[SR-Users] Kamailio accepts and stores XCAP XML document from jitsi but rejects it on retrieval
Alex Villacís Lasso
a_villacis at palosanto.com
Thu May 29 01:30:06 CEST 2014
I am trying to set up XCAP support for SIP SIMPLE, and using jitsi as the sample client. The kamailio database was previously configured using ODBC and kamailio-4.1.3 and was apparently working correctly. I was following the guide at
http://nil.uniza.sk/instant-messaging/simple/configuring-xcap-support-im-and-presence-over-kamailio-31-debian-lenny as well as the standard documentation at http://kamailio.org/docs/modules/4.1.x/modules/xcap_server.html . However, the rls support is
currently disabled. When I use jitsi to connect, and add one contact to the empty contact list, I see the database being populated (mysql backend):
mysql> select * from xcap;
+----+-------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+-----------------------+--------+-----------------------------------------------------------------------+------+
| id | username | domain | doc | doc_type | etag | source | doc_uri | port |
+----+-------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+-----------------------+--------+-----------------------------------------------------------------------+------+
| 3 | avillacisIM | pbx.elastix.com | <?xml version="1.0" encoding="UTF-8" standalone="no"?><resource-lists xmlns="urn:ietf:params:xml:ns:resource-lists"><list name="RootGroup"><entry
uri="sip:bmacias at pbx.elastix.com"><display-name>bmacias</display-name></entry></list></resource-lists> | 4 | sr-1401316328-31413-1 | 0 | /xcap-root/resource-lists/users/sip:avillacisIM at pbx.elastix.com/index | 0 |
| 4 | avillacisIM | pbx.elastix.com | <?xml version="1.0" encoding="UTF-8" standalone="no"?><ruleset xmlns="urn:ietf:params:xml:ns:common-policy"><rule id="presence_allow"><conditions><identity><one
id="sip:bmacias at pbx.elastix.com"/></identity></conditions><actions><sub-handling xmlns="urn:ietf:params:xml:ns:pres-rules">allow</sub-handling></actions><transformations><provide-devices
xmlns="urn:ietf:params:xml:ns:pres-rules"><all-devices/></provide-devices><provide-persons xmlns="urn:ietf:params:xml:ns:pres-rules"><all-persons/></provide-persons><provide-services
xmlns="urn:ietf:params:xml:ns:pres-rules"><all-services/></provide-services></transformations></rule></ruleset> | 2 | sr-1401316328-31416-1 | 0 | /xcap-root/pres-rules/users/sip:avillacisIM at pbx.elastix.com/presrules | 0 |
+----+-------------+-----------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------+-----------------------+--------+-----------------------------------------------------------------------+------+
2 rows in set (0.00 sec)
As far as I can see, both XML documents are well formed.
However, if I shutdown and then restart jitsi, I see (with wireshark) that the server returned a 500 Server Error when trying to fetch resource-lists . At the same time, the following appears on the log:
May 28 17:39:12 elx /usr/sbin/kamailio[31421]: ALERT: <script>: ===== xhttp: request [HTTP/1.1] GET => /xcap-root/xcap-caps/global/index
May 28 17:39:12 elx /usr/sbin/kamailio[31421]: ALERT: <script>: ===== xhttp: request [HTTP/1.1] GET => /xcap-root/xcap-caps/global/index
May 28 17:39:12 elx /usr/sbin/kamailio[31421]: ALERT: <script>: ===== xhttp: xcap-caps : <null>
May 28 17:39:12 elx /usr/sbin/kamailio[31413]: ALERT: <script>: ===== xhttp: request [HTTP/1.1] GET => /xcap-root/resource-lists/users/sip:avillacisIM at pbx.elastix.com/index
May 28 17:39:12 elx /usr/sbin/kamailio[31413]: ALERT: <script>: ===== xhttp: request [HTTP/1.1] GET => /xcap-root/resource-lists/users/sip:avillacisIM at pbx.elastix.com/index
May 28 17:39:12 elx /usr/sbin/kamailio[31413]: ALERT: <script>: ===== xhttp: resource-lists : sip:avillacisIM at pbx.elastix.com
May 28 17:39:12 elx /usr/sbin/kamailio[31413]: ERROR: xcap_server [xcap_server.c:758]: xcaps_get_db_doc(): invalid xml doc retrieved from database
May 28 17:39:12 elx /usr/sbin/kamailio[31413]: ERROR: xcap_server [xcap_server.c:1171]: w_xcaps_get(): could not fetch xcap document
What can I do to solve this issue. This is preventing contacts from being retrieved or added once the first contact is stored.
