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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/base/FormData.cpp
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/base/FormData.cpp')
-rw-r--r--dom/base/FormData.cpp390
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;
+}