Christophe Coevoet
b6e5ae4b45
Closes https://github.com/dart-lang/sdk/pull/62073 GitOrigin-RevId: 3a50ef21cf15e7b0e0a2ef87c389da619bfecdc8 Change-Id: I75399055709a3b8260e67214b2017b76795e741e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/464040 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Lasse Nielsen <lrn@google.com>
1082 lines
34 KiB
Dart
1082 lines
34 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library uriTest;
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import "package:expect/expect.dart";
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import 'dart:convert';
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void testUri(String uriText, bool isAbsolute) {
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var uri = Uri.parse(uriText);
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Expect.equals(isAbsolute, uri.isAbsolute);
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Expect.stringEquals(uriText, uri.toString());
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// Test equals and hashCode members.
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var uri2 = Uri.parse(uriText);
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Expect.equals(uri, uri2);
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Expect.equals(uri.hashCode, uri2.hashCode);
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// Test that removeFragment doesn't change anything else.
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if (uri.hasFragment) {
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Expect.equals(
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Uri.parse(uriText.substring(0, uriText.indexOf('#'))),
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uri.removeFragment(),
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);
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} else {
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Expect.equals(uri, Uri.parse(uriText + "#fragment").removeFragment());
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}
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}
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void testEncodeDecode(String orig, String encoded) {
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var e = Uri.encodeFull(orig);
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Expect.stringEquals(encoded, e);
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var d = Uri.decodeFull(encoded);
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Expect.stringEquals(orig, d);
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}
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void testEncodeDecodeComponent(String orig, String encoded) {
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var e = Uri.encodeComponent(orig);
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Expect.stringEquals(encoded, e);
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var d = Uri.decodeComponent(encoded);
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Expect.stringEquals(orig, d);
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}
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void testEncodeDecodeQueryComponent(
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String orig,
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String encodedUTF8,
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String encodedLatin1,
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String? encodedAscii,
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) {
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var e, d;
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e = Uri.encodeQueryComponent(orig);
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Expect.stringEquals(encodedUTF8, e);
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d = Uri.decodeQueryComponent(encodedUTF8);
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Expect.stringEquals(orig, d);
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e = Uri.encodeQueryComponent(orig, encoding: utf8);
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Expect.stringEquals(encodedUTF8, e);
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d = Uri.decodeQueryComponent(encodedUTF8, encoding: utf8);
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Expect.stringEquals(orig, d);
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e = Uri.encodeQueryComponent(orig, encoding: latin1);
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Expect.stringEquals(encodedLatin1, e);
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d = Uri.decodeQueryComponent(encodedLatin1, encoding: latin1);
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Expect.stringEquals(orig, d);
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if (encodedAscii != null) {
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e = Uri.encodeQueryComponent(orig, encoding: ascii);
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Expect.stringEquals(encodedAscii, e);
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d = Uri.decodeQueryComponent(encodedAscii, encoding: ascii);
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Expect.stringEquals(orig, d);
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} else {
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Expect.throwsArgumentError(
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() => Uri.encodeQueryComponent(orig, encoding: ascii),
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);
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}
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}
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void testUriPerRFCs() {
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final urisSample = "http://a/b/c/d;p?q";
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Uri base = Uri.parse(urisSample);
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testResolve(expect, relative) {
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Expect.stringEquals(expect, base.resolve(relative).toString());
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}
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// From RFC 3986.
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testResolve("g:h", "g:h");
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testResolve("http://a/b/c/g", "g");
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testResolve("http://a/b/c/g", "./g");
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testResolve("http://a/b/c/g/", "g/");
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testResolve("http://a/g", "/g");
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testResolve("http://g", "//g");
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testResolve("http://a/b/c/d;p?y", "?y");
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testResolve("http://a/b/c/g?y", "g?y");
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testResolve("http://a/b/c/d;p?q#s", "#s");
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testResolve("http://a/b/c/g#s", "g#s");
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testResolve("http://a/b/c/g?y#s", "g?y#s");
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testResolve("http://a/b/c/;x", ";x");
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testResolve("http://a/b/c/g;x", "g;x");
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testResolve("http://a/b/c/g;x?y#s", "g;x?y#s");
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testResolve("http://a/b/c/d;p?q", "");
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testResolve("http://a/b/c/", ".");
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testResolve("http://a/b/c/", "./");
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testResolve("http://a/b/", "..");
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testResolve("http://a/b/", "../");
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testResolve("http://a/b/g", "../g");
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testResolve("http://a/", "../..");
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testResolve("http://a/", "../../");
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testResolve("http://a/g", "../../g");
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testResolve("http://a/g", "../../../g");
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testResolve("http://a/g", "../../../../g");
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testResolve("http://a/g", "/./g");
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testResolve("http://a/g", "/../g");
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testResolve("http://a/b/c/g.", "g.");
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testResolve("http://a/b/c/.g", ".g");
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testResolve("http://a/b/c/g..", "g..");
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testResolve("http://a/b/c/..g", "..g");
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testResolve("http://a/b/g", "./../g");
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testResolve("http://a/b/c/g/", "./g/.");
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testResolve("http://a/b/c/g/h", "g/./h");
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testResolve("http://a/b/c/h", "g/../h");
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testResolve("http://a/b/c/g;x=1/y", "g;x=1/./y");
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testResolve("http://a/b/c/y", "g;x=1/../y");
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testResolve("http://a/b/c/g?y/./x", "g?y/./x");
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testResolve("http://a/b/c/g?y/../x", "g?y/../x");
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testResolve("http://a/b/c/g#s/./x", "g#s/./x");
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testResolve("http://a/b/c/g#s/../x", "g#s/../x");
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testResolve("http:g", "http:g");
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// Additional tests (not from RFC 3986).
