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tgp-msg.c
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tgp-msg.c
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/*
This file is part of telegram-purple
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
Copyright Matthias Jentsch 2014-2016
*/
#include "telegram-purple.h"
#include <sys/stat.h>
#include <errno.h>
#include <locale.h>
#if !GLIB_CHECK_VERSION(2,30,0)
gchar *
g_utf8_substring (const gchar *str,
glong start_pos,
glong end_pos)
{
gchar *start, *end, *out;
start = g_utf8_offset_to_pointer (str, start_pos);
end = g_utf8_offset_to_pointer (start, end_pos - start_pos);
out = g_malloc (end - start + 1);
memcpy (out, start, end - start);
out[end - start] = 0;
return out;
}
#endif
static char *tgp_msg_service_display (struct tgl_state *TLS, struct tgl_message *M) {
g_return_val_if_fail(M && M->flags & TGLMF_SERVICE, NULL);
connection_data *conn = TLS->ev_base;
char *txt = NULL;
tgl_peer_t *fromPeer = tgl_peer_get (TLS, M->from_id);
g_return_val_if_fail(fromPeer != NULL, NULL);
const char *txt_user = fromPeer->print_name;
switch (M->action.type) {
case tgl_message_action_chat_create:
txt = g_strdup_printf (_("%2$s created chat %1$s."), M->action.title, txt_user);
break;
case tgl_message_action_chat_edit_title:
txt = g_strdup_printf (_("%2$s changed title to %1$s."), M->action.new_title, txt_user);
break;
case tgl_message_action_chat_edit_photo:
txt = g_strdup_printf (_("%s changed photo."), txt_user);
break;
case tgl_message_action_chat_delete_photo:
txt = g_strdup_printf (_("%s deleted photo."), txt_user);
break;
case tgl_message_action_chat_add_user_by_link: {
tgl_peer_t *actionPeer = tgl_peer_get (TLS, TGL_MK_USER (M->action.user));
if (actionPeer) {
char *alias = actionPeer->print_name;
PurpleConversation *conv = purple_find_chat (conn->gc, tgl_get_peer_id (M->to_id));
txt = g_strdup_printf (_("%1$s added user %2$s by link."), alias, txt_user);
if (conv) {
p2tgl_conv_add_user (TLS, conv, tgl_get_peer_id (fromPeer->id), NULL, 0, FALSE);
}
return txt;
}
break;
}
case tgl_message_action_chat_add_users: {
int i;
for (i = 0; i < M->action.user_num; ++i) {
tgl_peer_t *peer = tgl_peer_get (TLS, TGL_MK_USER (M->action.users[i]));
if (peer) {
char *alias = peer->print_name;
txt = g_strdup_printf (_("%2$s added user %1$s."), alias, txt_user);
PurpleConversation *conv = purple_find_chat (conn->gc, tgl_get_peer_id (M->to_id));
if (conv) {
p2tgl_conv_add_user (TLS, conv, M->action.users[i], NULL, 0, FALSE);
}
}
}
break;
}
case tgl_message_action_chat_delete_user: {
tgl_peer_t *peer = tgl_peer_get (TLS, TGL_MK_USER (M->action.user));
if (peer) {
tgl_peer_t *chatPeer = tgl_peer_get (TLS, M->to_id);
g_return_val_if_fail(tgl_get_peer_type (chatPeer->id) == TGL_PEER_CHAT, NULL);
// make sure that the chat is showing before deleting the user, otherwise the chat will be
// initialised after removing the chat and the chat will still contain the deleted user
PurpleConversation *conv = tgp_chat_show (TLS, chatPeer);
if (conv) {
char *alias = peer->print_name;
