eion/pidgin-libravatar

Initial checkin. Plugin downloads libravatar icon and sets it as your account icon
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2012-04-21, Eion Robb
e68e7b7a2560
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Initial checkin. Plugin downloads libravatar icon and sets it as your account icon
1 files changed, 231 insertions(+), 0 deletions(-)
  • +231 -0
    pidgin-libravatar.c
    • --- /dev/null Thu Jan 01 00:00:00 1970 +0000
    +++ b/pidgin-libravatar.c Sat Apr 21 21:29:27 2012 +1200
    @@ -0,0 +1,231 @@
    +#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,
    + 0,
    + NULL,
    + NULL,
    + NULL,
    + NULL,
    + NULL
    +};
    +
    +static PurplePluginInfo info =
    +{
    + PURPLE_PLUGIN_MAGIC,
    + 2,
    + 5,
    + PURPLE_PLUGIN_STANDARD,
    + PIDGIN_PLUGIN_TYPE,
    + 0,
    + 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,
    +
    + NULL,
    + NULL,
    + &prefs_info,
    + NULL,
    +
    + NULL,
    + NULL,
    + 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);