mirror of https://github.com/dnomd343/tgbot
Dnomd343
3 years ago
3 changed files with 175 additions and 14 deletions
@ -0,0 +1,169 @@ |
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<?php |
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|
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class tgDC { |
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const redisSetting = array( // redis缓存配置 |
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'host' => '127.0.0.1', |
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'port' => 6379, |
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'passwd' => '', |
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'prefix' => 'tgdc-' |
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); |
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|
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private function getDcDetail($dc) { // 获取DC信息 |
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switch ($dc) { |
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case 'DC1': |
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return array( |
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'as' => 'AS59930', |
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'ip' => '149.154.175.0/24', |
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'addr' => '美国佛罗里达州迈阿密' |
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); |
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case 'DC2': |
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case 'DC3': |
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case 'DC4': |
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return array( |
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'as' => 'AS62041', |
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'ip' => '149.154.160.0/21', |
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'addr' => '荷兰阿姆斯特丹' |
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); |
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case 'DC5': |
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return array( |
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'as' => 'AS62014', |
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'ip' => '149.154.168.0/22', |
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'addr' => '新加坡' |
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); |
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default: |
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return array(); |
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} |
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} |
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|
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private function curl($url) { // curl模拟 5s超时 |
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$curl = curl_init(); |
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curl_setopt($curl, CURLOPT_URL, $url); |
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); |
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curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 5); |
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$content = curl_exec($curl); |
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curl_close($curl); |
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return $content; |
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} |
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|
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private function getRedisData($account) { // 查询Redis缓存,不存在返回NULL |
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$redis = new Redis(); |
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$redis->connect(tgDC::redisSetting['host'], tgDC::redisSetting['port']); |
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if (tgDC::redisSetting['passwd'] != '') { |
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$redis->auth(tgDC::redisSetting['passwd']); |
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} |
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$redisKey = tgDC::redisSetting['prefix'] . $account; |
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$redisValue = $redis->exists($redisKey) ? $redis->get($redisKey) : NULL; |
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return $redisValue; |
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} |
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|
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private function setRedisData($account, $data, $cacheTTL = 600000) { // 写入信息到Redis缓存 |
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$redis = new Redis(); |
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$redis->connect(tgDC::redisSetting['host'], tgDC::redisSetting['port']); |
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if (tgDC::redisSetting['passwd'] != '') { |
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$redis->auth(tgDC::redisSetting['passwd']); |
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} |
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$redisKey = tgDC::redisSetting['prefix'] . $account; |
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$redis->set($redisKey, $data); // 写入数据库 |
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$redis->pexpire($redisKey, $cacheTTL); // 设置过期时间 默认十分钟 |
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} |
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|
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private function checkAccount($account) { // 检查用户名是否合法 |
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preg_match('/^[a-zA-Z0-9_]+$/', $account, $match); |
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if (count($match) === 0 or strlen($account) < 5) { // 用户名由至少5位 0-9/a-z/A-Z/_ 组成 |
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return false; |
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} |
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if (substr($account, 0, 1) === '_' || substr($account, -1) === '_') { // 不能以_开头结尾 |
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return false; |
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} |
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return true; |
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} |
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|
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private function getTgUserInfo($account) { // 获取Telegram用户信息 |
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$info['account'] = $account; |
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$info['name'] = null; |
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$info['dc'] = null; |
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|
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$html = $this->curl('https://t.me/' . $account); // 获取原始HTML数据 |
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$html = preg_replace('/[\t\n\r]+/', '', $html); // 去除干扰 |
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if (!is_string($html) || $html == '') { return $info; } // 用户名无效 |
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|
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$avatarRegex = '/<img class="tgme_page_photo_image" src="([^<>]+)">/'; |
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$nameRegex = '/<span dir="auto">(.+?)<\/span>/'; |
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preg_match_all($avatarRegex, $html, $avatarMatch); // 匹配目标头像 |
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preg_match_all($nameRegex, $html, $nameMatch); // 匹配目标名称 |
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|
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if ($nameMatch[1]) { |
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$info['name'] = $nameMatch[1][0]; // 获取用户名 |
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} |
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if ($avatarMatch[1]) { |
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$avatarUrl = $avatarMatch[1][0]; // 获取头像链接 |
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} |
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if ($avatarUrl) { // 头像存在 |
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$dcRegex = '/https:\/\/cdn(.+)\.telesco\.pe\//'; |
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preg_match_all($dcRegex, $avatarUrl, $dcMatch); // 根据cdn?.telesco.pe获取DC |
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if ($dcMatch[1]) { |
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$info['dc'] = 'DC' . $dcMatch[1][0]; |
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} |
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} |
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if ($info['dc']) { |
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$info += $this->getDcDetail($info['dc']); // 匹配DC参数 |
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} |
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return $info; |
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} |
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|
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private function getUserInfo($account) { // 获取用户信息,带缓存 |
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$info = $this->getRedisData($account); // 查询缓存数据 |
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if (!$info) { // 缓存未命中 |
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$info = $this->getTgUserInfo($account); // 发起查询 |
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if (!$info['name'] && !$info['dc']) { // 用户名与头像均无 |
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$cacheTTL = 120000; // 缓存2min |
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} else if ($info['name'] && !$info['dc']) { // 存在用户名但未设置头像 |
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$cacheTTL = 20000; // 缓存20s |
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} else { |
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$cacheTTL = 600000; // 其余情况缓存10min |
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} |
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$this->setRedisData($account, json_encode($info), $cacheTTL); // 缓存数据 |
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} else { // 缓存命中 |
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$info = json_decode($info, true); // 使用缓存数据 |
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} |
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return $info; |
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} |
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|
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public function getInfo($account) { // 外部调用入口 |
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if (substr($account, 0, 1) === '@') { // 用户名前可带有@ |
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$account = substr($account, 1); |
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} |
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if (!$this->checkAccount($account)) { // 用户名不合法 |
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return array( |
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'text' => '用户名无效' |
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); |
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} |
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$info = $this->getUserInfo($account); |
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if (!$info['name'] && !$info['dc']) { // 用户名与头像均无 |
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return array( |
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'text' => '@' . $info['account'] . ' 无法识别' |
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); |
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} else if ($info['name'] && !$info['dc']) { // 存在用户名但未设置头像 |
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return array( |
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'text' => '@' . $info['account'] . ' 未设置头像或不可见' |
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); |
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} |
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$msg = '@' . $info['account'] . ' (' . $info['name'] . ')' . PHP_EOL; |
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$msg .= '<i>' . $info['as'] . '</i> <code>(' . $info['ip'] . ')</code>' . PHP_EOL; |
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$msg .= '<b>' . $info['dc'] . '</b> - ' . $info['addr'] . PHP_EOL; |
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return array( |
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'parse_mode' => 'HTML', // HTML格式输出 |
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'text' => $msg |
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); |
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} |
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} |
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|
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function tgDC($rawParam) { // DC查询入口 |
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global $chatId, $userAccount; |
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if ($rawParam === '') { |
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$rawParam = $userAccount; |
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} |
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sendMessage($chatId, (new tgDC)->getInfo($rawParam)); |
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} |
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|
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?> |
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