HGKeeper

* Image Uploader - an inline images implementation for protocols without

* support for such feature.

* 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 "internal.h"

#include <purple.h>

#include "gtkconv.h"

#include "gtkplugin.h"

#include "gtkutils.h"

#include "gtkwebviewtoolbar.h"

#include <json-glib/json-glib.h>

#include <libsoup/soup.h>

#define IMGUP_IMGUR_CLIENT_ID "b6d33c6bb80e1b6"

#define IMGUP_PREF_PREFIX "/plugins/gtk/imgupload/"

static PurplePlugin *plugin_handle = NULL;

static SoupSession *session = NULL;

static void

imgup_upload_done(PidginWebView *webview, const gchar *url, const gchar *title);

static void

imgup_upload_failed(PidginWebView *webview);

/******************************************************************************

* Helper functions

******************************************************************************/

static gboolean

imgup_conn_is_hooked(PurpleConnection *gc)

{

return GPOINTER_TO_INT(g_object_get_data(G_OBJECT(gc), "imgupload-set"));

}

/******************************************************************************

* Imgur implementation

******************************************************************************/

static void

imgup_imgur_uploaded(G_GNUC_UNUSED SoupSession *session, SoupMessage *msg,

gpointer _webview)

{

JsonParser *parser;

JsonObject *result;

PidginWebView *webview = PIDGIN_WEBVIEW(_webview);

const gchar *url, *title;

if (!SOUP_STATUS_IS_SUCCESSFUL(msg->status_code)) {

imgup_upload_failed(webview);

return;

}

parser = json_parser_new();

if (!json_parser_load_from_data(parser, msg->response_body->data,

msg->response_body->length, NULL)) {

purple_debug_warning("imgupload", "Invalid json got from imgur");

imgup_upload_failed(webview);

return;

}

result = json_node_get_object(json_parser_get_root(parser));

if (!json_object_get_boolean_member(result, "success")) {

g_object_unref(parser);

purple_debug_warning("imgupload", "imgur - not a success");

imgup_upload_failed(webview);

return;

}

result = json_object_get_object_member(result, "data");

url = json_object_get_string_member(result, "link");

title = g_object_get_data(G_OBJECT(msg), "imgupload-imgur-name");

imgup_upload_done(webview, url, title);

g_object_unref(parser);

g_object_set_data(G_OBJECT(msg), "imgupload-imgur-name", NULL);

}

static PurpleHttpConnection *

imgup_imgur_upload(PidginWebView *webview, PurpleImage *image)

{

SoupMessage *msg;

gchar *req_data, *img_data, *img_data_e;

msg = soup_message_new("POST", "https://api.imgur.com/3/image");

soup_message_headers_replace(msg, "Authorization",

"Client-ID " IMGUP_IMGUR_CLIENT_ID);

/* TODO: make it a plain, multipart/form-data request */

img_data = g_base64_encode(purple_image_get_data(image),

purple_image_get_data_size(image));

img_data_e = g_uri_escape_string(img_data, NULL, FALSE);

g_free(img_data);

req_data = g_strdup_printf("type=base64&image=%s", img_data_e);

g_free(img_data_e);

soup_message_set_request(msg, "application/x-www-form-urlencoded",

SOUP_MESSAGE_TAKE, req_data, strlen(req_data));

g_object_set_data_full(G_OBJECT(msg), "imgupload-imgur-name",

g_strdup(purple_image_get_friendly_filename(image)),

g_free);

soup_session_queue_message(session, msg, imgup_imgur_uploaded, webview);

return msg;

}

/******************************************************************************

* Image/link upload and insertion

******************************************************************************/

static void

imgup_upload_finish(PidginWebView *webview)

{

gpointer plswait;

g_object_steal_data(G_OBJECT(webview), "imgupload-msg");

plswait = g_object_get_data(G_OBJECT(webview), "imgupload-plswait");

g_object_set_data(G_OBJECT(webview), "imgupload-plswait", NULL);

if (plswait)

purple_request_close(PURPLE_REQUEST_WAIT, plswait);

}

static void

imgup_upload_done(PidginWebView *webview, const gchar *url, const gchar *title)

{

gboolean url_desc;

imgup_upload_finish(webview);

if (!purple_prefs_get_bool(IMGUP_PREF_PREFIX "use_url_desc"))

url_desc = FALSE;

else {

PidginWebViewButtons format;

format = pidgin_webview_get_format_functions(webview);

url_desc = format & PIDGIN_WEBVIEW_LINKDESC;

