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res_calendar: Various fixes

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* The way that we were looking at XML elements for CalDAV was extremely
  fragile, so use SAX2 for increased robustness.

* Don't complain about a 'channel' not be specified if autoreminder is
  not set. Assume that if 'channel' is not set, we don't want to be
  notified.

* Fix some truncated CLI output in 'calendar show calendar' and make the
  'Autoreminder' description a bit more clear

ASTERISK-24588 #close
Reported by: Stefan Gofferje

ASTERISK-25523 #close
Reported by: Jesper

Change-Id: I200d11afca6a47e7d97888f286977e2e69874b2c
certified/13.18
Sean Bright 8 years ago
parent 1aef4fe9df
commit db785ddb92
2 changed files with 50 additions and 13 deletions
Show Stats Download Patch File Download Diff File

23
res/res_calendar.c
Unescape View File

@ -482,6 +482,13 @@ static struct ast_calendar *build_calendar(struct ast_config *cfg, const char *c
}
}
if (cal->autoreminder && ast_strlen_zero(cal->notify_channel)) {
ast_log(LOG_WARNING,
"You have set 'autoreminder' but not 'channel' for calendar '%s.' "
"Notifications will not occur.\n",
cal->name);
}
if (new_calendar) {
cal->thread = AST_PTHREADT_NULL;
ast_cond_init(&cal->unload, NULL);
@ -489,7 +496,7 @@ static struct ast_calendar *build_calendar(struct ast_config *cfg, const char *c
if (ast_pthread_create(&cal->thread, NULL, cal->tech->load_calendar, cal)) {
/* If we start failing to create threads, go ahead and return NULL
* and the tech module will be unregistered
*/
*/
ao2_unlink(calendars, cal);
cal = unref_calendar(cal);
}
@ -948,7 +955,7 @@ static int schedule_calendar_event(struct ast_calendar *cal, struct ast_calendar
event = cmp_event ? cmp_event : old_event;
ao2_lock(event);
if (!cmp_event || old_event->alarm != event->alarm) {
if (!ast_strlen_zero(cal->notify_channel) && (!cmp_event || old_event->alarm != event->alarm)) {
changed = 1;
if (cal->autoreminder) {
alarm_notify_sched = (event->start - (60 * cal->autoreminder) - now.tv_sec) * 1000;
@ -957,7 +964,7 @@ static int schedule_calendar_event(struct ast_calendar *cal, struct ast_calendar
}
/* For now, send the notification if we missed it, but the meeting hasn't happened yet */
if (event->start >= now.tv_sec) {
if (event->start >= now.tv_sec) {
if (alarm_notify_sched <= 0) {
alarm_notify_sched = 1;
}
@ -1590,7 +1597,7 @@ static char *epoch_to_string(char *buf, size_t buflen, time_t epoch)
static char *handle_show_calendar(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
#define FORMAT "%-17.17s : %-20.20s\n"
#define FORMAT "%-18.18s : %-20.20s\n"
#define FORMAT2 "%-12.12s: %-40.60s\n"
struct ao2_iterator i;
struct ast_calendar *cal;
@ -1639,7 +1646,13 @@ static char *handle_show_calendar(struct ast_cli_entry *e, int cmd, struct ast_c
ast_cli(a->fd, FORMAT, "Notify appdata", cal->notify_appdata);
ast_cli(a->fd, "%-17.17s : %d\n", "Refresh time", cal->refresh);
ast_cli(a->fd, "%-17.17s : %d\n", "Timeframe", cal->timeframe);
ast_cli(a->fd, "%-17.17s : %d\n", "Autoreminder", cal->autoreminder);
if (cal->autoreminder) {
ast_cli(a->fd, "%-17.17s : %d minutes before event\n", "Autoreminder", cal->autoreminder);
} else {
ast_cli(a->fd, "%-17.17s : None\n", "Autoreminder");
}
ast_cli(a->fd, "%s\n", "Events");
ast_cli(a->fd, "%s\n", "------");

40
res/res_calendar_caldav.c
Unescape View File

@ -158,6 +158,7 @@ static struct ast_str *caldav_request(struct caldav_pvt *pvt, const char *method
ne_add_response_body_reader(req, debug_response_handler, fetch_response_reader, &response);
ne_set_request_body_buffer(req, ast_str_buffer(req_body), ast_str_strlen(req_body));
ne_add_request_header(req, "Content-type", ast_strlen_zero(content_type) ? "text/xml" : content_type);
ne_add_request_header(req, "Depth", "1");
ret = ne_request_dispatch(req);
ne_request_destroy(req);
@ -478,17 +479,26 @@ struct xmlstate {
time_t end;
};
static void handle_start_element(void *data, const xmlChar *fullname, const xmlChar **atts)
static const xmlChar *caldav_node_localname = BAD_CAST "calendar-data";
static const xmlChar *caldav_node_nsuri = BAD_CAST "urn:ietf:params:xml:ns:caldav";
static void handle_start_element(void *data,
const xmlChar *localname, const xmlChar *prefix, const xmlChar *uri,
int nb_namespaces, const xmlChar **namespaces,
int nb_attributes, int nb_defaulted, const xmlChar **attributes)
{
struct xmlstate *state = data;
if (!xmlStrcasecmp(fullname, BAD_CAST "C:calendar-data") || !xmlStrcasecmp(fullname, BAD_CAST "caldav:calendar-data")) {
state->in_caldata = 1;
ast_str_reset(state->cdata);
if (xmlStrcmp(localname, caldav_node_localname) || xmlStrcmp(uri, caldav_node_nsuri)) {
return;
}
state->in_caldata = 1;
ast_str_reset(state->cdata);
}
static void handle_end_element(void *data, const xmlChar *name)
static void handle_end_element(void *data,
const xmlChar *localname, const xmlChar *prefix, const xmlChar *uri)
{
struct xmlstate *state = data;
struct icaltimetype start, end;
@ -496,7 +506,7 @@ static void handle_end_element(void *data, const xmlChar *name)
icalcomponent *iter;
icalcomponent *comp;
if (xmlStrcasecmp(name, BAD_CAST "C:calendar-data") && xmlStrcasecmp(name, BAD_CAST "caldav:calendar-data")) {
if (xmlStrcmp(localname, caldav_node_localname) || xmlStrcmp(uri, caldav_node_nsuri)) {
return;
}
@ -559,9 +569,23 @@ static int update_caldav(struct caldav_pvt *pvt)
state.start = start;
state.end = end;
/*
* We want SAX2, so you assume that we want to call xmlSAXVersion() here, and
* that certainly seems like the right thing to do, but the default SAX
* handling functions assume that the 'data' pointer is going to be a
* xmlParserCtxtPtr, not a user data pointer, so we have to make sure that we
* are only calling the handlers that we control.
*
* So instead we hack things up a bit, clearing the struct and then assigning
* the magic number manually.
*
* There may be a cleaner way to do this, but frankly the libxml2 docs are
* pretty sparse.
*/
memset(&saxHandler, 0, sizeof(saxHandler));
saxHandler.startElement = handle_start_element;
saxHandler.endElement = handle_end_element;
saxHandler.initialized = XML_SAX2_MAGIC;
saxHandler.startElementNs = handle_start_element;
saxHandler.endElementNs = handle_end_element;
saxHandler.characters = handle_characters;
xmlSAXUserParseMemory(&saxHandler, &state, ast_str_buffer(response), ast_str_strlen(response));

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