Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 390 insertions, 0 deletions

diff --git a/dom/base/FormData.cpp b/dom/base/FormData.cpp
new file mode 100644
index 0000000000..33be8f2232
--- /dev/null
+++ b/dom/base/FormData.cpp
@@ -0,0 +1,390 @@
+/* -*- 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 "FormData.h"
+#include "nsIInputStream.h"
+#include "mozilla/dom/File.h"
+#include "mozilla/dom/Directory.h"
+#include "mozilla/dom/HTMLFormElement.h"
+#include "mozilla/Encoding.h"
+#include "nsGenericHTMLElement.h"
+#include "nsQueryObject.h"
+
+#include "MultipartBlobImpl.h"
+
+using namespace mozilla;
+using namespace mozilla::dom;
+
+FormData::FormData(nsISupports* aOwner, NotNull<const Encoding*> aEncoding,
+                   Element* aSubmitter)
+    : HTMLFormSubmission(nullptr, u""_ns, aEncoding),
+      mOwner(aOwner),
+      mSubmitter(aSubmitter) {}
+
+FormData::FormData(const FormData& aFormData)
+    : HTMLFormSubmission(aFormData.mActionURL, aFormData.mTarget,
+                         aFormData.mEncoding) {
+  mOwner = aFormData.mOwner;
+  mSubmitter = aFormData.mSubmitter;
+  mFormData = aFormData.mFormData.Clone();
+}
+
+namespace {
+
+already_AddRefed<File> GetOrCreateFileCalledBlob(Blob& aBlob,
+                                                 ErrorResult& aRv) {
+  // If this is file, we can just use it
+  RefPtr<File> file = aBlob.ToFile();
+  if (file) {
+    return file.forget();
+  }
+
+  // Forcing 'blob' as filename
+  file = aBlob.ToFile(u"blob"_ns, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return nullptr;
+  }
+
+  return file.forget();
+}
+
+already_AddRefed<File> GetBlobForFormDataStorage(
+    Blob& aBlob, const Optional<nsAString>& aFilename, ErrorResult& aRv) {
+  // Forcing a filename
+  if (aFilename.WasPassed()) {
+    RefPtr<File> file = aBlob.ToFile(aFilename.Value(), aRv);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return nullptr;
+    }
+
+    return file.forget();
+  }
+
+  return GetOrCreateFileCalledBlob(aBlob, aRv);
+}
+
+}  // namespace
+
+// -------------------------------------------------------------------------
+// nsISupports
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(FormData)
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(FormData)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mOwner)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mSubmitter)
+
+  for (uint32_t i = 0, len = tmp->mFormData.Length(); i < len; ++i) {
+    ImplCycleCollectionUnlink(tmp->mFormData[i].value);
+  }
+
+  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(FormData)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mOwner)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mSubmitter)
+
+  for (uint32_t i = 0, len = tmp->mFormData.Length(); i < len; ++i) {
+    ImplCycleCollectionTraverse(cb, tmp->mFormData[i].value,
+                                "mFormData[i].GetAsBlob()", 0);
+  }
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(FormData)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(FormData)
+
+NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FormData)
+  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
+  NS_INTERFACE_MAP_ENTRY(nsISupports)
+NS_INTERFACE_MAP_END
+
+// -------------------------------------------------------------------------
+// HTMLFormSubmission
+nsresult FormData::GetEncodedSubmission(nsIURI* aURI,
+                                        nsIInputStream** aPostDataStream,
+                                        nsCOMPtr<nsIURI>& aOutURI) {
+  MOZ_ASSERT_UNREACHABLE("Shouldn't call FormData::GetEncodedSubmission");
+  return NS_OK;
+}
+
+void FormData::Append(const nsAString& aName, const nsAString& aValue,
+                      ErrorResult& aRv) {
+  AddNameValuePair(aName, aValue);
+}
+
+void FormData::Append(const nsAString& aName, Blob& aBlob,
+                      const Optional<nsAString>& aFilename, ErrorResult& aRv) {
+  RefPtr<File> file = GetBlobForFormDataStorage(aBlob, aFilename, aRv);
+  if (NS_WARN_IF(aRv.Failed())) {
+    return;
+  }
+
+  AddNameBlobPair(aName, file);
+}
+
