mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-25 16:18:57 +01:00
232252475f
Patch is mostly created by script in egroupware/doc/fix_depricated.php in separate commit. I do NOT advice to apply this patch to a production system (it's commited to trunk!), as the automatic modified regular expressions have a good change to break something ...
1455 lines
48 KiB
PHP
1455 lines
48 KiB
PHP
<?php
|
|
/**
|
|
* Class representing iCalendar files.
|
|
*
|
|
* $Horde: framework/iCalendar/iCalendar.php,v 1.53 2004/09/24 03:34:43 chuck Exp $
|
|
*
|
|
* Copyright 2003-2004 Mike Cochrane <mike@graftonhall.co.nz>
|
|
*
|
|
* See the enclosed file COPYING for license information (LGPL). If you
|
|
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
|
|
*
|
|
* @author Mike Cochrane <mike@graftonhall.co.nz>
|
|
* @version $Revision$
|
|
* @since Horde 3.0
|
|
* @package Horde_iCalendar
|
|
*/
|
|
class Horde_iCalendar {
|
|
|
|
/**
|
|
* The parent (containing) iCalendar object.
|
|
*
|
|
* @var object Horde_iCalendar $_container
|
|
*/
|
|
var $_container = false;
|
|
|
|
var $_attributes = array();
|
|
|
|
var $_components = array();
|
|
|
|
/**
|
|
* According to RFC 2425, we should always use CRLF-terminated
|
|
* lines.
|
|
*
|
|
* @var string $_newline
|
|
*/
|
|
var $_newline = "\r\n";
|
|
|
|
/**
|
|
* Return a reference to a new component.
|
|
*
|
|
* @param string $type The type of component to return
|
|
* @param object $container A container that this component
|
|
* will be associated with.
|
|
*
|
|
* @return object Reference to a Horde_iCalendar_* object as specified.
|
|
*/
|
|
function &newComponent($type, &$container)
|
|
{
|
|
# require_once 'Horde/String.php';
|
|
$type = strtolower($type);
|
|
#error_log("called horde ical new comp". print_r($type,true) );
|
|
$class = 'Horde_iCalendar_' . strtolower($type);
|
|
if (!class_exists($class,false)) {
|
|
include_once dirname(__FILE__) . '/iCalendar/' . $type . '.php';
|
|
}
|
|
if (class_exists($class)) {
|
|
#include_once dirname(__FILE__) . '/iCalendar/' . $type . '.php';
|
|
$component = new $class();
|
|
if ($container !== false) {
|
|
$component->_container = &$container;
|
|
}
|
|
return $component;
|
|
} else {
|
|
// Should return an dummy x-unknown type class here.
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the value of an attribute.
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
* @param string $value The value of the attribute.
|
|
* @param array $params (optional) Array containing any addition
|
|
* parameters for this attribute.
|
|
* @param boolean $append (optional) True to append the attribute, False
|
|
* to replace the first matching attribute found.
|
|
* @param array $values (optional) array representation of $value.
|
|
* For comma/semicolon seperated lists of values.
|
|
* If not set use $value as single array element.
|
|
*/
|
|
function setAttribute($name, $value, $params = array(), $append = true, $values = false)
|
|
{
|
|
$found = $append;
|
|
if (!$values) {
|
|
$values = array($value);
|
|
}
|
|
$keys = array_keys($this->_attributes);
|
|
foreach ($keys as $key) {
|
|
if ($found) break;
|
|
if ($this->_attributes[$key]['name'] == $name) {
|
|
$this->_attributes[$key]['params'] = $params;
|
|
$this->_attributes[$key]['value'] = $value;
|
|
$this->_attributes[$key]['values'] = $values;
|
|
$found = true;
|
|
}
|
|
}
|
|
|
|
if ($append || !$found) {
|
|
$this->_attributes[] = array(
|
|
'name' => $name,
|
|
'params' => $params,
|
|
'value' => $value,
|
|
'values' => $values
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sets parameter(s) for an (already existing) attribute. The
|
|
* parameter set is merged into the existing set.
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
* @param array $params Array containing any additional
|
|
* parameters for this attribute.
|
|
* @return boolean True on success, false if no attribute $name exists.
|
|
*/
|
|
function setParameter($name, $params)
|
|
{
|
|
$keys = array_keys($this->_attributes);
|
|
foreach ($keys as $key) {
|
|
if ($this->_attributes[$key]['name'] == $name) {
|
|
$this->_attributes[$key]['params'] =
|
|
array_merge((array)$this->_attributes[$key]['params'] , $params);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Get the value of an attribute.
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
* @param boolean $params Return the parameters for this attribute
|
|
* instead of its value.
|
|
*
|
|
* @return mixed (object) PEAR_Error if the attribute does not exist.
|
|
* (string) The value of the attribute.
|
|
* (array) The parameters for the attribute or
|
|
* multiple values for an attribute.
|
|
*/
|
|
function getAttribute($name, $params = false)
|
|
{
|
|
$result = array();
|
|
foreach ($this->_attributes as $attribute) {
|
|
if ($attribute['name'] == $name) {
|
|
if ($params) {
|
|
$result[] = $attribute['params'];
|
|
} else {
|
|
$result[] = $attribute['value'];
|
|
}
|
|
}
|
|
}
|
|
if (count($result) == 0) {
|
|
require_once 'PEAR.php';
|
|
return PEAR::raiseError('Attribute "' . $name . '" Not Found');
|
|
} if (count($result) == 1 && !$params) {
|
|
return $result[0];
|
|
} else {
|
|
return $result;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets the values of an attribute as an array. Multiple values
|
|
* are possible due to:
|
|
*
|
|
* a) multiplce occurences of 'name'
|
|
* b) (unsecapd) comma seperated lists.
|
|
*
|
|
* So for a vcard like "KEY:a,b\nKEY:c" getAttributesValues('KEY')
|
|
* will return array('a','b','c').
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
* @return mixed (object) PEAR_Error if the attribute does not exist.
|
|
* (array) Multiple values for an attribute.
|
|
*/
|
|
function getAttributeValues($name)
|
|
{
|
|
$result = array();
|
|
foreach ($this->_attributes as $attribute) {
|
|
if ($attribute['name'] == $name) {
|
|
$result = array_merge($attribute['values'], $result);
|
|
}
|
|
}
|
|
if (!count($result)) {
|
|
return PEAR::raiseError('Attribute "' . $name . '" Not Found');
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Returns the value of an attribute, or a specified default value
|
|
* if the attribute does not exist.
