/
xmpp-rosterx.c
1149 lines (924 loc) · 31.1 KB
/
xmpp-rosterx.c
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/*
* XMPP Roster Item Exchange plugin for Pidgin/libpurple
*
* Copyright (C) 2017 Dustin Gathmann
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*
*/
#include <glib.h>
#include "internal.h"
#include "debug.h"
#include "notify.h"
#include "request.h"
#include "plugin.h"
#include "version.h"
#include "xmpp-rosterx.h"
#define equals(X, Y) (g_strcmp0(X, Y) == 0) /* g_str_equal(), you suck */
#define PLUGIN_ID "core-dzzinstant-rosterx"
#define PLUGIN_AUTHOR "<dzsoftware@posteo.org>"
#define PLUGIN_VERSION "0.0.5"
#define PLUGIN_HOMEPAGE "https://github.com/dzzinstant/pidgin-rosterx-plugin"
#define NS_ROSTERX "http://jabber.org/protocol/rosterx"
#define NS_XMPP_STANZAS "urn:ietf:params:xml:ns:xmpp-stanzas"
#define NS_CARBONS "urn:xmpp:carbons:2"
//#define GROUPNAME_DEFAULT _("Buddies")
#define GROUPNAME_DEFAULT "RosterX Suggestions"
/*
* Preferences
*/
typedef enum {
COMPATIBLE_MESSAGE,
COMPATIBLE_XEP
} CompatibilitySetting;
#define PREFS_BASE "/plugins/core/dzzinstant-xmpp-rosterx"
#define PREF_COMPATIBLE PREFS_BASE "/compatible"
#define STRICT_XEP (purple_prefs_get_int(PREF_COMPATIBLE) == COMPATIBLE_XEP)
PurplePlugin *rosterx_plugin = NULL;
typedef struct _Item Item;
struct _Item {
char *jid;
char *alias;
GList *entries; /* entries are char* */
};
typedef struct _AuxData AuxData;
struct _AuxData {
PurpleConnection *pc;
char *target_jid;
};
typedef gboolean (*BuddyConditionFunc)(PurpleBuddy *);
typedef gboolean (*ItemConditionFunc)(Item *, PurpleAccount *);
static int global_entry_count = 0;
static int global_auxdata_count = 0;
static AuxData*
auxdata_new(PurpleConnection *pc)
{
AuxData *aux = g_new0(AuxData, 1);
aux->pc = pc;
purple_debug_misc(PLUGIN_ID, "auxdata_new(): now %d auxdata\n", ++global_auxdata_count);
return aux;
}
static void
auxdata_destroy(AuxData *aux)
{
g_free(aux->target_jid);
g_free(aux);
purple_debug_misc(PLUGIN_ID, "auxdata_destroy(): now %d auxdata\n", --global_auxdata_count);
}
static Item*
item_new(const char *key, const char *value)
{
Item *item = g_new0(Item, 1);
item->jid = g_strdup(key);
item->alias = g_strdup(value);
purple_debug_misc(PLUGIN_ID, "item_new(): now %d entries\n", ++global_entry_count);
return item;
}
static void
item_destroy(gpointer _item)
{
Item *item = (Item *) _item;
if (!item)
return;
g_free(item->jid);
g_free(item->alias);
g_list_free_full(item->entries, g_free);
g_free(item);
purple_debug_misc(PLUGIN_ID, "item_destroy(): now %d entries\n", --global_entry_count);
}
static void
item_add_group(Item *item, const char *groupname)
{
if (!g_list_find_custom(item->entries, groupname, (GCompareFunc) g_strcmp0)) {
item->entries = g_list_append(item->entries, g_strdup(groupname));
// purple_debug_misc(PLUGIN_ID, "item_add_group(): adding group %s to %s\n", groupname, item->jid);
}
}
static Item*
item_new_from_xitem(xmlnode *xitem)
{
Item *item;
xmlnode *xgroup;
const char *jid = xmlnode_get_attrib(xitem, "jid");
const char *alias = xmlnode_get_attrib(xitem, "name");
if (!jid) {
purple_debug_warning(PLUGIN_ID, "XEP-0144 MUST: Requested exchange action has no jid, ignoring!\n");
return NULL;
}
