function phorum_check_upload_limits($is_install)
{
global $PHORUM;
if ($is_install) {
return array(PHORUM_SANITY_SKIP, NULL, NULL);
}
// Keep track if uploads are used.
$upload_used = false;
// Get the maximum file upload size for PHP.
list($system_max_upload, $php_max_upload, $db_max_upload) = phorum_api_system_get_max_upload();
// Check limits for file uploading in personal profile.
if ($PHORUM["file_uploads"] && $PHORUM["max_file_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits($PHORUM["max_file_size"] * 1024, "the Max File Size option for user file uploads " . "(in their profile)", $php_max_upload, $db_max_upload);
if ($res != NULL) {
return $res;
}
}
// Check limits for attachment uploading in forums.
require_once './include/api/forums.php';
$forums = phorum_api_forums_get(NULL, NULL, NULL, NULL, PHORUM_FLAG_INCLUDE_INACTIVE | PHORUM_FLAG_FORUMS);
foreach ($forums as $id => $forum) {
if ($forum["max_attachments"] > 0 && $forum["max_attachment_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits($forum["max_attachment_size"] * 1024, "the Max File Size option for uploading attachments\n in the forum \"{$forum['name']}\"", $php_max_upload, $db_max_upload);
if ($res != NULL) {
return $res;
}
}
}
// No upload functionality found so far? Then we're done.
if (!$upload_used) {
return array(PHORUM_SANITY_OK, NULL);
}
// Check if the upload temp directory can be written.
$tmpdir = get_cfg_var('upload_tmp_dir');
if (!empty($tmpdir)) {
$fp = @fopen("{$tmpdir}/sanity_checks_dummy_uploadtmpfile", "w");
if (!$fp) {
return array(PHORUM_SANITY_CRIT, "The system is unable to write files\n to PHP's upload tmpdir \"" . htmlspecialchars($tmpdir) . "\".\n The system error was:<br/><br/>" . htmlspecialchars($php_errormsg) . ".", "Change the upload_tmp_dir setting in your php.ini file\n or give your webserver more permissions for the current\n upload directory.");
}
fclose($fp);
unlink("{$tmpdir}/sanity_checks_dummy_uploadtmpfile");
}
return array(PHORUM_SANITY_OK, NULL, NULL);
}
function phorum_check_upload_limits() {
$PHORUM = $GLOBALS["PHORUM"];
// Keep track if uploads are used.
$upload_used = false;
// Get the maximum file upload size for PHP.
$php_max_upload = phorum_php_max_upload();
// Get the maximum packet size for the database.
// For determining the maximum allowed upload size,
// we have to take packet overhead into account.
$max_packetsize = phorum_db_maxpacketsize();
if ($max_packetsize == NULL) {
$db_max_upload = $php_max_upload;
} else {
$db_max_upload = phorum_db_maxpacketsize() * 0.6;
}
// Check limits for file uploading in personal profile.
if ($PHORUM["file_uploads"] && $PHORUM["max_file_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits(
$PHORUM["max_file_size"]*1024,
"the Max File Size option for user file uploads " .
"(in their profile)",
$php_max_upload, $db_max_upload
);
if ($res != NULL) return $res;
}
// Check limits for attachment uploading in forums.
$forums = phorum_db_get_forums();
foreach ($forums as $id => $forum) {
if ($forum["max_attachments"] > 0 && $forum["max_attachment_size"]) {
$upload_used = true;
$res = phorum_single_check_upload_limits(
$forum["max_attachment_size"]*1024,
"the Max File Size option for uploading attachments
in the forum \"{$forum['name']}\"",
$php_max_upload, $db_max_upload
);
}
}
// No upload functionality found so far? Then we're done.
if (! $upload_used) return array(PHORUM_SANITY_OK, NULL);
// Check if the upload temp directory can be written.
$tmpdir = get_cfg_var('upload_tmp_dir');
if (!empty($tmpdir)) {
$fp = @fopen("$tmpdir/sanity_checks_dummy_uploadtmpfile", "w");
if (! $fp) return array(
PHORUM_SANITY_CRIT,
"The system is unable to write files
to PHP's upload tmpdir \"".htmlspecialchars($tmpdir)."\".
The system error was:<br/><br/>".
htmlspecialchars($php_errormsg).".",
"Change the upload_tmp_dir setting in your php.ini file
or give your webserver more permissions for the current
upload directory."
);
}
fclose($fp);
unlink("$tmpdir/sanity_checks_dummy_uploadtmpfile");
return array(PHORUM_SANITY_OK, NULL);
}