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
* @param mixed $default (optional) What to return if the attribute
|
|
* specified by $name does not exist.
|
|
*
|
|
* @return mixed (string) The value of $name.
|
|
* (mixed) $default if $name does not exist.
|
|
*/
|
|
function getAttributeDefault($name, $default = '')
|
|
{
|
|
$value = $this->getAttribute($name);
|
|
return is_a($value, 'PEAR_Error') ? $default : $value;
|
|
}
|
|
|
|
/**
|
|
* Remove all occurences of an attribute.
|
|
*
|
|
* @param string $name The name of the attribute.
|
|
*/
|
|
function removeAttribute($name)
|
|
{
|
|
$keys = array_keys($this->_attributes);
|
|
foreach ($keys as $key) {
|
|
if ($this->_attributes[$key]['name'] == $name) {
|
|
unset($this->_attributes[$key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get attributes for all tags or for a given tag.
|
|
*
|
|
* @param string $tag (optional) return attributes for this tag.
|
|
* or all attributes if not given
|
|
* @return array Array containing all the attributes and their types.
|
|
*/
|
|
function getAllAttributes($tag = false)
|
|
{
|
|
if ($tag === false) {
|
|
return $this->_attributes;
|
|
}
|
|
$result = array();
|
|
foreach ($this->_attributes as $attribute) {
|
|
if ($attribute['name'] == $tag) {
|
|
$result[] = $attribute;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Add a vCalendar component (eg vEvent, vTimezone, etc.).
|
|
*
|
|
* @param object Horde_iCalendar $component Component (subclass) to add.
|
|
*/
|
|
function addComponent($component)
|
|
{
|
|
if (is_a($component, 'Horde_iCalendar')) {
|
|
$component->_container = &$this;
|
|
$this->_components[] = &$component;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve all the components.
|
|
*
|
|
* @return array Array of Horde_iCalendar objects.
|
|
*/
|
|
function getComponents()
|
|
{
|
|
return $this->_components;
|
|
}
|
|
|
|
/**
|
|
* Return the classes (entry types) we have.
|
|
*
|
|
* @return array Hash with class names Horde_iCalendar_xxx as keys
|
|
* and number of components of this class as value.
|
|
*/
|
|
function getComponentClasses()
|
|
{
|
|
$r = array();
|
|
foreach ($this->_components as $c) {
|
|
$cn = strtolower(get_class($c));
|
|
if (empty($r[$cn])) {
|
|
$r[$cn] = 1;
|
|
} else {
|
|
$r[$cn]++;
|
|
}
|
|
}
|
|
|
|
return $r;
|
|
}
|
|
|
|
/**
|
|
* Number of components in this container.
|
|
*
|
|
* @return integer Number of components in this container.
|
|
*/
|
|
function getComponentCount()
|
|
{
|
|
return count($this->_components);
|
|
}
|
|
|
|
/**
|
|
* Retrieve a specific component.
|
|
*
|
|
* @param integer $idx The index of the object to retrieve.
|
|
*
|
|
* @return mixed (boolean) False if the index does not exist.
|
|
* (Horde_iCalendar_*) The requested component.
|
|
*/
|
|
function getComponent($idx)
|
|
{
|
|
if (isset($this->_components[$idx])) {
|
|
return $this->_components[$idx];
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Locates the first child component of the specified class, and
|
|
* returns a reference to this component.
|
|
*
|
|
* @param string $type The type of component to find.
|
|
*
|
|
* @return mixed (boolean) False if no subcomponent of the specified
|
|
* class exists.
|
|
* (Horde_iCalendar_*) A reference to the requested component.
|
|
*/
|
|
function &findComponent($childclass)
|
|
{
|
|
# require_once 'Horde/String.php';
|
|
# $childclass = 'Horde_iCalendar_' . String::lower($childclass);
|
|
$childclass = 'Horde_iCalendar_' . strtolower($childclass);
|
|
$keys = array_keys($this->_components);
|
|
foreach ($keys as $key) {
|
|
if (is_a($this->_components[$key], $childclass)) {
|
|
return $this->_components[$key];
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Clears the iCalendar object (resets the components and
|
|
* attributes arrays).
|
|
*/
|
|
function clear()
|
|
{
|
|
$this->_components = array();
|
|
$this->_attributes = array();
|
|
}
|
|
|
|
/**
|
|
* Export as vCalendar format.
|
|
*/
|
|
function exportvCalendar()
|
|
{
|
|
#error_log(__METHOD__.": called");
|
|
// Default values.
|
|
$requiredAttributes['VERSION'] = '2.0';
|
|
$requiredAttributes['PRODID'] = '-//The Horde Project//Horde_iCalendar Library, Horde 3.0-cvs //EN';
|
|
$requiredAttributes['METHOD'] = 'PUBLISH';
|
|
|
|
foreach ($requiredAttributes as $name => $default_value) {
|
|
if (is_a($this->getattribute($name), 'PEAR_Error')) {
|
|
$this->setAttribute($name, $default_value);
|
|
}
|
|
}
|
|
//error_log(__METHOD__.":requiredAttributes->".print_r($requiredAttributes,true));
|
|
//njv:$buffcontent = ob_get_clean();
|
|
#error_log(__METHOD__.":".print_r($buffcontent,true));
|
|
#ob_end_clean();
|
|
return $this->_exportvData('VCALENDAR') . $this->_newline;
|
|
}
|
|
|
|
/**
|
|
* Export this entry as a hash array with tag names as keys.
|
|
*
|
|
* @param boolean (optional) $paramsInKeys
|
|
* If false, the operation can be quite lossy as the
|
|
* parameters are ignored when building the array keys.
|
|
* So if you export a vcard with
|
|
* LABEL;TYPE=WORK:foo
|
|
* LABEL;TYPE=HOME:bar
|
|
* the resulting hash contains only one label field!
|
|
* If set to true, array keys look like 'LABEL;TYPE=WORK'
|
|
* @return array A hash array with tag names as keys.
|
|
*/
|
|
function toHash($paramsInKeys = false)
|
|
{
|
|
$hash = array();
|
|
foreach ($this->_attributes as $a) {
|
|
$k = $a['name'];
|
|
if ($paramsInKeys && is_array($a['params'])) {
|
|
foreach ($a['params'] as $p => $v) {
|
|
$k .= ";$p=$v";
|
|
}
|
|
}
|
|
$hash[$k] = $a['value'];
|
|
}
|
|
|
|
return $hash;
|
|
}
|
|
|
|
/**
|
|
* Parse a string containing vCalendar data.
