Knah-Tsaeb/MyShaarli
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Add a version hash for asset loading to prevent browser's cache issue

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The hash is generated using the same salt as the one used for credentials (1 salt per instance)  in order to avoid exposing the instance version.

Fixes #965
This commit is contained in:
ArthurHoaro 2017-10-01 11:02:48 +02:00
parent a59bbf50d7
commit bfe4f536bb
4 changed files with 30 additions and 10 deletions
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15
application/ApplicationUtils.php
View file

@ -220,4 +220,19 @@ public static function checkResourcePermissions($conf)
return $errors;
}
/**
* Returns a salted hash representing the current Shaarli version.
*
* Useful for assets browser cache.
*
* @param string $currentVersion of Shaarli
* @param string $salt User personal salt, also used for the authentication
*
* @return string version hash
*/
public static function getVersionHash($currentVersion, $salt)
{
return hash_hmac('sha256', $currentVersion, $salt);
}
}

5
application/PageBuilder.php
View file

@ -76,6 +76,10 @@ private function initialize()
$this->tpl->assign('searchcrits', $searchcrits);
$this->tpl->assign('source', index_url($_SERVER));
$this->tpl->assign('version', shaarli_version);
$this->tpl->assign(
'version_hash',
ApplicationUtils::getVersionHash(SHAARLI_VERSION, $this->conf->get('credentials.salt'))
);
$this->tpl->assign('scripturl', index_url($_SERVER));
$this->tpl->assign('privateonly', !empty($_SESSION['privateonly'])); // Show only private links?
$this->tpl->assign('untaggedonly', !empty($_SESSION['untaggedonly']));
@ -89,6 +93,7 @@ private function initialize()
$this->tpl->assign('feed_type', $this->conf->get('feed.show_atom', true) !== false ? 'atom' : 'rss');
$this->tpl->assign('hide_timestamps', $this->conf->get('privacy.hide_timestamps', false));
$this->tpl->assign('token', getToken($this->conf));
if ($this->linkDB !== null) {
$this->tpl->assign('tags', $this->linkDB->linksCountPerTag());
}

14
tpl/default/includes.html
View file

@ -5,16 +5,16 @@
<link rel="alternate" type="application/atom+xml" href="{$feedurl}?do=atom{$searchcrits}#" title="ATOM Feed" />
<link rel="alternate" type="application/rss+xml" href="{$feedurl}?do=rss{$searchcrits}#" title="RSS Feed" />
<link href="img/favicon.png" rel="shortcut icon" type="image/png" />
<link type="text/css" rel="stylesheet" href="css/pure.min.css" />
<link type="text/css" rel="stylesheet" href="css/grids-responsive.min.css">
<link type="text/css" rel="stylesheet" href="css/pure-extras.css">
<link type="text/css" rel="stylesheet" href="css/font-awesome.min.css" />
<link type="text/css" rel="stylesheet" href="inc/awesomplete.css#" />
<link type="text/css" rel="stylesheet" href="css/shaarli.css" />
<link type="text/css" rel="stylesheet" href="css/pure.min.css?v={$version_hash}" />
<link type="text/css" rel="stylesheet" href="css/grids-responsive.min.css?v={$version_hash}">
<link type="text/css" rel="stylesheet" href="css/pure-extras.css?v={$version_hash}">
<link type="text/css" rel="stylesheet" href="css/font-awesome.min.css?v={$version_hash}" />
<link type="text/css" rel="stylesheet" href="inc/awesomplete.css?v={$version_hash}#" />
<link type="text/css" rel="stylesheet" href="css/shaarli.css?v={$version_hash}" />
{if="is_file('data/user.css')"}
<link type="text/css" rel="stylesheet" href="data/user.css#" />
{/if}
{loop="$plugins_includes.css_files"}
<link type="text/css" rel="stylesheet" href="{$value}#"/>
<link type="text/css" rel="stylesheet" href="{$value}?v={$version_hash}#"/>
{/loop}
<link rel="search" type="application/opensearchdescription+xml" href="?do=opensearch#" title="Shaarli search - {$shaarlititle}"/>

6
tpl/default/page.footer.html
View file

@ -27,6 +27,6 @@
<script src="{$value}#"></script>
{/loop}
<script src="js/shaarli.js"></script>
<script src="inc/awesomplete.js#"></script>
<script src="inc/awesomplete-multiple-tags.js#"></script>
<script src="js/shaarli.js?v={$version_hash}"></script>
<script src="inc/awesomplete.js?v={$version_hash}#"></script>
<script src="inc/awesomplete-multiple-tags.js?v={$version_hash}#"></script>