1459155 - Content-Length incorrect when re-sending POST requests containing files

Status: RESOLVED DUPLICATE of bug 1434553

(Core :: DOM: Core & HTML, defect)

Description

[mhorrocks91]

User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0
Build ID: 20180427210249

Steps to reproduce:

1. Create an HTML form to upload a file.
2. Select a file and submit the form.
3. The file is uploaded correctly. Press F5 to refresh the page. Click 'Re-send' to resend the POST data.
4. Webserver displays a request error.


Actual results:

* This is the re-sent POST request - the request data is correct but the Content-Length field value is wrong *

HEADER:

Content-Length: 268

DATA:

-----------------------------15502369427209
Content-Disposition: form-data; name="mode"

upload_export_confirm
-----------------------------15502369427209
Content-Disposition: form-data; name="upload_export_file"; filename="test.txt"
Content-Type: text/plain

A sample text file.
-----------------------------15502369427209
Content-Disposition: form-data; name="submit"

Upload Export
-----------------------------15502369427209--



Expected results:

* This is the first POST request - this works correctly *

HEADER:

Content-Length: 445

DATA:

-----------------------------15502369427209
Content-Disposition: form-data; name="mode"

upload_export_confirm
-----------------------------15502369427209
Content-Disposition: form-data; name="upload_export_file"; filename="test.txt"
Content-Type: text/plain

A sample text file.
-----------------------------15502369427209
Content-Disposition: form-data; name="submit"

Upload Export
-----------------------------15502369427209--

Comment 1

[mhorrocks91]

Duplicate bug found.