const char *aliasLeft = tgp_blist_lookup_purple_name (TLS, TGL_MK_USER (M->action.user));
if (tgl_get_peer_id (M->from_id) != tgl_get_peer_id (peer->id)) {
txt = g_strdup_printf (_("%2$s deleted user %1$s."), alias, txt_user);
}
g_return_val_if_fail (aliasLeft, NULL);
purple_conv_chat_remove_user (purple_conversation_get_chat_data (conv), aliasLeft, txt);
if (M->action.user == tgl_get_peer_id (TLS->our_id)) {
purple_conv_chat_left (purple_conversation_get_chat_data (conv));
}
// conv_del_user already printed a message, prevent a redundant message
// from being printed by returning NULL
g_free (txt);
return NULL;
}
char *alias = peer->print_name;
if (tgl_get_peer_id (M->from_id) != tgl_get_peer_id (peer->id)) {
txt = g_strdup_printf (_("%2$s deleted user %1$s."), alias, txt_user);
}
}
break;
}
case tgl_message_action_set_message_ttl:
txt = g_strdup_printf (P_("%2$s set self destruction timer to %1$d second.",
"%2$s set self destruction timer to %1$d seconds.",
M->action.ttl),
M->action.ttl, txt_user);
break;
case tgl_message_action_read_messages:
txt = g_strdup_printf (P_("%2$s marked %1$d message read.",
"%2$s marked %1$d messages read.",
M->action.read_cnt),
M->action.read_cnt, txt_user);
break;
case tgl_message_action_delete_messages:
txt = g_strdup_printf (P_("%2$s deleted %1$d message.",
"%2$s deleted %1$d messages.",
M->action.delete_cnt),
M->action.delete_cnt, txt_user);
break;
case tgl_message_action_screenshot_messages:
txt = g_strdup_printf (P_("%2$s made a screenshot of %1$d message.",
"%2$s made a screenshot of %1$d messages.",
M->action.screenshot_cnt),
M->action.screenshot_cnt, txt_user);
break;
case tgl_message_action_channel_create: {
txt = g_strdup_printf (_("Channel %1$s created"), M->action.title);
// FIXME: check if this makes sense
tgp_chat_blist_store (TLS, fromPeer, _("Telegram Channels"));
break;
}
default:
g_warn_if_reached();
break;
}
return txt;
}
static char *format_geo_link_osm (double lat, double lon) {
// assure that the floats are formatted with a dot
char *loc = setlocale (LC_NUMERIC, NULL);
setlocale (LC_NUMERIC, "en_US");
debug ("old locale: %s", loc);
char *link = g_strdup_printf ("https://www.openstreetmap.org/?mlat=%.6lf&mlon=%.6lf#map=17/%.6lf/%.6lf",
lat, lon, lat, lon);
// restore old locale
setlocale (LC_NUMERIC, loc);
return link;
}
static char *tgp_msg_file_display (struct tgl_state *TLS, const char *fpath, const char *fname, const char *fcapt,
const char *fmime, long long fsize) {
gchar *path = g_markup_escape_text (fpath, -1);
gchar *capt = g_markup_escape_text (fcapt, -1);
gchar *name = g_markup_escape_text (fname, -1);
gchar *mime = g_markup_escape_text (fmime, -1);
gchar *file = g_path_get_basename (path);
gchar *uri = get_download_uri (TLS, file);
gchar *size =
#if GLIB_CHECK_VERSION(2,30,0)
/* 'g_format_size' only exists since 2.30.0. */
g_format_size (fsize)
#elif GLIB_CHECK_VERSION(2,16,0)
/* 'g_format_size_for_display' only exists since 2.16.0.
* We compile on Windows with glib 2.28.8. */
g_format_size_for_display (fsize)
#else /* even older */
#error "Too outdated glib version!"
