add config.php defines for twitter, only enable twitter pane when they are filled in

config.php-dist

@@ -174,6 +174,11 @@
 	define('ENABLE_TWEET_BUTTON', false);
 	// Enable 'tweet this' button for articles
 
+	define('CONSUMER_KEY', '');
+	define('CONSUMER_SECRET', '');
+	// Your OAuth instance authentication information for Twitter, visit
+	// http://twitter.com/oauth_clients to register your instance.
+
 	define('CONFIG_VERSION', 20);
 	// Expected config version. Please update this option in config.php
 	// if necessary (after migrating all new options from this file).

modules/pref-feeds.php

@@ -1329,30 +1329,34 @@
 
 		print "</div>"; #pane
 
-		print "<div id=\"pref-feeds-twitter\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Twitter')."\">";
+		if (defined('CONSUMER_KEY') && CONSUMER_KEY != '') {
 
-		$result = db_query($link, "SELECT COUNT(*) AS cid FROM ttrss_users
+			print "<div id=\"pref-feeds-twitter\" dojoType=\"dijit.layout.AccordionPane\" title=\"".__('Twitter')."\">";
-			WHERE twitter_oauth IS NOT NULL AND twitter_oauth != '' AND
-			id = " . $_SESSION['uid']);
 	
-		$is_registered = db_fetch_result($result, 0, "cid") != 0;
+			$result = db_query($link, "SELECT COUNT(*) AS cid FROM ttrss_users
+				WHERE twitter_oauth IS NOT NULL AND twitter_oauth != '' AND
+				id = " . $_SESSION['uid']);
 	
-		if (!$is_registered) {
+			$is_registered = db_fetch_result($result, 0, "cid") != 0;
-			print_notice(__('Before you can update your Twitter feeds, you must register this instance of Tiny Tiny RSS with Twitter.com.'));
+	
-		} else {
+			if (!$is_registered) {
-			print_notice(__('You have been successfully registered with Twitter.com and should be able to access your Twitter feeds.'));
+				print_notice(__('Before you can update your Twitter feeds, you must register this instance of Tiny Tiny RSS with Twitter.com.'));
-		}
+			} else {
+				print_notice(__('You have been successfully registered with Twitter.com and should be able to access your Twitter feeds.'));
+			}
+	
+			print "<button dojoType=\"dijit.form.Button\" onclick=\"window.location.href = 'twitter.php?op=register'\">".
+				__("Register with Twitter.com")."</button>";
 	
-		print "<button dojoType=\"dijit.form.Button\" onclick=\"window.location.href = 'twitter.php?op=register'\">".
+			print " ";
-			__("Register with Twitter.com")."</button>";
 	
-		print " ";
+			print "<button dojoType=\"dijit.form.Button\" 
+				onclick=\"return clearTwitterCredentials()\">".
+				__("Clear stored credentials")."</button>";
 	
-		print "<button dojoType=\"dijit.form.Button\" 
+			print "</div>"; # pane
-			onclick=\"return clearTwitterCredentials()\">".
-			__("Clear stored credentials")."</button>";
 
-		print "</div>";
+		}
 
 		print "</div>"; #container