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From Ajay Garg <ajaygargn...@gmail.com>
Subject [users@httpd] Query/Issue uploading file via HTTP POST/PUT using absolute basics
Date Sun, 09 Aug 2015 17:09:35 GMT
Hi All.

We desire to set up file upload/download feature with a HTTP-Web-Server
where the client runs in an embedded-environment, and thus wish to achieve
this using the absolute basic primitives - socket programming (on the
client-side that is).

We have been able to achieve the download functionality.
For brevity, this is how we do it ::


##################################################################
*telnet localhost 80*
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
*GET /1/test_download_file.txt HTTP/1.0\r\n\r\n*

HTTP/1.1 200 OK
Date: Sun, 09 Aug 2015 16:50:54 GMT
Server: Apache/2.4.7 (Ubuntu)
Last-Modified: Sun, 09 Aug 2015 16:50:23 GMT
ETag: "1d-51ce3aa4aa242"
Accept-Ranges: bytes
Content-Length: 29
Connection: close
Content-Type: text/plain

Testing download success !!!
Connection closed by foreign host.
##################################################################

We tested our code on a local HTTP-server, and the same code is serving us
well with the production HTTP-server.






When we try the same for file-uploading, this is what we get ::

##################################################################
*telnet localhost 80*
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
*PUT /1/test_upload_file.txt HTTP/1.0\r\n\r\n*


*Content-Length: 41234*
HTTP/1.1 405 Method Not Allowed
Date: Sun, 09 Aug 2015 16:58:38 GMT
Server: Apache/2.4.7 (Ubuntu)
Allow: GET,HEAD,POST,OPTIONS
Content-Length: 317
Connection: close
Content-Type: text/html; charset=iso-8859-1

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>405 Method Not Allowed</title>
</head><body>
<h1>Method Not Allowed</h1>
<p>The requested method PUT is not allowed for the URL
/1/test_upload_file.txt.</p>
<hr>
<address>Apache/2.4.7 (Ubuntu) Server at 127.0.1.1 Port 80</address>
</body></html>
Connection closed by foreign host.
##################################################################



Following is the Virtual-Host configuration ::

##################################################################
<VirtualHost *:80>
    # The ServerName directive sets the request scheme, hostname and port
that
    # the server uses to identify itself. This is used when creating
    # redirection URLs. In the context of virtual hosts, the ServerName
    # specifies what hostname must appear in the request's Host: header to
    # match this virtual host. For the default virtual host (this file) this
    # value is not decisive as it is used as a last resort host regardless.
    # However, you must set it for any further virtual host explicitly.
    #ServerName www.example.com

    ServerAdmin webmaster@localhost
    DocumentRoot /var/www/html

    # Available loglevels: trace8, ..., trace1, debug, info, notice, warn,
    # error, crit, alert, emerg.
    # It is also possible to configure the loglevel for particular
    # modules, e.g.
    #LogLevel info ssl:warn

    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined

<Directory />
    AllowOverride All
    <Limit GET HEAD POST PUT DELETE OPTIONS>
        Order Allow,Deny
        Allow from all
    </Limit>
</Directory>

    # For most configuration files from conf-available/, which are
    # enabled or disabled at a global level, it is possible to
    # include a line for only one particular virtual host. For example the
    # following line enables the CGI configuration for this host only
    # after it has been globally disabled with "a2disconf".
    #Include conf-available/serve-cgi-bin.conf
</VirtualHost>
##################################################################


Please note that in the test-environment, the http-server is running on
Ubuntu 14.04 on a 32-bit machine desktop.
(Just to re-iterate, the file-download works using the absolute basics, but
the file-upload does not).



I have tried googling and tried whatever it threw us, but I am unable to
make the file-upload work.
We will be grateful if we could let be known where I am making the mistake.


Looking forward to some help ...


Thanks and Regards,
Ajay

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