<?php
/*************************
  Coppermine Photo Gallery
  ************************
  Copyright (c) 2003-2016 Coppermine Dev Team
  v1.0 originally written by Gregory Demar

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License version 3
  as published by the Free Software Foundation.

  ********************************************
  Coppermine version: 1.5.42
  $HeadURL: https://svn.code.sf.net/p/coppermine/code/trunk/cpg1.5.x/plugins/opensearch/codebase.php $
  $Revision: 8846 $
**********************************************/

if (!defined('IN_COPPERMINE')) die('Not in Coppermine...');
if (!defined('CORE_PLUGIN')) {
    define('CORE_PLUGIN', true);
}

$thisplugin->add_action('plugin_install','opensearch_install');
$thisplugin->add_action('plugin_configure','opensearch_configure');
$thisplugin->add_action('plugin_uninstall','opensearch_uninstall');

$thisplugin->add_filter('page_meta','opensearch_meta');

function opensearch_meta(){

    global $CONFIG, $lang_plugin_php;

    return '<link rel="search" href="plugins/opensearch/osd.xml" type="application/opensearchdescription+xml" title="' . sprintf($lang_plugin_php['opensearch_search'], $CONFIG['gallery_name']).'" />';
}

function opensearch_uninstall() {
    // We have to restore the XML file to how it was in case the user decides to re-install the plugin
    global $CONFIG, $lang_plugin_php;
    $osd = 'plugins/opensearch/osd.xml';
    $handle = fopen($osd, "w+");
    if (!$handle) {
        echo '<p style="color: red; text-align: center">'.sprintf($lang_plugin_php['opensearch_failed_to_open_file'], $osd).'.</p>';
        return 1;
    }
    $content = <<< EOT
<?xml version="1.0" encoding="UTF-8"?>

<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
 <ShortName>{SHORT_NAME}</ShortName>
 <Description>{DESCRIPTION}</Description>
 <Url type="text/html" template="{SITE_URL}thumbnails.php?album=search&amp;search={searchTerms}"/>
</OpenSearchDescription>

EOT;
    $written = fwrite($handle, $content);
    if (!$written) {
        echo '<p style="color: red; text-align: center">'.sprintf($lang_plugin_php['opensearch_failed_to_write_file'], $osd).'</p>';
        fclose($handle);
        return 1;
    }

    fclose($handle);

    return true;
}

function opensearch_install() {

    global $CONFIG, $lang_plugin_php;
    $superCage = Inspekt::makeSuperCage();

    $osd = 'plugins/opensearch/osd.xml';

    $handle = fopen($osd, "r+");

    if (!$handle) {
        echo '<p style="color: red; text-align: center">'.sprintf($lang_plugin_php['opensearch_failed_to_open_file'], $osd).'.</p>';
        return 1;
    }

    //if (empty($_POST['os_submit'])) return 1;
    if ($superCage->post->keyExists('os_submit')) {
    } else {
        return 1;
    }

    $content = fread($handle, filesize($osd));

    // There's no real sanitization here yet (should be added) - we only rely on this screen being admin-only
    $data = array(
        '{SHORT_NAME}' => substr($superCage->post->getRaw('os_name'), 0, 16),
        '{DESCRIPTION}' => substr($superCage->post->getRaw('os_desc'), 0, 1024),
        '{SITE_URL}' => $superCage->post->getRaw('os_url'),
    );

    $content = str_replace(array_keys($data), array_values($data), $content);

    rewind($handle);

    $written = fwrite($handle, $content);

    if (!$written) {
        echo '<p style="color: red; text-align: center">'.sprintf($lang_plugin_php['opensearch_failed_to_write_file'], $osd).'</p>';
        fclose($handle);
        return 1;
    }

    fclose($handle);

    return true;
}

function opensearch_configure() {

    global $CONFIG, $lang_plugin_php, $lang_common;
    $superCage = Inspekt::makeSuperCage();
    $action = $superCage->server->getEscaped('REQUEST_URI');

    $nameLimit = sprintf($lang_plugin_php['opensearch_character_limit'], '16');
    $descriptionLimit = sprintf($lang_plugin_php['opensearch_character_limit'], '1024');
    echo <<< EOT
    <form name="cpgform" id="cpgform" action="{$action}" method="post">
            <table border="0" cellspacing="0" cellpadding="0" width="100%">
              <tr>
                <td class="tableh2" colspan="2">
                  <h3>{$lang_plugin_php['opensearch_form_header']}</h3>
                </td>
              </tr>
              <tr>
                <td class="tableb" align="right">
                  {$lang_plugin_php['opensearch_gallery_url']}:
                </td>
                <td class="tableb">
                  <input type="text" class="textinput" name="os_url" size="25" value="{$CONFIG['site_url']}" />
                </td>
              </tr>
              <tr>
                <td class="tableb tableb_alternate" align="right">
                  {$lang_plugin_php['opensearch_display_name']}:
                </td>
                <td class="tableb tableb_alternate">
                  <input type="text" class="textinput" name="os_name" maxlength="16" size="25" value="{$CONFIG['gallery_name']}"/> ({$nameLimit})
                </td>
              </tr>
              <tr>
                <td class="tableb" align="right">
                  {$lang_plugin_php['opensearch_description']}:
                </td>
                <td class="tableb">
                  <input type="text" class="textinput" name="os_desc" maxlength="1024" size="25" value="{$CONFIG['gallery_description']}" /> ({$descriptionLimit})
                </td>
              </tr>
              <tr>
                <td class="tablef" colspan="2">
                  <input type="submit" name="os_submit" value="{$lang_common['go']}" class="button" />
                </td>
              </tr>
            </table>
    </form>
EOT;
}
?>