first commit

datafile/download.php

@@ -0,0 +1,55 @@
+<?php
+
+    require_once('../../../config.php');
+    require_once('../lib.php');
+
+    $id = required_param('id', PARAM_INT);     // programming ID
+    $datafile_id = required_param('datafile', PARAM_INT);
+    $checkdata = optional_param('checkdata', 0, PARAM_INT);
+    $params = array('id' => $id, 'datafile' => $datafile_id);
+    if ($checkdata) {
+        $params['checkdata'] = $checkdata;
+    }
+    $PAGE->set_url('/mod/programming/datafile/download.php', $params);
+
+    if ($id) {
+        if (! $cm = get_coursemodule_from_id('programming', $id)) {
+            error('Course Module ID was incorrect');
+        }
+    
+        if (! $course = $DB->get_record('course', array('id' => $cm->course))) {
+            error('Course is misconfigured');
+        }
+    
+        if (! $programming = $DB->get_record('programming', array('id' => $cm->instance))) {
+            error('Course module is incorrect');
+        }
+    }
+
+    require_login($course->id, true, $cm);
+    $context = context_module::instance($cm->id);
+
+    if ($checkdata) {
+        require_capability('mod/programming:viewhiddentestcase', $context);
+    } else {
+        require_capability('mod/programming:viewpubtestcase', $context);
+    }
+
+
+    $file = $DB->get_record('programming_datafile', array('id' => $datafile_id, 'programmingid' => $programming->id));
+    if ($file) {
+        $content = bzdecompress($checkdata ? $file->checkdata : $file->data);
+        $size = $checkdata ? $file->checkdatasize : $file->datasize;
+        if ($file->isbinary) {
+            header('Content-Type: application/octec-stream');
+        } else{
+            header('Content-Type: plain/text');
+        }
+        header("Content-Disposition: attachment; filename=$file->filename");
+        header("Content-Length: $size");
+        print $content;
+    } else {
+        header('HTTP/1.0 404 Not Found');
+        echo 'Not Found';
+    }
+?>