http.lua: allow override of hard-coded 5 max redirects

This commit is contained in:
E. Westbrook 2018-07-13 12:52:26 -06:00
parent 144fa01c2f
commit 09ff9b650c
2 changed files with 9 additions and 4 deletions

View File

@ -135,7 +135,8 @@ http.<b>request{</b><br>
&nbsp;&nbsp;[step = <i>LTN12 pump step</i>,]<br>
&nbsp;&nbsp;[proxy = <i>string</i>,]<br>
&nbsp;&nbsp;[redirect = <i>boolean</i>,]<br>
&nbsp;&nbsp;[create = <i>function</i>]<br>
&nbsp;&nbsp;[create = <i>function</i>,]<br>
&nbsp;&nbsp;[maxredirects = <i>number</i>]<br>
<b>}</b>
</p>
@ -185,6 +186,7 @@ Defaults to the LTN12 <tt>pump.step</tt> function.
function from automatically following 301 or 302 server redirect messages;
<li><tt>create</tt>: An optional function to be used instead of
<a href=tcp.html#socket.tcp><tt>socket.tcp</tt></a> when the communications socket is created.
<li><tt>maxredirects</tt>: An optional number specifying the maximum number of redirects to follow. Defaults to <tt>5</tt> if not specified. A boolean <tt>false</tt> value means no maximum (unlimited).
</ul>
<p class=return>
@ -324,8 +326,8 @@ r, c = http.request {
</p>
<p>
<small>
Last modified by Diego Nehab on <br>
Thu Apr 20 00:25:26 EDT 2006
Last modified by Eric Westbrook on <br>
Sat Feb 23 19:09:42 UTC 2019
</small>
</p>
</center>

View File

@ -277,7 +277,9 @@ local function shouldredirect(reqt, code, headers)
return (reqt.redirect ~= false) and
(code == 301 or code == 302 or code == 303 or code == 307) and
(not reqt.method or reqt.method == "GET" or reqt.method == "HEAD")
and (not reqt.nredirects or reqt.nredirects < 5)
and ((false == reqt.maxredirects)
or ((reqt.nredirects or 0)
< (reqt.maxredirects or 5)))
end
local function shouldreceivebody(reqt, code)
@ -299,6 +301,7 @@ local trequest, tredirect
sink = reqt.sink,
headers = reqt.headers,
proxy = reqt.proxy,
maxredirects = reqt.maxredirects,
nredirects = (reqt.nredirects or 0) + 1,
create = reqt.create
}