Refining XML rules
authorArt Cancro <ajc@citadel.org>
Mon, 26 Feb 2024 23:00:19 +0000 (18:00 -0500)
committerArt Cancro <ajc@citadel.org>
Mon, 26 Feb 2024 23:00:19 +0000 (18:00 -0500)
webcit-ng/server/caldav_reports.c

index 76a0ee43d1438a9c65999552254827f3b752d6b9..0c281efb43554c6f392f1f80f18f13705bff0b4f 100644 (file)
@@ -81,6 +81,7 @@ void caldav_xml_start(void *data, const char *el, const char **attr) {
                                || (!strcasecmp(el, CAL"param-filter"))
                                || (!strcasecmp(el, CAL"is-not-defined"))
                                || (!strcasecmp(el, CAL"text-match"))
+                               || (!strcasecmp(el, CAL"time-range"))
                        )
                        && (crp->filters)                       // Make sure we actually allocated an array
        ) {
@@ -274,11 +275,12 @@ void caldav_report_one_item(struct http_transaction *h, struct ctdlsession *c, S
 
 // 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 start_at_level) {
+int caldav_apply_filters(void *cal, Array *filters, int apply_at_level) {
 
        int f = 0;                                      // filter number iterator
        int qual = 1;                                   // 0 for disqualify, 1 for qualify
        int previous_level = -1;
+       int disregard_further_comp_filters = 0;
 
        while ( (f<array_len(filters)) && (qual) ) {
 
@@ -291,37 +293,38 @@ int caldav_apply_filters(void *cal, Array *filters, int start_at_level) {
                while ( (t[num_tokens]=strtok_r(ft, "|", &ft)) && (num_tokens<10) ) {
                        ++num_tokens;
                }
-               int level = atoi(t[0]);
-               syslog(LOG_DEBUG, "caldav_apply_filters() filter=%d, level=%d, <%s>", f, level, array_get_element_at(filters, f) );
+               int this_rule_level = atoi(t[0]);
+               syslog(LOG_DEBUG, "caldav_apply_filters() filter=%d, level=%d, <%s>", f, this_rule_level, array_get_element_at(filters, f) );
 
                // Handle the individual filters defined in RFC4791 9.7.1 through 9.7.5
 
-               if (level < previous_level) {
+               if (apply_at_level < previous_level) {
                        syslog(LOG_DEBUG, "caldav: walking back down");
                        return(qual);
                }
 
-               else if (level < start_at_level) {
-                       syslog(LOG_DEBUG, "caldav: start_at_level=%d, level=%d, skipping this rule", start_at_level, level);
+               else if (this_rule_level != apply_at_level) {
+                       syslog(LOG_DEBUG, "caldav: apply_at_level=%d, this_rule_level=%d, skipping this rule", apply_at_level, this_rule_level);
                }
 
-               else if (!strcasecmp(t[1], "comp-filter")) {                            // RFC4791 9.7.1 - filter by component
-                       syslog(LOG_DEBUG, "component filter at level %d", level);
+               else if (       (!strcasecmp(t[1], "comp-filter"))
+                               && (!disregard_further_comp_filters)
+                       ) {                                                     // RFC4791 9.7.1 - filter by component
+                       syslog(LOG_DEBUG, "component filter at level %d", this_rule_level);
 
                        // Root element is NOT a component, but the root filter is "comp-filter" -- reject!
-                       if ( (!icalcomponent_isa_component(cal)) && (level == 0) ) {
+                       if ( (!icalcomponent_isa_component(cal)) && (this_rule_level == 0) ) {
                                syslog(LOG_DEBUG, "caldav: root element is not a component, rejecting");
                                return(0);
                        }
 
                        // Current element is a component and the filter is "comp-filter" -- see if it matches the requested type
                        if (    (icalcomponent_isa_component(cal))
-                               //&& (level == 0)
                                && (!strcasecmp(t[2], "name"))
                        ) {
                                if (icalcomponent_isa(cal) == icalcomponent_string_to_kind(t[3]) ) {
                                        syslog(LOG_DEBUG, "caldav: component at level %d is <%s>, looking for <%s>, recursing...",
-                                               start_at_level,
+                                               apply_at_level,
                                                icalcomponent_kind_to_string(icalcomponent_isa(cal)), t[3]
                                        );
 
@@ -335,13 +338,15 @@ int caldav_apply_filters(void *cal, Array *filters, int start_at_level) {
                                                c = icalcomponent_get_next_component(cal, ICAL_ANY_COMPONENT)
                                        ) {
                                                ++number_of_subcomponents;
-                                               if (caldav_apply_filters(c, filters, level+1)) {
+                                               if (caldav_apply_filters(c, filters, apply_at_level+1)) {
                                                        syslog(LOG_DEBUG, "Subcomponent %d might match", number_of_subcomponents);
                                                        ++number_of_matches;
                                                }
                                        }
                                        if (number_of_matches > 0) {                    // something matched
                                                qual = 1;
+                                               disregard_further_comp_filters = 1;
+
                                        }
                                        else if (number_of_subcomponents > 0) {         // nothing matched
                                                return(0);                              // but only fail if there *were* subcomponents.
@@ -350,7 +355,7 @@ int caldav_apply_filters(void *cal, Array *filters, int start_at_level) {
                                }
                                else {
                                        syslog(LOG_DEBUG, "caldav: component at level %d is <%s>, looking for <%s>, rejecting",
-                                               start_at_level,
+                                               apply_at_level,
                                                icalcomponent_kind_to_string(icalcomponent_isa(cal)),
                                                t[3]
                                        );
@@ -376,10 +381,14 @@ int caldav_apply_filters(void *cal, Array *filters, int start_at_level) {
                        syslog(LOG_DEBUG, "text match filter FIXME not implemented yet");
                }
 
+               else if (!strcasecmp(t[1], "time-range")) {
+                       syslog(LOG_DEBUG, "time range filter \033[33mFIXME\033[0m not implemented yet");
+               }
+
                ++f;
        }
 
-       syslog(LOG_DEBUG, "caldav: we reached the end of level %d , returning %d", start_at_level, qual);
+       syslog(LOG_DEBUG, "caldav: we reached the end of level %d , returning %d", apply_at_level, qual);
        return(qual);
 }