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<?php |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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|
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/** |
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* Validate a wpLingua API key |
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* |
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* @param string $api_key |
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* @return bool |
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*/ |
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function wplng_is_valid_api_key_format( $api_key ) { |
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|
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$regex = '/^[a-zA-Z0-9]{42}$/s'; |
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|
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if ( |
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empty( $api_key ) |
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|| ! is_string( $api_key ) |
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|| false === preg_match( $regex, $api_key ) |
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) { |
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return false; |
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} |
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|
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return true; |
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} |
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|
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|
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/** |
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* Get the wpLingua registered API key |
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* |
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* @return string |
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*/ |
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function wplng_get_api_key() { |
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|
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$api_key = trim( get_option( 'wplng_api_key' ) ); |
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|
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if ( ! wplng_is_valid_api_key_format( $api_key ) ) { |
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$api_key = ''; |
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} |
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|
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return $api_key; |
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} |
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|
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|
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/** |
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* Get wpLingua API key data |
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* - Website language (id or 'all') |
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* - Target language(s) (array) |
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* - Enabled features |
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* |
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* @return array |
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*/ |
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function wplng_get_api_data( $try_update_from_api = false ) { |
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|
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global $wplng_api_data; |
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|
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if ( $wplng_api_data !== null && $try_update_from_api === false ) { |
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return $wplng_api_data; |
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} |
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|
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if ( empty( wplng_get_api_key() ) ) { |
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return array(); |
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} |
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|
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/** |
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* Get data from cache or API |
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*/ |
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|
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$data_checked = array(); |
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$data = array(); |
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$data_from_cache = get_option( 'wplng_api_key_data' ); |
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|
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if ( ! empty( $data_from_cache ) ) { |
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$data_from_cache = json_decode( $data_from_cache, true ); |
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if ( ! is_array( $data_from_cache ) ) { |
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$data_from_cache = array(); |
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} |
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} |
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|
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if ( empty( $data_from_cache ) ) { |
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|
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/** |
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* No data in cache |
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*/ |
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|
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// Try to get update from API |
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$data = wplng_api_call_validate_api_key(); |
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|
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// If no data in cache and no data from API, return empty array |
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if ( empty( $data ) ) { |
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return array(); |
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} |
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|
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$data['time'] = time(); |
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|
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} else { |
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|
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/** |
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* Data is in cache |
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*/ |
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|
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$data = $data_from_cache; |
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|
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// Time of last update is not define, set is as current time |
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if ( empty( $data['time'] ) |
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|| ! is_int( $data['time'] ) |
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) { |
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$data['time'] = time(); |
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} |
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|
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// Time of last update older than 8 hours |
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// Or $try_update_from_api is true |
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// Try to get update from API |
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if ( ( $data['time'] + ( 8 * HOUR_IN_SECONDS ) ) <= time() |
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|| $try_update_from_api === true |
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) { |
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|
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$data_from_api = wplng_api_call_validate_api_key(); |
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|
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if ( ! empty( $data_from_api ) ) { |
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$data = $data_from_api; |
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$data['time'] = time(); |
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} |
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} |
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} |
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|
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/** |
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* Check the API key data |
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*/ |
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|
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if ( ! empty( $data['language_original'] ) |
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&& ( |
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wplng_is_valid_language_id( $data['language_original'] ) |
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|| 'all' === $data['language_original'] |
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) |
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&& ! empty( $data['languages_target'] ) |
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&& wplng_is_valid_language_ids( $data['languages_target'] ) |
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&& isset( $data['features'] ) |
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&& is_array( $data['features'] ) |
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&& ! empty( $data['status'] ) |
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&& ! empty( $data['time'] ) |
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&& is_int( $data['time'] ) |
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) { |
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|
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/** |
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* Sanitize languages target |
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*/ |
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|
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$languages_target = array(); |
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|
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foreach ( $data['languages_target'] as $id ) { |
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|
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if ( ! wplng_is_valid_language_id( $id ) ) { |
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continue; |
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} |
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|
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$languages_target[] = sanitize_key( $id ); |
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} |
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|
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/** |
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* Sanitize features list |
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*/ |
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|
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$features = array(); |
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|
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foreach ( $data['features'] as $key => $allow ) { |
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|
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if ( ! is_string( $key ) || ! is_bool( $allow ) ) { |
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continue; |
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} |
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|
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$key = sanitize_key( $key ); |
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$allow = ( true === $allow ); |
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|
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$features[ $key ] = $allow; |
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} |
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|
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/** |
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* Sanitize status |
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*/ |
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|
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$status = 'FREE'; |
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|
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if ( 'PREMIUM' === $data['status'] |
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|| 'VIP' === $data['status'] |
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) { |
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$status = $data['status']; |
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} |
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|
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/** |
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* Make the checked response |
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*/ |
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|
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$data_checked = array( |
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'language_original' => sanitize_key( $data['language_original'] ), |
