Adrian Greeve
173c6f2c8b
This allows users to delete their files or pictures when editing their entries which was previously unavailable. Also the use of the filemanager allows for drag and drop to be active.
228 lines
9.6 KiB
PHP
228 lines
9.6 KiB
PHP
<?php
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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class data_field_file extends data_field_base {
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var $type = 'file';
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function display_add_field($recordid=0) {
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global $CFG, $DB, $OUTPUT, $PAGE, $USER;
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$file = false;
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$content = false;
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$displayname = '';
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$fs = get_file_storage();
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$context = $PAGE->context;
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$itemid = null;
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// editing an existing database entry
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if ($recordid){
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if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
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if (!empty($content->content)) {
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if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
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$usercontext = context_user::instance($USER->id);
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if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false)) {
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return false;
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}
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if (empty($content->content1)) {
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// Print icon if file already exists
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$src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
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$displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')). '<a href="'.$src.'" >'.s($file->get_filename()).'</a>';
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} else {
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$displayname = 'no file added';
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}
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}
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}
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}
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} else {
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$itemid = file_get_unused_draft_itemid();
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}
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$html = '';
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// database entry label
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$html .= '<div title="'.s($this->field->description).'">';
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$html .= '<fieldset><legend><span class="accesshide">'.$this->field->name.'</span></legend>';
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// itemid element
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$html .= '<input type="hidden" name="field_'.$this->field->id.'_file" value="'.$itemid.'" />';
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$options = new stdClass();
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$options->areamaxbytes = $this->field->param3;
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$options->maxbytes = $this->field->param3;
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$options->maxfiles = 1; // Limit to one file for the moment, this may be changed if requested as a feature in the future.
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$options->itemid = $itemid;
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$options->accepted_types = '*';
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$options->return_types = FILE_INTERNAL;
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$options->context = $PAGE->context;
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$fm = new form_filemanager($options);
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// Print out file manager.
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$output = $PAGE->get_renderer('core', 'files');
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$html .= $output->render($fm);
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$html .= '</fieldset>';
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$html .= '</div>';
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$module = array(
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'name'=>'form_filemanager',
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'fullpath'=>'/lib/form/filemanager.js',
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'requires' => array('core_filepicker', 'base', 'io-base', 'node',
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'json', 'core_dndupload', 'panel', 'resize-plugin', 'dd-plugin'),
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'strings' => array(
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array('error', 'moodle'), array('info', 'moodle'), array('confirmdeletefile', 'repository'),
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array('draftareanofiles', 'repository'), array('entername', 'repository'), array('enternewname', 'repository'),
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array('invalidjson', 'repository'), array('popupblockeddownload', 'repository'),
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array('unknownoriginal', 'repository'), array('confirmdeletefolder', 'repository'),
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array('confirmdeletefilewithhref', 'repository'), array('confirmrenamefolder', 'repository'),
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array('confirmrenamefile', 'repository')
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)
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);
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$PAGE->requires->js_init_call('M.form_filemanager.init', array($fm->options), true, $module);
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return $html;
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}
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function display_search_field($value = '') {
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return '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name . '</label>' .
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'<input type="text" size="16" id="f_'.$this->field->id.'" name="f_'.$this->field->id.'" value="'.$value.'" />';
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}
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function generate_sql($tablealias, $value) {
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global $DB;
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static $i=0;
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$i++;
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$name = "df_file_$i";
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return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
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}
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function parse_search_field() {
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return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
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}
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function get_file($recordid, $content=null) {
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global $DB;
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if (empty($content)) {
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if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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return null;
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}
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}
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$fs = get_file_storage();
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if (!$file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
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return null;
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}
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return $file;
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}
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function display_browse_field($recordid, $template) {
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global $CFG, $DB, $OUTPUT;
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if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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return '';
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}
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if (empty($content->content)) {
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return '';
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}
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if (!$file = $this->get_file($recordid, $content)) {
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return '';
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}
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$name = empty($content->content1) ? $file->get_filename() : $content->content1;
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$src = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/mod_data/content/'.$content->id.'/'.$file->get_filename());
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$width = $this->field->param1 ? ' width = "'.s($this->field->param1).'" ':' ';
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$height = $this->field->param2 ? ' height = "'.s($this->field->param2).'" ':' ';
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$str = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('width' => 16, 'height' => 16)). ' '.
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'<a href="'.$src.'" >'.s($name).'</a>';
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return $str;
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}
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// content: "a##b" where a is the file name, b is the display name
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function update_content($recordid, $value, $name='') {
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global $CFG, $DB, $USER;
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$fs = get_file_storage();
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if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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// Quickly make one now!
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$content = new stdClass();
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$content->fieldid = $this->field->id;
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$content->recordid = $recordid;
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$id = $DB->insert_record('data_content', $content);
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$content = $DB->get_record('data_content', array('id'=>$id));
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}
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// delete existing files
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$fs->delete_area_files($this->context->id, 'mod_data', 'content', $content->id);
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$usercontext = context_user::instance($USER->id);
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$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value, 'timecreated DESC');
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if (count($files)<2) {
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// no file
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} else {
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foreach ($files as $draftfile) {
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if (!$draftfile->is_directory()) {
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$file_record = array(
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'contextid' => $this->context->id,
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'component' => 'mod_data',
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'filearea' => 'content',
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'itemid' => $content->id,
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'filepath' => '/',
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'filename' => $draftfile->get_filename(),
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);
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$content->content = $file_record['filename'];
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$fs->create_file_from_storedfile($file_record, $draftfile);
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$DB->update_record('data_content', $content);
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// Break from the loop now to avoid overwriting the uploaded file record
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break;
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}
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}
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}
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}
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function text_export_supported() {
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return false;
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}
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function file_ok($path) {
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return true;
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}
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}
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