From 7070268ecfcdbaeecb2336bae1734f5217b74510 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Fri, 29 Aug 2008 06:03:52 +0000
Subject: [PATCH] This makes draft files appear inHTML editor etc

It's almost an exact copy of userfile.php
---
 draftfile.php | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/draftfile.php b/draftfile.php
index 41d10f4d8639c..1c4210bf16f0e 100644
--- a/draftfile.php
+++ b/draftfile.php
@@ -1 +1,70 @@
-<?php  //$Id$
+<?php  // $Id$
+
+    require_once('config.php');
+    require_once('lib/filelib.php');
+
+    require_login();
+    if (isguestuser()) {
+        print_error('noguest');
+    }
+
+    // disable moodle specific debug messages
+    disable_debugging();
+
+    $relativepath = get_file_argument('file.php');
+    $forcedownload = optional_param('forcedownload', 0, PARAM_BOOL);
+
+    // relative path must start with '/'
+    if (!$relativepath) {
+        print_error('invalidargorconf');
+    } else if ($relativepath{0} != '/') {
+        print_error('pathdoesnotstartslash');
+    }
+
+    // extract relative path components
+    $args = explode('/', ltrim($relativepath, '/'));
+
+    if (count($args) == 0) { // always at least user id
+        print_error('invalidarguments');
+    }
+
+    $contextid = (int)array_shift($args);
+    $filearea = array_shift($args);
+
+    $context = get_context_instance_by_id($contextid);
+    if ($context->contextlevel != CONTEXT_USER) {
+        print_error('invalidarguments');
+    }
+
+    $userid = $context->instanceid;
+    if ($USER->id != $userid) {
+        print_error('invaliduserid');
+    }
+
+    switch ($filearea) {
+        case 'user_draft'  : $itemid = (int)array_shift($args); break;
+        default:        not_found();
+    }
+
+    $relativepath = '/'.implode('/', $args);
+
+
+    $fs = get_file_storage();
+
+    $fullpath = $context->id.$filearea.$itemid.$relativepath;
+
+    if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->get_filename() == '.') {
+        not_found();
+    }
+
+    // ========================================
+    // finally send the file
+    // ========================================
+    session_write_close(); // unlock session during fileserving
+    send_stored_file($file, 0, false, $forcedownload);
+
+    function not_found() {
+        global $CFG;
+        header('HTTP/1.0 404 not found');
+        print_error('filenotfound', 'error', $CFG->wwwroot.'/'); //this is not displayed on IIS??
+    }