void
handle_incoming_message(char *from, char *message, gboolean priv)
{
#ifdef HAVE_LIBOTR
gboolean was_decrypted = FALSE;
char *newmessage;
if (!priv) {
newmessage = otr_decrypt_message(from, message, &was_decrypted);
// internal OTR message
if (newmessage == NULL) {
return;
}
} else {
newmessage = message;
}
ui_incoming_msg(from, newmessage, NULL, priv);
ui_current_page_off();
if (prefs_get_boolean(PREF_CHLOG) && !priv) {
Jid *from_jid = jid_create(from);
const char *jid = jabber_get_fulljid();
Jid *jidp = jid_create(jid);
if (!was_decrypted || (strcmp(prefs_get_string(PREF_OTR_LOG), "on") == 0)) {
chat_log_chat(jidp->barejid, from_jid->barejid, newmessage, PROF_IN_LOG, NULL);
} else if (strcmp(prefs_get_string(PREF_OTR_LOG), "redact") == 0) {
chat_log_chat(jidp->barejid, from_jid->barejid, "[redacted]", PROF_IN_LOG, NULL);
}
jid_destroy(jidp);
jid_destroy(from_jid);
}
if (!priv)
otr_free_message(newmessage);
#else
ui_incoming_msg(from, message, NULL, priv);
ui_current_page_off();
if (prefs_get_boolean(PREF_CHLOG) && !priv) {
Jid *from_jid = jid_create(from);
const char *jid = jabber_get_fulljid();
Jid *jidp = jid_create(jid);
chat_log_chat(jidp->barejid, from_jid->barejid, message, PROF_IN_LOG, NULL);
jid_destroy(jidp);
jid_destroy(from_jid);
}
#endif
}
static void
_sv_ev_incoming_otr(ProfChatWin *chatwin, gboolean new_win, char *barejid, char *resource, char *message, GDateTime *timestamp)
{
gboolean decrypted = FALSE;
char *otr_res = otr_on_message_recv(barejid, resource, message, &decrypted);
if (otr_res) {
if (decrypted) {
chatwin_incoming_msg(chatwin, resource, otr_res, timestamp, new_win, PROF_MSG_OTR);
chatwin->pgp_send = FALSE;
} else {
chatwin_incoming_msg(chatwin, resource, otr_res, timestamp, new_win, PROF_MSG_PLAIN);
}
chat_log_otr_msg_in(barejid, otr_res, decrypted, timestamp);
otr_free_message(otr_res);
chatwin->pgp_recv = FALSE;
}
}
gboolean
otr_on_message_send(ProfChatWin *chatwin, const char *const message)
{
char *id = NULL;
prof_otrpolicy_t policy = otr_get_policy(chatwin->barejid);
// Send encrypted message
if (otr_is_secure(chatwin->barejid)) {
char *encrypted = otr_encrypt_message(chatwin->barejid, message);
if (encrypted) {
id = message_send_chat_otr(chatwin->barejid, encrypted);
chat_log_otr_msg_out(chatwin->barejid, message);
chatwin_outgoing_msg(chatwin, message, id, PROF_MSG_OTR);
otr_free_message(encrypted);
free(id);
return TRUE;
} else {
ui_win_error_line((ProfWin*)chatwin, "Failed to encrypt and send message.");
return TRUE;
}
}
// show error if not secure and policy always
if (policy == PROF_OTRPOLICY_ALWAYS) {
ui_win_error_line((ProfWin*)chatwin, "Failed to send message. OTR policy set to: always");
return TRUE;
}
// tag and send for policy opportunistic
if (policy == PROF_OTRPOLICY_OPPORTUNISTIC) {
char *otr_tagged_msg = otr_tag_message(message);
id = message_send_chat_otr(chatwin->barejid, otr_tagged_msg);
chatwin_outgoing_msg(chatwin, message, id, PROF_MSG_PLAIN);
chat_log_msg_out(chatwin->barejid, message);
free(otr_tagged_msg);
free(id);
return TRUE;
}
return FALSE;
}
void
sv_ev_incoming_message(char *barejid, char *resource, char *message, char *enc_message)
{
gboolean new_win = FALSE;
ProfChatWin *chatwin = wins_get_chat(barejid);
if (!chatwin) {
ProfWin *window = wins_new_chat(barejid);
chatwin = (ProfChatWin*)window;
new_win = TRUE;
}
// OTR suported, PGP supported
#ifdef HAVE_LIBOTR
#ifdef HAVE_LIBGPGME
prof_enc_t enc_mode = chatwin->enc_mode;
if (enc_message) {
if (enc_mode == PROF_ENC_OTR) {
win_println((ProfWin*)chatwin, "PGP encrypted message received whilst in OTR session.");
} else { // PROF_ENC_NONE, PROF_ENC_PGP
char *decrypted = p_gpg_decrypt(barejid, enc_message);
if (decrypted) {
if (enc_mode == PROF_ENC_NONE) {
win_println((ProfWin*)chatwin, "PGP encryption enabled.");
}
ui_incoming_msg(chatwin, resource, decrypted, NULL, new_win);
chat_log_pgp_msg_in(barejid, decrypted);
chatwin->enc_mode = PROF_ENC_PGP;
} else {
ui_incoming_msg(chatwin, resource, message, NULL, new_win);
chat_log_msg_in(barejid, message);
chatwin->enc_mode = PROF_ENC_NONE;
