[evolution/gnome-2-26] Bug #586251 - Let the SSL checkbox for Google calendar work

[Milan Crha <mcrha src gnome org>]

commit dd2f883ee7b1134a422ca5fcae2e8d5d7a850cb0
Author: Milan Crha <mcrha redhat com>
Date:   Thu Jun 18 15:33:23 2009 +0200

    Bug #586251 - Let the SSL checkbox for Google calendar work
    
    User is	supposed to re-edit his/her Google calendar account to let
    this work (and restart whole Evolution too).

 plugins/google-account-setup/google-source.c |  133 +++++++++++++++-----------
 1 files changed, 77 insertions(+), 56 deletions(-)
---
diff --git a/plugins/google-account-setup/google-source.c b/plugins/google-account-setup/google-source.c
index 181984c..391dc96 100644
--- a/plugins/google-account-setup/google-source.c
+++ b/plugins/google-account-setup/google-source.c
@@ -49,9 +49,9 @@
 
 #include "google-contacts-source.h"
 
-#define CALENDAR_LOCATION "http://www.google.com/calendar/feeds/";
+#define CALENDAR_LOCATION "://www.google.com/calendar/feeds/"
 #define CALENDAR_DEFAULT_PATH "/private/full"
-#define URL_GET_SUBSCRIBED_CALENDARS "http://www.google.com/calendar/feeds/default/allcalendars/full";
+#define URL_GET_SUBSCRIBED_CALENDARS "://www.google.com/calendar/feeds/default/allcalendars/full"
 
 #define d(x)
 
@@ -99,19 +99,6 @@ e_plugin_lib_enable (EPluginLib *ep, int enable)
 
 
 /********************************************************************************************************************/
-#if 0
-
-FIXME: Not sure why this function is declared but called no where. This needs fixing.
-
-static void
-ssl_changed (GtkToggleButton *button, ESource *source)
-{
-	e_source_set_property(source, "ssl",
-			      gtk_toggle_button_get_active(button) ? "1" : "0");
-}
-
-#endif
-
 
 static gboolean
 is_email (const char *address)
@@ -149,12 +136,12 @@ sanitize_user_mail (const char *user)
 }
 
 static char *
-construct_default_uri (const char *username)
+construct_default_uri (const char *username, gboolean is_ssl)
 {
 	char *user, *uri;
 
 	user = sanitize_user_mail (username);
-	uri = g_strconcat (CALENDAR_LOCATION, user, CALENDAR_DEFAULT_PATH, NULL);
+	uri = g_strconcat (is_ssl ? "https" : "http", CALENDAR_LOCATION, user, CALENDAR_DEFAULT_PATH, NULL);
 	g_free (user);
 
 	return uri;
@@ -165,40 +152,43 @@ static gboolean
 is_default_uri (const char *given_uri, const char *username)
 {
 	char *uri, *at;
-	int ats;
-	gboolean res;
+	int ats, i;
+	gboolean res = FALSE;
 
 	if (!given_uri)
 		return TRUE;
 
-	uri = construct_default_uri (username);
+	for (i = 0; !res && i < 2; i++) {
+		/* try both versions here, with and without ssl */
+		uri = construct_default_uri (username, i == 0);
 
-	/* count number of '@' in given_uri to know how much memory will be required */
-	ats = 0;
-	for (at = strchr (given_uri, '@'); at; at = strchr (at + 1, '@')) {
-		ats++;
-	}
-
-	if (!ats)
-		res = g_ascii_strcasecmp (given_uri, uri) == 0;
-	else {
-		const char *last;
-		char *tmp = g_malloc0 (sizeof (char) * (1 + strlen (given_uri) + (2 * ats)));
-
-		last = given_uri;
-		for (at = strchr (last, '@'); at; at = strchr (at + 1, '@')) {
-			strncat (tmp, last, at - last);
-			strcat (tmp, "%40");
-			last = at + 1;
+		/* count number of '@' in given_uri to know how much memory will be required */
+		ats = 0;
+		for (at = strchr (given_uri, '@'); at; at = strchr (at + 1, '@')) {
+			ats++;
 		}
-		strcat (tmp, last);
 
-		res = g_ascii_strcasecmp (tmp, uri) == 0;
+		if (!ats)
+			res = g_ascii_strcasecmp (given_uri, uri) == 0;
+		else {
+			const char *last;
+			char *tmp = g_malloc0 (sizeof (char) * (1 + strlen (given_uri) + (2 * ats)));
+
+			last = given_uri;
+			for (at = strchr (last, '@'); at; at = strchr (at + 1, '@')) {
+				strncat (tmp, last, at - last);
+				strcat (tmp, "%40");
+				last = at + 1;
+			}
+			strcat (tmp, last);
 
-		g_free (tmp);
-	}
+			res = g_ascii_strcasecmp (tmp, uri) == 0;
 
-	g_free (uri);
+			g_free (tmp);
+		}
+
+		g_free (uri);
+	}
 
 	return res;
 }
@@ -209,15 +199,16 @@ static void
 user_changed (GtkEntry *editable, ESource *source)
 {
 	char       *uri;
-	const char *user;
+	const char *user, *ssl;
 
 	/* two reasons why set readonly to FALSE:
 	   a) the e_source_set_relative_uri does nothing for readonly sources
 	   b) we are going to set default uri, which should be always writeable */
 	e_source_set_readonly (source, FALSE);
 
