first commit

portfolio/download/classes/privacy/provider.php

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+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Privacy class for requesting user data.
+ *
+ * @package    portfolio_download
+ * @copyright  2018 Jake Dallimore <jrhdallimore@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace portfolio_download\privacy;
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Provider for the portfolio_download plugin.
+ *
+ * @copyright  2018 Jake Dallimore <jrhdallimore@gmail.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class provider implements
+    // This portfolio plugin does not store any data itself.
+    // It has no database tables, and it purely acts as a conduit, sending data externally.
+    \core_privacy\local\metadata\null_provider {
+
+    /**
+     * Get the language string identifier with the component's language
+     * file to explain why this plugin stores no data.
+     *
+     * @return  string
+     */
+    public static function get_reason(): string {
+        return 'privacy:metadata';
+    }
+}

portfolio/download/file.php

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+<?php
+
+// this script is a slightly more user friendly way to 'send' the file to them
+// (using portfolio/file.php) but still give them the 'return to where you were' link
+// to go back to their assignment, or whatever
+
+require(__DIR__.'/../../config.php');
+
+if (empty($CFG->enableportfolios)) {
+    throw new \moodle_exception('disabled', 'portfolio');
+}
+
+require_once($CFG->libdir.'/portfoliolib.php');
+require_once($CFG->libdir.'/portfolio/exporter.php');
+
+$id = required_param('id', PARAM_INT);
+
+$PAGE->set_url('/portfolio/download/file.php', array('id' => $id));
+
+$exporter = portfolio_exporter::rewaken_object($id);
+portfolio_export_pagesetup($PAGE, $exporter->get('caller'));
+$exporter->verify_rewaken();
+
+$exporter->print_header(get_string('downloading', 'portfolio_download'), false);
+$returnurl = $exporter->get('caller')->get_return_url();
+echo $OUTPUT->notification('<a href="' . $returnurl . '">' . get_string('returntowhereyouwere', 'portfolio') . '</a><br />');
+
+
+// if they don't have javascript, they can submit the form here to get the file.
+// if they do, it does it nicely for them.
+echo '<div id="redirect">
+    <form action="' . $exporter->get('instance')->get_base_file_url() . '" method="post" id="redirectform" target="download-iframe">
+      <input type="submit" value="' . get_string('downloadfile', 'portfolio_download') . '" />
+    </form>
+    <iframe class="d-none" name="download-iframe" src=""></iframe>
+    </div>
+';
+
+$PAGE->requires->js_amd_inline("
+require(['jquery'], function($) {
+    $('#redirectform').submit(function() {
+        $('#redirect').addClass('hide');
+    }).submit();
+});");
+echo $OUTPUT->footer();

portfolio/download/lang/en/portfolio_download.php

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+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Strings for component 'portfolio_download', language 'en', branch 'MOODLE_20_STABLE'
+ *
+ * @package   portfolio_download
+ * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+$string['downloadfile'] = 'Download your portfolio export file';
+$string['downloading'] = 'Downloading ...';
+$string['pluginname'] = 'File download';
+$string['privacy:metadata'] = 'This plugin does not store personal data, nor does it export personal data to an external location.';

portfolio/download/lib.php

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+<?php
+
+require_once($CFG->libdir . '/portfoliolib.php');
+require_once($CFG->libdir . '/portfolio/plugin.php');
+
+class portfolio_plugin_download extends portfolio_plugin_pull_base {
+
+    protected $exportconfig;
+
+    public static function get_name() {
+        return get_string('pluginname', 'portfolio_download');
+    }
+
+    public static function allows_multiple_instances() {
+        return false;
+    }
+
+    public function expected_time($callertime) {
+        return PORTFOLIO_TIME_LOW;
+    }
+
+    public function prepare_package() {
+
+        $files = $this->exporter->get_tempfiles();
+
+        if (count($files) == 1) {
+            $this->set('file', array_shift($files));
+        } else {
+            $this->set('file', $this->exporter->zip_tempfiles());  // this will throw a file_exception which the exporter catches separately.
+        }
+    }
+
+    public function steal_control($stage) {
+        if ($stage == PORTFOLIO_STAGE_FINISHED) {
+            global $CFG;
+            return $CFG->wwwroot . '/portfolio/download/file.php?id=' . $this->get('exporter')->get('id');
+        }
+    }
+
+    public function send_package() {}
+
+    public function verify_file_request_params($params) {
+        // for download plugin the only thing we need to verify is that
+        // the logged in user is the same as the exporting user
+        global $USER;
+        if ($USER->id  != $this->user->id) {
+            return false;
+        }
+        return true;
+    }
+
+    public function get_interactive_continue_url() {
+        return false;
+    }
+}
+

portfolio/download/version.php

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+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Version details
+ *
+ * @package    portfolio
+ * @subpackage download
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->version   = 2024042200;        // The current plugin version (Date: YYYYMMDDXX).
+$plugin->requires  = 2024041600;        // Requires this Moodle version.
+$plugin->component = 'portfolio_download'; // Full name of the plugin (used for diagnostics)
+$plugin->cron      = 0;