item = item_new(jid, alias);
for (xgroup = xmlnode_get_child(xitem, "group"); xgroup; xgroup = xmlnode_get_next_twin(xgroup)) {
const char *groupname = xmlnode_get_data(xgroup);
if (groupname)
item_add_group(item, groupname);
}
return item;
}
/*
* Itemlist methods
*/
static Item *
itemlist_find_by_jid(GList *itemlist, const char *jid)
{
GList *l;
for (l = g_list_first(itemlist); l; l = g_list_next(l)) {
Item *data = (Item *) l->data;
if (equals(jid, data->jid))
return data;
}
return NULL;
}
static void
itemlist_destroy(GList *list)
{
g_list_free_full(list, item_destroy);
}
static gboolean
_item_is_not_in_roster(Item *item, PurpleAccount *account)
{
g_return_val_if_fail(item, TRUE);
return (purple_find_buddy(account, item->jid) == NULL);
}
/* NOTE: Steals entries and deletes original grouplist */
static GList *
itemlist_filter(GList *list, ItemConditionFunc _item_condition, AuxData *aux)
{
GList *result = NULL, *ignored = NULL;
PurpleAccount *account = purple_connection_get_account(aux->pc);
GList *l = g_list_first(list);
do {
Item *item = (Item *) l->data;
if (_item_condition(item, account)) {
// purple_debug_misc(PLUGIN_ID, "grouplist_filter(): Item %s to filtered list\n", item->jid);
result = g_list_prepend(result, item);
} else {
// purple_debug_misc(PLUGIN_ID, "grouplist_filter(): Item %s will be ignored\n", item->jid);
ignored = g_list_prepend(ignored, item);
}
l = g_list_remove(l, item);
} while (l);
itemlist_destroy(ignored);
return g_list_reverse(result);
}
static char*
create_name_from_label(const char *label)
{
char *delimiter = g_strrstr(label, " <");
g_return_val_if_fail(delimiter, NULL);
return g_strndup(label, delimiter - label);
}
/*
* Data conversion path:
*
* blist ...> request ---> request ...> xnode
* v ^ v ^
* v itemlist ^ v itemlist ^
*
*
* xnode ...> searchresults ---> libpurple
* v ^
* v itemlist ^
*
*/
static gboolean
_buddy_is_xmpp(PurpleBuddy *b)
{
const char *protocol_id = purple_account_get_protocol_id(
purple_buddy_get_account(b));
return (equals("prpl-jabber", protocol_id) );
}
static GList *
itemlist_new_from_blist(BuddyConditionFunc _buddy_condition)
{
PurpleBlistNode *node;
const char *groupname = NULL;
GList *itemlist = NULL;
for (node = purple_blist_get_root(); node; node = purple_blist_node_next(node, TRUE) ) {
if (PURPLE_BLIST_NODE_IS_GROUP(node)) {
PurpleGroup *g = (PurpleGroup *) node;
groupname = purple_group_get_name(g);
g_warn_if_fail(groupname);
// purple_debug_misc(PLUGIN_ID, "blist -> itemlist: group %s\n", groupname);
}
else if (PURPLE_BLIST_NODE_IS_BUDDY(node)) {
PurpleBuddy *b = (PurpleBuddy *) node;
if (_buddy_condition(b)) {
const char *jid = purple_buddy_get_name(b);
const char *alias = purple_buddy_get_alias(b);
Item *item = itemlist_find_by_jid(itemlist, jid);
if (!item) {
item = item_new(jid, alias);
itemlist = g_list_append(itemlist, item);
// purple_debug_misc(PLUGIN_ID, "blist -> itemlist: new buddy %s\n", jid);
}
item_add_group(item, groupname);
}
}
}
return itemlist;
}
static PurpleRequestFieldGroup*
find_request_group_by_title(PurpleRequestFields *request, const char *title)
{
PurpleRequestFieldGroup *rgroup;
GList *g;
GList *rgroups = purple_request_fields_get_groups(request);
