some important stuff we'll need

1 files changed, 188 insertions, 0 deletions

diff --git a/lib/htmlpurifier/tests/HTMLPurifier/URISchemeTest.php b/lib/htmlpurifier/tests/HTMLPurifier/URISchemeTest.php
new file mode 100644
index 000000000..4b43310bb
--- /dev/null
+++ b/lib/htmlpurifier/tests/HTMLPurifier/URISchemeTest.php
@@ -0,0 +1,188 @@
+<?php
+
+// WARNING: All the URI schemes are far to relaxed, we need to tighten
+// the checks.
+
+class HTMLPurifier_URISchemeTest extends HTMLPurifier_URIHarness
+{
+
+    private $pngBase64;
+
+    public function __construct() {
+        $this->pngBase64 =
+            'iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAYAAACNMs+9AAAABGdBTUEAALGP'.
+            'C/xhBQAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9YGARc5KB0XV+IA'.
+            'AAAddEVYdENvbW1lbnQAQ3JlYXRlZCB3aXRoIFRoZSBHSU1Q72QlbgAAAF1J'.
+            'REFUGNO9zL0NglAAxPEfdLTs4BZM4DIO4C7OwQg2JoQ9LE1exdlYvBBeZ7jq'.
+            'ch9//q1uH4TLzw4d6+ErXMMcXuHWxId3KOETnnXXV6MJpcq2MLaI97CER3N0'.
+            'vr4MkhoXe0rZigAAAABJRU5ErkJggg==';
+    }
+
+    protected function assertValidation($uri, $expect_uri = true) {
+        $this->prepareURI($uri, $expect_uri);
+        $this->config->set('URI.AllowedSchemes', array($uri->scheme));
+        // convenience hack: the scheme should be explicitly specified
+        $scheme = $uri->getSchemeObj($this->config, $this->context);
+        $result = $scheme->validate($uri, $this->config, $this->context);
+        $this->assertEitherFailOrIdentical($result, $uri, $expect_uri);
+    }
+
+    function test_http_regular() {
+        $this->assertValidation(
+            'http://example.com/?s=q#fragment'
+        );
+    }
+
+    function test_http_removeDefaultPort() {
+        $this->assertValidation(
+            'http://example.com:80',
+            'http://example.com'
+        );
+    }
+
+    function test_http_removeUserInfo() {
+        $this->assertValidation(
+            'http://bob@example.com',
+            'http://example.com'
+        );
+    }
+
+    function test_http_preserveNonDefaultPort() {
+        $this->assertValidation(
+            'http://example.com:8080'
+        );
+    }
+
+    function test_https_regular() {
+        $this->assertValidation(
+            'https://user@example.com:443/?s=q#frag',
+            'https://example.com/?s=q#frag'
+        );
+    }
+
+    function test_ftp_regular() {
+        $this->assertValidation(
+            'ftp://user@example.com/path'
+        );
+    }
+
+    function test_ftp_removeDefaultPort() {
+        $this->assertValidation(
+            'ftp://example.com:21',
+            'ftp://example.com'
+        );
+    }
+
+    function test_ftp_removeQueryString() {
+        $this->assertValidation(
+            'ftp://example.com?s=q',
+            'ftp://example.com'
+        );
+    }
+
+    function test_ftp_preserveValidTypecode() {
+        $this->assertValidation(
+            'ftp://example.com/file.txt;type=a'
+        );
+    }
+
+    function test_ftp_removeInvalidTypecode() {
+        $this->assertValidation(
+            'ftp://example.com/file.txt;type=z',
+            'ftp://example.com/file.txt'
+        );
+    }
+
+    function test_ftp_encodeExtraSemicolons() {
+        $this->assertValidation(
+            'ftp://example.com/too;many;semicolons=1',
+            'ftp://example.com/too%3Bmany%3Bsemicolons=1'
+        );
+    }
+
+    function test_news_regular() {
+        $this->assertValidation(
+            'news:gmane.science.linguistics'
+        );
+    }
+
+    function test_news_explicit() {
+        $this->assertValidation(
+            'news:642@eagle.ATT.COM'
+        );
+    }
+
+    function test_news_removeNonPathComponents() {
+        $this->assertValidation(
+            'news://user@example.com:80/rec.music?path=foo#frag',
+            'news:/rec.music#frag'
+        );
+    }
+
+    function test_nntp_regular() {
+        $this->assertValidation(
+            'nntp://news.example.com/alt.misc/42#frag'
+        );
+    }
+
+    function test_nntp_removalOfRedundantOrUselessComponents() {
+        $this->assertValidation(
+            'nntp://user@news.example.com:119/alt.misc/42?s=q#frag',
+            'nntp://news.example.com/alt.misc/42#frag'
+        );
+    }
+
+    function test_mailto_regular() {
+        $this->assertValidation(
+            'mailto:bob@example.com'
+        );
+    }
+
+    function test_mailto_removalOfRedundantOrUselessComponents() {
+        $this->assertValidation(
+            'mailto://user@example.com:80/bob@example.com?subject=Foo#frag',
+            'mailto:/bob@example.com?subject=Foo#frag'
+        );
+    }
+
+    function test_data_png() {
+        $this->assertValidation(
+            'data:image/png;base64,'.$this->pngBase64
+        );
+    }
+
+    function test_data_malformed() {
+        $this->assertValidation(
+            'data:image/png;base64,vr4MkhoXJRU5ErkJggg==',
+            false
+        );
+    }
+
+    function test_data_implicit() {
+        $this->assertValidation(
+            'data:base64,'.$this->pngBase64,
+            'data:image/png;base64,'.$this->pngBase64
+        );
+    }
+
+    function test_file_basic() {
+        $this->assertValidation(
+            'file://user@MYCOMPUTER:12/foo/bar?baz#frag',
+            'file://MYCOMPUTER/foo/bar#frag'
+        );
+    }
+
+    function test_file_local() {
+        $this->assertValidation(
+            'file:///foo/bar?baz#frag',
+            'file:///foo/bar#frag'
+        );
+    }
+
+    function test_ftp_empty_host() {
+        $this->assertValidation('ftp:///example.com', false);
+    }
+
+}
+
+// vim: et sw=4 sts=4