From d69ff9623655b6950ffde408213d02baccd8a9f0 Mon Sep 17 00:00:00 2001 From: javiexin <javiexin@gmail.com> Date: Sun, 9 Jul 2017 20:07:16 +0200 Subject: [PATCH 1/4] [ticket/15266] Fix events in content_visibility Fixes core.phpbb_content_visibility_get_visibility_sql_before, core.phpbb_content_visibility_get_forums_visibility_before, core.phpbb_content_visibility_get_global_visibility_before Does not modify the events, but fixes some comments, and changes the rest of the function to allow (at least) the documented event functionality. PHPBB3-15266 --- phpBB/phpbb/content_visibility.php | 70 +++++++++++------------------- 1 file changed, 26 insertions(+), 44 deletions(-) diff --git a/phpBB/phpbb/content_visibility.php b/phpBB/phpbb/content_visibility.php index bf7dc2c703..bbff7a1fae 100644 --- a/phpBB/phpbb/content_visibility.php +++ b/phpBB/phpbb/content_visibility.php @@ -176,10 +176,14 @@ class content_visibility if ($this->auth->acl_get('m_approve', $forum_id)) { - return $where_sql . '1 = 1'; + $where_sql .= '1 = 1'; + } + else + { + $where_sql .= $table_alias . $mode . '_visibility = ' . ITEM_APPROVED; } - return $where_sql . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED; + return '(' . $where_sql . ')'; } /** @@ -195,16 +199,21 @@ class content_visibility */ public function get_forums_visibility_sql($mode, $forum_ids = array(), $table_alias = '') { - $where_sql = '('; + $where_sql = ''; - $approve_forums = array_intersect($forum_ids, array_keys($this->auth->acl_getf('m_approve', true))); + $approve_forums = array_keys($this->auth->acl_getf('m_approve', true)); + if ($forum_ids && $approve_forums) + { + $approve_forums = array_intersect($forum_ids, $approve_forums); + $forum_ids = array_diff($forum_ids, $approve_forums); + } $get_forums_visibility_sql_overwrite = false; /** * Allow changing the result of calling get_forums_visibility_sql * * @event core.phpbb_content_visibility_get_forums_visibility_before - * @var string where_sql The action the user tried to execute + * @var string where_sql Extra visibility conditions. It must end with either an SQL "AND" or an "OR" * @var string mode Either "topic" or "post" depending on the query this is being used in * @var array forum_ids Array of forum ids which the posts/topics are limited to * @var string table_alias Table alias to prefix in SQL queries @@ -229,33 +238,13 @@ class content_visibility return $get_forums_visibility_sql_overwrite; } - if (sizeof($approve_forums)) - { - // Remove moderator forums from the rest - $forum_ids = array_diff($forum_ids, $approve_forums); - - if (!sizeof($forum_ids)) - { - // The user can see all posts/topics in all specified forums - return $where_sql . $this->db->sql_in_set($table_alias . 'forum_id', $approve_forums) . ')'; - } - else - { - // Moderator can view all posts/topics in some forums - $where_sql .= $this->db->sql_in_set($table_alias . 'forum_id', $approve_forums) . ' OR '; - } - } - else - { - // The user is just a normal user - return $where_sql . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED . ' - AND ' . $this->db->sql_in_set($table_alias . 'forum_id', $forum_ids, false, true) . ')'; - } - + // Moderator can view all posts/topics in the moderated forums + $where_sql .= '(' . $this->db->sql_in_set($table_alias . 'forum_id', $approve_forums, false, true) . ' OR '; + // Normal user can view approved items only $where_sql .= '(' . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED . ' - AND ' . $this->db->sql_in_set($table_alias . 'forum_id', $forum_ids) . '))'; + AND ' . $this->db->sql_in_set($table_alias . 'forum_id', $forum_ids, false, true) . '))'; - return $where_sql; + return '(' . $where_sql . ')'; } /** @@ -281,12 +270,12 @@ class content_visibility * Allow changing the result of calling get_global_visibility_sql * * @event core.phpbb_content_visibility_get_global_visibility_before - * @var array where_sqls The action the user tried to execute + * @var array where_sqls Array of extra visibility conditions. Will be joined by imploding with "OR". * @var string mode Either "topic" or "post" depending on the query this is being used in * @var array exclude_forum_ids Array of forum ids the current user doesn't have access to * @var string table_alias Table alias to prefix in SQL queries * @var array approve_forums Array of forums where the user has m_approve permissions - * @var string visibility_sql_overwrite Forces the function to return an implosion of where_sqls (joined by "OR") + * @var string visibility_sql_overwrite If a string, forces the function to return visibility_sql_overwrite after executing the event * @since 3.1.3-RC1 */ $vars = array( @@ -304,24 +293,17 @@ class content_visibility return $visibility_sql_overwrite; } - if (sizeof($exclude_forum_ids)) - { - $where_sqls[] = '(' . $this->db->sql_in_set($table_alias . 