for (g = g_list_first(rgroups); g; g = g_list_next(g)) {
rgroup = (PurpleRequestFieldGroup *) g->data;
if (equals(title, purple_request_field_group_get_title(rgroup)))
return rgroup;
}
return NULL;
}
static PurpleRequestFields *
request_new_from_itemlist(GList *itemlist)
{
PurpleRequestFields *request = purple_request_fields_new();
PurpleRequestFieldGroup *rgroup;
PurpleRequestField *field;
GList *i, *g;
for (i = g_list_first(itemlist); i; i = g_list_next(i)) {
Item *item = (Item *) i->data;
const char *jid = item->jid;
const char *alias = item->alias;
char *label = g_strdup_printf("%s <%s>", alias, jid);
// purple_debug_misc(PLUGIN_ID, "itemlist -> request: jid %s added, label %s\n", jid, label);
if (!item->entries) /* Item has no groups, so use our default group */
item->entries = g_list_append(item->entries, GROUPNAME_DEFAULT);
for (g = g_list_first(item->entries); g; g = g_list_next(g)) {
const char *groupname = g->data;
rgroup = find_request_group_by_title(request, groupname);
if (!rgroup) {
rgroup = purple_request_field_group_new(groupname);
purple_request_fields_add_group(request, rgroup);
}
field = purple_request_field_bool_new(jid, label, FALSE);
purple_request_field_group_add_field(rgroup, field);
purple_debug_misc(PLUGIN_ID, "itemlist -> request: jid %s added group %s\n", jid, groupname);
}
g_free(label);
}
return request;
}
static GList *
itemlist_new_from_request(PurpleRequestFields *request)
{
GList *f, *g;
GList *itemlist = NULL;
GList *request_groups = purple_request_fields_get_groups(request);
Item *item;
for (g = g_list_first(request_groups); g; g = g_list_next(g)) {
PurpleRequestFieldGroup *request_group = (PurpleRequestFieldGroup *) g->data;
const char *groupname = purple_request_field_group_get_title(request_group);
// purple_debug_misc(PLUGIN_ID, "request -> itemlist: entering group field %s\n", groupname);
for (f = purple_request_field_group_get_fields(request_group); f; f = g_list_next(f)) {
PurpleRequestField *field = (PurpleRequestField *) f->data;
if (purple_request_field_bool_get_value(field) == TRUE) {
const char *jid = purple_request_field_get_id(field);
char *alias = create_name_from_label(purple_request_field_get_label(field));
item = itemlist_find_by_jid(itemlist, jid);
if (!item) {
// purple_debug_misc(PLUGIN_ID, "request -> itemlist: item %s added to itemlist, username %s\n", jid, alias);
item = item_new(jid, alias);
itemlist = g_list_prepend(itemlist, item);
}
item_add_group(item, groupname);
g_free(alias);
}
}
}
return g_list_reverse(itemlist);
}
static xmlnode*
xnode_new_from_itemlist(GList *itemlist)
{
xmlnode *xnode;
GList *i, *g;
xnode = xmlnode_new("x");
xmlnode_set_namespace(xnode, NS_ROSTERX);
for (i = g_list_first(itemlist); i; i = g_list_next(i)) {
xmlnode *xitem;
Item *item = (Item *) i->data;
xitem = xmlnode_new_child(xnode, "item");
xmlnode_set_attrib(xitem, "action", "add"); /* Only available action for now */
xmlnode_set_attrib(xitem, "jid", item->jid);
xmlnode_set_attrib(xitem, "name", item->alias);
// purple_debug_misc(PLUGIN_ID, "itemlist -> xnode: jid %s added, alias %s\n", item->jid, item->alias);
for (g = g_list_first(item->entries); g; g = g_list_next(g)) {
const char *groupname = g->data;
xmlnode *xgroup = xmlnode_new_child(xitem, "group");
