From b0e03ebf8e23db1c52b6c530328cf44f8accbd91 Mon Sep 17 00:00:00 2001
From: brettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>
Date: Tue, 15 Mar 2011 05:26:43 +0000
Subject: Refs #2538. Loading js/configuration.js again. Only updating tokens
 on success and showing a basic warning if refresh fails.

git-svn-id: http://code.elgg.org/elgg/trunk@8719 36083f99-b078-4883-b0ff-0f9b5a30f544
---
 js/lib/ajax.js            |  2 +-
 js/lib/configuration.js   |  7 +++++--
 js/lib/security.js        | 22 +++++++++++++++++++++-
 languages/en.php          |  7 +++++++
 views/default/js/elgg.php |  1 +
 5 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/js/lib/ajax.js b/js/lib/ajax.js
index 36f76b2c3..5e290df6f 100644
--- a/js/lib/ajax.js
+++ b/js/lib/ajax.js
@@ -193,7 +193,7 @@ elgg.action = function(action, options) {
 	//Always display system messages after actions
 	var custom_success = options.success || elgg.nullFunction;
 	options.success = function(json, two, three, four) {
-		if (json.system_messages) {
+		if (json && json.system_messages) {
 			elgg.register_error(json.system_messages.errors);
 			elgg.system_message(json.system_messages.success);
 		}
diff --git a/js/lib/configuration.js b/js/lib/configuration.js
index d0c852bd0..f724a2f01 100644
--- a/js/lib/configuration.js
+++ b/js/lib/configuration.js
@@ -1,7 +1,10 @@
 elgg.provide('elgg.config');
 
-elgg.config.wwwroot = '/';
-
+/**
+ * Returns the current site URL
+ *
+ * @return {String} The site URL.
+ */
 elgg.get_site_url = function() {
 	return elgg.config.wwwroot;
 }
\ No newline at end of file
diff --git a/js/lib/security.js b/js/lib/security.js
index f88c6165d..fa0a6f7ef 100644
--- a/js/lib/security.js
+++ b/js/lib/security.js
@@ -5,13 +5,15 @@ elgg.provide('elgg.security');
 
 elgg.security.token = {};
 
+elgg.security.tokenRefreshFailed = false;
+
 /**
  * Sets the currently active security token and updates all forms and links on the current page.
  *
  * @param {Object} json The json representation of a token containing __elgg_ts and __elgg_token
  * @return {Void}
  */
-elgg.security.setToken = function(json) {
+elgg.security.setToken = function(json) {	
 	//update the convenience object
 	elgg.security.token = json;
 
@@ -34,6 +36,24 @@ elgg.security.setToken = function(json) {
  */
 elgg.security.refreshToken = function() {
 	elgg.action('security/refreshtoken', function(data) {
+
+		// @todo might want to move this to setToken() once http://trac.elgg.org/ticket/3127
+		// is implemented. It's here right now to avoid soggy code.
+		if (!data || !(data.output.__elgg_ts && data.output.__elgg_token)) {
+			elgg.register_error(elgg.echo('js:security:token_refresh_failed', [elgg.get_site_url()]));
+			elgg.security.tokenRefreshFailed = true;
+
+			// don't setToken because we refresh every 5 minutes and tokens are good for 1
+			// hour by default
+			return;
+		}
+
+		// if had problems last time, let them know it's working now
+		if (elgg.security.tokenRefreshFailed) {
+			elgg.system_message(elgg.echo('js:security:token_refreshed', [elgg.get_site_url()]));
+			elgg.security.tokenRefreshFailed = false;
+		}
+		
 		elgg.security.setToken(data.output);
 	});
 };
diff --git a/languages/en.php b/languages/en.php
index 32a4cbb3d..375ba6135 100644
--- a/languages/en.php
+++ b/languages/en.php
@@ -1098,6 +1098,13 @@ You cannot reply to this email.",
 	'tag_names:tags' => 'Tags',
 	'tags:site_cloud' => 'Site Tag Cloud',
 
+/**
+ * Javascript
+ */
+
+	'js:security:token_refresh_failed' => 'Cannot contact %s. You may experience problems saving content.',
+	'js:security:token_refreshed' => 'Connection to %s restored!',
+
 /**
  * Languages according to ISO 639-1
  */
diff --git a/views/default/js/elgg.php b/views/default/js/elgg.php
index 018db7967..a434afc7d 100644
--- a/views/default/js/elgg.php
+++ b/views/default/js/elgg.php
@@ -34,6 +34,7 @@ $libs = array(
 	'ajax',
 	'session',
 	'pageowner',
+	'configuration',
 
 	//ui
 	'ui',
-- 
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