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Diffstat (limited to '3rdparty/Sabre/CalDAV/ICalendarUtil.php')
| -rw-r--r-- | 3rdparty/Sabre/CalDAV/ICalendarUtil.php | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/3rdparty/Sabre/CalDAV/ICalendarUtil.php b/3rdparty/Sabre/CalDAV/ICalendarUtil.php deleted file mode 100644 index 699abfdd6f5..00000000000 --- a/3rdparty/Sabre/CalDAV/ICalendarUtil.php +++ /dev/null @@ -1,157 +0,0 @@ -<?php - -/** - * This class contains several utilities related to the ICalendar (rfc2445) format - * - * This class is now deprecated, and won't be further maintained. Please use - * the Sabre_VObject package for your ics parsing needs. - * - * @package Sabre - * @subpackage CalDAV - * @copyright Copyright (C) 2007-2011 Rooftop Solutions. All rights reserved. - * @author Evert Pot (http://www.rooftopsolutions.nl/) - * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License - * @deprecated Use Sabre_VObject instead. - */ -class Sabre_CalDAV_ICalendarUtil { - - /** - * Validates an ICalendar object - * - * This method makes sure this ICalendar object is properly formatted. - * If we can't parse it, we'll throw exceptions. - * - * @param string $icalData - * @param array $allowedComponents - * @return bool - */ - static function validateICalendarObject($icalData, array $allowedComponents = null) { - - $xcal = simplexml_load_string(self::toXCal($icalData)); - if (!$xcal) throw new Sabre_CalDAV_Exception_InvalidICalendarObject('Invalid calendarobject format'); - - $xcal->registerXPathNameSpace('cal','urn:ietf:params:xml:ns:xcal'); - - // Check if there's only 1 component - $components = array('vevent','vtodo','vjournal','vfreebusy'); - $componentsFound = array(); - - foreach($components as $component) { - $test = $xcal->xpath('/cal:iCalendar/cal:vcalendar/cal:' . $component); - if (is_array($test)) $componentsFound = array_merge($componentsFound, $test); - } - if (count($componentsFound)<1) { - throw new Sabre_CalDAV_Exception_InvalidICalendarObject('One VEVENT, VTODO, VJOURNAL or VFREEBUSY must be specified. 0 found.'); - } - $component = $componentsFound[0]; - - if (is_null($allowedComponents)) return true; - - // Check if the component is allowed - $name = $component->getName(); - if (!in_array(strtoupper($name),$allowedComponents)) { - throw new Sabre_CalDAV_Exception_InvalidICalendarObject(strtoupper($name) . ' is not allowed in this calendar.'); - } - - if (count($xcal->xpath('/cal:iCalendar/cal:vcalendar/cal:method'))>0) { - throw new Sabre_CalDAV_Exception_InvalidICalendarObject('The METHOD property is not allowed in calendar objects'); - } - - return true; - - } - - /** - * Converts ICalendar data to XML. - * - * Properties are converted to lowercase xml elements. Parameters are; - * converted to attributes. BEGIN:VEVENT is converted to <vevent> and - * END:VEVENT </vevent> as well as other components. - * - * It's a very loose parser. If any line does not conform to the spec, it - * will simply be ignored. It will try to detect if \r\n or \n line endings - * are used. - * - * @todo Currently quoted attributes are not parsed correctly. - * @see http://tools.ietf.org/html/draft-royer-calsch-xcal-03 - * @param string $icalData - * @return string. - */ - static function toXCAL($icalData) { - - // Detecting line endings - $lb="\r\n"; - if (strpos($icalData,"\r\n")!==false) $lb = "\r\n"; - elseif (strpos($icalData,"\n")!==false) $lb = "\n"; - - // Splitting up items per line - $lines = explode($lb,$icalData); - - // Properties can be folded over 2 lines. In this case the second - // line will be preceeded by a space or tab. - $lines2 = array(); - foreach($lines as $line) { - - if (!$line) continue; - if ($line[0]===" " || $line[0]==="\t") { - $lines2[count($lines2)-1].=substr($line,1); - continue; - } - - $lines2[]=$line; - - } - - $xml = '<?xml version="1.0"?>' . "\n"; - $xml.= "<iCalendar xmlns=\"urn:ietf:params:xml:ns:xcal\">\n"; - - $spaces = 2; - foreach($lines2 as $line) { - - $matches = array(); - // This matches PROPERTYNAME;ATTRIBUTES:VALUE - if (!preg_match('/^([^:^;]*)(?:;([^:]*))?:(.*)$/',$line,$matches)) - continue; - - $propertyName = strtolower($matches[1]); - $attributes = $matches[2]; - $value = $matches[3]; - - // If the line was in the format BEGIN:COMPONENT or END:COMPONENT, we need to special case it. - if ($propertyName === 'begin') { - $xml.=str_repeat(" ",$spaces); - $xml.='<' . strtolower($value) . ">\n"; - $spaces+=2; - continue; - } elseif ($propertyName === 'end') { - $spaces-=2; - $xml.=str_repeat(" ",$spaces); - $xml.='</' . strtolower($value) . ">\n"; - continue; - } - - $xml.=str_repeat(" ",$spaces); - $xml.='<' . $propertyName; - if ($attributes) { - // There can be multiple attributes - $attributes = explode(';',$attributes); - foreach($attributes as $att) { - - list($attName,$attValue) = explode('=',$att,2); - $attName = strtolower($attName); - if ($attName === 'language') $attName='xml:lang'; - $xml.=' ' . $attName . '="' . htmlspecialchars($attValue) . '"'; - - } - } - - $xml.='>'. htmlspecialchars(trim($value)) . '</' . $propertyName . ">\n"; - - } - $xml.="</iCalendar>"; - return $xml; - - } - -} - |