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How to calculate Content-Length for a file download within Kohana PHP?


How to calculate Content-Length for a file download within Kohana PHP?

By : MD Liton
Date : November 22 2020, 07:01 PM
I hope this helps you . There is a much simpler way to send a file with Kohana. If you are using Kohana 2.x it's done like this...
code :


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How do I calculate the content-length of a file upload in ruby?

How do I calculate the content-length of a file upload in ruby?


By : thangam
Date : March 29 2020, 07:55 AM
it helps some times Well, you know how you're reading and posting the data, presumably - so you know how much data you're sending. That's the content length. If you're just sending it directly in binary as the body of the post, it's just the length of the file. If you're base-64 encoding it, then the content length will be the ((file length + 2) / 3) * 4. If it's going in a SOAP envelope etc, you'll need to take account of that.
One way of doing this for complicated situations is to build the entire post body in memory first, set the content length, and then just copy from memory directly to the post body.
download a file properly with python if no Content-Length is provided

download a file properly with python if no Content-Length is provided


By : user3610330
Date : March 29 2020, 07:55 AM
this one helps. App Engine is sending the response using chunked encoding, which allows the client to determine when the response has completed. urllib should be dealing with this for you, though; it seems likely that your connection is getting terminated prematurely for some reason, and urllib isn't communicating that to you (or you're catching and ignoring the exception).
download file using JSF 2.2 return content-length=0

download file using JSF 2.2 return content-length=0


By : Gorson
Date : March 29 2020, 07:55 AM
hope this fix your issue I was a matter of extension I put .docx instead of .doc( .doc don't exist any more)
Download file in java when Content-Length is incorrectly set?

Download file in java when Content-Length is incorrectly set?


By : F.Mayr
Date : March 29 2020, 07:55 AM
will help you
After some research I concluded that my use of BufferedInputStream to append to a ByteArrayBuffer is autosizing the byte array to the url connections content length.
code :
while((newLength = inputStream.read(buffer))>0)
{
    curLength += newLength;
    fos.write(buffer, 0, newLength);
}
Download file via PHP script from FTP server to browser with Content-Length header without storing the file on the web s

Download file via PHP script from FTP server to browser with Content-Length header without storing the file on the web s


By : Yang Yi
Date : March 29 2020, 07:55 AM
This might help you Just remove the output buffering (ob_start() and the others).
Use just this:
code :
ftp_get($conn_id, "php://output", $file, FTP_BINARY);
$conn_id = ftp_connect("ftp.example.com");
ftp_login($conn_id, "username", "password");
ftp_pasv($conn_id, true);

$file_path = "remote/path/file.zip";
$size = ftp_size($conn_id, $file_path);

header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=" . basename($file_path));
header("Content-Length: $size"); 

ftp_get($conn_id, "php://output", $file_path, FTP_BINARY);
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