info.php

<?php
/**
 *
 * @category        page
 * @package         External Calendar
 * @version         1.2.14
 * @authors         Martin Hecht
 * @copyright       (c) 2015 - 2025, Martin Hecht (mrbaseman)
 * @link            https://github.com/mrbaseman/extcal
 * @license         GNU General Public License
 * @platform        WebsiteBaker 2.8.x
 * @requirements    PHP 7 and higher and Curl
 *
 **/


/* -------------------------------------------------------- */
// Must include code to stop this file being accessed directly
if (!defined('WB_PATH')) {
        // Stop this file being access directly
        if (!headers_sent()) {
                 header("Location: ../index.php", true, 301);
        }
        die('<head><title>Access denied</title></head><body><h2 style="color:red;margin:3em auto;text-align:center;">Cannot access this file directly</h2></body></html>');
}
/* -------------------------------------------------------- */


$module_directory      = 'extcal';
$module_name           = 'External Calendar';
$module_function       = 'page';
$module_version        = '1.2.14';
$module_platform       = 'WebsiteBaker 2.8.x';
$module_author         = 'Martin Hecht';
$module_license        = 'GNU General Public License';
$module_description    = 'The module External Calendar allows you to include external calendars (DavCAL or ics) into a WebsiteBaker page.';

/*
 *      CHANGELOG
 *      1.2.14  2025-01-21      - fixes for php 8.2 and further improve styling
 *      1.2.13  2025-01-19      - trim some values before processing, update default css styling
 *      1.2.12  2022-10-11      - merge fixes for 8.1 support
 *      1.2.11  2022-10-07      - suppressed deprecated in SG_iCal classes with #[\ReturnTypeWillChange] (Bernd)
 *      1.2.10.1 2022-08-05     - first fixes for php 8.1 support
 *      1.2.10  2021-03-12      - missed to merge in one of Bernds fixes
 *      1.2.9   2021-03-09      - catch exceptions during client call
 *      1.2.8   2021-02-25      - allow to use local files (relative to WB_PATH)
 *      1.2.7   2020-05-16      - fixes for MySQL-Strict (Bernd)
 *      1.2.6   2018-12-16      - add headlines to groups of backend settings
 *      1.2.5   2018-12-14      - restore alignment of cells now that we have css
 *      1.2.4   2018-12-09      - update modify.htt to pick up styles from backend.css
 *      1.2.3   2018-12-06      - add backend.css and move changelog downwards
 *      1.2.2   2018-11-05      - alignment in the backend optimized for large screens
 *      1.2.1   2018-10-19      - avoid double index access on message entries
 *      1.2.0   2018-06-14      - added place holder for the calendar name
 *      1.1.11  2018-06-13      - updated help pages
 *      1.1.10  2018-06-12      - updated sabre-dav to 2.1.12
 *      1.1.9   2018-04-12      - correct the behavior for including module css
 *      1.1.8   2017-01-23      - repair upgrade script
 *      1.1.7   2017-01-23      - translate default categories into current frontend language
 *      1.1.6   2017-01-23      - fix for wrong evaluation of isWholeDay in SG_ical
 *      1.1.5   2017-01-05      - support categories field, thanks to maik for suggesting
 *      1.1.4   2016-04-20      - prepare for sql strict and add section_id to user func calls
 *      1.1.3   2016-03-22      - fix html special char notation for acute accents
 *      1.1.2   2016-02-25      - another fix for completely empty calendars
 *      1.1.1   2016-02-25      - realign code: wrap long lines and set tab width=4
 *      1.1.0   2016-02-11      - correctly handle and prefilter reoccurring events
 *      1.0.9   2016-02-07      - add settings array to the user functions
 *      1.0.8   2016-02-05      - allow to add an offset to the server time
 *      1.0.7   2016-02-04      - another fix for 12/24h handling
 *      1.0.6   2016-02-04      - set up time zone before evaluating starttime
 *      1.0.5   2016-02-03      - suppress error message for empty calendars
 *      1.0.4   2016-02-03      - allow to hide events that already have ended earlier today
 *      1.0.3   2016-01-30      - further improve link example in user functions
 *      1.0.2   2016-01-29      - do not change already html-formatted links
 *      1.0.1   2016-01-29      - do not display events after defined endtime
 *      1.0.0   2016-01-28      - add user function hooks
 *      0.9.9   2016-01-26      - support digest authentication for get requests
 *      0.9.8   2016-01-25      - set user agent to Extcal instead of real one
 *      0.9.7   2016-01-25      - better handle ssl in get requests (skip verification if requestetd)
 *      0.9.6   2016-01-15      - correctly show long lasting current appointments