xmlnode_insert_data(xgroup, groupname, -1);
// purple_debug_misc(PLUGIN_ID, "itemlist -> xnode: jid %s adding group %s\n", item->jid, groupname);
}
}
return xnode;
}
static GList*
itemlist_new_from_xnode(xmlnode *xnode)
{
xmlnode *xitem;
GList *itemlist = NULL;
for (xitem = xmlnode_get_child(xnode, "item"); xitem; xitem = xmlnode_get_next_twin(xitem)) {
Item *item = NULL;
const char *action = xmlnode_get_attrib(xitem, "action");
const char *jid = xmlnode_get_attrib(xitem, "jid");
if (!action || equals("add", action)) { /* default action is 'add' */
if (!itemlist_find_by_jid(itemlist, jid)) {
item = item_new_from_xitem(xitem);
itemlist = g_list_prepend(itemlist, item);
}
}
else { /* 'modify' and 'delete' are not implemented */
purple_debug_warning(PLUGIN_ID,
"Received unknown Roster exchange action '%s'!\n", action);
}
}
if (!itemlist)
purple_debug_warning(PLUGIN_ID, "XEP-0144 MUST: Parsed xnode does not contain any items!\n");
return g_list_reverse(itemlist);
}
/*
* Searchresult table
*/
static void
add_rosteritem_cb(PurpleConnection *c, GList *row, gpointer userdata)
{
purple_blist_request_add_buddy(
purple_connection_get_account(c),
g_list_nth_data(row, 1), /* JID */
g_list_nth_data(row, 2), /* Group */
g_list_nth_data(row, 0) /* Alias */
);
}
static void
add_all_rosteritems_cb(PurpleConnection *c, GList *row, gpointer userdata)
{
PurpleNotifySearchResults *results = (PurpleNotifySearchResults *) userdata;
GList *r;
g_return_if_fail(results);
for (r = g_list_first(results->rows); r; r = g_list_next(r)) {
GList *row = (GList *) r->data;
add_rosteritem_cb(c, row, userdata);
}
}
static void
add_row(PurpleNotifySearchResults *rec_items,
const char *jid, const char *alias, const char *groupname)
{
GList *item_row = NULL;
/* Name attribute is optional in rosteritem, so we have to check if
* it exists in each rosteritem
*/
item_row = g_list_append(item_row, g_strdup(alias ? alias : jid));
item_row = g_list_append(item_row, g_strdup(jid));
item_row = g_list_append(item_row, g_strdup(groupname));
purple_notify_searchresults_row_add(rec_items, item_row);
}
static void
searchresults_new_from_itemlist(GList *itemlist, AuxData *aux)
{
GList *i, *g;
PurpleNotifySearchResults *rec_items;
char *rosteritems_title;
if (!itemlist) {
purple_debug_info(PLUGIN_ID, "itemlist -> searchresults: resulting itemlist is empty, no action\n");
return;
}
rec_items = purple_notify_searchresults_new();
purple_notify_searchresults_column_add(rec_items,
purple_notify_searchresults_column_new(_("Name")));
purple_notify_searchresults_column_add(rec_items,
purple_notify_searchresults_column_new(_("JID")));
purple_notify_searchresults_column_add(rec_items,
purple_notify_searchresults_column_new(_("Group")));
for (i = g_list_first(itemlist); i; i = g_list_next(i)) {
Item *item = (Item *) i->data;
const char *jid = item->jid;
const char *alias = item->alias;
if (item->entries) { /* extra verbosity: one row for each group of the item */
for (g = g_list_first(item->entries); g; g = g_list_next(g)) {
const char *groupname = g->data;
add_row(rec_items, jid, alias, groupname);
}
} else {
add_row(rec_items, jid, alias, NULL);
}
} /* End of processing one roster item */
