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Merge branch 'm27_MDL-40379_Prevent_Some_Mobile_Network_Providers_From_Modifying_Content' of https://github.com/scara/moodle

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This commit is contained in:
Dan Poltawski
2014-01-07 12:42:33 +08:00
parent e011f229a8 c3a3f54053
commit 4e5fb5bec1
5 changed files with 16 additions and 16 deletions
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lib/filelib.php
+8 -8
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@@ -2188,11 +2188,11 @@ function send_temp_file($path, $filename, $pathisstring=false) {
header('Content-Disposition: attachment; filename="'.$filename.'"');
if (strpos($CFG->wwwroot, 'https://') === 0) { //https sites - watch out for IE! KB812935 and KB316431
header('Cache-Control: private, max-age=10');
header('Cache-Control: private, max-age=10, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: ');
} else { //normal http - prevent caching at all cost
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: no-cache');
}
@@ -2274,18 +2274,18 @@ function send_file($path, $filename, $lifetime = null , $filter=0, $pathisstring
$private = ' private,';
}
$nobyteserving = false;
header('Cache-Control:'.$private.' max-age='.$lifetime);
header('Cache-Control:'.$private.' max-age='.$lifetime.', no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
header('Pragma: ');
} else { // Do not cache files in proxies and browsers
$nobyteserving = true;
if (strpos($CFG->wwwroot, 'https://') === 0) { //https sites - watch out for IE! KB812935 and KB316431
header('Cache-Control: private, max-age=10');
header('Cache-Control: private, max-age=10, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: ');
} else { //normal http - prevent caching at all cost
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: no-cache');
}
@@ -2445,17 +2445,17 @@ function send_stored_file($stored_file, $lifetime=null, $filter=0, $forcedownloa
if (isloggedin() and !isguestuser()) {
$private = ' private,';
}
header('Cache-Control:'.$private.' max-age='.$lifetime);
header('Cache-Control:'.$private.' max-age='.$lifetime.', no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', time() + $lifetime) .' GMT');
header('Pragma: ');
} else { // Do not cache files in proxies and browsers
if (strpos($CFG->wwwroot, 'https://') === 0) { //https sites - watch out for IE! KB812935 and KB316431
header('Cache-Control: private, max-age=10');
header('Cache-Control: private, max-age=10, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: ');
} else { //normal http - prevent caching at all cost
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0');
header('Cache-Control: private, must-revalidate, pre-check=0, post-check=0, max-age=0, no-transform');
header('Expires: '. gmdate('D, d M Y H:i:s', 0) .' GMT');
header('Pragma: no-cache');
}