Locale switch cleanup: use common_switch_locale() which is safer for updating gettext state. Also moved a few calls to reduce chance of hitting an exception before switching back.

Should help with problems where xmppdaemon would get stuck in wrong locale.

4 files changed, 33 insertions, 16 deletions

diff --git a/lib/mail.php b/lib/mail.php
index 5fc584e28..a4065e8d5 100644
--- a/lib/mail.php
+++ b/lib/mail.php
@@ -224,9 +224,6 @@ function mail_subscribe_notify_profile($listenee, $other)
     if ($other->hasRight(Right::EMAILONSUBSCRIBE) &&
         $listenee->email && $listenee->emailnotifysub) {
 
-        // use the recipient's localization
-        common_init_locale($listenee->language);
-
         $profile = $listenee->getProfile();
 
         $name = $profile->getBestName();
@@ -236,6 +233,9 @@ function mail_subscribe_notify_profile($listenee, $other)
 
         $recipients = $listenee->email;
 
+        // use the recipient's localization
+        common_switch_locale($listenee->language);
+
         $headers = _mail_prepare_headers('subscribe', $listenee->nickname, $other->nickname);
         $headers['From']    = mail_notify_from();
         $headers['To']      = $name . ' <' . $listenee->email . '>';
@@ -271,7 +271,7 @@ function mail_subscribe_notify_profile($listenee, $other)
                         common_local_url('emailsettings'));
 
         // reset localization
-        common_init_locale();
+        common_switch_locale();
         mail_send($recipients, $headers, $body);
     }
 }
@@ -473,7 +473,7 @@ function mail_confirm_sms($code, $nickname, $address)
 
 function mail_notify_nudge($from, $to)
 {
-    common_init_locale($to->language);
+    common_switch_locale($to->language);
     // TRANS: Subject for 'nudge' notification email
     $subject = sprintf(_('You\'ve been nudged by %s'), $from->nickname);
 
@@ -491,7 +491,7 @@ function mail_notify_nudge($from, $to)
                     $from->nickname,
                     common_local_url('all', array('nickname' => $to->nickname)),
                     common_config('site', 'name'));
-    common_init_locale();
+    common_switch_locale();
 
     $headers = _mail_prepare_headers('nudge', $to->nickname, $from->nickname);
 
@@ -525,7 +525,7 @@ function mail_notify_message($message, $from=null, $to=null)
         return true;
     }
 
-    common_init_locale($to->language);
+    common_switch_locale($to->language);
     // TRANS: Subject for direct-message notification email
     $subject = sprintf(_('New private message from %s'), $from->nickname);
 
@@ -549,7 +549,7 @@ function mail_notify_message($message, $from=null, $to=null)
 
     $headers = _mail_prepare_headers('message', $to->nickname, $from->nickname);
 
-    common_init_locale();
+    common_switch_locale();
     return mail_to_user($to, $subject, $body, $headers);
 }
 
@@ -577,7 +577,7 @@ function mail_notify_fave($other, $user, $notice)
 
     $bestname = $profile->getBestName();
 
-    common_init_locale($other->language);
+    common_switch_locale($other->language);
 
     // TRANS: Subject for favorite notification email
     $subject = sprintf(_('%s (@%s) added your notice as a favorite'), $bestname, $user->nickname);
@@ -605,7 +605,7 @@ function mail_notify_fave($other, $user, $notice)
 
     $headers = _mail_prepare_headers('fave', $other->nickname, $user->nickname);
 
-    common_init_locale();
+    common_switch_locale();
     mail_to_user($other, $subject, $body, $headers);
 }
 
diff --git a/lib/util.php b/lib/util.php
index efede1d4b..597da22c0 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -34,6 +34,14 @@ function common_user_error($msg, $code=400)
     $err->showPage();
 }
 
+/**
+ * This should only be used at setup; processes switching languages
+ * to send text to other users should use common_switch_locale().
+ * 
+ * @param string $language Locale language code (optional; empty uses
+ *                         current user's preference or site default)
+ * @return mixed success
+ */
 function common_init_locale($language=null)
 {
     if(!$language) {
@@ -50,6 +58,15 @@ function common_init_locale($language=null)
     return $ok;
 }
 
+/**
+ * Initialize locale and charset settings and gettext with our message catalog,
+ * using the current user's language preference or the site default.
+ * 
+ * This should generally only be run at framework initialization; code switching
+ * languages at runtime should call common_switch_language().
+ * 
+ * @access private
+ */
 function common_init_language()
 {
     mb_internal_encoding('UTF-8');
diff --git a/plugins/Facebook/facebookutil.php b/plugins/Facebook/facebookutil.php
index ac532e18b..83664995a 100644
--- a/plugins/Facebook/facebookutil.php
+++ b/plugins/Facebook/facebookutil.php
@@ -272,12 +272,12 @@ function remove_facebook_app($flink)
 
 function mail_facebook_app_removed($user)
 {
-    common_init_locale($user->language);
-
     $profile = $user->getProfile();
 
     $site_name = common_config('site', 'name');
 
+    common_switch_locale($user->language);
+
     $subject = sprintf(
         _m('Your %1$s Facebook application access has been disabled.',
             $site_name));
@@ -291,7 +291,7 @@ function mail_facebook_app_removed($user)
         "re-installing the %2\$s Facebook application.\n\nRegards,\n\n%2\$s"),
         $user->nickname, $site_name);
 
-    common_init_locale();
+    common_switch_locale();
     return mail_to_user($user, $subject, $body);
 
 }
diff --git a/plugins/TwitterBridge/twitter.php b/plugins/TwitterBridge/twitter.php
index 21adc7a90..896eee2da 100644
--- a/plugins/TwitterBridge/twitter.php
+++ b/plugins/TwitterBridge/twitter.php
@@ -335,10 +335,10 @@ function remove_twitter_link($flink)
 
 function mail_twitter_bridge_removed($user)
 {
-    common_init_locale($user->language);
-
     $profile = $user->getProfile();
 
+    common_switch_locale($user->language);
+
     $subject = sprintf(_m('Your Twitter bridge has been disabled.'));
 
     $site_name = common_config('site', 'name');
@@ -354,7 +354,7 @@ function mail_twitter_bridge_removed($user)
         common_local_url('twittersettings'),
         common_config('site', 'name'));
 
-    common_init_locale();
+    common_switch_locale();
     return mail_to_user($user, $subject, $body);
 }