git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 250 insertions, 0 deletions

diff --git a/BSF/admin/site_reader_remote.php b/BSF/admin/site_reader_remote.php
new file mode 100644
index 000000000..31ae3e792
--- /dev/null
+++ b/BSF/admin/site_reader_remote.php
@@ -0,0 +1,250 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008      Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+
+// provides data for site synchronization from a remote listing.xml
+class RemoteSiteReader
+{
+
+var $site_url;
+var $listing_url;
+var $site_dirs;
+var $site_files;
+var $insert_attributes;
+var $metadata_attributes;
+
+function RemoteSiteReader($url, $listing_url)
+{
+  $this->site_url = $url;
+  $this->insert_attributes = array(
+    'tn_ext',
+    );
+  $this->update_attributes = array(
+    'tn_ext', 'representative_ext', 'has_high',
+    );
+  $this->metadata_attributes = array(
+    'filesize', 'width', 'height', 'high_filesize'
+    );
+
+  if (!isset($listing_url))
+  {
+    $this->listing_url = $this->site_url.'/listing.xml';
+  }
+  else
+  {
+    $this->listing_url = $listing_url;
+  }
+}
+
+/**
+ * Is this remote site ok ?
+ *
+ * @return true on success, false otherwise
+ */
+function open()
+{
+  global $errors;
+
+  if (@fopen($this->listing_url, 'r'))
+  {
+    $this->site_dirs = array();
+    $this->site_files = array();
+    $xml_content = getXmlCode($this->listing_url);
+    $info_xml_element = getChild($xml_content, 'informations');
+    if (getAttribute($info_xml_element , 'phpwg_version') != PHPWG_VERSION)
+    {
+      array_push(
+        $errors,
+        array(
+          'path' => $this->listing_url,
+          'type' => 'PWG-ERROR-VERSION'
+          )
+        );
+
+      return false;
+    }
+
+    $additional_metadata = getAttribute($info_xml_element, 'metadata');
+
+    if ($additional_metadata != '')
+    {
+      $this->metadata_attributes = array_merge(
+        $this->metadata_attributes,
+        explode(',', $additional_metadata)
+        );
+    }
+    
+    $this->build_structure($xml_content, '', 0);
+
+    return true;
+  }
+  else
+  {
+    array_push(
+      $errors,
+      array(
+        'path' => $this->listing_url,
+        'type' => 'PWG-ERROR-NOLISTING'
+        )
+      );
+
+    return false;
+  }
+}
+
+// retrieve xml sub-directories fulldirs
+function get_full_directories($basedir)
+{
+  $dirs = array();
+  foreach ( array_keys($this->site_dirs) as $dir)
+  {
+    $full_dir = $this->site_url . $dir;
+    if ($full_dir != $basedir
+        and strpos($full_dir, $basedir) === 0
+      )
+    {
+      array_push($dirs, $full_dir);
+    }
+  }
+  return $dirs;
+}
+
+/**
+ * Returns a hash with all elements (images and files) inside the full $path
+ * according to listing.xml
+ * @param string $path recurse in this directory only
+ * @return array like "pic.jpg"=>array('tn_ext'=>'jpg' ... )
+ */
+function get_elements($path)
+{
+  $elements = array();
+  foreach ( $this->site_dirs as $dir=>$files)
+  {
+    $full_dir = $this->site_url . $dir;
+    if (strpos($full_dir, $path) === 0)
+    {
+      foreach ($files as $file)
+      {
+        $data = $this->get_element_attributes(
+          $file,
+          $this->insert_attributes
+          );
+        $elements[$file] = $data;
+      }
+    }
+  }
+
+  return $elements;
+}
+
+// returns the name of the attributes that are supported for
+// files update/synchronization
+function get_update_attributes()
+{
+  return $this->update_attributes;
+}
+
+function get_element_update_attributes($file)
+{
+  return $this->get_element_attributes(
+    $file,
+    $this->update_attributes
+    );
+}
+
+// returns the name of the attributes that are supported for
+// metadata update/synchronization according to listing.xml
+function get_metadata_attributes()
+{
+  return $this->metadata_attributes;
+}
+
+// returns a hash of attributes (metadata+width,...) for file
+function get_element_metadata($file, $has_high = false)
+{
+  return $this->get_element_attributes(
+    $file,
+    $this->metadata_attributes
+    );
+}
+
+//-------------------------------------------------- private functions --------
+/**
+ * Returns a hash of image/file attributes
+ * @param string $file fully qualified file name
+ * @param array $attributes specifies which attributes to retrieve
+ *  returned
+*/
+function get_element_attributes($file, $attributes)
+{
+  $xml_element = $this->site_files[$file];
+  if (!isset($xml_element))
+  {
+    return null;
+  }
+  $data = array();
+  foreach($attributes as $att)
+  {
+    if (getAttribute($xml_element, $att) != '')
+    {
+      $val = getAttribute($xml_element, $att);
+      $data[$att] = addslashes($val);
+    }
+  }
+  return $data;
+}
+
+// recursively parse the xml_content for later usage
+function build_structure($xml_content, $basedir, $level)
+{
+  $temp_dirs = getChildren($xml_content, 'dir'.$level);
+  foreach ($temp_dirs as $temp_dir)
+  {
+    $dir_name = $basedir;
+    if ($dir_name != '' )
+    {
+      $dir_name .= '/';
+    }
+    $dir_name .= getAttribute($temp_dir, 'name');
+    $this->site_dirs[ $dir_name ] = array();
+    $this->build_structure($temp_dir, $dir_name, $level+1);
+  }
+
+  if ($basedir != '')
+  {
+    $xml_elements = getChildren(
+      getChild($xml_content, 'root'),
+      'element'
+      );
+    foreach ($xml_elements as $xml_element)
+    {
+      $path = getAttribute($xml_element, 'path');
+      $this->site_files[$path] = $xml_element;
+      array_push($this->site_dirs[$basedir], $path);
+    }
+  }
+}
+
+}
+
+?>