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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 "build/build_config.h"
- #include "content/public/browser/navigation_entry.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_response_headers.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/loader/referrer.mojom.h"
- #include "weblayer/browser/navigation_ui_data_impl.h"
- #include "weblayer/browser/page_impl.h"
- #if BUILDFLAG(IS_ANDROID)
- #include "base/android/jni_array.h"
- #include "base/android/jni_string.h"
- #include "components/embedder_support/android/util/web_resource_response.h"
- #include "weblayer/browser/java/jni/NavigationImpl_jni.h"
- #endif
- #if BUILDFLAG(IS_ANDROID)
- using base::android::AttachCurrentThread;
- using base::android::ScopedJavaLocalRef;
- #endif
- namespace weblayer {
- NavigationImpl::NavigationImpl(content::NavigationHandle* navigation_handle)
- : navigation_handle_(navigation_handle) {
- auto* navigation_entry = navigation_handle->GetNavigationEntry();
- if (navigation_entry &&
- navigation_entry->GetURL() == navigation_handle->GetURL()) {
- navigation_entry_unique_id_ = navigation_entry->GetUniqueID();
- }
- }
- NavigationImpl::~NavigationImpl() {
- #if BUILDFLAG(IS_ANDROID)
- if (java_navigation_) {
- Java_NavigationImpl_onNativeDestroyed(AttachCurrentThread(),
- java_navigation_);
- }
- #endif
- }
- #if BUILDFLAG(IS_ANDROID)
- 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);
- }
- ScopedJavaLocalRef<jobjectArray> NavigationImpl::GetResponseHeaders(
- JNIEnv* env) {
- std::vector<std::string> jni_headers;
- auto* headers = GetResponseHeaders();
- if (headers) {
- size_t iterator = 0;
- std::string name;
- std::string value;
- while (headers->EnumerateHeaderLines(&iterator, &name, &value)) {
- jni_headers.push_back(name);
- jni_headers.push_back(value);
- }
- }
- return base::android::ToJavaArrayOfStrings(env, jni_headers);
- }
- 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;
- }
- jboolean NavigationImpl::DisableNetworkErrorAutoReload(JNIEnv* env) {
- if (!safe_to_disable_network_error_auto_reload_)
- return false;
- DisableNetworkErrorAutoReload();
- return true;
- }
- jboolean NavigationImpl::DisableIntentProcessing(JNIEnv* env) {
- if (!safe_to_disable_intent_processing_)
- return false;
- disable_intent_processing_ = true;
- return true;
- }
- jboolean NavigationImpl::AreIntentLaunchesAllowedInBackground(JNIEnv* env) {
- NavigationUIDataImpl* navigation_ui_data = static_cast<NavigationUIDataImpl*>(
- navigation_handle_->GetNavigationUIData());
- if (!navigation_ui_data)
- return false;
- return navigation_ui_data->are_intent_launches_allowed_in_background();
- }
- base::android::ScopedJavaLocalRef<jstring> NavigationImpl::GetReferrer(
- JNIEnv* env) {
- return ScopedJavaLocalRef<jstring>(
- base::android::ConvertUTF8ToJavaString(env, GetReferrer().spec()));
- }
- jlong NavigationImpl::GetPage(JNIEnv* env) {
- if (!safe_to_get_page_)
- return -1;
- return reinterpret_cast<intptr_t>(GetPage());
- }
- jint NavigationImpl::GetNavigationEntryOffset(JNIEnv* env) {
- return GetNavigationEntryOffset();
- }
- jboolean NavigationImpl::WasFetchedFromCache(JNIEnv* env) {
- return WasFetchedFromCache();
- }
- void NavigationImpl::SetResponse(
- std::unique_ptr<embedder_support::WebResourceResponse> response) {
- response_ = std::move(response);
- }
- std::unique_ptr<embedder_support::WebResourceResponse>
- NavigationImpl::TakeResponse() {
- return std::move(response_);
- }
- void NavigationImpl::SetJavaNavigation(
- const base::android::ScopedJavaGlobalRef<jobject>& java_navigation) {
- // SetJavaNavigation() should only be called once.
- DCHECK(!java_navigation_);
- java_navigation_ = java_navigation;
- }
- #endif
- bool NavigationImpl::IsPageInitiated() {
- return navigation_handle_->IsRendererInitiated();
- }
- bool NavigationImpl::IsReload() {
- return navigation_handle_->GetReloadType() != content::ReloadType::NONE;
- }
- bool NavigationImpl::IsServedFromBackForwardCache() {
- return navigation_handle_->IsServedFromBackForwardCache();
- }
- Page* NavigationImpl::GetPage() {
- if (!safe_to_get_page_)
- return nullptr;
- return PageImpl::GetForPage(
- navigation_handle_->GetRenderFrameHost()->GetPage());
- }
- int NavigationImpl::GetNavigationEntryOffset() {
- return navigation_handle_->GetNavigationEntryOffset();
- }
- bool NavigationImpl::WasFetchedFromCache() {
- return navigation_handle_->WasResponseCached();
- }
- 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() ||
- (finished_ && !navigation_handle_->HasCommitted()))
- 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;
- }
- const net::HttpResponseHeaders* NavigationImpl::GetResponseHeaders() {
- return navigation_handle_->GetResponseHeaders();
- }
- bool NavigationImpl::IsSameDocument() {
- return navigation_handle_->IsSameDocument();
- }
- bool NavigationImpl::IsErrorPage() {
- return navigation_handle_->IsErrorPage();
- }
- bool NavigationImpl::IsDownload() {
- return navigation_handle_->IsDownload();
- }
- bool NavigationImpl::IsKnownProtocol() {
- return !navigation_handle_->IsExternalProtocol();
- }
- 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;
- // The safe browsing navigation throttle fails navigations with
- // ERR_BLOCKED_BY_CLIENT when showing safe browsing interstitials.
- if (error_code == net::ERR_BLOCKED_BY_CLIENT)
- return kSafeBrowsingError;
- 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_);
- // By default renderer initiated navigations inherit the user-agent override
- // of the current NavigationEntry. But we don't want this per-navigation UA to
- // be inherited.
- navigation_handle_->GetWebContents()
- ->SetRendererInitiatedUserAgentOverrideOption(
- content::NavigationController::UA_OVERRIDE_FALSE);
- navigation_handle_->GetWebContents()->SetUserAgentOverride(
- blink::UserAgentOverride::UserAgentOnly(value),
- /* override_in_new_tabs */ false);
- navigation_handle_->SetIsOverridingUserAgent(!value.empty());
- set_user_agent_string_called_ = true;
- }
- void NavigationImpl::DisableNetworkErrorAutoReload() {
- DCHECK(safe_to_disable_network_error_auto_reload_);
- disable_network_error_auto_reload_ = true;
- }
- bool NavigationImpl::IsFormSubmission() {
- return navigation_handle_->IsFormSubmission();
- }
- GURL NavigationImpl::GetReferrer() {
- return navigation_handle_->GetReferrer().url;
- }
- #if BUILDFLAG(IS_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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