michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0: #include "GonkPermission.h"
michael@0: #include "mozilla/dom/ContentParent.h"
michael@0: #endif // MOZ_WIDGET_GONK
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIDOMElement.h"
michael@0: #include "nsIPrincipal.h"
michael@0: #include "mozilla/dom/Element.h"
michael@0: #include "mozilla/dom/PContentPermission.h"
michael@0: #include "mozilla/dom/PermissionMessageUtils.h"
michael@0: #include "mozilla/dom/PContentPermissionRequestParent.h"
michael@0: #include "mozilla/dom/TabParent.h"
michael@0: #include "mozilla/unused.h"
michael@0: #include "nsComponentManagerUtils.h"
michael@0: #include "nsArrayUtils.h"
michael@0: #include "nsIMutableArray.h"
michael@0: #include "nsContentPermissionHelper.h"
michael@0: #include "nsCxPusher.h"
michael@0: #include "nsJSUtils.h"
michael@0: #include "nsISupportsPrimitives.h"
michael@0: 
michael@0: using mozilla::unused;          // <snicker>
michael@0: using namespace mozilla::dom;
michael@0: using namespace mozilla;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: class ContentPermissionRequestParent : public PContentPermissionRequestParent
michael@0: {
michael@0:  public:
michael@0:   ContentPermissionRequestParent(const nsTArray<PermissionRequest>& aRequests,
michael@0:                                  Element* element,
michael@0:                                  const IPC::Principal& principal);
michael@0:   virtual ~ContentPermissionRequestParent();
michael@0: 
michael@0:   bool IsBeingDestroyed();
michael@0: 
michael@0:   nsCOMPtr<nsIPrincipal> mPrincipal;
michael@0:   nsCOMPtr<Element> mElement;
michael@0:   nsRefPtr<nsContentPermissionRequestProxy> mProxy;
michael@0:   nsTArray<PermissionRequest> mRequests;
michael@0: 
michael@0:  private:
michael@0:   virtual bool Recvprompt();
michael@0:   virtual void ActorDestroy(ActorDestroyReason why);
michael@0: };
michael@0: 
michael@0: ContentPermissionRequestParent::ContentPermissionRequestParent(const nsTArray<PermissionRequest>& aRequests,
michael@0:                                                                Element* aElement,
michael@0:                                                                const IPC::Principal& aPrincipal)
michael@0: {
michael@0:   MOZ_COUNT_CTOR(ContentPermissionRequestParent);
michael@0: 
michael@0:   mPrincipal = aPrincipal;
michael@0:   mElement   = aElement;
michael@0:   mRequests  = aRequests;
michael@0: }
michael@0: 
michael@0: ContentPermissionRequestParent::~ContentPermissionRequestParent()
michael@0: {
michael@0:   MOZ_COUNT_DTOR(ContentPermissionRequestParent);
michael@0: }
michael@0: 
michael@0: bool
michael@0: ContentPermissionRequestParent::Recvprompt()
michael@0: {
michael@0:   mProxy = new nsContentPermissionRequestProxy();
michael@0:   NS_ASSERTION(mProxy, "Alloc of request proxy failed");
michael@0:   if (NS_FAILED(mProxy->Init(mRequests, this))) {
michael@0:     mProxy->Cancel();
michael@0:   }
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: void
michael@0: ContentPermissionRequestParent::ActorDestroy(ActorDestroyReason why)
michael@0: {
michael@0:   if (mProxy) {
michael@0:     mProxy->OnParentDestroyed();
michael@0:   }
michael@0: }
michael@0: 
michael@0: bool
michael@0: ContentPermissionRequestParent::IsBeingDestroyed()
michael@0: {
michael@0:   // When TabParent::Destroy() is called, we are being destroyed. It's unsafe
michael@0:   // to send out any message now.
