/** * @throws FilesystemWriteException * @throws FilesystemWriteException */ public function create() { $path = trim(w3_get_wp_sitepath(), "/"); if ($path) { $path .= '/'; } $file_data = "\n<?php\n if (W3TC_WP_LOADING)\n require_once '" . w3_get_document_root() . '/' . $path . "wp-load.php';\n"; $filename = W3TC_WP_LOADER; $data = $file_data; w3_require_once(W3TC_INC_DIR . '/functions/rule.php'); $current_data = @file_get_contents($filename); if (strstr(w3_clean_rules($current_data), w3_clean_rules($data)) !== false) { return; } w3_require_once(W3TC_INC_DIR . '/functions/activation.php'); w3_wp_write_to_file($filename, $data, '', $_SERVER['REQUEST_URI']); }
/** * Check no404wp rules * * @return boolean */ function check_rules_no404wp() { $path = w3_get_browsercache_rules_no404wp_path(); $search = $this->generate_rules_no404wp(); return ($data = @file_get_contents($path)) && strstr(w3_clean_rules($data), w3_clean_rules($search)) !== false; }
/** * Checks if the subfolder rewrite test rules exists. * @return bool */ function check_multisite_subfolder_test_rules_cache_apache() { $path = w3_get_home_root() . '/.htaccess'; $search = $this->generate_multisite_subfolder_rewrite_test_rules_apache(); return ($data = @file_get_contents($path)) && strstr(w3_clean_rules($data), w3_clean_rules($search)) !== false; }
/** * 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)); } } } }
/** * Check if WPSC rules exists * * @return boolean */ function check_rules_wpsc() { $path = w3_get_pgcache_rules_core_path(); return ($data = @file_get_contents($path)) && w3_has_rules(w3_clean_rules($data), W3TC_MARKER_BEGIN_PGCACHE_WPSC, W3TC_MARKER_END_PGCACHE_WPSC); }
/** * Check if legacy rules exists * * @return boolean */ function check_rules_legacy() { $path = w3_get_minify_rules_core_path(); return ($data = @file_get_contents($path)) && w3_has_rules(w3_clean_rules($data), W3TC_MARKER_BEGIN_MINIFY_LEGACY, W3TC_MARKER_END_MINIFY_LEGACY); }
/** * @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); } } } }
/** * @throws TryException * @throws W3TCErrorException * @return bool */ public function try_create_wp_loader() { $file_data = $this->w3tc_loader_file_data(); $filename = $file_data['filename']; $data = $file_data['data']; w3_require_once(W3TC_INC_DIR . '/functions/rule.php'); if (($current_data = @file_get_contents($filename)) && strstr(w3_clean_rules($current_data), w3_clean_rules($data)) !== false) { return true; } $url = w3_is_network() ? network_admin_url('admin.php?page=w3tc_general') : admin_url('admin.php?page=w3tc_general'); try { w3_require_once(W3TC_INC_DIR . '/functions/activation.php'); $result = w3_wp_write_to_file($filename, $data, $url); } catch (Exception $ex) { if ($ex instanceof FilesystemCredentialException) { throw new TryException('Could not create file', array($filename), $ex->ftp_form()); } else { throw new W3TCErrorException(sprintf('<strong>W3 Total Cache Error:</strong>Could not create file <strong>%s</strong> with content: <pre>%s</pre><br />You need to do this manually.', $filename, esc_textarea($data))); } } return true; }
/** * Checks rules * * @return boolean */ function check_rules() { $path = W3TC_CACHE_FILE_MINIFY_DIR . '/.htaccess'; $search = $this->generate_rules(); return ($data = @file_get_contents($path)) && strstr(w3_clean_rules($data), w3_clean_rules($search)) !== false; }
/** * Check if core rules exists * * @return boolean */ function check_rules_has_core() { $path = w3_get_new_relic_rules_core_path(); return ($data = @file_get_contents($path)) && w3_has_rules(w3_clean_rules($data), W3TC_MARKER_BEGIN_NEW_RELIC_CORE, W3TC_MARKER_END_NEW_RELIC_CORE); }
/** * Checks WP directives * * @return boolean */ function check_rules_wp() { if (function_exists('is_site_admin')) { return true; } $path = ABSPATH . '/.htaccess'; return ($data = @file_get_contents($path)) && preg_match('~# BEGIN WordPress.*# END WordPress~s', w3_clean_rules($data)); }