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better cleaning of imageurl SC#54

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This commit is contained in:
skodak
2005-01-29 09:59:51 +00:00
parent 63a2da08dc
commit d8a09929ef
1 changed files with 22 additions and 38 deletions
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lib/editor/popups/preview.php
+22 -38
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@@ -1,12 +1,11 @@
<?php // $Id$ preview for insert image dialog
include("../../../config.php");
require("../../../files/mimetypes.php");
$id = required_param('id', PARAM_INT);
$imageurl = required_param('imageurl', PARAM_URL);
if (! $course = get_record("course", "id", $id) ) {
include('../../../config.php');
$id = required_param('id', PARAM_INT);
$imageurl = required_param('imageurl', PARAM_RAW);
if (! $course = get_record('course', 'id', $id) ) {
error("That's an invalid course id");
}
@@ -16,36 +15,21 @@
error("Only teachers can use this functionality");
}
$imageurl = rawurldecode($imageurl); /// Full URL starts with $CFG->wwwroot/file.php
$imagepath = str_replace("$CFG->wwwroot/file.php", '', $imageurl);
$imagepath = str_replace("?file=", '', $imagepath); // if we're using second option of file path.
$imagetag = clean_text('<img src="'.htmlSpecialChars(stripslashes_safe($imageurl)).'" alt="" />');
$size = null;
if ($imagepath != $imageurl) { /// This is an internal image
$size = getimagesize($CFG->dataroot.$imagepath);
}
$width = $size[0];
$height = $size[1];
settype($width, "integer");
settype($height, "integer");
if ($height >= 200) {
$division = ($height / 190);
$width = round($width / $division);
$height = 190;
}
echo "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n";
echo "\t\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
echo "<html>\n";
echo "<head>\n";
echo "<title>Preview</title>\n";
echo "<style type=\"text/css\">\n";
echo " body { margin: 2px; }\n";
echo "</style>\n";
echo "</head>\n";
echo "<body bgcolor=\"#ffffff\">\n";
print "<img src=\"$imageurl\" width=\"$width\" height=\"$height\" alt=\"\">";
echo "</body>\n</html>\n";
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Preview</title>
<style type="text/css">
body { margin: 2px; }
</style>
</head>
<body bgcolor="#ffffff">
<? echo $imagetag ?>
</body>
</html>