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testResolve("http://a/b/g;p/h;s", "../g;p/h;s");
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base = Uri.parse("http://a?q");
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testResolve("http://a?p", "?p");
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testResolve("http://a/b/c", "b/c");
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base = Uri.parse("foo:/a/b?q");
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testResolve("foo:/a/b?p", "?p");
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testResolve("foo:/c", "../c");
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testResolve("foo:/a/c", "c");
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testResolve("foo:/c", "../../c");
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testResolve("foo:/c", "/c");
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// Test non-URI base (no scheme, no authority, relative path).
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base = Uri.parse("a/b/c?_#_");
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testResolve("a/b/g?q#f", "g?q#f");
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testResolve("../", "../../..");
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testResolve("./", "../..");
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testResolve("a/b/", ".");
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testResolve("c", "../../c");
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testResolve("//foo/a", "//foo/a");
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testResolve("a/b/c?_#f", "#f");
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testResolve("a/b/c?q", "?q");
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testResolve("a/b/c?q#c", "?q#c");
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testResolve("a/b/c?_", "");
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testResolve("/a", "/a");
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testResolve("/b", "/a/../../b");
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base = Uri.parse("/a/b?_#_");
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testResolve("/a/c", "c");
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testResolve("/c", "../../c");
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base = Uri.parse("//foo/a");
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testResolve("//foo/b", "b");
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testResolve("//foo/", "..");
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testResolve("//foo/c", "../c");
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testResolve("s:/a/b", "s:/a/b");
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testResolve("//bar/b", "//bar/b");
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base = Uri.parse("?_#_");
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testResolve("?q", "?q");
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testResolve("?_#f", "#f");
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testResolve("a/b", "a/b");
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base = Uri.parse("s:a/b");
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testResolve("s:/c", "../c");
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}
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void testResolvePath(String expected, String path) {
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Expect.equals(
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expected,
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new Uri(path: '/').resolveUri(new Uri(path: path)).path,
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);
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Expect.equals(
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"http://localhost$expected",
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Uri.parse("http://localhost").resolveUri(new Uri(path: path)).toString(),
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);
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}
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const ALPHA = r"abcdefghijklmnopqrstuvwxuzABCDEFGHIJKLMNOPQRSTUVWXUZ";
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const DIGIT = r"0123456789";
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const PERCENT_ENCODED = "%00%ff";
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const SUBDELIM = r"!$&'()*+,;=";
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const SCHEMECHAR = "$ALPHA$DIGIT+-.";
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const UNRESERVED = "$ALPHA$DIGIT-._~";
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const REGNAMECHAR = "$UNRESERVED$SUBDELIM$PERCENT_ENCODED";
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const USERINFOCHAR = "$REGNAMECHAR:";
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const PCHAR_NC = "$UNRESERVED$SUBDELIM$PERCENT_ENCODED@";
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const PCHAR = "$PCHAR_NC:";
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const QUERYCHAR = "$PCHAR/?";
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void testValidCharacters() {
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// test that all valid characters are accepted.
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for (var scheme in ["", "$SCHEMECHAR$SCHEMECHAR:"]) {
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for (var userinfo in [
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"",
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"@",
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"$USERINFOCHAR$USERINFOCHAR@",
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"$USERINFOCHAR:$DIGIT@",
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]) {
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for (var host in [
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"", "$REGNAMECHAR$REGNAMECHAR",
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"255.255.255.256", // valid reg-name.
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"[ffff::ffff:ffff]", "[ffff::255.255.255.255]",
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]) {
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for (var port in ["", ":", ":$DIGIT$DIGIT"]) {
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var auth = "$userinfo$host$port";
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if (auth.isNotEmpty) auth = "//$auth";
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var paths = ["", "/", "/$PCHAR", "/$PCHAR/"]; // Absolute or empty.
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if (auth.isNotEmpty) {
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// Initial segment may be empty.
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paths..add("//$PCHAR");
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} else {
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// Path may begin with non-slash.
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if (scheme.isEmpty) {
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// Initial segment must not contain colon.
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paths
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..add(PCHAR_NC)
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..add("$PCHAR_NC/$PCHAR")
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..add("$PCHAR_NC/$PCHAR/");
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} else {
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paths
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..add(PCHAR)
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..add("$PCHAR/$PCHAR")
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..add("$PCHAR/$PCHAR/");
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}
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}
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for (var path in paths) {
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for (var query in ["", "?", "?$QUERYCHAR"]) {
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for (var fragment in ["", "#", "#$QUERYCHAR"]) {
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var uri = "$scheme$auth$path$query$fragment";
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// Should not throw.
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var result = Uri.parse(uri);
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}
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}
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}
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}
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}
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}
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}
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}
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void testInvalidUrls() {
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void checkInvalid(uri) {
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try {
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var result = Uri.parse(uri);
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Expect.fail("Invalid URI `$uri` parsed to $result\n" + dump(result));
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} on FormatException {
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// Success.
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}
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}
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checkInvalid("s%41://x.x/"); // No escapes in scheme,
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// and no colon before slash in path.
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checkInvalid("1a://x.x/"); // Scheme must start with letter,
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// and no colon before slash in path.
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checkInvalid(".a://x.x/"); // Scheme must start with letter,
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// and no colon before slash in path.
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checkInvalid("_:"); // Character not valid in scheme,
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// and no colon before slash in path.