#endif
;
gchar *display_text = !g_strcmp0 (purple_core_get_ui(), "BitlBee")
? g_strdup_printf ("[%s %s %s %s]", capt, uri, mime, size)
: g_strdup_printf ("[%s <a href=\"%s\">%s</a> %s %s]", capt, uri, name, mime, size);
g_free (size);
g_free (uri);
g_free (file);
g_free (mime);
g_free (name);
g_free (capt);
return display_text;
}
static void tgp_msg_send_done (struct tgl_state *TLS, void *callback_extra, int success, struct tgl_message *M) {
if (! success) {
char *err = _("Sending message failed.");
warning (err);
if (M) {
tgp_msg_special_out (TLS, err, M->to_id, PURPLE_MESSAGE_ERROR | PURPLE_MESSAGE_NO_LOG);
}
assert (callback_extra != NULL);
warning ("Code %d: %s\n", TLS->error_code, TLS->error);
warning ("Message was: %s\n", (char *) callback_extra);
return;
}
write_files_schedule (TLS);
}
static gboolean tgp_msg_send_schedule_cb (gpointer data) {
connection_data *conn = data;
conn->out_timer = 0;
struct tgp_msg_sending *D = NULL;
while ((D = g_queue_peek_head (conn->out_messages))) {
g_queue_pop_head (conn->out_messages);
unsigned long long flags = TGLMF_HTML;
if (tgl_get_peer_type (D->to) == TGL_PEER_CHANNEL
&& !(tgl_peer_get (conn->TLS, D->to)->channel.flags & TGLCHF_MEGAGROUP)) {
flags |= TGLMF_POST_AS_CHANNEL;
}
// secret chats do not unescape html
if (tgl_get_peer_type (D->to) == TGL_PEER_ENCR_CHAT) {
gchar *unescaped = purple_unescape_html (D->msg);
g_free (D->msg);
D->msg = unescaped;
}
tgl_do_send_message (D->TLS, D->to, D->msg, (int)strlen (D->msg), flags, NULL, tgp_msg_send_done, D->msg);
tgp_msg_sending_free (D);
}
return FALSE;
}
static void tgp_msg_send_schedule (struct tgl_state *TLS, const char *chunk, tgl_peer_id_t to) {
g_queue_push_tail (tls_get_data (TLS)->out_messages, tgp_msg_sending_init (TLS, g_strdup (chunk), to));
if (tls_get_data (TLS)->out_timer) {
purple_timeout_remove (tls_get_data (TLS)->out_timer);
}
tls_get_data (TLS)->out_timer = purple_timeout_add (0, tgp_msg_send_schedule_cb, tls_get_data (TLS));
}
void tgp_msg_special_out (struct tgl_state *TLS, const char *msg, tgl_peer_id_t to_id, int flags) {
if (tgl_get_peer_type (to_id) == TGL_PEER_CHAT) {
tgp_chat_got_in (TLS, tgl_peer_get (TLS, to_id), to_id, msg, flags, time(0));
} else {
// Regular IM conversations will not display specialized message flags like PURPLE_MESSAGE_ERROR or
// PURPLE_MESSAGE_SYSTEM correctly when using serv_got_in, therefore it is necessary to use the underlying
// conversation directly.
const char *name = tgp_blist_lookup_purple_name (TLS, to_id);
PurpleConversation *conv = p2tgl_find_conversation_with_account (TLS, to_id);
g_return_if_fail (name);
if (! conv) {
// if the conversation isn't open yet, create one with that name
conv = purple_conversation_new (PURPLE_CONV_TYPE_IM, tls_get_pa (TLS), name);
}
purple_conversation_write (conv, name, msg, flags, time(0));
}
}
void send_inline_picture_done (struct tgl_state *TLS, void *extra, int success, struct tgl_message *msg) {
if (!success) {
char *errormsg = g_strdup_printf ("%d: %s", TLS->error_code, TLS->error);
failure (errormsg);
purple_notify_message (_telegram_protocol, PURPLE_NOTIFY_MSG_ERROR, _("Sending image failed."),
errormsg, NULL, NULL, NULL);
g_free (errormsg);
return;
}
}
static GList *tgp_msg_imgs_parse (const char *msg) {
GList *imgs = NULL;
int i;
int len = (int) strlen (msg);
