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 38 namespace blink { 39 40 void ExceptionState::clearException() 41 { 42 m_code = 0; 43 m_exception.clear(); 44 } 45 46 ScriptPromise ExceptionState::reject(ScriptState* scriptState) 47 { 48 ScriptPromise promise = ScriptPromise::reject(scriptState, m_exception.newLocal(scriptState->isolate())); 49 clearException(); 50 return promise; 51 } 52 53 void 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 68 void 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 80 void 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 91 void ExceptionState::throwException() 92 { 93 ASSERT(!m_exception.isEmpty()); 94 V8ThrowException::throwException(m_exception.newLocal(m_isolate), m_isolate); 95 } 96 97 void 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 } 104 105 void 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 } 112 113 void NonThrowableExceptionState::throwDOMException(const ExceptionCode& ec, const String& message) 114 { 115 ASSERT_NOT_REACHED(); 116 m_code = ec; 117 m_message = message; 118 } 119 120 void NonThrowableExceptionState::throwTypeError(const String& message) 121 { 122 ASSERT_NOT_REACHED(); 123 m_code = V8TypeError; 124 m_message = message; 125 } 126 127 void NonThrowableExceptionState::throwSecurityError(const String& sanitizedMessage, const String&) 128 { 129 ASSERT_NOT_REACHED(); 130 m_code = SecurityError; 131 m_message = sanitizedMessage; 132 } 133 134 void NonThrowableExceptionState::throwRangeError(const String& message) 135 { 136 ASSERT_NOT_REACHED(); 137 m_code = V8RangeError; 138 m_message = message; 139 } 140 141 void TrackExceptionState::throwDOMException(const ExceptionCode& ec, const String& message) 142 { 143 m_code = ec; 144 m_message = message; 145 } 146 147 void TrackExceptionState::throwTypeError(const String& message) 148 { 149 m_code = V8TypeError; 150 m_message = message; 151 } 152 153 void TrackExceptionState::throwSecurityError(const String& sanitizedMessage, const String&) 154 { 155 m_code = SecurityError; 156 m_message = sanitizedMessage; 157 } 158 159 void TrackExceptionState::throwRangeError(const String& message) 160 { 161 m_code = V8RangeError; 162 m_message = message; 163 } 164 165 String 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
