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BUG Fix edge case IE8 / dev / ssl / download file crash

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Prevents issue at http://support.microsoft.com/kb/323308 appearing on dev
This commit is contained in:
Damian Mooyman 2014-04-24 17:18:07 +12:00
parent e2f3001438
commit 5e9ae578c3
1 changed files with 9 additions and 7 deletions
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16
control/HTTP.php
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@ -307,6 +307,8 @@ class HTTP {
* deprecated; in these cases, the headers are output directly.
*/
public static function add_cache_headers($body = null) {
$cacheAge = self::$cache_age;
// Validate argument
if($body && !($body instanceof SS_HTTPResponse)) {
user_error("HTTP::add_cache_headers() must be passed an SS_HTTPResponse object", E_USER_WARNING);
@ -315,7 +317,7 @@ class HTTP {
// Development sites have frequently changing templates; this can get stuffed up by the code
// below.
if(Director::isDev()) return;
if(Director::isDev()) $cacheAge = 0;
// The headers have been sent and we don't have an SS_HTTPResponse object to attach things to; no point in
// us trying.
@ -326,16 +328,16 @@ class HTTP {
if(function_exists('apache_request_headers')) {
$requestHeaders = apache_request_headers();
if(isset($requestHeaders['X-Requested-With']) && $requestHeaders['X-Requested-With']=='XMLHttpRequest') {
self::$cache_age = 0;
$cacheAge = 0;
}
// bdc: now we must check for DUMB IE6:
if(isset($requestHeaders['x-requested-with']) && $requestHeaders['x-requested-with']=='XMLHttpRequest') {
self::$cache_age = 0;
$cacheAge = 0;
}
}
if(self::$cache_age > 0) {
$responseHeaders["Cache-Control"] = "max-age=" . self::$cache_age . ", must-revalidate, no-transform";
if($cacheAge > 0) {
$responseHeaders["Cache-Control"] = "max-age={$cacheAge}, must-revalidate, no-transform";
$responseHeaders["Pragma"] = "";
// To do: User-Agent should only be added in situations where you *are* actually
@ -365,7 +367,7 @@ class HTTP {
}
}
if(self::$modification_date && self::$cache_age > 0) {
if(self::$modification_date && $cacheAge > 0) {
$responseHeaders["Last-Modified"] = self::gmt_date(self::$modification_date);
// Chrome ignores Varies when redirecting back (http://code.google.com/p/chromium/issues/detail?id=79758)
@ -401,7 +403,7 @@ class HTTP {
}
}
$expires = time() + self::$cache_age;
$expires = time() + $cacheAge;
$responseHeaders["Expires"] = self::gmt_date($expires);
}