for (i = 0; i < len; i ++) {
if (len - i >= 4 && (! memcmp (msg + i, "<IMG", 4) || ! memcmp (msg + i, "<img", 4))) {
i += 4;
int e = i;
while (msg[++ e] != '>' && e < len) {}
gchar *id = NULL;
if ((id = g_strstr_len (msg + i, e - i, "ID=\"")) || (id = g_strstr_len (msg + i, e - i, "id=\""))) {
int img = atoi (id + 4);
debug ("parsed img id %d", img);
if (img > 0) {
PurpleStoredImage *psi = purple_imgstore_find_by_id (img);
if (psi) {
imgs = g_list_append (imgs, psi);
} else {
g_warn_if_reached();
}
}
} else {
g_warn_if_reached();
}
i = e;
}
}
return imgs;
}
static char *tgp_msg_markdown_convert (const char *msg) {
int len = (int) strlen (msg);
char *html = g_new0(gchar, 3 * len);
// strip any known-breaking html tags
#define STRIP_BROKEN_HTML(PREFIX,SUFFIX) \
if (g_str_has_prefix (msg, (PREFIX)) && g_str_has_suffix (msg, (SUFFIX))) { \
msg += sizeof(PREFIX) - 1; \
len -= (sizeof(PREFIX) - 1) + (sizeof(SUFFIX) - 1); \
}
STRIP_BROKEN_HTML("<SPAN style=\"direction:rtl;text-align:right;\">","</SPAN>");
// more STRIP_BROKEN_HTML invocations here, if necessary
#undef STRIP_BROKEN_HTML
int open = FALSE;
int i, j;
for (i = 0, j = 0; i < len; i ++) {
// markdown for bold and italic doesn't seem to work with non-bots, therefore only parse code-tags
if (len - i < 3 || (memcmp (msg + i, "```", 3))) {
html[j ++] = msg[i];
} else {
i += 2;
if (! open) {
assert(j + 6 < 3 * len);
memcpy(html + j, "<code>", 6);
j += 6;
} else {
assert(j + 7 < 3 * len);
memcpy(html + j, "</code>", 7);
j += 7;
}
open = ! open;
}
}
html[j] = 0;
return html;
}
int tgp_msg_send (struct tgl_state *TLS, const char *message, tgl_peer_id_t to) {
// send all inline images
GList *imgs = tgp_msg_imgs_parse (message);
debug ("parsed %d images in messages", g_list_length (imgs));
while (imgs) {
PurpleStoredImage *psi = imgs->data;
gchar *tmp = g_build_filename (g_get_tmp_dir(), purple_imgstore_get_filename (psi), NULL) ;
GError *err = NULL;
gconstpointer data = purple_imgstore_get_data (psi);
g_file_set_contents (tmp, data, purple_imgstore_get_size (psi), &err);
if (! err) {
debug ("sending img='%s'", tmp);
tgl_do_send_document (TLS, to, tmp, NULL, 0,
TGL_SEND_MSG_FLAG_DOCUMENT_AUTO | (tgl_get_peer_type (to) == TGL_PEER_CHANNEL) ? TGLMF_POST_AS_CHANNEL : 0,
send_inline_picture_done, NULL);
} else {
failure ("error=%s", err->message);
g_warn_if_reached();
}
imgs = g_list_next(imgs);
}
// replace markdown with html
char *html = g_strstrip(tgp_msg_markdown_convert (message));
// check message length
int size = (int) g_utf8_strlen (html, -1);
if (size == 0) {
g_free (html);
return 0; // fail quietly on empty messages
}
if (size > TGP_MAX_MSG_SIZE * TGP_DEFAULT_MAX_MSG_SPLIT_COUNT) {
g_free (html);
return -E2BIG;
}
// send big message as multiple chunks
int start = 0;
while (size > start) {
int end = start + (int)TGP_MAX_MSG_SIZE;
if (end > size) {
end = size;
}
char *chunk = g_utf8_substring (html, start, end);
tgp_msg_send_schedule (TLS, chunk, to);
start = end;
}
g_free (html);
// return 0 to assure that the picture is not echoed, since
// it will already be echoed with the outgoing message
return 0;
}
//Some media messages provide captions for the media. If the caption is supported and not empty,
//this adds it to the already generated supplemental text.
//Frees the old version of the text and returns the new one.
