1 | // Copyright (c) 2018, Yubico AB | |
2 | // All rights reserved. | |
3 | // | |
4 | // Redistribution and use in source and binary forms, with or without | |
5 | // modification, are permitted provided that the following conditions are met: | |
6 | // | |
7 | // 1. Redistributions of source code must retain the above copyright notice, this | |
8 | // list of conditions and the following disclaimer. | |
9 | // | |
10 | // 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 | // this list of conditions and the following disclaimer in the documentation | |
12 | // and/or other materials provided with the distribution. | |
13 | // | |
14 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
15 | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
16 | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 | // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
18 | // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
19 | // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
20 | // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
21 | // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
22 | // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
23 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 | ||
25 | package com.yubico.webauthn.extension.appid; | |
26 | ||
27 | import com.fasterxml.jackson.annotation.JsonCreator; | |
28 | import com.fasterxml.jackson.core.JsonGenerator; | |
29 | import com.fasterxml.jackson.databind.SerializerProvider; | |
30 | import com.fasterxml.jackson.databind.annotation.JsonSerialize; | |
31 | import com.google.common.net.InetAddresses; | |
32 | import java.io.IOException; | |
33 | import java.net.URI; | |
34 | import java.net.URISyntaxException; | |
35 | import lombok.NonNull; | |
36 | import lombok.Value; | |
37 | ||
38 | /** | |
39 | * A FIDO AppID verified to be syntactically valid. | |
40 | * | |
41 | * @see <a | |
42 | * href="https://fidoalliance.org/specs/fido-v2.0-id-20180227/fido-appid-and-facets-v2.0-id-20180227.html">FIDO | |
43 | * AppID and Facet Specification</a> | |
44 | */ | |
45 | @Value | |
46 | @JsonSerialize(using = AppId.JsonSerializer.class) | |
47 | public class AppId { | |
48 | ||
49 | /** The underlying string representation of this AppID. */ | |
50 | private final String id; | |
51 | ||
52 | /** | |
53 | * Verify that the <code>appId</code> is a valid FIDO AppID, and wrap it as an {@link AppId}. | |
54 | * | |
55 | * @throws InvalidAppIdException if <code>appId</code> is not a valid FIDO AppID. | |
56 | * @see <a | |
57 | * href="https://fidoalliance.org/specs/fido-v2.0-id-20180227/fido-appid-and-facets-v2.0-id-20180227.html">FIDO | |
58 | * AppID and Facet Specification</a> | |
59 | */ | |
60 | @JsonCreator | |
61 |
1
1. <init> : negated conditional → KILLED |
public AppId(@NonNull String appId) throws InvalidAppIdException { |
62 |
1
1. <init> : removed call to com/yubico/webauthn/extension/appid/AppId::checkIsValid → KILLED |
checkIsValid(appId); |
63 | this.id = appId; | |
64 | } | |
65 | ||
66 | /** | |
67 | * Throws {@link InvalidAppIdException} if the given App ID is found to be incompatible with the | |
68 | * U2F specification or any major U2F Client implementation. | |
69 | * | |
70 | * @param appId the App ID to be validated | |
71 | */ | |
72 | private static void checkIsValid(String appId) throws InvalidAppIdException { | |
73 |
1
1. checkIsValid : negated conditional → KILLED |
if (!appId.contains(":")) { |
74 | throw new InvalidAppIdException( | |
75 | "App ID does not look like a valid facet or URL. Web facets must start with 'https://'."); | |
76 | } | |
77 |
1
1. checkIsValid : negated conditional → KILLED |
if (appId.startsWith("http:")) { |
78 | throw new InvalidAppIdException( | |
79 | "HTTP is not supported for App IDs (by Chrome). Use HTTPS instead."); | |
80 | } | |
81 |
1
1. checkIsValid : negated conditional → KILLED |
if (appId.startsWith("https://")) { |
82 | URI url = checkValidUrl(appId); | |
83 |
1
1. checkIsValid : removed call to com/yubico/webauthn/extension/appid/AppId::checkPathIsNotSlash → KILLED |
checkPathIsNotSlash(url); |
84 |
1
1. checkIsValid : removed call to com/yubico/webauthn/extension/appid/AppId::checkNotIpAddress → KILLED |
checkNotIpAddress(url); |
85 | } | |
86 | } | |
87 | ||
88 | private static void checkPathIsNotSlash(URI url) throws InvalidAppIdException { | |
89 |
1
1. checkPathIsNotSlash : negated conditional → KILLED |
if ("/".equals(url.getPath())) { |
90 | throw new InvalidAppIdException( | |
91 | "The path of the URL set as App ID is '/'. This is probably not what you want -- remove the trailing slash of the App ID URL."); | |
92 | } | |
93 | } | |
94 | ||
95 | private static URI checkValidUrl(String appId) throws InvalidAppIdException { | |
96 | try { | |
97 |
1
1. checkValidUrl : replaced return value with null for com/yubico/webauthn/extension/appid/AppId::checkValidUrl → KILLED |
return new URI(appId); |
98 | } catch (URISyntaxException e) { | |
99 | throw new InvalidAppIdException("App ID looks like a HTTPS URL, but has syntax errors.", e); | |
100 | } | |
101 | } | |
102 | ||
103 | private static void checkNotIpAddress(URI url) throws InvalidAppIdException { | |
104 |
1
1. checkNotIpAddress : negated conditional → KILLED |
if (InetAddresses.isInetAddress(url.getAuthority()) |
105 |
2
1. checkNotIpAddress : negated conditional → KILLED 2. checkNotIpAddress : negated conditional → KILLED |
|| (url.getHost() != null && InetAddresses.isInetAddress(url.getHost()))) { |
106 | throw new InvalidAppIdException( | |
107 | "App ID must not be an IP-address, since it is not supported (by Chrome). Use a host name instead."); | |
108 | } | |
109 | } | |
110 | ||
111 | static class JsonSerializer extends com.fasterxml.jackson.databind.JsonSerializer<AppId> { | |
112 | @Override | |
113 | public void serialize(AppId value, JsonGenerator gen, SerializerProvider serializers) | |
114 | throws IOException { | |
115 |
1
1. serialize : removed call to com/fasterxml/jackson/core/JsonGenerator::writeString → KILLED |
gen.writeString(value.getId()); |
116 | } | |
117 | } | |
118 | } | |
Mutations | ||
61 |
1.1 |
|
62 |
1.1 |
|
73 |
1.1 |
|
77 |
1.1 |
|
81 |
1.1 |
|
83 |
1.1 |
|
84 |
1.1 |
|
89 |
1.1 |
|
97 |
1.1 |
|
104 |
1.1 |
|
105 |
1.1 2.2 |
|
115 |
1.1 |