+void FormData::Append(const nsAString& aName, Directory* aDirectory) {
+  AddNameDirectoryPair(aName, aDirectory);
+}
+
+void FormData::Append(const FormData& aFormData) {
+  for (uint32_t i = 0; i < aFormData.mFormData.Length(); ++i) {
+    mFormData.AppendElement(aFormData.mFormData[i]);
+  }
+}
+
+void FormData::Delete(const nsAString& aName) {
+  mFormData.RemoveElementsBy([&aName](const auto& formDataItem) {
+    return aName.Equals(formDataItem.name);
+  });
+}
+
+void FormData::Get(const nsAString& aName,
+                   Nullable<OwningBlobOrDirectoryOrUSVString>& aOutValue) {
+  for (uint32_t i = 0; i < mFormData.Length(); ++i) {
+    if (aName.Equals(mFormData[i].name)) {
+      aOutValue.SetValue() = mFormData[i].value;
+      return;
+    }
+  }
+
+  aOutValue.SetNull();
+}
+
+void FormData::GetAll(const nsAString& aName,
+                      nsTArray<OwningBlobOrDirectoryOrUSVString>& aValues) {
+  for (uint32_t i = 0; i < mFormData.Length(); ++i) {
+    if (aName.Equals(mFormData[i].name)) {
+      OwningBlobOrDirectoryOrUSVString* element = aValues.AppendElement();
+      *element = mFormData[i].value;
+    }
+  }
+}
+
+bool FormData::Has(const nsAString& aName) {
+  for (uint32_t i = 0; i < mFormData.Length(); ++i) {
+    if (aName.Equals(mFormData[i].name)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+nsresult FormData::AddNameBlobPair(const nsAString& aName, Blob* aBlob) {
+  MOZ_ASSERT(aBlob);
+
+  nsAutoString usvName(aName);
+  if (!NormalizeUSVString(usvName)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  RefPtr<File> file;
+  ErrorResult rv;
+  file = GetOrCreateFileCalledBlob(*aBlob, rv);
+  if (NS_WARN_IF(rv.Failed())) {
+    return rv.StealNSResult();
+  }
+
+  FormDataTuple* data = mFormData.AppendElement();
+  SetNameFilePair(data, usvName, file);
+  return NS_OK;
+}
+
+nsresult FormData::AddNameDirectoryPair(const nsAString& aName,
+                                        Directory* aDirectory) {
+  MOZ_ASSERT(aDirectory);
+
+  nsAutoString usvName(aName);
+  if (!NormalizeUSVString(usvName)) {
+    return NS_ERROR_OUT_OF_MEMORY;
+  }
+
+  FormDataTuple* data = mFormData.AppendElement();
+  SetNameDirectoryPair(data, usvName, aDirectory);
+  return NS_OK;
+}
+
+FormData::FormDataTuple* FormData::RemoveAllOthersAndGetFirstFormDataTuple(
+    const nsAString& aName) {
+  FormDataTuple* lastFoundTuple = nullptr;
+  uint32_t lastFoundIndex = mFormData.Length();
+  // We have to use this slightly awkward for loop since uint32_t >= 0 is an
+  // error for being always true.
+  for (uint32_t i = mFormData.Length(); i-- > 0;) {
+    if (aName.Equals(mFormData[i].name)) {
+      if (lastFoundTuple) {
+        // The one we found earlier was not the first one, we can remove it.
+        mFormData.RemoveElementAt(lastFoundIndex);
+      }
+
+      lastFoundTuple = &mFormData[i];
+      lastFoundIndex = i;
+    }
+  }
+
+  return lastFoundTuple;
+}
+
+void FormData::Set(const nsAString& aName, Blob& aBlob,
+                   const Optional<nsAString>& aFilename, ErrorResult& aRv) {
+  FormDataTuple* tuple = RemoveAllOthersAndGetFirstFormDataTuple(aName);
+  if (tuple) {
+    RefPtr<File> file = GetBlobForFormDataStorage(aBlob, aFilename, aRv);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return;
+    }
+
+    SetNameFilePair(tuple, aName, file);
+  } else {
+    Append(aName, aBlob, aFilename, aRv);
+  }
+}
+
+void FormData::Set(const nsAString& aName, const nsAString& aValue,
+                   ErrorResult& aRv) {
+  FormDataTuple* tuple = RemoveAllOthersAndGetFirstFormDataTuple(aName);
+  if (tuple) {
+    SetNameValuePair(tuple, aName, aValue);
+  } else {
+    Append(aName, aValue, aRv);
+  }
+}
+
+uint32_t FormData::GetIterableLength() const { return mFormData.Length(); }
+
+const nsAString& FormData::GetKeyAtIndex(uint32_t aIndex) const {
+  MOZ_ASSERT(aIndex < mFormData.Length());
+  return mFormData[aIndex].name;
+}
+
+const OwningBlobOrDirectoryOrUSVString& FormData::GetValueAtIndex(
+    uint32_t aIndex) const {
+  MOZ_ASSERT(aIndex < mFormData.Length());
+  return mFormData[aIndex].value;
+}
+