|
|
*
|
|
* @param string $text The data to parse.
|
|
* @param string $base The type of the base object.
|
|
* @param string $charset (optional) The encoding charset for $text. Defaults to utf-8
|
|
* @param boolean $clear (optional) True to clear() the iCal object before parsing.
|
|
*
|
|
* @return boolean True on successful import, false otherwise.
|
|
*/
|
|
function parsevCalendar($text, $base = 'VCALENDAR', $charset = 'utf-8', $clear = true)
|
|
{
|
|
if ($clear) {
|
|
$this->clear();
|
|
}
|
|
error_log(__FILE__ . __METHOD__ . ":\n".$text."\n xxxxxxxxx");
|
|
if (preg_match('/(BEGIN:' . $base . '\r?\n)([\W\w]*)(END:' . $base . '\r?\n?)/i', $text, $matches)) {
|
|
$vCal = $matches[2];
|
|
} else {
|
|
// Text isn't enclosed in BEGIN:VCALENDAR
|
|
// .. END:VCALENDAR. We'll try to parse it anyway.
|
|
$vCal = $text;
|
|
}
|
|
|
|
// All subcomponents.
|
|
$matches = null;
|
|
if (preg_match_all('/BEGIN:([\S]*)(\r\n|\r|\n)([\W\w]*)END:\1(\r\n|\r|\n)/U', $vCal, $matches)) {
|
|
foreach ($matches[0] as $key => $data) {
|
|
$type = $matches[1][$key];
|
|
$component = &Horde_iCalendar::newComponent(trim($type), $this);
|
|
if ($component === false) {
|
|
return PEAR::raiseError("Unable to create object for type $type");
|
|
}
|
|
$component->parsevCalendar($data);
|
|
|
|
$this->addComponent($component);
|
|
|
|
// Remove from the vCalendar data.
|
|
$vCal = str_replace($data, '', $vCal);
|
|
}
|
|
}
|
|
|
|
// Unfold any folded lines.
|
|
#$vCal = preg_replace ('/(\r|\n)+ /', ' ', $vCal);
|
|
|
|
// Unfold "quoted printable" folded lines like:
|
|
// BODY;ENCODING=QUOTED-PRINTABLE:=
|
|
// another=20line=
|
|
// last=20line
|
|
# Horde::logMessage("SymcML: match 1", __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
# if (preg_match_all('/^([^:]+;\s*ENCODING=QUOTED-PRINTABLE(.*=[\r\n|\r|\n])+(.*[^=])[\r\n|\r|\n])/mU', $vCal, $matches)) {
|
|
## if (preg_match_all('/^(BODY;ENCODING=QUOTED-PRINTABLE(.*=\r\n)+(.*)?\r?\n)/mU', $vCal, $matches)) {
|
|
# Horde::logMessage("SymcML: match 2", __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
# foreach ($matches[1] as $s) {
|
|
# Horde::logMessage("SymcML: match 3 $s", __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
# $r = preg_replace('/=[\r\n|\r|\n]/', '', $s);
|
|
# Horde::logMessage("SymcML: match 4 $r", __FILE__, __LINE__, PEAR_LOG_DEBUG);
|
|
# $vCal = str_replace($s, $r, $vCal);
|
|
# }
|
|
# }
|
|
|
|
// Unfold "quoted printable" folded lines like:
|
|
// BODY;ENCODING=QUOTED-PRINTABLE:=
|
|
// another=20line=
|
|
// last=20line
|
|
#if (preg_match_all('/^([^:]+;\s*ENCODING=QUOTED-PRINTABLE(.*=*\s))/mU', $vCal, $matches)) {
|
|
# $matches = preg_split('/=+\s/',$vCal);
|
|
# $vCal = implode('',$matches);
|
|
#}
|
|
if (preg_match_all('/^([^:]+;\s*ENCODING=QUOTED-PRINTABLE(.*=*\s))/mU', $vCal, $matches)) {
|
|
$matches = preg_split('/=(\r\n|\r|\n)/',$vCal);
|
|
$vCal = implode('',$matches);
|
|
}
|
|
|
|
// Parse the remaining attributes.
|
|
|
|
if (preg_match_all('/(.*):([^\r\n]*)[\r\n]+/', $vCal, $matches)) {
|
|
foreach ($matches[0] as $attribute) {
|
|
preg_match('/([^;^:]*)((;[^:]*)?):([^\r\n]*)[\r\n]*/', $attribute, $parts);
|
|
$tag = $parts[1];
|
|
$value = $parts[4];
|
|
$params = array();
|
|
|
|
// Parse parameters.
|
|
if (!empty($parts[2])) {
|
|
preg_match_all('/;(([^;=]*)(=([^;]*))?)/', $parts[2], $param_parts);
|
|
foreach ($param_parts[2] as $key => $paramName) {
|
|
$paramValue = $param_parts[4][$key];
|
|
$params[$paramName] = $paramValue;
|
|
}
|
|
}
|
|
|
|
// Charset and encoding handling.
|
|
|
|
|
|
// njv sanity todo: decode text fields containing qp but not tagged
|
|
|
|
|
|
if ((isset($params['ENCODING'])
|
|
&& $params['ENCODING'] == 'QUOTED-PRINTABLE')
|
|
|| isset($params['QUOTED-PRINTABLE'])) {
|
|
|
|
$value = quoted_printable_decode($value);
|
|
}
|
|
|
|
if (isset($params['CHARSET'])) {
|
|
$value = $GLOBALS['egw']->translation->convert($value, $params['CHARSET']);
|
|
} else {
|
|
// As per RFC 2279, assume UTF8 if we don't have
|
|
// an explicit charset parameter.
|
|
$value = $GLOBALS['egw']->translation->convert($value, 'utf-8');
|
|
}
|
|
|
|
switch ($tag) {
|
|
// Date fields.
