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<html><head><title>Python: module test.tc_colorscheme</title>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
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<dt><font face="helvetica, arial"><a href="unittest.html#TestCase">unittest.TestCase</a>(<a href="builtins.html#object">builtins.object</a>)
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<dt><font face="helvetica, arial"><a href="test.tc_colorscheme.html#Test">Test</a>
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<font color="#000000" face="helvetica, arial"><a name="Test">class <strong>Test</strong></a>(<a href="unittest.html#TestCase">unittest.TestCase</a>)</font></td></tr>
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<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="test.tc_colorscheme.html#Test">Test</a></dd>
<dd><a href="unittest.html#TestCase">unittest.TestCase</a></dd>
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Methods defined here:<br>
<dl><dt><a name="Test-setUp"><strong>setUp</strong></a>(self)</dt></dl>
<dl><dt><a name="Test-test_colorschemes"><strong>test_colorschemes</strong></a>(self)</dt></dl>
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Methods inherited from <a href="unittest.html#TestCase">unittest.TestCase</apre { line-height: 125%; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//*
* message.c
*
* Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
*
* 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
* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
*
* 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.
*
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_LIBMESODE
#include <mesode.h>
#endif
#ifdef HAVE_LIBSTROPHE
#include <strophe.h>
#endif
#include "profanity.h"
#include "log.h"
#include "config/preferences.h"
#include "event/server_events.h"
#include "pgp/gpg.h"
#include "plugins/plugins.h"
#include "ui/ui.h"
#include "ui/window_list.h"
#include "xmpp/chat_session.h"
#include "xmpp/muc.h"
#include "xmpp/session.h"
#include "xmpp/message.h"
#include "xmpp/roster.h"
#include "xmpp/roster_list.h"
#include "xmpp/stanza.h"
#include "xmpp/connection.h"
#include "xmpp/xmpp.h"
#ifdef HAVE_OMEMO
#include "xmpp/omemo.h"
#include "omemo/omemo.h"
#endif
typedef struct p_message_handle_t {
ProfMessageCallback func;
ProfMessageFreeCallback free_func;
void *userdata;
} ProfMessageHandler;
static int _message_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata);
static void _handle_error(xmpp_stanza_t *const stanza);
static void _handle_groupchat(xmpp_stanza_t *const stanza);
static void _handel_muc_user(xmpp_stanza_t *const stanza);
static void _handle_conference(xmpp_stanza_t *const stanza);
static void _handle_captcha(xmpp_stanza_t *const stanza);
static void _handle_receipt_received(xmpp_stanza_t *const stanza);
static void _handle_chat(xmpp_stanza_t *const stanza);
static void _send_message_stanza(xmpp_stanza_t *const stanza);
static GHashTable *pubsub_event_handlers;
static int
_message_handler(xmpp_conn_t *const conn, xmpp_stanza_t *const stanza, void *const userdata)
{
log_debug("Message stanza handler fired");
char *text;
size_t text_size;
xmpp_stanza_to_text(stanza, &text, &text_size);
gboolean cont = plugins_on_message_stanza_receive(text);
xmpp_free(connection_get_ctx(), text);
if (!cont) {
return 1;
}
const char *type = xmpp_stanza_get_type(stanza);
if (g_strcmp0(type, STANZA_TYPE_ERROR) == 0) {
_handle_error(stanza);
}
if (g_strcmp0(type, STANZA_TYPE_GROUPCHAT) == 0) {
_handle_groupchat(stanza);
}
xmpp_stanza_t *mucuser = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
if (mucuser) {
_handel_muc_user(stanza);
}
xmpp_stanza_t *conference = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CONFERENCE);
if (conference) {
_handle_conference(stanza);
}
xmpp_stanza_t *captcha = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CAPTCHA);
if (captcha) {
_handle_captcha(stanza);
}
xmpp_stanza_t *receipts = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_RECEIPTS);