char *tgp_msg_add_media_caption(char *current_text, struct tgl_message *M) {
if (!M) return current_text; //safety
//Only some types of media have caption field -- others may have garbage (check tgl_layout.h/tgl_message_media)
switch (M->media.type) {
//Certainly have caption
case tgl_message_media_photo:
case tgl_message_media_document:
case tgl_message_media_audio: //stored as documents
case tgl_message_media_video: //stored as documents
break;
//Do not have captions or we're not sure
case tgl_message_media_none:
case tgl_message_media_document_encr:
case tgl_message_media_geo:
case tgl_message_media_venue:
case tgl_message_media_contact:
case tgl_message_media_webpage:
case tgl_message_media_unsupported:
default:
return current_text;
}
//No caption
if (!str_not_empty (M->media.caption))
return current_text;
char *old = current_text;
if (str_not_empty (current_text)) {
current_text = g_strdup_printf ("%s<br>%s", old, M->media.caption);
} else {
current_text = g_strdup(M->media.caption);
}
g_free (old);
return current_text;
}
static char *tgp_msg_photo_display (struct tgl_state *TLS, const char *filename, int *flags) {
connection_data *conn = TLS->ev_base;
int img = p2tgl_imgstore_add_with_id (filename);
if (img <= 0) {
failure ("Cannot display picture, adding to imgstore failed.");
return NULL;
}
used_images_add (conn, img);
if (g_strcmp0(purple_core_get_ui(), "BitlBee") == 0) {
*flags |= PURPLE_MESSAGE_SYSTEM;
gchar *file = g_path_get_basename (filename);
gchar *uri = get_download_uri (TLS, file);
g_free(file);
return uri;
} else {
*flags |= PURPLE_MESSAGE_IMAGES;
return tgp_format_img (img);
}
}
static char *tgp_msg_sticker_display (struct tgl_state *TLS, tgl_peer_id_t from, const char *filename, int *flags) {
char *text = NULL;
#ifdef HAVE_LIBWEBP
connection_data *conn = TLS->ev_base;
int img = p2tgl_imgstore_add_with_id_webp ((char *) filename);
if (img <= 0) {
failure ("Cannot display sticker, adding to imgstore failed");
return NULL;
}
used_images_add (conn, img);
text = tgp_format_img (img);
*flags |= PURPLE_MESSAGE_IMAGES;
#else
const char *txt_user = tgp_blist_lookup_purple_name (TLS, from);
g_return_val_if_fail (txt_user, NULL);
text = g_strdup_printf (_("%s sent a sticker."), txt_user);
*flags |= PURPLE_MESSAGE_SYSTEM;
#endif
return text;
}
//`reply` and `replyee` can be NULL if it comes to that
static char *tgp_msg_reply_display (struct tgl_state *TLS, tgl_peer_t *replyee, struct tgl_message *reply, const char *message) {
g_return_val_if_fail(message, NULL);
// the text quoted by the reply
char *quote = NULL;
// Degrade gracefully if the caller doesn't have the quoted message --
// at least display the reply itself
if (!reply) {
quote = g_strdup(_("[message unavailable]"));
} else
if (reply->flags & TGLMF_SERVICE) {
quote = tgp_msg_service_display (TLS, reply);
g_return_val_if_fail(quote == NULL, NULL);
} else {
switch (reply->media.type) {
case tgl_message_media_none:
quote = purple_markup_escape_text (reply->message, strlen (reply->message));
tgp_replace (quote, '\n', ' ');
break;
case tgl_message_media_photo:
quote = g_strdup(_("[photo]"));
break;
case tgl_message_media_audio:
quote = g_strdup(_("[audio]"));
break;
case tgl_message_media_video:
quote = g_strdup(_("[video]"));
break;
case tgl_message_media_document:
case tgl_message_media_document_encr:
quote = g_strdup(_("[document]"));
break;
case tgl_message_media_geo:
case tgl_message_media_venue:
quote = g_strdup(_("[position]")); // TODO: render
break;
case tgl_message_media_contact:
quote = g_strdup(_("[contact]")); // TODO: render
break;
case tgl_message_media_webpage:
quote = g_strdup(_("[webpage]"));
break;
case tgl_message_media_unsupported:
quote = g_strdup(_("[unsupported media]"));
break;
default:
g_warn_if_reached();
return NULL;
break;
}
