Initial commit.

lib/php/monica/upload.inc.php

@@ -0,0 +1,150 @@
+<?php
+// File name:	upload.inc.php
+// Description:	PHP subroutines to handle file uploads
+// Date:	2004-07-06
+// Author:	imacat <imacat@pristine.com.tw>
+// Copyright:	Copyright (C) 2004-2007 Pristine Communications
+
+// Set the include path
+if (!defined("INCPATH_SET")) {
+    require_once dirname(__FILE__) . "/incpath.inc.php";
+}
+// Referenced subroutines
+require_once "monica/chkfunc.inc.php";
+require_once "monica/gettext.inc.php";
+require_once "monica/htmlchar.inc.php";
+require_once "monica/newsn.inc.php";
+require_once "monica/mimetype.inc.php";
+require_once "monica/requri.inc.php";
+
+// Settings
+if (!defined("UPLOAD_DEPOSIT_MAX")) {
+    define("UPLOAD_DEPOSIT_MAX", 20971520);
+}
+$FILE_TYPESUF_MAP = array(
+    "application/vnd.oasis.opendocument.text"           => "odt",
+    "application/vnd.oasis.opendocument.spreadsheet"    => "ods",
+    "application/vnd.oasis.opendocument.presentation"   => "odp",
+    "application/vnd.sun.xml.writer"                    => "sxw",
+    "application/vnd.sun.xml.calc"                      => "sxc",
+    "application/vnd.sun.xml.impress"                   => "sxi",
+    "application/msword"                                => "doc",
+    "application/vnd.ms-excel"                          => "xls",
+    "application/vnd.ms-powerpoint"                     => "ppt",
+    "image/png"                                         => "png",
+    "image/jpeg"                                        => "jpg",
+    "image/gif"                                         => "gif",
+    "application/pdf"                                   => "pdf",
+    "application/x-zip"                                 => "zip");
+
+// suspend_file: Suspend a file to $_SESSION
+function suspend_file($file)
+{
+    $FILES =& file_deposit();
+    // Generate a new random file ID
+    $fileid = new_sn_assoc($FILES);
+    $file["sn"] = $fileid;
+    // Save the current file
+    $FILES[$fileid] =& $file;
+    // Return the file ID
+    return $fileid;
+}
+
+// savefile_exists: Check if a file exists
+function savefile_exists($sn)
+{
+    // Check the validity of the serial number first
+    if (!check_sn($sn)) {
+        return false;
+    }
+    if (!array_key_exists($sn, file_deposit())) {
+        return false;
+    }
+    return true;
+}
+
+// echo_file: Output a file element
+function echo_file($file)
+{
+    $lines = array();
+    $lines[] = sprintf(h(C_("MIME file type: %s")), h($file["type"]));
+    $lines[] = sprintf(h(C_("File name: %s")), h($file["name"]));
+    $lines[] = sprintf(h(C_("File size: %s bytes")), h($file["size"]));
+    echo implode("<br />\n        ", $lines);
+    return;
+}
+
+// file_deposit: Return the file deposit
+function &file_deposit()
+{
+    // Session in use
+    if (isset($_SESSION)) {
+        if (!array_key_exists("savefile", $_SESSION)) {
+            $_SESSION["savefile"] = array();
+        }
+        return $_SESSION["savefile"];
+    
+    // Session not in use
+    } else {
+        static $FILES = array();
+        return $FILES;
+    }
+}
+
+// clear_file_deposit: Clear the file deposit
+function clear_file_deposit()
+{
+    $FILES =& file_deposit();
+    $FILES = array();
+    return;
+}
+
+// filecache: Return an appropriate fule cache
+function &filecache($table)
+{
+    $FILES =& file_deposit();
+    // Package specified
+    $package = defined("PACKAGE")? PACKAGE: REQUEST_HOST;
+    if (!array_key_exists("_cache", $FILES)) {
+        $FILES["_cache"] = array();
+    }
+    if (!array_key_exists($package, $FILES["_cache"])) {
+        $FILES["_cache"][$package] = array();
+    }
+    if (!array_key_exists($table, $FILES["_cache"][$package])) {
+        $FILES["_cache"][$package][$table] = array();
+    }
+    return $FILES["_cache"][$package][$table];
+}
+
+// readfile_content: Read a file from its content into the file deposit
+//   and return the fileid
+function readfile_content($data, $filename, $sugtype, $sn, $table)
+{
+    $FILES =& file_deposit();
+    $filecache =& filecache($table);
+    
+    // Cached
+    if (    array_key_exists($sn, $filecache)
+            && $data == $FILES[$filecache[$sn]]["content"]) {
+        $fileid = $filecache[$sn];
+    
+    } else {
+        // Create the file
+        $file = array();
+        $file["content"] = $data;
+        $file["type"] = check_mime_type_content($data, $filename, $sugtype);
+        $file["size"] = strlen($data);
+        if (!is_null($filename)) {
+            $file["name"] = $filename;
+        }
+        
+        // Suspend the created picture
+        $fileid = suspend_file($file);
+        $filecache[$sn] = $fileid;
+    }
+    
+    return $fileid;
+}
+
+?>