}

pidgin_webview_insert_link(webview, url, url_desc ? title : NULL);

}

static void

imgup_upload_failed(PidginWebView *webview)

{

gboolean is_cancelled;

imgup_upload_finish(webview);

is_cancelled = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(webview),

"imgupload-cancelled"));

g_object_set_data(G_OBJECT(webview), "imgupload-cancelled", NULL);

if (!is_cancelled)

purple_debug_error("imgupload", "Failed uploading image");

}

static void

imgup_upload_cancel_message(SoupMessage *msg)

{

soup_session_cancel_message(session, msg, SOUP_STATUS_CANCELLED);

}

static void

imgup_upload_cancel(gpointer _webview)

{

SoupMessage *msg;

PidginWebView *webview = PIDGIN_WEBVIEW(_webview);

g_object_set_data(G_OBJECT(webview), "imgupload-plswait", NULL);

g_object_set_data(G_OBJECT(webview), "imgupload-cancelled",

GINT_TO_POINTER(TRUE));

msg = g_object_steal_data(G_OBJECT(webview), "imgupload-msg");

if (msg) {

soup_session_cancel_message(session, msg, SOUP_STATUS_CANCELLED);

}

static gboolean

imgup_upload_start(PidginWebView *webview, PurpleImage *image, gpointer _gtkconv)

{

PidginConversation *gtkconv = _gtkconv;

PurpleConversation *conv = gtkconv->active_conv;

SoupMessage *msg;

gpointer plswait;

if (!imgup_conn_is_hooked(purple_conversation_get_connection(conv)))

return FALSE;

msg = imgup_imgur_upload(webview, image);

g_object_set_data_full(G_OBJECT(webview), "imgupload-msg", msg,

(GDestroyNotify)imgup_upload_cancel_message);

plswait = purple_request_wait(plugin_handle, _("Uploading image"),

_("Please wait for image URL being retrieved..."),

NULL, FALSE, imgup_upload_cancel,

purple_request_cpar_from_conversation(conv), webview);

g_object_set_data(G_OBJECT(webview), "imgupload-plswait", plswait);

return TRUE;

}

/******************************************************************************

* Setup/cleanup

******************************************************************************/

static void

imgup_pidconv_init(PidginConversation *gtkconv)

{

PidginWebView *webview;

webview = PIDGIN_WEBVIEW(gtkconv->entry);

g_signal_connect(G_OBJECT(webview), "insert-image",

G_CALLBACK(imgup_upload_start), gtkconv);

}

static void

imgup_pidconv_uninit(PidginConversation *gtkconv)

{

PidginWebView *webview;

webview = PIDGIN_WEBVIEW(gtkconv->entry);

g_signal_handlers_disconnect_by_func(G_OBJECT(webview),

G_CALLBACK(imgup_upload_start), gtkconv);

}

static void

imgup_conv_init(PurpleConversation *conv)

{

PurpleConnection *gc;

gc = purple_conversation_get_connection(conv);

if (!gc)

return;

if (!imgup_conn_is_hooked(gc))

return;

purple_conversation_set_features(conv,

purple_conversation_get_features(conv) &

~PURPLE_CONNECTION_FLAG_NO_IMAGES);

g_object_set_data(G_OBJECT(conv), "imgupload-set", GINT_TO_POINTER(TRUE));

}

static void

imgup_conv_uninit(PurpleConversation *conv)

{

PurpleConnection *gc;

gc = purple_conversation_get_connection(conv);

if (gc) {

if (!imgup_conn_is_hooked(gc))

return;

} else {

if (!g_object_get_data(G_OBJECT(conv), "imgupload-set"))

return;

}

purple_conversation_set_features(conv,

purple_conversation_get_features(conv) |

PURPLE_CONNECTION_FLAG_NO_IMAGES);

g_object_set_data(G_OBJECT(conv), "imgupload-set", NULL);

}

static void

imgup_conn_init(PurpleConnection *gc)

{

PurpleConnectionFlags flags;

flags = purple_connection_get_flags(gc);

if (!(flags & PURPLE_CONNECTION_FLAG_NO_IMAGES))

return;

flags &= ~PURPLE_CONNECTION_FLAG_NO_IMAGES;

purple_connection_set_flags(gc, flags);

g_object_set_data(G_OBJECT(gc), "imgupload-set", GINT_TO_POINTER(TRUE));

}

static void

imgup_conn_uninit(PurpleConnection *gc)

