[opw-web] Add config variables to allow turning on HybridAuth debug logging

[Owen Taylor <otaylor src gnome org>]

commit a540fc60671db54a028f42e4d5a4ee7d427ba452
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Mon Mar 10 09:51:20 2014 -0400

    Add config variables to allow turning on HybridAuth debug logging

 classes/class_config.php |    4 ++++
 classes/class_user.php   |    4 +++-
 config.sample.php        |    4 ++++
 3 files changed, 11 insertions(+), 1 deletions(-)
---
diff --git a/classes/class_config.php b/classes/class_config.php
index 4150e07..8438547 100644
--- a/classes/class_config.php
+++ b/classes/class_config.php
@@ -24,6 +24,8 @@ class config
     var $auth_facebook_enabled;
     var $auth_facebook_id;
     var $auth_facebook_secret;
+    var $auth_debug_enabled;
+    var $auth_debug_file;
 
     var $site_name;
     var $site_url;
@@ -105,6 +107,8 @@ class config
             $this->auth_facebook_enabled  = isset($auth_facebook_enabled) ? $auth_facebook_enabled : false;
             $this->auth_facebook_id       = isset($auth_facebook_id) ? $auth_facebook_id : '';
             $this->auth_facebook_secret   = isset($auth_facebook_secret) ? $auth_facebook_secret : '';
+            $this->auth_debug_enabled     = isset($auth_debug_enabled) ? $auth_debug_enabled : '';
+            $this->auth_debug_file        = isset($auth_debug_file) ? $auth_debug_file : '';
 
             $this->site_name        = isset($site_name) ? $site_name : 'Pandora';
             $this->site_url         = isset($site_url ) ? $site_url  : 'https://' . $_SERVER["HTTP_HOST"];
diff --git a/classes/class_user.php b/classes/class_user.php
index 4c3eeb6..09f904a 100644
--- a/classes/class_user.php
+++ b/classes/class_user.php
@@ -58,7 +58,9 @@ class user
                          ),
                          "scope" => "email"
                      ),
-                )
+                 ),
+                 "debug_mode" => $config->auth_debug_enabled,
+                 "debug_file" => $config->auth_debug_file
             );
 
             $this->_hybridauth = new Hybrid_Auth($config);
diff --git a/config.sample.php b/config.sample.php
index 51758ad..e33ae31 100644
--- a/config.sample.php
+++ b/config.sample.php
@@ -44,6 +44,10 @@ $auth_facebook_enabled = true;
 $auth_facebook_id = '';
 $auth_facebook_secret = '';
 
+// The file must be web-server writable
+$auth_debug_enabled = false;
+$auth_debug_file = '';
+
 // Site name
 $site_name = "Outreach Program for Women";