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'languages_target' => $languages_target, |
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'features' => $features, |
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'status' => $status, |
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'time' => $data['time'], |
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); |
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|
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/** |
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* Add expiration |
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*/ |
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|
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if ( ! empty( $data['expiration'] ) |
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&& is_string( $data['expiration'] ) |
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) { |
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$data_checked['expiration'] = $data['expiration']; |
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} |
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} |
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|
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// Set data in DB cache (option) |
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if ( ! empty( $data_checked ) |
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&& $data_checked !== $data_from_cache |
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) { |
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update_option( |
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'wplng_api_key_data', |
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wp_json_encode( $data_checked ), |
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true |
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); |
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|
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wp_cache_flush(); |
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} |
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|
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// Set data for global variable |
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$wplng_api_data = $data_checked; |
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|
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return $data_checked; |
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} |
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|
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|
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/** |
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* Get website language from wpLingua API data |
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* |
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* @return string Language ID, 'all' or '' |
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*/ |
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function wplng_get_api_language_website() { |
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|
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$data = wplng_get_api_data(); |
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|
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if ( |
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! empty( $data['language_original'] ) |
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&& ( |
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wplng_is_valid_language_id( $data['language_original'] ) |
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|| 'all' === $data['language_original'] |
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) |
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) { |
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return $data['language_original']; |
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} |
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|
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return ''; |
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} |
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|
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|
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/** |
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* Get target languages from wpLingua API data |
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* |
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* @return mixed Language IDs array, 'all' or false |
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*/ |
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function wplng_get_api_languages_target() { |
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|
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$data = wplng_get_api_data(); |
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|
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if ( empty( $data['languages_target'] ) ) { |
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return false; |
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} elseif ( 'all' === $data['languages_target'] ) { |
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return 'all'; |
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} elseif ( is_array( $data['languages_target'] ) ) { |
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|
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$all_languages = wplng_get_languages_all(); |
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$languages_id_ordered = array(); |
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|
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foreach ( $all_languages as $language ) { |
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foreach ( $data['languages_target'] as $language_id ) { |
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|
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if ( |
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! wplng_is_valid_language_id( $language_id ) |
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|| empty( $language['id'] ) |
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|| $language['id'] !== $language_id |
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) { |
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continue; |
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} |
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|
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$languages_id_ordered[] = $language_id; |
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break; |
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|
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} |
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} |
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|
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return $languages_id_ordered; |
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} |
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|
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return false; |
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} |
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|
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|
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/** |
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* Get enabled features from wpLingua API data |
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* ('search', 'commercial', 'detection') |
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* |
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* @return array |
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*/ |
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function wplng_get_api_feature() { |
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|
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$data = wplng_get_api_data(); |
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$all = array( 'search', 'commercial', 'detection' ); |
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$features = array(); |
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|
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if ( ! empty( $data['features'] ) && is_array( $data['features'] ) ) { |
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foreach ( $data['features'] as $feature_name => $feature_allow ) { |
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if ( $feature_allow && in_array( $feature_name, $all ) ) { |
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$features[] = $feature_name; |
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} |
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} |
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} |
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|
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return $features; |
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} |
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|
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|
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/** |
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* Return true if the feature is enable in wpLingua API key data |
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* |
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* @param string $feature_name |
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* @return bool |
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*/ |
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function wplng_api_feature_is_allow( $feature_name ) { |
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return in_array( $feature_name, wplng_get_api_feature() ); |
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} |
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|
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|
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/** |
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* Check if the wpLingua API is overloaded |
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* |
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* This function determines whether the wpLingua API is currently overloaded |
| 340 |
* based on a stored timestamp. If the API is overloaded, it returns true. |
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* Otherwise, it clears the overloaded status and returns false. |
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* |
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* @global bool|null $wplng_api_is_overloaded Cached overloaded status |
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* @return bool True if the API is overloaded, false otherwise |
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*/ |
| 346 |
function wplng_get_api_overloaded() { |
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|
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global $wplng_api_is_overloaded; |
| 349 |
|
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// If overload is true, return directly |
| 351 |
// Else, recheck the value |
| 352 |
if ( ! empty( $wplng_api_is_overloaded ) ) { |
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return $wplng_api_is_overloaded; |
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} |
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|
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$overloaded = get_option( 'wplng_api_overloaded' ); |
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|
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if ( ! empty( $overloaded ) |
| 359 |
&& ( $overloaded + ( 2 * MINUTE_IN_SECONDS ) ) > time() |
| 360 |
) { |
| 361 |
$wplng_api_is_overloaded = true; |
| 362 |
} else { |
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$wplng_api_is_overloaded = false; |
| 364 |
delete_option( 'wplng_api_overloaded' ); |
| 365 |
} |
| 366 |
|
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return $wplng_api_is_overloaded; |
| 368 |
} |
| 369 |
|
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|
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/** |
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* Mark the wpLingua API as overloaded |
| 373 |
* |
| 374 |
* This function sets the overloaded status for the wpLingua API by updating |
| 375 |
* a timestamp in the database. If the API is already marked as overloaded, |
| 376 |
* the function does nothing. |
| 377 |
* |
| 378 |
* @global bool|null $wplng_api_is_overloaded Cached overloaded status |
| 379 |
* @return void |
| 380 |
*/ |
| 381 |
function wplng_set_api_overloaded() { |
| 382 |
|
| 383 |
if ( wplng_get_api_overloaded() ) { |
| 384 |
return; |
| 385 |
} |
| 386 |
|
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global $wplng_api_is_overloaded; |
| 388 |
$wplng_api_is_overloaded = true; |
| 389 |
|
| 390 |
update_option( |
| 391 |
'wplng_api_overloaded', |
| 392 |
time(), |
| 393 |
true |
| 394 |
); |
| 395 |
|
| 396 |
wp_cache_flush(); |
| 397 |
} |
| 398 |
|
| 399 |
|
| 400 |
/** |
| 401 |
* Clear wpLingua API key data if wpLingua key is changed |
| 402 |
* |
| 403 |
* @param string $old_value JSON |
| 404 |
* @param string $new_value JSON |
| 405 |
* @return void |
| 406 |
*/ |
| 407 |
function wplng_on_update_option_wplng_api_key( $old_value, $new_value ) { |
| 408 |
|
| 409 |
delete_option( 'wplng_api_key_data' ); |
| 410 |
delete_option( 'wplng_website_language' ); |
| 411 |
delete_option( 'wplng_website_flag' ); |
| 412 |
|
| 413 |
wplng_clear_translations_cache(); |
| 414 |
wplng_clear_slugs_cache(); |
| 415 |
} |
| 416 |
|
