1 files changed, 255 insertions, 0 deletions
diff --git a/src/update_check.c b/src/update_check.c
new file mode 100644
index 00000000..5979ea5f
--- /dev/null
+++ b/src/update_check.c
@@ -0,0 +1,255 @@
+/*
+ * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
+ * Copyright (C) 1999-2009 Hiroyuki Yamamoto
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include "defs.h"
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include <gdk/gdkkeysyms.h>
+#include <gtk/gtk.h>
+
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "update_check.h"
+#include "manage_window.h"
+#include "gtkutils.h"
+#include "alertpanel.h"
+#include "prefs_common.h"
+#include "socket.h"
+#include "utils.h"
+#include "version.h"
+
+
+static gboolean compare_version(gint major, gint minor, gint micro,
+				const gchar *extra)
+{
+	debug_print("comparing %d.%d.%d.%s <> " VERSION "\n", major, minor, micro, extra ? extra : "");
+
+	if (major > MAJOR_VERSION)
+		return TRUE;
+	if (major < MAJOR_VERSION)
+		return FALSE;
+	if (minor > MINOR_VERSION)
+		return TRUE;
+	if (minor < MINOR_VERSION)
+		return FALSE;
+	if (micro > MICRO_VERSION)
+		return TRUE;
+	if (micro < MICRO_VERSION)
+		return FALSE;
+	if (extra) {
+		if (strcmp(extra, EXTRA_VERSION) > 0)
+			return TRUE;
+	}
+
+	return FALSE;
+}
+
+static void parse_version_string(const gchar *ver, gint *major, gint *minor,
+				 gint *micro, gchar **extra)
+{
+	gchar **vers;
+
+	vers = g_strsplit(ver, ".", -1);
+	if (vers[0]) {
+		*major = atoi(vers[0]);
+		if (vers[1]) {
+			*minor = atoi(vers[1]);
+			if (vers[2]) {
+				*micro = atoi(vers[2]);
+				if (vers[3]) {
+					*extra = g_strdup(vers[3]);
+				}
+			}
+		}
+	}
+	g_strfreev(vers);
+}
+
+static void update_dialog(const gchar *new_ver, gboolean manual)
+{
+	gchar buf[1024];
+	AlertValue val;
+
+	if (new_ver)
+		g_snprintf(buf, sizeof(buf), "%s\n\n%s -> %s",
+			   _("The newer version of Sylpheed found.\n"
+			     "Upgrade now?"),
+			   VERSION, new_ver);
+	else
+		g_snprintf(buf, sizeof(buf), "%s",
+			   _("The newer version of Sylpheed found.\n"
+			     "Upgrade now?"));
+
+	val = alertpanel_full(_("New version found"), buf,
+			      ALERT_QUESTION,
+			      G_ALERTDEFAULT,
+			      manual ? FALSE : TRUE,
+			      GTK_STOCK_YES, GTK_STOCK_NO, NULL);
+	if ((val & G_ALERT_VALUE_MASK) == G_ALERTDEFAULT) {
+		open_uri(HOMEPAGE_URI, prefs_common.uri_cmd);
+	}
+	if (val & G_ALERTDISABLE) {
+		prefs_common.auto_update_check = FALSE;
+	}
+}
+
+static gint child_stdout;
+
+static void update_check_cb(GPid pid, gint status, gpointer data)
+{
+	gchar **lines;
+	gchar *key, *val, *p;
+	gchar *new_ver = NULL;
+	gint i;
+#ifdef DEVEL_VERSION
+	gboolean cur_ver_is_release = FALSE;
+#else
+	gboolean cur_ver_is_release = TRUE;
+#endif
+	gboolean result = FALSE;
+	gboolean got_version = FALSE;
+	gboolean show_dialog_always = (gboolean)data;
+	gchar buf[BUFFSIZE];
+	ssize_t size;
+
+	debug_print("update_check_cb\n");
+
+	if (!child_stdout) {
+		g_spawn_close_pid(pid);
+		return;
+	}
+
+	size = read(child_stdout, buf, sizeof(buf) - 1);
+	if (size < 0) {
+		fd_close(child_stdout);
+		child_stdout = 0;
+		g_spawn_close_pid(pid);
+		return;
+	}
+	buf[size] = '\0';
+
+	fd_close(child_stdout);
+	child_stdout = 0;
+	g_spawn_close_pid(pid);
+
+	lines = g_strsplit(buf, "\n", -1);
+
+	for (i = 0; lines[i] != NULL; i++) {
+		gint major = 0, minor = 0, micro = 0;
+		gchar *extra = NULL;
+
+		debug_print("update_check: %s\n", lines[i]);
+		p = strchr(lines[i], '=');
+		if (!p) continue;
+		key = g_strndup(lines[i], p - lines[i]);
+		val = p + 1;
+
+		if (!strcmp(key, "RELEASE")) {
+			parse_version_string(val, &major, &minor, &micro,
+					     &extra);
+			result = compare_version(major, minor, micro, extra);
+		} else if (!cur_ver_is_release && !strcmp(key, "DEVEL")) {
+			parse_version_string(val, &major, &minor, &micro,
+					     &extra);
+			result = compare_version(major, minor, micro, extra);
+		}
+
+		if (major + minor + micro != 0)
+			got_version = TRUE;
+
+		if (result) {
+			new_ver = g_strdup_printf("%d.%d.%d%s", major, minor, micro, extra ? extra : "");
+			debug_print("update_check: new ver: %s\n", new_ver);
+			g_free(extra);
+			g_free(key);
+			break;
+		}
+		g_free(extra);
+		g_free(key);
+	}
+
+	g_strfreev(lines);
+
+	if (result)
+		update_dialog(new_ver, show_dialog_always);
+	else if (show_dialog_always) {
+		if (got_version)
+			alertpanel_message(_("Information"),
+					   _("Sylpheed is already the latest version."),
+					   ALERT_NOTICE);
+		else
+			alertpanel_error(_("Couldn't get the version information."));
+	}
+	g_free(new_ver);
+}
+
+void update_check(gboolean show_dialog_always)
+{
+	gchar *cmdline[6] = {"curl", "--silent"};
+	GPid pid;
+	GError *error = NULL;
+
+	if (child_stdout > 0) {
+		debug_print("update check is in progress\n");
+		return;
+	}
+
+	child_stdout = 0;
+
+	debug_print("update_check: getting latest version from http://sylpheed.sraoss.jp/version.txt\n");
+
+	cmdline[2] = "http://sylpheed.sraoss.jp/version.txt?";
+	if (prefs_common.use_http_proxy && prefs_common.http_proxy_host &&
+	    prefs_common.http_proxy_host[0] != '\0') {
+		cmdline[3] = "--proxy";
+		cmdline[4] = prefs_common.http_proxy_host;
+		cmdline[5] = NULL;
+	} else
+		cmdline[3] = NULL;
+
+	if (g_spawn_async_with_pipes
+		(NULL, cmdline, NULL,
+		 G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
+		 NULL, NULL, &pid,
+		 NULL, &child_stdout, NULL, &error) == FALSE) {
+		g_warning("Couldn't execute curl");
+		if (error) {
+			g_warning("g_spawn_async_with_pipes: %s",
+				  error->message);
+			g_error_free(error);
+		}
+		return;
+	}
+	if (pid == 0) {
+		g_warning("Couldn't get PID of child process");
+		if (child_stdout) {
+			fd_close(child_stdout);
+			child_stdout = 0;
+		}
+		return;
+	}
+
+	g_child_watch_add(pid, update_check_cb, (gpointer)show_dialog_always);
+}