summaryrefslogtreecommitdiffstats
path: root/dom/url/URLSearchParams.cpp
blob: c141766e8321e2343a0e8741fb2d6f4778880eb3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/dom/URLSearchParams.h"

// XXX encoding_rs.h is not self-contained, this order is required
#include "mozilla/Encoding.h"
#include "encoding_rs.h"

#include <new>
#include <type_traits>
#include <utility>
#include "js/StructuredClone.h"
#include "mozilla/ArrayIterator.h"
#include "mozilla/Attributes.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/MacroForEach.h"
#include "mozilla/NotNull.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/Record.h"
#include "mozilla/dom/StructuredCloneHolder.h"
#include "mozilla/dom/URLSearchParamsBinding.h"
#include "mozilla/fallible.h"
#include "nsDOMString.h"
#include "nsError.h"
#include "nsIGlobalObject.h"
#include "nsLiteralString.h"
#include "nsPrintfCString.h"
#include "nsString.h"
#include "nsStringFlags.h"
#include "nsStringIterator.h"
#include "nsStringStream.h"
#include "nsURLHelper.h"

namespace mozilla::dom {

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(URLSearchParams, mParent, mObserver)
NS_IMPL_CYCLE_COLLECTING_ADDREF(URLSearchParams)
NS_IMPL_CYCLE_COLLECTING_RELEASE(URLSearchParams)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(URLSearchParams)
  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END

URLSearchParams::URLSearchParams(nsISupports* aParent,
                                 URLSearchParamsObserver* aObserver)
    : mParams(new URLParams()), mParent(aParent), mObserver(aObserver) {}

URLSearchParams::~URLSearchParams() { DeleteAll(); }

JSObject* URLSearchParams::WrapObject(JSContext* aCx,
                                      JS::Handle<JSObject*> aGivenProto) {
  return URLSearchParams_Binding::Wrap(aCx, this, aGivenProto);
}

/* static */
already_AddRefed<URLSearchParams> URLSearchParams::Constructor(
    const GlobalObject& aGlobal,
    const UTF8StringSequenceSequenceOrUTF8StringUTF8StringRecordOrUTF8String&
        aInit,
    ErrorResult& aRv) {
  RefPtr<URLSearchParams> sp =
      new URLSearchParams(aGlobal.GetAsSupports(), nullptr);

  if (aInit.IsUTF8String()) {
    const auto& input = aInit.GetAsUTF8String();
    if (StringBeginsWith(input, "?"_ns)) {
      sp->ParseInput(Substring(input, 1, input.Length() - 1));
    } else {
      sp->ParseInput(input);
    }
  } else if (aInit.IsUTF8StringSequenceSequence()) {
    const Sequence<Sequence<nsCString>>& list =
        aInit.GetAsUTF8StringSequenceSequence();
    for (uint32_t i = 0; i < list.Length(); ++i) {
      const Sequence<nsCString>& item = list[i];
      if (item.Length() != 2) {
        nsPrintfCString err("Expected 2 items in pair but got %zu",
                            item.Length());
        aRv.ThrowTypeError(err);
        return nullptr;
      }
      sp->Append(item[0], item[1]);
    }
  } else if (aInit.IsUTF8StringUTF8StringRecord()) {
    const Record<nsCString, nsCString>& record =
        aInit.GetAsUTF8StringUTF8StringRecord();
    for (auto& entry : record.Entries()) {
      sp->Append(entry.mKey, entry.mValue);
    }
  } else {
    MOZ_CRASH("This should not happen.");
  }

  return sp.forget();
}

void URLSearchParams::ParseInput(const nsACString& aInput) {
  mParams->ParseInput(aInput);
}

uint32_t URLSearchParams::Size() const { return mParams->Length(); }

void URLSearchParams::Get(const nsACString& aName, nsACString& aRetval) {
  return mParams->Get(aName, aRetval);
}

void URLSearchParams::GetAll(const nsACString& aName,
                             nsTArray<nsCString>& aRetval) {
  return mParams->GetAll(aName, aRetval);
}

void URLSearchParams::Set(const nsACString& aName, const nsACString& aValue) {
  mParams->Set(aName, aValue);
  NotifyObserver();
}

void URLSearchParams::Append(const nsACString& aName,
                             const nsACString& aValue) {
  mParams->Append(aName, aValue);
  NotifyObserver();
}

bool URLSearchParams::Has(const nsACString& aName,
                          const Optional<nsACString>& aValue) {
  if (!aValue.WasPassed()) {
    return mParams->Has(aName);
  }
  return mParams->Has(aName, aValue.Value());
}

void URLSearchParams::Delete(const nsACString& aName,
                             const Optional<nsACString>& aValue) {
  if (!aValue.WasPassed()) {
    mParams->Delete(aName);
    NotifyObserver();
    return;
  }
  mParams->Delete(aName, aValue.Value());
  NotifyObserver();
}

void URLSearchParams::DeleteAll() { mParams->DeleteAll(); }

void URLSearchParams::Serialize(nsACString& aValue) const {
  mParams->Serialize(aValue, true);
}

// TODO(emilio): Allow stringifier attributes with CString return values.
void URLSearchParams::Stringify(nsAString& aValue) const {
  nsAutoCString serialized;
  mParams->Serialize(serialized, true);
  CopyUTF8toUTF16(serialized, aValue);
}

void URLSearchParams::NotifyObserver() {
  if (mObserver) {
    mObserver->URLSearchParamsUpdated(this);
  }
}

uint32_t URLSearchParams::GetIterableLength() const {
  return mParams->Length();
}

const nsACString& URLSearchParams::GetKeyAtIndex(uint32_t aIndex) const {
  return mParams->GetKeyAtIndex(aIndex);
}

const nsACString& URLSearchParams::GetValueAtIndex(uint32_t aIndex) const {
  return mParams->GetValueAtIndex(aIndex);
}

void URLSearchParams::Sort(ErrorResult& aRv) {
  mParams->Sort();
  NotifyObserver();
}

// contentTypeWithCharset can be set to the contentType or
// contentType+charset based on what the spec says.
// See: https://fetch.spec.whatwg.org/#concept-bodyinit-extract
nsresult URLSearchParams::GetSendInfo(nsIInputStream** aBody,
                                      uint64_t* aContentLength,
                                      nsACString& aContentTypeWithCharset,
                                      nsACString& aCharset) const {
  aContentTypeWithCharset.AssignLiteral(
      "application/x-www-form-urlencoded;charset=UTF-8");
  aCharset.AssignLiteral("UTF-8");

  nsAutoCString serialized;
  Serialize(serialized);
  *aContentLength = serialized.Length();
  return NS_NewCStringInputStream(aBody, std::move(serialized));
}

}  // namespace mozilla::dom