My event-route looks like this (WITH_XCAPSRV is defined elsewhere in the configuration):
#!ifdef WITH_XHTTP
event_route[xhttp:request] {
#!ifdef WITH_XHTTP_RPC
$var(xhttp_rpc_root) = $(hu{s.substr,0,9});
if ($var(xhttp_rpc_root) == "/http_rpc") {
dispatch_xhttp_rpc();
}
#!endif
#!ifdef WITH_XHTTP_PI
$var(xhttp_rpc_root) = $(hu{s.substr,0,8});
if ($var(xhttp_rpc_root) == "/http_pi") {
dispatch_xhttp_pi();
}
#!endif
#!ifdef WITH_XCAPSRV
if ($hu =~ "^/xcap-root/") {
route(XCAPSRV);
}
#!endif
set_reply_close();
set_reply_no_connect();
# if ($Rp != 80
##!ifdef WITH_TLS
# && $Rp != 443
##!endif
# ) {
#
# xlog("L_WARN", "HTTP request received on $Rp\n");
# xhttp_reply("403", "Forbidden", "text/html", "Forbidden");
# exit;
# }
xlog("L_DBG", "HTTP Request Received\n");
if ($hdr(Upgrade)=~"websocket"
&& $hdr(Connection)=~"Upgrade"
&& $rm=~"GET") {
# Validate Host - make sure the client is using the correct
# alias for WebSockets
if ($hdr(Host) == $null || !is_myself("sip:" + $hdr(Host))) {
xlog("L_WARN", "Bad host $hdr(Host)\n");
xhttp_reply("403", "Forbidden", "", "");
exit;
}
# Optional... validate Origin - make sure the client is from an
# authorised website. For example,
#
# if ($hdr(Origin) != "http://communicator.MY_DOMAIN"
# && $hdr(Origin) != "https://communicator.MY_DOMAIN") {
# xlog("L_WARN", "Unauthorised client $hdr(Origin)\n");
# xhttp_reply("403", "Forbidden", "", "");
# exit;
# }
# Optional... perform HTTP authentication
# ws_handle_handshake() exits (no further configuration file
# processing of the request) when complete.
if (ws_handle_handshake())
{
# Optional... cache some information about the
# successful connection
exit;
}
}
xhttp_reply("200", "OK", "text/html",
"<html><body>Wrong URL $hu</body></html>");
}
#!endif
#!ifdef WITH_XCAPSRV
route[XCAPSRV] {
xlog("L_ALERT", "===== xhttp: request [$rv] $rm => $hu\n");
# Remove port specification from Host header and use as authentication domain
$var(http_domain) = $(hdr(Host){s.select,0,:});
if (!www_authorize("$var(http_domain)", "subscriber")) {
www_challenge("$var(http_domain)", "0");
exit;
}
set_reply_close();
set_reply_no_connect();
if ($hu=~"^/xcap-root/oma_status-icon/users/.*/.*$")
$var(doc_uri) = $(hu{re.subst,/(^\/xcap-root\/)oma_status-icon(\/users\/.*\/).*$/\1org.openmobilealliance.pres-content\2oma_status-icon\/preseImage/});
else
$var(doc_uri) = $hu;
# xcap ops
$xcapuri(u=>data) = $var(doc_uri);
if($xcapuri(u=>xuid)=~"^sip:.+ at .+")
$var(uri) = $xcapuri(u=>xuid);
else if($xcapuri(u=>xuid)=~".+ at .+")
$var(uri) = "sip:" + $xcapuri(u=>xuid);
else
$var(uri) = "sip:"+ $xcapuri(u=>xuid) + "@" + $Ri;
xlog("L_ALERT", "===== xhttp: $xcapuri(u=>auid) : $xcapuri(u=>xuid)\n");
if ($xcapuri(u=>auid) == "xcap-caps") {
if ($rm == "GET") {
$var(xbody) =
"<?xml version='1.0' encoding='UTF-8'?>
<xcap-caps xmlns='urn:ietf:params:xml:ns:xcap-caps'>
