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comparison: ipc/glue/URIUtils.cpp
ipc/glue/URIUtils.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:af105670367d |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "URIUtils.h" | |
| 6 | |
| 7 #include "nsIIPCSerializableURI.h" | |
| 8 | |
| 9 #include "mozilla/ArrayUtils.h" | |
| 10 #include "mozilla/Assertions.h" | |
| 11 #include "nsComponentManagerUtils.h" | |
| 12 #include "nsDebug.h" | |
| 13 #include "nsID.h" | |
| 14 #include "nsJARURI.h" | |
| 15 #include "nsNetCID.h" | |
| 16 #include "nsNetUtil.h" | |
| 17 #include "nsThreadUtils.h" | |
| 18 | |
| 19 using namespace mozilla::ipc; | |
| 20 using mozilla::ArrayLength; | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID); | |
| 25 NS_DEFINE_CID(kStandardURLCID, NS_STANDARDURL_CID); | |
| 26 NS_DEFINE_CID(kJARURICID, NS_JARURI_CID); | |
| 27 | |
| 28 struct StringWithLengh | |
| 29 { | |
| 30 const char* string; | |
| 31 size_t length; | |
| 32 }; | |
| 33 | |
| 34 #define STRING_WITH_LENGTH(_str) \ | |
| 35 { _str, ArrayLength(_str) - 1 } | |
| 36 | |
| 37 const StringWithLengh kGenericURIAllowedSchemes[] = { | |
| 38 STRING_WITH_LENGTH("about:"), | |
| 39 STRING_WITH_LENGTH("javascript:"), | |
| 40 STRING_WITH_LENGTH("javascript") | |
| 41 }; | |
| 42 | |
| 43 #undef STRING_WITH_LENGTH | |
| 44 | |
| 45 } // anonymous namespace | |
| 46 | |
| 47 namespace mozilla { | |
| 48 namespace ipc { | |
| 49 | |
| 50 void | |
| 51 SerializeURI(nsIURI* aURI, | |
| 52 URIParams& aParams) | |
| 53 { | |
| 54 MOZ_ASSERT(NS_IsMainThread()); | |
| 55 MOZ_ASSERT(aURI); | |
| 56 | |
| 57 nsCOMPtr<nsIIPCSerializableURI> serializable = do_QueryInterface(aURI); | |
| 58 if (serializable) { | |
| 59 serializable->Serialize(aParams); | |
| 60 if (aParams.type() == URIParams::T__None) { | |
| 61 MOZ_CRASH("Serialize failed!"); | |
| 62 } | |
| 63 return; | |
| 64 } | |
| 65 | |
| 66 nsCString scheme; | |
| 67 if (NS_FAILED(aURI->GetScheme(scheme))) { | |
| 68 MOZ_CRASH("This must never fail!"); | |
| 69 } | |
| 70 | |
| 71 bool allowed = false; | |
| 72 | |
| 73 for (size_t i = 0; i < ArrayLength(kGenericURIAllowedSchemes); i++) { | |
| 74 const StringWithLengh& entry = kGenericURIAllowedSchemes[i]; | |
| 75 if (scheme.EqualsASCII(entry.string, entry.length)) { | |
| 76 allowed = true; | |
| 77 break; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 if (!allowed) { | |
| 82 MOZ_CRASH("All IPDL URIs must be serializable or an allowed " | |
| 83 "scheme!"); | |
| 84 } | |
| 85 | |
| 86 GenericURIParams params; | |
| 87 if (NS_FAILED(aURI->GetSpec(params.spec())) || | |
| 88 NS_FAILED(aURI->GetOriginCharset(params.charset()))) { | |
| 89 MOZ_CRASH("This must never fail!"); | |
| 90 } | |
| 91 | |
| 92 aParams = params; | |
| 93 } | |
| 94 | |
| 95 void | |
| 96 SerializeURI(nsIURI* aURI, | |
| 97 OptionalURIParams& aParams) | |
| 98 { | |
| 99 MOZ_ASSERT(NS_IsMainThread()); | |
| 100 | |
| 101 if (aURI) { | |
| 102 URIParams params; | |
