Create some basic unit tests based in simpletest.org

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/modcss.php b/tests/modcss.php
new file mode 100644
index 000000000..f9271ff65
--- /dev/null
+++ b/tests/modcss.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * Test class to test rcmail_mod_css_styles and XSS vulnerabilites
+ *
+ * @package Tests
+ */
+class rcube_test_modcss extends UnitTestCase
+{
+
+  function __construct()
+  {
+    $this->UnitTestCase('CSS modification and vulnerability tests');
+  }
+  
+  function test_modcss()
+  {
+    $css = file_get_contents(TESTS_DIR . 'src/valid.css');
+    $mod = rcmail_mod_css_styles($css, 'rcmbody');
+
+    $this->assertPattern('/#rcmbody div.rcmBody\s+\{/', $mod, "Replace body style definition");
+    $this->assertPattern('/#rcmbody h1\s\{/', $mod, "Prefix tag styles (single)");
+    $this->assertPattern('/#rcmbody h1, #rcmbody h2, #rcmbody h3, #rcmbody textarea\s+\{/', $mod, "Prefix tag styles (multiple)");
+    $this->assertPattern('/#rcmbody \.noscript\s+\{/', $mod, "Prefix class styles");
+  }
+  
+  function test_xss()
+  {
+    $mod = rcmail_mod_css_styles("body.main2cols { background-image: url('../images/leftcol.png'); }", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No url() values allowed");
+    
+    $mod = rcmail_mod_css_styles("@import url('http://localhost/somestuff/css/master.css');", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No import statements");
+    
+    $mod = rcmail_mod_css_styles("left:expression(document.body.offsetWidth-20)", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "No expression properties");
+    
+    $mod = rcmail_mod_css_styles("left:exp/*  */ression( alert(&#039;xss3&#039;) )", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks");
+    
+    $mod = rcmail_mod_css_styles("background:\\0075\\0072\\006c( javascript:alert(&#039;xss&#039;) )", 'rcmbody');
+    $this->assertEqual("/* evil! */", $mod, "Don't allow encoding quirks (2)");
+  }
+  
+}
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