1
0
mirror of https://github.com/phpbb/phpbb.git synced 2025-02-24 20:13:22 +01:00
php-phpbb/phpBB/includes/functions_posting.php
Meik Sievertsen ba7008b387 - re-enable drafts. ;)
- put extension checking into a small function...


git-svn-id: file:///svn/phpbb/trunk@4862 89ea8834-ac86-4346-8a33-228a782c2dd0
2004-03-11 21:17:32 +00:00

586 lines
16 KiB
PHP

<?php
// -------------------------------------------------------------
//
// $Id$
//
// FILENAME : functions_posting.php
// STARTED : Sun Jul 14, 2002
// COPYRIGHT : © 2001, 2003 phpBB Group
// WWW : http://www.phpbb.com/
// LICENCE : GPL vs2.0 [ see /docs/COPYING ]
//
// -------------------------------------------------------------
// Fill smiley templates (or just the variables) with smileys, either in a window or inline
function generate_smilies($mode, $forum_id)
{
global $SID, $auth, $db, $user, $config, $template;
global $phpEx, $phpbb_root_path;
if ($mode == 'window')
{
if (!$forum_id && !$topic_id)
{
trigger_error('NO_TOPIC');
}
$sql = 'SELECT forum_style
FROM ' . FORUMS_TABLE . "
WHERE forum_id = $forum_id";
$result = $db->sql_query_limit($sql, 1);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
$user->setup('posting', (int) $row['forum_style']);
page_header($user->lang['SMILIES']);
$template->set_filenames(array(
'body' => 'posting_smilies.html')
);
}
$display_link = false;
if ($mode == 'inline')
{
$sql = 'SELECT smile_id
FROM ' . SMILIES_TABLE . '
WHERE display_on_posting = 0';
$result = $db->sql_query_limit($sql, 1, 0, 3600);
if ($row = $db->sql_fetchrow($result))
{
$display_link = true;
}
$db->sql_freeresult($result);
}
$sql = 'SELECT *
FROM ' . SMILIES_TABLE .
(($mode == 'inline') ? ' WHERE display_on_posting = 1 ' : '') . '
GROUP BY smile_url
ORDER BY smile_order';
$result = $db->sql_query($sql, 3600);
while ($row = $db->sql_fetchrow($result))
{
$template->assign_block_vars('emoticon', array(
'SMILEY_CODE' => $row['code'],
'SMILEY_IMG' => $config['smilies_path'] . '/' . $row['smile_url'],
'SMILEY_WIDTH' => $row['smile_width'],
'SMILEY_HEIGHT' => $row['smile_height'],
'SMILEY_DESC' => $row['emoticon'])
);
}
$db->sql_freeresult($result);
if ($mode == 'inline' && $display_link)
{
$template->assign_vars(array(
'S_SHOW_EMOTICON_LINK' => true,
'U_MORE_SMILIES' => $phpbb_root_path . "posting.$phpEx$SID&amp;mode=smilies&amp;f=$forum_id")
);
}
if ($mode == 'window')
{
page_footer();
}
}
// Format text to be displayed - from viewtopic.php - centralizing this would be nice ;)
function format_display(&$message, &$signature, $uid, $siguid, $html, $bbcode, $url, $smilies, $sig)
{
global $auth, $forum_id, $config, $user, $bbcode, $phpbb_root_path;
// Second parse bbcode here
$bbcode->bbcode_second_pass($message, $uid);
// If we allow users to disable display of emoticons we'll need an appropriate
// check and preg_replace here
$message = smilie_text($message, !$smilies);
// Replace naughty words such as farty pants
$message = str_replace("\n", '<br />', censor_text($message));
// Signature
if ($sig && $config['allow_sig'] && $signature && $auth->acl_get('f_sigs', $forum_id))
{
$signature = trim($signature);
$bbcode->bbcode_second_pass($signature, $siguid);
$signature = smilie_text($signature);
$signature = str_replace("\n", '<br />', censor_text($signature));
}
else
{
$signature = '';
}
return $message;
}
// Update Last Post Informations
function update_last_post_information($type, $id)
{
global $db;
$update_sql = array();
$sql = 'SELECT MAX(post_id) as last_post_id
FROM ' . POSTS_TABLE . "
WHERE post_approved = 1
AND {$type}_id = $id";
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
if ($row['last_post_id'])
{
$sql = 'SELECT p.post_id, p.poster_id, p.post_time, u.username, p.post_username
FROM ' . POSTS_TABLE . ' p, ' . USERS_TABLE . ' u
WHERE p.poster_id = u.user_id
AND p.post_id = ' . $row['last_post_id'];
$result = $db->sql_query($sql);
$row = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
$update_sql[] = $type . '_last_post_id = ' . (int) $row['post_id'];
$update_sql[] = $type . '_last_post_time = ' . (int) $row['post_time'];
$update_sql[] = $type . '_last_poster_id = ' . (int) $row['poster_id'];
$update_sql[] = "{$type}_last_poster_name = '" . (($row['poster_id'] == ANONYMOUS) ? $db->sql_escape($row['post_username']) : $db->sql_escape($row['username'])) . "'";
