// This file contains functions which handle all of the CalDAV "REPORT" queries
// specified in RFC4791 section 7.
//
-// Copyright (c) 2023 by the citadel.org team
+// Copyright (c) 2023-2024 by the citadel.org team
//
// This program is open source software. Use, duplication, or
-// disclosure are subject to the GNU General Public License v3.
+// disclosure is subject to the GNU General Public License v3.
#include "webcit.h"
int tag_nesting_level; // not needed, just kept for pretty-printing
enum cr_type report_type; // which RFC4791 section 7 REPORT are we generating
StrBuf *Chardata; // XML chardata in between tags is built up here
- StrBuf *Hrefs; // list of items requested by a calendar-multiget report
+ StrBuf *Hrefs; // list of items requested by a `calendar-multiget` REPORT
};
syslog(LOG_DEBUG, " Attribute '%s' = '%s'", attr[i], attr[i + 1]);
}
- if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:calendar-multiget")) {
- crp->report_type = cr_calendar_multiget;
+ // RFC4791 7.8 "calendar-query" REPORT - Client will send a lot of search criteria.
+ if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:calendar-query")) {
+ crp->report_type = cr_calendar_query;
}
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:calendar-query")) {
- crp->report_type = cr_calendar_query;
+ // RFC4791 7.9 "calendar-multiget" REPORT - Client will supply a list of specific hrefs.
+ else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:calendar-multiget")) {
+ crp->report_type = cr_calendar_multiget;
}
+ // RFC4791 7.10 "free-busy-query" REPORT
else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:free-busy-query")) {
crp->report_type = cr_freebusy_query;
}
}
-// Called by caldav_response() to fetch a message (by number) in the current room,
+// Called by caldav_report_one_item() to fetch a message (by number) in the current room,
// and return only the icalendar data as a StrBuf. Returns NULL if not found.
//
// NOTE: this function expects that "MSGP text/calendar" was issued at the beginning
// of a REPORT operation to set our preferred MIME type to calendar data.
-StrBuf *fetch_ical(struct ctdlsession * c, long msgnum) {
+StrBuf *fetch_ical(struct ctdlsession *c, long msgnum) {
char buf[1024];
StrBuf *Buf = NULL;
}
while (ctdl_readline(c, buf, sizeof(buf)), strcmp(buf, "000")) {
- if (Buf != NULL) { // already in body
+ if (Buf != NULL) { // already in body
StrBufAppendPrintf(Buf, "%s\n", buf);
}
else if (IsEmptyStr(buf)) { // beginning of body
}
return Buf;
-
-// webcit[13039]: msgn=53CE87AF-00392161@uncensored.citadel.org
-// webcit[13039]: path=IGnatius T Foobar
-// webcit[13039]: time=1208008800
-// webcit[13039]: from=IGnatius T Foobar
-// webcit[13039]: room=0000000001.Calendar
-// webcit[13039]: node=uncnsrd
-// webcit[13039]: hnod=Uncensored
-// webcit[13039]: exti=040000E00074C5B7101A82E0080000000080C728F83E84C801000000000000000010000000E857E0DC57F53947ADF0BB91EE3A502F
-// webcit[13039]: subj==?UTF-8?B?V2VzbGV5J3MgYmlydGhkYXkgcGFydHk=
-// webcit[13039]: ?=
-// webcit[13039]: part=||1||text/calendar|1127||
-// webcit[13039]: text
-// webcit[13039]: Content-type: text/calendar
-// webcit[13039]: Content-length: 1127
-// webcit[13039]: Content-transfer-encoding: 7bit
-// webcit[13039]: X-Citadel-MSG4-Partnum: 1
-// webcit[13039]:
-// webcit[13039]: BEGIN:VCALENDAR
}
-// Called by caldav_report() to output a single item.
-// Our policy is to throw away the list of properties the client asked for, and just send everything.
-void caldav_response(struct http_transaction *h, struct ctdlsession *c, StrBuf * ReportOut, StrBuf * ThisHref) {
- long msgnum;
- StrBuf *Caldata = NULL;
- char *euid;
-
- euid = strrchr(ChrPtr(ThisHref), '/');
- if (euid != NULL) {
- ++euid;
- }
- else {
- euid = (char *) ChrPtr(ThisHref);
- }
-
- char *unescaped_euid = strdup(euid);
- if (!unescaped_euid) {
- return;
- }
- unescape_input(unescaped_euid);
+// Called by multiple REPORT types to actually perform the output in "multiget" format.
+// We need to already know the source message number and the href, but also already have the output data.