michael@0:   TabParent* tabParent = static_cast<TabParent*>(Manager());
michael@0:   return tabParent->IsDestroyed();
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(ContentPermissionType, nsIContentPermissionType)
michael@0: 
michael@0: ContentPermissionType::ContentPermissionType(const nsACString& aType,
michael@0:                                              const nsACString& aAccess,
michael@0:                                              const nsTArray<nsString>& aOptions)
michael@0: {
michael@0:   mType = aType;
michael@0:   mAccess = aAccess;
michael@0:   mOptions = aOptions;
michael@0: }
michael@0: 
michael@0: ContentPermissionType::~ContentPermissionType()
michael@0: {
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: ContentPermissionType::GetType(nsACString& aType)
michael@0: {
michael@0:   aType = mType;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: ContentPermissionType::GetAccess(nsACString& aAccess)
michael@0: {
michael@0:   aAccess = mAccess;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: ContentPermissionType::GetOptions(nsIArray** aOptions)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aOptions);
michael@0: 
michael@0:   *aOptions = nullptr;
michael@0: 
michael@0:   nsresult rv;
michael@0:   nsCOMPtr<nsIMutableArray> options =
michael@0:     do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   // copy options into JS array
michael@0:   for (uint32_t i = 0; i < mOptions.Length(); ++i) {
michael@0:     nsCOMPtr<nsISupportsString> isupportsString =
michael@0:       do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     rv = isupportsString->SetData(mOptions[i]);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:     rv = options->AppendElement(isupportsString, false);
michael@0:     NS_ENSURE_SUCCESS(rv, rv);
michael@0:   }
michael@0: 
michael@0:   NS_ADDREF(*aOptions = options);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: ConvertPermissionRequestToArray(nsTArray<PermissionRequest>& aSrcArray,
michael@0:                                 nsIMutableArray* aDesArray)
michael@0: {
michael@0:   uint32_t len = aSrcArray.Length();
michael@0:   for (uint32_t i = 0; i < len; i++) {
michael@0:     nsRefPtr<ContentPermissionType> cpt =
michael@0:       new ContentPermissionType(aSrcArray[i].type(),
michael@0:                                 aSrcArray[i].access(),
michael@0:                                 aSrcArray[i].options());
michael@0:     aDesArray->AppendElement(cpt, false);
michael@0:   }
michael@0:   return len;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: CreatePermissionArray(const nsACString& aType,
michael@0:                       const nsACString& aAccess,
michael@0:                       const nsTArray<nsString>& aOptions,
michael@0:                       nsIArray** aTypesArray)
michael@0: {
michael@0:   nsCOMPtr<nsIMutableArray> types = do_CreateInstance(NS_ARRAY_CONTRACTID);
michael@0:   nsRefPtr<ContentPermissionType> permType = new ContentPermissionType(aType,
michael@0:                                                                        aAccess,
michael@0:                                                                        aOptions);
michael@0:   types->AppendElement(permType, false);
michael@0:   types.forget(aTypesArray);
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: PContentPermissionRequestParent*
michael@0: CreateContentPermissionRequestParent(const nsTArray<PermissionRequest>& aRequests,
michael@0:                                      Element* element,
michael@0:                                      const IPC::Principal& principal)
michael@0: {
michael@0:   return new ContentPermissionRequestParent(aRequests, element, principal);
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: nsContentPermissionRequestProxy::nsContentPermissionRequestProxy()
michael@0: {
michael@0:   MOZ_COUNT_CTOR(nsContentPermissionRequestProxy);
michael@0: }
michael@0: 
michael@0: nsContentPermissionRequestProxy::~nsContentPermissionRequestProxy()
michael@0: {
michael@0:   MOZ_COUNT_DTOR(nsContentPermissionRequestProxy);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsContentPermissionRequestProxy::Init(const nsTArray<PermissionRequest>& requests,
michael@0:                                       ContentPermissionRequestParent* parent)
michael@0: {
michael@0:   NS_ASSERTION(parent, "null parent");
michael@0:   mParent = parent;
michael@0:   mPermissionRequests = requests;
michael@0: 
michael@0:   nsCOMPtr<nsIContentPermissionPrompt> prompt = do_CreateInstance(NS_CONTENT_PERMISSION_PROMPT_CONTRACTID);
michael@0:   if (!prompt) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   prompt->Prompt(this);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: nsContentPermissionRequestProxy::OnParentDestroyed()
michael@0: {
michael@0:   mParent = nullptr;
michael@0: }
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsContentPermissionRequestProxy, nsIContentPermissionRequest)
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::GetTypes(nsIArray** aTypes)
michael@0: {
michael@0:   nsCOMPtr<nsIMutableArray> types = do_CreateInstance(NS_ARRAY_CONTRACTID);
michael@0:   if (ConvertPermissionRequestToArray(mPermissionRequests, types)) {
michael@0:     types.forget(aTypes);
michael@0:     return NS_OK;
michael@0:   }
michael@0:   return NS_ERROR_FAILURE;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::GetWindow(nsIDOMWindow * *aRequestingWindow)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRequestingWindow);
michael@0:   *aRequestingWindow = nullptr; // ipc doesn't have a window
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::GetPrincipal(nsIPrincipal * *aRequestingPrincipal)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRequestingPrincipal);
michael@0:   if (mParent == nullptr) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   NS_ADDREF(*aRequestingPrincipal = mParent->mPrincipal);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::GetElement(nsIDOMElement * *aRequestingElement)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aRequestingElement);
michael@0:   if (mParent == nullptr) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mParent->mElement);
michael@0:   elem.forget(aRequestingElement);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::Cancel()
michael@0: {
michael@0:   if (mParent == nullptr) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   // Don't send out the delete message when the managing protocol (PBrowser) is
michael@0:   // being destroyed and PContentPermissionRequest will soon be.
