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// Copyright 2019 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 "weblayer/browser/navigation_impl.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"
#include "net/base/net_errors.h"
#include "net/http/http_util.h"
#include "third_party/blink/public/common/user_agent/user_agent_metadata.h"
#include "third_party/blink/public/mojom/referrer.mojom.h"
#if defined(OS_ANDROID)
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "weblayer/browser/java/jni/NavigationImpl_jni.h"
#endif
#if defined(OS_ANDROID)
using base::android::AttachCurrentThread;
using base::android::ScopedJavaLocalRef;
#endif
namespace weblayer {
NavigationImpl::NavigationImpl(content::NavigationHandle* navigation_handle)
: navigation_handle_(navigation_handle) {}
NavigationImpl::~NavigationImpl() {
#if defined(OS_ANDROID)
if (java_navigation_) {
Java_NavigationImpl_onNativeDestroyed(AttachCurrentThread(),
java_navigation_);
}
#endif
}
void NavigationImpl::SetParamsToLoadWhenSafe(
std::unique_ptr<content::NavigationController::LoadURLParams> params) {
scheduled_load_params_ = std::move(params);
}
std::unique_ptr<content::NavigationController::LoadURLParams>
NavigationImpl::TakeParamsToLoadWhenSafe() {
return std::move(scheduled_load_params_);
}
#if defined(OS_ANDROID)
void NavigationImpl::SetJavaNavigation(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& java_navigation) {
java_navigation_ = java_navigation;
}
ScopedJavaLocalRef<jstring> NavigationImpl::GetUri(JNIEnv* env) {
return ScopedJavaLocalRef<jstring>(
base::android::ConvertUTF8ToJavaString(env, GetURL().spec()));
}
ScopedJavaLocalRef<jobjectArray> NavigationImpl::GetRedirectChain(JNIEnv* env) {
std::vector<std::string> jni_redirects;
for (const GURL& redirect : GetRedirectChain())
jni_redirects.push_back(redirect.spec());
return base::android::ToJavaArrayOfStrings(env, jni_redirects);
}
jboolean NavigationImpl::SetRequestHeader(
JNIEnv* env,
const base::android::JavaParamRef<jstring>& name,
const base::android::JavaParamRef<jstring>& value) {
if (!safe_to_set_request_headers_)
return false;
SetRequestHeader(ConvertJavaStringToUTF8(name),
ConvertJavaStringToUTF8(value));
return true;
}
jboolean NavigationImpl::SetUserAgentString(
JNIEnv* env,
const base::android::JavaParamRef<jstring>& value) {
if (!safe_to_set_user_agent_)
return false;
SetUserAgentString(ConvertJavaStringToUTF8(value));
return true;
}
#endif
GURL NavigationImpl::GetURL() {
return navigation_handle_->GetURL();
}
const std::vector<GURL>& NavigationImpl::GetRedirectChain() {
return navigation_handle_->GetRedirectChain();
}
NavigationState NavigationImpl::GetState() {
if (navigation_handle_->IsErrorPage() || navigation_handle_->IsDownload())
return NavigationState::kFailed;
if (navigation_handle_->HasCommitted())
return NavigationState::kComplete;
if (navigation_handle_->GetResponseHeaders())
return NavigationState::kReceivingBytes;
return NavigationState::kWaitingResponse;
}
int NavigationImpl::GetHttpStatusCode() {
auto* response_headers = navigation_handle_->GetResponseHeaders();
return response_headers ? response_headers->response_code() : 0;
}
bool NavigationImpl::IsSameDocument() {
return navigation_handle_->IsSameDocument();
}
bool NavigationImpl::IsErrorPage() {
return navigation_handle_->IsErrorPage();
}
bool NavigationImpl::IsDownload() {
return navigation_handle_->IsDownload();
}
bool NavigationImpl::WasStopCalled() {
return was_stopped_;
}
Navigation::LoadError NavigationImpl::GetLoadError() {
auto error_code = navigation_handle_->GetNetErrorCode();
if (auto* response_headers = navigation_handle_->GetResponseHeaders()) {
auto response_code = response_headers->response_code();
if (response_code >= 400 && response_code < 500)
return kHttpClientError;
if (response_code >= 500 && response_code < 600)
return kHttpServerError;
}
if (error_code == net::OK)
return kNoError;
if (net::IsCertificateError(error_code))
return kSSLError;
if (error_code <= -100 && error_code > -200)
return kConnectivityError;
return kOtherError;
}
void NavigationImpl::SetRequestHeader(const std::string& name,
const std::string& value) {
if (base::ToLowerASCII(name) == "referer") {
// The referrer needs to be special cased as content maintains it
// separately.
auto referrer = blink::mojom::Referrer::New();
referrer->url = GURL(value);
referrer->policy = network::mojom::ReferrerPolicy::kDefault;
navigation_handle_->SetReferrer(std::move(referrer));
} else {
// Any headers coming from the client should be exempt from CORS checks.
navigation_handle_->SetCorsExemptRequestHeader(name, value);
}
}
void NavigationImpl::SetUserAgentString(const std::string& value) {
DCHECK(safe_to_set_user_agent_);
navigation_handle_->GetWebContents()->SetUserAgentOverride(
blink::UserAgentOverride::UserAgentOnly(value),
/* override_in_new_tabs */ false);
navigation_handle_->SetIsOverridingUserAgent(!value.empty());
}
#if defined(OS_ANDROID)
static jboolean JNI_NavigationImpl_IsValidRequestHeaderName(
JNIEnv* env,
const base::android::JavaParamRef<jstring>& name) {
return net::HttpUtil::IsValidHeaderName(ConvertJavaStringToUTF8(name));
}
static jboolean JNI_NavigationImpl_IsValidRequestHeaderValue(
JNIEnv* env,
const base::android::JavaParamRef<jstring>& value) {
return net::HttpUtil::IsValidHeaderValue(ConvertJavaStringToUTF8(value));
}
#endif
} // namespace weblayer
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