/*
- * Handles GroupDAV PROPFIND requests.
+ * Handles GroupDAV and CalDAV PROPFIND requests.
*
* A few notes about our XML output:
*
* This makes it difficult to read, but we have discovered clients which
* crash when you try to pretty it up.
*
- * Copyright (c) 2005-2011 by the citadel.org team
+ * References:
+ * http://www.ietf.org/rfc/rfc4791.txt
+ * http://blogs.nologin.es/rickyepoderi/index.php?/archives/14-Introducing-CalDAV-Part-I.html
+
+Sample query:
+
+PROPFIND /groupdav/calendar/ HTTP/1.1
+Content-type: text/xml; charset=utf-8
+Content-length: 166
+
+<?xml version="1.0" encoding="UTF-8"?>
+<D:propfind xmlns:D="DAV:">
+ <D:prop>
+ <D:getcontenttype/>
+ <D:resourcetype/>
+ <D:getetag/>
+ </D:prop>
+</D:propfind>
+
+ *
+ * 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.
* 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"
-extern int DisableGzip;
-
/*
* Given an encoded UID, translate that to an unencoded Citadel EUID and
* then search for it in the current room. Return a message number or -1
void propfind_xml_start(void *data, const char *supplied_el, const char **attr) {
- syslog(LOG_DEBUG, "<%s>", supplied_el);
+ // syslog(LOG_DEBUG, "<%s>", supplied_el);
}
void propfind_xml_end(void *data, const char *supplied_el) {
- syslog(LOG_DEBUG, "</%s>", supplied_el);
+ // syslog(LOG_DEBUG, "</%s>", supplied_el);
}
StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
StrBufExtract_token(dav_uid, WCC->Hdr->HR.ReqLine, 1, '/');
+ syslog(LOG_DEBUG, "PROPFIND requested for '%s' at depth %d",
+ ChrPtr(dav_roomname), WCC->Hdr->HR.dav_depth
+ );
+
/*
* If the room name is blank, the client is requesting a folder list.
*/
/*
- * We got to this point, which means that the client is requesting
- * a 'collection' (i.e. a list of all items in the room).
+ * If we get to this point the client is performing a PROPFIND on the room itself.
+ *
+ * We call it a room; DAV calls it a "collection." We have to give it some properties
+ * of the room itself and then offer a list of all items contained therein.
*
* Be rude. Completely ignore the XML request and simply send them
* everything we know about (which is going to simply be the ETag and
* nothing else). Let the client-side parser sort it out.
*/
+ //syslog(LOG_DEBUG, "BE RUDE AND IGNORE: \033[31m%s\033[0m", ChrPtr(WC->upload) );
hprintf("HTTP/1.0 207 Multi-Status\r\n");
dav_common_headers();
hprintf("Date: %s\r\n", datestring);
begin_burst();
wc_printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
- "<multistatus "
- "xmlns=\"DAV:\" "
+ "<D:multistatus "
+ "xmlns:D=\"DAV:\" "
"xmlns:G=\"http://groupdav.org/\" "
- "xmlns:CALDAV=\"urn:ietf:params:xml:ns:caldav\""
+ "xmlns:C=\"urn:ietf:params:xml:ns:caldav\""
">"
);
- /* Transmit the collection resource (FIXME check depth and starting point) */
- wc_printf("<response>");
+ /* Transmit the collection resource */
+ wc_printf("<D:response>");
- wc_printf("<href>");
+ wc_printf("<D:href>");
dav_identify_host();
wc_printf("/groupdav/");
urlescputs(ChrPtr(WCC->CurRoom.name));
- wc_printf("</href>");
+ wc_printf("</D:href>");
- wc_printf("<propstat>");
- wc_printf("<status>HTTP/1.1 200 OK</status>");
- wc_printf("<prop>");
- wc_printf("<displayname>");
+ wc_printf("<D:propstat>");
+ wc_printf("<D:status>HTTP/1.1 200 OK</D:status>");
+ wc_printf("<D:prop>");
+ wc_printf("<D:displayname>");
escputs(ChrPtr(WCC->CurRoom.name));
- wc_printf("</displayname>");
+ wc_printf("</D:displayname>");
- wc_printf("<owner/>"); /* empty owner ought to be legal; see rfc3744 section 5.1 */
+ wc_printf("<D:owner/>"); /* empty owner ought to be legal; see rfc3744 section 5.1 */
- wc_printf("<resourcetype><collection/>");
+ wc_printf("<D:resourcetype><D:collection/>");
switch(WCC->CurRoom.defview) {
case VIEW_CALENDAR:
wc_printf("<G:vevent-collection />");
- wc_printf("<CALDAV:calendar />");
+ wc_printf("<C:calendar />");
break;
case VIEW_TASKS:
wc_printf("<G:vtodo-collection />");
wc_printf("<G:vcard-collection />");
break;
}
- wc_printf("</resourcetype>");
+ wc_printf("</D:resourcetype>");
/* FIXME get the mtime
- wc_printf("<getlastmodified>");
+ wc_printf("<D:getlastmodified>");
escputs(datestring);
- wc_printf("</getlastmodified>");
+ wc_printf("</D:getlastmodified>");
