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/*
* Handles GroupDAV DELETE requests.
*
* 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/euid
*/
void dav_delete(void)
{
wcsession *WCC = WC;
char dav_uid[SIZ];
long dav_msgnum = (-1);
char buf[SIZ];
int n = 0;
StrBuf *dav_roomname = NewStrBuf();
/* Now extract the message euid */
n = StrBufNum_tokens(WCC->Hdr->HR.ReqLine, '/');
extract_token(dav_uid, ChrPtr(WCC->Hdr->HR.ReqLine), n-1, '/', sizeof dav_uid);
StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
///* What's left is the room name. Remove trailing slashes. */
//len = StrLength(WCC->Hdr->HR.ReqLine);
//if ((len > 0) && (ChrPtr(WCC->Hdr->HR.ReqLinee)[len-1] == '/')) {
// StrBufCutRight(WCC->Hdr->HR.ReqLine, 1);
//}
//StrBufCutLeft(WCC->Hdr->HR.ReqLine, 1);
/* 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))) {
hprintf("HTTP/1.1 404 not found\r\n");
dav_common_headers();
hprintf("Content-Length: 0\r\n\r\n");
begin_burst();
end_burst();
FreeStrBuf(&dav_roomname);
return;
}
dav_msgnum = locate_message_by_uid(dav_uid);
/*
* If no item exists with the requested uid ... simple error.
*/
if (dav_msgnum < 0L) {
hprintf("HTTP/1.1 404 Not Found\r\n");
dav_common_headers();
hprintf("Content-Length: 0\r\n\r\n");
begin_burst();
end_burst();
FreeStrBuf(&dav_roomname);
return;
}
/*
* It's there ... check the ETag and make sure it matches
* the message number.
*/
if (StrLength(WCC->Hdr->HR.dav_ifmatch) > 0) {
if (StrTol(WCC->Hdr->HR.dav_ifmatch) != dav_msgnum) {
hprintf("HTTP/1.1 412 Precondition Failed\r\n");
dav_common_headers();
hprintf("Content-Length: 0\r\n\r\n");
begin_burst();
end_burst();
FreeStrBuf(&dav_roomname);
return;
}
}
/*
* Ok, attempt to delete the item.
*/
serv_printf("DELE %ld", dav_msgnum);
serv_getln(buf, sizeof buf);
if (buf[0] == '2') {
hprintf("HTTP/1.1 204 No Content\r\n"); /* success */
dav_common_headers();
hprintf("Content-Length: 0\r\n\r\n");
begin_burst();
end_burst();
}
else {
hprintf("HTTP/1.1 403 Forbidden\r\n"); /* access denied */
dav_common_headers();
hprintf("Content-Length: 0\r\n\r\n");
begin_burst();
end_burst();
}
FreeStrBuf(&dav_roomname);
return;
}
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