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Correctly delete message attachments. (Bug #23755) Also revamped and simplified delete_attachments() - it looks like we did not touch it for a long long time.

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git-svn-id: file:///svn/phpbb/branches/phpBB-3_0_0@8890 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Meik Sievertsen 2008-09-19 15:39:43 +00:00
parent a2a9b8b7ab
commit e12fce5f3d
3 changed files with 103 additions and 126 deletions
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1
phpBB/docs/CHANGELOG.html
View file

@ -118,6 +118,7 @@
<li>[Fix] Set secure cookie for style switcher if required. (Bug #19625)</li>
<li>[Fix] Fix native full text search on postgresql while using excluding keyword matches. (Bug #19195)</li>
<li>[Fix] Pass S_SEARCH_ACTION through append_sid() in search.php. (Bug #21585)</li>
<li>[Fix] Correctly delete message attachments. (Bug #23755)</li>
<li>[Change] No longer allow the direct use of MULTI_INSERT in sql_build_array. sql_multi_insert() must be used.</li>
<li>[Change] Display warning in ACP if config.php file is left writable.</li>

214
phpBB/includes/functions_admin.php
View file

@ -791,8 +791,8 @@ function delete_posts($where_type, $where_ids, $auto_sync = true, $posted_sync =
/**
* Delete Attachments
*
* @param string $mode can be: post|topic|attach|user
* @param mixed $ids can be: post_ids, topic_ids, attach_ids, user_ids
* @param string $mode can be: post|message|topic|attach|user
* @param mixed $ids can be: post_ids, message_ids, topic_ids, attach_ids, user_ids
* @param bool $resync set this to false if you are deleting posts or topics
*/
function delete_attachments($mode, $ids, $resync = true)
@ -814,42 +814,55 @@ function delete_attachments($mode, $ids, $resync = true)
return false;
}
$sql_id = ($mode == 'user') ? 'poster_id' : (($mode == 'post') ? 'post_msg_id' : (($mode == 'topic') ? 'topic_id' : 'attach_id'));
$post_ids = $topic_ids = $physical = array();
// Collect post and topics ids for later use
if ($mode == 'attach' || $mode == 'user' || ($mode == 'topic' && $resync))
switch ($mode)
{
$sql = 'SELECT post_msg_id as post_id, topic_id, physical_filename, thumbnail, filesize
case 'post':
case 'message':
$sql_id = 'post_msg_id';
break;
case 'topic':
$sql_id = 'topic_id';
break;
case 'user':
$sql_id = 'poster_id';
break;
case 'attach':
default:
$sql_id = 'attach_id';
$mode = 'attach';
break;
}
$post_ids = $message_ids = $topic_ids = $physical = array();
// Collect post and topic ids for later use if we need to touch remaining entries (if resync is enabled)
$sql = 'SELECT post_msg_id, topic_id, in_message, physical_filename, thumbnail, filesize, is_orphan
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set($sql_id, $ids);
$result = $db->sql_query($sql);
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$post_ids[] = $row['post_id'];
$topic_ids[] = $row['topic_id'];
$physical[] = array('filename' => $row['physical_filename'], 'thumbnail' => $row['thumbnail'], 'filesize' => $row['filesize']);
}
$db->sql_freeresult($result);
}
if ($mode == 'post')
while ($row = $db->sql_fetchrow($result))
{
$sql = 'SELECT topic_id, physical_filename, thumbnail, filesize
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('post_msg_id', $ids) . '
AND in_message = 0';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
// We only need to store post/message/topic ids if resync is enabled and the file is not orphaned
if ($resync && !$row['is_orphan'])
{
$topic_ids[] = $row['topic_id'];
$physical[] = array('filename' => $row['physical_filename'], 'thumbnail' => $row['thumbnail'], 'filesize' => $row['filesize']);
if (!$row['in_message'])
{
$post_ids[] = $row['post_msg_id'];
$topic_ids[] = $row['topic_id'];
}
else
{
$message_ids[] = $row['post_msg_id'];
}
}
$db->sql_freeresult($result);
$physical[] = array('filename' => $row['physical_filename'], 'thumbnail' => $row['thumbnail'], 'filesize' => $row['filesize'], 'is_orphan' => $row['is_orphan']);
}
$db->sql_freeresult($result);
// Delete attachments
$sql = 'DELETE FROM ' . ATTACHMENTS_TABLE . '
@ -866,8 +879,9 @@ function delete_attachments($mode, $ids, $resync = true)
$space_removed = $files_removed = 0;
foreach ($physical as $file_ary)
{
if (phpbb_unlink($file_ary['filename'], 'file', true))
if (phpbb_unlink($file_ary['filename'], 'file', true) && !$file_ary['is_orphan'])
{
// Only non-orphaned files count to the file size
$space_removed += $file_ary['filesize'];
$files_removed++;
}
@ -877,122 +891,72 @@ function delete_attachments($mode, $ids, $resync = true)
phpbb_unlink($file_ary['filename'], 'thumbnail', true);
}
}
set_config('upload_dir_size', $config['upload_dir_size'] - $space_removed, true);
set_config('num_files', $config['num_files'] - $files_removed, true);
