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[evolution] Bug #601898 - SOCKS proxy does not work with mailer

commit 2def4a73864c87c4dee25b04180c882e72a0fee1
Author: Milan Crha <mcrha redhat com>
Date:   Fri Sep 30 14:09:02 2011 +0200

    Bug #601898 - SOCKS proxy does not work with mailer

 mail/e-mail-session.c           |  126 +++++++++++++--------------------------
 mail/mail-config.ui             |   67 +++++++++++++++++++++
 modules/mail/em-network-prefs.c |   35 +++++------
 modules/mail/em-network-prefs.h |    3 +
 4 files changed, 128 insertions(+), 103 deletions(-)
---
diff --git a/mail/e-mail-session.c b/mail/e-mail-session.c
index d716357..45c8e02 100644
--- a/mail/e-mail-session.c
+++ b/mail/e-mail-session.c
@@ -45,6 +45,7 @@
 #endif
 
 #include <libedataserver/e-flag.h>
+#include <libedataserver/e-proxy.h>
 #include <libebackend/e-extensible.h>
 #include <libedataserverui/e-passwords.h>
 
@@ -73,7 +74,6 @@
 	((obj), E_TYPE_MAIL_SESSION, EMailSessionPrivate))
 
 static guint session_check_junk_notify_id;
-static guint session_gconf_proxy_id;
 
 typedef struct _AsyncContext AsyncContext;
 
@@ -82,6 +82,7 @@ struct _EMailSessionPrivate {
 
 	FILE *filter_logfile;
 	GHashTable *junk_filters;
+	EProxy *proxy;
 };
 
 struct _AsyncContext {
@@ -440,73 +441,6 @@ ms_forward_to_cb (CamelFolder *folder,
 	g_object_unref (client);
 }
 
-/* Support for SOCKS proxy ***************************************************/
-
-static GSettings *proxy_settings = NULL, *proxy_socks_settings = NULL;
-
-static void
-set_socks_proxy_from_gsettings (CamelSession *session)
-{
-	gchar *mode, *host;
-	gint port;
-
-	g_return_if_fail (proxy_settings != NULL);
-	g_return_if_fail (proxy_socks_settings != NULL);
-
-	mode = g_settings_get_string (proxy_settings, "mode");
-	if (g_strcmp0 (mode, "manual") == 0) {
-		host = g_settings_get_string (proxy_socks_settings, "host");
-		port = g_settings_get_int (proxy_socks_settings, "port");
-		camel_session_set_socks_proxy (session, host, port);
-		g_free (host);
-	}
-	g_free (mode);
-}
-
-static void
-proxy_gsettings_changed_cb (GSettings *settings,
-                            const gchar *key,
-                            CamelSession *session)
-{
-	set_socks_proxy_from_gsettings (session);
-}
-
-static void
-set_socks_proxy_gsettings_watch (CamelSession *session)
-{
-	g_return_if_fail (proxy_settings != NULL);
-	g_return_if_fail (proxy_socks_settings != NULL);
-
-	g_signal_connect (
-		proxy_settings, "changed::mode",
-		G_CALLBACK (proxy_gsettings_changed_cb), session);
-
-	g_signal_connect (
-		proxy_socks_settings, "changed",
-		G_CALLBACK (proxy_gsettings_changed_cb), session);
-}
-
-static void
-init_socks_proxy (CamelSession *session)
-{
-	g_return_if_fail (CAMEL_IS_SESSION (session));
-
-	if (!proxy_settings) {
-		proxy_settings = g_settings_new ("org.gnome.system.proxy");
-		proxy_socks_settings = g_settings_get_child (proxy_settings, "socks");
-		g_object_weak_ref (G_OBJECT (proxy_settings), (GWeakNotify) g_nullify_pointer, &proxy_settings);
-		g_object_weak_ref (G_OBJECT (proxy_socks_settings), (GWeakNotify) g_nullify_pointer, &proxy_socks_settings);
-	} else {
-		g_object_ref (proxy_settings);
-		g_object_ref (proxy_socks_settings);
-	}
-
-	set_socks_proxy_gsettings_watch (session);
-	set_socks_proxy_from_gsettings (session);
-}
-
-/*****************************************************************************/
-
 static void
 async_context_free (AsyncContext *context)
 {
@@ -684,6 +618,7 @@ mail_session_finalize (GObject *object)
 	priv = E_MAIL_SESSION_GET_PRIVATE (object);
 
 	g_hash_table_destroy (priv->junk_filters);
+	g_object_unref (priv->proxy);
 
 	client = gconf_client_get_default ();
 
@@ -692,26 +627,11 @@ mail_session_finalize (GObject *object)
 		session_check_junk_notify_id = 0;
 	}
 
