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Editing: trait-webhooks.php
<?php namespace Login_With_AJAX\Transports\Traits; use \Login_With_AJAX\Transports\Transport; /** * Base class for sercices such as WhatsApp, Telegram, Twillio etc. which have shared traits such as receiving generic commands, handling webhooks etc. * * @property string $method; // Static Property * */ trait Webhooks { use Recipient; public static function init() { /** @noinspection PhpUnhandledExceptionInspection */ static::init_webhooks(); } /** * @return void * @throws \Exception */ public static function init_webhooks() { if( !is_subclass_of(static::class, '\Login_With_AJAX\Transports\Transport') ) { throw new \Exception('Class '. static::class .' must be subclass of \Login_With_AJAX\Transports\Transport to use \Login_With_AJAX\Transports\Traits\Webhooks'); } if( static::get_webhook_url_endpoint() ) { add_action( 'rest_api_init', array( static::class, 'register_webhook' ) ); } } /** * If susccesful an array of message ids should be returned. * * @return array|\WP_Error */ public static function send( $recipient, $message, $data = array() ) { return new \WP_Error('Send method not implemented for '. static::class); } /** * Allows custom webhook endpoints for classes using this trait, such as Twilio, which wants to use one endpoint for SMS and WhatsApp * * Method can be overriden to provide false value to deactivate webhooks, or a common webhook endpoint for services that allow multiple transports (e.g. Twilio SMS and WhatsApp) * * @return string */ public static function get_webhook_url_endpoint() { return static::$method; } /** * Allows custom hook prefixes/names for classes using this trait, for example Twilio prefixes sms and whatsapp hooks with twilio_ to avoid clashes with other services such as direct WhatsApp integration. * @return mixed */ public static function get_hook_method() { return static::$method; } public static function register_webhook() { // capture of payments API $route = array( 'methods' => 'GET,POST', 'callback' => array( static::class, 'handle_webhook' ), 'permission_callback' => '__return_true', // 5.5. compat ); register_rest_route( 'login-with-ajax/v1/'. static::get_webhook_url_endpoint() , 'webhook', $route ); } public static function get_webhook_url() { return get_rest_url( get_current_blog_id(), 'login-with-ajax/v1/'. static::get_webhook_url_endpoint() .'/webhook' ); } public static function get_webhook_commands() { return array( 'authorize' => array( 'Authorize', esc_html__('Authorize', 'login-with-ajax-pro'), 'Yes', esc_html__('Yes'), ), 'accept' => array( 'Accept', esc_html__('Accept', 'login-with-ajax-pro'), 'Yes', esc_html__('Yes'), ), 'decline' => array( 'Decline', esc_html__('Decline', 'login-with-ajax-pro'), 'Reject', esc_html__('Reject', 'login-with-ajax-pro'), 'Cancel', esc_html__('Cancel'), 'No', esc_html__('No'), ), 'verify' => array( 'Verify', esc_html__('Verify', 'login-with-ajax-pro'), 'Accept', esc_html__('Accept', 'login-with-ajax-pro') ), 'disconnect' => array( 'Disconnect', esc_html__('Disconnect', 'login-with-ajax-pro'), 'Decline', esc_html__('Decline', 'login-with-ajax-pro'), ) ); } /** * Any transport will want to override this, since each payload is different for each service. * * @param array|object $payload Payload from webhook * @param bool $text Whether to accept text replies as a command as well as button payloads * * @return string */ public static function get_webhook_command( $payload, $text = false ) { return ''; } /** * Returns the recipient of the webhook, i.e. the phone number, username, etc. of the user on this site * @param $payload * * @return mixed */ abstract public static function get_webhook_sender( $payload ); public static function validate_webhook_signature( $header_signature, $payload ) { $credentials = static::get_credentials(); $expected_signature = hash_hmac('sha256', $payload, $credentials['app_secret']); return hash_equals($header_signature, 'sha256='.$expected_signature); } /** * Check if supplied command is an accepted webhook command string for the given command context. * * @param string $context Type of command we are checking for, e.g. 'approve', 'decline', 'verify', 'disconnect' * @param string $command Command string to check against type of command * * @return bool */ public static function is_webhook_command ( $context, $command ) { if ( $context ) { // check if command is a straight key check (e.g. 'approve') if ( $command == $context ) { return true; } // get possible commands and see if context is in it $commands = self::get_webhook_commands(); if ( !empty( $commands[ $context ] ) ) { return in_array( $command, $commands[ $context ] ); } } return false; } public static function get_webhook_responses( $user = null ) { $responses_option = get_option('lwa_transport_responses', array()); $defaults = static::get_default_templates( $user ); if( !empty($responses_option[static::$method]) ) { $responses = array_merge( $responses_option[static::$method], $defaults ); } else { $responses = $defaults; } return $responses; } public static function parse_message( $message, $user = null ) { if( $user === null ) { $user = wp_get_current_user(); } // get a text message and replace placeholders in the format of %PLACEHOLDER{1}%, then return an associative array containing the placeholders replaced in a 'message' key and an array of the placeholders, ordered by the number in curly brackets within the placeholders, or order found in a 'placeholders' key $return = array( 'message_original' => $message, // original message, e.g. 'Your code is %CODE% 'message_templated' => $message, // templated message, e.g. 'Your code is {1}' 'message' => $message, // message completely parsed and ready to send as-is, e.g. 'Your code is 123456' 'placheolders' => array(), // array of placeholders, e.g. array( 1 => '123456' ) ); $message = preg_match_all('/%([A-Z0-9_]({([0-9]+)})?)%/', $message, $placeholders); foreach( $placeholders[1] as $k => $placeholder_full ) { // we know we have a placeholder, so we determine the type and order (if applicable) and then add it to placeholders $placeholder = $placeholders[2][$k]; $placeholder_order = (int) $placeholders[3][$k]; $pos = strpos($return['message_templated'], $placeholder_full); if ($pos !== false) { $return['message_templated'] = substr_replace($return['message_templated'], $placeholders[2][$k], $pos, strlen($placeholder_full)); } $return['placheolders'][$placeholder_order] = $placeholder; // convert $return['message'] = str_replace( $placeholder_full, $placeholders[2][$k], $message ); } } public static function parse_message_placeholder( $placeholder, $user = null ) { if( $user === null ) { $user = wp_get_current_user(); } //WPML global redirect $lang = !empty($_REQUEST['lang']) ? sanitize_text_field($_REQUEST['lang']): get_locale(); $redirect = str_replace('%USERNAME%', $user->user_login, $redirect); $redirect = str_replace('%USERNICENAME%', $user->user_nicename, $redirect); $redirect = str_replace("%LANG%", $lang.'/', $redirect); } }
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