}
else if ($type == 'forum')
{
$update_sql[] = 'forum_last_post_id = 0';
$update_sql[] = 'forum_last_post_time = 0';
$update_sql[] = 'forum_last_poster_id = 0';
$update_sql[] = "forum_last_poster_name = ''";
}
return $update_sql;
}
// Upload Attachment - filedata is generated here
function upload_attachment($forum_id, $filename, $local = false, $local_storage = '')
{
global $auth, $user, $config, $db;
$filedata = array();
$filedata['error'] = array();
$filedata['post_attach'] = ($filename) ? true : false;
if (!$filedata['post_attach'])
{
return $filedata;
}
$r_file = $filename;
$file = (!$local) ? $_FILES['fileupload']['tmp_name'] : $local_storage;
$filedata['mimetype'] = (!$local) ? $_FILES['fileupload']['type'] : 'application/octet-stream';
// Opera adds the name to the mime type
$filedata['mimetype'] = ( strstr($filedata['mimetype'], '; name') ) ? str_replace(strstr($filedata['mimetype'], '; name'), '', $filedata['mimetype']) : $filedata['mimetype'];
$filedata['extension'] = array_pop(explode('.', strtolower($filename)));
$filedata['filesize'] = (!@filesize($file)) ? intval($_FILES['size']) : @filesize($file);
$extensions = array();
obtain_attach_extensions($extensions);
// Check Extension
if (extension_allowed($forum_id, $filedata['extension']))
{
$filedata['error'][] = sprintf($user->lang['DISALLOWED_EXTENSION'], $filedata['extension']);
$filedata['post_attach'] = false;
return $filedata;
}
$allowed_filesize = ($extensions[$filedata['extension']]['max_filesize'] != 0) ? $extensions[$filedata['extension']]['max_filesize'] : $config['max_filesize'];
$cat_id = $extensions[$filedata['extension']]['display_cat'];
// check Filename
if (preg_match("#[\\/:*?\"<>|]#i", $filename))
{
$filedata['error'][] = sprintf($user->lang['INVALID_FILENAME'], $filename);
$filedata['post_attach'] = false;
return $filedata;
}
// check php upload-size
if ($file == 'none')
{
$filedata['error'][] = (@ini_get('upload_max_filesize') == '') ? $user->lang['ATTACHMENT_PHP_SIZE_NA'] : sprintf($user->lang['ATTACHMENT_PHP_SIZE_OVERRUN'], @ini_get('upload_max_filesize'));
$filedata['post_attach'] = false;
return $filedata;
}
// Check Image Size, if it is an image
if (!$auth->acl_gets('m_', 'a_') && $cat_id == IMAGE_CAT)
{
list($width, $height) = getimagesize($file);
if ($width != 0 && $height != 0 && $config['img_max_width'] && $config['img_max_height'])
{
if ($width > $config['img_max_width'] || $height > $config['img_max_height'])
{
$filedata['error'][] = sprintf($user->lang['ERROR_IMAGESIZE'], $config['img_max_width'], $config['img_max_height']);
$filedata['post_attach'] = false;
return $filedata;
}
}
}
// check Filesize
if ($allowed_filesize && $filedata['filesize'] > $allowed_filesize && !$auth->acl_gets('m_', 'a_'))
{
$size_lang = ($allowed_filesize >= 1048576) ? $user->lang['MB'] : ( ($allowed_filesize >= 1024) ? $user->lang['KB'] : $user->lang['BYTES'] );
$allowed_filesize = ($allowed_filesize >= 1048576) ? round($allowed_filesize / 1048576 * 100) / 100 : (($allowed_filesize >= 1024) ? round($allowed_filesize / 1024 * 100) / 100 : $allowed_filesize);
$filedata['error'][] = sprintf($user->lang['ATTACHMENT_TOO_BIG'], $allowed_filesize, $size_lang);
$filedata['post_attach'] = false;
return $filedata;
}
// Check our complete quota
if ($config['attachment_quota'])
{
if ($config['upload_dir_size'] + $filedata['filesize'] > $config['attachment_quota'])
{
$filedata['error'][] = $user->lang['ATTACH_QUOTA_REACHED'];
$filedata['post_attach'] = false;
return $filedata;
}
}
// TODO - Check Free Disk Space - need testing under windows [commented out]
if ($free_space = disk_free_space($config['upload_dir']))
{
if ($free_space <= $filedata['filesize'])
{
$filedata['error'][] = $user->lang['ATTACH_QUOTA_REACHED'];
$filedata['post_attach'] = false;
return $filedata;
}
}
$filedata['thumbnail'] = 0;
// Prepare Values
$filedata['filetime'] = time();
$filedata['filename'] = stripslashes($r_file);
$filedata['destination_filename'] = strtolower($filedata['filename']);
$filedata['destination_filename'] = $user->data['user_id'] . '_' . $filedata['filetime'] . '.' . $filedata['extension'];
$filedata['filename'] = str_replace("'", "\'", $filedata['filename']);
// Do we have to create a thumbnail ?
