diff options
author | David Rothstein <drothstein@gmail.com> | 2014-11-04 20:07:30 -0500 |
---|---|---|
committer | David Rothstein <drothstein@gmail.com> | 2014-11-04 20:07:30 -0500 |
commit | 9559160204f1c4e72e145cf95d61bf61e4bd1fcf (patch) | |
tree | 7d90d37162f5694ea079122846bf4ed2ffb4b50b | |
parent | d6c502926e1286e22771c58e01db386ba80d6480 (diff) | |
download | brdo-9559160204f1c4e72e145cf95d61bf61e4bd1fcf.tar.gz brdo-9559160204f1c4e72e145cf95d61bf61e4bd1fcf.tar.bz2 |
Issue #1930960 by pounard, iamEAP, pjcdawkins, msonnabaum, David_Rothstein: Fixed Block caching disable hardcoded on sites with hook_node_grant() causes serious performance troubles when not necessary.
-rw-r--r-- | CHANGELOG.txt | 2 | ||||
-rw-r--r-- | modules/block/block.module | 17 | ||||
-rw-r--r-- | sites/default/default.settings.php | 12 |
3 files changed, 27 insertions, 4 deletions
diff --git a/CHANGELOG.txt b/CHANGELOG.txt index 427e20b5b..6192f3989 100644 --- a/CHANGELOG.txt +++ b/CHANGELOG.txt @@ -1,6 +1,8 @@ Drupal 7.33, xxxx-xx-xx (development version) ----------------------- +- Added a "block_cache_bypass_node_grants" variable to allow sites which have + node access modules enabled to use the block cache if desired (API addition). - Made image derivative generation HTTP requests return a 404 error (rather than a 500 error) when the source image does not exist. - Fixed a bug which caused user pictures to be removed from the user object diff --git a/modules/block/block.module b/modules/block/block.module index 2977ca88f..b6a733267 100644 --- a/modules/block/block.module +++ b/modules/block/block.module @@ -848,10 +848,19 @@ function block_block_list_alter(&$blocks) { * An array of visible blocks as expected by drupal_render(). */ function _block_render_blocks($region_blocks) { - // Block caching is not compatible with node access modules. We also - // preserve the submission of forms in blocks, by fetching from cache only + $cacheable = TRUE; + + // We preserve the submission of forms in blocks, by fetching from cache only // if the request method is 'GET' (or 'HEAD'). - $cacheable = !count(module_implements('node_grants')) && ($_SERVER['REQUEST_METHOD'] == 'GET' || $_SERVER['REQUEST_METHOD'] == 'HEAD'); + if ($_SERVER['REQUEST_METHOD'] != 'GET' && $_SERVER['REQUEST_METHOD'] != 'HEAD') { + $cacheable = FALSE; + } + // Block caching is not usually compatible with node access modules, so by + // default it is disabled when node access modules exist. However, it can be + // allowed by using the variable 'block_cache_bypass_node_grants'. + elseif (!variable_get('block_cache_bypass_node_grants', FALSE) && count(module_implements('node_grants'))) { + $cacheable = FALSE; + } // Proceed to loop over all blocks in order to compute their respective cache // identifiers; this allows us to do one single cache_get_multiple() call @@ -1054,7 +1063,7 @@ function block_menu_delete($menu) { * Implements hook_form_FORM_ID_alter(). */ function block_form_system_performance_settings_alter(&$form, &$form_state) { - $disabled = count(module_implements('node_grants')); + $disabled = (!variable_get('block_cache_bypass_node_grants', FALSE) && count(module_implements('node_grants'))); $form['caching']['block_cache'] = array( '#type' => 'checkbox', '#title' => t('Cache blocks'), diff --git a/sites/default/default.settings.php b/sites/default/default.settings.php index fc1240d0d..449f18867 100644 --- a/sites/default/default.settings.php +++ b/sites/default/default.settings.php @@ -435,6 +435,18 @@ ini_set('session.cookie_lifetime', 2000000); # $conf['js_gzip_compression'] = FALSE; /** + * Block caching: + * + * Block caching may not be compatible with node access modules depending on + * how the original block cache policy is defined by the module that provides + * the block. By default, Drupal therefore disables block caching when one or + * more modules implement hook_node_grants(). If you consider block caching to + * be safe on your site and want to bypass this restriction, uncomment the line + * below. + */ +# $conf['block_cache_bypass_node_grants'] = TRUE; + +/** * String overrides: * * To override specific strings on your site with or without enabling the Locale |