Fix old format vCard/vCalendar quoting issue

This commit is contained in:
Jörg Lehrke 2010-08-06 20:50:56 +00:00
parent 68cf0235e2
commit ed79fca436

View File

@ -650,233 +650,238 @@ class Horde_iCalendar {
}
// Charset and encoding handling.
if (isset($params['QUOTED-PRINTABLE'])) {
$params['ENCODING'] = 'QUOTED-PRINTABLE';
}
if (isset($params['BASE64'])) {
$params['ENCODING'] = 'BASE64';
}
if (isset($params['ENCODING'])) {
switch (String::upper($params['ENCODING'])) {
case 'Q':
case 'QUOTED-PRINTABLE':
$value = quoted_printable_decode($value);
if (isset($params['CHARSET'])) {
$value = $GLOBALS['egw']->translation->convert($value, $params['CHARSET']);
} else {
$value = $GLOBALS['egw']->translation->convert($value,
empty($charset) ? ($this->isOldFormat() ? 'iso-8859-1' : 'utf-8') : $charset);
}
// Funambol hack :-(
$value = str_replace('\\\\n', "\n", $value);
break;
case 'B':
case 'BASE64':
$value = base64_decode($value);
break;
}
} elseif (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,
empty($charset) ? ($this->isOldFormat() ? 'iso-8859-1' : 'utf-8') : $charset);
}
// Get timezone info for date fields from $params.
$tzid = isset($params['TZID']) ? trim($params['TZID'], '\"') : false;
switch ($tag) {
case 'VERSION': // already processed
break;
// Date fields.
case 'COMPLETED':
case 'CREATED':
case 'LAST-MODIFIED':
$this->setAttribute($tag, $this->_parseDateTime($value, $tzid), $params);
break;
case 'BDAY':
case 'X-SYNCJE-ANNIVERSARY':
$this->setAttribute($tag, $value, $params, true, $this->_parseDate($value));
break;
case 'DTEND':
case 'DTSTART':
case 'DTSTAMP':
case 'DUE':
case 'AALARM':
case 'DALARM':
case 'RECURRENCE-ID':
case 'X-RECURRENCE-ID':
// types like AALARM may contain additional data after a ;
// ignore these.
$ts = explode(';', $value);
if (isset($params['VALUE']) && $params['VALUE'] == 'DATE') {
$isDate = true;
$this->setAttribute($tag, $this->_parseDateTime($ts[0], $tzid), $params, true, $this->_parseDate($ts[0]));
} else {
$this->setAttribute($tag, $this->_parseDateTime($ts[0], $tzid), $params);
}
break;
case 'TRIGGER':
if (isset($params['VALUE'])) {
if ($params['VALUE'] == 'DATE-TIME') {
$this->setAttribute($tag, $this->_parseDateTime($value, $tzid), $params);
} else {
$this->setAttribute($tag, $this->_parseDuration($value), $params);
}
} else {
$this->setAttribute($tag, $this->_parseDuration($value), $params);
}
break;
// Comma or semicolon seperated dates.
case 'EXDATE':
case 'RDATE':
$dates = array();
preg_match_all('/[;,]([^;,]*)/', ';' . $value, $values);
foreach ($values[1] as $value) {
if ((isset($params['VALUE'])
&& $params['VALUE'] == 'DATE') || (!isset($params['VALUE']) && $isDate)) {
$dates[] = $this->_parseDate(trim($value));
} else {
$dates[] = $this->_parseDateTime(trim($value), $tzid);
}
}
$this->setAttribute($tag, isset($dates[0]) ? $dates[0] : null, $params, true, $dates);
break;
// Duration fields.
case 'DURATION':
$this->setAttribute($tag, $this->_parseDuration($value), $params);
break;
// Period of time fields.
case 'FREEBUSY':
$periods = array();
preg_match_all('/,([^,]*)/', ',' . $value, $values);
foreach ($values[1] as $value) {
$periods[] = $this->_parsePeriod($value);
}
$this->setAttribute($tag, isset($periods[0]) ? $periods[0] : null, $params, true, $periods);
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), $params);
break;
// Geo fields.