purple_notify_searchresults_button_add(rec_items,
PURPLE_NOTIFY_BUTTON_ADD, add_rosteritem_cb);
/* NOTE: This button is not visible in Pidgin < 3.0.0dev
* because of a bug in gtknotify.c */
purple_notify_searchresults_button_add_labeled(rec_items,
_("All"), add_all_rosteritems_cb);
rosteritems_title = g_strdup_printf("User %s has sent you a contact suggestion:",
aux->target_jid);
purple_notify_searchresults(
aux->pc,
purple_account_get_username(purple_connection_get_account(aux->pc)),
rosteritems_title,
NULL,
rec_items,
NULL, /* close callback */
rec_items /* userdata */
);
g_free(rosteritems_title);
}
/*
* Jabber helper functions
*/
static char*
generate_next_id()
{
static guint32 index = 0;
if (index == 0) {
do {
index = g_random_int();
} while (index == 0);
}
return g_strdup_printf("rosterx%x", index++);
}
static char*
create_full_jid(const char *bare_jid, const char *resource)
{
return g_strdup_printf("%s/%s", bare_jid, resource);
}
static char*
create_bare_jid(const char *jid)
{
gchar **parts = g_strsplit(jid, "/", 2);
gchar *bare_jid = g_strdup(parts[0]);
g_strfreev(parts);
return bare_jid;
}
static gboolean
jid_is_subscribed(PurpleConnection *pc, const char *jid)
{
DummyJabberStream *js = purple_connection_get_protocol_data(pc);
char *bare_jid = create_bare_jid(jid);
DummyJabberBuddy *jb = g_hash_table_lookup(js->buddies, bare_jid);
g_free(bare_jid);
return jb && !(jb->subscription & JABBER_SUB_PENDING) && (jb->subscription & JABBER_SUB_BOTH);
}
static GList *
find_resources(PurpleConnection *pc, const char *jid)
{
DummyJabberStream *js = purple_connection_get_protocol_data(pc);
DummyJabberBuddy *jb;
GList *list = NULL;
GList *resources;
char *bare_jid = create_bare_jid(jid);
jb = g_hash_table_lookup(js->buddies, bare_jid);
if (jb && jb->resources) {
for(resources = jb->resources; resources; resources = resources->next) {
DummyJabberBuddyResource *jbr = resources->data;
char *resource = jbr->name;
purple_debug_misc(PLUGIN_ID, "jid=%s has resource %s\n", bare_jid, resource);
list = g_list_append(list, resource);
}
}
g_free(bare_jid);
return list;
}
static gboolean
_resource_has_feature(PurpleBuddy *b, const char *resource, const char *namespace)
{
void *jabber_handle = purple_plugins_find_with_id("prpl-jabber");
char *full_jid = create_full_jid(purple_buddy_get_name(b), resource);
gboolean ipc_success;
int result;
result = GPOINTER_TO_INT(purple_plugin_ipc_call(jabber_handle,
"contact_has_feature", &ipc_success,
purple_buddy_get_account(b),
full_jid,
namespace));
// purple_debug_misc(PLUGIN_ID, "_resource_has_feature(): ns=%s, jid=%s, full=%s, ipc_success=%s, result=%x\n",
// namespace, purple_buddy_get_name(b), full_jid, ipc_success ? "yes":"no", result);
g_free(full_jid);
return (ipc_success && result);
}
static GList *
find_resources_with_feature(PurpleBuddy *b, const char *namespace)
{
GList *featured = NULL;
GList *r;
r = find_resources(purple_account_get_connection(purple_buddy_get_account(b)),
purple_buddy_get_name(b));
for (r = g_list_first(r); r; r = g_list_next(r)) {
const char *resource = r->data;
if (_resource_has_feature(b, resource, namespace))
featured = g_list_prepend(featured, g_strdup(resource));
}
return g_list_reverse(featured);
}
/*
