622 lines
19 KiB
PHP
622 lines
19 KiB
PHP
<?php
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/* Copyright (C) 2008-2011 Laurent Destailleur <eldy@users.sourceforge.net>
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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 3 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/**
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* \file htdocs/core/lib/xcal.lib.php
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* \brief Function to manage calendar files (vcal/ical/...)
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*/
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/**
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* Build a file from an array of events
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* All input params and data must be encoded in $conf->charset_output
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*
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* @param string $format "vcal" or "ical"
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* @param string $title Title of export
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* @param string $desc Description of export
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* @param array $events_array Array of events ("uid","startdate","duration","enddate","title","summary","category","email","url","desc","author")
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* @param string $outputfile Output file
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* @return int Return integer < 0 if KO, Nb of events in file if OK
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*/
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function build_calfile($format, $title, $desc, $events_array, $outputfile)
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{
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global $conf, $langs;
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dol_syslog("xcal.lib.php::build_calfile Build cal file ".$outputfile." to format ".$format);
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if (empty($outputfile)) {
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// -1 = error
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return -1;
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}
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$nbevents = 0;
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// Note: A cal file is an UTF8 encoded file
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$calfileh = fopen($outputfile, "w");
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if ($calfileh) {
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include_once DOL_DOCUMENT_ROOT."/core/lib/date.lib.php";
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$now = dol_now();
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$encoding = "";
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if ($format === "vcal") {
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$encoding = "ENCODING=QUOTED-PRINTABLE:";
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}
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// Print header
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fwrite($calfileh, "BEGIN:VCALENDAR\n");
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// version is always "2.0"
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fwrite($calfileh, "VERSION:2.0\n");
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fwrite($calfileh, "METHOD:PUBLISH\n");
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fwrite($calfileh, "PRODID:-//DOLIBARR ".DOL_VERSION."\n");
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fwrite($calfileh, "CALSCALE:GREGORIAN\n");
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fwrite($calfileh, "X-WR-CALNAME:".$encoding.format_cal($format, $title)."\n");
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fwrite($calfileh, "X-WR-CALDESC:".$encoding.format_cal($format, $desc)."\n");
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//fwrite($calfileh,"X-WR-TIMEZONE:Europe/Paris\n");
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if (getDolGlobalString('MAIN_AGENDA_EXPORT_CACHE') && getDolGlobalInt('MAIN_AGENDA_EXPORT_CACHE') > 60) {
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$hh = convertSecondToTime($conf->global->MAIN_AGENDA_EXPORT_CACHE, "hour");
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$mm = convertSecondToTime($conf->global->MAIN_AGENDA_EXPORT_CACHE, "min");
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$ss = convertSecondToTime($conf->global->MAIN_AGENDA_EXPORT_CACHE, "sec");
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fwrite($calfileh, "X-PUBLISHED-TTL: P".$hh."H".$mm."M".$ss."S\n");
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}
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foreach ($events_array as $key => $event) {
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// See http://fr.wikipedia.org/wiki/ICalendar for format
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// See http://www.ietf.org/rfc/rfc2445.txt for RFC
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// TODO: avoid use extra event array, use objects direct thahtwas created before
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$uid = $event["uid"];
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$type = $event["type"];
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$startdate = $event["startdate"];
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$duration = $event["duration"];
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$enddate = $event["enddate"];
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$summary = $event["summary"];
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$category = $event["category"];
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$priority = $event["priority"];
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$fulldayevent = $event["fulldayevent"];
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$location = $event["location"];
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$email = $event["email"];
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$url = $event["url"];
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$transparency = $event["transparency"];
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$description = dol_string_nohtmltag(preg_replace("/<br[\s\/]?>/i", "\n", $event["desc"]), 0);
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$created = $event["created"];
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$modified = $event["modified"];
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$assignedUsers = $event["assignedUsers"];
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//print $fulldayevent.' '.dol_print_date($startdate, 'dayhour', 'gmt');
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// Format
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$summary = format_cal($format, $summary);
