Viewing file:  rule.php (10.07 KB) -rw-rw-rw-
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
w3_require_once(W3TC_INC_DIR . '/functions/rule_cut.php');
define('W3TC_MARKER_BEGIN_WORDPRESS', '# BEGIN WordPress');
define('W3TC_MARKER_BEGIN_PGCACHE_CORE', '# BEGIN W3TC Page Cache core');
define('W3TC_MARKER_BEGIN_PGCACHE_CACHE', '# BEGIN W3TC Page Cache cache');
define('W3TC_MARKER_BEGIN_PGCACHE_LEGACY', '# BEGIN W3TC Page Cache');
define('W3TC_MARKER_BEGIN_PGCACHE_WPSC', '# BEGIN WPSuperCache');
define('W3TC_MARKER_BEGIN_BROWSERCACHE_CACHE', '# BEGIN W3TC Browser Cache');
define('W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP', '# BEGIN W3TC Skip 404 error handling by WordPress for static files');
define('W3TC_MARKER_BEGIN_MINIFY_CORE', '# BEGIN W3TC Minify core');
define('W3TC_MARKER_BEGIN_MINIFY_CACHE', '# BEGIN W3TC Minify cache');
define('W3TC_MARKER_BEGIN_MINIFY_LEGACY', '# BEGIN W3TC Minify');
define('W3TC_MARKER_BEGIN_CDN', '# BEGIN W3TC CDN');
define('W3TC_MARKER_BEGIN_NEW_RELIC_CORE', '# BEGIN W3TC New Relic core');
define('W3TC_MARKER_END_WORDPRESS', '# END WordPress');
define('W3TC_MARKER_END_PGCACHE_CORE', '# END W3TC Page Cache core');
define('W3TC_MARKER_END_PGCACHE_CACHE', '# END W3TC Page Cache cache');
define('W3TC_MARKER_END_PGCACHE_LEGACY', '# END W3TC Page Cache');
define('W3TC_MARKER_END_PGCACHE_WPSC', '# END WPSuperCache');
define('W3TC_MARKER_END_BROWSERCACHE_CACHE', '# END W3TC Browser Cache');
define('W3TC_MARKER_END_BROWSERCACHE_NO404WP', '# END W3TC Skip 404 error handling by WordPress for static files');
define('W3TC_MARKER_END_MINIFY_CORE', '# END W3TC Minify core');
define('W3TC_MARKER_END_MINIFY_CACHE', '# END W3TC Minify cache');
define('W3TC_MARKER_END_MINIFY_LEGACY', '# END W3TC Minify');
define('W3TC_MARKER_END_CDN', '# END W3TC CDN');
define('W3TC_MARKER_END_NEW_RELIC_CORE', '# END W3TC New Relic core');
/*
* Returns URI from filename/dirname
* Used for rules mainly since is not usable for regular URI,
* because wordpress adds blogname to uri making it uncompatible with
* directory structure
*
* @return string
*/
function w3_filename_to_uri($filename) {
$document_root = w3_get_document_root();
return substr($filename, strlen($document_root));
}
/**
* Check if WP permalink directives exists
*
* @return boolean
*/
function w3_is_permalink_rules() {
if ((w3_is_apache() || w3_is_litespeed()) && !w3_is_network()) {
$path = w3_get_home_root() . '/.htaccess';
return (($data = @file_get_contents($path)) && strstr($data, W3TC_MARKER_BEGIN_WORDPRESS) !== false);
}
return true;
}
/**
* Removes empty elements
*/
function w3_array_trim(&$a) {
for ($n = count($a) - 1; $n >= 0; $n--) {
if (empty($a[$n]))
array_splice($a, $n, 1);
}
}
/**
* Returns nginx rules path
*
* @return string
*/
function w3_get_nginx_rules_path() {
$config = w3_instance('W3_Config');
$path = $config->get_string('config.path');
if (!$path) {
$path = w3_get_document_root() . '/nginx.conf';
}
return $path;
}
/**
* Returns path of pagecache core rules file
*
* @return string
*/
function w3_get_pgcache_rules_core_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return w3_get_home_root() . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}
/**
* Returns path of browsercache cache rules file
*
* @return string
*/
function w3_get_browsercache_rules_cache_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return w3_get_home_root() . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}
/**
* Returns path of browsercache no404wp rules file
*
* @return string
*/
function w3_get_browsercache_rules_no404wp_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return w3_get_home_root() . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}
/**
* Returns path of minify rules file
*
* @return string
*/
function w3_get_minify_rules_core_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return W3TC_CACHE_MINIFY_DIR . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}
/**
* Returns path of minify rules file
*
* @return string
*/
function w3_get_minify_rules_cache_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return W3TC_CACHE_MINIFY_DIR . '/.htaccess';
case w3_is_nginx():
return w3_get_nginx_rules_path();
}
return false;
}
/**
* Returns path of CDN rules file
*
* @return string
*/
function w3_get_cdn_rules_path() {
switch (true) {