if (receipts) {
_handle_receipt_received(stanza);
}
xmpp_stanza_t *event = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_PUBSUB_EVENT);
if (event) {
xmpp_stanza_t *child = xmpp_stanza_get_children(event);
if (child) {
const char *node = xmpp_stanza_get_attribute(child, STANZA_ATTR_NODE);
if (node) {
ProfMessageHandler *handler = g_hash_table_lookup(pubsub_event_handlers, node);
if (handler) {
int keep = handler->func(stanza, handler->userdata);
if (!keep) {
g_hash_table_remove(pubsub_event_handlers, node);
}
}
}
}
}
_handle_chat(stanza);
return 1;
}
void
message_handlers_init(void)
{
xmpp_conn_t * const conn = connection_get_conn();
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_handler_add(conn, _message_handler, NULL, STANZA_NAME_MESSAGE, NULL, ctx);
if (pubsub_event_handlers) {
GList *keys = g_hash_table_get_keys(pubsub_event_handlers);
GList *curr = keys;
while (curr) {
ProfMessageHandler *handler = g_hash_table_lookup(pubsub_event_handlers, curr->data);
if (handler->free_func && handler->userdata) {
handler->free_func(handler->userdata);
}
curr = g_list_next(curr);
}
g_list_free(keys);
g_hash_table_destroy(pubsub_event_handlers);
}
pubsub_event_handlers = g_hash_table_new_full(g_str_hash, g_str_equal, free, free);
}
void
message_pubsub_event_handler_add(const char *const node, ProfMessageCallback func, ProfMessageFreeCallback free_func, void *userdata)
{
ProfMessageHandler *handler = malloc(sizeof(ProfMessageHandler));
handler->func = func;
handler->free_func = free_func;
handler->userdata = userdata;
g_hash_table_insert(pubsub_event_handlers, strdup(node), handler);
}
char*
message_send_chat(const char *const barejid, const char *const msg, const char *const oob_url,
gboolean request_receipt)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *state = chat_session_get_state(barejid);
char *jid = chat_session_get_jid(barejid);
char *id = connection_create_stanza_id("msg");
xmpp_stanza_t *message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
xmpp_message_set_body(message, msg);
free(jid);
if (state) {
stanza_attach_state(ctx, message, state);
}
if (oob_url) {
stanza_attach_x_oob_url(ctx, message, oob_url);
}
if (request_receipt) {
stanza_attach_receipt_request(ctx, message);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
return id;
}
char*
message_send_chat_pgp(const char *const barejid, const char *const msg, gboolean request_receipt)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *state = chat_session_get_state(barejid);
char *jid = chat_session_get_jid(barejid);
char *id = connection_create_stanza_id("msg");
xmpp_stanza_t *message = NULL;
#ifdef HAVE_LIBGPGME
char *account_name = session_get_account_name();
ProfAccount *account = accounts_get_account(account_name);
if (account->pgp_keyid) {
Jid *jidp = jid_create(jid);
char *encrypted = p_gpg_encrypt(jidp->barejid, msg, account->pgp_keyid);
if (encrypted) {
message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
xmpp_message_set_body(message, "This message is encrypted (XEP-0027).");
xmpp_stanza_t *x = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(x, STANZA_NAME_X);
xmpp_stanza_set_ns(x, STANZA_NS_ENCRYPTED);
xmpp_stanza_t *enc_st = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(enc_st, encrypted);
xmpp_stanza_add_child(x, enc_st);
xmpp_stanza_release(enc_st);
xmpp_stanza_add_child(message, x);
xmpp_stanza_release(x);
free(encrypted);
} else {
message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
xmpp_message_set_body(message, msg);
}
jid_destroy(jidp);
} else {
message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
xmpp_message_set_body(message, msg);
}
account_free(account);
#else
message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
xmpp_message_set_body(message, msg);
#endif
free(jid);
if (state) {
stanza_attach_state(ctx, message, state);
}
if (request_receipt) {
stanza_attach_receipt_request(ctx, message);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