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$description = format_cal($format, $description);
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$category = format_cal($format, $category);
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$location = format_cal($format, $location);
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// Output the vCard/iCal VEVENT object
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/*
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Example from Google ical export for a 1 hour event:
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BEGIN:VEVENT
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DTSTART:20101103T120000Z
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DTEND:20101103T130000Z
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DTSTAMP:20101121T144902Z
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UID:4eilllcsq8r1p87ncg7vc8dbpk@google.com
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CREATED:20101121T144657Z
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DESCRIPTION:
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LAST-MODIFIED:20101121T144707Z
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LOCATION:
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SEQUENCE:0
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STATUS:CONFIRMED
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SUMMARY:Tâche 1 heure
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TRANSP:OPAQUE
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END:VEVENT
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Example from Google ical export for a 1 day event:
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BEGIN:VEVENT
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DTSTART;VALUE=DATE:20101102
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DTEND;VALUE=DATE:20101103
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DTSTAMP:20101121T144902Z
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UID:d09t43kcf1qgapu9efsmmo1m6k@google.com
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CREATED:20101121T144607Z
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DESCRIPTION:
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LAST-MODIFIED:20101121T144607Z
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LOCATION:
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SEQUENCE:0
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STATUS:CONFIRMED
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SUMMARY:Tâche 1 jour
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TRANSP:TRANSPARENT
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END:VEVENT
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*/
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if ($type === "event") {
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$nbevents++;
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fwrite($calfileh, "BEGIN:VEVENT\n");
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fwrite($calfileh, "UID:".$uid."\n");
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if (!empty($email)) {
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fwrite($calfileh, "ORGANIZER:MAILTO:".$email."\n");
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fwrite($calfileh, "CONTACT:MAILTO:".$email."\n");
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}
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if (!empty($url)) {
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fwrite($calfileh, "URL:".$url."\n");
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}
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if (is_array($assignedUsers)) {
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foreach ($assignedUsers as $assignedUser) {
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if ($assignedUser->email === $email) {
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continue;
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}
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fwrite($calfileh, "ATTENDEE;RSVP=TRUE:mailto:".$assignedUser->email."\n");
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}
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}
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if ($created) {
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fwrite($calfileh, "CREATED:".dol_print_date($created, "dayhourxcard", true)."\n");
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}
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if ($modified) {
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fwrite($calfileh, "LAST-MODIFIED:".dol_print_date($modified, "dayhourxcard", true)."\n");
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}
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fwrite($calfileh, "SUMMARY:".$encoding.$summary."\n");
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fwrite($calfileh, "DESCRIPTION:".$encoding.$description."\n");
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if (!empty($location)) {
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fwrite($calfileh, "LOCATION:".$encoding.$location."\n");
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}
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if ($fulldayevent) {
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fwrite($calfileh, "X-FUNAMBOL-ALLDAY:1\n");
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}
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// see https://docs.microsoft.com/en-us/openspecs/exchange_server_protocols/ms-oxcical/0f262da6-c5fd-459e-9f18-145eba86b5d2
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if ($fulldayevent) {
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fwrite($calfileh, "X-MICROSOFT-CDO-ALLDAYEVENT:TRUE\n");
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}
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// Date must be GMT dates
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// Current date
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fwrite($calfileh, "DTSTAMP:".dol_print_date($now, "dayhourxcard", 'gmt')."\n");
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// Start date
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$prefix = "";
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$startdatef = dol_print_date($startdate, "dayhourxcard", 'gmt');
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if ($fulldayevent) {
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// For fullday event, date was stored with old version by using the user timezone instead of storing the date at UTC+0
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// in the timezone of server (so for a PHP timezone of -3, we should store '2023-05-31 21:00:00.000'
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// Using option MAIN_STORE_FULL_EVENT_IN_GMT=1 change the behaviour to store in GMT for full day event. This must become
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// the default behaviour but there is no way to change keeping old saved date compatible.
