Roxen.git
/
server
/
base_server
/
prototypes.pike
version
»
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80
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Roxen.git/server/base_server/prototypes.pike:1378:
//! Flag indicating that the result should not be cached in //! the protocol cache. //! @member RequestID "orig" //! Originating @[RequestID] for recursive requests. //! @member int "port" //! Port number from the canonicalized host header. //! //! Note that this may differ from the actual port number //! (available in @[port_obj->port]) if eg the server is //! found behind a load balancing proxy. cf [bug 7385].
+
//! @member array(array(string|int)) forwarded
+
//! Parsed @expr{"Forwarded"@} header (@rfc{7239@}).
+
//! If the client sent no forwarded headers, any @expr{"x-forwarded-*"@}
+
//! headers that it sent are used instead.
+
//!
+
//! Each entry is on the format returned by @[MIME.tokenize()], and
+
//! corresponds to one @b{Forwarded@} field.
//! @member PrefLanguages "pref_languages" //! Language preferences for the request. //! @member mapping(string:array(string)) "post_variables" //! For POST requests, these are the variables parsed from the //! request body. It is undefined otherwise. //! @member mapping(string:array(MIME.Message)) "post_parts" //! For multipart/form-data POST requests, this holds the MIME //! message object for each part. It is undefined otherwise. //! @member array "proxyauth" //! Decoded proxy authentication information.
Roxen.git/server/base_server/prototypes.pike:2344:
string url_base() //! Returns the base part of the URL, i.e. what should be added in //! front of a path in the virtual filesystem to get the absolute //! URL to the page. The returned string ends with a "/", or is "" //! if no server base could be found. //! //! This function gets the correct host for protocols that handles //! IP-less hosts. { if (!cached_url_base) {
-
string
tmp
;
+
string
host
;
+
string scheme;
-
// We're looking at the
host
header...
-
register_vary_callback("
host
");
+
// We're looking at the
forwarded
header...
+
register_vary_callback("
forwarded
");
-
// First look at the
host
header
in the request
.
-
if (
tmp =
misc->
host
) {
-
string scheme = port
_
obj->prot_name;
-
if
(
has_prefix(tmp
,
"["
)) {
-
/
/
IPv6
-
sscanf
(
tmp,
"[%s]:%d",
string host
, int
port
)
;
-
if (
!port
|| port
=
=
port_obj->default_port
)
-
cached_url_base
=
scheme
+
"://
[
"
+
host
+ "]";
-
else
-
cached
_
url_base
= scheme + "://" + tmp;
-
}
else
{
-
int scanres = sscanf
(
tmp, "%
[
^:
]
:%d", string host, int port
);
-
if
((scanres
< 2) ||
(
port == port
_
obj->default
_
port
)) {
-
//
Some clients don't send the port in the host header
-
//
if
they've
connected to the default port.
-
//
NOTE:
We
want
the
(
probable
)
port number that the client
-
//
used here
;
NOT
the
actual
port
number,
since
there
-
//
may
be port remappers in the way.
-
//
Remove
redundant
port
number.
-
cached_url_base
=
scheme
+
"://" + host
;
-
}
else
{
-
cached_url_base
=
scheme
+
"://"
+
tmp
;
+
// First look at the
forwarded
header.
+
if (misc->
forwarded
) {
+
got
_
both:
+
foreach
(
misc->forwarded
,
array(int|string
)
entry
) {
+
foreach(entry
/ (
{
';'
})
,
array(
int
|string)
forwarded_pair
)
{
+
if (
(sizeof(forwarded_pair)
!
=
3)
||
+
(forwarded_pair
[
1]
!=
'=')
||
+
!stringp(forwarded
_
pair[0])
||
+
!stringp
(
forwarded_pair
[
2
]
))
continue
;
+
switch
(
lower
_
case(forwarded
_
pair[0]
)) {
+
case
"proto":
+
if
(scheme)
continue;
+
scheme
=
lower_case
(
forwarded_pair[2]
)
;
+
if
(host)
break
got_both
;
+
break;
+
case
"host":
+
if
(host)
continue;
+
host
=
forwarded_pair[2]
;
+
if
(scheme)
break
got_both;
+
break
;
} } }
-
+
}
-
//
Then
use
the
port
object
.
-
else
if (
mapping(string:mixed
)
conf
_
data
=
-
port_obj
&&
port_obj->conf_data[conf]) {
-
string
host = conf_data->hostname;
+
//
Second
look
at
the
host
header in the request
.
+
if (
!host
)
{
+
// We're looking at the host header...
+
register
_
vary_callback("host");
+
host
=
misc->host;
+
}
+
+
//
Then
try
the
port
object.
+
if (!scheme) {
+
scheme = port
_obj
->prot_name;
+
}
+
if (!host) {
+
mapping(string:mixed) conf_data =
port_obj->conf_data[conf]
;
+
if (conf_data
) {
+
host = conf_data->hostname;
if (host == "*") // Use the hostname in the configuration url. // Fall back to the numeric ip. host = conf->get_host() || port_obj->ip;
-
cached_url_base
=
port_obj->prot_name + "://" + host;
-
if (port_obj->port != port_obj->default_port)
-
cached_url_base
+= ":" + port_obj->port;
+
if (port_obj->port != port_obj->default_port)
{
+
host
+= ":" + port_obj->port;
}
-
+
}
+
} else {
+
string host_no_port;
+
int port;
-
+
if (has_prefix(host, "[")) {
+
// IPv6
+
sscanf(host, "[%s]:%d", host_no_port, port);
+
} else {
+
sscanf(host, "%[^:]:%d", host_no_port, port);
+
}
+
if (port == ([ "http":80, "https":443 ])[scheme]) {
+
// Default port.
+
port = 0;
+
host = host_no_port;
+
}
+
}
+
+
if (host) {
+
cached_url_base = scheme + "://" + host;
+
}
+
// Then try the configuration url.
-
else if (conf && sizeof (
tmp
= conf->get_url()))
-
cached_url_base =
tmp
[..sizeof
(
tmp
) - 2]; // Remove trailing '/'.
+
else if (conf && sizeof (
host
= conf->get_url()))
+
cached_url_base =
host
[..sizeof(
host
) - 2]; // Remove trailing '/'.
// Lastly use a pathetic fallback. With this the produced urls // will still be relative, which has some chance of working. else return cached_url_base = ""; if (string p = misc->site_prefix_path) cached_url_base += p; cached_url_base += "/"; } return cached_url_base; }