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profanity/src/xmpp/contact.c

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/*
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* contact.c
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* vim: expandtab:ts=4:sts=4:sw=4
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*
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* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
*
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* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* 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.
*
* You should have received a copy of the GNU General Public License
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* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
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*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
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*/
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#include <assert.h>
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#include <stdlib.h>
#include <string.h>
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#include <glib.h>
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#include "common.h"
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#include "tools/autocomplete.h"
#include "xmpp/resource.h"
#include "xmpp/contact.h"
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struct p_contact_t {
char *barejid;
gchar *barejid_collate_key;
char *name;
gchar *name_collate_key;
GSList *groups;
char *subscription;
char *offline_message;
gboolean pending_out;
GDateTime *last_activity;
GHashTable *available_resources;
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Autocomplete resource_ac;
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};
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PContact
p_contact_new(const char *const barejid, const char *const name,
GSList *groups, const char *const subscription,
const char *const offline_message, gboolean pending_out)
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{
PContact contact = malloc(sizeof(struct p_contact_t));
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contact->barejid = strdup(barejid);
contact->barejid_collate_key = g_utf8_collate_key(contact->barejid, -1);
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if (name) {
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contact->name = strdup(name);
contact->name_collate_key = g_utf8_collate_key(contact->name, -1);
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} else {
contact->name = NULL;
contact->name_collate_key = NULL;
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}
contact->groups = groups;
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if (subscription)
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contact->subscription = strdup(subscription);
else
contact->subscription = strdup("none");
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if (offline_message)
contact->offline_message = strdup(offline_message);
else
contact->offline_message = NULL;
contact->pending_out = pending_out;
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contact->last_activity = NULL;
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contact->available_resources = g_hash_table_new_full(g_str_hash, g_str_equal, free,
(GDestroyNotify)resource_destroy);
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contact->resource_ac = autocomplete_new();
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return contact;
}
void
p_contact_set_name(const PContact contact, const char *const name)
{
FREE_SET_NULL(contact->name);
FREE_SET_NULL(contact->name_collate_key);
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if (name) {
contact->name = strdup(name);
contact->name_collate_key = g_utf8_collate_key(contact->name, -1);
}
}
void
p_contact_set_groups(const PContact contact, GSList *groups)
{
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if (contact->groups) {
g_slist_free_full(contact->groups, g_free);
contact->groups = NULL;
}
contact->groups = groups;
}
gboolean
p_contact_in_group(const PContact contact, const char *const group)
{
GSList *groups = contact->groups;
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while (groups) {
if (strcmp(groups->data, group) == 0) {
return TRUE;
}
groups = g_slist_next(groups);
}
return FALSE;
}
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GSList*
p_contact_groups(const PContact contact)
{
return contact->groups;
}
gboolean
p_contact_remove_resource(PContact contact, const char *const resource)
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{
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gboolean result = g_hash_table_remove(contact->available_resources, resource);
autocomplete_remove(contact->resource_ac, resource);
return result;
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}
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void
p_contact_free(PContact contact)
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{
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if (contact) {
free(contact->barejid);
free(contact->barejid_collate_key);
free(contact->name);
free(contact->name_collate_key);
free(contact->subscription);
free(contact->offline_message);
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if (contact->groups) {
g_slist_free_full(contact->groups, g_free);
}
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if (contact->last_activity) {
g_date_time_unref(contact->last_activity);
}
g_hash_table_destroy(contact->available_resources);
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autocomplete_free(contact->resource_ac);
free(contact);
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}
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}
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const char*
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p_contact_barejid(const PContact contact)
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{
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return contact->barejid;
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}
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const char*
p_contact_barejid_collate_key(const PContact contact)
{
return contact->barejid_collate_key;
}
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const char*
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p_contact_name(const PContact contact)
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{
return contact->name;
}
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const char*
p_contact_name_collate_key(const PContact contact)
{
return contact->name_collate_key;
}
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const char*
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p_contact_name_or_jid(const PContact contact)
{
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if (contact->name) {
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return contact->name;
} else {
return contact->barejid;
}
}
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char*
p_contact_create_display_string(const PContact contact, const char *const resource)
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{