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$tzforfullday = getDolGlobalString('MAIN_STORE_FULL_EVENT_IN_GMT');
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// Local time should be used to prevent users in time zones earlier than GMT from being one day earlier
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$prefix = ";VALUE=DATE";
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if ($tzforfullday) {
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$startdatef = dol_print_date($startdate, "dayxcard", 'gmt');
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} else {
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$startdatef = dol_print_date($startdate, "dayxcard", 'tzserver');
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}
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}
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fwrite($calfileh, "DTSTART".$prefix.":".$startdatef."\n");
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// End date
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if ($fulldayevent) {
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if (empty($enddate)) {
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// We add 1 day needed for full day event (DTEND must be next day after event).
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// This is mention in https://datatracker.ietf.org/doc/html/rfc5545:
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// "The "DTEND" property for a "VEVENT" calendar component specifies the non-inclusive end of the event."
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$enddate = dol_time_plus_duree($startdate, 1, "d");
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}
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} else {
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if (empty($enddate)) {
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$enddate = $startdate + $duration;
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}
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}
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$prefix = "";
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$enddatef = dol_print_date($enddate, "dayhourxcard", 'gmt');
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if ($fulldayevent) {
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$prefix = ";VALUE=DATE";
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// We add 1 second so we reach the +1 day needed for full day event (DTEND must be next day after event)
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// This is mention in https://datatracker.ietf.org/doc/html/rfc5545:
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// "The "DTEND" property for a "VEVENT" calendar component specifies the non-inclusive end of the event."
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$enddatef = dol_print_date($enddate + 1, "dayxcard", 'tzserver');
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}
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fwrite($calfileh, "DTEND".$prefix.":".$enddatef."\n");
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fwrite($calfileh, "STATUS:CONFIRMED\n");
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if (!empty($transparency)) {
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fwrite($calfileh, "TRANSP:".$transparency."\n");
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}
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if (!empty($category)) {
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fwrite($calfileh, "CATEGORIES:".$encoding.$category."\n");
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}
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fwrite($calfileh, "END:VEVENT\n");
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}
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// Output the vCard/iCal VJOURNAL object
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if ($type === "journal") {
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$nbevents++;
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fwrite($calfileh, "BEGIN:VJOURNAL\n");
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fwrite($calfileh, "UID:".$uid."\n");
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if (!empty($email)) {
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fwrite($calfileh, "ORGANIZER:MAILTO:".$email."\n");
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fwrite($calfileh, "CONTACT:MAILTO:".$email."\n");
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}
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if (!empty($url)) {
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fwrite($calfileh, "URL:".$url."\n");
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}
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if ($created) {
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fwrite($calfileh, "CREATED:".dol_print_date($created, "dayhourxcard", 'gmt')."\n");
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}
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if ($modified) {
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fwrite($calfileh, "LAST-MODIFIED:".dol_print_date($modified, "dayhourxcard", 'gmt')."\n");
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}
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fwrite($calfileh, "SUMMARY:".$encoding.$summary."\n");
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fwrite($calfileh, "DESCRIPTION:".$encoding.$description."\n");
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fwrite($calfileh, "STATUS:CONFIRMED\n");
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fwrite($calfileh, "CATEGORIES:".$category."\n");
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fwrite($calfileh, "LOCATION:".$location."\n");
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fwrite($calfileh, "TRANSP:OPAQUE\n");
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fwrite($calfileh, "CLASS:CONFIDENTIAL\n");
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fwrite($calfileh, "DTSTAMP:".dol_print_date($startdatef, "dayhourxcard", 'gmt')."\n");
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fwrite($calfileh, "END:VJOURNAL\n");
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}
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}
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// Footer
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fwrite($calfileh, "END:VCALENDAR");
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fclose($calfileh);
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dolChmod($outputfile);
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} else {
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dol_syslog("xcal.lib.php::build_calfile Failed to open file ".$outputfile." for writing");
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return -2;
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}
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return $nbevents;
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}
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/**
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* Build a file from an array of events.
