mirror of https://github.com/dnomd343/echoIP
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323 lines
11 KiB
323 lines
11 KiB
<?php
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include('redis.php');
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include('qrcode.php');
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include('getInfo.php');
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function getClientIP() { // 获取客户端IP
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if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {
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return trim(explode(",", $_SERVER['HTTP_X_FORWARDED_FOR'])[0]);
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} else {
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return $_SERVER['REMOTE_ADDR'];
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}
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}
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function formatDate($str) { // 将YYYYMMDD处理为YYYY-MM-DD
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return substr($str, 0, 4) . '-' . substr($str, 4, 2) . '-' . substr($str, 6, 2);
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}
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function errorPage() { // 跳转到错误页
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header('HTTP/1.1 302 Moved Temporarily');
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header('Location: /error');
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}
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function getQrCode($str, $block) { // 用自定义字符绘制二维码
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$qrString = '';
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$qr = QRCode::getMinimumQRCode($str, QR_ERROR_CORRECT_LEVEL_L);
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for ($y = 0; $y < $qr->getModuleCount(); $y++) {
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for ($x = 0; $x < $qr->getModuleCount(); $x++) {
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$qrString .= ($qr->isDark($y, $x) ? $block : ' ');
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}
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$qrString .= PHP_EOL;
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}
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return $qrString;
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}
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function getQrCodeUtf($str) { // 用特殊Unicode编码绘制二维码
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$qr = QRCode::getMinimumQRCode($str, QR_ERROR_CORRECT_LEVEL_L);
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$length = $qr->getModuleCount();
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for ($y = 0; $y < $length; $y++) {
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for ($x = 0; $x < $length; $x++) {
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$table[$y][$x] = $qr->isDark($y, $x);
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}
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if ($length % 2) {
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$table[$y][$length] = false; // 宽度扩充为偶数
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}
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}
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if ($length % 2) { // 若二维码边长为奇数
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for ($i = 0; $i <= $length; $i++) {
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$table[$length][$i] = false; // 高度扩充为偶数
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}
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$length++;
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}
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for ($y = 0; $y < $length; $y += 2) { // 每次输出两行
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for ($x = 0; $x < $length; $x++) {
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if ($table[$y][$x] && $table[$y + 1][$x]) { // 分四种情况输出上下两格
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echo '█';
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} else if ($table[$y][$x] && !$table[$y + 1][$x]) {
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echo '▀';
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} else if (!$table[$y][$x] && $table[$y + 1][$x]) {
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echo '▄';
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} else {
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echo ' ';
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}
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}
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echo PHP_EOL;
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}
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}
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function preRount() { // 解析请求路径
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global $request;
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$requestUri = $_SERVER['DOCUMENT_URI']; // 获取不带参数的请求路径
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if ($_GET['cli'] == 'true') { // 识别nginx附带的cli参数
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$request['cli'] = true;
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}
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if ($requestUri == '/' || $requestUri == '/ip') { // URI -> / or /ip
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$request['justip'] = true;
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return;
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} else if ($requestUri == '/help') { // URI -> /help
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$request['help'] = true;
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return;
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} else if ($requestUri == '/version') { // URI -> /version
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$request['version'] = true;
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return;
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} else if ($requestUri == '/qr') { // URI -> /qr
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$request['qr'] = true;
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return;
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} else if ($requestUri == '/qr/') { // URI -> /qr/
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$request['qr'] = true;
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$request['qr_fill'] = '██';
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return;
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} else if ($requestUri == '/info' || $requestUri == '/info/') { // URI -> /info or /info/
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$request['ip'] = getClientIP();
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return;
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} else if ($requestUri == '/info/gbk') { // URI -> /info/gbk
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$request['ip'] = getClientIP();
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$request['gbk'] = true;
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return;
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} else if ($requestUri == '/query') { // URI -> /query?xxx=xxx
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if ($_GET['error'] == 'true') { $request['error'] = true; }
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if ($_GET['version'] == 'true') { $request['version'] = true; }
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if ($_GET['help'] == 'true') { $request['help'] = true; }
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if ($_GET['gbk'] == 'true') { $request['gbk'] = true; }
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if ($_GET['qr'] == 'true') { $request['qr'] = true; }