if ($cat_id == IMAGE_CAT && $config['img_create_thumbnail'])
{
$filedata['thumbnail'] = 1;
}
// Descide the Upload method
$upload_mode = (@ini_get('open_basedir') || @ini_get('safe_mode')) ? 'move' : 'copy';
$upload_mode = ($local) ? 'local' : $upload_mode;
// Ok, upload the File
$result = move_uploaded_attachment($upload_mode, $file, $filedata);
if ($result)
{
$filedata['error'][] = $result;
$filedata['post_attach'] = false;
}
return $filedata;
}
// Move/Upload File - could be used for Avatars too ?
function move_uploaded_attachment($upload_mode, $source_filename, &$filedata)
{
global $user, $config, $phpbb_root_path;
$destination_filename = $filedata['destination_filename'];
$thumbnail = (isset($filedata['thumbnail'])) ? $filedata['thumbnail'] : false;
switch ($upload_mode)
{
case 'copy':
if ( !@copy($source_filename, $config['upload_dir'] . '/' . $destination_filename) )
{
if ( !@move_uploaded_file($source_filename, $config['upload_dir'] . '/' . $destination_filename) )
{
return sprintf($user->lang['GENERAL_UPLOAD_ERROR'], $config['upload_dir'] . '/' . $destination_filename);
}
}
@chmod($config['upload_dir'] . '/' . $destination_filename, 0666);
break;
case 'move':
if ( !@move_uploaded_file($source_filename, $config['upload_dir'] . '/' . $destination_filename) )
{
if ( !@copy($source_filename, $config['upload_dir'] . '/' . $destination_filename) )
{
return sprintf($user->lang['GENERAL_UPLOAD_ERROR'], $config['upload_dir'] . '/' . $destination_filename);
}
}
@chmod($config['upload_dir'] . '/' . $destination_filename, 0666);
break;
case 'local':
if (!@copy($source_filename, $config['upload_dir'] . '/' . $destination_filename))
{
return sprintf($user->lang['GENERAL_UPLOAD_ERROR'], $config['upload_dir'] . '/' . $destination_filename);
}
@chmod($config['upload_dir'] . '/' . $destination_filename, 0666);
@unlink($source_filename);
break;
}
if ($filedata['thumbnail'])
{
$source = $config['upload_dir'] . '/' . $destination_filename;
$destination = $config['upload_dir'] . '/thumb_' . $destination_filename;
if (!create_thumbnail($source_filename, $destination_filename, $filedata['mimetype']))
{
if (!create_thumbnail($source, $destination, $filedata['mimetype']))
{
$filedata['thumbnail'] = 0;
}
}
}
return;
}
// Calculate the needed size for Thumbnail
// I am sure i had this grabbed from some site... source: unknown
function get_img_size_format($width, $height)
{
// Change these two values to define the Thumbnail Size
$max_width = 400;
$max_height = 200;
if ($height > $max_height)
{
$new_width = ($max_height / $height) * $width;
$new_height = $max_height;
if ($new_width > $max_width)
{
$new_height = ($max_width / $new_width) * $new_height;
$new_width = $max_width;
}
}
else if ($width > $max_width)
{
$new_height = ($max_width / $width) * $height;
$new_width = $max_width;
if ($new_height > $max_height)
{
$new_width = ($max_height / $new_height) * $new_width;
$new_height = $max_height;
}
}
else
{
$new_width = $width;
$new_height = $height;
}
return array(
round($new_width),
round($new_height)
);
}
function get_supported_image_types()
{
$types = array();
if (@extension_loaded('gd'))
{
if (@function_exists('imagegif'))
{
$types[] = '1';
}
if (@function_exists('imagejpeg'))
{
$types[] = '2';
}
if (@function_exists('imagepng'))
{
$types[] = '3';
}
}
return $types;
}
// Create Thumbnail
function create_thumbnail($source, $new_file, $mimetype)
{
global $config;
$source = realpath($source);
$min_filesize = (int) $config['img_min_thumb_filesize'];