}
if (reply)
quote = tgp_msg_add_media_caption(quote, reply); //add media caption if present
// the combined reply
// insert line-break in non-adium clients to display
// all lines of the quotation on the same level
const char *br = "";
#ifndef __ADIUM_
br = "<br>";
#endif
char *value = NULL;
if (replyee) {
const char *name = replyee->print_name;
value = g_strdup_printf (_("%s<b>> %s wrote:</b><br>> %s<br>%s"), br, name, quote, message);
} else {
value = g_strdup_printf (_("%s<b>> Unknown user wrote:</b><br>> %s<br>%s"), br, quote, message);
}
g_free (quote);
return value;
}
static void tgp_msg_display (struct tgl_state *TLS, struct tgp_msg_loading *C) {
struct tgl_message *M = C->msg;
char *text = NULL;
int flags = 0;
if (M->flags & (TGLMF_EMPTY | TGLMF_DELETED)) {
return;
}
if (!(M->flags & TGLMF_CREATED)) {
return;
}
if (!tgl_get_peer_type (M->to_id)) {
warning ("Bad msg\n");
return;
}
#ifdef __ADIUM_
// prevent double messages in Adium >= v1.6
if (tgp_outgoing_msg (TLS, M)
&& tgl_get_peer_type (M->to_id) != TGL_PEER_CHANNEL
&& tgl_get_peer_type (M->to_id) != TGL_PEER_CHAT) {
return;
}
#endif
// filter empty messages or messages with invalid recipients
if (! M->message || !tgl_get_peer_type (M->to_id)) {
return;
}
// Mark messages that contain a mention as if they contained our current nick name
// FIXME: doesn't work in Adium
if (M->flags & TGLMF_MENTION) {
flags |= PURPLE_MESSAGE_NICK;
}
// Mark carbons of our own messages
if (tgp_our_msg (TLS, M)) {
flags |= PURPLE_MESSAGE_SEND;
flags &= ~PURPLE_MESSAGE_RECV;
} else {
flags |= PURPLE_MESSAGE_RECV;
}
// handle messages that failed to load
if (C->error) {
const char *err = C->error_msg;
if (! err) {
err = _("failed loading message");
}
tgp_msg_special_out (TLS, err, tgp_our_msg (TLS, M) ? M->from_id : M->to_id, PURPLE_MESSAGE_ERROR);
return;
}
// format the message text
if (M->flags & TGLMF_SERVICE) {
text = tgp_msg_service_display (TLS, M);
flags |= PURPLE_MESSAGE_SYSTEM;
} else
switch (M->media.type) {
case tgl_message_media_none:
if (str_not_empty (M->message)) {
text = purple_markup_escape_text (M->message, strlen (M->message));
}
break;
case tgl_message_media_photo:
if (M->media.photo) {
g_return_if_fail(C->data != NULL);
text = tgp_msg_photo_display (TLS, C->data, &flags);
}
break;
case tgl_message_media_document:
case tgl_message_media_video:
case tgl_message_media_audio:
if (M->media.document->flags & TGLDF_STICKER) {
g_return_if_fail(C->data != NULL);
text = tgp_msg_sticker_display (TLS, M->from_id, C->data, &flags);
} else if (M->media.document->flags & TGLDF_IMAGE && !(M->media.document->flags & TGLDF_ANIMATED)) {
g_return_if_fail(C->data != NULL);
text = tgp_msg_photo_display (TLS, C->data, &flags);
} else {
// Automatically loaded files have C->data set to the file path
if (C->data) {
const char* path = C->data;
// Content of a file transfer
const char *caption = _("document");
if (M->media.document->flags & TGLDF_AUDIO) {
// Content of a file transfer
caption = _("audio");
} else if (M->media.document->flags & TGLDF_ANIMATED) {
// Content of a file transfer
caption = _("animation");
} else if (M->media.document->flags & TGLDF_VIDEO) {
// Content of a file transfer
caption = _("video");
}
const char *filename = M->media.document->caption;
if (! str_not_empty (filename)) {
// audio and video snippets recorded from Telegram don't have captions
const char *segment = path + strlen(path) - 1;
while (segment > (char *)path && *segment != G_DIR_SEPARATOR) {
segment --;
}
if (g_strcmp0(purple_core_get_ui(), "BitlBee") == 0) {
chmod(filename, 0444);
}
filename = segment + 1;
}
const char *mime = "";
if (str_not_empty (M->media.document->mime_type)) {
mime = M->media.document->mime_type;
}
text = tgp_msg_file_display (TLS, path, filename, caption, mime, M->media.document->size);