<auids>
<auid>rls-services</auid>
<auid>pidf-manipulation</auid>
<auid>xcap-caps</auid>
<auid>resource-lists</auid>
<auid>pres-rules</auid>
<auid>org.openmobilealliance.pres-rules</auid>
<auid>org.openmobilealliance.user-profile</auid>
<auid>org.openmobilealliance.pres-content</auid>
<auid>org.openmobilealliance.search</auid>
<auid>org.openmobilealliance.xcap-directory</auid>
</auids>
<extensions></extensions>
<namespaces>
<namespace>urn:ietf:params:xml:ns:rls-services</namespace>
<namespace>urn:ietf:params:xml:ns:pidf</namespace>
<namespace>urn:ietf:params:xml:ns:xcap-caps</namespace>
<namespace>urn:ietf:params:xml:ns:resource-lists</namespace>
<namespace>urn:ietf:params:xml:ns:pres-rules</namespace>
<namespace>urn:oma:xml:xdm:user-profile</namespace>
<namespace>urn:oma:xml:prs:pres-content</namespace>
<namespace>urn:oma:xml:xdm:search</namespace>
<namespace>urn:oma:xml:xdm:xcap-directory</namespace>
</namespaces>
</xcap-caps>";
xhttp_reply("200", "OK", "application/xcap-caps+xml", "$var(xbody)");
} else {
append_to_reply("Allow: GET\r\n");
xhttp_reply("405", "Method Not Allowed", "", "");
}
exit;
}
# be sure auth user access only its documents
if ($au != $(var(uri){uri.user})) {
xhttp_reply("403", "Forbidden", "text/html", "<html><body>$si:$sp</body></html>");
exit;
}
switch($rm) {
case "PUT":
xcaps_put("$var(uri)", "$var(doc_uri)", "$rb");
if ($xcapuri(u=>auid) =~ "pres-rules") {
pres_update_watchers("$var(uri)", "presence");
pres_refresh_watchers("$var(uri)", "presence", 1);
# } else if ($xcapuri(u=>auid) =~ "rls-services" || $xcapuri(u=>auid) =~ "resource-lists") {
# rls_update_subs("$var(uri)", "presence");
} else if ($xcapuri(u=>auid) =~ "pidf-manipulation") {
pres_refresh_watchers("$var(uri)", "presence", 2, "$xcapuri(u=>uri_adoc)", "$xcapuri(u=>file)");
}
exit;
break;
case "GET":
xcaps_get("$var(uri)", "$var(doc_uri)");
exit;
break;
case "DELETE":
xcaps_del("$var(uri)", "$var(doc_uri)");
if ($xcapuri(u=>auid) =~ "pres-rules") {
pres_update_watchers("$var(uri)", "presence");
pres_refresh_watchers("$var(uri)", "presence", 1);
# } else if ($xcapuri(u=>auid) =~ "rls-services" || $xcapuri(u=>auid) =~ "resource-lists") {
# rls_update_subs("$var(uri)", "presence");
} else if ($xcapuri(u=>auid) =~ "pidf-manipulation") {
pres_refresh_watchers("$var(uri)", "presence", 2, "$xcapuri(u=>uri_adoc)", "$xcapuri(u=>file)");
}
exit;
break;
case "POST":
if ($xcapuri(u=>auid) =~ "search") {
xhttp_reply("501", "Not Implemented", "", "");
} else {
if ($xcapuri(u=>auid) =~ "xcap-directory") {
append_to_reply("Allow: GET\r\n");
} else {
append_to_reply("Allow: DELETE, GET, PUT\r\n");
}
xhttp_reply("405", "Method Not Allowed", "", "");
}
exit;
break;
}
# other http requests
xhttp_reply("404", "Not Found", "", "");
exit;
}
#!endif
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