| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/renderer/media/webcontentdecryptionmodule_impl.h" |
| |
| #include <map> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "content/renderer/media/cdm_result_promise.h" |
| #include "content/renderer/media/cdm_session_adapter.h" |
| #include "content/renderer/media/crypto/key_systems.h" |
| #include "content/renderer/media/webcontentdecryptionmodulesession_impl.h" |
| #include "media/base/cdm_promise.h" |
| #include "media/base/media_keys.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/web/WebSecurityOrigin.h" |
| #include "url/gurl.h" |
| |
| #if defined(ENABLE_PEPPER_CDMS) |
| #include "content/renderer/media/crypto/pepper_cdm_wrapper_impl.h" |
| #endif |
| |
| namespace content { |
| |
| WebContentDecryptionModuleImpl* WebContentDecryptionModuleImpl::Create( |
| #if defined(ENABLE_PEPPER_CDMS) |
| blink::WebLocalFrame* frame, |
| #elif defined(ENABLE_BROWSER_CDMS) |
| RendererCdmManager* manager, |
| #endif |
| const blink::WebSecurityOrigin& security_origin, |
| const base::string16& key_system) { |
| #if defined(ENABLE_PEPPER_CDMS) |
| DCHECK(frame); |
| #elif defined(ENABLE_BROWSER_CDMS) |
| DCHECK(manager); |
| #endif |
| DCHECK(!security_origin.isNull()); |
| DCHECK(!key_system.empty()); |
| |
| // TODO(ddorwin): Guard against this in supported types check and remove this. |
| // Chromium only supports ASCII key systems. |
| if (!base::IsStringASCII(key_system)) { |
| NOTREACHED(); |
| return NULL; |
| } |
| |
| std::string key_system_ascii = base::UTF16ToASCII(key_system); |
| if (!IsConcreteSupportedKeySystem(key_system_ascii)) |
| return NULL; |
| |
| // If unique security origin, don't try to create the CDM. |
| if (security_origin.isUnique() || security_origin.toString() == "null") { |
| DLOG(ERROR) << "CDM use not allowed for unique security origin."; |
| return NULL; |
| } |
| |
| scoped_refptr<CdmSessionAdapter> adapter(new CdmSessionAdapter()); |
| GURL security_origin_as_gurl(security_origin.toString()); |
| |
| if (!adapter->Initialize( |
| #if defined(ENABLE_PEPPER_CDMS) |
| base::Bind(&PepperCdmWrapperImpl::Create, frame), |
| #elif defined(ENABLE_BROWSER_CDMS) |
| manager, |
| #endif |
| key_system_ascii, |
| security_origin_as_gurl)) { |
| return NULL; |
| } |
| |
| return new WebContentDecryptionModuleImpl(adapter); |
| } |
| |
| WebContentDecryptionModuleImpl::WebContentDecryptionModuleImpl( |
| scoped_refptr<CdmSessionAdapter> adapter) |
| : adapter_(adapter) { |
| } |
| |
| WebContentDecryptionModuleImpl::~WebContentDecryptionModuleImpl() { |
| } |
| |
| // The caller owns the created session. |
| blink::WebContentDecryptionModuleSession* |
| WebContentDecryptionModuleImpl::createSession() { |
| return adapter_->CreateSession(); |
| } |
| |
| blink::WebContentDecryptionModuleSession* |
| WebContentDecryptionModuleImpl::createSession( |
| blink::WebContentDecryptionModuleSession::Client* client) { |
| WebContentDecryptionModuleSessionImpl* session = adapter_->CreateSession(); |
| session->setClientInterface(client); |
| return session; |
| } |
| |
| void WebContentDecryptionModuleImpl::setServerCertificate( |
| const uint8* server_certificate, |
| size_t server_certificate_length, |
| blink::WebContentDecryptionModuleResult result) { |
| DCHECK(server_certificate); |
| adapter_->SetServerCertificate( |
| server_certificate, |
| server_certificate_length, |
| scoped_ptr<media::SimpleCdmPromise>(new SimpleCdmResultPromise(result))); |
| } |
| |
| media::Decryptor* WebContentDecryptionModuleImpl::GetDecryptor() { |
| return adapter_->GetDecryptor(); |
| } |
| |
| #if defined(ENABLE_BROWSER_CDMS) |
| int WebContentDecryptionModuleImpl::GetCdmId() const { |
| return adapter_->GetCdmId(); |
| } |
| #endif // defined(ENABLE_BROWSER_CDMS) |
| |
| } // namespace content |