|
|
case 'DTSTAMP':
|
|
case 'COMPLETED':
|
|
case 'CREATED':
|
|
case 'LAST-MODIFIED':
|
|
case 'BDAY':
|
|
case 'DTEND':
|
|
case 'DTSTART':
|
|
case 'DUE':
|
|
case 'RECURRENCE-ID':
|
|
$this->setAttribute($tag, $this->_parseDateTime($value), $params);
|
|
break;
|
|
|
|
case 'RDATE':
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE') {
|
|
$this->setAttribute($tag, $this->_parseDate($value), $params);
|
|
} elseif ($params['VALUE'] == 'PERIOD') {
|
|
$this->setAttribute($tag, $this->_parsePeriod($value), $params);
|
|
} else {
|
|
$this->setAttribute($tag, $this->_parseDateTime($value), $params);
|
|
}
|
|
} else {
|
|
$this->setAttribute($tag, $this->_parseDateTime($value), $params);
|
|
}
|
|
break;
|
|
|
|
case 'TRIGGER':
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE-TIME') {
|
|
$this->setAttribute($tag, $this->_parseDateTime($value), $params);
|
|
} else {
|
|
$this->setAttribute($tag, $this->_parseDuration($value), $params);
|
|
}
|
|
} else {
|
|
$this->setAttribute($tag, $this->_parseDuration($value), $params);
|
|
}
|
|
break;
|
|
|
|
// Comma and semicolon seperated dates.
|
|
case 'EXDATE':
|
|
$values = array();
|
|
$dates = array();
|
|
preg_match_all('/[,;]([^,;]*)/', ';' . $value, $values);
|
|
|
|
foreach ($values[1] as $value) {
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE-TIME') {
|
|
$dates[] = $this->_parseDateTime($value);
|
|
} elseif ($params['VALUE'] == 'DATE') {
|
|
$dates[] = $this->_parseDate($value);
|
|
}
|
|
} else {
|
|
$dates[] = $this->_parseDateTime($value);
|
|
}
|
|
}
|
|
$this->setAttribute($tag, $dates, $params);
|
|
break;
|
|
|
|
// Duration fields.
|
|
case 'DURATION':
|
|
$this->setAttribute($tag, $this->_parseDuration($value), $params);
|
|
break;
|
|
|
|
// Period of time fields.
|
|
case 'FREEBUSY':
|
|
$values = array();
|
|
$periods = array();
|
|
preg_match_all('/[,;]([^,;]*)/', ';' . $value, $values);
|
|
foreach ($values[1] as $value) {
|
|
$periods[] = $this->_parsePeriod($value);
|
|
}
|
|
|
|
$this->setAttribute($tag, $periods, $params);
|
|
break;
|
|
|
|
// UTC offset fields.
|
|
case 'TZOFFSETFROM':
|
|
case 'TZOFFSETTO':
|
|
$this->setAttribute($tag, $this->_parseUtcOffset($value), $params);
|
|
break;
|
|
|
|
// Integer fields.
|
|
case 'PERCENT-COMPLETE':
|
|
case 'PRIORITY':
|
|
case 'REPEAT':
|
|
case 'SEQUENCE':
|
|
$this->setAttribute($tag, intval($value), $params);
|
|
break;
|
|
|
|
// Geo fields.
|
|
case 'GEO':
|
|
$floats = explode(';', $value);
|
|
$value['latitude'] = floatval($floats[0]);
|
|
$value['longitude'] = floatval($floats[1]);
|
|
$this->setAttribute($tag, $value, $params);
|
|
break;
|
|
|
|
// Recursion fields.
|
|
case 'EXRULE':
|
|
case 'RRULE':
|
|
$this->setAttribute($tag, trim($value), $params);
|
|
break;
|
|
|
|
// ADR an N are lists seperated by unescaped semi-colons.
|
|
case 'ADR':
|
|
case 'N':
|
|
case 'ORG':
|
|
|
|
$value = trim($value);
|
|
// As of rfc 2426 2.4.2 semi-colon, comma, and
|
|
// colon must be escaped.
|
|
// njv an "urban myth" a colon is tsafe and should not be escaped
|
|
$value = str_replace('\\n', $this->_newline, $value);
|
|
$value = str_replace('\\,', ',', $value);
|
|
//njv:$value = str_replace('\\:', ':', $value);
|
|
|
|
// Split by unescaped semi-colons:
|
|
$values = preg_split('/(?<!\\\\);/',$value);
|
|
$value = str_replace('\\;', ';', $value);
|
|
$values = str_replace('\\;', ';', $values);
|
|
$this->setAttribute($tag, trim($value), $params, true, $values);
|
|
|
|
break;
|
|
|
|
// String fields.
|
|
default:
|
|
|
|
$value = trim($value);
|
|
|
|
//sanity $value should not contain qp
|
|
if(preg_match('/^=[24]/',$value)){
|
|
error_log(__FILE__ .__METHOD__ ."?qp decoded : ". print_r($value , true));
|
|
quoted_printable_decode($value);
|
|
}
|
|
// As of rfc 2426 2.4.2 semi-colon, comma, and
|
|
// colon must be escaped.
|
|
$value = str_replace('\\n', $this->_newline, $value);
|
|
$value = str_replace('\\;', ';', $value);
|
|
//njv:$value = str_replace('\\:', ':', $value);
|
|
|
|
// Split by unescaped commas:
|
|
$values = preg_split('/(?<!\\\\),/',$value);
|
|
$value = str_replace('\\,', ',', $value);
|
|
$values = str_replace('\\,', ',', $values);
|
|
|
|
$this->setAttribute($tag, trim($value), $params, true, $values);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Export this component in vCal format.
|
|
*
|
|
* @param string $base (optional) The type of the base object.
|
|
*
|
|
* @return string vCal format data.
|
|
*/
|
|
function _exportvData($base = 'VCALENDAR')
|
|
{
|
|
$result = 'BEGIN:' . strtoupper($base) . $this->_newline;
|
|
|
|
// Ensure that version is the first attribute.
|
|
$v = $this->getAttributeDefault('VERSION', false);
|
|
if ($v) {
|
|
$result .= 'VERSION:' . $v. $this->_newline;
|
|
}
|
|
|
|
foreach ($this->_attributes as $attribute) {
|
|
$name = $attribute['name'];
|
|
if ($name == 'VERSION') {
|
|
// Already done.
|
|
continue;
|
|
}
|
|
|
|
$params = $attribute['params'];
|
|
$params_str = '';
|
|
|
|
if (count($params)) {
|
|
foreach ($params as $param_name => $param_value) {
|
|
$params_str .= ";$param_name=$param_value";
|
|
}
|
|
}
|
|
|
|
$value = $attribute['value'];
|
|
|
|
switch ($name) {
|
|
// Date fields.