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checkInvalid(":"); // Scheme must start with letter,
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// and no colon before slash in path.
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void checkInvalidReplaced(uri, invalid, replacement) {
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var source = uri.replaceAll('{}', invalid);
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var expected = uri.replaceAll('{}', replacement);
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var result = Uri.parse(source);
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Expect.equals(expected, "$result", "Source: $source\n${dump(result)}");
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}
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// Regression test for http://dartbug.com/16081
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checkInvalidReplaced(
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"http://www.example.org/red%09ros{}#red)",
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"\u00e9",
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"%C3%A9",
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);
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checkInvalidReplaced("http://r{}sum\{}.example.org", "\u00E9", "%C3%A9");
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// Invalid characters. The characters must be rejected, even if normalizing
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// the input would cause them to be valid (normalization happens after
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// validation).
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var invalidCharsAndReplacements = [
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"\xe7", "%C3%A7", // Arbitrary non-ASCII letter
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" ", "%20", // Space, not allowed anywhere.
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'"', "%22", // Quote, not allowed anywhere
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"<>", "%3C%3E", // Less/greater-than, not allowed anywhere.
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"\x7f", "%7F", // DEL, not allowed anywhere
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"\xdf", "%C3%9F", // German lower-case scharf-S.
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// Becomes ASCII when upper-cased.
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"\u0130", "%C4%B0", // Latin capital dotted I,
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// becomes ASCII lower-case in Turkish.
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"%\uFB03", "%25%EF%AC%83", // % + Ligature ffi,
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// becomes ASCII when upper-cased,
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// should not be read as "%FFI".
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"\u212a", "%E2%84%AA", // Kelvin sign. Becomes ASCII when lower-cased.
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"%1g", "%251g", // Invalid escape.
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"\u{10000}", "%F0%90%80%80", // Non-BMP character as surrogate pair.
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];
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for (int i = 0; i < invalidCharsAndReplacements.length; i += 2) {
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var invalid = invalidCharsAndReplacements[i];
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var valid = invalidCharsAndReplacements[i + 1];
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checkInvalid("A{}b:///".replaceAll('{}', invalid));
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checkInvalid("{}b:///".replaceAll('{}', invalid));
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checkInvalidReplaced("s://user{}info@x.x/", invalid, valid);
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checkInvalidReplaced("s://reg{}name/", invalid, valid);
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checkInvalid("s://regname:12{}45/".replaceAll("{}", invalid));
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checkInvalidReplaced("s://regname/p{}ath/", invalid, valid);
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checkInvalidReplaced("/p{}ath/", invalid, valid);
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checkInvalidReplaced("p{}ath/", invalid, valid);
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checkInvalidReplaced("s://regname/path/?x{}x", invalid, valid);
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checkInvalidReplaced("s://regname/path/#x{}x", invalid, valid);
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checkInvalidReplaced("s://regname/path/??#x{}x", invalid, valid);
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}
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// At most one @ in userinfo.
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checkInvalid("s://x@x@x.x/");
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// No colon in host except before a port.
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checkInvalid("s://x@x:x/");
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// At most one port.
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checkInvalid("s://x@x:9:9/");
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// @ not allowed in scheme.
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checkInvalid("s@://x:9/x?x#x");
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// ] not allowed alone in host.
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checkInvalid("s://xx]/");
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// IPv6 must be enclosed in [ and ] for Uri.parse.
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// It is allowed un-enclosed as argument to `Uri(host:...)` because we don't
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// need to delimit.
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checkInvalid("s://ffff::ffff:1234/");
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}
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void testNormalization() {
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// The Uri constructor and the Uri.parse function performs RFC-3986
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// syntax based normalization.
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var uri;
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// Scheme: Only case normalization. Schemes cannot contain escapes.
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uri = Uri.parse("A:");
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Expect.equals("a", uri.scheme);
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uri = Uri.parse("Z:");
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Expect.equals("z", uri.scheme);
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uri = Uri.parse("$SCHEMECHAR:");
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Expect.equals(SCHEMECHAR.toLowerCase(), uri.scheme);
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// Percent escape normalization.
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// Escapes of unreserved characters are converted to the character,
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// subject to case normalization in reg-name.
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for (var i = 0; i < UNRESERVED.length; i++) {
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var char = UNRESERVED[i];
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var escape = "%" + char.codeUnitAt(0).toRadixString(16); // all > 0xf.
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uri = Uri.parse(
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"s://xX${escape}xX@yY${escape}yY/zZ${escape}zZ"
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"?vV${escape}vV#wW${escape}wW",
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);
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Expect.equals("xX${char}xX", uri.userInfo);
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Expect.equals("yY${char}yY".toLowerCase(), uri.host);
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Expect.equals("/zZ${char}zZ", uri.path);
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Expect.equals("vV${char}vV", uri.query);
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Expect.equals("wW${char}wW", uri.fragment);
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}
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// Escapes of reserved characters are kept, but upper-cased.
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for (var escape in ["%00", "%1f", "%7F", "%fF"]) {
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uri = Uri.parse(
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"s://xX${escape}xX@yY${escape}yY/zZ${escape}zZ"
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"?vV${escape}vV#wW${escape}wW",
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);
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var normalizedEscape = escape.toUpperCase();
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Expect.equals("xX${normalizedEscape}xX", uri.userInfo);
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Expect.equals("yy${normalizedEscape}yy", uri.host);
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Expect.equals("/zZ${normalizedEscape}zZ", uri.path);
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Expect.equals("vV${normalizedEscape}vV", uri.query);
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Expect.equals("wW${normalizedEscape}wW", uri.fragment);
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}
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// Some host normalization edge cases.