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if ($_GET['justip'] == 'true') { $request['justip'] = true; }
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if (isset($_GET['ip'])) { $request['ip'] = $_GET['ip']; }
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return;
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}
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preg_match('#^/qr/([^/]{2})$#', $requestUri, $match); // URI -> /qr/{qr_fill}
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if (count($match) > 0) {
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$request['qr'] = true;
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$request['qr_fill'] = $match[1];
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return;
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}
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preg_match('#^/([^/]+?)$#', $requestUri, $match); // URI -> /{ip}
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if (count($match) > 0) {
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if ($request['cli']) { // 命令行模式
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$request['ip'] = $match[1];
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} else {
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$request['error'] = true;
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}
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return;
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}
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preg_match('#^/([^/]+?)/gbk$#', $requestUri, $match); // URI -> /{ip}/gbk
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if (count($match) > 0) {
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$request['ip'] = $match[1];
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$request['gbk'] = true;
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return;
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}
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preg_match('#^/info/([^/]+?)$#', $requestUri, $match); // URI -> /info/{ip}
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if (count($match) > 0) {
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$request['ip'] = $match[1];
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return;
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}
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preg_match('#^/info/([^/]+?)/gbk$#', $requestUri, $match); // URI -> /info/{ip}/gbk
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if (count($match) > 0) {
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$request['ip'] = $match[1];
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$request['gbk'] = true;
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return;
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}
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$request['error'] = true; // 未匹配到请求路径
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}
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function getInfo($ip) { // 获取并格式化IP数据
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global $request;
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global $redisSetting;
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if ($redisSetting['enable']) { // 启用Redis缓存
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$info = getRedisData($ip); // 查询缓存数据
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if ($info == NULL) { // 缓存未命中
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$info = getIPInfo($ip); // 发起查询
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setRedisData($ip, json_encode($info)); // 缓存数据
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} else { // 缓存命中
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$info = json_decode($info, true); // 使用缓存数据
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}
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} else { // 未启用Redis缓存
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$info = getIPInfo($ip);
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}
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if ($request['cli']) { // 使用命令行模式
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$cli = "IP: " . $info['ip'] . PHP_EOL;
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if ($info['as'] != NULL) { $cli .= "AS: " . $info['as'] . PHP_EOL; }
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if ($info['city'] != NULL) { $cli .= "City: " . $info['city'] . PHP_EOL; }
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if ($info['region'] != NULL) { $cli .= "Region: " . $info['region'] . PHP_EOL; }
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if ($info['country'] != NULL) { $cli .= "Country: " . $info['country'] . PHP_EOL; }
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if ($info['timezone'] != NULL) { $cli .= "Timezone: " . $info['timezone'] . PHP_EOL; }
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if ($info['loc'] != NULL) { $cli .= "Location: " . $info['loc'] . PHP_EOL; }
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if ($info['isp'] != NULL) { $cli .= "ISP: " . $info['isp'] . PHP_EOL; }
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if ($info['scope'] != NULL) { $cli .= "Scope: " . $info['scope'] . PHP_EOL; }
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if ($info['detail'] != NULL) { $cli .= "Detail: " . $info['detail'] . PHP_EOL; }
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return $cli;
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}
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$info['status'] = 'T';
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header('Content-Type: application/json; charset=utf-8'); // 以JSON格式发送
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return json_encode($info);
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}
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function routeParam() {
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// error -> 请求出错
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// version -> 获取版本数据
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// help -> 显示帮助信息
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// cli -> 来自命令行下的请求
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// gbk -> 返回数据使用GBK编码
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// qr -> 生成二维码
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// qr_fill -> 二维码填充符号
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// justip -> 仅查询IP地址
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// ip -> 请求指定IP的数据
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global $request;
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global $webUri;
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global $helpContent;
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if ($request['error']) { // 请求出错
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if ($request['cli']) { // 命令行模式
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echo 'Illegal Request' . PHP_EOL;
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} else {
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errorPage();
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}
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exit; // 退出
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}
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if ($request['help']) { // 显示帮助信息
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if ($request['cli']) {
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echo $helpContent;
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} else {
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errorPage(); // 网页模式不输出
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}
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exit;
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}