| 103 SerializeURI(aURI, params); | |
| 104 aParams = params; | |
| 105 } | |
| 106 else { | |
| 107 aParams = mozilla::void_t(); | |
| 108 } | |
| 109 } | |
| 110 | |
| 111 already_AddRefed<nsIURI> | |
| 112 DeserializeURI(const URIParams& aParams) | |
| 113 { | |
| 114 MOZ_ASSERT(NS_IsMainThread()); | |
| 115 | |
| 116 nsCOMPtr<nsIURI> uri; | |
| 117 | |
| 118 if (aParams.type() != URIParams::TGenericURIParams) { | |
| 119 nsCOMPtr<nsIIPCSerializableURI> serializable; | |
| 120 | |
| 121 switch (aParams.type()) { | |
| 122 case URIParams::TSimpleURIParams: | |
| 123 serializable = do_CreateInstance(kSimpleURICID); | |
| 124 break; | |
| 125 | |
| 126 case URIParams::TStandardURLParams: | |
| 127 serializable = do_CreateInstance(kStandardURLCID); | |
| 128 break; | |
| 129 | |
| 130 case URIParams::TJARURIParams: | |
| 131 serializable = do_CreateInstance(kJARURICID); | |
| 132 break; | |
| 133 | |
| 134 default: | |
| 135 MOZ_CRASH("Unknown params!"); | |
| 136 } | |
| 137 | |
| 138 MOZ_ASSERT(serializable); | |
| 139 | |
| 140 if (!serializable->Deserialize(aParams)) { | |
| 141 MOZ_ASSERT(false, "Deserialize failed!"); | |
| 142 return nullptr; | |
| 143 } | |
| 144 | |
| 145 uri = do_QueryInterface(serializable); | |
| 146 MOZ_ASSERT(uri); | |
| 147 | |
| 148 return uri.forget(); | |
| 149 } | |
| 150 | |
| 151 MOZ_ASSERT(aParams.type() == URIParams::TGenericURIParams); | |
| 152 | |
| 153 const GenericURIParams& params = aParams.get_GenericURIParams(); | |
| 154 | |
| 155 if (NS_FAILED(NS_NewURI(getter_AddRefs(uri), params.spec(), | |
| 156 params.charset().get()))) { | |
| 157 NS_WARNING("Failed to make new URI!"); | |
| 158 return nullptr; | |
| 159 } | |
| 160 | |
| 161 nsCString scheme; | |
| 162 if (NS_FAILED(uri->GetScheme(scheme))) { | |
| 163 MOZ_CRASH("This must never fail!"); | |
| 164 } | |
| 165 | |
| 166 bool allowed = false; | |
| 167 | |
| 168 for (size_t i = 0; i < ArrayLength(kGenericURIAllowedSchemes); i++) { | |
| 169 const StringWithLengh& entry = kGenericURIAllowedSchemes[i]; | |
| 170 if (scheme.EqualsASCII(entry.string, entry.length)) { | |
| 171 allowed = true; | |
| 172 break; | |
| 173 } | |
| 174 } | |
| 175 | |
| 176 if (!allowed) { | |
| 177 MOZ_ASSERT(false, "This type of URI is not allowed!"); | |
| 178 return nullptr; | |
| 179 } | |
| 180 | |
| 181 return uri.forget(); | |
| 182 } | |
| 183 | |
| 184 already_AddRefed<nsIURI> | |
| 185 DeserializeURI(const OptionalURIParams& aParams) | |
| 186 { | |
| 187 MOZ_ASSERT(NS_IsMainThread()); | |
| 188 | |
| 189 nsCOMPtr<nsIURI> uri; | |
| 190 | |
| 191 switch (aParams.type()) { | |
| 192 case OptionalURIParams::Tvoid_t: | |
| 193 break; | |
| 194 | |
| 195 case OptionalURIParams::TURIParams: | |
| 196 uri = DeserializeURI(aParams.get_URIParams()); | |
| 197 break; | |
| 198 | |
| 199 default: | |
| 200 MOZ_CRASH("Unknown params!"); | |
| 201 } | |
| 202 | |
| 203 return uri.forget(); | |
| 204 } | |
| 205 | |
| 206 } // namespace ipc | |
| 207 } // namespace mozilla |