'forum_id', $exclude_forum_ids, true) . ' - AND ' . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED . ')'; - } - else - { - $where_sqls[] = $table_alias . $mode . '_visibility = ' . ITEM_APPROVED; - } + // Include approved items in all forums but the excluded + $where_sqls[] = '(' . $this->db->sql_in_set($table_alias . 'forum_id', $exclude_forum_ids, true, true) . ' + AND ' . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED . ')'; + // If user has moderator permissions, add everything in the moderated forums if (sizeof($approve_forums)) { $where_sqls[] = $this->db->sql_in_set($table_alias . 'forum_id', $approve_forums); - return '(' . implode(' OR ', $where_sqls) . ')'; } - // There is only one element, so we just return that one - return $where_sqls[0]; + return '(' . implode(' OR ', $where_sqls) . ')'; } /** From 31b93280ee906f7ac4052540cffc210bf323f056 Mon Sep 17 00:00:00 2001 From: javiexin <javiexin@gmail.com> Date: Mon, 10 Jul 2017 15:11:22 +0200 Subject: [PATCH 2/4] [ticket/15266] Fix events in content_visibility Additional errors found. The event parameter 'timestamp' does not exist, it is really called 'time'. Affects four events: core.set_post_visibility_before_sql core.set_post_visibility_after core.set_topic_visibility_before_sql core.set_topic_visibility_after PHPBB3-15266 --- phpBB/phpbb/content_visibility.php | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/phpBB/phpbb/content_visibility.php b/phpBB/phpbb/content_visibility.php index bbff7a1fae..6abf8f996e 100644 --- a/phpBB/phpbb/content_visibility.php +++ b/phpBB/phpbb/content_visibility.php @@ -419,7 +419,7 @@ class content_visibility * @var int topic_id Topic of the post IDs to be modified. * @var int forum_id Forum ID that the topic_id resides in. * @var int user_id User ID doing this action. - * @var int timestamp Timestamp of this action. + * @var int time Timestamp of this action. * @var string reason Reason specified by the user for this change. * @var bool is_starter Are we changing the topic's starter? * @var bool is_latest Are we changing the topic's latest post? @@ -432,7 +432,7 @@ class content_visibility 'topic_id', 'forum_id', 'user_id', - 'timestamp', + 'time', 'reason', 'is_starter', 'is_latest', @@ -604,7 +604,7 @@ class content_visibility * @var int topic_id Topic of the post IDs to be modified. * @var int forum_id Forum ID that the topic_id resides in. * @var int user_id User ID doing this action. - * @var int timestamp Timestamp of this action. + * @var int time Timestamp of this action. * @var string reason Reason specified by the user for this change. * @var bool is_starter Are we changing the topic's starter? * @var bool is_latest Are we changing the topic's latest post? @@ -617,7 +617,7 @@ class content_visibility 'topic_id', 'forum_id', 'user_id', - 'timestamp', + 'time', 'reason', 'is_starter', 'is_latest', @@ -691,7 +691,7 @@ class content_visibility * @var int topic_id Topic of the post IDs to be modified. * @var int forum_id Forum ID that the topic_id resides in. * @var int user_id User ID doing this action. - * @var int timestamp Timestamp of this action. + * @var int time Timestamp of this action. * @var string reason Reason specified by the user for this change. * @var bool force_update_all Force an update on all posts within the topic, regardless of their current approval state. * @var array data The data array for this action. @@ -702,7 +702,7 @@ class content_visibility 'topic_id', 'forum_id', 'user_id', - 'timestamp', + 'time', 'reason', 'force_update_all', 'data', @@ -740,7 +740,7 @@ class content_visibility * @var int topic_id Topic of the post IDs to be modified. * @var int forum_id Forum ID that the topic_id resides in. * @var int user_id User ID doing this action. - * @var int timestamp Timestamp of this action. + * @var int time Timestamp of this action. * @var string reason Reason specified by the user for this change. * @var bool force_update_all Force an update on all posts within the topic, regardless of their current approval state. * @var array data The data array for this action. @@ -751,7 +751,7 @@ class content_visibility 'topic_id', 'forum_id', 'user_id', - 'timestamp', + 'time', 'reason', 'force_update_all', 'data', From bd81af3b9e3174d1ea2dbf405b694e535e8b1b40 Mon Sep 17 00:00:00 2001 From: javiexin <javiexin@gmail.com> Date: