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2nd Fix Evolution CalDAV HTTP_IF_MATCH issue (Stylite#601)

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This commit is contained in:
Jörg Lehrke 2010-06-14 07:38:41 +00:00
parent ca6e75f620
commit a88fbb756f
1 changed files with 20 additions and 10 deletions
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30
phpgwapi/inc/class.groupdav_handler.inc.php
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@ -267,19 +267,29 @@ abstract class groupdav_handler
$etag = $this->get_etag($entry);
// If the clients sends an "If-Match" header ($_SERVER['HTTP_IF_MATCH']) we check with the current etag
// of the calendar --> on failure we return 412 Precondition failed, to not overwrite the modifications
if (isset($_SERVER['HTTP_IF_MATCH']) &&
($this->http_if_match = (strstr($_SERVER['HTTP_IF_MATCH'], $etag) === false)))
if (isset($_SERVER['HTTP_IF_MATCH']))
{
if ($this->debug) error_log(__METHOD__."($method,,$id) HTTP_IF_MATCH='$_SERVER[HTTP_IF_MATCH]', etag='$etag': 412 Precondition failed");
return '412 Precondition Failed';
if (strstr($_SERVER['HTTP_IF_MATCH'], $etag) === false)
{
$this->http_if_match = $_SERVER['HTTP_IF_MATCH'];
if ($this->debug) error_log(__METHOD__."($method,,$id) HTTP_IF_MATCH='$_SERVER[HTTP_IF_MATCH]', etag='$etag': 412 Precondition failed");
return '412 Precondition Failed';
}
else
{
$this->http_if_match = $etag;
// if an IF_NONE_MATCH is given, check if we need to send a new export, or the current one is still up-to-date
if ($method == 'GET' && isset($_SERVER['HTTP_IF_NONE_MATCH']))
{
if ($this->debug) error_log(__METHOD__."($method,,$id) HTTP_IF_NONE_MATCH='$_SERVER[HTTP_IF_NONE_MATCH]', etag='$etag': 304 Not Modified");
return '304 Not Modified';
}
}
}
// if an IF_NONE_MATCH is given, check if we need to send a new export, or the current one is still up-to-date
if ($method == 'GET' &&
isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
strstr($_SERVER['HTTP_IF_MATCH'], $etag) !== false)
if (isset($_SERVER['HTTP_IF_NONE_MATCH']))
{
if ($this->debug) error_log(__METHOD__."($method,,$id) HTTP_IF_NONE_MATCH='$_SERVER[HTTP_IF_NONE_MATCH]', etag='$etag': 304 Not Modified");
return '304 Not Modified';
if ($this->debug) error_log(__METHOD__."($method,,$id) HTTP_IF_NONE_MATCH='$_SERVER[HTTP_IF_NONE_MATCH]', etag='$etag': 412 Precondition failed");
return '412 Precondition Failed';
}
}
return $entry;