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* All input data must be encoded in $conf->charset_output
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*
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* @param string $format "rss"
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* @param string $title Title of export
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* @param string $desc Description of export
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* @param array $events_array Array of events ("uid","startdate","summary","url","desc","author","category","image") or Array of WebsitePage
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* @param string $outputfile Output file
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* @param string $filter (optional) Filter
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* @param string $url Url (If empty, forge URL for agenda RSS export)
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* @param string $langcode Language code to show in header
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* @return int Return integer < 0 if KO, Nb of events in file if OK
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*/
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function build_rssfile($format, $title, $desc, $events_array, $outputfile, $filter = '', $url = '', $langcode = '')
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{
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global $user, $conf, $langs, $mysoc;
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global $dolibarr_main_url_root;
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dol_syslog("xcal.lib.php::build_rssfile Build rss file ".$outputfile." to format ".$format);
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if (empty($outputfile)) {
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// -1 = error
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return -1;
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}
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$nbevents = 0;
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$fichier = fopen($outputfile, "w");
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if ($fichier) {
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// Print header
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fwrite($fichier, '<?xml version="1.0" encoding="'.$langs->charset_output.'"?>');
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fwrite($fichier, "\n");
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fwrite($fichier, '<rss version="2.0">');
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fwrite($fichier, "\n");
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fwrite($fichier, "<channel>\n");
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fwrite($fichier, "<title>".dol_escape_xml($title)."</title>\n");
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fwrite($fichier, "<description>".dol_escape_xml($title)."</description>\n");
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if ($langcode) {
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fwrite($fichier, "<language>".dol_escape_xml($langcode)."</language>\n");
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}
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// Define $urlwithroot
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$urlwithouturlroot = preg_replace("/".preg_quote(DOL_URL_ROOT, "/")."$/i", "", trim($dolibarr_main_url_root));
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$urlwithroot = $urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file
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//$urlwithroot=DOL_MAIN_URL_ROOT; // This is to use same domain name than current
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// Url
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if (empty($url)) {
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$url = $urlwithroot."/public/agenda/agendaexport.php?format=rss&exportkey=".urlencode(getDolGlobalString('MAIN_AGENDA_XCAL_EXPORTKEY'));
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}
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fwrite($fichier, "<link><![CDATA[".$url."]]></link>\n");
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// Image
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if (!empty($mysoc->logo_squarred_small)) {
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$urlimage = $urlwithroot.'/viewimage.php?cache=1&modulepart=mycompany&file='.urlencode('logos/thumbs/'.$mysoc->logo_squarred_small);
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//$urlimage = $GLOBALS['website']->virtualhost
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if ($urlimage && (empty($GLOBALS['website']) || preg_match('/'.preg_quote($GLOBALS['website']->virtualhost, '/').'/', $urlwithroot))) {
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fwrite($fichier, "<image><url><![CDATA[".$urlimage."]]></url><title>".htmlspecialchars($title)."</title><link><![CDATA[".$url."]]></link></image>\n");
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}
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}
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foreach ($events_array as $key => $event) {
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$eventqualified = true;
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if ($filter) {
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// TODO Add a filter
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$eventqualified = false;
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}
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if ($eventqualified) {
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$nbevents++;
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if (is_object($event) && get_class($event) == 'WebsitePage') {
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// Convert object WebsitePage into an array $event
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$tmpevent = array();
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$tmpevent['uid'] = (string) $event->id;
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$tmpevent['startdate'] = $event->date_creation;
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$tmpevent['summary'] = $event->title;
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$tmpevent['url'] = $event->fullpageurl ? $event->fullpageurl : $event->pageurl.'.php';
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$tmpevent['author'] = $event->author_alias ? $event->author_alias : 'unknown';
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//$tmpevent['category'] = '';
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$tmpevent['desc'] = $event->description;
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if (!empty($event->image)) {
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$tmpevent['image'] = $GLOBALS['website']->virtualhost.'/medias/'.$event->image;
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}
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$tmpevent['content'] = $event->content;
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$event = $tmpevent;
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}
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$uid = $event["uid"];
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$startdate = $event["startdate"];
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$summary = $event["summary"];
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$description = $event["desc"];
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$url = empty($event["url"]) ? '' : $event["url"];
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$author = $event["author"];
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$category = empty($event["category"]) ? null : $event["category"];
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$image = '';
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if (!empty($event["image"])) {
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$image = $event["image"];
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} else {
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$reg = array();
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// If we found a link into content like <img alt="..." class="..." src="..."