return id;
}
char*
message_send_chat_otr(const char *const barejid, const char *const msg, gboolean request_receipt)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *state = chat_session_get_state(barejid);
char *jid = chat_session_get_jid(barejid);
char *id = connection_create_stanza_id("msg");
xmpp_stanza_t *message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, barejid, id);
xmpp_message_set_body(message, msg);
free(jid);
if (state) {
stanza_attach_state(ctx, message, state);
}
stanza_attach_carbons_private(ctx, message);
stanza_attach_hints_no_copy(ctx, message);
stanza_attach_hints_no_store(ctx, message);
if (request_receipt) {
stanza_attach_receipt_request(ctx, message);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
return id;
}
#ifdef HAVE_OMEMO
char*
message_send_chat_omemo(const char *const jid, uint32_t sid, GList *keys,
const unsigned char *const iv, size_t iv_len,
const unsigned char *const ciphertext, size_t ciphertext_len,
gboolean request_receipt, gboolean muc)
{
char *state = chat_session_get_state(jid);
xmpp_ctx_t * const ctx = connection_get_ctx();
char *id;
xmpp_stanza_t *message;
if (muc) {
id = connection_create_stanza_id("muc");
message = xmpp_message_new(ctx, STANZA_TYPE_GROUPCHAT, jid, id);
stanza_attach_origin_id(ctx, message, id);
} else {
id = connection_create_stanza_id("msg");
message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, jid, id);
}
xmpp_stanza_t *encrypted = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(encrypted, "encrypted");
xmpp_stanza_set_ns(encrypted, STANZA_NS_OMEMO);
xmpp_stanza_t *header = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(header, "header");
char *sid_text = g_strdup_printf("%d", sid);
xmpp_stanza_set_attribute(header, "sid", sid_text);
g_free(sid_text);
GList *key_iter;
for (key_iter = keys; key_iter != NULL; key_iter = key_iter->next) {
omemo_key_t *key = (omemo_key_t *)key_iter->data;
xmpp_stanza_t *key_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(key_stanza, "key");
char *rid = g_strdup_printf("%d", key->device_id);
xmpp_stanza_set_attribute(key_stanza, "rid", rid);
g_free(rid);
if (key->prekey) {
xmpp_stanza_set_attribute(key_stanza, "prekey", "true");
}
gchar *key_raw = g_base64_encode(key->data, key->length);
xmpp_stanza_t *key_text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(key_text, key_raw);
g_free(key_raw);
xmpp_stanza_add_child(key_stanza, key_text);
xmpp_stanza_add_child(header, key_stanza);
xmpp_stanza_release(key_text);
xmpp_stanza_release(key_stanza);
}
xmpp_stanza_t *iv_stanza = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(iv_stanza, "iv");
gchar *iv_raw = g_base64_encode(iv, iv_len);
xmpp_stanza_t *iv_text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(iv_text, iv_raw);
g_free(iv_raw);
xmpp_stanza_add_child(iv_stanza, iv_text);
xmpp_stanza_add_child(header, iv_stanza);
xmpp_stanza_release(iv_text);
xmpp_stanza_release(iv_stanza);
xmpp_stanza_add_child(encrypted, header);
xmpp_stanza_release(header);
xmpp_stanza_t *payload = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(payload, "payload");
gchar *ciphertext_raw = g_base64_encode(ciphertext, ciphertext_len);
xmpp_stanza_t *payload_text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(payload_text, ciphertext_raw);
g_free(ciphertext_raw);
xmpp_stanza_add_child(payload, payload_text);
xmpp_stanza_add_child(encrypted, payload);
xmpp_stanza_release(payload_text);
xmpp_stanza_release(payload);
xmpp_stanza_add_child(message, encrypted);
xmpp_stanza_release(encrypted);
xmpp_stanza_t *body = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(body, "body");
xmpp_stanza_t *body_text = xmpp_stanza_new(ctx);
xmpp_stanza_set_text(body_text, "You received a message encrypted with OMEMO but your client doesn't support OMEMO.");
xmpp_stanza_add_child(body, body_text);
xmpp_stanza_release(body_text);
xmpp_stanza_add_child(message, body);
xmpp_stanza_release(body);
if (state) {
stanza_attach_state(ctx, message, state);
}
stanza_attach_hints_store(ctx, message);