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uri = Uri.parse("x://x%61X%41x%41X%61x/");
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Expect.equals("xaxaxaxax", uri.host);
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uri = Uri.parse("x://Xxxxxxxx/");
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Expect.equals("xxxxxxxx", uri.host);
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uri = Uri.parse("x://xxxxxxxX/");
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Expect.equals("xxxxxxxx", uri.host);
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uri = Uri.parse("x://xxxxxxxx%61/");
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Expect.equals("xxxxxxxxa", uri.host);
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uri = Uri.parse("x://%61xxxxxxxx/");
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Expect.equals("axxxxxxxx", uri.host);
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uri = Uri.parse("x://X/");
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Expect.equals("x", uri.host);
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uri = Uri.parse("x://%61/");
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Expect.equals("a", uri.host);
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uri = new Uri(scheme: "x", path: "//y");
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Expect.equals("//y", uri.path);
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Expect.equals("x:////y", uri.toString());
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uri = new Uri(scheme: "file", path: "//y");
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Expect.equals("//y", uri.path);
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Expect.equals("file:////y", uri.toString());
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// File scheme noralizes to always showing authority, even if empty.
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uri = new Uri(scheme: "file", path: "/y");
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Expect.equals("file:///y", uri.toString());
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uri = new Uri(scheme: "file", path: "y");
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Expect.equals("file:///y", uri.toString());
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// Empty host/query/fragment ensures the delimiter is there.
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// Different from not being there.
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Expect.equals("scheme:/", Uri.parse("scheme:/").toString());
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Expect.equals("scheme:/", new Uri(scheme: "scheme", path: "/").toString());
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Expect.equals("scheme:///?#", Uri.parse("scheme:///?#").toString());
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||
Expect.equals(
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"scheme:///#",
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new Uri(
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scheme: "scheme",
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||
host: "",
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||
path: "/",
|
||
query: "",
|
||
fragment: "",
|
||
).toString(),
|
||
);
|
||
|
||
// We allow, and escape, general delimiters in paths, queries and fragments.
|
||
// Allow `[` and `]` in path:
|
||
Expect.equals("s:/%5B%5D", Uri.parse("s:/[]").toString());
|
||
Expect.equals("s:%5B%5D", Uri.parse("s:[]").toString());
|
||
Expect.equals("%5B%5D", Uri.parse("[]").toString());
|
||
// Allow `[`, `]` and `?` in query (anything after *first* `?`).
|
||
// The `?` is not escaped.
|
||
Expect.equals("s://xx/?%5B%5D?", Uri.parse("s://xx/?[]?").toString());
|
||
// Allow `[`, `]`, `?` and `#` in fragment (anything after *first* `#`).
|
||
// The `?` is not escaped.
|
||
Expect.equals("s://xx/#%5B%5D%23?", Uri.parse("s://xx/#[]#?").toString());
|
||
}
|
||
|
||
void testReplace() {
|
||
var uris = [
|
||
Uri.parse(""),
|
||
Uri.parse("a://@:/?#"),
|
||
Uri.parse("a://b@c:4/e/f?g#h"),
|
||
Uri.parse(
|
||
"$SCHEMECHAR://$USERINFOCHAR@$REGNAMECHAR:$DIGIT/$PCHAR/$PCHAR"
|
||
"?$QUERYCHAR#$QUERYCHAR",
|
||
),
|
||
];
|
||
for (var uri1 in uris) {
|
||
for (var uri2 in uris) {
|
||
if (identical(uri1, uri2)) continue;
|
||
var scheme = uri1.scheme;
|
||
var userInfo = uri1.hasAuthority ? uri1.userInfo : "";
|
||
var host = uri1.hasAuthority ? uri1.host : null;
|
||
var port = uri1.hasAuthority ? uri1.port : 0;
|
||
var path = uri1.path;
|
||
var query = uri1.hasQuery ? uri1.query : null;
|
||
var fragment = uri1.hasFragment ? uri1.fragment : null;
|
||
|
||
var tmp1 = uri1;
|
||
|
||
void test() {
|
||
var tmp2 = new Uri(
|
||
scheme: scheme,
|
||
userInfo: userInfo,
|
||
host: host,
|
||
port: port,
|
||
path: path,
|
||
query: query == "" ? null : query,
|
||
queryParameters: query == "" ? {} : null,
|
||
fragment: fragment,
|
||
);
|
||
Expect.equals(tmp1, tmp2);
|
||
}
|
||
|
||
test();
|
||
|
||
scheme = uri2.scheme;
|
||
tmp1 = tmp1.replace(scheme: scheme);
|
||
test();
|
||
|
||
if (uri2.hasAuthority) {
|
||
userInfo = uri2.userInfo;
|
||
host = uri2.host;
|
||
port = uri2.port;
|
||
tmp1 = tmp1.replace(userInfo: userInfo, host: host, port: port);
|
||
test();
|
||
}
|
||
|
||
path = uri2.path;
|
||
tmp1 = tmp1.replace(path: path);
|
||
test();
|
||
|
||
if (uri2.hasQuery) {
|
||
query = uri2.query;
|
||
tmp1 = tmp1.replace(query: query);
|
||
test();
|
||
}
|
||
|
||
if (uri2.hasFragment) {
|
||
fragment = uri2.fragment;
|
||
tmp1 = tmp1.replace(fragment: fragment);
|
||
test();
|
||
}
|
||
}
|
||
}
|
||
|
||
// Regression test, http://dartbug.com/20814
|
||
var uri = Uri.parse("/no-authority/");
|
||
uri = uri.replace(fragment: "fragment");
|
||
Expect.isFalse(uri.hasAuthority);
|
||
|
||
uri = new Uri(scheme: "foo", path: "bar");
|
||
uri = uri.replace(
|
||
queryParameters: {
|
||
"x": ["42", "37"],
|
||
"y": ["43", "38"],
|
||
},
|
||
);
|
||
var params = uri.queryParametersAll;
|
||
Expect.equals(2, params.length);
|
||
Expect.listEquals(["42", "37"], params["x"]!);
|
||
Expect.listEquals(["43", "38"], params["y"]!);
|
||
}
|
||
|
||
void testPackageUris() {
|
||
// A URI is recognized as a package URI if it has:
|
||
// * "package" as scheme
|
||
// * no authority
|
||
// * a first path segment
|
||
// * containing no `%`,
|
||
// * which is not all "." characters,
|
||
// * and which ends with a `/`.