if ($mode == 'topic' && !$resync)
if ($space_removed || $files_removed)
{
set_config('upload_dir_size', $config['upload_dir_size'] - $space_removed, true);
set_config('num_files', $config['num_files'] - $files_removed, true);
}
// If we do not resync, we do not need to adjust any message, post, topic or user entries
if (!$resync)
{
return $num_deleted;
}
if ($mode == 'post')
{
$post_ids = $ids;
}
// No more use for the original ids
unset($ids);
// Now, we need to resync posts, messages, topics. We go through every one of them
$post_ids = array_unique($post_ids);
$message_ids = array_unique($message_ids);
$topic_ids = array_unique($topic_ids);
// Update post indicators
// Update post indicators for posts now no longer having attachments
if (sizeof($post_ids))
{
if ($mode == 'post' || $mode == 'topic')
{
$sql = 'UPDATE ' . POSTS_TABLE . '
SET post_attachment = 0
WHERE ' . $db->sql_in_set('post_id', $post_ids);
$db->sql_query($sql);
}
if ($mode == 'user' || $mode == 'attach')
{
$remaining = array();
$sql = 'SELECT post_msg_id
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('post_msg_id', $post_ids) . '
AND in_message = 0';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$remaining[] = $row['post_msg_id'];
}
$db->sql_freeresult($result);
$unset_ids = array_diff($post_ids, $remaining);
if (sizeof($unset_ids))
{
$sql = 'UPDATE ' . POSTS_TABLE . '
SET post_attachment = 0
WHERE ' . $db->sql_in_set('post_id', $unset_ids);
$db->sql_query($sql);
}
$remaining = array();
$sql = 'SELECT post_msg_id
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('post_msg_id', $post_ids) . '
AND in_message = 1';
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$remaining[] = $row['post_msg_id'];
}
$db->sql_freeresult($result);
$unset_ids = array_diff($post_ids, $remaining);
if (sizeof($unset_ids))
{
$sql = 'UPDATE ' . PRIVMSGS_TABLE . '
SET message_attachment = 0
WHERE ' . $db->sql_in_set('msg_id', $unset_ids);
$db->sql_query($sql);
}
}
$sql = 'UPDATE ' . POSTS_TABLE . '
SET post_attachment = 0
WHERE ' . $db->sql_in_set('post_id', $post_ids);
$db->sql_query($sql);
}
// Update message table if messages are affected
if (sizeof($message_ids))
{
$sql = 'UPDATE ' . PRIVMSGS_TABLE . '
SET message_attachment = 0
WHERE ' . $db->sql_in_set('msg_id', $message_ids);
$db->sql_query($sql);
}
// Now update the topics. This is a bit trickier, because there could be posts still having attachments within the topic
if (sizeof($topic_ids))
{
// Update topic indicator
if ($mode == 'topic')
// Just check which topics are still having an assigned attachment not orphaned by querying the attachments table (much less entries expected)
$sql = 'SELECT topic_id
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('topic_id', $topic_ids) . '
AND is_orphan = 0';
$result = $db->sql_query($sql);
$remaining_ids = array();
while ($row = $db->sql_fetchrow($result))
{
$remaining_ids[] = $row['topic_id'];
}
$db->sql_freeresult($result);
// Now only unset those ids remaining
$topic_ids = array_diff($topic_ids, $remaining_ids);
if (sizeof($topic_ids))
{
$sql = 'UPDATE ' . TOPICS_TABLE . '
SET topic_attachment = 0
WHERE ' . $db->sql_in_set('topic_id', $topic_ids);
$db->sql_query($sql);
}
if ($mode == 'post' || $mode == 'user' || $mode == 'attach')
{
$remaining = array();
$sql = 'SELECT topic_id
FROM ' . ATTACHMENTS_TABLE . '
WHERE ' . $db->sql_in_set('topic_id', $topic_ids);
$result = $db->sql_query($sql);
while ($row = $db->sql_fetchrow($result))
{
$remaining[] = $row['topic_id'];
}
$db->sql_freeresult($result);
$unset_ids = array_diff($topic_ids, $remaining);
if (sizeof($unset_ids))
{
$sql = 'UPDATE ' . TOPICS_TABLE . '
SET topic_attachment = 0
WHERE ' . $db->sql_in_set('topic_id', $unset_ids);
$db->sql_query($sql);
}
}
}
return $num_deleted;

14
phpBB/includes/functions_privmsgs.php
View file

@ -930,7 +930,7 @@ function handle_mark_actions($user_id, $mark_action)
*/
function delete_pm($user_id, $msg_ids, $folder_id)
{
global $db, $user;
global $db, $user, $phpbb_root_path, $phpEx;
$user_id = (int) $user_id;
$folder_id = (int) $folder_id;
@ -979,6 +979,8 @@ function delete_pm($user_id, $msg_ids, $folder_id)
return false;
}
$db->sql_transaction('begin');
// if no one has read the message yet (meaning it is in users outbox)
// then mark the message as deleted...
if ($folder_id == PRIVMSGS_OUTBOX)
@ -1056,11 +1058,21 @@ function delete_pm($user_id, $msg_ids, $folder_id)
if (sizeof($delete_ids))
{
// Check if there are any attachments we need to remove
if (!function_exists('delete_attachments'))
{
include($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
}
delete_attachments('message', $delete_ids, false);
$sql = 'DELETE FROM ' . PRIVMSGS_TABLE . '
WHERE ' . $db->sql_in_set('msg_id', $delete_ids);
$db->sql_query($sql);
}
$db->sql_transaction('commit');
return true;
}