case 'GEO':
if ($this->isOldFormat()) {
$floats = explode(',', $value);
$value = array('latitude' => floatval($floats[1]),
'longitude' => floatval($floats[0]));
} else {
$floats = explode(';', $value);
$value = array('latitude' => floatval($floats[0]),
'longitude' => floatval($floats[1]));
}
$this->setAttribute($tag, $value, $params);
break;
// Recursion fields. # add more flexibility
#case 'EXRULE':
#case 'RRULE':
# $this->setAttribute($tag, trim($value), $params);
# break;
// Binary fields.
case 'PHOTO':
$this->setAttribute($tag, $value, $params);
break;
// ADR, ORG and N are lists seperated by unescaped semicolons
// with a specific number of slots.
case 'ADR':
case 'N':
case 'ORG':
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon must
// be escaped (comma is unescaped after splitting below).
$value = str_replace(array('\\n', '\\N', '\\;', '\\:'),
array("\n", "\n", ';', ':'),
$value);
// Split by unescaped semicolons:
$values = preg_split('/(?<!\\\\);/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
break;
// CATEGORIES is a lists seperated by unescaped commas
// with a unspecific number of slots.
case 'CATEGORIES':
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon must
// be escaped (semicolon is unescaped after splitting below).
$value = str_replace(array('\\n', '\\N', '\\,', '\\:'),
array("\n", "\n", ',', ':'),
$value);
// Split by unescaped commas:
$values = preg_split('/(?<!\\\\),/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
break;
// String fields.
default:
if ($this->isOldFormat()) {
// vCalendar 1.0 and vCard 2.1 only escape semicolons
// and use unescaped semicolons to create lists.
$value = trim($value);
// Split by unescaped semicolons:
$values = preg_split('/(?<!\\\\);/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
} else {
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon
// must be escaped (comma is unescaped after splitting
// below).
$value = str_replace(array('\\n', '\\N', '\\;', '\\:', '\\\\'),
array("\n", "\n", ';', ':', '\\'),
$value);
// Split by unescaped commas.
$values = preg_split('/(?<!\\\\),/', $value);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
}
break;
}
if (isset($params['QUOTED-PRINTABLE'])) {
$params['ENCODING'] = 'QUOTED-PRINTABLE';
}
if (isset($params['BASE64'])) {
$params['ENCODING'] = 'BASE64';
}
if (isset($params['ENCODING'])) {
switch (String::upper($params['ENCODING'])) {
case 'Q':
case 'QUOTED-PRINTABLE':
$value = quoted_printable_decode($value);
if (isset($params['CHARSET'])) {
$value = $GLOBALS['egw']->translation->convert($value, $params['CHARSET']);
} else {
$value = $GLOBALS['egw']->translation->convert($value,
empty($charset) ? ($this->isOldFormat() ? 'iso-8859-1' : 'utf-8') : $charset);
}
// Funambol hack :-(
$value = str_replace('\\\\n', "\n", $value);
break;
case 'B':
case 'BASE64':
$value = base64_decode($value);
break;
}
} elseif (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,
empty($charset) ? ($this->isOldFormat() ? 'iso-8859-1' : 'utf-8') : $charset);
}
// Get timezone info for date fields from $params.
$tzid = isset($params['TZID']) ? trim($params['TZID'], '\"') : false;
switch ($tag) {
case 'VERSION': // already processed
break;
// Date fields.
case 'COMPLETED':
case 'CREATED':
case 'LAST-MODIFIED':
$this->setAttribute($tag, $this->_parseDateTime($value, $tzid), $params);
break;
case 'BDAY':
case 'X-SYNCJE-ANNIVERSARY':
$this->setAttribute($tag, $value, $params, true, $this->_parseDate($value));
break;
case 'DTEND':
case 'DTSTART':
case 'DTSTAMP':
case 'DUE':
case 'AALARM':
case 'DALARM':
case 'RECURRENCE-ID':
case 'X-RECURRENCE-ID':
// types like AALARM may contain additional data after a ;
// ignore these.
