Question

我已经在这里完成了许多教程和问题，但仍然无法解决我为什么会得到“403禁止”＃39;当尝试使用cURL和PHP登录网站时。有问题的网站登录名为：https://science.swansea.ac.uk/intranet/accounts/login/。

初始请求有效（代码200），cookie保存到文件中。然后，我根据需要剥离此cookie并将其添加到帖子表单中。

另外我必须补充一点，我在localhost wamp服务器上运行这个php脚本，如果这可能是个问题？

如果有人能指出我正确的方向，那将是很好的，因为我现在已经有一段时间没有结果了。

PHP + cURL代码：

<?php

    $base_url  = 'https://science.swansea.ac.uk/intranet/accounts/login/?next=/intranet/';
    $login_url  = 'https://science.swansea.ac.uk/intranet/accounts/login/';
    $user_agent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36";
    $username = '*******';
    $password = '*******';
    $cookie = 'cookie.txt';

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $base_url);
    curl_setopt($ch, CURLOPT_USERAGENT,$user_agent);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
    curl_setopt($ch, CURLOPT_FOLLOWLOCATION,true);
    curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 1);
    curl_setopt($ch, CURLOPT_ENCODING, 'gzip, deflate, br');
    curl_setopt($ch, CURLOPT_COOKIEJAR, realpath($cookie));
    curl_setopt($ch, CURLOPT_COOKIEFILE, realpath($cookie));
    curl_setopt($ch, CURLOPT_TIMEOUT,30);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);

    curl_setopt($ch, CURLOPT_VERBOSE, 1);
    curl_setopt($ch, CURLOPT_STDERR, fopen(realpath("verbose.txt"), 'w'));

    $resp = curl_exec($ch);
    var_dump($resp);


    $headers = array(
        'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8',
        'Connection: keep-alive',
        'Cache-Control: max-age=0',
        'Origin: https://science.swansea.ac.uk',
        'Upgrade-Insecure-Requests: 1',
        'Referer: https://science.swansea.ac.uk/intranet/accounts/login/?next=/intranet/',
        'Accept-Language: en-US,en;q=0.8'
    );


    // Strip cookie to get token
    $csrfmiddlewaretoken = explode('csrftoken', file_get_contents(realpath($cookie)));
    $csrfmiddlewaretoken = trim($csrfmiddlewaretoken[1]);
    $csrfmiddlewaretoken = substr($csrfmiddlewaretoken, 0, strpos($csrfmiddlewaretoken, "#"));

    $post = array(
        'csrfmiddlewaretoken' => $csrfmiddlewaretoken,
        'username' => $username,
        'password' => $password,
        'next' => "/intranet/"
    );

    curl_setopt($ch, CURLOPT_URL, $login_url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($post));

    // Add headers
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);


      //Set headers out for debug
     // curl_setopt($ch, CURLINFO_HEADER_OUT, true);

    $exec = curl_exec($ch);
    echo($exec);

    $info = curl_getinfo($ch);
    $hinfo = curl_getinfo($ch, CURLINFO_HEADER_OUT);

    if ($info['http_code'] != 200) {
        echo "Login failed! HTTP code {$info['http_code']}<br>\n";
        var_dump($exec);

        // Echo post params
        $params= http_build_query($post);
        $params = str_replace("%0D%0A", '', $params);
        echo("$params <br>\n");
        echo($hinfo);
        exit;
    }

    echo "Login successful!<br>\n";

    // you are now logged in, use $ch to request pages as the logged in user

    $url = $base_url;

    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 0);

    $account = curl_exec($ch);

?>

详细输出：

*   Trying 137.44.2.221...
* Connected to science.swansea.ac.uk (137.44.2.221) port 443 (#0)
* Cipher selection: ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
* NPN, negotiated HTTP1.1
* SSL connection using TLSv1.2 / ECDHE-RSA-AES256-GCM-SHA384
* Server certificate:
*  subject: C=GB; ST=West Glamorgan; L=SWANSEA; O=Swansea University; OU=College of Science; CN=science.swansea.ac.uk
*  start date: Apr 29 11:54:39 2016 GMT
*  expire date: Apr 29 11:54:36 2019 GMT
*  issuer: C=BM; O=QuoVadis Limited; CN=QuoVadis Global SSL ICA G2
*  SSL certificate verify result: self signed certificate in certificate chain (19), continuing anyway.
> GET /intranet/accounts/login/?next=/intranet/ HTTP/1.1
Host: science.swansea.ac.uk
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Accept: */*
Accept-Encoding: gzip, deflate, br
Cookie: csrftoken=BNmrRv29juCijlFX63mpMkzkL4pO2x67; sessionid=unanto4vhu3k4s3cz3ngyjfq5zloihjr

