                    PCLZIP_OPT_REPLACE_NEWER))

+        {

+          //Check if all files were extracted

+          $error = '';

+          foreach($result as $extract)

+          {

+            if (!in_array($extract['status'], array('ok', 'filtered', 'already_a_directory')))

+            {

+              // Try to change chmod and extract

+              if (@chmod(PHPWG_ROOT_PATH.$extract['filename'], 0777)

+                and ($res = $zip->extract(PCLZIP_OPT_BY_NAME, $remove_path.'/'.$extract['filename'],

+                                          PCLZIP_OPT_PATH, PHPWG_ROOT_PATH,

+                                          PCLZIP_OPT_REMOVE_PATH, $remove_path,

+                                          PCLZIP_OPT_SET_CHMOD, 0755,

+                                          PCLZIP_OPT_REPLACE_NEWER))

+                and isset($res[0]['status'])

+                and $res[0]['status'] == 'ok')

+              {

+                continue;

+              }

+              else

+              {

+                $error .= $extract['filename'].': '.$extract['status']."\n";

+              }

+            }

+          }

+

+          if (empty($error))

+          {

+            self::obsolete_list($obsolete_list);

+            self::deltree($conf['local_data_dir'].'/update');

+            invalidate_user_cache(true);

+            $template->delete_compiled_templates();

+            unset($_SESSION['need_update']);

+            if ($step == 2)

+            {

+              array_push($page['infos'], sprintf(l10n('autoupdate_success'), $upgrade_to));

+              $step = -1;

+            }

+            else

+            {

+              redirect(PHPWG_ROOT_PATH.'upgrade.php?now=');

+            }

+          }

+          else

+          {

+            file_put_contents($conf['local_data_dir'].'/update/log_error.txt', $error);

+            $relative_path = trim(str_replace(dirname(dirname(dirname(dirname(__FILE__)))), '', $conf['local_data_dir']), '/\\');

+            array_push($page['errors'], sprintf(l10n('autoupdate_extract_fail'), PHPWG_ROOT_PATH.$relative_path.'/update/log_error.txt'));

+          }

+        }

+        else

+        {

+          self::deltree($conf['local_data_dir'].'/update');

+          array_push($page['errors'], l10n('autoupdate_fail'));

+        }

+      }

+      else

+      {

+        array_push($page['errors'], l10n('Piwigo cannot retrieve upgrade file from server'));

+      }

+    }

+  }

+}

+

+?>
\ No newline at end of file