+void FormData::SetNameValuePair(FormDataTuple* aData, const nsAString& aName,
+                                const nsAString& aValue) {
+  MOZ_ASSERT(aData);
+  aData->name = aName;
+  aData->value.SetAsUSVString() = aValue;
+}
+
+void FormData::SetNameFilePair(FormDataTuple* aData, const nsAString& aName,
+                               File* aFile) {
+  MOZ_ASSERT(aData);
+  MOZ_ASSERT(aFile);
+
+  aData->name = aName;
+  aData->value.SetAsBlob() = aFile;
+}
+
+void FormData::SetNameDirectoryPair(FormDataTuple* aData,
+                                    const nsAString& aName,
+                                    Directory* aDirectory) {
+  MOZ_ASSERT(aData);
+  MOZ_ASSERT(aDirectory);
+
+  aData->name = aName;
+  aData->value.SetAsDirectory() = aDirectory;
+}
+
+/* virtual */
+JSObject* FormData::WrapObject(JSContext* aCx,
+                               JS::Handle<JSObject*> aGivenProto) {
+  return FormData_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+// https://xhr.spec.whatwg.org/#dom-formdata
+/* static */
+already_AddRefed<FormData> FormData::Constructor(
+    const GlobalObject& aGlobal,
+    const Optional<NonNull<HTMLFormElement> >& aFormElement,
+    nsGenericHTMLElement* aSubmitter, ErrorResult& aRv) {
+  RefPtr<FormData> formData;
+  // 1. If form is given, then:
+  if (aFormElement.WasPassed()) {
+    // 1.1. If submitter is non-null, then:
+    if (aSubmitter) {
+      nsCOMPtr<nsIFormControl> fc = do_QueryObject(aSubmitter);
+
+      // 1.1.1. If submitter is not a submit button, then throw a TypeError.
+      if (!fc || !fc->IsSubmitControl()) {
+        aRv.ThrowTypeError("The submitter is not a submit button.");
+        return nullptr;
+      }
+
+      // 1.1.2. If submitter's form owner is not this form element, then throw a
+      //      "NotFoundError" DOMException.
+      if (fc->GetForm() != &aFormElement.Value()) {
+        aRv.ThrowNotFoundError("The submitter is not owned by this form.");
+        return nullptr;
+      }
+    }
+
+    // 1.2. Let list be the result of constructing the entry list for form and
+    // submitter.
+    formData =
+        new FormData(aGlobal.GetAsSupports(), UTF_8_ENCODING, aSubmitter);
+    aRv = aFormElement.Value().ConstructEntryList(formData);
+    if (NS_WARN_IF(aRv.Failed())) {
+      return nullptr;
+    }
+
+    // Step 9. Return a shallow clone of entry list.
+    // https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#constructing-form-data-set
+    formData = formData->Clone();
+  } else {
+    formData = new FormData(aGlobal.GetAsSupports());
+  }
+
+  return formData.forget();
+}
+
+// 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 FormData::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
+                               nsACString& aContentTypeWithCharset,
+                               nsACString& aCharset) const {
+  FSMultipartFormData fs(nullptr, u""_ns, UTF_8_ENCODING, nullptr);
+  nsresult rv = CopySubmissionDataTo(&fs);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  fs.GetContentType(aContentTypeWithCharset);
+  aCharset.Truncate();
+  *aContentLength = 0;
+  NS_ADDREF(*aBody = fs.GetSubmissionBody(aContentLength));
+
+  return NS_OK;
+}
+
+already_AddRefed<FormData> FormData::Clone() {
+  RefPtr<FormData> formData = new FormData(*this);
+  return formData.forget();
+}
+
+nsresult FormData::CopySubmissionDataTo(
+    HTMLFormSubmission* aFormSubmission) const {
+  MOZ_ASSERT(aFormSubmission, "Must have FormSubmission!");
+  for (size_t i = 0; i < mFormData.Length(); ++i) {
+    if (mFormData[i].value.IsUSVString()) {
+      aFormSubmission->AddNameValuePair(mFormData[i].name,
+                                        mFormData[i].value.GetAsUSVString());
+    } else if (mFormData[i].value.IsBlob()) {
+      aFormSubmission->AddNameBlobPair(mFormData[i].name,
+                                       mFormData[i].value.GetAsBlob());
+    } else {
+      MOZ_ASSERT(mFormData[i].value.IsDirectory());
+      aFormSubmission->AddNameDirectoryPair(
+          mFormData[i].name, mFormData[i].value.GetAsDirectory());
+    }
+  }
+
+  return NS_OK;
+}