 *      0.9.5   2016-01-15      - do not overwrite style file upon upgrade anymore
 *      0.9.4   2016-01-15      - improved the placeholders in template for allday events
 *      0.9.3   2016-01-14      - send user agent for advanced authentication
 *      0.9.2   2016-01-11      - add the option to skip ssl certificate verification
 *      0.9.1   2015-07-29      - fix start time check for wholeday events
 *      0.9.0   2015-07-22      - add checkbox to control the midnight shift
 *      0.8.11  2015-07-22      - properly treat calendar urls, which are commented out
 *      0.8.10  2015-07-22      - fixed events first ocurring before 1970,thanks to Alex
 *      0.8.9   2015-07-16      - updated url, fixed regression for date end at midnight
 *      0.8.8   2015-07-16      - fixed one minute shift of endtime
 *      0.8.7   2015-07-14      - re-added a description for the urls input in the backend
 *      0.8.6   2015-04-10      - fixed limit in max_days for not reoccurring events
 *      0.8.5   2015-04-02      - hide advanced settings by default (inspired by Ruud)
 *      0.8.4   2015-04-02      - optimize-date: drop end time for multiday-events
 *      0.8.3   2015-03-30      - allow date-place holders in entry-template
 *      0.8.2   2015-03-30      - improve css template, thanks to Ruud for proposing
 *      0.8.1   2015-03-30      - bugfix in update script, thanks to Ruud for reporting
 *      0.8.0   2015-03-28      - added css support, update help pages
 *      0.7.2   2015-03-24      - several bugfixes, cleanup from leftover code
 *      0.7.1   2015-03-18      - added separate date template
 *      0.7.0   2015-03-16      - changed backend to template solution
 *      0.6.7   2015-03-12      - improve update script, fix format of multiday entries
 *      0.6.6   2015-03-11      - add formatting block for the end of description
 *      0.6.5   2015-03-11      - updated help page, also translate button
 *      0.6.4   2015-03-10      - rename strings in LANG to avoid collisions
 *      0.6.3   2015-03-09      - add div around entries as default setting
 *      0.6.2   2015-03-08      - replace editor by a simple text area
 *      0.6.1   2015-03-08      - htmlentities and nl2br for description, title etc.
 *      0.6.0   2015-03-06      - further cleanup code, make module ready for publishing
 *      0.5.4   2015-03-05      - translate cache success message
 *      0.5.3   2015-03-05      - updated save to better sanitize input, cleanup code
 *      0.5.2   2015-03-05      - added link description of help page to LANG
 *      0.5.1   2015-03-05      - updated name of sql column location_separator
 *      0.5.0   2015-03-04      - added Italian language support,minor things in view.php
 *      0.4.0   2015-03-01      - added French language support
 *      0.3.0   2015-02-28      - filled the help page with lots of details for DE and EN
 *      0.2.6   2015-02-28      - added help page and moved description from info to help
 *      0.2.5   2015-02-27      - cache times configurable, allow displaying entry details
 *      0.2.4   2015-02-23      - added cache for calendars - short time (5 Min)
 *      0.2.3   2015-02-21      - added cache for caldav entries (up to 1 Week)
 *      0.2.2   2015-02-21      - added section start and end fields
 *      0.2.1   2015-02-16      - bugfix view split urls correctly between calendars
 *      0.2.0   2015-02-13      - updated description, added example, fixed uninstall
 *      0.1.0   2015-02-12      - updated description, documentation, clean up code
 *      0.0.15  2015-02-11      - bugfix for accessing CalDAV
 *      0.0.14  2015-02-11      - added CalDAV support with SabreDAV
 *      0.0.13  2015-02-11      - added lots of formatting options to backend
 *      0.0.12  2015-02-11      - fixed install and extended upgrade
 *      0.0.11  2015-02-11      - fixed some php issues in SG_iCal, view, and timezone
 *      0.0.10  2015-02-08      - added time zone setting to backend
 *      0.0.9   2015-02-05      - handling of privacy settings in calendar entries
 *      0.0.8   2015-02-01      - moved TZ settings to lang package, prevent dir listings
 *      0.0.7   2015-02-01      - added German language support in backend
 *      0.0.6   2015-02-01      - fixed most of the daylight saving issues
 *      0.0.5   2015-01-29      - some more bugfixes in the handling of dates
 *      0.0.4   2015-01-29      - fixed sql in save
 *      0.0.3   2015-01-29      - fixed modify and save
 *      0.0.2   2015-01-29      - implemented most things using SG_iCalendar
 *      0.0.1   2015-01-27      - first version of this module (Martin Hecht)
 *
 */