< HTTP/1.1 200 OK
< Date: Thu, 19 Jan 2017 21:24:10 GMT
< Content-Type: text/html; charset=utf-8
< Transfer-Encoding: chunked
< Connection: keep-alive
< Server: gunicorn/0.17.2
< Last-Modified: Thu, 19 Jan 2017 21:24:10 GMT
< Expires: Thu, 19 Jan 2017 21:24:10 GMT
< Vary: Cookie
< Cache-Control: max-age=0
* Replaced cookie csrftoken="BNmrRv29juCijlFX63mpMkzkL4pO2x67" for domain science.swansea.ac.uk, path /intranet/, expire 1516310650
< Set-Cookie: csrftoken=BNmrRv29juCijlFX63mpMkzkL4pO2x67; expires=Thu, 18-Jan-2018 21:24:10 GMT; Max-Age=31449600; Path=/intranet/; secure
* Replaced cookie sessionid="unanto4vhu3k4s3cz3ngyjfq5zloihjr" for domain science.swansea.ac.uk, path /intranet/, expire 1485033850
< Set-Cookie: sessionid=unanto4vhu3k4s3cz3ngyjfq5zloihjr; expires=Sat, 21-Jan-2017 21:24:10 GMT; httponly; Max-Age=172800; Path=/intranet/; secure
< Content-Encoding: gzip
< 
* Connection #0 to host science.swansea.ac.uk left intact
* Found bundle for host science.swansea.ac.uk: 0x264f6c800d0 [can pipeline]
* Re-using existing connection! (#0) with host science.swansea.ac.uk
* Connected to science.swansea.ac.uk (137.44.2.221) port 443 (#0)
> POST /intranet/accounts/login/ HTTP/1.1
Host: science.swansea.ac.uk
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36
Accept-Encoding: gzip, deflate, br
Cookie: csrftoken=BNmrRv29juCijlFX63mpMkzkL4pO2x67; sessionid=unanto4vhu3k4s3cz3ngyjfq5zloihjr
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Connection: keep-alive
Cache-Control: max-age=0
Origin: https://science.swansea.ac.uk
Upgrade-Insecure-Requests: 1
Referer: https://science.swansea.ac.uk/intranet/accounts/login/
Accept-Language: en-US,en;q=0.8
Content-Length: 140
Content-Type: application/x-www-form-urlencoded

* upload completely sent off: 140 out of 140 bytes
< HTTP/1.1 403 FORBIDDEN
< Date: Thu, 19 Jan 2017 21:24:10 GMT
< Content-Type: text/html; charset=utf-8
< Transfer-Encoding: chunked
< Connection: keep-alive
< Server: gunicorn/0.17.2
< Vary: Cookie
* Replaced cookie sessionid="unanto4vhu3k4s3cz3ngyjfq5zloihjr" for domain science.swansea.ac.uk, path /intranet/, expire 1485033850
< Set-Cookie: sessionid=unanto4vhu3k4s3cz3ngyjfq5zloihjr; expires=Sat, 21-Jan-2017 21:24:10 GMT; httponly; Max-Age=172800; Path=/intranet/; secure
< Content-Encoding: gzip
< 
* Connection #0 to host science.swansea.ac.uk left intact

Answer 1

你的问题出在以下几个方面：

$csrfmiddlewaretoken = explode('csrftoken', file_get_contents(realpath($cookie)));
$csrfmiddlewaretoken = trim($csrfmiddlewaretoken[1]);
$csrfmiddlewaretoken = substr($csrfmiddlewaretoken, 0, strpos($csrfmiddlewaretoken, "#"));

如果您在此行echo ']'.$csrfmiddlewaretoken.'[';之后添加$csrfmiddlewaretoken = substr($csrfmiddlewaretoken, 0, strpos($csrfmiddlewaretoken, "#"));，则可以看到最后有 ~~额外空格~~（请参阅更新） $csrfmiddlewaretoken字符串。因此，这将与服务器查找的内容以及获得< HTTP/1.1 403 FORBIDDEN响应的原因不同。

所以只需将最后两行更改为上面的块：

$csrfmiddlewaretoken = $csrfmiddlewaretoken[1];
$csrfmiddlewaretoken = trim(substr($csrfmiddlewaretoken, 0, strpos($csrfmiddlewaretoken, "#")));

您将获得< HTTP/1.1 200 OK回复

<强>更新

这个额外的空间，实际上是%0D%0A这是ASCII字符“13”和“10”，它等于CR（回车或\ r）+ LF（换行或\ n）或放置它简单来说，输入

如果你查看cookie.txt文件，你有

science.swansea.ac.uk   FALSE   /intranet/  TRUE    1516357443  csrftoken   s5mbN2Fa5tty4UAkjjSix4cxlBLygsHg
#HttpOnly_science.swansea.ac.uk FALSE   /intranet/  TRUE    1485080643  sessionid   xvy7rikn6d3iv5xq0g6yisdrv00yjj0z

这意味着您在一行中有csrftoken + token，在另一行的开头有#。因为这一行：

$csrfmiddlewaretoken = substr($csrfmiddlewaretoken, 0, strpos($csrfmiddlewaretoken, "#"))

您正在删除最后一行的#之后的任何内容，但是您正在使用前面的\ r \ n（输入）。你必须从字符串的末尾删除它

PHP + cURL网站登录＆＃39; 403 Forbidden＆＃39;

1 个答案: