[Ricardo Rodriguez] Your EPEC Network ICT Team wrote:
> Hi all,
>
> We are using XWiki to share/develop R code.
>
> R has a source() command that can call a remote web page where the code
> is stored and execute it locally. We can figure out more sophisticated
> ways of getting R involved, but as an starting point it could be enough
> to be able to call restricted access XWiki URLs from local R
> installations with the source() command. Thus, I think that we need to
> send to XWiki the username and the password together with this URL.
>
> Please, could you now if this is possible and point me in the right
> direction? Thanks!
>
> Best regards,
>
> Ricardo
>
>
Hi,
Following some advise from people in the R r-help e-mail list and from
some other threads here I can read the following authentication header:
--
http://MyHostName/xwiki/bin/loginsubmit/XWiki/XWikiLogin
POST /xwiki/bin/loginsubmit/XWiki/XWikiLogin HTTP/1.1
Host: MyHostName
User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US;
rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12
Accept:
text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
Accept-Language: en,en-us;q=0.7,es-es;q=0.3
Accept-Encoding: gzip,deflate
Accept-Charset: UTF-8,*
Keep-Alive: 300
Connection: keep-alive
Referer:
http://MyHostName/xwiki/bin/login/XWiki/XWikiLogin?xredirect=http%3A%2F%2FMyHostName%2Fxwiki%2Fbin%2Fview%2FMain%2F
Cookie: JSESSIONID=A89FBB1701789DE208FFDBD732E9EFFD; style=default
Content-Type: application/x-www-form-urlencoded
Content-Length: 146
xredirect=http%3A%2F%2FMyHostName%2Fxwiki%2Fbin%2Fview%2FMain%2F&j_username=x&j_password=x&j_rememberme=true
HTTP/1.x 302 Moved Temporarily
Server: Apache-Coyote/1.1
Set-Cookie: username=x==; Expires=Sun, 02-Mar-2008 11:26:15 GMT;
Path=/
Set-Cookie: password=x==; Expires=Sun, 02-Mar-2008 11:26:15 GMT;
Path=/
Set-Cookie: rememberme=true; Expires=Sun, 02-Mar-2008 11:26:15 GMT; Path=/
Set-Cookie: validation=2ea9cbeb40bdafc8314b50f18b440e30; Expires=Sun,
02-Mar-2008 11:26:15 GMT; Path=/
Location: http://MyHostName/xwiki/bin/view/Main/
Content-Type: text/html;charset=ISO-8859-1
Content-Language: en
Content-Length: 0
Date: Sat, 16 Feb 2008 11:26:15 GMT
--
I've replaced username and password values with x and the real
hostname with MyHostName.
In xredirect I can easily identify : as %3A and / as %2F. But, is it
possible to pass the string &j_ in an "regular" URL? Is this possible to
pass username and password with this string as an URL to access a
restricted access document or it is a requirement that the cookies are
set before the client can read it?
For instance, could I pass username and password with the following URL...?
http://xepecnet.environmentalchange.net/xwiki/bin/view/ICT/RGraphicSample01?xpage=plain
I keep trying to pass the code in this document to R. This is what I get
right now...
>
source("http://xepecnet.environmentalchange.net/xwiki/bin/view/ICT/RGraphicSample01?xpage=plain";)
Error in file(file, "r", encoding = encoding) : unable to open connection
In addition: Warning message:
In file(file, "r", encoding = encoding) :
cannot open: HTTP status was '401 Unauthorized'
Thanks for your help!
Best,
Ricardo
--
Ricardo Rodríguez
Your EPEC Network ICT Team
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