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-rw-r--r--include/functions_comment.inc.php130
-rw-r--r--include/functions_user.inc.php15
-rw-r--r--include/picture_comment.inc.php38
3 files changed, 174 insertions, 9 deletions
diff --git a/include/functions_comment.inc.php b/include/functions_comment.inc.php
index c8dd6f3e0..fb421d39b 100644
--- a/include/functions_comment.inc.php
+++ b/include/functions_comment.inc.php
@@ -205,4 +205,134 @@ INSERT INTO '.COMMENTS_TABLE.'
return $comment_action;
}
+/**
+ * Tries to delete a user comment in the database
+ * only admin can delete all comments
+ * other users can delete their own comments
+ * so to avoid a new sql request we add author in where clause
+ *
+ * @param comment_id
+ */
+
+function delete_user_comment($comment_id) {
+ $user_where_clause = '';
+ if (!is_admin())
+ {
+ $user_where_clause = ' AND author = \''.$GLOBALS['user']['username'].'\'';
+ }
+ $query = '
+DELETE FROM '.COMMENTS_TABLE.'
+ WHERE id = '.$comment_id.
+$user_where_clause.'
+;';
+ $result = pwg_query($query);
+ if ($result) {
+ email_admin('delete', array('author' => $GLOBALS['user']['username']));
+ }
+}
+
+/**
+ * Tries to update a user comment in the database
+ * only admin can update all comments
+ * users can edit their own comments if admin allow them
+ * so to avoid a new sql request we add author in where clause
+ *
+ * @param comment_id
+ * @param post_key
+ * @param content
+ */
+
+function update_user_comment($comment, $post_key) {
+ global $conf;
+
+ $comment_action = 'validate';
+
+ $key = explode( ':', $post_key );
+ if ( count($key)!=2
+ or $key[0]>time()-2 // page must have been retrieved more than 2 sec ago
+ or $key[0]<time()-3600 // 60 minutes expiration
+ or hash_hmac('md5', $key[0].':'.$comment['image_id'], $conf['secret_key']
+ ) != $key[1]
+ )
+ {
+ $comment_action='reject';
+ }
+
+ if ($comment_action!='reject' and $conf['anti-flood_time']>0 )
+ { // anti-flood system
+ $reference_date = time() - $conf['anti-flood_time'];
+ $query = '
+SELECT id FROM '.COMMENTS_TABLE.'
+ WHERE date > FROM_UNIXTIME('.$reference_date.')
+ AND author = "'.$GLOBALS['user']['username'].'"';
+ if ( mysql_num_rows( pwg_query( $query ) ) > 0 )
+ {
+ array_push( $infos, l10n('comment_anti-flood') );
+ $comment_action='reject';
+ }
+ }
+
+ // perform more spam check
+ $comment_action =
+ trigger_event('user_comment_check',
+ $comment_action,
+ array_merge($comment,
+ array('author' => $GLOBALS['user']['username'])
+ )
+ );
+
+ if ( $comment_action!='reject' )
+ {
+ $user_where_clause = '';
+ if (!is_admin())
+ {
+ $user_where_clause = ' AND author = \''.
+ $GLOBALS['user']['username'].'\'';
+ }
+ $query = '
+UPDATE '.COMMENTS_TABLE.'
+ SET content = \''.$comment['content'].'\',
+ validation_date = now()
+ WHERE id = '.$comment['comment_id'].
+$user_where_clause.'
+;';
+ $result = pwg_query($query);
+ if ($result) {
+ email_admin('edit', array('author' => $GLOBALS['user']['username'],
+ 'content' => $comment['content']));
+ }
+ }
+}
+
+function email_admin($action, $comment) {
+ global $conf;
+
+ if (!in_array($action, array('edit', 'delete'))
+ or (($action=='edit') and !$conf['email_admin_on_comment_edition'])
+ or (($action=='delete') and !$conf['email_admin_on_comment_deletion']))
+ {
+ return;
+ }
+
+ include_once(PHPWG_ROOT_PATH.'include/functions_mail.inc.php');
+
+ $keyargs_content = array();
+ $keyargs_content[] = get_l10n_args('Author: %s', $comment['author']);
+ if ($action=='delete')
+ {
+ $keyargs_content[] = get_l10n_args('This author remove comment with id %d',
+ $comment['comment_id']
+ );
+ }
+ else
+ {
+ $keyargs_content[] = get_l10n_args('This author modified following comment:', '');
+ $keyargs_content[] = get_l10n_args('Comment: %s', $comment['content']);
+ }
+
+ pwg_mail_notification_admins(get_l10n_args('Comment by %s',
+ $comment['author']),
+ $keyargs_content
+ );
+}
?> \ No newline at end of file
diff --git a/include/functions_user.inc.php b/include/functions_user.inc.php
index d7ef88992..d7aa81f24 100644
--- a/include/functions_user.inc.php
+++ b/include/functions_user.inc.php
@@ -1198,6 +1198,21 @@ function is_adviser()
}
/*
+ * Return if current user can edit/delete a comment
+ * @param action edit/delete
+ * @return bool
+ */
+function can_manage_comment($action, $comment_author)
+{
+ if (!in_array($action, array('delete','edit'))) {
+ return false;
+ }
+ return (is_admin() ||
+ (($GLOBALS['user']['username'] == $comment_author)
+ && $GLOBALS['conf'][sprintf('user_can_%s_comment', $action)]));
+}
+
+/*
* Return mail address as display text
* @return string
*/
diff --git a/include/picture_comment.inc.php b/include/picture_comment.inc.php
index 9a120e355..5dd4c6033 100644
--- a/include/picture_comment.inc.php
+++ b/include/picture_comment.inc.php
@@ -151,16 +151,35 @@ $validated_clause.'
'CONTENT' => trigger_event('render_comment_content',$row['content']),
);
- if (is_admin())
+ if (can_manage_comment('delete', $row['author']))
{
$tpl_comment['U_DELETE'] =
- add_url_params(
- $url_self,
- array(
- 'action'=>'delete_comment',
- 'comment_to_delete'=>$row['id']
- )
- );
+ add_url_params($url_self,
+ array(
+ 'action'=>'delete_comment',
+ 'comment_to_delete'=>$row['id']
+ )
+ );
+ }
+ if (can_manage_comment('edit', $row['author']))
+ {
+ $tpl_comment['U_EDIT'] =
+ add_url_params($url_self,
+ array(
+ 'action'=>'edit_comment',
+ 'comment_to_edit'=>$row['id']
+ )
+ );
+ if (isset($edit_comment) and ($row['id'] == $edit_comment))
+ {
+ $tpl_comment['IN_EDIT'] = true;
+ $key = get_comment_post_key($page['image_id']);
+ $tpl_comment['KEY'] = $key;
+ $tpl_comment['CONTENT'] = $row['content'];
+ }
+ }
+ if (is_admin())
+ {
if ($row['validated'] != 'true')
{
$tpl_comment['U_VALIDATE'] =
@@ -176,7 +195,8 @@ $validated_clause.'
}
if (!is_a_guest()
- or (is_a_guest() and $conf['comments_forall']))
+ or (is_a_guest() and $conf['comments_forall'])
+ and (isset($edit_comment) and ($edit_comment != null)))
{
$key = get_comment_post_key($page['image_id']);
$content = '';
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 05:13:12 +0000