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fixed iCal parser to unescape escaped separators AFTER spliting by them, causing eg. semicolons in vcard N property (name) to fail

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Ralf Becker 2011-10-05 06:27:24 +00:00
parent a9b4bfdaba
commit 8cce6075bd
1 changed files with 8 additions and 14 deletions
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22
phpgwapi/inc/horde/Horde/iCalendar.php
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@ -822,17 +822,15 @@ class Horde_iCalendar {
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", ';', ':'),
// be escaped (semicolon 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;
@ -841,15 +839,13 @@ class Horde_iCalendar {
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", ',', ':'),
// 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);
$value = str_replace('\\,', ',', $value);
$values = str_replace('\\,', ',', $values);
$this->setAttribute($tag, trim($value), $params, true, $values);
@ -861,16 +857,14 @@ class Horde_iCalendar {
$value = trim($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 = 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);