diff options
Diffstat (limited to 'Neutron-trunk/api/engine-cyclic/includes/cache.php')
| -rw-r--r-- | Neutron-trunk/api/engine-cyclic/includes/cache.php | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Neutron-trunk/api/engine-cyclic/includes/cache.php b/Neutron-trunk/api/engine-cyclic/includes/cache.php new file mode 100644 index 0000000..80ea283 --- /dev/null +++ b/Neutron-trunk/api/engine-cyclic/includes/cache.php @@ -0,0 +1,70 @@ +<?php + +// Create cache dir +if (!file_exists($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache")) { + mkdir($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache"); +} + +function cacheCheck(string $page) { + /* // If something goes wrong, use cache anyway + $cache = true; + + // Get a list of enabled widgets + $widgets = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/widgets.json")); + if (json_last_error() != JSON_ERROR_NONE) { // If data is corrupted, silently think there are no widgets + $list = []; + rlgps("Warning: Widget information is corrupted"); + } else { + $list = $widgets->list; + } + + // Check if there is (at least) one widget that disables cache + foreach ($list as $widget) { + $data = json_decode(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/widgets/$widget/feature.json")); + if (json_last_error() == JSON_ERROR_NONE) { + if (isset($data->cache)) { + if (is_bool($data->cache)) { + $cache = $data->cache; + if ($data->cache == false) { + rlgps("Widget \"$widget\" prevents the use of cache"); + } + } + } + } else { + rlgps("Warning: Metadata for the widget \"$widget\" is corrupted"); + } + } + + // Check if an update has been installed + if (file_exists($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/last_version")) { + if (file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/last_version") == file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/api/version")) {} else { + $cache = false; + require $_SERVER['DOCUMENT_ROOT'] . "/api/admin/cache_content_reset.php"; + file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/last_version", file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/api/version")); + } + } else { + $cache = false; + require $_SERVER['DOCUMENT_ROOT'] . "/api/admin/cache_content_reset.php"; + file_put_contents($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/last_version", file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/api/version")); + } + + // Is there any widget that disables cache? + if ($cache) { // no + // Does the cached version exists? + if (file_exists($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/page-" . $page)) { // yes + header("X-FNS-NeutronCache: yes"); + echo(file_get_contents($_SERVER['DOCUMENT_ROOT'] . "/data/webcontent/cache/page-" . $page)); // So let's output it + require_once $_SERVER['DOCUMENT_ROOT'] . "/resources/private/debug.php";debugDump(); // And debug if needed + return true; + } else { // no + header("X-FNS-NeutronCache: no"); + return false; // Let the engine-cyclic render the page + } + } else { // yes + header("X-FNS-NeutronCache: no"); + return false; // Let the engine-cyclic render the page + } */ + + // Cache is now completely disabled due to problems + return false; +}
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