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if (!empty($event["content"]) && preg_match('/<img\s*(?:alt="[^"]*"\s*)?(?:class="[^"]*"\s*)?src="([^"]+)"/m', $event["content"], $reg)) {
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if (!empty($reg[0])) {
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$image = $reg[1];
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}
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// Convert image "/medias/...." and "/viewimage.php?modulepart=medias&file=(.*)"
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if (!empty($GLOBALS['website']->virtualhost)) {
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if (preg_match('/^\/medias\//', $image)) {
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$image = $GLOBALS['website']->virtualhost.$image;
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} elseif (preg_match('/^\/viewimage\.php\?modulepart=medias&[^"]*file=([^&"]+)/', $image, $reg)) {
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$image = $GLOBALS['website']->virtualhost.'/medias/'.$reg[1];
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}
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}
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}
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}
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/* No place inside a RSS
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$priority = $event["priority"];
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$fulldayevent = $event["fulldayevent"];
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$location = $event["location"];
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$email = $event["email"];
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*/
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$description = dol_string_nohtmltag(preg_replace("/<br[\s\/]?>/i", "\n", $event["desc"]), 0);
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fwrite($fichier, "<item>\n");
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fwrite($fichier, "<title><![CDATA[".$summary."]]></title>\n");
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fwrite($fichier, "<link><![CDATA[".$url."]]></link>\n");
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//fwrite($fichier, "<author><![CDATA[".$author."]]></author>\n");
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if (!empty($category)) {
|
|
fwrite($fichier, "<category><![CDATA[".$category."]]></category>\n");
|
|
}
|
|
//fwrite($fichier, "<description><![CDATA[".$summary."]]></description>\n");
|
|
fwrite($fichier, "<description><![CDATA[");
|
|
if (!empty($image)) {
|
|
fwrite($fichier, '<p><img class="center" src="'.$image.'"/></p>');
|
|
}
|
|
|
|
if ($description) {
|
|
fwrite($fichier, $description);
|
|
}
|
|
// else
|
|
// fwrite($fichier, "NoDesc");
|
|
|
|
fwrite($fichier, "]]></description>\n");
|
|
fwrite($fichier, "<pubDate>".date("r", $startdate)."</pubDate>\n");
|
|
fwrite($fichier, '<guid isPermaLink="false"><![CDATA['.str_pad($uid, 10, "0", STR_PAD_LEFT).']]></guid>'."\n");
|
|
fwrite($fichier, '<source url="'.$url.'"><![CDATA[Dolibarr]]></source>'."\n");
|
|
fwrite($fichier, "</item>\n");
|
|
}
|
|
}
|
|
|
|
fwrite($fichier, "</channel>");
|
|
fwrite($fichier, "\n");
|
|
fwrite($fichier, "</rss>");
|
|
|
|
fclose($fichier);
|
|
dolChmod($outputfile);
|
|
}
|
|
|
|
return $nbevents;
|
|
}
|
|
|
|
/**
|
|
* Encode for cal export
|
|
*
|
|
* @param string $format "vcal" or "ical"
|
|
* @param string $string String to encode
|
|
* @return string String encoded
|
|
*/
|
|
function format_cal($format, $string)
|
|
{
|
|
$newstring = $string;
|
|
|
|
if ($format === "vcal") {
|
|
$newstring = quotedPrintEncode($newstring);
|
|
}
|
|
|
|
if ($format === "ical") {
|
|
// Replace new lines chars by "\n"
|
|
$newstring = preg_replace("/\r\n/i", "\\n", $newstring);
|
|
$newstring = preg_replace("/\n\r/i", "\\n", $newstring);
|
|
$newstring = preg_replace("/\n/i", "\\n", $newstring);
|
|
|
|
// Must not exceed 75 char. Cut with "\r\n"+Space
|
|
$newstring = calEncode($newstring);
|
|
}
|
|
|
|
return $newstring;
|
|
}
|
|
|
|
/**
|
|
* Cut string after 75 chars. Add CRLF+Space.