} else {
if (! tgp_our_msg (TLS, M) && ! tls_get_ft_discard (TLS)) {
tgprpl_recv_file (tls_get_conn (TLS), tgp_blist_lookup_purple_name (TLS, M->from_id), M);
}
return;
}
}
break;
case tgl_message_media_document_encr:
if (M->media.encr_document->flags & TGLDF_STICKER) {
g_return_if_fail(C->data != NULL);
text = tgp_msg_sticker_display (TLS, M->from_id, C->data, &flags);
} if (M->media.encr_document->flags & TGLDF_IMAGE) {
g_return_if_fail(C->data != NULL);
text = tgp_msg_photo_display (TLS, C->data, &flags);
} else {
if (! tgp_our_msg (TLS, M)) {
if (C->data) {
// Content of a file transfer
text = tgp_msg_file_display (TLS, C->data, M->media.encr_document->caption, _("document"),
M->media.encr_document->mime_type, M->media.encr_document->size);
} else {
tgprpl_recv_file (tls_get_conn (TLS), tgp_blist_lookup_purple_name (TLS, M->to_id), M);
return;
}
}
}
break;
case tgl_message_media_contact:
text = g_strdup_printf ("<b>%s %s</b> %s", M->media.first_name, M->media.last_name, M->media.phone);
break;
case tgl_message_media_venue: {
char *address = NULL;
if (M->media.venue.address && strcmp (M->media.venue.title, M->media.venue.address)) {
address = g_strdup_printf (" %s", M->media.venue.address);
}
char *pos = format_geo_link_osm (M->media.venue.geo.latitude, M->media.geo.longitude);
text = g_strdup_printf ("<a href=\"%s\">%s</a>%s",
pos,
M->media.venue.title ? M->media.venue.title : "", address ? address : "");
if (address) {
g_free (address);
}
g_free (pos);
break;
}
case tgl_message_media_geo: {
char *pos = format_geo_link_osm (M->media.venue.geo.latitude, M->media.geo.longitude);
text = g_strdup_printf ("<a href=\"%s\">%s</a>", pos, pos);
g_free (pos);
break;
}
case tgl_message_media_webpage: {
char *msg = g_strdup (M->message);
text = purple_markup_escape_text (msg, strlen (msg));
g_free (msg);
break;
}
default:
warning ("received unknown media type: %d", M->media.type);
break;
}
text = tgp_msg_add_media_caption(text, M); //add media caption if present
if (tgl_get_peer_type (M->to_id) != TGL_PEER_ENCR_CHAT
&& tgl_get_peer_type (M->to_id) != TGL_PEER_CHANNEL
&& ! (M->flags & TGLMF_UNREAD)) {
// why?
flags |= PURPLE_MESSAGE_DELAYED;
}
// TODO: is that a problem?
// some service messages (like removing/adding users from chats) might print the message
// text through other means and leave the text empty
if (! str_not_empty (text)) {
return;
}
// forwarded messages
if (tgl_get_peer_type (M->fwd_from_id) != TGL_PEER_UNKNOWN) {
debug("forwarded message: fwd_from_id=%d", tgl_get_peer_id(M->fwd_from_id));
// may be NULL
tgl_peer_t *FP = tgl_peer_get (TLS, M->fwd_from_id);
// do not run this through tgp_message_reply_display! it doesn't handle media, forwards are all about media
// keep the full body we've generated
char *tmp = text;
if (FP) {
const char *name = FP->print_name;
text = g_strdup_printf (_("<b>> Forwarded from %s:</b><br>> %s"), name, text);
} else {
text = g_strdup_printf (_("<b>> Forwarded:</b><br>> %s"), text);
}
g_free (tmp);
g_return_if_fail(text != NULL);
}
// replys
if (M->reply_id) {
debug("message reply: reply_id=%d", M->reply_id);
tgl_message_id_t msg_id = M->permanent_id;
msg_id.id = M->reply_id;
struct tgl_message *reply = tgl_message_get (TLS, &msg_id);
//The quoted message should have been prefetched by tgp_msg_recv()
//but if we don't have it, at least display the reply itself
tgl_peer_t *replyee = NULL;
if (reply) {
replyee = tgl_peer_get (TLS, reply->from_id);
g_return_if_fail(replyee != NULL);
};
char *tmp = text;
text = tgp_msg_reply_display(TLS, replyee, reply, tmp);
g_free (tmp);
g_return_if_fail(text != NULL);
}
// display the message to the user
switch (tgl_get_peer_type (M->to_id)) {
case TGL_PEER_CHANNEL: {
tgl_peer_t *P = tgl_peer_get (TLS, M->to_id);
g_return_if_fail(P != NULL);
