| 1 | /* |
| 2 | * Copyright (C) 2019 Apple Inc. 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 |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #pragma once |
| 27 | |
| 28 | #include <wtf/KeyValuePair.h> |
| 29 | #include <wtf/Vector.h> |
| 30 | #include <wtf/text/WTFString.h> |
| 31 | |
| 32 | namespace WebCore { |
| 33 | |
| 34 | struct ContentRuleListResults { |
| 35 | struct Result { |
| 36 | bool blockedLoad { false }; |
| 37 | bool madeHTTPS { false }; |
| 38 | bool blockedCookies { false }; |
| 39 | Vector<String> notifications; |
| 40 | |
| 41 | bool shouldNotifyApplication() const |
| 42 | { |
| 43 | return blockedLoad |
| 44 | || madeHTTPS |
| 45 | || blockedCookies |
| 46 | || !notifications.isEmpty(); |
| 47 | } |
| 48 | |
| 49 | template<class Encoder> void encode(Encoder&) const; |
| 50 | template<class Decoder> static Optional<Result> decode(Decoder&); |
| 51 | }; |
| 52 | struct Summary { |
| 53 | bool blockedLoad { false }; |
| 54 | bool madeHTTPS { false }; |
| 55 | bool blockedCookies { false }; |
| 56 | bool hasNotifications { false }; |
| 57 | |
| 58 | template<class Encoder> void encode(Encoder&) const; |
| 59 | template<class Decoder> static Optional<Summary> decode(Decoder&); |
| 60 | }; |
| 61 | using ContentRuleListIdentifier = String; |
| 62 | |
| 63 | Summary summary; |
| 64 | Vector<std::pair<ContentRuleListIdentifier, Result>> results; |
| 65 | |
| 66 | bool shouldNotifyApplication() const |
| 67 | { |
| 68 | return summary.blockedLoad |
| 69 | || summary.madeHTTPS |
| 70 | || summary.blockedCookies |
| 71 | || summary.hasNotifications; |
| 72 | } |
| 73 | |
| 74 | template<class Encoder> void encode(Encoder& encoder) const |
| 75 | { |
| 76 | encoder << summary; |
| 77 | encoder << results; |
| 78 | } |
| 79 | template<class Decoder> static Optional<ContentRuleListResults> decode(Decoder& decoder) |
| 80 | { |
| 81 | Optional<Summary> summary; |
| 82 | decoder >> summary; |
| 83 | if (!summary) |
| 84 | return WTF::nullopt; |
| 85 | |
| 86 | Optional<Vector<std::pair<ContentRuleListIdentifier, Result>>> results; |
| 87 | decoder >> results; |
| 88 | if (!results) |
| 89 | return WTF::nullopt; |
| 90 | |
| 91 | return {{ |
| 92 | WTFMove(*summary), |
| 93 | WTFMove(*results) |
| 94 | }}; |
| 95 | } |
| 96 | }; |
| 97 | |
| 98 | template<class Encoder> void ContentRuleListResults::Result::encode(Encoder& encoder) const |
| 99 | { |
| 100 | encoder << blockedLoad; |
| 101 | encoder << madeHTTPS; |
| 102 | encoder << blockedCookies; |
| 103 | encoder << notifications; |
| 104 | } |
| 105 | |
| 106 | template<class Decoder> auto ContentRuleListResults::Result::decode(Decoder& decoder) -> Optional<Result> |
| 107 | { |
| 108 | Optional<bool> blockedLoad; |
| 109 | decoder >> blockedLoad; |
| 110 | if (!blockedLoad) |
| 111 | return WTF::nullopt; |
| 112 | |
| 113 | Optional<bool> madeHTTPS; |
| 114 | decoder >> madeHTTPS; |
| 115 | if (!madeHTTPS) |
| 116 | return WTF::nullopt; |
| 117 | |
| 118 | Optional<bool> blockedCookies; |
| 119 | decoder >> blockedCookies; |
| 120 | if (!blockedCookies) |
| 121 | return WTF::nullopt; |
| 122 | |
| 123 | Optional<Vector<String>> notifications; |
| 124 | decoder >> notifications; |
| 125 | if (!notifications) |
| 126 | return WTF::nullopt; |
| 127 | |
| 128 | return {{ |
| 129 | WTFMove(*blockedLoad), |
| 130 | WTFMove(*madeHTTPS), |
| 131 | WTFMove(*blockedCookies), |
| 132 | WTFMove(*notifications) |
| 133 | }}; |
| 134 | } |
| 135 | |
| 136 | template<class Encoder> void ContentRuleListResults::Summary::encode(Encoder& encoder) const |
| 137 | { |
| 138 | encoder << blockedLoad; |
| 139 | encoder << madeHTTPS; |
| 140 | encoder << blockedCookies; |
| 141 | encoder << hasNotifications; |
| 142 | } |
| 143 | |
| 144 | template<class Decoder> auto ContentRuleListResults::Summary::decode(Decoder& decoder) -> Optional<Summary> |
| 145 | { |
| 146 | Optional<bool> blockedLoad; |
| 147 | decoder >> blockedLoad; |
| 148 | if (!blockedLoad) |
| 149 | return WTF::nullopt; |
| 150 | |
| 151 | Optional<bool> madeHTTPS; |
| 152 | decoder >> madeHTTPS; |
| 153 | if (!madeHTTPS) |
| 154 | return WTF::nullopt; |
| 155 | |
| 156 | Optional<bool> blockedCookies; |
| 157 | decoder >> blockedCookies; |
| 158 | if (!blockedCookies) |
| 159 | return WTF::nullopt; |
| 160 | |
| 161 | Optional<bool> hasNotifications; |
| 162 | decoder >> hasNotifications; |
| 163 | if (!hasNotifications) |
| 164 | return WTF::nullopt; |
| 165 | |
| 166 | return {{ |
| 167 | WTFMove(*blockedLoad), |
| 168 | WTFMove(*madeHTTPS), |
| 169 | WTFMove(*blockedCookies), |
| 170 | WTFMove(*hasNotifications), |
| 171 | }}; |
| 172 | } |
| 173 | |
| 174 | } |
| 175 | |