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MDL-47966 Add default content type and encoding

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This commit is contained in:
Petr Skoda 2014-10-30 11:16:26 +13:00
parent 32a69a7d7a
commit 3c98b7a5ad
1 changed files with 18 additions and 0 deletions
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18
lib/setup.php
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@ -772,6 +772,24 @@ if (empty($CFG->sessiontimeout)) {
}
\core\session\manager::start();
// Set default content type and encoding, developers are still required to use
// echo $OUTPUT->header() everywhere, anything that gets set later should override these headers.
// This is intended to mitigate some security problems.
if (AJAX_SCRIPT) {
if (!core_useragent::supports_json_contenttype()) {
// Some bloody old IE.
@header('Content-type: text/plain; charset=utf-8');
@header('X-Content-Type-Options: nosniff');
} else if (!empty($_FILES)) {
// Some ajax code may have problems with json and file uploads.
@header('Content-type: text/plain; charset=utf-8');
} else {
@header('Content-type: application/json; charset=utf-8');
}
} else if (!CLI_SCRIPT) {
@header('Content-type: text/html; charset=utf-8');
}
// Initialise some variables that are supposed to be set in config.php only.
if (!isset($CFG->filelifetime)) {
$CFG->filelifetime = 60*60*6;