-	if (session_gconf_proxy_id != 0) {
-		gconf_client_notify_remove (client, session_gconf_proxy_id);
-		session_gconf_proxy_id = 0;
-	}
-
 	g_object_unref (client);
 
 	g_free (mail_data_dir);
 	g_free (mail_config_dir);
 
-	if (proxy_settings) {
-		g_signal_handlers_disconnect_by_func (proxy_settings, proxy_gsettings_changed_cb, CAMEL_SESSION (object));
-		g_object_unref (proxy_settings);
-	}
-
-	if (proxy_socks_settings) {
-		g_signal_handlers_disconnect_by_func (proxy_socks_settings, proxy_gsettings_changed_cb, CAMEL_SESSION (object));
-		g_object_unref (proxy_socks_settings);
-	}
-
 	/* Chain up to parent's finalize() method. */
 	G_OBJECT_CLASS (e_mail_session_parent_class)->finalize (object);
 }
@@ -1141,6 +1061,42 @@ mail_session_forward_to (CamelSession *session,
 }
 
 static void
+mail_session_get_socks_proxy (CamelSession *session,
+			      const gchar *for_host,
+			      gchar **host_ret,
+			      gint *port_ret)
+{
+	EMailSession *mail_session;
+	gchar *uri;
+
+	g_return_if_fail (session != NULL);
+	g_return_if_fail (for_host != NULL);
+	g_return_if_fail (host_ret != NULL);
+	g_return_if_fail (port_ret != NULL);
+
+	mail_session = E_MAIL_SESSION (session);
+	g_return_if_fail (mail_session != NULL);
+	g_return_if_fail (mail_session->priv != NULL);
+
+	*host_ret = NULL;
+	*port_ret = 0;
+
+	uri = g_strconcat ("socks://", for_host, NULL);
+
+	if (e_proxy_require_proxy_for_uri (mail_session->priv->proxy, uri)) {
+		SoupURI *suri;
+
+		suri = e_proxy_peek_uri_for (mail_session->priv->proxy, uri);
+		if (suri) {
+			*host_ret = g_strdup (suri->host);
+			*port_ret = suri->port;
+		}
+	}
+
+	g_free (uri);
+}
+
+static void
 e_mail_session_class_init (EMailSessionClass *class)
 {
 	GObjectClass *object_class;
@@ -1164,6 +1120,7 @@ e_mail_session_class_init (EMailSessionClass *class)
 	session_class->get_filter_driver = mail_session_get_filter_driver;
 	session_class->lookup_addressbook = mail_session_lookup_addressbook;
 	session_class->forward_to = mail_session_forward_to;
+	session_class->get_socks_proxy = mail_session_get_socks_proxy;
 
 	g_object_class_install_property (
 		object_class,
@@ -1200,6 +1157,7 @@ e_mail_session_init (EMailSession *session)
 	session->priv->folder_cache = mail_folder_cache_new ();
 	session->priv->junk_filters = g_hash_table_new (
 		(GHashFunc) g_str_hash, (GEqualFunc) g_str_equal);
+	session->priv->proxy = e_proxy_new ();
 
 	/* Initialize the EAccount setup. */
 	e_account_writable (NULL, E_ACCOUNT_SOURCE_SAVE_PASSWD);
@@ -1219,7 +1177,7 @@ e_mail_session_init (EMailSession *session)
 
 	mail_config_reload_junk_headers (session);
 
-	init_socks_proxy (CAMEL_SESSION (session));
+	e_proxy_setup_proxy (session->priv->proxy);
 
