use*_*949 89 html http multipartform-data multipart
我想知道是否有人可以与我分享一个包含以下内容的multipart/form-data示例:
Cir*_*四事件 110
编辑:我正在维护一个类似但更深入的答案:https://stackoverflow.com/a/28380690/895245
要准确查看发生的情况,请使用nc -lECHO服务器和用户代理(如浏览器或cURL).
将表单保存到.html文件:
<form action="http://localhost:8000" method="post" enctype="multipart/form-data">
<p><input type="text" name="text" value="text default">
<p><input type="file" name="file1">
<p><input type="file" name="file2">
<p><button type="submit">Submit</button>
</form>
创建要上传的文件:
echo 'Content of a.txt.' > a.txt
echo '<!DOCTYPE html><title>Content of a.html.</title>' > a.html
跑:
nc -l localhost 8000
在浏览器上打开HTML,选择文件,然后单击"提交"并检查终端.
nc打印收到的请求.Firefox发送:
POST / HTTP/1.1
Host: localhost:8000
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:29.0) Gecko/20100101 Firefox/29.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Cookie: __atuvc=34%7C7; permanent=0; _gitlab_session=226ad8a0be43681acf38c2fab9497240; __profilin=p%3Dt; request_method=GET
Connection: keep-alive
Content-Type: multipart/form-data; boundary=---------------------------9051914041544843365972754266
Content-Length: 554
-----------------------------9051914041544843365972754266
Content-Disposition: form-data; name="text"
text default
-----------------------------9051914041544843365972754266
Content-Disposition: form-data; name="file1"; filename="a.txt"
Content-Type: text/plain
Content of a.txt.
-----------------------------9051914041544843365972754266
Content-Disposition: form-data; name="file2"; filename="a.html"
Content-Type: text/html
<!DOCTYPE html><title>Content of a.html.</title>
-----------------------------9051914041544843365972754266--
另外,cURL应该发送与浏览器表单相同的POST请求:
nc -l localhost 8000
curl -F "text=default" -F "file1=@a.html" -F "file1=@a.txt" localhost:8000
你可以用以下方法做多个测试:
while true; do printf '' | nc -l localhost 8000; done
pip*_*ppo 17
非常感谢@Ciro Santilli的回答!我发现他对边界的选择非常"不开心"因为所有的连字符:事实上,正如@Fake Name所评论的那样,当你在请求中使用你的边界时,它前面还有两个连字符:
例:
POST / HTTP/1.1
HOST: host.example.com
Cookie: some_cookies...
Connection: Keep-Alive
Content-Type: multipart/form-data; boundary=12345
--12345
Content-Disposition: form-data; name="sometext"
some text that you wrote in your html form ...
--12345
Content-Disposition: form-data; name="name_of_post_request" filename="filename.xyz"
content of filename.xyz that you upload in your form with input[type=file]
--12345
Content-Disposition: form-data; name="image" filename="picture_of_sunset.jpg"
content of picture_of_sunset.jpg ...
--12345--
我在这个w3.org页面上找到了可以在multipart/form-data中封装multipart/mixed标头,只需在multipart/mixed中选择另一个边界字符串并使用该字符串封装数据.最后,您必须"关闭"FILO命令中使用的所有边界以关闭POST请求(例如:
POST / HTTP/1.1
...
Content-Type: multipart/form-data; boundary=12345
--12345
Content-Disposition: form-data; name="sometext"
some text sent via post...
--12345
Content-Disposition: form-data; name="files"
Content-Type: multipart/mixed; boundary=abcde
--abcde
Content-Disposition: file; file="picture.jpg"
content of jpg...
--abcde
Content-Disposition: file; file="test.py"
content of test.py file ....
--abcde--
--12345--
看看上面的链接.
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