|
||
//
|
||
// If so, the package name is unaffected by path resolution.
|
||
var uri = Uri.parse("package:foo/bar/baz"); // Simple base URI.
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux", // Resolve simple URI.
|
||
uri.resolve("../../qux").toString(),
|
||
);
|
||
|
||
Expect.stringEquals("package:foo/qux", uri.resolve("/qux").toString());
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux?%2F", // Resolve non-simple URI.
|
||
uri.resolve("../../qux?%2F").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux?%2F",
|
||
uri.resolve("/qux?%2F").toString(),
|
||
);
|
||
|
||
uri = Uri.parse("package:foo/%62ar/baz"); // Non-simple base URI.
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux", // Resolve simple URI.
|
||
uri.resolve("../../qux").toString(),
|
||
);
|
||
|
||
Expect.stringEquals("package:foo/qux", uri.resolve("/qux").toString());
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux?%2F", // Resolve non-simple URI.
|
||
uri.resolve("../../qux?%2F").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"package:foo/qux?%2F",
|
||
uri.resolve("/qux?%2F").toString(),
|
||
);
|
||
|
||
// The following base URIs are not recognized as package URIs:
|
||
uri = Uri.parse("puckage:foo/bar/baz"); // Not "package" scheme.
|
||
|
||
Expect.stringEquals("puckage:/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("puckage:/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package://foo/bar/baz"); // Has authority.
|
||
|
||
Expect.stringEquals("package://foo/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package://foo/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package:/foo/bar/baz"); // Has empty package name.
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package:f%2fo/bar/baz"); // Has escape in package name.
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package:f:o/bar/baz"); // Has colon in package name.
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package:.../bar/baz"); // Has only '.' in package name.
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("/qux").toString());
|
||
|
||
uri = Uri.parse("package:foo?/"); // Has no `/` after package name.
|
||
|
||
// Resolving relative against non-absolute path gives
|
||
// a non-absolute path again.
|
||
// TODO(lrn): Is this a bug?
|
||
Expect.stringEquals("package:qux", uri.resolve("../../qux").toString());
|
||
|
||
Expect.stringEquals("package:/qux", uri.resolve("/qux").toString());
|
||
}
|
||
|
||
void testBackslashes() {
|
||
// Tests change which makes `\` be treated as `/` in
|
||
// authority and path.
|
||
|
||
Expect.stringEquals(
|
||
"https://example.com/",
|
||
Uri.parse(r"https:\\example.com\").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"https://example.com/",
|
||
Uri.parse(r"https:\/example.com/").toString(),
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com/",
|
||
Uri.parse(r"https:/\example.com/").toString(),
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com/",
|
||
Uri.parse(r"https://example.com/").toString(),
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com/foo//bar",
|
||
Uri.parse(r"https://example.com/foo\\bar").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"https:/example.com/foo?%5C#%5C",
|
||
Uri.parse(r"https:\example.com/foo?\#\").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"https://example.com/@example.net/foo",
|
||
Uri.parse(r"https://example.com\@example.net/foo").toString(),
|
||
);
|
||
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file:foo").toString());
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file:\foo").toString());
|
||
Expect.stringEquals("file://foo/", Uri.parse(r"file:\\foo").toString());
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file:\\\foo").toString());
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file:\//foo").toString());
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file:/\/foo").toString());
|
||
Expect.stringEquals("file:///foo", Uri.parse(r"file://\foo").toString());
|
||
|
||
// No scheme.
|
||
Expect.stringEquals(
|
||
"//example.com/foo",
|
||
Uri.parse(r"\\example.com\foo").toString(),
|
||
);
|
||
|
||
// No authority.
|
||
Expect.stringEquals("http:/foo", Uri.parse(r"http:\foo").toString());
|
||
|
||
/// No scheme or authority.
|
||
|
||
Expect.stringEquals("foo/bar/baz", Uri.parse(r"foo\bar\baz").toString());
|
||
|
||
Expect.stringEquals("foo/bar/baz", Uri.parse(r"foo\bar\.\baz").toString());
|
||
|
||
Expect.stringEquals("foo/baz", Uri.parse(r"foo\bar\..\baz").toString());
|
||
|
||
// Not converted to / in query or fragment, still escaped.
|
||
Expect.stringEquals(
|
||
"https://example.com/foo?%5C#%5C",
|
||
Uri.parse(r"https://example.com/foo?\#\").toString(),
|
||
);
|
||
|
||
// Applies when a path is provided, but not when using path segments.