 	g_object_unref (client);
 }
diff --git a/mail/mail-config.ui b/mail/mail-config.ui
index 5d934aa..7567d18 100644
--- a/mail/mail-config.ui
+++ b/mail/mail-config.ui
@@ -409,6 +409,11 @@ for display purposes only. </property>
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>
+  <object class="GtkAdjustment" id="adjustment6">
+    <property name="upper">65535</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">10</property>
+  </object>
   <object class="GtkNotebook" id="composer_toplevel">
     <property name="visible">True</property>
     <property name="can_focus">True</property>
@@ -1505,6 +1510,22 @@ for display purposes only. </property>
                                   </packing>
                                 </child>
                                 <child>
+                                  <object class="GtkLabel" id="lblSocksHost">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="xalign">0</property>
+                                    <property name="label" translatable="yes">SOC_KS Proxy:</property>
+                                    <property name="use_underline">True</property>
+                                    <property name="mnemonic_widget">txtSocksHost</property>
+                                  </object>
+                                  <packing>
+                                    <property name="top_attach">2</property>
+                                    <property name="bottom_attach">3</property>
+                                    <property name="x_options">GTK_FILL</property>
+                                    <property name="y_options"></property>
+                                  </packing>
+                                </child>
+                                <child>
                                   <object class="GtkLabel" id="lblIgnoreHosts">
                                     <property name="visible">True</property>
                                     <property name="can_focus">False</property>
@@ -1547,6 +1568,20 @@ for display purposes only. </property>
                                   </packing>
                                 </child>
                                 <child>
+                                  <object class="GtkEntry" id="txtSocksHost">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="invisible_char">â</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">1</property>
+                                    <property name="right_attach">2</property>
+                                    <property name="top_attach">2</property>
+                                    <property name="bottom_attach">3</property>
+                                    <property name="y_options"></property>
+                                  </packing>
+                                </child>
+                                <child>
                                   <object class="GtkLabel" id="lblHttpPort">
                                     <property name="visible">True</property>
                                     <property name="can_focus">False</property>
@@ -1577,6 +1612,22 @@ for display purposes only. </property>
                                   </packing>
                                 </child>
                                 <child>
+                                  <object class="GtkLabel" id="lblSocksPort">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">False</property>
+                                    <property name="xalign">0</property>
+                                    <property name="label" translatable="yes">Port:</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">2</property>
+                                    <property name="right_attach">3</property>
+                                    <property name="top_attach">2</property>
+                                    <property name="bottom_attach">3</property>
+                                    <property name="x_options">GTK_FILL</property>
+                                    <property name="y_options"></property>
+                                  </packing>
+                                </child>
+                                <child>
                                   <object class="GtkSpinButton" id="spnHttpPort">
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
@@ -1607,6 +1658,22 @@ for display purposes only. </property>
                                   </packing>
                                 </child>
                                 <child>
+                                  <object class="GtkSpinButton" id="spnSocksPort">
+                                    <property name="visible">True</property>
+                                    <property name="can_focus">True</property>
+                                    <property name="invisible_char">â</property>
+                                    <property name="adjustment">adjustment6</property>
+                                    <property name="climb_rate">1</property>
+                                  </object>
+                                  <packing>
+                                    <property name="left_attach">3</property>
+                                    <property name="right_attach">4</property>
+                                    <property name="top_attach">2</property>
+                                    <property name="bottom_attach">3</property>
+                                    <property name="y_options"></property>
+                                  </packing>
+                                </child>
+                                <child>
                                   <object class="GtkEntry" id="txtIgnoreHosts">
                                     <property name="visible">True</property>
                                     <property name="can_focus">True</property>
diff --git a/modules/mail/em-network-prefs.c b/modules/mail/em-network-prefs.c
index 242c849..64fe23e 100644
--- a/modules/mail/em-network-prefs.c
+++ b/modules/mail/em-network-prefs.c
@@ -148,12 +148,11 @@ emnp_set_sensitiveness (EMNetworkPrefs *prefs,
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_http_port, sensitivity);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_https_host, sensitivity);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_https_port, sensitivity);
-#if 0
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->socks_host, sensitivity);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->socks_port, sensitivity);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_socks_host, sensitivity);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_socks_port, sensitivity);
-#endif
+
 		state = sensitivity && gtk_toggle_button_get_active (prefs->use_auth);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_auth_user, state);
 		gtk_widget_set_sensitive ((GtkWidget *) prefs->lbl_auth_pwd, state);
@@ -389,13 +388,17 @@ em_network_prefs_construct (EMNetworkPrefs *prefs)
 	prefs->manual_proxy = GTK_TOGGLE_BUTTON (e_builder_get_widget (prefs->builder, "rdoManualProxy"));
 	prefs->http_host = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtHttpHost"));
 	prefs->https_host = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtHttpsHost"));
+	prefs->socks_host = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtSocksHost"));
 	prefs->ignore_hosts = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtIgnoreHosts"));
 	prefs->http_port = GTK_SPIN_BUTTON (e_builder_get_widget (prefs->builder, "spnHttpPort"));
 	prefs->https_port = GTK_SPIN_BUTTON (e_builder_get_widget (prefs->builder, "spnHttpsPort"));
+	prefs->socks_port = GTK_SPIN_BUTTON (e_builder_get_widget (prefs->builder, "spnSocksPort"));
 	prefs->lbl_http_host = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblHttpHost"));
 	prefs->lbl_http_port = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblHttpPort"));
 	prefs->lbl_https_host = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblHttpsHost"));
 	prefs->lbl_https_port = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblHttpsPort"));
+	prefs->lbl_socks_host = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblSocksHost"));
+	prefs->lbl_socks_port = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblSocksPort"));
 	prefs->lbl_ignore_hosts = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblIgnoreHosts"));
 	prefs->use_auth = GTK_TOGGLE_BUTTON (e_builder_get_widget (prefs->builder, "chkUseAuth"));
 	toggle_button_init (prefs, prefs->use_auth, GCONF_E_USE_AUTH_KEY);
@@ -404,17 +407,6 @@ em_network_prefs_construct (EMNetworkPrefs *prefs)
 	prefs->auth_user = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtAuthUser"));
 	prefs->auth_pwd = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtAuthPwd"));
 