Wed, 12 Jul 2017 13:25:22 +0200 Subject: [PATCH 3/4] [ticket/15266] Expand functionality of content_visibility Added new function "is_visible", and replaced several immediate uses of the above, including a single event in the new function to handle change in all places consistently, and much simpler. PHPBB3-15266 --- phpBB/download/file.php | 4 ++- phpBB/includes/functions_download.php | 6 ++++- phpBB/includes/functions_mcp.php | 6 +++-- phpBB/phpbb/content_visibility.php | 36 +++++++++++++++++++++++++++ phpBB/viewforum.php | 2 +- phpBB/viewtopic.php | 2 +- 6 files changed, 50 insertions(+), 6 deletions(-) diff --git a/phpBB/download/file.php b/phpBB/download/file.php index e60ffad6b0..c0837ab7a9 100644 --- a/phpBB/download/file.php +++ b/phpBB/download/file.php @@ -149,6 +149,8 @@ $user->session_begin(false); $auth->acl($user->data); $user->setup('viewtopic'); +$phpbb_content_visibility = $phpbb_container->get('content.visibility'); + if (!$config['allow_attachments'] && !$config['allow_pm_attach']) { send_status_line(404, 'Not Found'); @@ -215,7 +217,7 @@ else $post_row = $db->sql_fetchrow($result); $db->sql_freeresult($result); - if (!$post_row || ($post_row['post_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $post_row['forum_id']))) + if (!$post_row || !$phpbb_content_visibility->is_visible('post', $post_row['forum_id'], $post_row)) { // Attachment of a soft deleted post and the user is not allowed to see the post send_status_line(404, 'Not Found'); diff --git a/phpBB/includes/functions_download.php b/phpBB/includes/functions_download.php index 053e362682..ad1762da63 100644 --- a/phpBB/includes/functions_download.php +++ b/phpBB/includes/functions_download.php @@ -650,6 +650,8 @@ function phpbb_increment_downloads($db, $ids) */ function phpbb_download_handle_forum_auth($db, $auth, $topic_id) { + global $phpbb_container; + $sql_array = array( 'SELECT' => 't.topic_visibility, t.forum_id, f.forum_name, f.forum_password, f.parent_id', 'FROM' => array( @@ -665,7 +667,9 @@ function phpbb_download_handle_forum_auth($db, $auth, $topic_id) $row = $db->sql_fetchrow($result); $db->sql_freeresult($result); - if ($row && $row['topic_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $row['forum_id'])) + $phpbb_content_visibility = $phpbb_container->get('content.visibility'); + + if ($row && !$phpbb_content_visibility->is_visible('topic', $row['forum_id'], $row)) { send_status_line(404, 'Not Found'); trigger_error('ERROR_NO_ATTACHMENT'); diff --git a/phpBB/includes/functions_mcp.php b/phpBB/includes/functions_mcp.php index 1e08864bdc..0e26ca9b2a 100644 --- a/phpBB/includes/functions_mcp.php +++ b/phpBB/includes/functions_mcp.php @@ -197,7 +197,7 @@ function phpbb_get_topic_data($topic_ids, $acl_list = false, $read_tracking = fa */ function phpbb_get_post_data($post_ids, $acl_list = false, $read_tracking = false) { - global $db, $auth, $config, $user; + global $db, $auth, $config, $user, $phpbb_container; $rowset = array(); @@ -246,6 +246,8 @@ function phpbb_get_post_data($post_ids, $acl_list = false, $read_tracking = fals $result = $db->sql_query($sql); unset($sql_array); + $phpbb_content_visibility = $phpbb_container->get('content.visibility'); + while ($row = $db->sql_fetchrow($result)) { if ($acl_list && !$auth->acl_gets($acl_list, $row['forum_id'])) @@ -253,7 +255,7 @@ function phpbb_get_post_data($post_ids, $acl_list = false, $read_tracking = fals continue; } - if ($row['post_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $row['forum_id'])) + if (!$phpbb_content_visibility->is_visible('post', $row['forum_id'], $row)) { // Moderators without the permission to approve post should at least not see them. ;) continue; diff --git a/phpBB/phpbb/content_visibility.php b/phpBB/phpbb/content_visibility.php index 6abf8f996e..be552c7761 100644 --- a/phpBB/phpbb/content_visibility.php +++ b/phpBB/phpbb/content_visibility.php @@ -131,6 +131,42 @@ class content_visibility return (int) $data[$mode . '_approved'] + (int) $data[$mode . '_unapproved'] + (int) $data[$mode . '_softdeleted']; } + + /** + * Check topic/post visibility for a given forum ID + * + * Note: Read permissions are not checked. + * + * @param $mode string Either "topic" or "post" + * @param $forum_id int The forum id is used for permission checks + * @param $data array Array with item information to check visibility + * @return bool True if the item is visible, false if not + */ + public function is_visible($mode, $forum_id, $data) + { + $is_visible = $this->auth->acl_get('m_approve', $forum_id) || $data[$mode . '_visibility'] == ITEM_APPROVED; + + /** + * Allow