|
||
Expect.stringEquals(
|
||
"https://example.com/foo/bar",
|
||
Uri(scheme: "https", host: "example.com", path: r"\foo\bar").toString(),
|
||
);
|
||
|
||
Expect.stringEquals(
|
||
"https://example.com/foo%5Cbar",
|
||
Uri(
|
||
scheme: "https",
|
||
host: "example.com",
|
||
pathSegments: [r"foo\bar"],
|
||
).toString(),
|
||
);
|
||
|
||
// Does not apply to constructors which expect an unencoded path.
|
||
Expect.stringEquals(
|
||
"http://example.com/%5Cfoo%5Cbar",
|
||
Uri.http("example.com", r"\foo\bar").toString(),
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com/%5Cfoo%5Cbar",
|
||
Uri.https("example.com", r"\foo\bar").toString(),
|
||
);
|
||
}
|
||
|
||
void main() {
|
||
testUri("http:", true);
|
||
testUri("file:///", true);
|
||
testUri("file", false);
|
||
testUri("http://user@example.com:8080/fisk?query=89&hest=silas", true);
|
||
testUri(
|
||
"http://user@example.com:8080/fisk?query=89&hest=silas#fragment",
|
||
false,
|
||
);
|
||
Expect.stringEquals(
|
||
"http://user@example.com/a/b/c?query#fragment",
|
||
new Uri(
|
||
scheme: "http",
|
||
userInfo: "user",
|
||
host: "example.com",
|
||
port: 80,
|
||
path: "/a/b/c",
|
||
query: "query",
|
||
fragment: "fragment",
|
||
).toString(),
|
||
);
|
||
Expect.stringEquals(
|
||
"/a/b/c/",
|
||
new Uri(
|
||
scheme: null,
|
||
userInfo: null,
|
||
host: null,
|
||
port: 0,
|
||
path: "/a/b/c/",
|
||
query: null,
|
||
fragment: null,
|
||
).toString(),
|
||
);
|
||
Expect.stringEquals("file:///", Uri.parse("file:").toString());
|
||
|
||
testResolvePath("/a/g", "/a/b/c/./../../g");
|
||
testResolvePath("/a/g", "/a/b/c/./../../g");
|
||
testResolvePath("/mid/6", "mid/content=5/../6");
|
||
testResolvePath("/a/b/e", "a/b/c/d/../../e");
|
||
testResolvePath("/a/b/e", "../a/b/c/d/../../e");
|
||
testResolvePath("/a/b/e", "./a/b/c/d/../../e");
|
||
testResolvePath("/a/b/e", "../a/b/./c/d/../../e");
|
||
testResolvePath("/a/b/e", "./a/b/./c/d/../../e");
|
||
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/.");
|
||
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/./.");
|
||
testResolvePath("/a/b/e/", "./a/b/./c/d/../../e/././.");
|
||
|
||
testUriPerRFCs();
|
||
|
||
Expect.stringEquals(
|
||
"http://example.com",
|
||
Uri.parse("http://example.com/a/b/c").origin,
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com",
|
||
Uri.parse("https://example.com/a/b/c").origin,
|
||
);
|
||
Expect.stringEquals(
|
||
"http://example.com:1234",
|
||
Uri.parse("http://example.com:1234/a/b/c").origin,
|
||
);
|
||
Expect.stringEquals(
|
||
"https://example.com:1234",
|
||
Uri.parse("https://example.com:1234/a/b/c").origin,
|
||
);
|
||
Expect.throwsStateError(
|
||
() => Uri.parse("http:").origin,
|
||
"origin for uri with empty host should fail",
|
||
);
|
||
Expect.throwsStateError(
|
||
() => new Uri(
|
||
scheme: "http",
|
||
userInfo: null,
|
||
host: "",
|
||
port: 80,
|
||
path: "/a/b/c",
|
||
query: "query",
|
||
fragment: "fragment",
|
||
).origin,
|
||
"origin for uri with empty host should fail",
|
||
);
|
||
Expect.throwsStateError(
|
||
() => new Uri(
|
||
scheme: null,
|
||
userInfo: null,
|
||
host: "",
|
||
port: 80,
|
||
path: "/a/b/c",
|
||
query: "query",
|
||
fragment: "fragment",
|
||
).origin,
|
||
"origin for uri with empty scheme should fail",
|
||
);
|
||
Expect.throwsStateError(
|
||
() => new Uri(
|
||
scheme: "http",
|
||
userInfo: null,
|
||
host: null,
|
||
port: 80,
|
||
path: "/a/b/c",
|
||
query: "query",
|
||
fragment: "fragment",
|
||
).origin,
|
||
"origin for uri with empty host should fail",
|
||
);
|
||
Expect.throwsStateError(
|
||
() => Uri.parse("http://:80").origin,
|
||
"origin for uri with empty host should fail",
|
||
);
|
||
Expect.throwsStateError(
|
||
() => Uri.parse("file://localhost/test.txt").origin,
|
||
"origin for non-http/https uri should fail",
|
||
);
|
||
|
||
// URI encode tests
|
||
// Create a string with code point 0x10000 encoded as a surrogate pair.
|
||
var s = utf8.decode([0xf0, 0x90, 0x80, 0x80]);
|
||
|
||
Expect.stringEquals("\u{10000}", s);
|
||
|
||
testEncodeDecode("A + B", "A%20+%20B");
|
||
testEncodeDecode("\uFFFE", "%EF%BF%BE");
|
||
testEncodeDecode("\uFFFF", "%EF%BF%BF");
|
||
testEncodeDecode("\uFFFE", "%EF%BF%BE");
|
||
testEncodeDecode("\uFFFF", "%EF%BF%BF");
|
||
testEncodeDecode("\x7f", "%7F");
|
||
testEncodeDecode("\x80", "%C2%80");
|
||
testEncodeDecode("\u0800", "%E0%A0%80");
|
||
// All characters not escaped by encodeFull.