if (request_receipt) {
stanza_attach_receipt_request(ctx, message);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
return id;
}
#endif
void
message_send_private(const char *const fulljid, const char *const msg, const char *const oob_url)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *id = connection_create_stanza_id("prv");
xmpp_stanza_t *message = xmpp_message_new(ctx, STANZA_TYPE_CHAT, fulljid, id);
xmpp_message_set_body(message, msg);
free(id);
if (oob_url) {
stanza_attach_x_oob_url(ctx, message, oob_url);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
}
char*
message_send_groupchat(const char *const roomjid, const char *const msg, const char *const oob_url)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *id = connection_create_stanza_id("muc");
xmpp_stanza_t *message = xmpp_message_new(ctx, STANZA_TYPE_GROUPCHAT, roomjid, id);
stanza_attach_origin_id(ctx, message, id);
xmpp_message_set_body(message, msg);
if (oob_url) {
stanza_attach_x_oob_url(ctx, message, oob_url);
}
_send_message_stanza(message);
xmpp_stanza_release(message);
return id;
}
void
message_send_groupchat_subject(const char *const roomjid, const char *const subject)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *message = stanza_create_room_subject_message(ctx, roomjid, subject);
_send_message_stanza(message);
xmpp_stanza_release(message);
}
void
message_send_invite(const char *const roomjid, const char *const contact,
const char *const reason)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza;
muc_member_type_t member_type = muc_member_type(roomjid);
if (member_type == MUC_MEMBER_TYPE_PUBLIC) {
log_debug("Sending direct invite to %s, for %s", contact, roomjid);
char *password = muc_password(roomjid);
stanza = stanza_create_invite(ctx, roomjid, contact, reason, password);
} else {
log_debug("Sending mediated invite to %s, for %s", contact, roomjid);
stanza = stanza_create_mediated_invite(ctx, roomjid, contact, reason);
}
_send_message_stanza(stanza);
xmpp_stanza_release(stanza);
}
void
message_send_composing(const char *const jid)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, jid, STANZA_NAME_COMPOSING);
_send_message_stanza(stanza);
xmpp_stanza_release(stanza);
}
void
message_send_paused(const char *const jid)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, jid, STANZA_NAME_PAUSED);
_send_message_stanza(stanza);
xmpp_stanza_release(stanza);
}
void
message_send_inactive(const char *const jid)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, jid, STANZA_NAME_INACTIVE);
_send_message_stanza(stanza);
xmpp_stanza_release(stanza);
}
void
message_send_gone(const char *const jid)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
xmpp_stanza_t *stanza = stanza_create_chat_state(ctx, jid, STANZA_NAME_GONE);
_send_message_stanza(stanza);
xmpp_stanza_release(stanza);
}
static void
_handle_error(xmpp_stanza_t *const stanza)
{
const char *id = xmpp_stanza_get_id(stanza);
const char *jid = xmpp_stanza_get_from(stanza);
xmpp_stanza_t *error_stanza = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_ERROR);
const char *type = NULL;
if (error_stanza) {
type = xmpp_stanza_get_type(error_stanza);
}
// stanza_get_error never returns NULL
char *err_msg = stanza_get_error_message(stanza);
GString *log_msg = g_string_new("message stanza error received");
if (id) {
g_string_append(log_msg, " id=");
g_string_append(log_msg, id);
}
if (jid) {
g_string_append(log_msg, " from=");
g_string_append(log_msg, jid);
}
if (type) {
g_string_append(log_msg, " type=");
g_string_append(log_msg, type);
}
g_string_append(log_msg, " error=");
g_string_append(log_msg, err_msg);
log_info(log_msg->str);
g_string_free(log_msg, TRUE);
if (!jid) {
ui_handle_error(err_msg);
} else if (type && (strcmp(type, "cancel") == 0)) {
log_info("Recipient %s not found: %s", jid, err_msg);
Jid *jidp = jid_create(jid);
chat_session_remove(jidp->barejid);
jid_destroy(jidp);
} else {
ui_handle_recipient_error(jid, err_msg);
}
free(err_msg);
}
static void
