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* Copyright (C) 2011 Antono Vasiljev <self@antono.info>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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* Authored by Antono Vasiljev <self@antono.info>
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public class SshPlugin: Object, Activatable, ItemProvider
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public bool enabled { get; set; default = true; }
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private HashMap<string, SshHost> hosts;
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protected File config_file;
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protected FileMonitor monitor;
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hosts = new HashMap<string, SshHost> ();
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public void activate ()
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this.config_file = File.new_for_path (Environment.get_home_dir () + "/.ssh/config");
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parse_ssh_config.begin ();
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this.monitor = config_file.monitor_file (FileMonitorFlags.NONE);
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this.monitor.changed.connect (this.handle_ssh_config_update);
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Utils.Logger.warning (this, "Failed to start monitoring changes of ssh client config file");
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public void deactivate () {}
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static void register_plugin ()
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DataSink.PluginRegistry.get_default ().register_plugin (
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"SSH", // Plugin title
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_ ("Connect to host with SSH"), // description
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"terminal", // icon name
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register_plugin, // reference to this function
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// true if user's system has all required components which the plugin needs
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(Environment.find_program_in_path ("ssh") != null),
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_ ("ssh is not installed") // error message
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private async void parse_ssh_config ()
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var dis = new DataInputStream (config_file.read ());
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// TODO: match key boundary
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Regex host_key_re = new Regex ("(host\\s)", RegexCompileFlags.OPTIMIZE | RegexCompileFlags.CASELESS);
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Regex comment_re = new Regex ("#.*$", RegexCompileFlags.OPTIMIZE);
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Regex ws_re = new Regex ("[\\s]+", RegexCompileFlags.OPTIMIZE);
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while ((line = yield dis.read_line_async (Priority.DEFAULT)) != null)
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line = comment_re.replace (line, -1, 0, "");
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if (host_key_re.match (line))
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/* remove "Host" key */
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line = host_key_re.replace (line, -1, 0, "");
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/* Replace multiple whitespaces with a single space char */
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line = ws_re.replace (line, -1, 0, " ").strip ();
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/* split to find multiple host definition */
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foreach (var host in line.split (" "))
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string host_stripped = host.strip ();
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if (host_stripped != "" && host_stripped.index_of ("*") == -1 && host_stripped.index_of ("?") == -1)
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Utils.Logger.debug (this, "host added: %s\n", host_stripped);
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hosts.set (host_stripped, new SshHost (host_stripped));
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Utils.Logger.warning (this, "%s: %s", config_file.get_path (), e.message);
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public void handle_ssh_config_update (FileMonitor monitor,
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FileMonitorEvent event_type)
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if (event_type == FileMonitorEvent.CHANGES_DONE_HINT)
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Utils.Logger.log (this, "ssh_config is changed, reparsing");
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parse_ssh_config.begin ();
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public bool handles_query (Query query)
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return hosts.size > 0 &&
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( QueryFlags.ACTIONS in query.query_type ||
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QueryFlags.INTERNET in query.query_type);
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public async ResultSet? search (Query q) throws SearchError
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Idle.add (search.callback);
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q.check_cancellable ();
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var results = new ResultSet ();
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var matchers = Query.get_matchers_for_query (q.query_string, 0,
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RegexCompileFlags.OPTIMIZE | RegexCompileFlags.CASELESS);
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foreach (var host in hosts.values) //workaround for missing HashMap.iterator() method
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foreach (var matcher in matchers)
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if (matcher.key.match (host.host_query))
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results.add (host, matcher.value - Match.Score.INCREMENT_SMALL);
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q.check_cancellable ();
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private class SshHost : Object, Match
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public string title { get; construct set; }
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public string description { get; set; }
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public string icon_name { get; construct set; }
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public bool has_thumbnail { get; construct set; }
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public string thumbnail_path { get; construct set; }
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public string host_query { get; construct set; }
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public MatchType match_type { get; construct set; }
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public void execute (Match? match)
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AppInfo ai = AppInfo.create_from_commandline (
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"ssh %s".printf (this.title),
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"ssh", AppInfoCreateFlags.NEEDS_TERMINAL);
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ai.launch (null, new Gdk.AppLaunchContext ());
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warning ("%s", err.message);
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public SshHost (string host_name)
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match_type: MatchType.ACTION,
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description: _("Connect with SSH"),
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has_thumbnail: false,
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icon_name: "terminal",
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host_query: host_name
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// vim: expandtab softtabstop tabstop=2
added
removed
lib/synapse-plugins/ssh-plugin.vala