michael@0:   if (mParent->IsBeingDestroyed()) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   nsTArray<PermissionChoice> emptyChoices;
michael@0: 
michael@0:   unused << ContentPermissionRequestParent::Send__delete__(mParent, false, emptyChoices);
michael@0:   mParent = nullptr;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsContentPermissionRequestProxy::Allow(JS::HandleValue aChoices)
michael@0: {
michael@0:   if (mParent == nullptr) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   // Don't send out the delete message when the managing protocol (PBrowser) is
michael@0:   // being destroyed and PContentPermissionRequest will soon be.
michael@0:   if (mParent->IsBeingDestroyed()) {
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0: #ifdef MOZ_WIDGET_GONK
michael@0:   uint32_t len = mPermissionRequests.Length();
michael@0:   for (uint32_t i = 0; i < len; i++) {
michael@0:     if (mPermissionRequests[i].type().Equals("audio-capture")) {
michael@0:       GonkPermissionService::GetInstance()->addGrantInfo(
michael@0:         "android.permission.RECORD_AUDIO",
michael@0:         static_cast<TabParent*>(mParent->Manager())->Manager()->Pid());
michael@0:     }
michael@0:     if (mPermissionRequests[i].type().Equals("video-capture")) {
michael@0:       GonkPermissionService::GetInstance()->addGrantInfo(
michael@0:         "android.permission.CAMERA",
michael@0:         static_cast<TabParent*>(mParent->Manager())->Manager()->Pid());
michael@0:     }
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   nsTArray<PermissionChoice> choices;
michael@0:   if (aChoices.isNullOrUndefined()) {
michael@0:     // No choice is specified.
michael@0:   } else if (aChoices.isObject()) {
michael@0:     // Iterate through all permission types.
michael@0:     for (uint32_t i = 0; i < mPermissionRequests.Length(); ++i) {
michael@0:       nsCString type = mPermissionRequests[i].type();
michael@0: 
michael@0:       mozilla::AutoSafeJSContext cx;
michael@0:       JS::Rooted<JSObject*> obj(cx, &aChoices.toObject());
michael@0:       JSAutoCompartment ac(cx, obj);
michael@0: 
michael@0:       JS::Rooted<JS::Value> val(cx);
michael@0: 
michael@0:       if (!JS_GetProperty(cx, obj, type.BeginReading(), &val) ||
michael@0:           !val.isString()) {
michael@0:         // no setting for the permission type, skip it
michael@0:       } else {
michael@0:         nsDependentJSString choice;
michael@0:         if (!choice.init(cx, val)) {
michael@0:           return NS_ERROR_FAILURE;
michael@0:         }
michael@0:         choices.AppendElement(PermissionChoice(type, choice));
michael@0:       }
michael@0:     }
michael@0:   } else {
michael@0:     MOZ_ASSERT(false, "SelectedChoices should be undefined or an JS object");
michael@0:     return NS_ERROR_FAILURE;
michael@0:   }
michael@0: 
michael@0:   unused << ContentPermissionRequestParent::Send__delete__(mParent, true, choices);
michael@0:   mParent = nullptr;
michael@0:   return NS_OK;
michael@0: }