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/core/v8/ExceptionState.h" 33 34#include "bindings/core/v8/ExceptionMessages.h" 35#include "bindings/core/v8/V8ThrowException.h" 36#include "core/dom/ExceptionCode.h" 37 38namespace blink { 39 40void ExceptionState::clearException() 41{ 42 m_code = 0; 43 m_exception.clear(); 44} 45 46ScriptPromise ExceptionState::reject(ScriptState* scriptState) 47{ 48 ScriptPromise promise = ScriptPromise::reject(scriptState, m_exception.newLocal(scriptState->isolate())); 49 clearException(); 50 return promise; 51} 52 53void ExceptionState::throwDOMException(const ExceptionCode& ec, const String& message) 54{ 55 ASSERT(ec); 56 ASSERT(m_isolate); 57 ASSERT(!m_creationContext.IsEmpty()); 58 59 // SecurityError is thrown via ::throwSecurityError, and _careful_ consideration must be given to the data exposed to JavaScript via the 'sanitizedMessage'. 60 ASSERT(ec != SecurityError); 61 62 m_code = ec; 63 String processedMessage = addExceptionContext(message); 64 m_message = processedMessage; 65 setException(V8ThrowException::createDOMException(ec, processedMessage, m_creationContext, m_isolate)); 66} 67 68void ExceptionState::throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage) 69{ 70 ASSERT(m_isolate); 71 ASSERT(!m_creationContext.IsEmpty()); 72 m_code = SecurityError; 73 String finalSanitized = addExceptionContext(sanitizedMessage); 74 m_message = finalSanitized; 75 String finalUnsanitized = addExceptionContext(unsanitizedMessage); 76 77 setException(V8ThrowException::createDOMException(SecurityError, finalSanitized, finalUnsanitized, m_creationContext, m_isolate)); 78} 79 80void ExceptionState::setException(v8::Handle<v8::Value> exception) 81{ 82 // FIXME: Assert that exception is not empty? 83 if (exception.IsEmpty()) { 84 clearException(); 85 return; 86 } 87 88 m_exception.set(m_isolate, exception); 89} 90 91void ExceptionState::throwException() 92{ 93 ASSERT(!m_exception.isEmpty()); 94 V8ThrowException::throwException(m_exception.newLocal(m_isolate), m_isolate); 95} 96 97void ExceptionState::throwTypeError(const String& message) 98{ 99 ASSERT(m_isolate); 100 m_code = V8TypeError; 101 m_message = message; 102 setException(V8ThrowException::createTypeError(addExceptionContext(message), m_isolate)); 103} 104 105void ExceptionState::throwRangeError(const String& message) 106{ 107 ASSERT(m_isolate); 108 m_code = V8RangeError; 109 m_message = message; 110 setException(V8ThrowException::createRangeError(addExceptionContext(message), m_isolate)); 111} 112 113void NonThrowableExceptionState::throwDOMException(const ExceptionCode& ec, const String& message) 114{ 115 ASSERT_NOT_REACHED(); 116 m_code = ec; 117 m_message = message; 118} 119 120void NonThrowableExceptionState::throwTypeError(const String& message) 121{ 122 ASSERT_NOT_REACHED(); 123 m_code = V8TypeError; 124 m_message = message; 125} 126 127void NonThrowableExceptionState::throwSecurityError(const String& sanitizedMessage, const String&) 128{ 129 ASSERT_NOT_REACHED(); 130 m_code = SecurityError; 131 m_message = sanitizedMessage; 132} 133 134void NonThrowableExceptionState::throwRangeError(const String& message) 135{ 136 ASSERT_NOT_REACHED(); 137 m_code = V8RangeError; 138 m_message = message; 139} 140 141void TrackExceptionState::throwDOMException(const ExceptionCode& ec, const String& message) 142{ 143 m_code = ec; 144 m_message = message; 145} 146 147void TrackExceptionState::throwTypeError(const String& message) 148{ 149 m_code = V8TypeError; 150 m_message = message; 151} 152 153void TrackExceptionState::throwSecurityError(const String& sanitizedMessage, const String&) 154{ 155 m_code = SecurityError; 156 m_message = sanitizedMessage; 157} 158 159void TrackExceptionState::throwRangeError(const String& message) 160{ 161 m_code = V8RangeError; 162 m_message = message; 163} 164 165String ExceptionState::addExceptionContext(const String& message) const 166{ 167 if (message.isEmpty()) 168 return message; 169 170 String processedMessage = message; 171 if (propertyName() && interfaceName() && m_context != UnknownContext) { 172 if (m_context == DeletionContext) 173 processedMessage = ExceptionMessages::failedToDelete(propertyName(), interfaceName(), message); 174 else if (m_context == ExecutionContext) 175 processedMessage = ExceptionMessages::failedToExecute(propertyName(), interfaceName(), message); 176 else if (m_context == GetterContext) 177 processedMessage = ExceptionMessages::failedToGet(propertyName(), interfaceName(), message); 178 else if (m_context == SetterContext) 179 processedMessage = ExceptionMessages::failedToSet(propertyName(), interfaceName(), message); 180 } else if (!propertyName() && interfaceName()) { 181 if (m_context == ConstructionContext) 182 processedMessage = ExceptionMessages::failedToConstruct(interfaceName(), message); 183 else if (m_context == EnumerationContext) 184 processedMessage = ExceptionMessages::failedToEnumerate(interfaceName(), message); 185 else if (m_context == IndexedDeletionContext) 186 processedMessage = ExceptionMessages::failedToDeleteIndexed(interfaceName(), message); 187 else if (m_context == IndexedGetterContext) 188 processedMessage = ExceptionMessages::failedToGetIndexed(interfaceName(), message); 189 else if (m_context == IndexedSetterContext) 190 processedMessage = ExceptionMessages::failedToSetIndexed(interfaceName(), message); 191 } 192 return processedMessage; 193} 194 195} // namespace blink 196