* Generic sending of an iq or message
*/
static void
send_iq(PurpleConnection *pc, const char *full_to, xmlnode *xnode)
{
xmlnode *iq;
const char *from = purple_account_get_username(
purple_connection_get_account(pc));
iq = xmlnode_new("iq");
xmlnode_set_attrib(iq, "type", "set");
xmlnode_set_attrib(iq, "id", generate_next_id());
xmlnode_set_attrib(iq, "to", full_to);
xmlnode_set_attrib(iq, "from", from);
xmlnode_insert_child(iq, xnode);
// purple_debug_info(PLUGIN_ID, "Sending request iq from '%s' to '%s'...\n", from, full_to);
purple_signal_emit(purple_connection_get_prpl(pc), "jabber-sending-xmlnode", pc, &iq);
xmlnode_free(iq);
}
static void
send_message(PurpleConnection *pc, const char *to, xmlnode *xnode, const char *text)
{
xmlnode *message, *node;
const char *from = purple_account_get_username(
purple_connection_get_account(pc));
message = xmlnode_new("message");
xmlnode_set_attrib(message, "id", generate_next_id());
xmlnode_set_attrib(message, "to", to);
xmlnode_set_attrib(message, "from", from);
xmlnode_insert_child(message, xnode);
/* We don't want the message echoed back to our other devices */
node = xmlnode_new_child(message, "private");
xmlnode_set_namespace(node, NS_CARBONS);
if (text) {
node = xmlnode_new_child(message, "body");
xmlnode_insert_data(node, text, -1);
}
// purple_debug_info(PLUGIN_ID, "Sending request message to '%s'...\n", to);
purple_signal_emit(purple_connection_get_prpl(pc), "jabber-sending-xmlnode", pc, &message);
xmlnode_free(message);
}
/*
* If entity is online, this implementation sends <iq/> requests
* to _all_ RosterX-capable resources.
*
* NOTE: This behaviour is inconsistent
* with XEP-0144 (5. Recommended Stanza Types).
* This is because it is not known which resource would be the most
* adequate to address.
*
* If the entity is offline, send a message to the bare jid instead.
*/
static void
send_iqs_or_message(PurpleConnection *pc, const char *to, xmlnode *xnode, const char *text)
{
PurpleBuddy *b = purple_find_buddy(
purple_connection_get_account(pc), to);
GList *resources;
g_return_if_fail(b);
resources = g_list_first(find_resources_with_feature(b, NS_ROSTERX));
if (STRICT_XEP && PURPLE_BUDDY_IS_ONLINE(b) && resources) {
while (resources) { // TODO: choose exactly one resource
char *full_jid = create_full_jid(to, resources->data);
purple_debug_info(PLUGIN_ID, "send_iqs_or_message(): <iq/> to=%s\n", full_jid);
send_iq(pc, full_jid, xmlnode_copy(xnode));
g_free(full_jid);
resources = g_list_next(resources);
}
xmlnode_free(xnode);
} else { /* fallback if buddy is offline or has no RosterX resource */
send_message(pc, to, xnode, text);
}
}
/*
* Generate a RosterX suggestion
*/
static char *
create_message_from_itemlist(GList *itemlist, PurpleConnection *pc)
{
GList *l;
char *text = g_strdup_printf("%s has sent you a RosterX contact suggestion:\n",
purple_account_get_name_for_display(purple_connection_get_account(pc)));
for (l = g_list_first(itemlist); l; l = g_list_next(l)) {
Item *item = (Item *) l->data;
char *tmptext = text;
text = g_strdup_printf("%s+ %s\nxmpp:%s", tmptext,
item->alias, item->jid);
g_free(tmptext);
}
return text;
}
static void
select_contacts_ok(AuxData *aux, PurpleRequestFields *request)
{
PurpleConnection *pc = aux->pc;