_handel_muc_user(xmpp_stanza_t *const stanza)
{
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_stanza_t *xns_muc_user = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
const char *room = xmpp_stanza_get_from(stanza);
if (!room) {
log_warning("Message received with no from attribute, ignoring");
return;
}
// XEP-0045
xmpp_stanza_t *invite = xmpp_stanza_get_child_by_name(xns_muc_user, STANZA_NAME_INVITE);
if (!invite) {
return;
}
const char *invitor_jid = xmpp_stanza_get_from(invite);
if (!invitor_jid) {
log_warning("Chat room invite received with no from attribute");
return;
}
Jid *jidp = jid_create(invitor_jid);
if (!jidp) {
return;
}
char *invitor = jidp->barejid;
char *reason = NULL;
xmpp_stanza_t *reason_st = xmpp_stanza_get_child_by_name(invite, STANZA_NAME_REASON);
if (reason_st) {
reason = xmpp_stanza_get_text(reason_st);
}
char *password = NULL;
xmpp_stanza_t *password_st = xmpp_stanza_get_child_by_name(xns_muc_user, STANZA_NAME_PASSWORD);
if (password_st) {
password = xmpp_stanza_get_text(password_st);
}
sv_ev_room_invite(INVITE_MEDIATED, invitor, room, reason, password);
jid_destroy(jidp);
if (reason) {
xmpp_free(ctx, reason);
}
if (password) {
xmpp_free(ctx, password);
}
}
static void
_handle_conference(xmpp_stanza_t *const stanza)
{
xmpp_stanza_t *xns_conference = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CONFERENCE);
const char *from = xmpp_stanza_get_from(stanza);
if (!from) {
log_warning("Message received with no from attribute, ignoring");
return;
}
Jid *jidp = jid_create(from);
if (!jidp) {
return;
}
// XEP-0249
const char *room = xmpp_stanza_get_attribute(xns_conference, STANZA_ATTR_JID);
if (!room) {
jid_destroy(jidp);
return;
}
const char *reason = xmpp_stanza_get_attribute(xns_conference, STANZA_ATTR_REASON);
const char *password = xmpp_stanza_get_attribute(xns_conference, STANZA_ATTR_PASSWORD);
sv_ev_room_invite(INVITE_DIRECT, jidp->barejid, room, reason, password);
jid_destroy(jidp);
}
static void
_handle_captcha(xmpp_stanza_t *const stanza)
{
xmpp_ctx_t *ctx = connection_get_ctx();
const char *from = xmpp_stanza_get_from(stanza);
if (!from) {
log_warning("Message received with no from attribute, ignoring");
return;
}
// XEP-0158
char *message = xmpp_message_get_body(stanza);
if (!message) {
return;
}
sv_ev_room_broadcast(from, message);
xmpp_free(ctx, message);
}
static void
_handle_groupchat(xmpp_stanza_t *const stanza)
{
xmpp_ctx_t *ctx = connection_get_ctx();
char *message = NULL;
const char *id = xmpp_stanza_get_id(stanza);
xmpp_stanza_t *origin = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_STABLE_ID);
if (origin && g_strcmp0(xmpp_stanza_get_name(origin), STANZA_NAME_ORIGIN_ID) == 0) {
id = xmpp_stanza_get_attribute(origin, STANZA_ATTR_ID);
}
const char *room_jid = xmpp_stanza_get_from(stanza);
Jid *jid = jid_create(room_jid);
// handle room subject
xmpp_stanza_t *subject = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_SUBJECT);
if (subject) {
message = xmpp_stanza_get_text(subject);
sv_ev_room_subject(jid->barejid, jid->resourcepart, message);
xmpp_free(ctx, message);
jid_destroy(jid);
return;
}
// handle room broadcasts
if (!jid->resourcepart) {
message = xmpp_message_get_body(stanza);
if (!message) {
jid_destroy(jid);
return;
}
sv_ev_room_broadcast(room_jid, message);
xmpp_free(ctx, message);
jid_destroy(jid);
return;
}
if (!jid_is_valid_room_form(jid)) {
log_error("Invalid room JID: %s", jid->str);
jid_destroy(jid);
return;
}
// room not active in profanity
if (!muc_active(jid->barejid)) {
log_error("Message received for inactive chat room: %s", jid->str);
jid_destroy(jid);
return;
}
// check omemo encryption
gboolean omemo = FALSE;
#ifdef HAVE_OMEMO
message = omemo_receive_message(stanza);
omemo = message != NULL;
#endif
if (!message) {
message = xmpp_message_get_body(stanza);
if (!message) {
jid_destroy(jid);
return;
}
}
// determine if the notifications happened whilst offline
GDateTime *timestamp = stanza_get_delay(stanza);
if (timestamp) {
