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/*
* Handles DAV OPTIONS requests (experimental -- not required by GroupDAV)
*
* Copyright (c) 2005-2012 by the citadel.org team
*
* This program is open source software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include "webcit.h"
#include "webserver.h"
#include "dav.h"
/*
* The pathname is always going to be /groupdav/room_name/msg_num
*/
void dav_options(void)
{
wcsession *WCC = WC;
StrBuf *dav_roomname;
StrBuf *dav_uid;
long dav_msgnum = (-1);
char datestring[256];
time_t now;
now = time(NULL);
http_datestring(datestring, sizeof datestring, now);
dav_roomname = NewStrBuf();
dav_uid = NewStrBuf();
StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
StrBufExtract_token(dav_uid, WCC->Hdr->HR.ReqLine, 1, '/');
syslog(LOG_DEBUG, "\033[35m%s (logged_in=%d)\033[0m", ChrPtr(WCC->Hdr->HR.ReqLine), WC->logged_in);
/*
* If the room name is blank, the client is doing an OPTIONS on the root.
*/
if (StrLength(dav_roomname) == 0) {
syslog(LOG_DEBUG, "\033[36mOPTIONS requested for root\033[0m");
hprintf("HTTP/1.1 200 OK\r\n");
dav_common_headers();
hprintf("Date: %s\r\n", datestring);
hprintf("DAV: 1\r\n");
hprintf("Allow: OPTIONS, PROPFIND\r\n");
hprintf("\r\n");
begin_burst();
end_burst();
FreeStrBuf(&dav_roomname);
FreeStrBuf(&dav_uid);
return;
}
/* Go to the correct room. */
if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
gotoroom(dav_roomname);
}
if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
syslog(LOG_DEBUG, "\033[36mOPTIONS requested for invalid item\033[0m");
hprintf("HTTP/1.1 404 not found\r\n");
dav_common_headers();
hprintf("Date: %s\r\n", datestring);
hprintf(
"Content-Type: text/plain\r\n");
begin_burst();
wc_printf(
"There is no folder called \"%s\" on this server.\r\n",
ChrPtr(dav_roomname)
);
end_burst();
FreeStrBuf(&dav_roomname);
FreeStrBuf(&dav_uid);
return;
}
/* If dav_uid is non-empty, client is requesting an OPTIONS on
* a specific item in the room.
*/
if (StrLength(dav_uid) != 0) {
syslog(LOG_DEBUG, "\033[36mOPTIONS requested for specific item\033[0m");
dav_msgnum = locate_message_by_uid(ChrPtr(dav_uid));
if (dav_msgnum < 0) {
hprintf("HTTP/1.1 404 not found\r\n");
dav_common_headers();
hprintf("Content-Type: text/plain\r\n");
begin_burst();
wc_printf(
"Object \"%s\" was not found in the \"%s\" folder.\r\n",
ChrPtr(dav_uid),
ChrPtr(dav_roomname)
);
FreeStrBuf(&dav_roomname);
FreeStrBuf(&dav_uid);
end_burst();return;
}
hprintf("HTTP/1.1 200 OK\r\n");
dav_common_headers();
hprintf("Date: %s\r\n", datestring);
hprintf("DAV: 1\r\n");
hprintf("Allow: OPTIONS, PROPFIND, GET, PUT, DELETE\r\n");
begin_burst();
end_burst();
FreeStrBuf(&dav_roomname);
FreeStrBuf(&dav_uid);
return;
}
FreeStrBuf(&dav_roomname);
FreeStrBuf(&dav_uid);
/*
* We got to this point, which means that the client is requesting
* an OPTIONS on the room itself.
*/
syslog(LOG_DEBUG, "\033[36mOPTIONS requested for room '%s' (%slogged in)\033[0m",
ChrPtr(WC->CurRoom.name),
((WC->logged_in) ? "" : "not ")
);
hprintf("HTTP/1.1 200 OK\r\n");
dav_common_headers();
hprintf("Date: %s\r\n", datestring);
/*
* Offer CalDAV (RFC 4791) if this is a calendar room
*/
if ( (WC->CurRoom.view == VIEW_CALENDAR) || (WC->CurRoom.view == VIEW_CALBRIEF) ) {
hprintf("DAV: 1, calendar-access\r\n");
syslog(LOG_DEBUG, "\033[36mDAV: 1, calendar-access\033[0m");
}
else {
hprintf("DAV: 1\r\n");
syslog(LOG_DEBUG, "\033[36mDAV: 1\033[0m");
}
hprintf("Allow: OPTIONS, PROPFIND, GET, PUT, REPORT\r\n");
begin_burst();
end_burst();
}
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