}
}
} else {
if (enc_mode == PROF_ENC_PGP) {
win_println((ProfWin*)chatwin, "PGP encryption disabled.");
ui_incoming_msg(chatwin, resource, message, NULL, new_win);
chat_log_msg_in(barejid, message);
chatwin->enc_mode = PROF_ENC_NONE;
} else {
gboolean decrypted = FALSE;
char *otr_res = otr_on_message_recv(barejid, resource, message, &decrypted);
if (otr_res) {
ui_incoming_msg(chatwin, resource, otr_res, NULL, new_win);
chat_log_otr_msg_in(barejid, otr_res, decrypted);
otr_free_message(otr_res);
}
}
}
return;
#endif
#endif
// OTR supported, PGP unsupported
#ifdef HAVE_LIBOTR
#ifndef HAVE_LIBGPGME
gboolean decrypted = FALSE;
char *otr_res = otr_on_message_recv(barejid, resource, message, &decrypted);
if (otr_res) {
ui_incoming_msg(chatwin, resource, otr_res, NULL, new_win);
chat_log_otr_msg_in(barejid, otr_res, decrypted);
otr_free_message(otr_res);
}
return;
#endif
#endif
// OTR unsupported, PGP supported
#ifndef HAVE_LIBOTR
#ifdef HAVE_LIBGPGME
if (enc_message) {
char *decrypted = p_gpg_decrypt(barejid, enc_message);
if (decrypted) {
ui_incoming_msg(chatwin, resource, decrypted, NULL, new_win);
chat_log_pgp_msg_in(barejid, decrypted);
chatwin->enc_mode = PROF_ENC_PGP;
} else {
ui_incoming_msg(chatwin, resource, message, NULL, new_win);
chat_log_msg_in(barejid, message);
chatwin->enc_mode = PROF_ENC_NONE;
}
} else {
ui_incoming_msg(chatwin, resource, message, NULL, new_win);
chat_log_msg_in(barejid, message);
chatwin->enc_mode = PROF_ENC_NONE;
}
return;
#endif
#endif
// OTR unsupported, PGP unsupported
#ifndef HAVE_LIBOTR
#ifndef HAVE_LIBGPGME
ui_incoming_msg(chatwin, resource, message, NULL, new_win);
chat_log_msg_in(barejid, message);
chatwin->enc_mode = PROF_ENC_NONE;
return;
#endif
#endif
}
void
handle_incoming_message(char *from, char *message, gboolean priv)
{
#ifdef HAVE_LIBOTR
gboolean was_decrypted = FALSE;
char *newmessage;
prof_otrpolicy_t policy = otr_get_policy(from);
char *whitespace_base = strstr(message,OTRL_MESSAGE_TAG_BASE);
if (!priv) {
//check for OTR whitespace (opportunistic or always)
if (policy == PROF_OTRPOLICY_OPPORTUNISTIC || policy == PROF_OTRPOLICY_ALWAYS) {
if (whitespace_base) {
if (strstr(message, OTRL_MESSAGE_TAG_V2) || strstr(message, OTRL_MESSAGE_TAG_V1)) {
// Remove whitespace pattern for proper display in UI
// Handle both BASE+TAGV1/2(16+8) and BASE+TAGV1+TAGV2(16+8+8)
int tag_length = 24;
if (strstr(message, OTRL_MESSAGE_TAG_V2) && strstr(message, OTRL_MESSAGE_TAG_V1)) {
tag_length = 32;
}
memmove(whitespace_base, whitespace_base+tag_length, tag_length);
char *otr_query_message = otr_start_query();
cons_show("OTR Whitespace pattern detected. Attempting to start OTR session...");
message_send(otr_query_message, from);
}
}
}
newmessage = otr_decrypt_message(from, message, &was_decrypted);
// internal OTR message
if (newmessage == NULL) {
return;
}
} else {
newmessage = message;
}
if (policy == PROF_OTRPOLICY_ALWAYS && !was_decrypted && !whitespace_base) {
char *otr_query_message = otr_start_query();
cons_show("Attempting to start OTR session...");
message_send(otr_query_message, from);
}
ui_incoming_msg(from, newmessage, NULL, priv);
if (prefs_get_boolean(PREF_CHLOG) && !priv) {
Jid *from_jid = jid_create(from);
const char *jid = jabber_get_fulljid();
Jid *jidp = jid_create(jid);
char *pref_otr_log = prefs_get_string(PREF_OTR_LOG);
if (!was_decrypted || (strcmp(pref_otr_log, "on") == 0)) {
chat_log_chat(jidp->barejid, from_jid->barejid, newmessage, PROF_IN_LOG, NULL);
} else if (strcmp(pref_otr_log, "redact") == 0) {
chat_log_chat(jidp->barejid, from_jid->barejid, "[redacted]", PROF_IN_LOG, NULL);
}
prefs_free_string(pref_otr_log);
jid_destroy(jidp);
jid_destroy(from_jid);
}
if (!priv)
otr_free_message(newmessage);
#else
ui_incoming_msg(from, message, NULL, priv);
if (prefs_get_boolean(PREF_CHLOG) && !priv) {
Jid *from_jid = jid_create(from);
const char *jid = jabber_get_fulljid();
Jid *jidp = jid_create(jid);
chat_log_chat(jidp->barejid, from_jid->barejid, message, PROF_IN_LOG, NULL);
jid_destroy(jidp);
jid_destroy(from_jid);
}
#endif
}