sv_ev_room_history(jid->barejid, jid->resourcepart, timestamp, message, omemo);
g_date_time_unref(timestamp);
} else {
sv_ev_room_message(jid->barejid, jid->resourcepart, message, id, omemo);
}
xmpp_free(ctx, message);
jid_destroy(jid);
}
void
_message_send_receipt(const char *const fulljid, const char *const message_id)
{
xmpp_ctx_t * const ctx = connection_get_ctx();
char *id = connection_create_stanza_id("receipt");
xmpp_stanza_t *message = xmpp_message_new(ctx, NULL, fulljid, id);
free(id);
xmpp_stanza_t *receipt = xmpp_stanza_new(ctx);
xmpp_stanza_set_name(receipt, "received");
xmpp_stanza_set_ns(receipt, STANZA_NS_RECEIPTS);
xmpp_stanza_set_id(receipt, message_id);
xmpp_stanza_add_child(message, receipt);
xmpp_stanza_release(receipt);
_send_message_stanza(message);
xmpp_stanza_release(message);
}
static void
_handle_receipt_received(xmpp_stanza_t *const stanza)
{
xmpp_stanza_t *receipt = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_RECEIPTS);
const char *name = xmpp_stanza_get_name(receipt);
if (g_strcmp0(name, "received") != 0) {
return;
}
const char *id = xmpp_stanza_get_id(receipt);
if (!id) {
return;
}
const char *fulljid = xmpp_stanza_get_from(stanza);
if (!fulljid) {
return;
}
Jid *jidp = jid_create(fulljid);
sv_ev_message_receipt(jidp->barejid, id);
jid_destroy(jidp);
}
void
_receipt_request_handler(xmpp_stanza_t *const stanza)
{
if (!prefs_get_boolean(PREF_RECEIPTS_SEND)) {
return;
}
const char *id = xmpp_stanza_get_id(stanza);
if (!id) {
return;
}
xmpp_stanza_t *receipts = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_RECEIPTS);
if (!receipts) {
return;
}
const char *receipts_name = xmpp_stanza_get_name(receipts);
if (g_strcmp0(receipts_name, "request") != 0) {
return;
}
const gchar *from = xmpp_stanza_get_from(stanza);
Jid *jid = jid_create(from);
_message_send_receipt(jid->fulljid, id);
jid_destroy(jid);
}
void
_private_chat_handler(xmpp_stanza_t *const stanza, const char *const fulljid)
{
char *message = xmpp_message_get_body(stanza);
if (!message) {
return;
}
GDateTime *timestamp = stanza_get_delay(stanza);
if (timestamp) {
sv_ev_delayed_private_message(fulljid, message, timestamp);
g_date_time_unref(timestamp);
} else {
sv_ev_incoming_private_message(fulljid, message);
}
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_free(ctx, message);
}
static gboolean
_handle_carbons(xmpp_stanza_t *const stanza)
{
char *message_txt = NULL;
xmpp_stanza_t *carbons = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CARBONS);
if (!carbons) {
return FALSE;
}
const char *name = xmpp_stanza_get_name(carbons);
if (!name) {
log_error("Unable to retrieve stanza name for Carbon");
return TRUE;
}
if (g_strcmp0(name, "private") == 0) {
log_info("Carbon received with private element.");
return FALSE;
}
if ((g_strcmp0(name, "received") != 0) && (g_strcmp0(name, "sent") != 0)) {
log_warning("Carbon received with unrecognised stanza name: %s", name);
return TRUE;
}
xmpp_stanza_t *forwarded = xmpp_stanza_get_child_by_ns(carbons, STANZA_NS_FORWARD);
if (!forwarded) {
log_warning("Carbon received with no forwarded element");
return TRUE;
}
xmpp_stanza_t *message = xmpp_stanza_get_child_by_name(forwarded, STANZA_NAME_MESSAGE);
if (!message) {
log_warning("Carbon received with no message element");
return TRUE;
}
// check omemo encryption
gboolean omemo = FALSE;
#ifdef HAVE_OMEMO
message_txt = omemo_receive_message(message);
omemo = message_txt != NULL;
#endif
if (!message_txt) {
message_txt = xmpp_message_get_body(message);
if (!message_txt) {
log_warning("Carbon received with no message.");
return TRUE;
}
}
Jid *my_jid = jid_create(connection_get_fulljid());
const char *const stanza_from = xmpp_stanza_get_from(stanza);
if (g_strcmp0(my_jid->barejid, stanza_from) != 0) {
log_warning("Invalid carbon received, from: %s", stanza_from);
return TRUE;
}
const gchar *to = xmpp_stanza_get_to(message);
const gchar *from = xmpp_stanza_get_from(message);
// happens when receive a carbon of a self sent message
if (!to) to = from;
Jid *jid_from = jid_create(from);