GString *result_str = g_string_new("");
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// use nickname if exists
const char *display_name = p_contact_name_or_jid(contact);
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g_string_append(result_str, display_name);
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// add resource if not default provided by profanity
if (strcmp(resource, "__prof_default") != 0) {
g_string_append(result_str, " (");
g_string_append(result_str, resource);
g_string_append(result_str, ")");
}
char *result = result_str->str;
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g_string_free(result_str, FALSE);
return result;
}
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static Resource*
_highest_presence(Resource *first, Resource *second)
{
if (first->presence == RESOURCE_CHAT) {
return first;
} else if (second->presence == RESOURCE_CHAT) {
return second;
} else if (first->presence == RESOURCE_ONLINE) {
return first;
} else if (second->presence == RESOURCE_ONLINE) {
return second;
} else if (first->presence == RESOURCE_AWAY) {
return first;
} else if (second->presence == RESOURCE_AWAY) {
return second;
} else if (first->presence == RESOURCE_XA) {
return first;
} else if (second->presence == RESOURCE_XA) {
return second;
} else {
return first;
}
}
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Resource*
_get_most_available_resource(PContact contact)
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{
// find resource with highest priority, if more than one,
// use highest availability, in the following order:
// chat
// online
// away
// xa
// dnd
GList *resources = g_hash_table_get_values(contact->available_resources);
GList *curr = resources;
Resource *current = curr->data;
Resource *highest = current;
curr = g_list_next(curr);
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while (curr) {
current = curr->data;
// priority is same as current highest, choose presence
if (current->priority == highest->priority) {
highest = _highest_presence(highest, current);
// priority higher than current highest, set new presence
} else if (current->priority > highest->priority) {
highest = current;
}
curr = g_list_next(curr);
}
g_list_free(resources);
return highest;
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}
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const char*
p_contact_presence(const PContact contact)
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{
assert(contact != NULL);
// no available resources, offline
if (g_hash_table_size(contact->available_resources) == 0) {
return "offline";
}
Resource *resource = _get_most_available_resource(contact);
return string_from_resource_presence(resource->presence);
}
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const char*
p_contact_status(const PContact contact)
{
assert(contact != NULL);
// no available resources, use offline message
if (g_hash_table_size(contact->available_resources) == 0) {
return contact->offline_message;
}
Resource *resource = _get_most_available_resource(contact);
return resource->status;
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}
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const char*
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p_contact_subscription(const PContact contact)
{
return contact->subscription;
}
gboolean
p_contact_subscribed(const PContact contact)
{
if (contact->subscription == NULL) {
return FALSE;
} else if (strcmp(contact->subscription, "to") == 0) {
return TRUE;
} else if (strcmp(contact->subscription, "both") == 0) {
return TRUE;
} else {
return FALSE;
}
}
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Resource*
p_contact_get_resource(const PContact contact, const char *const resource)
{
return g_hash_table_lookup(contact->available_resources, resource);
}
gboolean
p_contact_pending_out(const PContact contact)
{
return contact->pending_out;
}
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GDateTime*
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p_contact_last_activity(const PContact contact)
{
return contact->last_activity;
}
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GList*
p_contact_get_available_resources(const PContact contact)
{
assert(contact != NULL);
GList *resources = g_hash_table_get_values(contact->available_resources);
GList *ordered = NULL;
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GList *curr_resource = resources;
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while (curr_resource) {
Resource *resource = curr_resource->data;
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ordered = g_list_insert_sorted(ordered, resource, (GCompareFunc)resource_compare_availability);
curr_resource = g_list_next(curr_resource);
}
g_list_free(resources);
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return ordered;
}
gboolean
p_contact_is_available(const PContact contact)
{
// no available resources, unavailable
if (g_hash_table_size(contact->available_resources) == 0) {
return FALSE;
}
// if most available resource is CHAT or ONLINE, available
Resource *most_available = _get_most_available_resource(contact);
if ((most_available->presence == RESOURCE_ONLINE) ||
(most_available->presence == RESOURCE_CHAT)) {
return TRUE;
} else {
return FALSE;
}
}
gboolean
p_contact_has_available_resource(const PContact contact)
{
return (g_hash_table_size(contact->available_resources) > 0);
}
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void
p_contact_set_presence(const PContact contact, Resource *resource)
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{
g_hash_table_replace(contact->available_resources, strdup(resource->name), resource);
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autocomplete_add(contact->resource_ac, resource->name);
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}
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void
p_contact_set_subscription(const PContact contact, const char *const subscription)
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{
FREE_SET_NULL(contact->subscription);
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if (subscription) {
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contact->subscription = strdup(subscription);
}
}
void
p_contact_set_pending_out(const PContact contact, gboolean pending_out)
{
contact->pending_out = pending_out;
}
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void
p_contact_set_last_activity(const PContact contact, GDateTime *last_activity)
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{
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if (contact->last_activity) {
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g_date_time_unref(contact->last_activity);
contact->last_activity = NULL;
}
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if (last_activity) {
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contact->last_activity = g_date_time_ref(last_activity);
}
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}
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Autocomplete
p_contact_resource_ac(const PContact contact)
{
return contact->resource_ac;
}
void
p_contact_resource_ac_reset(const PContact contact)
{
autocomplete_reset(contact->resource_ac);
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}