|
||
var unescapedFull =
|
||
r"abcdefghijklmnopqrstuvwxyz"
|
||
r"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
|
||
r"0123456789!#$&'()*+,-./:;=?@_~";
|
||
// ASCII characters escaped by encodeFull:
|
||
var escapedFull =
|
||
"\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
|
||
"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
|
||
r' "%<>[\]^`{|}'
|
||
"\x7f";
|
||
var escapedTo =
|
||
"%00%01%02%03%04%05%06%07%08%09%0A%0B%0C%0D%0E%0F"
|
||
"%10%11%12%13%14%15%16%17%18%19%1A%1B%1C%1D%1E%1F"
|
||
"%20%22%25%3C%3E%5B%5C%5D%5E%60%7B%7C%7D%7F";
|
||
testEncodeDecode(unescapedFull, unescapedFull);
|
||
testEncodeDecode(escapedFull, escapedTo);
|
||
var nonAscii =
|
||
"\x80-\xff-\u{100}-\u{7ff}-\u{800}-\u{ffff}-\u{10000}-\u{10ffff}";
|
||
var nonAsciiEncoding =
|
||
"%C2%80-%C3%BF-%C4%80-%DF%BF-%E0%A0%80-%EF%BF%BF-"
|
||
"%F0%90%80%80-%F4%8F%BF%BF";
|
||
testEncodeDecode(nonAscii, nonAsciiEncoding);
|
||
testEncodeDecode(s, "%F0%90%80%80");
|
||
testEncodeDecodeComponent("A + B", "A%20%2B%20B");
|
||
testEncodeDecodeComponent("\uFFFE", "%EF%BF%BE");
|
||
testEncodeDecodeComponent("\uFFFF", "%EF%BF%BF");
|
||
testEncodeDecodeComponent("\uFFFE", "%EF%BF%BE");
|
||
testEncodeDecodeComponent("\uFFFF", "%EF%BF%BF");
|
||
testEncodeDecodeComponent("\x7f", "%7F");
|
||
testEncodeDecodeComponent("\x80", "%C2%80");
|
||
testEncodeDecodeComponent("\u0800", "%E0%A0%80");
|
||
testEncodeDecodeComponent(":/@',;?&=+\$", "%3A%2F%40'%2C%3B%3F%26%3D%2B%24");
|
||
testEncodeDecodeComponent(s, "%F0%90%80%80");
|
||
testEncodeDecodeQueryComponent("A + B", "A+%2B+B", "A+%2B+B", "A+%2B+B");
|
||
testEncodeDecodeQueryComponent(
|
||
"æ ø å",
|
||
"%C3%A6+%C3%B8+%C3%A5",
|
||
"%E6+%F8+%E5",
|
||
null,
|
||
);
|
||
testEncodeDecodeComponent(nonAscii, nonAsciiEncoding);
|
||
|
||
// Invalid URI - : and @ is swapped, port ("host") should be numeric.
|
||
Expect.throwsFormatException(
|
||
() => Uri.parse("file://user@password:host/path"),
|
||
);
|
||
|
||
testValidCharacters();
|
||
testInvalidUrls();
|
||
testNormalization();
|
||
testReplace();
|
||
testPackageUris();
|
||
testBackslashes();
|
||
|
||
testNonBmpEncodingRegression();
|
||
|
||
testDotSlashSlashRegression();
|
||
}
|
||
|
||
void testDotSlashSlashRegression() {
|
||
// Regression test.
|
||
//
|
||
// A relative path must not normalize to one starting with an empty segment,
|
||
// because that makes the result look like an absolute path.
|
||
// To avoid that, prepend `./` before the leading empty segment.
|
||
//
|
||
// The `_normalizeRelativePath` misbehaved on inputs like `.//`, removing
|
||
// the initial `.` segment and returning `/`.
|
||
|
||
// A replacement based implementation of path normalization, for comparison.
|
||
//
|
||
// (^|/).(/|$) -> (^|/)
|
||
// (^|/)<segment>/..(/|$) -> (^|/)
|
||
//
|
||
// That is: Remove a `/./` or a `/segment/../` by turning it into a `/`,
|
||
// unless it's at the start, then don't insert a leading `/`.
|
||
// Add leading `./` if starting with `/` (starting with empty segment)
|
||
// or has become empty.
|
||
// Add final `/` if ending in `..` segment (and then also starting with
|
||
// `..` segment).
|
||
var normalizeRE = RegExp(r'(/|^)(?:\.|(?!\.\.(?:/|$))[^/]*/\.\.)(?:/|$)');
|
||
String normalizeByReplacement(String path) {
|
||
while (true) {
|
||
var newPath = path.replaceAllMapped(normalizeRE, (m) => m[1]!);
|
||
if (newPath == path) break;
|
||
path = newPath;
|
||
}
|
||
// If ends with `..` segment, add `/` after it.
|
||
if (path == '..' || path.endsWith('/..')) {
|
||
path += '/';
|
||
}
|
||
// Don't return an absolute or empty path.
|
||
if (path.isEmpty || path.startsWith('/')) path = "./$path";
|
||
return path;
|
||
}
|
||
|
||
// Check that `Uri.parse` gives the expected result.
|
||
// Check that the expected result is what normalization by replacement
|
||
// would give.