|
|
case 'DTSTAMP':
|
|
case 'COMPLETED':
|
|
case 'CREATED':
|
|
case 'DCREATED':
|
|
case 'LAST-MODIFIED':
|
|
$value = $this->_exportDateTime($value);
|
|
break;
|
|
|
|
case 'DTEND':
|
|
case 'DTSTART':
|
|
case 'DUE':
|
|
case 'RECURRENCE-ID':
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE') {
|
|
$value = $this->_exportDate($value);
|
|
} else {
|
|
$value = $this->_exportDateTime($value);
|
|
}
|
|
} else {
|
|
$value = $this->_exportDateTime($value);
|
|
}
|
|
break;
|
|
|
|
case 'RDATE':
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE') {
|
|
$value = $this->_exportDate($value);
|
|
} elseif ($params['VALUE'] == 'PERIOD') {
|
|
$value = $this->_exportPeriod($value);
|
|
} else {
|
|
$value = $this->_exportDateTime($value);
|
|
}
|
|
} else {
|
|
$value = $this->_exportDateTime($value);
|
|
}
|
|
break;
|
|
|
|
case 'TRIGGER':
|
|
if (isset($params['VALUE'])) {
|
|
if ($params['VALUE'] == 'DATE-TIME') {
|
|
$value = $this->_exportDateTime($value);
|
|
} elseif ($params['VALUE'] == 'DURATION') {
|
|
$value = $this->_exportDuration($value);
|
|
}
|
|
} else {
|
|
$value = $this->_exportDuration($value);
|
|
}
|
|
break;
|
|
|
|
// Duration fields.
|
|
case 'DURATION':
|
|
$value = $this->_exportDuration($value);
|
|
break;
|
|
|
|
// Period of time fields.
|
|
case 'FREEBUSY':
|
|
$value_str = '';
|
|
foreach ($value as $period) {
|
|
$value_str .= empty($value_str) ? '' : ',';
|
|
$value_str .= $this->_exportPeriod($period);
|
|
}
|
|
$value = $value_str;
|
|
break;
|
|
|
|
// UTC offset fields.
|
|
case 'TZOFFSETFROM':
|
|
case 'TZOFFSETTO':
|
|
$value = $this->_exportUtcOffset($value);
|
|
break;
|
|
|
|
// Integer fields.
|
|
case 'PERCENT-COMPLETE':
|
|
case 'PRIORITY':
|
|
case 'REPEAT':
|
|
case 'SEQUENCE':
|
|
$value = "$value";
|
|
break;
|
|
|
|
// Geo fields.
|
|
case 'GEO':
|
|
$value = $value['latitude'] . ',' . $value['longitude'];
|
|
break;
|
|
|
|
// Recurrence fields.
|
|
case 'RRULE':
|
|
break;
|
|
case 'EXRULE':
|
|
|
|
//Text Fields
|
|
case 'SUMMARY':
|
|
case 'DESCRIPTION':
|
|
case 'COMMENT':
|
|
$value = str_replace('\\', '\\\\', $value);
|
|
#$value = str_replace($this->_newline, '\n', $value);
|
|
$value = str_replace(',', '\,', $value);
|
|
$value = str_replace(';', '\;', $value);
|
|
//njv:RFC 2445 says very definately NO!
|
|
//$value = str_replace(':', '\:', $value);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!empty($params['ENCODING']) &&
|
|
$params['ENCODING'] == 'QUOTED-PRINTABLE' && strlen(trim($value)) > 0) {
|
|
$value = str_replace("\r", '', $value);
|
|
# $result .= "$name$params_str:=" . $this->_newline
|
|
# . $this->_quotedPrintableEncode($value)
|
|
# . $this->_newline;
|
|
$result .= "$name$params_str:"
|
|
. $this->_quotedPrintableEncode($value)
|
|
. $this->_newline;
|
|
} else {
|
|
$attr_string = "$name$params_str:$value";
|
|
|
|
$result .= $this->_foldLine($attr_string) . $this->_newline;
|
|
if (!empty($params['ENCODING']) && $params['ENCODING'] == 'BASE64' &&
|
|
strlen(trim($value)) > 0)
|
|
{
|
|
$result .= $this->_newline;
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach ($this->getComponents() as $component) {
|
|
$result .= $component->exportvCalendar() . $this->_newline;
|
|
}
|
|
|
|
$result .= 'END:' . $base;
|
|
|
|
return $result;
|
|
}
|
|
|
|
/**
|
|
* Parse a UTC Offset field.
|
|
*/
|
|
function _parseUtcOffset($text)
|
|
{
|
|
$offset = array();
|
|
if (preg_match('/(\+|-)([0-9]{2})([0-9]{2})([0-9]{2})?/', $text, $timeParts)) {
|
|
$offset['ahead'] = (boolean)($timeParts[1] == '+');
|
|
$offset['hour'] = intval($timeParts[2]);
|
|
$offset['minute'] = intval($timeParts[3]);
|
|
if (isset($timeParts[4])) {
|
|
$offset['second'] = intval($timeParts[4]);
|
|
}
|
|
return $offset;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Export a UTC Offset field.
|
|
*/
|
|
function _exportUtcOffset($value)
|
|
{
|
|
$offset = $value['ahead'] ? '+' : '-';
|
|
$offset .= sprintf('%02d%02d',
|
|
$value['hour'], $value['minute']);
|
|
if (isset($value['second'])) {
|
|
$offset .= sprintf('%02d', $value['second']);
|
|
}
|
|
|
|
return $offset;
|
|
}
|
|
|
|
/**
|
|
* Parse a Time Period field.
|
|
*/
|
|
function _parsePeriod($text)
|
|
{
|
|
$periodParts = explode('/', $text);
|
|
|
|
$start = $this->_parseDateTime($periodParts[0]);
|
|
|
|
if ($duration = $this->_parseDuration($periodParts[1])) {
|
|
return array('start' => $start, 'duration' => $duration);
|
|
} elseif ($end = $this->_parseDateTime($periodParts[1])) {
|
|
return array('start' => $start, 'end' => $end);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Export a Time Period field.
|
|
*/
|
|
function _exportPeriod($value)
|
|
{
|
|
$period = $this->_exportDateTime($value['start']);
|
|
$period .= '/';
|
|
if (isset($value['duration'])) {
|
|
$period .= $this->_exportDuration($value['duration']);
|
|
} else {
|
|
$period .= $this->_exportDateTime($value['end']);
|
|
}
|
|
return $period;
|
|
}
|
|
|
|
/**
|
|
* Parse a DateTime field into a unix timestamp.
