2012-05-21 04:12:37 -07:00
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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2010-02-24 21:58:18 -08:00
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#include "nsFormData.h"
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#include "nsIVariant.h"
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#include "nsIInputStream.h"
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2010-09-05 11:00:05 -07:00
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#include "nsIDOMFile.h"
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2010-02-24 21:58:18 -08:00
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#include "nsContentUtils.h"
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#include "nsHTMLFormElement.h"
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nsFormData::nsFormData()
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2012-07-30 07:20:58 -07:00
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: nsFormSubmission(NS_LITERAL_CSTRING("UTF-8"), nullptr)
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2010-02-24 21:58:18 -08:00
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{
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}
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// -------------------------------------------------------------------------
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// nsISupports
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2010-01-12 05:08:43 -08:00
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DOMCI_DATA(FormData, nsFormData)
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2010-02-24 21:58:18 -08:00
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NS_IMPL_ADDREF(nsFormData)
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NS_IMPL_RELEASE(nsFormData)
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NS_INTERFACE_MAP_BEGIN(nsFormData)
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NS_INTERFACE_MAP_ENTRY(nsIDOMFormData)
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NS_INTERFACE_MAP_ENTRY(nsIXHRSendable)
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NS_INTERFACE_MAP_ENTRY(nsIJSNativeInitializer)
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NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(FormData)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFormData)
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NS_INTERFACE_MAP_END
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// -------------------------------------------------------------------------
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// nsFormSubmission
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nsresult
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nsFormData::GetEncodedSubmission(nsIURI* aURI,
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nsIInputStream** aPostDataStream)
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{
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NS_NOTREACHED("Shouldn't call nsFormData::GetEncodedSubmission");
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return NS_OK;
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}
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nsresult
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nsFormData::AddNameValuePair(const nsAString& aName,
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const nsAString& aValue)
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{
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FormDataTuple* data = mFormData.AppendElement();
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data->name = aName;
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data->stringValue = aValue;
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data->valueIsFile = false;
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return NS_OK;
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}
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nsresult
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nsFormData::AddNameFilePair(const nsAString& aName,
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nsIDOMBlob* aBlob)
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{
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FormDataTuple* data = mFormData.AppendElement();
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data->name = aName;
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data->fileValue = aBlob;
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data->valueIsFile = true;
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return NS_OK;
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}
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// -------------------------------------------------------------------------
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// nsIDOMFormData
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NS_IMETHODIMP
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nsFormData::Append(const nsAString& aName, nsIVariant* aValue)
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{
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uint16_t dataType;
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nsresult rv = aValue->GetDataType(&dataType);
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NS_ENSURE_SUCCESS(rv, rv);
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if (dataType == nsIDataType::VTYPE_INTERFACE ||
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dataType == nsIDataType::VTYPE_INTERFACE_IS) {
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nsCOMPtr<nsISupports> supports;
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nsID *iid;
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rv = aValue->GetAsInterface(&iid, getter_AddRefs(supports));
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NS_ENSURE_SUCCESS(rv, rv);
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nsMemory::Free(iid);
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nsCOMPtr<nsIDOMBlob> domBlob = do_QueryInterface(supports);
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if (domBlob) {
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return AddNameFilePair(aName, domBlob);
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}
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}
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PRUnichar* stringData = nullptr;
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uint32_t stringLen = 0;
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rv = aValue->GetAsWStringWithSize(&stringLen, &stringData);
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NS_ENSURE_SUCCESS(rv, rv);
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nsString valAsString;
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valAsString.Adopt(stringData, stringLen);
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return AddNameValuePair(aName, valAsString);
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}
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// -------------------------------------------------------------------------
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// nsIXHRSendable
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NS_IMETHODIMP
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nsFormData::GetSendInfo(nsIInputStream** aBody, uint64_t* aContentLength,
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nsACString& aContentType, nsACString& aCharset)
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{
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nsFSMultipartFormData fs(NS_LITERAL_CSTRING("UTF-8"), nullptr);
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2012-08-22 08:56:38 -07:00
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for (uint32_t i = 0; i < mFormData.Length(); ++i) {
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if (mFormData[i].valueIsFile) {
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fs.AddNameFilePair(mFormData[i].name, mFormData[i].fileValue);
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}
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else {
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fs.AddNameValuePair(mFormData[i].name, mFormData[i].stringValue);
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}
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}
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fs.GetContentType(aContentType);
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aCharset.Truncate();
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*aContentLength = 0;
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NS_ADDREF(*aBody = fs.GetSubmissionBody(aContentLength));
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return NS_OK;
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}
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// -------------------------------------------------------------------------
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// nsIJSNativeInitializer
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NS_IMETHODIMP
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nsFormData::Initialize(nsISupports* aOwner,
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JSContext* aCx,
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JSObject* aObj,
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uint32_t aArgc,
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jsval* aArgv)
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{
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if (aArgc > 0) {
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if (JSVAL_IS_PRIMITIVE(aArgv[0])) {
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return NS_ERROR_UNEXPECTED;
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}
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nsCOMPtr<nsIContent> formCont = do_QueryInterface(
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nsContentUtils::XPConnect()->
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GetNativeOfWrapper(aCx, JSVAL_TO_OBJECT(aArgv[0])));
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if (!formCont || !formCont->IsHTML(nsGkAtoms::form)) {
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return NS_ERROR_UNEXPECTED;
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}
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nsresult rv = static_cast<nsHTMLFormElement*>(formCont.get())->
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WalkFormElements(this);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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return NS_OK;
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}
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