一、构思
- 从Firefox浏览器拷贝cURL命令（初始页、提交、提交后）
- 自动分析curl形成模拟登录代码
- 默认参数：ssl/302/gzip
二、实现
接口
（一）根据curl信息执行并解析结果 public function execCurl($curlContent, $callbackBefore = false, $callbackAfter = false)
（二）解析curl信息 protected function _parseCurl($curlContent)
（三）执行curl请求 protected function _execCurl
（四）获取上一次存储cookie的文件 public function getLastCookieFile()
（五）设置上一次存储cookie的文件 protected function setLastCookieFile($cookieFile)
（六）登录成功后，锁定上一次存储cookie的文件，避免覆盖 public function lockLastCookieFile()
（七）解锁上一次存储cookie的文件 public function unlockLastCookieFile()
（八）登录成功， get 方式获取url信息 public function getUrl($url, $header = false)
（九）登录成功， post 方式获取url信息 public function postUrl($url, $postData = false, $header = false)
（十）记录日志 protected function _log($msg)
<?php
namespace PhpUtility;
/**
* class CurlAutoLogin
* @author Zjmainstay
* @website http://www.zjmainstay.cn
*
* 利用curl信息自动解析实现模拟登录
*/
class CurlAutoLogin {
//最后一次cookie存储文件
protected $lastCookieFile = '';
//登录成功后，锁定cookie的更新
protected $lockedLastCookieFile = false;
/**
* 根据curl信息执行并解析结果
* @param string $curlContent 利用Firefox浏览器复制cURL命令
* @param boolean $callbackBefore 对curl结果前置处理，如更换用户名、密码等
* @param boolean $callbackAfter 对采集结果后置处理，如解析结果的csrf token等
* @return mixed
*/
public function execCurl($curlContent, $callbackBefore = false, $callbackAfter = false) {
$parseCurlResult = $this->_parseCurl($curlContent);
if(!empty($callbackBefore)) {
$parseCurlResult = $callbackBefore($parseCurlResult);
}
$execCurlResult = $this->_execCurl($parseCurlResult);
if(!empty($callbackAfter)) {
$execCurlResult = $callbackAfter($parseCurlResult, $execCurlResult);
}
return $execCurlResult;
}
/**
* 解析curl信息
* @param string $curlContent 利用Firefox浏览器复制cURL命令
* @return bool|array
*/
protected function _parseCurl($curlContent) {
if(!preg_match("#curl '([^']*?)'#is", $curlContent, $matchUrl)) {
return false;
}
//remove cookie data in header
$curlContent = preg_replace("#-H 'Cookie:[^']*'#is", '', $curlContent);
if(!preg_match_all("#-H '([^']*?)'#is", $curlContent, $headerMatches)) {
$httpHeader = [];
} else {
$httpHeader = $headerMatches[1];
}
if(!preg_match("#--data '([^']*?)'#is", $curlContent, $postDataMatch)) {
$postData = '';
} else {
$postData = $postDataMatch[1];
}
return [
'url' => $matchUrl[1],
'header' => $httpHeader,
'post' => $postData,
];
}
/**
* 执行curl请求
* @param array $parseCurlResult curl信息的解析结果，包含 url/header/post 三个键值参数
* @return string
*/
protected function _execCurl($parseCurlResult) {
if(empty($parseCurlResult['url'])) {
return '';
}
$ch = curl_init($parseCurlResult['url']);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //返回数据不直接输出
curl_setopt($ch, CURLOPT_ENCODING, "gzip"); //指定gzip压缩
//add header
if(!empty($parseCurlResult['header'])) {
$this->curl->opt[CURLOPT_HTTPHEADER] = $parseCurlResult['header'];
}
//add ssl support
if(substr($parseCurlResult['url'], 0, 5) == 'https') {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //SSL 报错时使用
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //SSL 报错时使用
}
//add 302 support
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
//add cookie support
//设置一个不存在的目录以在系统临时目录随机生成一个缓存文件，避免多进程cookie覆盖
$cookieFile = tempnam('/not_exist_dir/', 'autologin');
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookieFile); //存储提交后得到的cookie数据
//add previous curl cookie
if(!empty($this->lastCookieFile)) {
curl_setopt($ch,CURLOPT_COOKIEFILE, $this->lastCookieFile); //使用提交后得到的cookie数据
}
//add post data support
if(!empty($parseCurlResult['post'])) {
curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS, $parseCurlResult['post']);
}
try {
$content = curl_exec($ch); //执行并存储结果
} catch (\Exception $e) {
$this->_log($e->getMessage());
}
$curlError = curl_error($ch);
if(!empty($curlError)) {
$this->_log($curlError);
}
curl_close($ch);
//update last cookie file
$this->setLastCookieFile($cookieFile);
return $content;
}
/**
* 记录日志
* @param [type] $msg [description]
* @return [type] [description]
*/
protected function _log($msg) {
file_put_contents(__DIR__ . '/run.log', $msg . "\n", 8);
}
/**
* 获取上一次存储cookie的文件
* @return [type] [description]
*/
public function getLastCookieFile() {
return $this->lastCookieFile;
}
/**
* 设置上一次存储cookie的文件
* @param [type] $cookieFile [description]
*/
protected function setLastCookieFile($cookieFile) {
if(!$this->lockedLastCookieFile) {
$this->lastCookieFile = $cookieFile;
}
}
/**
* 登录成功后，锁定上一次存储cookie的文件，避免覆盖
* @return [type] [description]
