Subversion Repositories Applications.papyrus

<?php

////////////////////////////////////////////////////////////////////////////////

//                                                                            //

//   Copyright (C) 2006  Phorum Development Team                              //

//   http://www.phorum.org                                                    //

//                                                                            //

//   This program is free software. You can redistribute it and/or modify     //

//   it under the terms of either the current Phorum License (viewable at     //

//   phorum.org) or the Phorum License that was distributed with this file    //

//                                                                            //

//   This program is distributed in the hope that it will be useful,          //

//   but WITHOUT ANY WARRANTY, without even the implied warranty of           //

//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     //

//                                                                            //

//   You should have received a copy of the Phorum License                    //

//   along with this program.                                                 //

////////////////////////////////////////////////////////////////////////////////

if(!defined("PHORUM")) return;

if ($do_detach)

{

    // Find the message to detach.

    foreach ($message["attachments"] as $id => $info)

    {

        if ($info["file_id"] == $do_detach && $info["keep"])

        {

            // Attachments which are not yet linked to a message

            // can be deleted immediately. Linked attachments should

            // be kept in the db, in case the users clicks "Cancel".

            if (! $info["linked"]) {

                phorum_db_file_delete($info["file_id"]);

                unset($message["attachments"][$id]);

            } else {

                $message["attachments"][$id]["keep"] = false;

            }

            // Run the after_detach hook.

            list($message,$info) =

                phorum_hook("after_detach", array($message,$info));

            $attach_count--;

            break;

        }

    }

}

// Attachment(s) uploaded.

elseif ($do_attach && ! empty($_FILES))

{

    // The editor template that I use only supports one upload

    // at a time. This code supports multiple uploads.

    $attached = 0;

    foreach ($_FILES as $file)

    {

        // Not too many attachments?

        if ($attach_count >= $PHORUM["max_attachments"]) break;

        // Check if the tempfile is an uploaded file?

        if(! is_uploaded_file($file["tmp_name"])) continue;

        // Some problems in uploading result in files which are

        // zero in size. We asume that people who upload zero byte

        // files will almost always have problems uploading.

        if ($file["size"] == 0) continue;

        // check with PHP and MySQL on attachment size

        $php_limit = ini_get('upload_max_filesize')*1024;

        $max_packetsize = phorum_db_maxpacketsize();

        if ($max_packetsize == NULL) {

            $db_limit = $php_limit;

        } else {

            $db_limit = $max_packetsize/1024*.6;

        }

        if($PHORUM["max_attachment_size"]==0){

            $PHORUM["max_attachment_size"] = min($php_limit, $db_limit);

        } else {

            $PHORUM["max_attachment_size"] = min($PHORUM["max_attachment_size"], $php_limit, $db_limit);

        }

        // Isn't the attachment too large?

        if ($PHORUM["max_attachment_size"] > 0 &&

            $file["size"] > $PHORUM["max_attachment_size"]*1024) {

            $PHORUM["DATA"]["ERROR"] = str_replace(

                '%size%',

                phorum_filesize($PHORUM["max_attachment_size"] * 1024),

                $PHORUM["DATA"]["LANG"]["AttachFileSize"]

            );

            phorum_filesize($PHORUM["max_attachment_size"] * 1024);

            $error_flag = true;

            break;

        }

        // Isn't the total attachment size too large?

        if ($PHORUM["max_totalattachment_size"] > 0 &&

            ($file["size"] + $attach_totalsize) > $PHORUM["max_totalattachment_size"]*1024) {

            $PHORUM["DATA"]["ERROR"] = str_replace(

                '%size%',

                phorum_filesize($PHORUM["max_totalattachment_size"] * 1024),

                $PHORUM["DATA"]["LANG"]["AttachTotalFileSize"]

            );

            $error_flag = true;

            break;

        }

        // Is the type of file acceptable?

        if(! empty($PHORUM["allow_attachment_types"]))

        {

            $ext=substr($file["name"], strrpos($file["name"], ".")+1);

            $allowed_exts=explode(";", $PHORUM["allow_attachment_types"]);

            if (! in_array(strtolower($ext), $allowed_exts)) {

                $PHORUM["DATA"]["ERROR"] =

                    $PHORUM["DATA"]["LANG"]["AttachInvalidType"] . " ".

                    str_replace('%types%', str_replace(";", ", ", $PHORUM["allow_attachment_types"]), $PHORUM["DATA"]["LANG"]["AttachFileTypes"]);

                $error_flag = true;

                break;

            }

        }

        // Read in the file.

        $fp = fopen($file["tmp_name"], "r");

        if (! $fp) continue;

        $file["data"] = base64_encode(fread($fp, $file["size"]));

        fclose($fp);

        // copy the current user_id to the $file array for the hook

        $file["user_id"]=$PHORUM["user"]["user_id"];

        // Run the before_attach hook.

        list($message, $file) =

            phorum_hook("before_attach", array($message, $file));

        // Add the file to the database. We add it using message_id

        // 0 (zero). Only when the message gets saved definitely,

        // the message_id will be updated to link the file to the

        // forum message. This is mainly done so we can support

        // attachments for new messages, which do not yet have

        // a message_id assigned.

        $file_id = phorum_db_file_save(

            $PHORUM["user"]["user_id"],

            $file["name"], $file["size"],

            $file["data"], 0, PHORUM_LINK_EDITOR

        );

        // Create new attachment information.

        $new_attachment = array(

            "file_id" => $file_id,

            "name"    => $file["name"],

            "size"    => $file["size"],

            "keep"    => true,

            "linked"  => false,

        );

        // Run the after_attach hook.

        list($message, $new_attachment) =

            phorum_hook("after_attach", array($message, $new_attachment));

        // Add the attachment to the message.

        $message['attachments'][] = $new_attachment;

        $attach_totalsize += $new_attachment["size"];

        $attach_count++;

        $attached++;

    }

    // Show a generic error message if nothing was attached and

    // no specific message was set.

    if (! $error_flag && ! $attached) {

        $PHORUM["DATA"]["ERROR"] =

            $PHORUM["DATA"]["LANG"]["AttachmentsMissing"];

        $error_flag = true;

    }

    // Show a success message in case an attachment is added.

    if (! $error_flag && $attached) {

        $PHORUM["DATA"]["OKMSG"] = $PHORUM["DATA"]["LANG"]["AttachmentAdded"];

    }

}

?>