*/
- wc_printf("</prop>");
- wc_printf("</propstat>");
- wc_printf("</response>");
-
- /* Transmit the collection listing (FIXME check depth and starting point) */
-
- MsgNum = NewStrBuf();
- serv_puts("MSGS ALL");
-
- StrBuf_ServGetln(MsgNum);
- if (GetServerStatus(MsgNum, NULL) == 1)
- while (BufLen = StrBuf_ServGetln(MsgNum),
- ((BufLen >= 0) &&
- ((BufLen != 3) || strcmp(ChrPtr(MsgNum), "000")) ))
- {
- msgs = realloc(msgs, ++num_msgs * sizeof(long));
- msgs[num_msgs-1] = StrTol(MsgNum);
- }
+ wc_printf("</D:prop>");
+ wc_printf("</D:propstat>");
+ wc_printf("</D:response>");
- if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
+ /* If a depth greater than zero was specified, transmit the collection listing */
- syslog(LOG_DEBUG, "PROPFIND enumerating message # %ld", msgs[i]);
- strcpy(uid, "");
- now = (-1);
- serv_printf("MSG0 %ld|3", msgs[i]);
+ if (WCC->Hdr->HR.dav_depth > 0) {
+ MsgNum = NewStrBuf();
+ serv_puts("MSGS ALL");
+
StrBuf_ServGetln(MsgNum);
if (GetServerStatus(MsgNum, NULL) == 1)
while (BufLen = StrBuf_ServGetln(MsgNum),
- ((BufLen >= 0) &&
- ((BufLen != 3) || strcmp(ChrPtr(MsgNum), "000")) ))
+ ((BufLen >= 0) &&
+ ((BufLen != 3) || strcmp(ChrPtr(MsgNum), "000")) ))
{
- if (!strncasecmp(ChrPtr(MsgNum), "exti=", 5)) {
- strcpy(uid, &ChrPtr(MsgNum)[5]);
- }
- else if (!strncasecmp(ChrPtr(MsgNum), "time=", 5)) {
- now = atol(&ChrPtr(MsgNum)[5]);
+ msgs = realloc(msgs, ++num_msgs * sizeof(long));
+ msgs[num_msgs-1] = StrTol(MsgNum);
}
- }
-
- if (!IsEmptyStr(uid)) {
- wc_printf("<response>");
- wc_printf("<href>");
- dav_identify_host();
- wc_printf("/groupdav/");
- urlescputs(ChrPtr(WCC->CurRoom.name));
- euid_escapize(encoded_uid, uid);
- wc_printf("/%s", encoded_uid);
- wc_printf("</href>");
- switch(WCC->CurRoom.defview) {
- case VIEW_CALENDAR:
- wc_printf("<getcontenttype>text/x-ical</getcontenttype>");
- break;
- case VIEW_TASKS:
- wc_printf("<getcontenttype>text/x-ical</getcontenttype>");
- break;
- case VIEW_ADDRESSBOOK:
- wc_printf("<getcontenttype>text/x-vcard</getcontenttype>");
- break;
+
+ if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
+
+ syslog(LOG_DEBUG, "PROPFIND enumerating message # %ld", msgs[i]);
+ strcpy(uid, "");
+ now = (-1);
+ serv_printf("MSG0 %ld|3", msgs[i]);
+ StrBuf_ServGetln(MsgNum);
+ if (GetServerStatus(MsgNum, NULL) == 1)
+ while (BufLen = StrBuf_ServGetln(MsgNum),
+ ((BufLen >= 0) &&
+ ((BufLen != 3) || strcmp(ChrPtr(MsgNum), "000")) ))
+ {
+ if (!strncasecmp(ChrPtr(MsgNum), "exti=", 5)) {
+ strcpy(uid, &ChrPtr(MsgNum)[5]);
+ }
+ else if (!strncasecmp(ChrPtr(MsgNum), "time=", 5)) {
+ now = atol(&ChrPtr(MsgNum)[5]);
}
- wc_printf("<propstat>");
- wc_printf("<status>HTTP/1.1 200 OK</status>");
- wc_printf("<prop>");
- wc_printf("<getetag>\"%ld\"</getetag>", msgs[i]);
- if (now > 0L) {
- http_datestring(datestring, sizeof datestring, now);
- wc_printf("<getlastmodified>");
- escputs(datestring);
- wc_printf("</getlastmodified>");
+ }
+
+ if (!IsEmptyStr(uid)) {
+ wc_printf("<D:response>");
+ wc_printf("<D:href>");
+ dav_identify_host();
+ wc_printf("/groupdav/");
+ urlescputs(ChrPtr(WCC->CurRoom.name));
+ euid_escapize(encoded_uid, uid);
+ wc_printf("/%s", encoded_uid);
+ wc_printf("</D:href>");
+ switch(WCC->CurRoom.defview) {
+ case VIEW_CALENDAR:
+ wc_printf("<D:getcontenttype>text/x-ical</D:getcontenttype>");
+ break;
+ case VIEW_TASKS:
+ wc_printf("<D:getcontenttype>text/x-ical</D:getcontenttype>");
+ break;
+ case VIEW_ADDRESSBOOK:
+ wc_printf("<D:getcontenttype>text/x-vcard</D:getcontenttype>");
+ break;
}
- wc_printf("</prop>");
- wc_printf("</propstat>");
- wc_printf("</response>");
+ wc_printf("<D:propstat>");
+ wc_printf("<D:status>HTTP/1.1 200 OK</D:status>");
+ wc_printf("<D:prop>");
+ wc_printf("<D:getetag>\"%ld\"</D:getetag>", msgs[i]);
+ if (now > 0L) {
+ http_datestring(datestring, sizeof datestring, now);
+ wc_printf("<D:getlastmodified>");
+ escputs(datestring);
+ wc_printf("</D:getlastmodified>");
+ }
+ wc_printf("</D:prop>");
+ wc_printf("</D:propstat>");
+ wc_printf("</D:response>");
+ }
}
+ FreeStrBuf(&MsgNum);
}
- FreeStrBuf(&MsgNum);
- wc_printf("</multistatus>\n");
+ wc_printf("</D:multistatus>\n");
end_burst();
if (msgs != NULL) {
projects / citadel.git / commitdiff