*/
public function lockLastCookieFile() {
$this->lockedLastCookieFile = true;
}
/**
* 解锁上一次存储cookie的文件
* @return [type] [description]
*/
public function unlockLastCookieFile() {
$this->lockedLastCookieFile = false;
}
/**
* 登录成功， get 方式获取url信息
* @param [type] $url [description]
* @param boolean $header [description]
* @return [type] [description]
*/
public function getUrl($url, $header = false) {
$ch = curl_init($url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //返回数据不直接输出
curl_setopt($ch, CURLOPT_ENCODING, "gzip"); //指定gzip压缩
//add header
if(!empty($header)) {
$this->curl->opt[CURLOPT_HTTPHEADER] = $header;
}
//add ssl support
if(substr($url, 0, 5) == 'https') {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //SSL 报错时使用
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //SSL 报错时使用
}
//add 302 support
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch,CURLOPT_COOKIEFILE, $this->lastCookieFile); //使用提交后得到的cookie数据
try {
$content = curl_exec($ch); //执行并存储结果
} catch (\Exception $e) {
$this->_log($e->getMessage());
}
$curlError = curl_error($ch);
if(!empty($curlError)) {
$this->_log($curlError);
}
curl_close($ch);
return $content;
}
/**
* 登录成功， post 方式获取url信息
* @param [type] $url [description]
* @param boolean $postData [description]
* @param boolean $header [description]
* @return [type] [description]
*/
public function postUrl($url, $postData = false, $header = false) {
$ch = curl_init($url);
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //返回数据不直接输出
curl_setopt($ch, CURLOPT_ENCODING, "gzip"); //指定gzip压缩
//add header
if(!empty($header)) {
$this->curl->opt[CURLOPT_HTTPHEADER] = $header;
}
//add ssl support
if(substr($url, 0, 5) == 'https') {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //SSL 报错时使用
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); //SSL 报错时使用
}
//add 302 support
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch,CURLOPT_COOKIEFILE, $this->lastCookieFile); //使用提交后得到的cookie数据
//add post data support
if(!empty($postData)) {
curl_setopt($ch,CURLOPT_POST, 1);
curl_setopt($ch,CURLOPT_POSTFIELDS, $postData);
}
try {
$content = curl_exec($ch); //执行并存储结果
} catch (\Exception $e) {
$this->_log($e->getMessage());
}
$curlError = curl_error($ch);
if(!empty($curlError)) {
$this->_log($curlError);
}
curl_close($ch);
return $content;
}
}
三、演示
<?php
require_once __DIR__.'/../vendor/autoload.php';
$autologin = new PhpUtility\CurlAutoLogin();
//0. 未登录
$getDataUrl = 'http://demo.zjmainstay.cn/js/simpleAjax/loginResult.php';
echo 'Before Login: ' . $autologin->getUrl($getDataUrl) . "\n";
//1. 初始化登录页
$firstCurl = "curl 'http://demo.zjmainstay.cn/js/simpleAjax/' -H 'Host: demo.zjmainstay.cn' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:47.0) Gecko/20100101 Firefox/47.0' -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Accept-Encoding: gzip, deflate' -H 'Cookie: Hm_lvt_1526d5aecf5561ef9401f7c7b7842a97=1468327822,1468327904,1468341636,1468411918; Hm_lpvt_1526d5aecf5561ef9401f7c7b7842a97=1468421526' -H 'Connection: keep-alive' -H 'If-Modified-Since: Mon, 27 Oct 2014 08:31:18 GMT' -H 'If-None-Match: \"32e-453-506635ac5e180\"' -H 'Cache-Control: max-age=0'";
$autologin->execCurl($firstCurl);
//2. 提交登录表单
$secondCurl = "curl 'http://demo.zjmainstay.cn/js/simpleAjax/doPost.php' -H 'Host: demo.zjmainstay.cn' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:47.0) Gecko/20100101 Firefox/47.0' -H 'Accept: application/json, text/javascript, */*; q=0.01' -H 'Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3' -H 'Accept-Encoding: gzip, deflate' -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' -H 'X-Requested-With: XMLHttpRequest' -H 'Referer: http://demo.zjmainstay.cn/js/simpleAjax/' -H 'Cookie: Hm_lvt_1526d5aecf5561ef9401f7c7b7842a97=1468327822,1468327904,1468341636,1468411918; Hm_lpvt_1526d5aecf5561ef9401f7c7b7842a97=1468421526' -H 'Connection: keep-alive' --data 'username=demousername'";
$realUsername = 'Zjmainstay';
//前置处理，替换错误的用户名
$autologin->execCurl($secondCurl, function($parseCurlResult) use ($realUsername) {
$parseCurlResult['post'] = str_replace('=demousername', "={$realUsername}", $parseCurlResult['post']);
return $parseCurlResult;
});
//3. 登录成功，锁定cookie的更新，直接访问已登录页面内容
$autologin->lockLastCookieFile();
echo 'After Login: ' . $autologin->getUrl($getDataUrl) . "\n";
四、更多
请关注github项目 php-utility-class 上面的更新。
文章首发自Zjmainstay学习笔记《PHP基于cURL实现自动模拟登录》