GList *itemlist = itemlist_new_from_request(request);
if (itemlist) {
xmlnode *xnode = xnode_new_from_itemlist(itemlist);
const char *to = aux->target_jid;
char *text = create_message_from_itemlist(itemlist, pc);
send_iqs_or_message(pc, to, xnode, text);
g_free(text);
itemlist_destroy(itemlist);
}
auxdata_destroy(aux);
}
static void
select_contacts_cancel(AuxData *aux, PurpleRequestFields *request)
{
auxdata_destroy(aux);
}
static void
select_contacts(PurpleBlistNode *node, gpointer plugin)
{
PurpleBuddy *b = (PurpleBuddy *) node;
PurpleConnection *pc = purple_account_get_connection(purple_buddy_get_account(b));
PurpleRequestFields *request;
AuxData *aux;
GList *itemlist;
char *tmpstring;
g_return_if_fail(pc && b);
aux = auxdata_new(pc);
aux->target_jid = g_strdup(purple_buddy_get_name(b));
itemlist = itemlist_new_from_blist(_buddy_is_xmpp);
request = request_new_from_itemlist(itemlist);
tmpstring = g_strdup_printf(
_("Suggest a selection of buddies to contact %s <%s>:"),
purple_buddy_get_alias(b), purple_buddy_get_name(b));
purple_request_fields(rosterx_plugin,
purple_account_get_username(purple_buddy_get_account(b)),
_("Select Buddy"),
tmpstring,
request,
_("_Send"), G_CALLBACK(select_contacts_ok),
_("_Cancel"), G_CALLBACK(select_contacts_cancel),
NULL, NULL, NULL,
aux);
g_free(tmpstring);
itemlist_destroy(itemlist);
}
/*
* RosterX / XEP-0144 -specfic part of iq / message handling
*/
static gboolean
rosterx_process_common(PurpleConnection *pc, const char *type, const char *id,
const char *from, xmlnode *xnode, const char *text)
{
GList *itemlist;
AuxData *aux;
g_return_val_if_fail(xnode, FALSE);
aux = auxdata_new(pc);
aux->target_jid = create_bare_jid(from);
itemlist = itemlist_new_from_xnode(xnode);
itemlist = itemlist_filter(itemlist, _item_is_not_in_roster, aux);
searchresults_new_from_itemlist(itemlist, aux);
itemlist_destroy(itemlist);
auxdata_destroy(aux);
return TRUE;
}
static gboolean
rosterx_process_iq(PurpleConnection *pc, const char *type, const char *id,
const char *from, xmlnode *xnode)
{
gboolean iq_is_ok = FALSE;
PurpleBuddy *b = purple_find_buddy(purple_connection_get_account(pc), from);
xmlnode *reply = xmlnode_new("iq");
xmlnode_set_attrib(reply, "to", from);
xmlnode_set_attrib(reply, "id", id);
if (equals("set", type)) {
gboolean is_subscribed = jid_is_subscribed(pc, from);
if (b && is_subscribed) {
iq_is_ok = TRUE;
xmlnode_set_attrib(reply, "type", "result");
} else { /* For error types, see XEP-0144, Section 5.1 */
// TODO: combine error handling for iqs and messges
xmlnode *error, *errortype;
xmlnode_set_attrib(reply, "type", "error");
error = xmlnode_new_child(reply, "error");
xmlnode_set_attrib(error, "type", "auth");
if (!b) { /* sending entity is not in roster */
errortype = xmlnode_new_child(error, "not-authorized");
} else { /* not subscribed */
errortype = xmlnode_new_child(error, "registration-required");
}
xmlnode_set_namespace(errortype, NS_XMPP_STANZAS);
}
}
else if (equals("result", type)) {
// TODO: unregister iq tag in hash storage, or return FALSE
return TRUE;
}
else if (equals("error", type)) {
// TODO: unregister iq tag in hash storage, or return FALSE
// error processing
// TODO: show error message?
