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| 1 /* | |
| 2 * Copyright (C) 2013 Google 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 are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "bindings/v8/ExceptionState.h" | |
| 33 | |
| 34 #include "bindings/v8/ExceptionMessages.h" | |
| 35 #include "bindings/v8/V8ThrowException.h" | |
| 36 #include "core/dom/ExceptionCode.h" | |
| 37 | |
| 38 namespace WebCore { | |
| 39 | |
| 40 void ExceptionState::clearException() | |
| 41 { | |
| 42 m_code = 0; | |
| 43 m_exception.clear(); | |
| 44 } | |
| 45 | |
| 46 void ExceptionState::throwDOMException(const ExceptionCode& ec, const String& me
ssage) | |
| 47 { | |
| 48 ASSERT(ec); | |
| 49 ASSERT(m_isolate); | |
| 50 ASSERT(!m_creationContext.IsEmpty()); | |
| 51 | |
| 52 // SecurityError is thrown via ::throwSecurityError, and _careful_ considera
tion must be given to the data exposed to JavaScript via the 'sanitizedMessage'. | |
| 53 ASSERT(ec != SecurityError); | |
| 54 | |
| 55 m_code = ec; | |
| 56 String processedMessage = addExceptionContext(message); | |
| 57 m_message = processedMessage; | |
| 58 setException(V8ThrowException::createDOMException(ec, processedMessage, m_cr
eationContext, m_isolate)); | |
| 59 } | |
| 60 | |
| 61 void ExceptionState::throwSecurityError(const String& sanitizedMessage, const St
ring& unsanitizedMessage) | |
| 62 { | |
| 63 ASSERT(m_isolate); | |
| 64 ASSERT(!m_creationContext.IsEmpty()); | |
| 65 m_code = SecurityError; | |
| 66 String finalSanitized = addExceptionContext(sanitizedMessage); | |
| 67 m_message = finalSanitized; | |
| 68 String finalUnsanitized = addExceptionContext(unsanitizedMessage); | |
| 69 | |
| 70 setException(V8ThrowException::createDOMException(SecurityError, finalSaniti
zed, finalUnsanitized, m_creationContext, m_isolate)); | |
| 71 } | |
| 72 | |
| 73 void ExceptionState::setException(v8::Handle<v8::Value> exception) | |
| 74 { | |
| 75 // FIXME: Assert that exception is not empty? | |
| 76 if (exception.IsEmpty()) { | |
| 77 clearException(); | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 m_exception.set(m_isolate, exception); | |
| 82 } | |
| 83 | |
| 84 void ExceptionState::throwException() | |
| 85 { | |
| 86 ASSERT(!m_exception.isEmpty()); | |
| 87 V8ThrowException::throwError(m_exception.newLocal(m_isolate), m_isolate); | |
| 88 } | |
| 89 | |
| 90 void ExceptionState::throwTypeError(const String& message) | |
| 91 { | |
| 92 ASSERT(m_isolate); | |
| 93 m_code = TypeError; | |
| 94 m_message = message; | |
| 95 setException(V8ThrowException::createTypeError(addExceptionContext(message),
m_isolate)); | |
| 96 } | |
| 97 | |
| 98 void NonThrowableExceptionState::throwDOMException(const ExceptionCode& ec, cons
t String& message) | |
| 99 { | |
| 100 ASSERT_NOT_REACHED(); | |
| 101 m_code = ec; | |
| 102 m_message = message; | |
| 103 } | |
| 104 | |
| 105 void NonThrowableExceptionState::throwTypeError(const String& message) | |
| 106 { | |
| 107 ASSERT_NOT_REACHED(); | |
| 108 m_code = TypeError; | |
| 109 m_message = message; | |
| 110 } | |
| 111 | |
| 112 void NonThrowableExceptionState::throwSecurityError(const String& sanitizedMessa
ge, const String&) | |
| 113 { | |
| 114 ASSERT_NOT_REACHED(); | |
| 115 m_code = SecurityError; | |
| 116 m_message = sanitizedMessage; | |
| 117 } | |
| 118 | |
| 119 void TrackExceptionState::throwDOMException(const ExceptionCode& ec, const Strin
g& message) | |
| 120 { | |
| 121 m_code = ec; | |
| 122 m_message = message; | |
| 123 } | |
| 124 | |
| 125 void TrackExceptionState::throwTypeError(const String& message) | |
| 126 { | |
| 127 m_code = TypeError; | |
| 128 m_message = message; | |
| 129 } | |
| 130 | |
| 131 void TrackExceptionState::throwSecurityError(const String& sanitizedMessage, con
st String&) | |
| 132 { | |
| 133 m_code = SecurityError; | |
| 134 m_message = sanitizedMessage; | |
| 135 } | |
| 136 | |
| 137 String ExceptionState::addExceptionContext(const String& message) const | |
| 138 { | |
| 139 if (message.isEmpty()) | |
| 140 return message; | |
| 141 | |
| 142 String processedMessage = message; | |
| 143 if (propertyName() && interfaceName() && m_context != UnknownContext) { | |
| 144 if (m_context == DeletionContext) | |
| 145 processedMessage = ExceptionMessages::failedToDelete(propertyName(),
interfaceName(), message); | |
| 146 else if (m_context == ExecutionContext) | |
| 147 processedMessage = ExceptionMessages::failedToExecute(propertyName()
, interfaceName(), message); | |
| 148 else if (m_context == GetterContext) | |
| 149 processedMessage = ExceptionMessages::failedToGet(propertyName(), in
terfaceName(), message); | |
| 150 else if (m_context == SetterContext) | |
| 151 processedMessage = ExceptionMessages::failedToSet(propertyName(), in
terfaceName(), message); | |
| 152 } else if (!propertyName() && interfaceName()) { | |
| 153 if (m_context == ConstructionContext) | |
| 154 processedMessage = ExceptionMessages::failedToConstruct(interfaceNam
e(), message); | |
| 155 else if (m_context == EnumerationContext) | |
| 156 processedMessage = ExceptionMessages::failedToEnumerate(interfaceNam
e(), message); | |
| 157 else if (m_context == IndexedDeletionContext) | |
| 158 processedMessage = ExceptionMessages::failedToDeleteIndexed(interfac
eName(), message); | |
| 159 else if (m_context == IndexedGetterContext) | |
| 160 processedMessage = ExceptionMessages::failedToGetIndexed(interfaceNa
me(), message); | |
| 161 else if (m_context == IndexedSetterContext) | |
| 162 processedMessage = ExceptionMessages::failedToSetIndexed(interfaceNa
me(), message); | |
| 163 } | |
| 164 return processedMessage; | |
| 165 } | |
| 166 | |
| 167 } // namespace WebCore | |
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