1 files changed, 119 insertions, 0 deletions
diff --git a/js/misc/smartcardManager.js b/js/misc/smartcardManager.js
new file mode 100644
index 0000000..661b337
--- /dev/null
+++ b/js/misc/smartcardManager.js
@@ -0,0 +1,119 @@
+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported getSmartcardManager */
+
+const Gio = imports.gi.Gio;
+const Signals = imports.misc.signals;
+
+const ObjectManager = imports.misc.objectManager;
+
+const SmartcardTokenIface = `
+<node>
+<interface name="org.gnome.SettingsDaemon.Smartcard.Token">
+  <property name="Name" type="s" access="read"/>
+  <property name="Driver" type="o" access="read"/>
+  <property name="IsInserted" type="b" access="read"/>
+  <property name="UsedToLogin" type="b" access="read"/>
+</interface>
+</node>`;
+
+let _smartcardManager = null;
+
+function getSmartcardManager() {
+    if (_smartcardManager == null)
+        _smartcardManager = new SmartcardManager();
+
+    return _smartcardManager;
+}
+
+var SmartcardManager = class extends Signals.EventEmitter {
+    constructor() {
+        super();
+
+        this._objectManager = new ObjectManager.ObjectManager({
+            connection: Gio.DBus.session,
+            name: 'org.gnome.SettingsDaemon.Smartcard',
+            objectPath: '/org/gnome/SettingsDaemon/Smartcard',
+            knownInterfaces: [SmartcardTokenIface],
+            onLoaded: this._onLoaded.bind(this),
+        });
+        this._insertedTokens = {};
+        this._loginToken = null;
+    }
+
+    _onLoaded() {
+        let tokens = this._objectManager.getProxiesForInterface('org.gnome.SettingsDaemon.Smartcard.Token');
+
+        for (let i = 0; i < tokens.length; i++)
+            this._addToken(tokens[i]);
+
+        this._objectManager.connect('interface-added', (objectManager, interfaceName, proxy) => {
+            if (interfaceName == 'org.gnome.SettingsDaemon.Smartcard.Token')
+                this._addToken(proxy);
+        });
+
+        this._objectManager.connect('interface-removed', (objectManager, interfaceName, proxy) => {
+            if (interfaceName == 'org.gnome.SettingsDaemon.Smartcard.Token')
+                this._removeToken(proxy);
+        });
+    }
+
+    _updateToken(token) {
+        let objectPath = token.get_object_path();
+
+        delete this._insertedTokens[objectPath];
+
+        if (token.IsInserted)
+            this._insertedTokens[objectPath] = token;
+
+        if (token.UsedToLogin)
+            this._loginToken = token;
+    }
+
+    _addToken(token) {
+        this._updateToken(token);
+
+        token.connect('g-properties-changed', (proxy, properties) => {
+            const isInsertedChanged = !!properties.lookup_value('IsInserted', null);
+            if (isInsertedChanged) {
+                this._updateToken(token);
+
+                if (token.IsInserted)
+                    this.emit('smartcard-inserted', token);
+                else
+                    this.emit('smartcard-removed', token);
+            }
+        });
+
+        // Emit a smartcard-inserted at startup if it's already plugged in
+        if (token.IsInserted)
+            this.emit('smartcard-inserted', token);
+    }
+
+    _removeToken(token) {
+        let objectPath = token.get_object_path();
+
+        if (this._insertedTokens[objectPath] == token) {
+            delete this._insertedTokens[objectPath];
+            this.emit('smartcard-removed', token);
+        }
+
+        if (this._loginToken == token)
+            this._loginToken = null;
+
+        token.disconnectAll();
+    }
+
+    hasInsertedTokens() {
+        return Object.keys(this._insertedTokens).length > 0;
+    }
+
+    hasInsertedLoginToken() {
+        if (!this._loginToken)
+            return false;
+
+        if (!this._loginToken.IsInserted)
+            return false;
+
+        return true;
+    }
+};