return TRUE;
}
else { /* e.g. type == 'get' */
xmlnode *error, *errortype;
xmlnode_set_attrib(reply, "type", "error");
error = xmlnode_new_child(reply, "error");
xmlnode_set_attrib(error, "type", "modify");
errortype = xmlnode_new_child(error, "bad-request");
xmlnode_set_namespace(errortype, NS_XMPP_STANZAS);
}
purple_signal_emit(purple_connection_get_prpl(pc),
"jabber-sending-xmlnode", pc, &reply);
xmlnode_free(reply);
if (iq_is_ok)
return rosterx_process_common(pc, type, id, from, xnode, NULL);
else
return TRUE;
}
static gboolean
rosterx_process_message(PurpleConnection *pc, const char *type, const char *id,
const char *from, xmlnode *xnode, const char *text)
{
PurpleBuddy *b = purple_find_buddy(purple_connection_get_account(pc), from);
gboolean is_subscribed = jid_is_subscribed(pc, from);
if (equals("error", type)) {
// error processing
return TRUE;
} else {
if (!b || !is_subscribed) {
purple_debug_warning(PLUGIN_ID, "process_message(): Message from unsubscribed or unknown entity %s, ignoring!\n", from);
return TRUE; /* consume message */
}
return rosterx_process_common(pc, type, id, from, xnode, text);
}
}
/*
* Generic iq / message handling, namespace disambiguation
*/
static gboolean
iq_received_cb(PurpleConnection *pc, const char *type, const char *id,
const char *from, xmlnode *iq)
{
xmlnode *xnode;
const char *ns;
xnode = xmlnode_get_child(iq, "x");
if (!xnode)
return FALSE;
ns = xmlnode_get_namespace(xnode);
purple_debug_info(PLUGIN_ID, "iq_received_cb(): from=%s, namespace=%s\n", from, ns);
if (equals(NS_ROSTERX, ns))
return rosterx_process_iq(pc, type, id, from, xnode);
return FALSE;
}
static gboolean
message_received_cb(PurpleConnection *pc, const char *type, const char *id,
const char *from, const char *to, xmlnode *message)
{
xmlnode *xnode, *body;
const char *ns;
char *text = NULL;
xnode = xmlnode_get_child(message, "x");
if (!xnode)
return FALSE;
body = xmlnode_get_child(message, "body");
if (body)
text = xmlnode_get_data(body);
ns = xmlnode_get_namespace(xnode);
purple_debug_info(PLUGIN_ID, "message_received_cb(): from=%s, namespace=%s\n", from, ns);
if (equals(NS_ROSTERX, ns))
return rosterx_process_message(pc, type, id, from, xnode, text);
g_free(text);
return FALSE;
}
static void
blist_node_extended_menu_cb(PurpleBlistNode *node, GList **menu, gpointer plugin)
{
if (PURPLE_BLIST_NODE_IS_BUDDY(node)) {
PurpleBuddy *b = (PurpleBuddy *) node;
PurpleAccount *account = purple_buddy_get_account(b);
PurpleConnection *pc = purple_account_get_connection(account);
const char *jid = purple_buddy_get_name(b);
const char *protocol_id = purple_account_get_protocol_id(account);
gboolean option_is_available = jid_is_subscribed(pc, jid);
if (STRICT_XEP) { /* extra constraints */
option_is_available = option_is_available &&
(!PURPLE_BUDDY_IS_ONLINE(b) || find_resources_with_feature(b, NS_ROSTERX));
}
if (equals("prpl-jabber", protocol_id)) {
PurpleMenuAction *action = purple_menu_action_new(