+	ssl = e_source_get_property (source, "ssl");
 	user = gtk_entry_get_text (GTK_ENTRY (editable));
-	uri = construct_default_uri (user);
+	uri = construct_default_uri (user, !ssl || g_str_equal (ssl, "1"));
 	e_source_set_relative_uri (source, uri);
 	g_free (uri);
 
@@ -360,8 +351,10 @@ cal_combo_changed (GtkComboBox *combo, ESource *source)
 
 		gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, COL_TITLE, &title, COL_URL_PATH, &uri, COL_READ_ONLY, &readonly, -1);
 
-		if (!uri)
-			uri = construct_default_uri (e_source_get_property (source, "username"));
+		if (!uri) {
+			const gchar *ssl = e_source_get_property (source, "ssl");
+			uri = construct_default_uri (e_source_get_property (source, "username"), !ssl || g_str_equal (ssl, "1"));
+		}
 
 		if (is_default_uri (uri, e_source_get_property (source, "username"))) {
 			/* do not store title when we use default uri */
@@ -404,7 +397,8 @@ retrieve_list_clicked (GtkButton *button, GtkComboBox *combo)
 	GDataGoogleService *service;
 	GDataFeed *feed;
 	char *password, *tmp;
-	const char *username;
+	const char *username, *ssl;
+	char *get_subscribed_url;
 	GError *error = NULL;
 	GtkWindow *parent;
 
@@ -434,7 +428,10 @@ retrieve_list_clicked (GtkButton *button, GtkComboBox *combo)
 	memset (password, 0, strlen (password));
 	g_free (password);
 
-	feed = gdata_service_get_feed (GDATA_SERVICE (service), URL_GET_SUBSCRIBED_CALENDARS, &error);
+	ssl = e_source_get_property (source, "ssl");
+	get_subscribed_url = g_strconcat ((!ssl || g_str_equal (ssl, "1")) ? "https" : "http", URL_GET_SUBSCRIBED_CALENDARS, NULL);
+	feed = gdata_service_get_feed (GDATA_SERVICE (service), get_subscribed_url, &error);
+	g_free (get_subscribed_url);
 
 	if (feed) {
 		GSList *l;
@@ -544,6 +541,20 @@ retrieve_list_sensitize (GtkEntry *username_entry,
 	gtk_widget_set_sensitive (button, sensitive);
 }
 
+static void
+ssl_toggled (GtkToggleButton *check, ESource *source)
+{
+	g_return_if_fail (check != NULL);
+	g_return_if_fail (source != NULL);
+
+	if (gtk_toggle_button_get_active (check))
+		e_source_set_property (source, "ssl", "1");
+	else
+		e_source_set_property (source, "ssl", "0");
+
+	user_changed (GTK_ENTRY (g_object_get_data (G_OBJECT (check), "username")), source);
+}
+
 GtkWidget *
 plugin_google  (EPlugin                    *epl,
 	     EConfigHookItemFactoryData *data)
@@ -587,19 +598,27 @@ plugin_google  (EPlugin                    *epl,
 		return NULL;
 	}
 
+	e_uri_free (euri);
+
 	username = e_source_get_property (source, "username");
-	g_free (euri->user);
-	euri->user = NULL;
-	uri = e_uri_to_string (euri, FALSE);
 
 	ssl_prop = e_source_get_property (source, "ssl");
-	if (ssl_prop && ssl_prop[0] == '1') {
+	if (!ssl_prop || g_str_equal (ssl_prop, "1")) {
 		ssl_enabled = TRUE;
 	} else {
 		ssl_enabled = FALSE;
 	}
 
-	e_source_set_property (source, "ssl", "1");
+	if (!ssl_prop) {
+		e_source_set_property (source, "ssl", "1");
+	} else if (ssl_enabled) {
+		const gchar *rel_uri = e_source_peek_relative_uri (source);
+
+		if (rel_uri && g_str_has_prefix (rel_uri, "http://";)) {
+			ssl_enabled = FALSE;
+			e_source_set_property (source, "ssl", "0");
+		}
+	}
 
 	/* Build up the UI */
 	parent = data->parent;
@@ -664,7 +683,8 @@ plugin_google  (EPlugin                    *epl,
 	set_refresh_time (source, spin, option);
 	gtk_box_pack_start (GTK_BOX (hbox), option, FALSE, TRUE, 0);
 
-	e_source_set_property (source, "refresh", "30");
+	if (!e_source_get_property (source, "refresh"))
+		e_source_set_property (source, "refresh", "30");
 
 	g_object_set_data (G_OBJECT (option), "spin", spin);
 	g_signal_connect (G_OBJECT (option), "changed", G_CALLBACK (option_changed), t);
@@ -673,13 +693,14 @@ plugin_google  (EPlugin                    *epl,
 
 	gtk_table_attach (GTK_TABLE (parent), hbox, 1, 2, row + 2, row + 3, GTK_EXPAND | GTK_FILL, 0, 0, 0);
 
+	g_object_set_data (G_OBJECT (cssl), "username", user);
+	g_signal_connect (cssl, "toggled", G_CALLBACK (ssl_toggled), source);
+
 	g_signal_connect (G_OBJECT (user),
 			  "changed",
 			  G_CALLBACK (user_changed),
 			  source);
 
-        g_free (uri);
-
 	label = gtk_label_new_with_mnemonic (_("Cal_endar:"));
 	gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
 	gtk_widget_show (label);