|
|
* line must be encoded in UTF-8
|
|
*
|
|
* @param string $line String to convert
|
|
* @return string String converted
|
|
*/
|
|
function calEncode($line)
|
|
{
|
|
$out = "";
|
|
$newpara = "";
|
|
|
|
// If mb_ functions exists, it"s better to use them
|
|
if (function_exists("mb_strlen")) {
|
|
$strlength = mb_strlen($line, "UTF-8");
|
|
|
|
for ($j = 0; $j < $strlength; $j++) {
|
|
// Take char at position $j
|
|
$char = dol_substr($line, $j, 1, "UTF-8");
|
|
|
|
if ((mb_strlen($newpara, "UTF-8") + mb_strlen($char, "UTF-8")) >= 75) {
|
|
// CRLF + Space for cal
|
|
$out .= $newpara."\r\n ";
|
|
|
|
$newpara = "";
|
|
}
|
|
|
|
$newpara .= $char;
|
|
}
|
|
|
|
$out .= $newpara;
|
|
} else {
|
|
$strlength = dol_strlen($line);
|
|
|
|
for ($j = 0; $j < $strlength; $j++) {
|
|
// Take char at position $j
|
|
$char = substr($line, $j, 1);
|
|
|
|
if ((dol_strlen($newpara) + dol_strlen($char)) >= 75) {
|
|
// CRLF + Space for cal
|
|
$out .= $newpara."\r\n ";
|
|
|
|
$newpara = "";
|
|
}
|
|
|
|
$newpara .= $char;
|
|
}
|
|
|
|
$out .= $newpara;
|
|
}
|
|
|
|
return trim($out);
|
|
}
|
|
|
|
|
|
/**
|
|
* Encode into vcal format
|
|
*
|
|
* @param string $str String to convert
|
|
* @param int $forcal (optional) 1 = For cal
|
|
* @return string String converted
|
|
*/
|
|
function quotedPrintEncode($str, $forcal = 0)
|
|
{
|
|
$lines = preg_split("/\r\n/", $str);
|
|
$out = "";
|
|
|
|
foreach ($lines as $line) {
|
|
$newpara = "";
|
|
|
|
// Do not use dol_strlen here, we need number of bytes
|
|
$strlength = strlen($line);
|
|
|
|
for ($j = 0; $j < $strlength; $j++) {
|
|
$char = substr($line, $j, 1);
|
|
$ascii = ord($char);
|
|
|
|
if ($ascii < 32 || $ascii === 61 || $ascii > 126) {
|
|
$char = "=".strtoupper(sprintf("%02X", $ascii));
|
|
}
|
|
|
|
// Do not use dol_strlen here, we need number of bytes
|
|
if ((strlen($newpara) + strlen($char)) >= 76) {
|
|
// New line with carray-return (CR) and line-feed (LF)
|
|
$out .= $newpara."=\r\n";
|
|
|
|
// extra space for cal
|
|
if ($forcal) {
|
|
$out .= " ";
|
|
}
|
|
|
|
$newpara = "";
|
|
}
|
|
|
|
$newpara .= $char;
|
|
}
|
|
|
|
$out .= $newpara;
|
|
}
|
|
return trim($out);
|
|
}
|
|
|
|
/**
|
|
* Decode vcal format
|
|
*
|
|
* @param string $str String to convert
|
|
* @return string String converted
|
|
*/
|
|
function quotedPrintDecode($str)
|
|
{
|
|
return trim(quoted_printable_decode(preg_replace("/=\r?\n/", "", $str)));
|
|
}
|