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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/custom/V8BlobCustomHelpers.h" | |
33 | |
34 #include "bindings/core/v8/V8Blob.h" | |
35 #include "bindings/v8/Dictionary.h" | |
36 #include "bindings/v8/ExceptionState.h" | |
37 #include "bindings/v8/V8Binding.h" | |
38 #include "bindings/v8/custom/V8ArrayBufferCustom.h" | |
39 #include "bindings/v8/custom/V8ArrayBufferViewCustom.h" | |
40 #include "wtf/DateMath.h" | |
41 | |
42 namespace WebCore { | |
43 | |
44 namespace V8BlobCustomHelpers { | |
45 | |
46 ParsedProperties::ParsedProperties(bool hasFileProperties) | |
47 : m_normalizeLineEndingsToNative(false) | |
48 , m_hasFileProperties(hasFileProperties) | |
49 #ifndef NDEBUG | |
50 , m_hasLastModified(false) | |
51 #endif // NDEBUG | |
52 { | |
53 } | |
54 | |
55 void ParsedProperties::setLastModified(double lastModified) | |
56 { | |
57 ASSERT(m_hasFileProperties); | |
58 ASSERT(!m_hasLastModified); | |
59 m_lastModified = lastModified; | |
60 #ifndef NDEBUG | |
61 m_hasLastModified = true; | |
62 #endif // NDEBUG | |
63 } | |
64 | |
65 void ParsedProperties::setDefaultLastModified() | |
66 { | |
67 setLastModified(currentTime()); | |
68 } | |
69 | |
70 bool ParsedProperties::parseBlobPropertyBag(v8::Local<v8::Value> propertyBag, co
nst char* blobClassName, ExceptionState& exceptionState, v8::Isolate* isolate) | |
71 { | |
72 TONATIVE_DEFAULT(Dictionary, dictionary, Dictionary(propertyBag, isolate), f
alse); | |
73 | |
74 String endings; | |
75 TONATIVE_DEFAULT(bool, containsEndings, dictionary.get("endings", endings),
false); | |
76 if (containsEndings) { | |
77 if (endings != "transparent" && endings != "native") { | |
78 exceptionState.throwTypeError("The 'endings' property must be either
'transparent' or 'native'."); | |
79 return false; | |
80 } | |
81 if (endings == "native") | |
82 m_normalizeLineEndingsToNative = true; | |
83 } | |
84 | |
85 TONATIVE_DEFAULT(bool, containsType, dictionary.get("type", m_contentType),
false); | |
86 if (containsType) { | |
87 if (!m_contentType.containsOnlyASCII()) { | |
88 exceptionState.throwDOMException(SyntaxError, "The 'type' property m
ust consist of ASCII characters."); | |
89 return false; | |
90 } | |
91 m_contentType = m_contentType.lower(); | |
92 } | |
93 | |
94 if (!m_hasFileProperties) | |
95 return true; | |
96 | |
97 v8::Local<v8::Value> lastModified; | |
98 TONATIVE_DEFAULT(bool, containsLastModified, dictionary.get("lastModified",
lastModified), false); | |
99 if (containsLastModified) { | |
100 TONATIVE_DEFAULT(long long, lastModifiedInt, toInt64(lastModified), fals
e); | |
101 setLastModified(static_cast<double>(lastModifiedInt) / msPerSecond); | |
102 } else { | |
103 setDefaultLastModified(); | |
104 } | |
105 | |
106 return true; | |
107 } | |
108 | |
109 bool processBlobParts(v8::Local<v8::Object> blobParts, uint32_t blobPartsLength,
bool normalizeLineEndingsToNative, BlobData& blobData, v8::Isolate* isolate) | |
110 { | |
111 for (uint32_t i = 0; i < blobPartsLength; ++i) { | |
112 v8::Local<v8::Value> item = blobParts->Get(v8::Uint32::New(isolate, i)); | |
113 if (item.IsEmpty()) | |
114 return false; | |
115 | |
116 if (V8ArrayBuffer::hasInstance(item, isolate)) { | |
117 ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(v8::Handle<v8::Ob
ject>::Cast(item)); | |
118 ASSERT(arrayBuffer); | |
119 blobData.appendArrayBuffer(arrayBuffer); | |
120 } else if (V8ArrayBufferView::hasInstance(item, isolate)) { | |
121 ArrayBufferView* arrayBufferView = V8ArrayBufferView::toNative(v8::H
andle<v8::Object>::Cast(item)); | |
122 ASSERT(arrayBufferView); | |
123 blobData.appendArrayBufferView(arrayBufferView); | |
124 } else if (V8Blob::hasInstance(item, isolate)) { | |
125 Blob* blob = V8Blob::toNative(v8::Handle<v8::Object>::Cast(item)); | |
126 ASSERT(blob); | |
127 blob->appendTo(blobData); | |
128 } else { | |
129 TOSTRING_DEFAULT(V8StringResource<>, stringValue, item, false); | |
130 blobData.appendText(stringValue, normalizeLineEndingsToNative); | |
131 } | |
132 } | |
133 return true; | |
134 } | |
135 | |
136 } // namespace V8BlobCustomHelpers | |
137 | |
138 } // namespace WebCore | |
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