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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/security_state/content/android/security_state_client.h"
#include "components/security_state/content/android/security_state_model_delegate.h"
#include "components/security_state/content/content_utils.h"
#include "components/security_state/core/security_state.h"
#include "content/public/browser/web_contents.h"
// This generated header with the static declaration for the JNI function.
#include "components/security_state/content/android/jni_headers/SecurityStateModel_jni.h"
using security_state::GetSecurityStateClient;
using security_state::MaliciousContentStatus;
using security_state::SecurityLevel;
using security_state::SecurityStateClient;
namespace security_state::internal {
SecurityStateModelDelegate* CreateSecurityStateModelDelegate() {
SecurityStateClient* security_state_client = GetSecurityStateClient();
if (!security_state_client) {
return nullptr;
}
// Transfer ownership to caller which should manage memory for the created
// security state client.
return security_state_client->MaybeCreateSecurityStateModelDelegate()
.release();
}
// This function is testable from the unit test file.
MaliciousContentStatus GetMaliciousContentStatusForWebContentsInternal(
content::WebContents* web_contents,
SecurityStateModelDelegate* delegate) {
if (!web_contents) {
return MaliciousContentStatus::MALICIOUS_CONTENT_STATUS_NONE;
}
if (!delegate) {
return MaliciousContentStatus::MALICIOUS_CONTENT_STATUS_NONE;
}
return delegate->GetMaliciousContentStatus(web_contents);
}
// This function is testable from the unit test file.
SecurityLevel GetSecurityLevelForWebContentsInternal(
content::WebContents* web_contents,
SecurityStateModelDelegate* delegate) {
if (!web_contents) {
return SecurityLevel::NONE;
}
if (!delegate) {
return security_state::GetSecurityLevel(
*security_state::GetVisibleSecurityState(web_contents));
}
return delegate->GetSecurityLevel(web_contents);
}
// Provides thread-safe, on-demand access to the SecurityStateModelDelegate
// instance. Returns nullptr if the delegate cannot be created.
SecurityStateModelDelegate* GetSecurityStateModelDelegate() {
// Function-local static pointer initialized exactly once (thread-safe since
// C++11). This pointer once initialized is maintained in memory till the
// process terminates.
static SecurityStateModelDelegate* const delegate =
CreateSecurityStateModelDelegate();
return delegate;
}
} // namespace security_state::internal
// The actual JNI function, now a thin wrapper.
static jint JNI_SecurityStateModel_GetMaliciousContentStatusForWebContents(
JNIEnv* env,
content::WebContents* web_contents) {
return security_state::internal::
GetMaliciousContentStatusForWebContentsInternal(
web_contents,
security_state::internal::GetSecurityStateModelDelegate());
}
// The actual JNI function, now a thin wrapper.
static jint JNI_SecurityStateModel_GetSecurityLevelForWebContents(
JNIEnv* env,
content::WebContents* web_contents) {
return security_state::internal::GetSecurityLevelForWebContentsInternal(
web_contents, security_state::internal::GetSecurityStateModelDelegate());
}
DEFINE_JNI(SecurityStateModel)
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