{

if (!imgup_conn_is_hooked(gc))

return;

purple_connection_set_flags(gc, purple_connection_get_flags(gc) |

PURPLE_CONNECTION_FLAG_NO_IMAGES);

g_object_set_data(G_OBJECT(gc), "imgupload-set", NULL);

}

/******************************************************************************

* Prefs

******************************************************************************/

static void

imgup_prefs_ok(gpointer _unused, PurpleRequestFields *fields)

{

gboolean use_url_desc;

use_url_desc = purple_request_fields_get_bool(fields, "use_url_desc");

purple_prefs_set_bool(IMGUP_PREF_PREFIX "use_url_desc", use_url_desc);

}

static gpointer

imgup_prefs_get(PurplePlugin *plugin)

{

PurpleRequestCommonParameters *cpar;

PurpleRequestFields *fields;

PurpleRequestFieldGroup *group;

PurpleRequestField *field;

gpointer handle;

fields = purple_request_fields_new();

group = purple_request_field_group_new(NULL);

purple_request_fields_add_group(fields, group);

field = purple_request_field_bool_new("use_url_desc",

_("Use image filename as link description"),

purple_prefs_get_bool(IMGUP_PREF_PREFIX "use_url_desc"));

purple_request_field_group_add_field(group, field);

cpar = purple_request_cpar_new();

purple_request_cpar_set_icon(cpar, PURPLE_REQUEST_ICON_DIALOG);

handle = purple_request_fields(plugin,

_("Image Uploader"), NULL, NULL, fields,

_("OK"), (GCallback)imgup_prefs_ok,

_("Cancel"), NULL,

cpar, NULL);

return handle;

}

/******************************************************************************

* Plugin stuff

******************************************************************************/

static PidginPluginInfo *

plugin_query(GError **error)

{

const gchar * const authors[] = {

"Tomasz Wasilczyk <twasilczyk@pidgin.im>",

NULL

};

return pidgin_plugin_info_new(

"id", "gtk-imgupload",

"name", N_("Image Uploader"),

"version", DISPLAY_VERSION,

"category", N_("Utility"),

"summary", N_("Inline images implementation for protocols "

"without such feature."),

"description", N_("Adds inline images support for protocols "

"lacking this feature by uploading them to the "

"external service."),

"authors", authors,

"website", PURPLE_WEBSITE,

"abi-version", PURPLE_ABI_VERSION,

"pref-request-cb", imgup_prefs_get,

NULL

);

}

static gboolean

plugin_load(PurplePlugin *plugin, GError **error)

{

GList *it;

purple_prefs_add_none("/plugins");

purple_prefs_add_none("/plugins/gtk");

purple_prefs_add_none("/plugins/gtk/imgupload");

purple_prefs_add_bool(IMGUP_PREF_PREFIX "use_url_desc", TRUE);

plugin_handle = plugin;

session = soup_session_new();

it = purple_connections_get_all();

for (; it; it = g_list_next(it)) {

PurpleConnection *gc = it->data;

imgup_conn_init(gc);

}

it = purple_conversations_get_all();

for (; it; it = g_list_next(it)) {

PurpleConversation *conv = it->data;

imgup_conv_init(conv);

if (PIDGIN_IS_PIDGIN_CONVERSATION(conv))

imgup_pidconv_init(PIDGIN_CONVERSATION(conv));

}

purple_signal_connect(purple_connections_get_handle(),

"signed-on", plugin,

PURPLE_CALLBACK(imgup_conn_init), NULL);

purple_signal_connect(purple_connections_get_handle(),

"signing-off", plugin,

PURPLE_CALLBACK(imgup_conn_uninit), NULL);

purple_signal_connect(pidgin_conversations_get_handle(),

"conversation-displayed", plugin,

PURPLE_CALLBACK(imgup_pidconv_init), NULL);

return TRUE;

}

static gboolean

plugin_unload(PurplePlugin *plugin, GError **error)

{

GList *it;

soup_session_abort(session);

it = purple_conversations_get_all();

for (; it; it = g_list_next(it)) {

PurpleConversation *conv = it->data;

imgup_conv_uninit(conv);

if (PIDGIN_IS_PIDGIN_CONVERSATION(conv))

imgup_pidconv_uninit(PIDGIN_CONVERSATION(conv));

}

it = purple_connections_get_all();

for (; it; it = g_list_next(it)) {

PurpleConnection *gc = it->data;

imgup_conn_uninit(gc);

}

g_clear_object(&session);

plugin_handle = NULL;

return TRUE;

}

PURPLE_PLUGIN_INIT(imgupload, plugin_query, plugin_load, plugin_unload);

pidgin/pidgin