From 7bdccade98e76df3a7830bc45bc42321a77c709a Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Fri, 15 Feb 2013 19:09:06 -0500
Subject: Every 500th request prune a single old file from var/tmp and
 var/logs. Might not be aggressive enough.  Fixes #2005.

---
 modules/gallery/helpers/gallery_event.php | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

(limited to 'modules/gallery/helpers/gallery_event.php')

diff --git a/modules/gallery/helpers/gallery_event.php b/modules/gallery/helpers/gallery_event.php
index 54c60296..eb54e521 100644
--- a/modules/gallery/helpers/gallery_event.php
+++ b/modules/gallery/helpers/gallery_event.php
@@ -36,6 +36,34 @@ class gallery_event_Core {
     locales::set_request_locale();
   }
 
+  static function gallery_shutdown() {
+    // Every 500th request, do a pass over var/logs and var/tmp and delete old files.
+    // Limit ourselves to deleting a single file so that we don't spend too much CPU
+    // time on it.  As long as servers call this at least twice a day they'll eventually
+    // wind up with a clean var/logs directory because we only create 1 file a day there.
+    // var/tmp might be stickier because theoretically we could wind up spamming that
+    // dir with a lot of files.  But let's start with this and refine as we go.
+    if (!(rand() % 500)) {
+      // Note that this code is roughly duplicated in gallery_event::gallery_shutdown
+      $threshold = time() - 1209600; // older than 2 weeks
+      foreach(array("logs", "tmp") as $dir) {
+        $dir = VARPATH . $dir;
+        if ($dh = opendir($dir)) {
+          while (($file = readdir($dh)) !== false) {
+            if ($file[0] == ".") {
+              continue;
+            }
+
+            if (filemtime("$dir/$file") <= $threshold) {
+              unlink("$dir/$file");
+              break;
+            }
+          }
+        }
+      }
+    }
+  }
+
   static function user_deleted($user) {
     $admin = identity::admin_user();
     if (!empty($admin)) {          // could be empty if there is not identity provider
-- 
cgit v1.2.3


From 96ad7789c84b5b81320f9cb94b4c8cb4e10ad92f Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Fri, 15 Feb 2013 16:15:40 -0800
Subject: Follow-on to 7bdccade98e76df3a7830bc45bc42321a77c709a to exclude
 directories for now.

---
 modules/gallery/helpers/gallery_event.php | 5 +++++
 modules/gallery/helpers/gallery_task.php  | 5 +++++
 2 files changed, 10 insertions(+)

(limited to 'modules/gallery/helpers/gallery_event.php')

diff --git a/modules/gallery/helpers/gallery_event.php b/modules/gallery/helpers/gallery_event.php
index eb54e521..26432ef5 100644
--- a/modules/gallery/helpers/gallery_event.php
+++ b/modules/gallery/helpers/gallery_event.php
@@ -54,6 +54,11 @@ class gallery_event_Core {
               continue;
             }
 
+            // Ignore directories for now, but we should really address them in the long term.
+            if (is_dir("$dir/$file")) {
+              continue;
+            }
+
             if (filemtime("$dir/$file") <= $threshold) {
               unlink("$dir/$file");
               break;
diff --git a/modules/gallery/helpers/gallery_task.php b/modules/gallery/helpers/gallery_task.php
index 37de2f93..a79cb2d5 100644
--- a/modules/gallery/helpers/gallery_task.php
+++ b/modules/gallery/helpers/gallery_task.php
@@ -290,6 +290,11 @@ class gallery_task_Core {
                 continue;
               }
 
+              // Ignore directories for now, but we should really address them in the long term.
+              if (is_dir("$dir/$file")) {
+                continue;
+              }
+
               if (filemtime("$dir/$file") <= $threshold) {
                 $files[] = "$dir/$file";
               }
-- 
cgit v1.2.3