1 | /* |
2 | * Copyright (C) 2016 Canon Inc. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted, provided that the following conditions |
6 | * are required to be met: |
7 | * |
8 | * 1. Redistributions of source code must retain the above copyright |
9 | * notice, this list of conditions and the following disclaimer. |
10 | * 2. Redistributions in binary form must reproduce the above copyright |
11 | * notice, this list of conditions and the following disclaimer in the |
12 | * documentation and/or other materials provided with the distribution. |
13 | * 3. Neither the name of Canon Inc. nor the names of |
14 | * its contributors may be used to endorse or promote products derived |
15 | * from this software without specific prior written permission. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY CANON INC. AND ITS CONTRIBUTORS "AS IS" AND ANY |
18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
20 | * DISCLAIMED. IN NO EVENT SHALL CANON INC. AND ITS CONTRIBUTORS BE LIABLE FOR |
21 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
23 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
24 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
25 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #pragma once |
30 | |
31 | #include "DOMFormData.h" |
32 | #include "FetchBodyConsumer.h" |
33 | #include "FormData.h" |
34 | #include "JSDOMPromiseDeferred.h" |
35 | #include "ReadableStream.h" |
36 | #include "URLSearchParams.h" |
37 | #include <wtf/Variant.h> |
38 | |
39 | namespace WebCore { |
40 | |
41 | class FetchBodyOwner; |
42 | class FetchBodySource; |
43 | class ScriptExecutionContext; |
44 | |
45 | class FetchBody { |
46 | public: |
47 | void arrayBuffer(FetchBodyOwner&, Ref<DeferredPromise>&&); |
48 | void blob(FetchBodyOwner&, Ref<DeferredPromise>&&, const String&); |
49 | void json(FetchBodyOwner&, Ref<DeferredPromise>&&); |
50 | void text(FetchBodyOwner&, Ref<DeferredPromise>&&); |
51 | void formData(FetchBodyOwner&, Ref<DeferredPromise>&& promise) { promise.get().reject(NotSupportedError); } |
52 | |
53 | #if ENABLE(STREAMS_API) |
54 | void consumeAsStream(FetchBodyOwner&, FetchBodySource&); |
55 | #endif |
56 | |
57 | using Init = Variant<RefPtr<Blob>, RefPtr<ArrayBufferView>, RefPtr<ArrayBuffer>, RefPtr<DOMFormData>, RefPtr<URLSearchParams>, RefPtr<ReadableStream>, String>; |
58 | static FetchBody extract(ScriptExecutionContext&, Init&&, String&); |
59 | FetchBody() = default; |
60 | |
61 | WEBCORE_EXPORT static Optional<FetchBody> fromFormData(FormData&); |
62 | |
63 | void loadingFailed(const Exception&); |
64 | void loadingSucceeded(); |
65 | |
66 | RefPtr<FormData> bodyAsFormData(ScriptExecutionContext&) const; |
67 | |
68 | using TakenData = Variant<std::nullptr_t, Ref<FormData>, Ref<SharedBuffer>>; |
69 | TakenData take(); |
70 | |
71 | void setAsFormData(Ref<FormData>&& data) { m_data = WTFMove(data); } |
72 | FetchBodyConsumer& consumer() { return m_consumer; } |
73 | |
74 | void consumeOnceLoadingFinished(FetchBodyConsumer::Type, Ref<DeferredPromise>&&, const String&); |
75 | void cleanConsumer() { m_consumer.clean(); } |
76 | |
77 | FetchBody clone(); |
78 | |
79 | bool hasReadableStream() const { return !!m_readableStream; } |
80 | const ReadableStream* readableStream() const { return m_readableStream.get(); } |
81 | ReadableStream* readableStream() { return m_readableStream.get(); } |
82 | void setReadableStream(Ref<ReadableStream>&& stream) |
83 | { |
84 | ASSERT(!m_readableStream); |
85 | m_readableStream = WTFMove(stream); |
86 | } |
87 | |
88 | bool isBlob() const { return WTF::holds_alternative<Ref<const Blob>>(m_data); } |
89 | bool isFormData() const { return WTF::holds_alternative<Ref<FormData>>(m_data); } |
90 | |
91 | private: |
92 | explicit FetchBody(Ref<const Blob>&& data) : m_data(WTFMove(data)) { } |
93 | explicit FetchBody(Ref<const ArrayBuffer>&& data) : m_data(WTFMove(data)) { } |
94 | explicit FetchBody(Ref<const ArrayBufferView>&& data) : m_data(WTFMove(data)) { } |
95 | explicit FetchBody(Ref<FormData>&& data) : m_data(WTFMove(data)) { } |
96 | explicit FetchBody(String&& data) : m_data(WTFMove(data)) { } |
97 | explicit FetchBody(Ref<const URLSearchParams>&& data) : m_data(WTFMove(data)) { } |
98 | explicit FetchBody(const FetchBodyConsumer& consumer) : m_consumer(consumer) { } |
99 | explicit FetchBody(Ref<ReadableStream>&& stream) : m_readableStream(WTFMove(stream)) { } |
100 | |
101 | void consume(FetchBodyOwner&, Ref<DeferredPromise>&&); |
102 | |
103 | void consumeArrayBuffer(Ref<DeferredPromise>&&); |
104 | void consumeArrayBufferView(Ref<DeferredPromise>&&); |
105 | void consumeText(Ref<DeferredPromise>&&, const String&); |
106 | void consumeBlob(FetchBodyOwner&, Ref<DeferredPromise>&&); |
107 | |
108 | bool isArrayBuffer() const { return WTF::holds_alternative<Ref<const ArrayBuffer>>(m_data); } |
109 | bool isArrayBufferView() const { return WTF::holds_alternative<Ref<const ArrayBufferView>>(m_data); } |
110 | bool isURLSearchParams() const { return WTF::holds_alternative<Ref<const URLSearchParams>>(m_data); } |
111 | bool isText() const { return WTF::holds_alternative<String>(m_data); } |
112 | |
113 | const Blob& blobBody() const { return WTF::get<Ref<const Blob>>(m_data).get(); } |
114 | FormData& formDataBody() { return WTF::get<Ref<FormData>>(m_data).get(); } |
115 | const FormData& formDataBody() const { return WTF::get<Ref<FormData>>(m_data).get(); } |
116 | const ArrayBuffer& arrayBufferBody() const { return WTF::get<Ref<const ArrayBuffer>>(m_data).get(); } |
117 | const ArrayBufferView& arrayBufferViewBody() const { return WTF::get<Ref<const ArrayBufferView>>(m_data).get(); } |
118 | String& textBody() { return WTF::get<String>(m_data); } |
119 | const String& textBody() const { return WTF::get<String>(m_data); } |
120 | const URLSearchParams& urlSearchParamsBody() const { return WTF::get<Ref<const URLSearchParams>>(m_data).get(); } |
121 | |
122 | using Data = Variant<std::nullptr_t, Ref<const Blob>, Ref<FormData>, Ref<const ArrayBuffer>, Ref<const ArrayBufferView>, Ref<const URLSearchParams>, String>; |
123 | Data m_data { nullptr }; |
124 | |
125 | FetchBodyConsumer m_consumer { FetchBodyConsumer::Type::None }; |
126 | RefPtr<ReadableStream> m_readableStream; |
127 | }; |
128 | |
129 | } // namespace WebCore |
130 | |