wpdev
d36bb954d1
Baseline before backporting wp-data-optimizer v3.0.1-v3.4.6. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TbG1keQQ7XBa7qMQY16KCY
96 lines
2.6 KiB
PHP
96 lines
2.6 KiB
PHP
<?php
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/**
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* TMDO_Telegram_Notifier — Telegram bot channel (v2.5.0 M15).
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*
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* Settings: wpdo_telegram_enabled, wpdo_telegram_bot_token,
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* wpdo_telegram_chat_id, wpdo_telegram_throttle_hours, wpdo_telegram_severity.
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*
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* Bot token is sensitive: stored as-is in wp_options for now (admin-only).
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* Future hardening: integrate TMDO_Crypto encryption (note in v2.5+).
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*
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* @package WP_Data_Optimizer
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Telegram channel.
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*/
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class TMDO_Telegram_Notifier extends TMDO_Abstract_Notifier {
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/**
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* Channel identifier used as option key prefix.
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*
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* @return string
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*/
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public static function channel_id(): string {
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return 'telegram';
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}
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/**
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* Build Telegram-specific context (bot token + chat ID).
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*
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* @return array|null Null if token or chat ID is missing or invalid.
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*/
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public static function build_context(): ?array {
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$token = class_exists( 'TMDO_Crypto' )
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? TMDO_Crypto::get_option( 'wpdo_telegram_bot_token' )
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: (string) get_option( 'wpdo_telegram_bot_token', '' );
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$chat = (string) get_option( 'wpdo_telegram_chat_id', '' );
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if ( '' === $token || '' === $chat ) {
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return null;
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}
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// Bot tokens are formatted as 123456:ABC-DEF...; minimal validation.
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if ( ! preg_match( '/^\d+:[A-Za-z0-9_\-]{20,}$/', $token ) ) {
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return null;
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}
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return array(
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'token' => $token,
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'chat_id' => $chat,
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);
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}
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/**
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* Send alert via Telegram Bot API.
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*
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* @param string $subject Alert subject / title.
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* @param string $body Alert body text.
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* @param array $context Channel context (token, chat_id).
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* @return bool True on HTTP 2xx response.
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*/
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public static function actually_send( string $subject, string $body, array $context ): bool {
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$token = (string) ( $context['token'] ?? '' );
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$chat = (string) ( $context['chat_id'] ?? '' );
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if ( '' === $token || '' === $chat ) {
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return false;
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}
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// Telegram MarkdownV2 has many escaped chars; use plain text mode for safety.
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$text = "🚨 {$subject}\n\n{$body}";
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// Telegram message limit = 4096 chars.
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$text = substr( $text, 0, 4000 );
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$url = sprintf( 'https://api.telegram.org/bot%s/sendMessage', rawurlencode( $token ) );
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$resp = wp_remote_post(
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$url,
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array(
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'headers' => array( 'Content-Type' => 'application/json' ),
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'body' => wp_json_encode(
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array(
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'chat_id' => $chat,
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'text' => $text,
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)
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),
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'timeout' => 5,
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'blocking' => true,
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)
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);
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if ( is_wp_error( $resp ) ) {
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return false;
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}
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$code = (int) wp_remote_retrieve_response_code( $resp );
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return $code >= 200 && $code < 300;
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}
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}
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