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if ($request['version']) { // 请求版本信息
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$version = getVersion();
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if ($request['cli']) { // 命令行模式
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echo "echoip -> " . $version['echoip'] . PHP_EOL;
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echo "qqwry.dat -> " . formatDate($version['qqwry']) . PHP_EOL;
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echo "ipip.net -> " . formatDate($version['ipip']) . PHP_EOL;
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} else {
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode($version); // 返回JSON数据
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}
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exit; // 退出
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}
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if ($request['qr']) { // 生成二维码
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if ($request['cli']) {
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echo $webUri . '?ip=' . getClientIP() . PHP_EOL;
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if (isset($request['qr_fill'])) { // 使用字符填充生成二维码
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echo getQrCode($webUri . '?ip=' . getClientIP(), $request['qr_fill']);
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} else { // 使用特殊Unicode字符生成二维码
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echo getQrCodeUtf($webUri . '?ip=' . getClientIP());
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}
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} else {
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errorPage(); // 网页模式不输出
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}
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exit;
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}
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if ($request['justip']) { // 仅查询IP地址
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if ($request['cli']) { // 命令行模式
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echo getClientIP() . PHP_EOL;
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} else {
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header('Content-Type: application/json; charset=utf-8');
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echo '{"ip":"' . getClientIP() . '"}'; // 返回JSON数据
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}
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exit;
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}
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$ip = isset($request['ip']) ? $request['ip'] : getClientIP(); // 若存在请求信息则查询该IP
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if (!filter_var($ip, \FILTER_VALIDATE_IP)) { // 输入IP不合法
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if ($request['cli']) { // 命令行模式
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echo "Illegal Request" . PHP_EOL;
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} else {
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$reply = array(
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'status' => 'F',
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'message' => 'Illegal Request'
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);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode($reply);
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}
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exit;
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}
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$info = getInfo($ip); // 查询目标IP
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if ($request['gbk']) {
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$info = iconv('UTF-8', 'gbk', $info); // 输出为GBK编码
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}
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echo $info;
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}
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function main() {
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preRount(); // 解析请求路径
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routeParam(); // 处理请求参数
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}
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$myVersion = 'v1.4';
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$request = array(
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'error' => false,
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'version' => false,
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'help' => false,
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'cli' => false,
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'gbk' => false,
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'qr' => false,
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'justip' => false
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);
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$webSite = 'ip.343.re'; // 默认域名
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if (isset($_SERVER['HTTP_HOST'])) {
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preg_match('#^127.0.0.1#', $_SERVER['HTTP_HOST'], $match); // 排除127.0.0.1下的host
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if (count($match) == 0) {
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$webSite = $_SERVER['HTTP_HOST'];
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}
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}
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$webUri = 'http://' . $webSite . '/';
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$helpContent = PHP_EOL . 'echoIP - ' . $myVersion . ' (https://github.com/dnomd343/echoIP)' . PHP_EOL . '
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Format: http(s)://' . $webSite . '{Request_URI}
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/ or /ip -> Show client IP.
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/info or /info/ -> Show detail of client IP.
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/{ip} or /info/{ip} -> Show detail of {ip}.
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/info/gbk -> Show detail of client IP (use GBK encoding).
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/{ip}/gbk or /info/{ip}/gbk -> Show detail of {ip} (use GBK encoding).
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/qr -> Show QR code of client IP (use special unicode characters).
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/qr/ -> Show QR code of client IP (use full characters).
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/qr/{xx} -> Show QR code of client IP (Use two custom characters).
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/help -> Show help message.
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/ua -> Show http user-agent of client.
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/version -> Show version of echoIP and IP database.
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/query?xxx=xxx&xxx=xxx
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|-> error=true: Show error request.
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|-> version=true: Show version of echoIP and IP database.
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|-> help=true: Show help message.
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|-> gbk=true: Use GBK encoding.
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|-> qr=true: Show QR code of client IP.
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|-> justip=true: Only query the client IP.
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|-> ip={ip}: Query of specified IP.
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';
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main();
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?>
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