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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/core/v8/V8File.h"
33 
34 #include "bindings/core/v8/ExceptionState.h"
35 #include "bindings/core/v8/custom/V8BlobCustomHelpers.h"
36 
37 namespace blink {
38 
constructorCustom(const v8::FunctionCallbackInfo<v8::Value> & info)39 void V8File::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
40 {
41     ExceptionState exceptionState(ExceptionState::ConstructionContext, "File", info.Holder(), info.GetIsolate());
42 
43     if (info.Length() < 2) {
44         exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
45         exceptionState.throwIfNeeded();
46         return;
47     }
48 
49     // FIXME: handle sequences based on ES6 @@iterator, see http://crbug.com/393866
50     if (!info[0]->IsArray()) {
51         exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(1, "Array"));
52         exceptionState.throwIfNeeded();
53         return;
54     }
55 
56     TOSTRING_VOID(V8StringResource<>, fileName, info[1]);
57 
58     V8BlobCustomHelpers::ParsedProperties properties(true);
59     if (info.Length() > 2) {
60         if (!info[2]->IsObject()) {
61             exceptionState.throwTypeError("The 3rd argument is not of type Object.");
62             exceptionState.throwIfNeeded();
63             return;
64         }
65 
66         if (!properties.parseBlobPropertyBag(info[2], "File", exceptionState, info.GetIsolate())) {
67             exceptionState.throwIfNeeded();
68             return;
69         }
70     } else {
71         properties.setDefaultLastModified();
72     }
73 
74     OwnPtr<BlobData> blobData = BlobData::create();
75     blobData->setContentType(properties.contentType());
76     v8::Local<v8::Object> blobParts = v8::Local<v8::Object>::Cast(info[0]);
77     if (!V8BlobCustomHelpers::processBlobParts(blobParts, properties.normalizeLineEndingsToNative(), *blobData, info.GetIsolate()))
78         return;
79 
80     long long fileSize = blobData->length();
81     RefPtrWillBeRawPtr<File> file = File::create(fileName, properties.lastModified(), BlobDataHandle::create(blobData.release(), fileSize));
82     v8SetReturnValue(info, file.release());
83 }
84 
85 } // namespace blink
86