|
|
*/
|
|
function _parseDateTime($text)
|
|
{
|
|
$dateParts = explode('T', $text);
|
|
if (count($dateParts) != 2 && !empty($text)) {
|
|
// Not a datetime field but may be just a date field.
|
|
if (!$date = $this->_parseDate($text)) {
|
|
return $date;
|
|
}
|
|
return @mktime(0, 0, 0, $date['month'], $date['mday'], $date['year']);
|
|
}
|
|
|
|
if (!$date = $this->_parseDate($dateParts[0])) {
|
|
return $date;
|
|
}
|
|
if (!$time = $this->_parseTime($dateParts[1])) {
|
|
return $time;
|
|
}
|
|
|
|
//error_log("parseDateTime: ".$text." => ".print_r($time, true));
|
|
|
|
if ($time['zone'] == 'UTC') {
|
|
return @gmmktime($time['hour'], $time['minute'], $time['second'],
|
|
$date['month'], $date['mday'], $date['year']);
|
|
} else {
|
|
return @mktime($time['hour'], $time['minute'], $time['second'],
|
|
$date['month'], $date['mday'], $date['year']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Export a DateTime field.
|
|
*/
|
|
function _exportDateTime($value)
|
|
{
|
|
$temp = array();
|
|
if (!is_object($value) || is_array($value)) {
|
|
$TZOffset = 3600 * substr(date('O',$value), 0, 3);
|
|
$TZOffset += 60 * substr(date('O',$value), 3, 2);
|
|
$value -= $TZOffset;
|
|
|
|
$temp['zone'] = 'UTC';
|
|
$temp['year'] = date('Y', $value);
|
|
$temp['month'] = date('n', $value);
|
|
$temp['mday'] = date('j', $value);
|
|
$temp['hour'] = date('G', $value);
|
|
$temp['minute'] = date('i', $value);
|
|
$temp['second'] = date('s', $value);
|
|
} else {
|
|
$dateOb = (object)$value;
|
|
|
|
$TZOffset = date('O',mktime($dateOb->hour,$dateOb->min,$dateOb->sec,$dateOb->month,$dateOb->mday,$dateOb->year));
|
|
|
|
// Minutes.
|
|
$TZOffsetMin = substr($TZOffset, 0, 1) . substr($TZOffset, 3, 2);
|
|
$thisMin = $dateOb->min - $TZOffsetMin;
|
|
|
|
// Hours.
|
|
$TZOffsetHour = substr($TZOffset, 0, 3);
|
|
$thisHour = $dateOb->hour - $TZOffsetHour;
|
|
|
|
if ($thisMin < 0) {
|
|
$thisHour -= 1;
|
|
$thisMin += 60;
|
|
}
|
|
|
|
if ($thisHour < 0) {
|
|
require_once 'Date/Calc.php';
|
|
$prevday = Date_Calc::prevDay($dateOb->mday, $dateOb->month, $dateOb->year);
|
|
$dateOb->mday = substr($prevday, 6, 2);
|
|
$dateOb->month = substr($prevday, 4, 2);
|
|
$dateOb->year = substr($prevday, 0, 4);
|
|
$thisHour += 24;
|
|
}
|
|
|
|
$temp['zone'] = 'UTC';
|
|
$temp['year'] = $dateOb->year;
|
|
$temp['month'] = $dateOb->month;
|
|
$temp['mday'] = $dateOb->mday;
|
|
$temp['hour'] = $thisHour;
|
|
$temp['minute'] = $dateOb->min;
|
|
$temp['second'] = $dateOb->sec;
|
|
}
|
|
|
|
return Horde_iCalendar::_exportDate($temp) . 'T' . Horde_iCalendar::_exportTime($temp);
|
|
}
|
|
|
|
/**
|
|
* Parse a Time field.
|
|
*/
|
|
function _parseTime($text)
|
|
{
|
|
if (preg_match('/([0-9]{2})([0-9]{2})([0-9]{2})(Z)?/', $text, $timeParts)) {
|
|
$time['hour'] = intval($timeParts[1]);
|
|
$time['minute'] = intval($timeParts[2]);
|
|
$time['second'] = intval($timeParts[3]);
|
|
if (isset($timeParts[4])) {
|
|
$time['zone'] = 'UTC';
|
|
} else {
|
|
$time['zone'] = 'Local';
|
|
}
|
|
return $time;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Export a Time field.
|
|
*/
|
|
function _exportTime($value)
|
|
{
|
|
$time = sprintf('%02d%02d%02d',
|
|
$value['hour'], $value['minute'], $value['second']);
|
|
if ($value['zone'] == 'UTC') {
|
|
$time .= 'Z';
|
|
}
|
|
return $time;
|
|
}
|
|
|
|
/**
|
|
* Parse a Date field.
|
|
*/
|
|
function _parseDate($text)
|
|
{
|
|
if (strlen($text) == 10)
|
|
{
|
|
$text = str_replace('-','',$text);
|
|
}
|
|
if (strlen($text) != 8)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
$date['year'] = intval(substr($text, 0, 4));
|
|
$date['month'] = intval(substr($text, 4, 2));
|
|
$date['mday'] = intval(substr($text, 6, 2));
|
|
|
|
return $date;
|
|
}
|
|
|
|
/**
|
|
* Export a Date field.
|
|
*/
|
|
function _exportDate($value)
|
|
{
|
|
return sprintf('%04d%02d%02d',
|
|
$value['year'], $value['month'], $value['mday']);
|
|
}
|
|
|
|
/**
|
|
* Parse a Duration Value field.
|
|
*/
|
|
function _parseDuration($text)
|
|
{
|
|
if (preg_match('/([+]?|[-])P(([0-9]+W)|([0-9]+D)|)(T(([0-9]+H)|([0-9]+M)|([0-9]+S))+)?/', trim($text), $durvalue)) {
|
|
// Weeks.
|
|
$duration = 7 * 86400 * intval($durvalue[3]);
|
|
|
|
if (count($durvalue) > 4) {
|
|
// Days.
|
|
$duration += 86400 * intval($durvalue[4]);
|
|
}
|
|
if (count($durvalue) > 5) {
|
|
// Hours.
|
|
$duration += 3600 * intval($durvalue[7]);
|
|
|
|
// Mins.
