HGKeeper

#define PURPLE_PLUGINS

#include <glib.h>

#include <account.h>

#include <cipher.h>

#include <dnssrv.h>

#include <util.h>

#include <gtkutils.h>

#include <gtkplugin.h>

#define RAVATAR_BASE_URL "http://cdn.libravatar.org/avatar/"

#define PLUGIN_ID "gtk-eionrobb-libravatar"

#define PREF_PREFIX "/plugins/gtk/" PLUGIN_ID

#define PREF_EMAIL PREF_PREFIX "/email"

static void got_ravatar(PurpleUtilFetchUrlData *url_data, gpointer user_data, const gchar *url_text, gsize len, const gchar *error_message)

{

GList *cur;

gchar *filename;

g_return_if_fail(len != 0);

filename = g_strconcat(g_get_tmp_dir(), G_DIR_SEPARATOR_S, purple_util_get_image_checksum(url_text, len), ".jpg", NULL);

purple_util_write_data_to_file_absolute(filename, url_text, len);

for(cur = purple_accounts_get_all();

cur != NULL;

cur = cur->next)

{

PurpleAccount *account = (PurpleAccount *) cur->data;

PurplePlugin *plugin = purple_find_prpl(purple_account_get_protocol_id(account));

size_t img_data_len;

gpointer data;

if (!plugin) continue;

data = pidgin_convert_buddy_icon(plugin, filename, &img_data_len);

if (!data) continue;

purple_account_set_buddy_icon_path(account, filename);

purple_buddy_icons_set_account_icon(account, data, img_data_len);

}

g_free(filename);

}

static const gchar *

ravatar_md5(const gchar *email)

{

PurpleCipherContext *context;

static gchar digest[41];

gchar *lower_email;

context = purple_cipher_context_new_by_name("md5", NULL);

g_return_val_if_fail(context != NULL, NULL);

lower_email = g_ascii_strdown(email, -1);

g_strstrip(lower_email);

purple_cipher_context_append(context, lower_email, strlen(lower_email));

g_free(lower_email);

if (!purple_cipher_context_digest_to_str(context, sizeof(digest), digest, NULL))

return NULL;

purple_cipher_context_destroy(context);

return digest;

}

static void

ravatar_resolved_srv(PurpleSrvResponse *resp, int results, gpointer data)

{

gchar *email = (gchar *) data;

int i;

gchar *ravatar_url = NULL;

const gchar *md5_email;

md5_email = ravatar_md5(email);

if (results <= 0)

{

ravatar_url = g_strdup_printf(RAVATAR_BASE_URL "%s?d=404&s=256", md5_email);

} else {

//pick a random srv record to use

//TODO don't use all the results, just the ones that have the same, equal, highest priority

i = g_random_int_range(0, results);

ravatar_url = g_strdup_printf("http://%s:%d/avatar/%s?s=256", resp[i].hostname, resp[i].port, md5_email);

}

if (ravatar_url)

{

purple_util_fetch_url(ravatar_url, TRUE, NULL, TRUE, got_ravatar, NULL);

}

g_free(ravatar_url);

g_free(email);

}

static PurpleSrvTxtQueryData *

ravatar_resolve_url(const gchar *email)

{

const gchar *domain;

gchar **email_split;

PurpleSrvTxtQueryData *resolve;

email_split = g_strsplit(email, "@", 2);

domain = email_split[1];

//dig SRV _avatars._tcp.example.com

resolve = purple_srv_resolve("avatars", "tcp", domain,ravatar_resolved_srv, g_strdup(email));

g_strfreev(email_split);

return resolve;

}

static gboolean

ravatar_resolve_timeout(gpointer data)

{

ravatar_resolve_url(data);

return FALSE;

}

static guint email_pref_changed_timeout = 0;

static void

ravatar_email_pref_changed(const gchar *name, PurplePrefType type, gconstpointer val, gpointer data)

{

if (email_pref_changed_timeout)

purple_timeout_remove(email_pref_changed_timeout);

if (val && strlen(val))

{

email_pref_changed_timeout = purple_timeout_add_seconds(5, ravatar_resolve_timeout, (gpointer) val);

}

static gboolean

plugin_load(PurplePlugin *plugin)

{

const gchar *email;

purple_prefs_connect_callback(plugin, PREF_EMAIL, ravatar_email_pref_changed, NULL);

email = purple_prefs_get_string(PREF_EMAIL);

if (email && *email)

ravatar_resolve_url(email);

return TRUE;

}

static gboolean

plugin_unload(PurplePlugin *plugin)

{

purple_prefs_disconnect_by_handle(plugin);

return TRUE;

}

static PurplePluginPrefFrame *

plugin_config_frame(PurplePlugin *plugin)

{

PurplePluginPrefFrame *frame;

PurplePluginPref *pref;

frame = purple_plugin_pref_frame_new();

pref = purple_plugin_pref_new_with_label("Email address to use for account icon");

purple_plugin_pref_frame_add(frame, pref);

pref = purple_plugin_pref_new_with_name(PREF_EMAIL);

purple_plugin_pref_frame_add(frame, pref);

return frame;

}

static PurplePluginUiInfo prefs_info = {

plugin_config_frame,

NULL,

NULL

};

static PurplePluginInfo info =

{

PURPLE_PLUGIN_MAGIC,

PURPLE_PLUGIN_STANDARD,

PIDGIN_PLUGIN_TYPE,

NULL,

PURPLE_PRIORITY_DEFAULT,

PLUGIN_ID,

"libravatar Icons",

"0.1",

"Downloads libravatar icon as account icon",

"libravatar is a service similar to Gravatar that lets you run your own libravatar server so that you can be in control of your avatar",

"Eion Robb <eionrobb@gmail.com>",

"", //URL

plugin_load,

plugin_unload,

NULL,

&prefs_info,

NULL,

NULL

};

static void

init_plugin(PurplePlugin *plugin)

{

purple_prefs_add_none(PREF_PREFIX);

purple_prefs_add_string(PREF_EMAIL, "");

}

PURPLE_INIT_PLUGIN(libravatar, init_plugin, info);

eion/pidgin-libravatar