Jid *jid_to = jid_create(to);
// check for pgp encrypted message
char *enc_message = NULL;
xmpp_stanza_t *x = xmpp_stanza_get_child_by_ns(message, STANZA_NS_ENCRYPTED);
if (x) {
enc_message = xmpp_stanza_get_text(x);
}
// if we are the recipient, treat as standard incoming message
if (g_strcmp0(my_jid->barejid, jid_to->barejid) == 0) {
sv_ev_incoming_carbon(jid_from->barejid, jid_from->resourcepart, message_txt, enc_message, omemo);
// else treat as a sent message
} else {
sv_ev_outgoing_carbon(jid_to->barejid, message_txt, enc_message, omemo);
}
xmpp_ctx_t *ctx = connection_get_ctx();
xmpp_free(ctx, message_txt);
xmpp_free(ctx, enc_message);
jid_destroy(jid_from);
jid_destroy(jid_to);
jid_destroy(my_jid);
return TRUE;
}
static void
_handle_chat(xmpp_stanza_t *const stanza)
{
char *message = NULL;
// ignore if type not chat or absent
const char *type = xmpp_stanza_get_type(stanza);
if (!(g_strcmp0(type, "chat") == 0 || type == NULL)) {
return;
}
// check if carbon message
gboolean res = _handle_carbons(stanza);
if (res) {
return;
}
// check omemo encryption
gboolean omemo = FALSE;
#ifdef HAVE_OMEMO
message = omemo_receive_message(stanza);
omemo = message != NULL;
#endif
// ignore handled namespaces
xmpp_stanza_t *conf = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CONFERENCE);
xmpp_stanza_t *captcha = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_CAPTCHA);
if (conf || captcha) {
return;
}
// some clients send the mucuser namespace with private messages
// if the namespace exists, and the stanza contains a body element, assume its a private message
// otherwise exit the handler
xmpp_stanza_t *mucuser = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_MUC_USER);
xmpp_stanza_t *body = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_BODY);
if (mucuser && body == NULL) {
return;
}
const gchar *from = xmpp_stanza_get_from(stanza);
Jid *jid = jid_create(from);
// private message from chat room use full jid (room/nick)
if (muc_active(jid->barejid)) {
_private_chat_handler(stanza, jid->fulljid);
jid_destroy(jid);
return;
}
// standard chat message, use jid without resource
xmpp_ctx_t *ctx = connection_get_ctx();
GDateTime *timestamp = stanza_get_delay(stanza);
if (!message && body) {
message = xmpp_stanza_get_text(body);
}
if (message) {
char *enc_message = NULL;
xmpp_stanza_t *x = xmpp_stanza_get_child_by_ns(stanza, STANZA_NS_ENCRYPTED);
if (x) {
enc_message = xmpp_stanza_get_text(x);
}
sv_ev_incoming_message(jid->barejid, jid->resourcepart, message, enc_message, timestamp, omemo);
xmpp_free(ctx, enc_message);
_receipt_request_handler(stanza);
if (omemo) {
free(message);
} else {
xmpp_free(ctx, message);
}
}
// handle chat sessions and states
if (!timestamp && jid->resourcepart) {
gboolean gone = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_GONE) != NULL;
gboolean typing = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_COMPOSING) != NULL;
gboolean paused = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_PAUSED) != NULL;
gboolean inactive = xmpp_stanza_get_child_by_name(stanza, STANZA_NAME_INACTIVE) != NULL;
if (gone) {
sv_ev_gone(jid->barejid, jid->resourcepart);
} else if (typing) {
sv_ev_typing(jid->barejid, jid->resourcepart);
} else if (paused) {
sv_ev_paused(jid->barejid, jid->resourcepart);
} else if (inactive) {
sv_ev_inactive(jid->barejid, jid->resourcepart);
} else if (stanza_contains_chat_state(stanza)) {
sv_ev_activity(jid->barejid, jid->resourcepart, TRUE);
} else {
sv_ev_activity(jid->barejid, jid->resourcepart, FALSE);
}
}
if (timestamp) g_date_time_unref(timestamp);
jid_destroy(jid);
}
static void
_send_message_stanza(xmpp_stanza_t *const stanza)
{
char *text;
size_t text_size;
xmpp_stanza_to_text(stanza, &text, &text_size);
xmpp_conn_t *conn = connection_get_conn();
char *plugin_text = plugins_on_message_stanza_send(text);
if (plugin_text) {
xmpp_send_raw_string(conn, "%s", plugin_text);
free(plugin_text);
} else {
xmpp_send_raw_string(conn, "%s", text);
}
xmpp_free(connection_get_ctx(), text);
}