-#if 0
-	prefs->socks_host = GTK_ENTRY (e_builder_get_widget (prefs->builder, "txtSocksHost"));
-	prefs->socks_port = GTK_SPIN_BUTTON (e_builder_get_widget (prefs->builder, "spnSocksPort"));
-	prefs->lbl_socks_host = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblSocksHost"));
-	prefs->lbl_socks_port = GTK_LABEL (e_builder_get_widget (prefs->builder, "lblSocksPort"));
-	g_signal_connect (prefs->socks_host, "changed",
-			  G_CALLBACK (widget_entry_changed_cb), GCONF_E_SOCKS_HOST_KEY);
-	g_signal_connect (prefs->socks_port, "value_changed",
-			  G_CALLBACK (widget_entry_changed_cb), GCONF_E_SOCKS_PORT_KEY);
-#endif
-
 	/* Manual proxy options */
 	g_signal_connect (prefs->http_host, "changed",
 			  G_CALLBACK (widget_entry_changed_cb),
@@ -431,6 +423,12 @@ em_network_prefs_construct (EMNetworkPrefs *prefs)
 	g_signal_connect (prefs->https_port, "value_changed",
 			  G_CALLBACK (widget_entry_changed_cb),
 			  (gpointer) GCONF_E_HTTPS_PORT_KEY);
+	g_signal_connect (prefs->socks_host, "changed",
+			  G_CALLBACK (widget_entry_changed_cb),
+			  (gpointer) GCONF_E_SOCKS_HOST_KEY);
+	g_signal_connect (prefs->socks_port, "value_changed",
+			  G_CALLBACK (widget_entry_changed_cb),
+			  (gpointer) GCONF_E_SOCKS_PORT_KEY);
 	g_signal_connect (prefs->auth_user, "changed",
 			  G_CALLBACK (widget_entry_changed_cb),
 			  (gpointer) GCONF_E_AUTH_USER_KEY);
@@ -458,6 +456,10 @@ em_network_prefs_construct (EMNetworkPrefs *prefs)
 	gtk_entry_set_text (prefs->https_host, buf ? buf : "");
 	g_free (buf);
 
+	buf = gconf_client_get_string (prefs->gconf, GCONF_E_SOCKS_HOST_KEY, NULL);
+	gtk_entry_set_text (prefs->socks_host, buf ? buf : "");
+	g_free (buf);
+
 	buf = NULL;
 	ignore = gconf_client_get_list (prefs->gconf, GCONF_E_IGNORE_HOSTS_KEY, GCONF_VALUE_STRING, NULL);
 	if (ignore) {
@@ -502,14 +504,9 @@ em_network_prefs_construct (EMNetworkPrefs *prefs)
 	port = gconf_client_get_int (prefs->gconf, GCONF_E_HTTPS_PORT_KEY, NULL);
 	gtk_spin_button_set_value (prefs->https_port, (gdouble) port);
 
-#if 0
-	buf = gconf_client_get_string (prefs->gconf, GCONF_E_SOCKS_HOST_KEY, NULL);
-	gtk_entry_set_text (prefs->socks_host, buf ? buf : "");
-	g_free (buf);
-
 	port = gconf_client_get_int (prefs->gconf, GCONF_E_SOCKS_PORT_KEY, NULL);
 	gtk_spin_button_set_value (prefs->socks_port, (gdouble) port);
-#endif
+
 	emnp_set_markups (prefs);
 
 	if (val == NETWORK_PROXY_DIRECT_CONNECTION ||
diff --git a/modules/mail/em-network-prefs.h b/modules/mail/em-network-prefs.h
index 4196686..f13a239 100644
--- a/modules/mail/em-network-prefs.h
+++ b/modules/mail/em-network-prefs.h
@@ -82,12 +82,15 @@ struct _EMNetworkPrefs {
 	GtkLabel *lbl_http_port;
 	GtkLabel *lbl_https_host;
 	GtkLabel *lbl_https_port;
+	GtkLabel *lbl_socks_host;
+	GtkLabel *lbl_socks_port;
 	GtkLabel *lbl_ignore_hosts;
 	GtkLabel *lbl_auth_user;
 	GtkLabel *lbl_auth_pwd;
 
 	GtkSpinButton *http_port;
 	GtkSpinButton *https_port;
+	GtkSpinButton *socks_port;
 };
 
 struct _EMNetworkPrefsClass {
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