$ts = explode(';', $value);
if (isset($params['VALUE']) && $params['VALUE'] == 'DATE') {
$isDate = true;
$this->setAttribute($tag, $this->_parseDateTime($ts[0], $tzid), $params, true, $this->_parseDate($ts[0]));
} else {
$this->setAttribute($tag, $this->_parseDateTime($ts[0], $tzid), $params);
}
break;
case 'TRIGGER':
if (isset($params['VALUE'])) {
if ($params['VALUE'] == 'DATE-TIME') {
$this->setAttribute($tag, $this->_parseDateTime($value, $tzid), $params);
} else {
$this->setAttribute($tag, $this->_parseDuration($value), $params);
}
} else {
$this->setAttribute($tag, $this->_parseDuration($value), $params);
}
break;
// Comma or semicolon seperated dates.
case 'EXDATE':
case 'RDATE':
$dates = array();
preg_match_all('/[;,]([^;,]*)/', ';' . $value, $values);
foreach ($values[1] as $value) {
if ((isset($params['VALUE'])
&& $params['VALUE'] == 'DATE') || (!isset($params['VALUE']) && $isDate)) {
$dates[] = $this->_parseDate(trim($value));
} else {
$dates[] = $this->_parseDateTime(trim($value), $tzid);
}
}
$this->setAttribute($tag, isset($dates[0]) ? $dates[0] : null, $params, true, $dates);
break;
// Duration fields.
case 'DURATION':
$this->setAttribute($tag, $this->_parseDuration($value), $params);
break;
// Period of time fields.
case 'FREEBUSY':
$periods = array();
preg_match_all('/,([^,]*)/', ',' . $value, $values);
foreach ($values[1] as $value) {
$periods[] = $this->_parsePeriod($value);
}
$this->setAttribute($tag, isset($periods[0]) ? $periods[0] : null, $params, true, $periods);
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), $params);
break;
// Geo fields.
case 'GEO':
if ($this->isOldFormat()) {
$floats = explode(',', $value);
$value = array('latitude' => floatval($floats[1]),
'longitude' => floatval($floats[0]));
} else {
$floats = explode(';', $value);
$value = array('latitude' => floatval($floats[0]),
'longitude' => floatval($floats[1]));
}
$this->setAttribute($tag, $value, $params);
break;
// Recursion fields. # add more flexibility
#case 'EXRULE':
#case 'RRULE':
# $this->setAttribute($tag, trim($value), $params);
# break;
// Binary fields.
case 'PHOTO':
$this->setAttribute($tag, $value, $params);
break;
// ADR, ORG and N are lists seperated by unescaped semicolons
// with a specific number of slots.
case 'ADR':
case 'N':
case 'ORG':
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon must
// be escaped (comma is unescaped after splitting below).
$value = str_replace(array('\\n', '\\N', '\\;', '\\:'),
array("\n", "\n", ';', ':'),
$value);
// Split by unescaped semicolons:
$values = preg_split('/(?<!\\\\);/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
break;
// CATEGORIES is a lists seperated by unescaped commas
// with a unspecific number of slots.
case 'CATEGORIES':
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon must
// be escaped (semicolon is unescaped after splitting below).
$value = str_replace(array('\\n', '\\N', '\\,', '\\:'),
array("\n", "\n", ',', ':'),
$value);
// Split by unescaped commas:
$values = preg_split('/(?<!\\\\),/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
break;
// String fields.
default:
if ($this->isOldFormat()) {
$value = trim($value);
// vCalendar 1.0 and vCard 2.1 only escape semicolons
// and use unescaped semicolons to create lists.
$value = str_replace(array('\\n', '\\N', '\\;', '\\:'),
array("\n", "\n", ';', ':'),
$value);
// Split by unescaped semicolons:
$values = preg_split('/(?<!\\\\);/', $value);
$value = str_replace('\\;', ';', $value);
$values = str_replace('\\;', ';', $values);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
} else {
$value = trim($value);
// As of rfc 2426 2.4.2 semicolon, comma, and colon
// must be escaped (comma is unescaped after splitting
// below).
$value = str_replace(array('\\n', '\\N', '\\;', '\\:', '\\\\'),
array("\n", "\n", ';', ':', '\\'),
$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;
}