/** * Erases Minify legacy directives * * @param string $data * @return string */ function erase_rules_legacy($data) { $data = w3_erase_rules($data, W3TC_MARKER_BEGIN_MINIFY_LEGACY, W3TC_MARKER_END_MINIFY_LEGACY); return $data; }
/** * Erases no404wp rules * * @param string $data * @return string */ function erase_rules_no404wp($data) { $data = w3_erase_rules($data, W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP, W3TC_MARKER_END_BROWSERCACHE_NO404WP); return $data; }
/** * Writes directives to WP .htaccess * * @param W3_Config $config * @param SelfTestExceptions $exs * @throws FilesystemOperationException with S/FTP form if it can't get the required filesystem credentials * @throws FileOperationException */ private function rules_core_add($config, $exs) { $path = w3_get_pgcache_rules_core_path(); if ($path === false) { return; } $original_data = @file_get_contents($path); if ($original_data === false) { $original_data = ''; } $data = $original_data; $new_data = w3_erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_LEGACY, W3TC_MARKER_END_PGCACHE_LEGACY); $has_legacy = strlen($new_data) < strlen($data); $data = $new_data; $new_data = w3_erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC); $has_wpsc = strlen($new_data) < strlen($data); $data = $new_data; $rules = $this->rules_core_generate($config); $rules_missing = strstr(w3_clean_rules($data), w3_clean_rules($rules)) === false; if (!$has_legacy && !$has_wpsc && !$rules_missing) { return; } // modification of file not required $replace_start = strpos($data, W3TC_MARKER_BEGIN_PGCACHE_CORE); $replace_end = strpos($data, W3TC_MARKER_END_PGCACHE_CORE); if ($replace_start !== false && $replace_end !== false && $replace_start < $replace_end) { $replace_length = $replace_end - $replace_start + strlen(W3TC_MARKER_END_PGCACHE_CORE) + 1; } else { $replace_start = false; $replace_length = 0; $search = array(W3TC_MARKER_BEGIN_BROWSERCACHE_NO404WP => 0, W3TC_MARKER_BEGIN_WORDPRESS => 0, W3TC_MARKER_END_MINIFY_CORE => strlen(W3TC_MARKER_END_MINIFY_CORE) + 1, W3TC_MARKER_END_BROWSERCACHE_CACHE => strlen(W3TC_MARKER_END_BROWSERCACHE_CACHE) + 1, W3TC_MARKER_END_PGCACHE_CACHE => strlen(W3TC_MARKER_END_PGCACHE_CACHE) + 1, W3TC_MARKER_END_MINIFY_CACHE => strlen(W3TC_MARKER_END_MINIFY_CACHE) + 1); foreach ($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 . $rules); } try { w3_wp_write_to_file($path, $data); } catch (FilesystemOperationException $ex) { if ($has_legacy) { $exs->push(new FilesystemModifyException($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, W3TC_MARKER_BEGIN_PGCACHE_LEGACY, W3TC_MARKER_END_PGCACHE_LEGACY), $path)); } if ($has_wpsc) { $exs->push(new FilesystemModifyException($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, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC), $path)); } if ($rules_missing) { 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-cache'), $path, W3TC_MARKER_BEGIN_PGCACHE_CORE, W3TC_MARKER_END_PGCACHE_CORE), $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:'), $path), $path, $rules)); } } } }
/** * Erases WP Super Cache rules directives * * @param string $data * @return string */ function erase_rules_wpsc($data) { $data = w3_erase_rules($data, W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC); return $data; }
/** * Erases cache rules * * @param string $data * @return string */ function erase_rules($data) { $data = w3_erase_rules($data, W3TC_MARKER_BEGIN_CDN, W3TC_MARKER_END_CDN); return $data; }
/** * @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)); } }
/** * Erases Minify core directives * * @param string $data * @return string */ function erase_rules_core($data) { $data = w3_erase_rules($data, W3TC_MARKER_BEGIN_NEW_RELIC_CORE, W3TC_MARKER_END_NEW_RELIC_CORE); return $data; }