|
|
if (isset($durvalue[8])) {
|
|
$duration += 60 * intval($durvalue[8]);
|
|
}
|
|
|
|
// Secs.
|
|
if (isset($durvalue[9])) {
|
|
$duration += intval($durvalue[9]);
|
|
}
|
|
}
|
|
|
|
// Sign.
|
|
if ($durvalue[1] == "-") {
|
|
$duration *= -1;
|
|
}
|
|
|
|
return $duration;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Export a duration value.
|
|
*/
|
|
function _exportDuration($value)
|
|
{
|
|
$duration = '';
|
|
if ($value < 0) {
|
|
$value *= -1;
|
|
$duration .= '-';
|
|
}
|
|
$duration .= 'P';
|
|
|
|
$weeks = floor($value / (7 * 86400));
|
|
$value = $value % (7 * 86400);
|
|
if ($weeks) {
|
|
$duration .= $weeks . 'W';
|
|
}
|
|
|
|
$days = floor($value / (86400));
|
|
$value = $value % (86400);
|
|
if ($days) {
|
|
$duration .= $days . 'D';
|
|
}
|
|
|
|
if ($value) {
|
|
$duration .= 'T';
|
|
|
|
$hours = floor($value / 3600);
|
|
$value = $value % 3600;
|
|
if ($hours) {
|
|
$duration .= $hours . 'H';
|
|
}
|
|
|
|
$mins = floor($value / 60);
|
|
$value = $value % 60;
|
|
if ($mins) {
|
|
$duration .= $mins . 'M';
|
|
}
|
|
|
|
if ($value) {
|
|
$duration .= $value . 'S';
|
|
}
|
|
}
|
|
|
|
return $duration;
|
|
}
|
|
|
|
/**
|
|
* Return the folded version of a line.
|
|
* JVL rewritten to fold on any ; or: or = if present before column 75
|
|
* this is still rfc2445 section 4.1 compliant
|
|
*/
|
|
function _foldLine($line)
|
|
{
|
|
$line = preg_replace("/\r\n|\n|\r/", '\n', $line);
|
|
if (strlen($line) > 75) {
|
|
$foldedline = '';
|
|
while (!empty($line)) {
|
|
$maxLine = substr($line, 0, 75);
|
|
$cutPoint = 1+max(is_numeric($p1 = strrpos($maxLine,';')) ? $p1 : -1,
|
|
is_numeric($p1 = strrpos($maxLine,':')) ? $p1 : -1,
|
|
is_numeric($p1 = strrpos($maxLine,'=')) ? $p1 : -1);
|
|
if ($cutPoint < 1) // nothing found, then fold complete maxLine
|
|
$cutPoint = 75;
|
|
// now fold [0..(cutPoint-1)]
|
|
$foldedline .= (empty($foldedline))
|
|
? substr($line, 0, $cutPoint)
|
|
: $this->_newline . ' ' . substr($line, 0, $cutPoint);
|
|
|
|
$line = (strlen($line) <= $cutPoint)
|
|
? ''
|
|
: substr($line, $cutPoint);
|
|
|
|
if (strlen($line) < 75) {
|
|
$foldedline .= $this->_newline . ' ' . $line;
|
|
$line = '';
|
|
}
|
|
|
|
}
|
|
return $foldedline;
|
|
}
|
|
return $line;
|
|
}
|
|
|
|
/**
|
|
* Convert an 8bit string to a quoted-printable string according
|
|
* to RFC2045, section 6.7.
|
|
*
|
|
* Uses imap_8bit if available.
|
|
*
|
|
* @param string $input The string to be encoded.
|
|
*
|
|
* @return string The quoted-printable encoded string.
|
|
*/
|
|
function _quotedPrintableEncode($input = '')
|
|
{
|
|
return $this->EncodeQP($input);
|
|
|
|
#$input = preg_replace('!(\r\n|\r|\n)!',"\n",$input);
|
|
|
|
// If imap_8bit() is available, use it.
|
|
if (function_exists('imap_8bit')) {
|
|
$retValue = imap_8bit($input);
|
|
#$retValue = preg_replace('/=0A/',"=0D=0A=\r\n",$retValue);
|
|
return $retValue;
|
|
}
|
|
|
|
// Rather dumb replacment: just encode everything.
|
|
$hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
|
|
'A', 'B', 'C', 'D', 'E', 'F');
|
|
|
|
$output = '';
|
|
$len = strlen($input);
|
|
for ($i = 0; $i < $len; ++$i) {
|
|
$c = substr($input, $i, 1);
|
|
$dec = ord($c);
|
|
$output .= '=' . $hex[floor($dec / 16)] . $hex[floor($dec % 16)];
|
|
if (($i + 1) % 25 == 0) {
|
|
$output .= "=\r\n";
|
|
}
|
|
}
|
|
return $output;
|
|
}
|
|
var $LE = "\r\n";
|
|
|
|
/**
|
|
* Encode string to quoted-printable.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function EncodeQP_old ($str) {
|
|
$encoded = $this->FixEOL($str);
|
|
#$encoded = $str;
|
|
#if (substr($encoded, -(strlen($this->LE))) != $this->LE)
|
|
# $encoded .= $this->LE;
|
|
|
|
// Replace every high ascii, control and = characters
|
|
#$encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',
|
|
# "'='.sprintf('%02X', ord('\\1'))", $encoded);
|
|
$encoded = preg_replace('/([\000-\012\015\016\020-\037\075\177-\377])/e',
|
|
"'='.sprintf('%02X', ord('\\1'))", $encoded);
|
|
// Replace every spaces and tabs when it's the last character on a line
|
|
#$encoded = preg_replace("/([\011\040])".$this->LE."/e",
|
|
# "'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);
|
|
$encoded = preg_replace("/([\011\040])".$this->LE."/e",
|
|
"'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);
|
|
|
|
// Maximum line length of 76 characters before CRLF (74 + space + '=')
|
|
$encoded = $this->WrapText($encoded, 74, true);
|
|
|
|
return $encoded;
|
|
}
|
|
|
|
/**
|
|
* Wraps message for use with mailers that do not
|
|
* automatically perform wrapping and for quoted-printable.