|
||
void checkNormalize(String expectedPath, String input) {
|
||
Expect.stringEquals(
|
||
expectedPath,
|
||
Uri.parse(input).toString(),
|
||
"Uri.parse('$input')",
|
||
);
|
||
Expect.stringEquals(
|
||
expectedPath,
|
||
normalizeByReplacement(input),
|
||
"NormByReplace('$input')",
|
||
);
|
||
}
|
||
|
||
var twoSlashRE = RegExp(r'(?<=/)(?=/)');
|
||
void testNormalize(String expectedPath, String input) {
|
||
checkNormalize(expectedPath, input);
|
||
|
||
// Change all empty segments, `//`, to `/x/`, in expectation and result.
|
||
var nonEmptyExpect = expectedPath.replaceAll(twoSlashRE, 'x');
|
||
if (nonEmptyExpect.startsWith('./x/')) {
|
||
// Only differs if empty segment would have been first.
|
||
nonEmptyExpect = nonEmptyExpect.substring(2);
|
||
}
|
||
checkNormalize(nonEmptyExpect, input.replaceAll(twoSlashRE, 'x'));
|
||
}
|
||
|
||
const paths = [
|
||
// (input, expected outout)
|
||
('a/..', './'),
|
||
('a/../', './'),
|
||
('a/..//', './/'),
|
||
('a/..//.', './/'),
|
||
('a/..//./', './/'),
|
||
('.', './'),
|
||
('./', './'),
|
||
('.//', './/'),
|
||
('.//.', './/'),
|
||
('.//./', './/'),
|
||
('.//./.', './/'),
|
||
('.//././', './/'),
|
||
('.//./..', './'),
|
||
('.//./../', './'),
|
||
('.//.//.', './//'),
|
||
('.//.//./', './//'),
|
||
('.//', './/'),
|
||
('.//a', './/a'),
|
||
('.//..', './'),
|
||
('.//../', './'),
|
||
('.//../a', 'a'),
|
||
('.//../a/', 'a/'),
|
||
('.//.././', './'),
|
||
('.//.././/', './/'),
|
||
('.//../..', '../'),
|
||
('.//../../', '../'),
|
||
('.//../.././/', '..//'),
|
||
('.//../..//', '..//'),
|
||
('.//../..//..', '../'),
|
||
('.//../..//../', '../'),
|
||
('.//..//', './/'),
|
||
('.//..//..', './'),
|
||
('.//..//../', './'),
|
||
('.///', './//'),
|
||
('.///a', './//a'),
|
||
('.///.', './//'),
|
||
('.///./', './//'),
|
||
('.///../..', './'),
|
||
('.///../../', './'),
|
||
// Not broken, extra sanity checks in case the fix broke it.
|
||
('..', '../'),
|
||
('../', '../'),
|
||
('../a', '../a'),
|
||
('../a/', '../a/'),
|
||
('../.', '../'),
|
||
('.././', '../'),
|
||
('../..', '../../'),
|
||
('../../', '../../'),
|
||
('..//', '..//'),
|
||
('..//..', '../'),
|
||
('..//../', '../'),
|
||
('.././..', '../../'),
|
||
('.././/', '..//'),
|
||
];
|
||
for (var (input, expected) in paths) {
|
||
assert(!input.startsWith('/'));
|
||
testNormalize(expected, input);
|
||
testNormalize(expected, './$input'); // Prefixing with `./` changes nothing.
|
||
}
|
||
}
|
||
|
||
void testNonBmpEncodingRegression() {
|
||
// Regression test for bug in encoding of some non-BMP characters
|
||
// in host names. The failing character has to be one that doesn't have
|
||
// the 0x10000 bit set in its code point, and which is not in the BMP.
|
||
const char = "\u{2003E}"; // CJK Unified Ideograph.
|
||
const echar = "%F0%A0%80%BE"; // UTF-8 encoding of page2Char, %-encoded.
|
||
var nonBmpUri = Uri.parse(
|
||
"http://$char.example.com/x${char}x?y${char}y#z${char}z",
|
||
);
|
||
Expect.equals(
|
||
"http://$echar.example.com/x${echar}x?y${echar}y#z${echar}z",
|
||
nonBmpUri.toString(),
|
||
);
|
||
Expect.equals("$echar.example.com", nonBmpUri.host);
|
||
Expect.equals("$char.example.com", Uri.decodeComponent(nonBmpUri.host));
|
||
Expect.equals("/x${echar}x", nonBmpUri.path);
|
||
Expect.equals("/x${char}x", Uri.decodeComponent(nonBmpUri.path));
|
||
Expect.equals("y${echar}y", nonBmpUri.query);
|
||
Expect.equals("y${char}y", Uri.decodeComponent(nonBmpUri.query));
|
||
Expect.equals("z${echar}z", nonBmpUri.fragment);
|
||
Expect.equals("z${char}z", Uri.decodeComponent(nonBmpUri.fragment));
|
||
}
|
||
|
||
String dump(Uri uri) {
|
||
return "URI: $uri\n"
|
||
" Scheme: ${uri.scheme} #${uri.scheme.length}\n"
|
||
" User-info: ${uri.userInfo} #${uri.userInfo.length}\n"
|
||
" Host: ${uri.host} #${uri.host.length}\n"
|
||
" Port: ${uri.port}\n"
|
||
" Path: ${uri.path} #${uri.path.length}\n"
|
||
" Query: ${uri.query} #${uri.query.length}\n"
|
||
" Fragment: ${uri.fragment} #${uri.fragment.length}\n";
|
||
}
|