$img_filesize = (file_exists($source)) ? @filesize($source) : false;
if (!$img_filesize || $img_filesize <= $min_filesize)
{
return false;
}
$size = getimagesize($source);
if ($size[0] == 0 && $size[1] == 0)
{
return false;
}
$new_size = get_img_size_format($size[0], $size[1]);
$tmp_path = $old_file = '';
$used_imagick = false;
if ($config['img_imagick'])
{
if (is_array($size) && count($size) > 0)
{
passthru($config['img_imagick'] . 'convert' . ((defined('PHP_OS') && preg_match('#win#i', PHP_OS)) ? '.exe' : '') . ' -quality 85 -antialias -sample ' . $new_size[0] . 'x' . $new_size[1] . ' "' . str_replace('\\', '/', $source) . '" +profile "*" "' . str_replace('\\', '/', $new_file) . '"');
if (file_exists($new_file))
{
$used_imagick = true;
}
}
}
if (!$used_imagick)
{
$type = $size[2];
$supported_types = get_supported_image_types();
if (in_array($type, $supported_types))
{
switch ($type)
{
case '1' :
$image = imagecreatefromgif($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagegif($new_image, $new_file);
break;
case '2' :
$image = imagecreatefromjpeg($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagejpeg($new_image, $new_file, 90);
break;
case '3' :
$image = imagecreatefrompng($source);
$new_image = imagecreate($new_size[0], $new_size[1]);
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_size[0], $new_size[1], $size[0], $size[1]);
imagepng($new_image, $new_file);
break;
}
}
}
if (!file_exists($new_file))
{
return false;
}
@chmod($new_file, 0666);
return true;
}
// Check if extension is allowed to be posted within forum X
function extension_allowed($forum_id, $extension)
{
global $extensions;
if (!isset($extensions) || !is_array($extensions))
{
$extensions = array();
obtain_attach_extensions($extensions);
}
return (is_array($extensions['_allowed_'][$extension]) && !in_array($forum_id, $extensions['_allowed_'][$extension])) || !isset($extensions['_allowed_'][$extension]);
}
//
// TODO
//
// DECODE TEXT -> This will/should be handled by bbcode.php eventually
function decode_text(&$message, $bbcode_uid)
{
global $config;
$server_protocol = ($config['cookie_secure']) ? 'https://' : 'http://';
$server_port = ($config['server_port'] <> 80) ? ':' . trim($config['server_port']) . '/' : '/';
$search = array(
'<br />',
"[/*:m:$bbcode_uid]",
":u:$bbcode_uid",
":o:$bbcode_uid",
":$bbcode_uid"
);
$replace = array(
"\n",
'',
'',
'',
''
);
$message = ($bbcode_uid) ? str_replace($search, $replace, $message) : str_replace('<br />', "\n", $message);
$match = array(
'#<!\-\- e \-\-><a href="mailto:(.*?)">.*?</a><!\-\- e \-\->#',
'#<!\-\- m \-\-><a href="(.*?)" target="_blank">.*?</a><!\-\- m \-\->#',
'#<!\-\- w \-\-><a href="http:\/\/(.*?)" target="_blank">.*?</a><!\-\- w \-\->#',
'#<!\-\- l \-\-><a href="(.*?)" target="_blank">.*?</a><!\-\- l \-\->#',
'#<!\-\- s(.*?) \-\-><img src="\{SMILE_PATH\}\/.*? \/><!\-\- s\1 \-\->#',
'#<.*?>#s'
);
$replace = array(
'\1',
'\1',
'\1',
$server_protocol . trim($config['server_name']) . $server_port . preg_replace('#^\/?(.*?)(\/)?$#', '\1', trim($config['script_path'])) . '/\1',
'\1',
''
);
$message = preg_replace($match, $replace, $message);
// HTML
if ($config['allow_html_tags'])
{
// If $html is true then "allowed_tags" are converted back from entity
// form, others remain
$allowed_tags = split(',', $config['allow_html_tags']);
if (sizeof($allowed_tags))
{
$message = preg_replace('#\<(\/?)(' . str_replace('*', '.*?', implode('|', $allowed_tags)) . ')\>#is', '&lt;$1$2&gt;', $message);
}
}
return;
}
?>