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PHP 使用 cURL 模擬人人網登入並發布動態

編輯：PHP 綜合知識

前言

人人網（已停止服務）曾是國內主流社交平台，本文以其為例示範 PHP 如何透過 cURL 模擬瀏覽器完成「登入 → 取得 Token → 發布動態」完整流程。核心技術可移植至其他需模擬登入的站點。

完整實作流程

<?php
// === 設定區 ===
$username = 'your_email@example.com';
$password = 'your_password';
$cookieFile = sys_get_temp_dir() . '/renren_cookie_' . md5($username) . '.txt';
$postContent = '這是用 PHP 發布的測試動態 ' . date('Y-m-d H:i:s');

// === 1. 登入取得 Cookie ===
$loginUrl = 'https://passport.renren.com/PLogin.do';
$loginFields = [
    'email'    => $username,
    'password' => $password,
    'origURL'  => 'https://home.renren.com/Home.do',
    'domain'   => 'renren.com',
];

$ch = curl_init($loginUrl);
curl_setopt_array($ch, [
    CURLOPT_USERAGENT      => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
    CURLOPT_HEADER         => 0,
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_FOLLOWLOCATION => 1,
    CURLOPT_AUTOREFERER    => 1,
    CURLOPT_POST           => 1,
    CURLOPT_POSTFIELDS     => $loginFields,
    CURLOPT_COOKIEJAR      => $cookieFile, // 儲存 Cookie
    CURLOPT_SSL_VERIFYPEER => false,
    CURLOPT_SSL_VERIFYHOST => false,
]);
$loginResult = curl_exec($ch);
curl_close($ch);

// 簡易判斷登入是否成功（實際需分析回應內容或重導向 URL）
if (strpos($loginResult, '登入失敗關鍵字') !== false) {
    die('登入失敗，請檢查帳密或驗證碼機制');
}

// === 2. 進入首頁攜帶 Cookie 取得發文所需 Token ===
$homeUrl = 'https://www.renren.com/home';
$ch = curl_init($homeUrl);
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_COOKIEFILE     => $cookieFile, // 讀取 Cookie
    CURLOPT_SSL_VERIFYPEER => false,
]);
$homeHtml = curl_exec($ch);
$info = curl_getinfo($ch);
curl_close($ch);

// 從重導向 URL 或頁面內容解析 token、rtk、uid
// 實際選擇器需依當時頁面結構調整
preg_match("/get_check:'([^']+)'/", $homeHtml, $mToken);
preg_match("/get_check_x:'([^']+)'/", $homeHtml, $mRtk);
preg_match("/'ruid':'([^']+)'/", $homeHtml, $mUid);

$token = $mToken[1] ?? '';
$rtk   = $mRtk[1] ?? '';
$uid   = $mUid[1] ?? '';

if (!$token || !$rtk || !$uid) {
    die('無法解析發文參數，請更新正則或檢查登入狀態');
}

// === 3. 發布動態 ===
$postUrl = "https://shell.renren.com/{$uid}/status";
$postFields = [
    'content'        => $postContent,
    'withInfo'       => '{"wpath":[]}',
    'hostid'         => $uid,
    'privacyParams'  => '{"sourceControl": 99}',
    'requestToken'   => $token,
    '_rtk'           => $rtk,
    'channel'        => 'renren',
];
$headers = [
    'Referer: https://shell.renren.com/ajaxproxy.htm',
    'X-Requested-With: XMLHttpRequest',
];

$ch = curl_init($postUrl);
curl_setopt_array($ch, [
    CURLOPT_USERAGENT      => 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
    CURLOPT_HTTPHEADER     => $headers,
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_POST           => 1,
    CURLOPT_POSTFIELDS     => $postFields,
    CURLOPT_COOKIEFILE     => $cookieFile,
    CURLOPT_SSL_VERIFYPEER => false,
]);
$postResult = curl_exec($ch);
curl_close($ch);

$response = json_decode($postResult, true);
if (($response['code'] ?? '') === '0') {
    echo "發布成功！\n";
} else {
    echo "發布失敗: " . json_encode($response, JSON_UNESCAPED_UNICODE) . "\n";
}

// === 清理 ===
@unlink($cookieFile);
?>