changing the result of calling is_visible + * + * @event core.phpbb_content_visibility_is_visible + * @var bool is_visible Default visibility condition, to be modified by extensions if needed. + * @var string mode Either "topic" or "post" + * @var int forum_id Forum id of the current item + * @var array data Array of item information + * @since 3.1.12-RC1 + */ + $vars = array( + 'is_visible', + 'mode', + 'forum_id', + 'data', + ); + extract($this->phpbb_dispatcher->trigger_event('core.phpbb_content_visibility_is_visible', compact($vars))); + + return $is_visible; + } + /** * Create topic/post visibility SQL for a given forum ID * diff --git a/phpBB/viewforum.php b/phpBB/viewforum.php index 5c51975150..5e62b3c68a 100644 --- a/phpBB/viewforum.php +++ b/phpBB/viewforum.php @@ -520,7 +520,7 @@ if ($forum_data['forum_type'] == FORUM_POST) while ($row = $db->sql_fetchrow($result)) { - if ($row['topic_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $row['forum_id'])) + if (!$phpbb_content_visibility->is_visible('topic', $row['forum_id'], $row)) { // Do not display announcements that are waiting for approval or soft deleted. continue; diff --git a/phpBB/viewtopic.php b/phpBB/viewtopic.php index 378e2d8f97..0dad2796b3 100644 --- a/phpBB/viewtopic.php +++ b/phpBB/viewtopic.php @@ -262,7 +262,7 @@ if (!$topic_data) $forum_id = (int) $topic_data['forum_id']; // Now we know the forum_id and can check the permissions -if ($topic_data['topic_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $forum_id)) +if (!$phpbb_content_visibility->is_visible('topic', $forum_id, $topic_data)) { trigger_error('NO_TOPIC'); } From dc48f28da1d4ff4ae2956648c70b8291de1d904e Mon Sep 17 00:00:00 2001 From: Marc Alexander <admin@m-a-styles.de> Date: Wed, 27 Dec 2017 12:24:02 +0100 Subject: [PATCH 4/4] [ticket/15266] Update since, add changed, and use empty where applicable PHPBB3-15266 --- phpBB/phpbb/content_visibility.php | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/phpBB/phpbb/content_visibility.php b/phpBB/phpbb/content_visibility.php index be552c7761..237300894b 100644 --- a/phpBB/phpbb/content_visibility.php +++ b/phpBB/phpbb/content_visibility.php @@ -154,7 +154,7 @@ class content_visibility * @var string mode Either "topic" or "post" * @var int forum_id Forum id of the current item * @var array data Array of item information - * @since 3.1.12-RC1 + * @since 3.2.2-RC1 */ $vars = array( 'is_visible', @@ -238,7 +238,7 @@ class content_visibility $where_sql = ''; $approve_forums = array_keys($this->auth->acl_getf('m_approve', true)); - if ($forum_ids && $approve_forums) + if (!empty($forum_ids) && !empty($approve_forums)) { $approve_forums = array_intersect($forum_ids, $approve_forums); $forum_ids = array_diff($forum_ids, $approve_forums); @@ -311,7 +311,7 @@ class content_visibility * @var array exclude_forum_ids Array of forum ids the current user doesn't have access to * @var string table_alias Table alias to prefix in SQL queries * @var array approve_forums Array of forums where the user has m_approve permissions - * @var string visibility_sql_overwrite If a string, forces the function to return visibility_sql_overwrite after executing the event + * @var string visibility_sql_overwrite If not empty, forces the function to return visibility_sql_overwrite after executing the event * @since 3.1.3-RC1 */ $vars = array( @@ -461,6 +461,7 @@ class content_visibility * @var bool is_latest Are we changing the topic's latest post? * @var array data The data array for this action. * @since 3.1.10-RC1 + * @changed 3.2.2-RC1 Use time instead of non-existent timestamp */ $vars = array( 'visibility', @@ -646,6 +647,7 @@ class content_visibility * @var bool is_latest Are we changing the topic's latest post? * @var array data The data array for this action. * @since 3.1.10-RC1 + * @changed 3.2.2-RC1 Use time instead of non-existent timestamp */ $vars = array( 'visibility', @@ -732,6 +734,7 @@ class content_visibility * @var bool force_update_all Force an update on all posts within the topic, regardless of their current approval state. * @var array data The data array for this action. * @since 3.1.10-RC1 + * @changed 3.2.2-RC1 Use time instead of non-existent timestamp */ $vars = array( 'visibility', @@ -781,6 +784,7 @@ class content_visibility * @var bool force_update_all Force an update on all posts within the topic, regardless of their current approval state. * @var array data The data array for this action. * @since 3.1.10-RC1 + * @changed 3.2.2-RC1 Use time instead of non-existent timestamp */ $vars = array( 'visibility',