#include "webcit.h"
+// Shorthand for the XML namespace of CalDAV
+#define CAL "urn:ietf:params:xml:ns:caldav:"
+#define CALLEN sizeof(CAL)-1
// A CalDAV REPORT can only be one type. This is stored in the report_type member.
enum cr_type {
int i;
char indent[256];
indent[0] = 0;
- for (i=0; i<crp->tag_nesting_level; ++i) {
+ lor (i=0; i<crp->tag_nesting_level; ++i) {
strcat(indent, " ");
}
syslog(LOG_DEBUG, "%s<%s>", indent, el);
#endif
// 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")) {
+ if (!strcasecmp(el, CAL"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")) {
+ else if (!strcasecmp(el, CAL"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")) {
+ else if (!strcasecmp(el, CAL"free-busy-query")) {
crp->report_type = cr_freebusy_query;
}
- // RFC4791 9.7 create a filter array if this query contains a "CALDAV:filter" stanza
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:filter")) {
+ // RFC4791 9.7 create a filter array if this query contains a "filter" stanza
+ else if (!strcasecmp(el, CAL"filter")) {
crp->filters = array_new(SIZ);
}
- // RFC4791 9.7.1 CALDAV:comp-filter XML Element
- else if ( (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:comp-filter"))
- && (crp->filters)
- && (attr[0])
- && (attr[1])
+ // Handle the filters defined in RFC4791 9.7.1 through 9.7.5
+ else if ( ( (!strcasecmp(el, CAL"comp-filter"))
+ || (!strcasecmp(el, CAL"prop-filter"))
+ || (!strcasecmp(el, CAL"param-filter"))
+ || (!strcasecmp(el, CAL"is-not-defined"))
+ || (!strcasecmp(el, CAL"text-match"))
+ )
+ && (crp->filters) // Make sure we actually allocated an array
) {
char newfilter[SIZ];
- snprintf(newfilter, SIZ, "comp-filter|%s|%s", attr[0], attr[1]);
- array_append(crp->filters, newfilter);
- syslog(LOG_DEBUG, "%s", newfilter);
- }
-
- // RFC4791 9.7.2 CALDAV:prop-filter XML Element
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:prop-filter")) {
- if (crp->filters) {
- char newfilter[SIZ];
- snprintf(newfilter, SIZ, "hi there");
- array_append(crp->filters, newfilter);
- }
- }
-
- // RFC4791 9.7.3 CALDAV:param-filter XML Element
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:param-filter")) {
- if (crp->filters) {
- char newfilter[SIZ];
- snprintf(newfilter, SIZ, "hi there");
- array_append(crp->filters, newfilter);
- }
- }
-
- // RFC4791 9.7.4 CALDAV:is-not-defined XML Element
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:is-not-defined")) {
- if (crp->filters) {
- char newfilter[SIZ];
- snprintf(newfilter, SIZ, "hi there");
- array_append(crp->filters, newfilter);
+ int a = 0;
+ int len = snprintf(newfilter, SIZ, &el[CALLEN]); // strip off the namespace for our purposes
+ while (attr[a]) {
+ len += snprintf(&newfilter[len], SIZ-len, "|%s", attr[a++]); // now save the attributes
}
+ array_append(crp->filters, newfilter);
}
- // RFC4791 9.7.5 CALDAV:text-match XML Element
- else if (!strcasecmp(el, "urn:ietf:params:xml:ns:caldav:text-match")) {
- if (crp->filters) {
- char newfilter[SIZ];
- snprintf(newfilter, SIZ, "hi there");
- array_append(crp->filters, newfilter);
- }
- }
}
}
-void caldav_apply_filter(struct cr_params *crp, char *xml_body, long xml_length) {
- TRACE;
+// Called by caldav_apply_filters() to apply ONE filter.
+// Returns 0 if the calendar item does not match the filter.
+// Returns 1 if the calendar item DOES match the filter.
+int caldav_apply_one_filter(void *cal, char *filter) {
+ syslog(LOG_DEBUG, "applying filter: %s", filter);
+
+ char this_filter[SIZ]; // we have to copy the filter string because we will destructively tokenize it
+ safestrncpy(this_filter, filter, sizeof(this_filter));
+
+ char *t[10] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL } ;
+ char *f = this_filter;
+ int num_tokens = 0;
+ while ( (t[num_tokens]=strtok_r(f, "|", &f)) && (num_tokens<10) ) {
+ ++num_tokens;
+ }
+
+ // BEGIN experimental block -- see what happens when we cast to the wrong type
+
+ //icalcomponent *foo_comp = (icalcomponent *) cal;
+ //icalproperty *foo_prop = (icalproperty *) cal;
+ //icalparameter *foo_param = (icalparameter *) cal;
+
+ // END experimental block
+
+ // Handle the individual filters defined in RFC4791 9.7.1 through 9.7.5
+
+ if (!strcasecmp(t[0], "comp-filter")) { // RFC4791 9.7.1 - filter by component
+ syslog(LOG_DEBUG, "component filter FIXME not implemented yet");
+ if (icalcomponent_isa_component(cal)) {
+ syslog(LOG_DEBUG, "\033[32m yes this is a component \033[0m");
+ }
+ else {
+ syslog(LOG_DEBUG, "\033[31m no this is not a component \033[0m");
+ }
+ }
+
+ else if (!strcasecmp(t[0], "prop-filter")) { // RFC4791 9.7.2 - filter by property
+ syslog(LOG_DEBUG, "property filter FIXME not implemented yet");
+ }
+
+ else if (!strcasecmp(t[0], "param-filter")) { // RFC4791 9.7.3 - filter by parameter
+ syslog(LOG_DEBUG, "parameter filter FIXME not implemented yet");
+ }
+
+ else if (!strcasecmp(t[0], "is-not-defined")) { // RFC4791 9.7.4
+ syslog(LOG_DEBUG, "is-not-defined filter FIXME not implemented yet");
+ }
+
+ else if (!strcasecmp(t[0], "text-match")) { // RFC4791 9.7.5
+ syslog(LOG_DEBUG, "text match filter FIXME not implemented yet");
+ }
+
+ return(1);
+}
+
+
+// Recursive function to apply CalDAV FILTERS to a calendar item.
+// Returns zero if the calendar item was disqualified by a filter, nonzero if the calendar item still qualifies.
+int caldav_apply_filters(void *cal, Array *filters, int index) {
+
+ // Apply *this* filter.
+ if (caldav_apply_one_filter(cal, array_get_element_at(filters, index)) == 0) {
+ return(0);
+ }
+
+ // If we get to this point, the current filter has passed, and we move on to the next one.
+ if (index < array_len(filters)-1) {
+ return(caldav_apply_filters(cal, filters, index+1));
+ }
+
+ // If we got this far, every filter passed, and the calendar item qualifies for output.
+ return(1);
}
// Does this calendar item qualify for output?
int qualify = 1;
- // FIXME put filters here
- if (crp.filters) {
- // apply the filters
- }
+ // If there was a filter stanza, run this calendar item through the filters.
+ qualify = caldav_apply_filters(cal, crp.filters, 0);
+ syslog(LOG_DEBUG, "Message %ld does%s qualify", m, (qualify ? "" : " NOT"));
// Did this calendar item match the query? If so, output it.
if (qualify) {
projects / citadel.git / blobdiff