if (P->channel.flags & TGLCHF_MEGAGROUP) {
// sender is the group
tgp_chat_got_in (TLS, P, M->from_id, text, flags, M->date);
} else {
// sender is the channel itself
tgp_chat_got_in (TLS, P, P->id, text, flags, M->date);
}
break;
}
case TGL_PEER_CHAT: {
tgl_peer_t *P = tgl_peer_get (TLS, M->to_id);
g_return_if_fail(P != NULL);
tgp_chat_got_in (TLS, P, (flags & PURPLE_MESSAGE_SEND) ? M->to_id : M->from_id, text, flags, M->date);
break;
}
case TGL_PEER_ENCR_CHAT: {
p2tgl_got_im_combo (TLS, (flags & PURPLE_MESSAGE_SEND) ? M->to_id : M->from_id, text, flags, M->date);
break;
}
case TGL_PEER_USER: {
p2tgl_got_im_combo (TLS, (flags & PURPLE_MESSAGE_SEND) ? M->to_id : M->from_id, text, flags, M->date);
break;
}
}
g_free (text);
}
static time_t tgp_msg_oldest_relevant_ts (struct tgl_state *TLS) {
connection_data *conn = TLS->ev_base;
int days = purple_account_get_int (conn->pa, TGP_KEY_HISTORY_RETRIEVAL_THRESHOLD,
TGP_DEFAULT_HISTORY_RETRIEVAL_THRESHOLD);
return days > 0 ? tgp_time_n_days_ago (days) : 0;
}
static void tgp_msg_process_in_ready (struct tgl_state *TLS) {
connection_data *conn = TLS->ev_base;
struct tgp_msg_loading *C;
while ((C = g_queue_peek_head (conn->new_messages))) {
if (C->pending) {
break;
}
g_queue_pop_head (conn->new_messages);
tgp_msg_display (TLS, C);
pending_reads_add (TLS, C->msg);
if (C->data) {
g_free (C->data);
}
if (C->error_msg) {
g_free (C->error_msg);
}
tgp_msg_loading_free (C);
}
pending_reads_send_all (TLS);
debug ("tgp_msg_process_in_ready, queue size=%d", g_queue_get_length (conn->new_messages));
}
static void tgp_msg_on_loaded_document (struct tgl_state *TLS, void *extra, int success, const char *filename) {
debug ("tgp_msg_on_loaded_document()");
struct tgp_msg_loading *C = extra;
if (success) {
C->data = (void *) g_strdup (filename);
} else {
g_warn_if_reached();
C->error = TRUE;
C->error_msg = g_strdup (_("loading document or picture failed"));
}
-- C->pending;
tgp_msg_process_in_ready (TLS);
}
static void tgp_msg_on_loaded_chat_full (struct tgl_state *TLS, void *extra, int success, struct tgl_chat *chat) {
debug ("tgp_msg_on_loaded_chat_full()");
if (! success) {
// foreign user's names won't be displayed in the user list
g_warn_if_reached();
}
struct tgp_msg_loading *C = extra;
-- C->pending;
tgp_msg_process_in_ready (TLS);
}
static void tgp_msg_on_loaded_channel_history (struct tgl_state *TLS, void *extra, int success, tgl_peer_t *P) {
struct tgp_msg_loading *C = extra;
-- C->pending;
tgp_msg_process_in_ready (TLS);
}
//A callback for when tgp_do_load_message finishes preloading a requested message
static void tgp_msg_on_loaded_message_for_cache(struct tgl_state *TLS, void *extra, int success, struct tgl_message *M) {
struct tgp_msg_loading *C = extra;
-- C->pending;
//Do nothing: The message is cached automatically by the underlying library
//and we don't want to pass it to tgp_msg_recv() for display
tgp_msg_process_in_ready (TLS);
}
/*
static void tgp_msg_on_loaded_user_full (struct tgl_state *TLS, void *extra, int success, struct tgl_user *U) {
debug ("tgp_msg_on_loaded_user_full()");
struct tgp_msg_loading *C = extra;
-- C->pending;
tgp_msg_process_in_ready (TLS);
}
*/
/*
Libpurple message history is immutable and cannot be changed after printing a message.
TGP currently keeps the first-in first-out queue *new_messages* to ensure that
the messages are being printed in the correct order. When its necessary to fetch
additional info (like attached pictures) before this can be done, the queue will hold
all newer messages until the old message was completely loaded.
*/
void tgp_msg_recv (struct tgl_state *TLS, struct tgl_message *M, GList *before) {
debug ("tgp_msg_recv before=%p server_id=%lld", before, M->server_id);
if (M->flags & (TGLMF_EMPTY | TGLMF_DELETED)) {
return;
}