|
|
* Original written by philippe.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function WrapText_old($message, $length, $qp_mode = false) {
|
|
$soft_break = ($qp_mode) ? "=\r\n" : $this->LE;
|
|
|
|
#$message = $this->FixEOL($message);
|
|
if (substr($message, -1) == $this->LE)
|
|
$message = substr($message, 0, -1);
|
|
|
|
$line = explode("=0D=0A", $message);
|
|
$message = "";
|
|
for ($i=0 ;$i < count($line); $i++)
|
|
{
|
|
$line_part = explode(" ", $line[$i]);
|
|
$buf = "";
|
|
for ($e = 0; $e<count($line_part); $e++)
|
|
{
|
|
$word = $line_part[$e];
|
|
if ($qp_mode and (strlen($word) > $length))
|
|
{
|
|
$space_left = $length - strlen($buf) - 1;
|
|
if ($e != 0)
|
|
{
|
|
if ($space_left > 20)
|
|
{
|
|
$len = $space_left;
|
|
if (substr($word, $len - 1, 1) == "=")
|
|
$len--;
|
|
elseif (substr($word, $len - 2, 1) == "=")
|
|
$len -= 2;
|
|
$part = substr($word, 0, $len);
|
|
$word = substr($word, $len);
|
|
$buf .= " " . $part;
|
|
$message .= $buf . sprintf("=%s", $this->LE);
|
|
}
|
|
else
|
|
{
|
|
$message .= $buf . $soft_break;
|
|
}
|
|
$buf = "";
|
|
}
|
|
while (strlen($word) > 0)
|
|
{
|
|
$len = $length;
|
|
if (substr($word, $len - 1, 1) == "=")
|
|
$len--;
|
|
elseif (substr($word, $len - 2, 1) == "=")
|
|
$len -= 2;
|
|
$part = substr($word, 0, $len);
|
|
$word = substr($word, $len);
|
|
|
|
if (strlen($word) > 0)
|
|
$message .= $part . sprintf("=%s", $this->LE);
|
|
else
|
|
$buf = $part;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$buf_o = $buf;
|
|
$buf .= ($e == 0) ? $word : (" " . $word);
|
|
|
|
if (strlen($buf) > $length and $buf_o != "")
|
|
{
|
|
$message .= $buf_o . $soft_break;
|
|
$buf = $word;
|
|
}
|
|
}
|
|
}
|
|
$message .= $buf;
|
|
if((count($line)-1) > $i)
|
|
$message .= "=0D=0A=\r\n";
|
|
}
|
|
|
|
return $message;
|
|
}
|
|
/**
|
|
* Changes every end of line from CR or LF to CRLF.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function FixEOL($str) {
|
|
$str = str_replace("\r\n", "\n", $str);
|
|
$str = str_replace("\r", "\n", $str);
|
|
$str = str_replace("\n", $this->LE, $str);
|
|
return $str;
|
|
}
|
|
|
|
/**
|
|
* Encode string to quoted-printable.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function EncodeQP ($str) {
|
|
$encoded = $this->FixEOL($str);
|
|
# see bug report http://sourceforge.net/tracker/index.php?func=detail&aid=1536674&group_id=78745&atid=554338
|
|
#if (substr($encoded, -(strlen($this->LE))) != $this->LE)
|
|
# $encoded .= $this->LE;
|
|
|
|
// Replace every high ascii, control and = characters
|
|
#$encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',
|
|
# "'='.sprintf('%02X', ord('\\1'))", $encoded);
|
|
$encoded = preg_replace('/([\000-\012\015\016\020-\037\075\177-\377])/e',
|
|
"'='.sprintf('%02X', ord('\\1'))", $encoded);
|
|
// Replace every spaces and tabs when it's the last character on a line
|
|
$encoded = preg_replace("/([\011\040])".$this->LE."/e",
|
|
"'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);
|
|
|
|
// Maximum line length of 76 characters before CRLF (74 + space + '=')
|
|
#$encoded = $this->WrapText($encoded, 74, true);
|
|
|
|
return $encoded;
|
|
}
|
|
|
|
/**
|
|
* Wraps message for use with mailers that do not
|
|
* automatically perform wrapping and for quoted-printable.
|
|
* Original written by philippe.
|
|
* @access private
|
|
* @return string
|
|
*/
|
|
function WrapText($message, $length, $qp_mode = false) {
|
|
$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
|
|
$soft_break = "..=";
|
|
|
|
$message = $this->FixEOL($message);
|
|
if (substr($message, -1) == $this->LE)
|
|
$message = substr($message, 0, -1);
|
|
|
|
$line = explode($this->LE, $message);
|
|
$message = "";
|
|
for ($i=0 ;$i < count($line); $i++)
|
|
{
|
|
$line_part = explode(" ", $line[$i]);
|
|
$buf = "";
|
|
for ($e = 0; $e<count($line_part); $e++)
|
|
{
|
|
$word = $line_part[$e];
|
|
if ($qp_mode and (strlen($word) > $length))
|
|
{
|
|
$space_left = $length - strlen($buf) - 1;
|
|
if ($e != 0)
|
|
{
|
|
if ($space_left > 20)
|
|
{
|
|
$len = $space_left;
|
|
if (substr($word, $len - 1, 1) == "=")
|
|
$len--;
|
|
elseif (substr($word, $len - 2, 1) == "=")
|
|
$len -= 2;
|
|
$part = substr($word, 0, $len);
|
|
$word = substr($word, $len);
|
|
$buf .= " " . $part;
|
|
$message .= $buf . sprintf("=%s", $this->LE);
|
|
}
|
|
else
|
|
{
|
|
$message .= $buf . $soft_break;
|
|
}
|
|
$buf = "";
|
|
}
|
|
while (strlen($word) > 0)
|
|
{
|
|
$len = $length;
|
|
if (substr($word, $len - 1, 1) == "=")
|
|
$len--;
|
|
elseif (substr($word, $len - 2, 1) == "=")
|
|
$len -= 2;
|
|
$part = substr($word, 0, $len);
|
|
$word = substr($word, $len);
|
|
|
|
if (strlen($word) > 0)
|
|
$message .= $part . sprintf("=%s", $this->LE);
|
|
else
|
|
$buf = $part;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$buf_o = $buf;
|
|
$buf .= ($e == 0) ? $word : (" " . $word);
|
|
|
|
if (strlen($buf) > $length and $buf_o != "")
|
|
{
|
|
$message .= $buf_o . $soft_break;
|
|
$buf = $word;
|
|
}
|
|
}
|
|
}
|
|
$message .= $buf . $this->LE;
|
|
}
|
|
|
|
return $message;
|
|
}
|
|
|
|
}
|