+void cal_multiget_out(long msgnum, StrBuf *ThisHref, StrBuf *Caldata, StrBuf *ReportOut) {
StrBufAppendPrintf(ReportOut, "<D:response>");
StrBufAppendPrintf(ReportOut, "<D:href>");
StrBufAppendPrintf(ReportOut, "</D:href>");
StrBufAppendPrintf(ReportOut, "<D:propstat>");
- msgnum = locate_message_by_uid(c, unescaped_euid);
- free(unescaped_euid);
- if (msgnum > 0) {
- Caldata = fetch_ical(c, msgnum);
- }
-
if (Caldata != NULL) {
- // syslog(LOG_DEBUG, "caldav_response(%s) 200 OK", ChrPtr(ThisHref));
+ // syslog(LOG_DEBUG, "caldav_report_one_item(%s) 200 OK", ChrPtr(ThisHref));
StrBufAppendPrintf(ReportOut, "<D:status>");
StrBufAppendPrintf(ReportOut, "HTTP/1.1 200 OK");
StrBufAppendPrintf(ReportOut, "</D:status>");
Caldata = NULL;
}
else {
- // syslog(LOG_DEBUG, "caldav_response(%s) 404 not found", ChrPtr(ThisHref));
+ // syslog(LOG_DEBUG, "caldav_report_one_item(%s) 404 not found", ChrPtr(ThisHref));
StrBufAppendPrintf(ReportOut, "<D:status>");
StrBufAppendPrintf(ReportOut, "HTTP/1.1 404 not found");
StrBufAppendPrintf(ReportOut, "</D:status>");
}
+// Called by caldav_report() to output a single item.
+// Our policy is to throw away the list of properties the client asked for, and just send everything.
+void caldav_report_one_item(struct http_transaction *h, struct ctdlsession *c, StrBuf *ReportOut, StrBuf *ThisHref) {
+ long msgnum;
+ StrBuf *Caldata = NULL;
+ char *euid;
+
+ euid = strrchr(ChrPtr(ThisHref), '/');
+ if (euid != NULL) {
+ ++euid;
+ }
+ else {
+ euid = (char *) ChrPtr(ThisHref);
+ }
+
+ char *unescaped_euid = strdup(euid);
+ if (!unescaped_euid) {
+ return;
+ }
+ unescape_input(unescaped_euid);
+
+ msgnum = locate_message_by_uid(c, unescaped_euid);
+ free(unescaped_euid);
+ if (msgnum > 0) {
+ Caldata = fetch_ical(c, msgnum);
+ }
+ else {
+ Caldata = NULL;
+ }
+
+ cal_multiget_out(msgnum, ThisHref, Caldata, ReportOut);
+}
+
+
// Called by report_the_room_itself() in room_functions.c when a CalDAV REPORT method
// is requested on a calendar room. We fire up an XML Parser to decode the request and
// hopefully produce the correct output.
">"
);
- if (crp.Hrefs != NULL) { // Output all qualifying calendar items!
+ // RFC4791 7.8 "calendar-query" REPORT - Client will send a lot of search criteria.
+ if (crp.report_type == cr_calendar_query) {
+ int i = 0;
+ Array *msglist = get_msglist(c, "ALL");
+ if (msglist != NULL) {
+ for (i = 0; i < array_len(msglist); ++i) {
+ long m;
+ memcpy(&m, array_get_element_at(msglist, i), sizeof(long));
+
+ // Begin -- evaluate the calendar item
+
+ syslog(LOG_DEBUG, "evaluating message %ld", m);
+ StrBuf *one_item;
+ one_item = fetch_ical(c, m);
+ syslog(LOG_DEBUG, "calendar item:\n---\n\033[33m%s\n---\033[0m", ChrPtr(one_item));
+ FreeStrBuf(&one_item);
+
+ // End - evaluate the calendar item
+
+ }
+ array_free(msglist);
+ }
+ }
+
+ // RFC4791 7.9 "calendar-multiget" REPORT - go get the specific Hrefs the client asked for.
+ // Can we move this back into citserver too?
+ else if ( (crp.report_type == cr_calendar_multiget) && (crp.Hrefs != NULL) ) {
+
StrBuf *ThisHref = NewStrBuf();
const char *pvset = NULL;
while (StrBufExtract_NextToken(ThisHref, crp.Hrefs, &pvset, '|') >= 0) {
- caldav_response(h, c, ReportOut, ThisHref);
+ StrBufTrim(ThisHref); // remove leading/trailing whitespace from the href
+ caldav_report_one_item(h, c, ReportOut, ThisHref);
}
FreeStrBuf(&ThisHref);
+ }
+
+ // RFC4791 7.10 "free-busy-query" REPORT
+ else if (crp.report_type == cr_freebusy_query) {
+ // FIXME build this REPORT. At the moment we send an empty multistatus.
+ }
+
+ // Free any query parameters that might have been allocated during the xml parse
+ if (crp.Hrefs != NULL) {
FreeStrBuf(&crp.Hrefs);
crp.Hrefs = NULL;
}
- StrBufAppendPrintf(ReportOut, "</D:multistatus>\n"); // End the REPORT.
+ StrBufAppendPrintf(ReportOut, "</D:multistatus>\n"); // End the REPORT.
add_response_header(h, strdup("Content-type"), strdup("text/xml"));
h->response_code = 207;
projects / citadel.git / blobdiff