case w3_is_apache():
case w3_is_litespeed():
return '.htaccess';
case w3_is_nginx():
return 'nginx.conf';
}
return false;
}
function w3_get_new_relic_rules_core_path() {
return w3_get_pgcache_rules_core_path();
}
/**
* Returns true if we can modify rules
*
* @param string $path
* @return boolean
*/
function w3_can_modify_rules($path) {
if (w3_is_network()) {
if (w3_is_apache() || w3_is_litespeed() || w3_is_nginx()) {
switch ($path) {
case w3_get_pgcache_rules_cache_path():
case w3_get_minify_rules_core_path():
case w3_get_minify_rules_cache_path():
return true;
}
}
return false;
}
return true;
}
/**
* Trim rules
*
* @param string $rules
* @return string
*/
function w3_trim_rules($rules) {
$rules = trim($rules);
if ($rules != '') {
$rules .= "\n";
}
return $rules;
}
/**
* Cleanup rewrite rules
*
* @param string $rules
* @return string
*/
function w3_clean_rules($rules) {
$rules = preg_replace('~[\r\n]+~', "\n", $rules);
$rules = preg_replace('~^\s+~m', '', $rules);
$rules = w3_trim_rules($rules);
return $rules;
}
/**
* Erases text from start to end
*
* @param string $rules
* @param string $start
* @param string $end
* @return string
*/
function w3_erase_rules($rules, $start, $end) {
$rules = preg_replace('~' . w3_preg_quote($start) . "\n.*?" . w3_preg_quote($end) . "\n*~s", '', $rules);
$rules = w3_trim_rules($rules);
return $rules;
}
/**
* Check if rules exist
*
* @param string $rules
* @param string $start
* @param string $end
* @return int
*/
function w3_has_rules($rules, $start, $end) {
return preg_match('~' . w3_preg_quote($start) . "\n.*?" . w3_preg_quote($end) . "\n*~s", $rules);
}
/**
* @param SelfTestExceptions $exs
* @param string $path
* @param string $rules
* @param string $start
* @param string $end
* @param array $order
*/
function w3_add_rules($exs, $path, $rules, $start, $end, $order) {
$data = @file_get_contents($path);
if($data === false)
$data = '';
$rules_missing = !empty($rules) && (strstr(w3_clean_rules($data), w3_clean_rules($rules)) === false);
if (!$rules_missing)
return;
$replace_start = strpos($data, $start);
$replace_end = strpos($data, $end);
if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) {
$replace_length = $replace_end - $replace_start + strlen($end) + 1;
} else {
$replace_start = false;
$replace_length = 0;
$search = $order;
foreach ($search as $string => $length) {
$replace_start = strpos($data, $string);
if ($replace_start !== false) {
$replace_start += $length;
break;
}
}
}
if ($replace_start !== false) {
$data = w3_trim_rules(substr_replace($data, $rules, $replace_start, $replace_length));
} else {
$data = w3_trim_rules($data . $rules);
}
if (strpos($path, W3TC_CACHE_DIR) === false || w3_is_nginx()) {
try {
w3_wp_write_to_file($path, $data);
} catch (FilesystemOperationException $ex) {
if ($replace_start !== false)
$exs->push(new FilesystemModifyException(
$ex->getMessage(), $ex->credentials_form(),
sprintf(__('Edit file <strong>%s
</strong> and replace all lines between and including <strong>%s</strong> and
<strong>%s</strong> markers with:', 'w3-total-caceh'),$path, $start,$end), $path, $rules));
else
$exs->push(new FilesystemModifyException(
$ex->getMessage(), $ex->credentials_form(),
sprintf(__('Edit file <strong>%s</strong> and add the following rules
above the WordPress directives:', 'w3-total-cache'),
$path), $path, $rules));
}
} else {
if (!@file_exists(dirname($path))) {
w3_mkdir_from(dirname($path), W3TC_CACHE_DIR);
}
if (!@file_put_contents($path, $data)) {
try {
w3_wp_delete_folder(dirname($path), '',
$_SERVER['REQUEST_URI']);
} catch (FilesystemOperationException $ex) {
$exs->push($ex);
}
}
}
}
/**
* @param SelfTestExceptions $exs
* @param string $path
* @param string $start
* @param string $end
*/
function w3_remove_rules($exs, $path, $start, $end) {
if (!file_exists($path))
return;
$data = @file_get_contents($path);
if ($data === false)
return;
if (strstr($data, $start) === false)
return;
$data = w3_erase_rules($data, $start,
$end);
try {
w3_wp_write_to_file($path, $data);
} catch (FilesystemOperationException $ex) {
$exs->push(new FilesystemModifyException(
$ex->getMessage(), $ex->credentials_form(),
sprintf(__('Edit file <strong>%s</strong> and remove all lines between and including <strong>%s</strong>
and <strong>%s</strong> markers.', 'w3-total-cache'), $path, $start, $end), $path));
}
}
|