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// Copyright 2014 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 "components/cronet/android/cronet_url_request.h"
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/logging.h"
#include "base/macros.h"
#include "components/cronet/android/cronet_url_request_adapter.h"
#include "components/cronet/android/cronet_url_request_context_adapter.h"
#include "jni/CronetUrlRequest_jni.h"
#include "net/base/net_errors.h"
#include "net/base/request_priority.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_util.h"
using base::android::ConvertUTF8ToJavaString;
// This file contains all the plumbing to handle the bidirectional communication
// between the Java CronetURLRequest and C++ CronetURLRequestAdapter.
namespace cronet {
namespace {
// A delegate of CronetURLRequestAdapter that delivers callbacks to the Java
// layer. Created on a Java thread, but always called and destroyed on the
// Network thread.
class JniCronetURLRequestAdapterDelegate
: public CronetURLRequestAdapter::CronetURLRequestAdapterDelegate {
public:
JniCronetURLRequestAdapterDelegate(JNIEnv* env, jobject owner) {
owner_.Reset(env, owner);
}
// CronetURLRequestAdapter::CronetURLRequestAdapterDelegate implementation.
void OnRedirect(const GURL& new_location, int http_status_code) override {
JNIEnv* env = base::android::AttachCurrentThread();
cronet::Java_CronetUrlRequest_onRedirect(
env,
owner_.obj(),
ConvertUTF8ToJavaString(env, new_location.spec()).obj(),
http_status_code);
}
void OnResponseStarted(int http_status_code) override {
JNIEnv* env = base::android::AttachCurrentThread();
cronet::Java_CronetUrlRequest_onResponseStarted(env,
owner_.obj(),
http_status_code);
}
void OnBytesRead(unsigned char* bytes,
int bytes_read) override {
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jobject> java_buffer(
env, env->NewDirectByteBuffer(bytes, bytes_read));
cronet::Java_CronetUrlRequest_onDataReceived(
env, owner_.obj(), java_buffer.obj());
}
void OnRequestFinished() override {
JNIEnv* env = base::android::AttachCurrentThread();
cronet::Java_CronetUrlRequest_onSucceeded(env, owner_.obj());
}
void OnError(int net_error) override {
JNIEnv* env = base::android::AttachCurrentThread();
cronet::Java_CronetUrlRequest_onError(
env,
owner_.obj(),
net_error,
ConvertUTF8ToJavaString(env, net::ErrorToString(net_error)).obj());
}
private:
~JniCronetURLRequestAdapterDelegate() override {
}
// Java object that owns the CronetURLRequestContextAdapter, which owns this
// delegate.
base::android::ScopedJavaGlobalRef<jobject> owner_;
DISALLOW_COPY_AND_ASSIGN(JniCronetURLRequestAdapterDelegate);
};
} // namespace
// Explicitly register static JNI functions.
bool CronetUrlRequestRegisterJni(JNIEnv* env) {
return RegisterNativesImpl(env);
}
static jlong CreateRequestAdapter(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_context_adapter,
jstring jurl_string,
jint jpriority) {
CronetURLRequestContextAdapter* context_adapter =
reinterpret_cast<CronetURLRequestContextAdapter*>(
jurl_request_context_adapter);
DCHECK(context_adapter);
GURL url(base::android::ConvertJavaStringToUTF8(env, jurl_string));
VLOG(1) << "New chromium network request_adapter: "
<< url.possibly_invalid_spec();
scoped_ptr<CronetURLRequestAdapter::CronetURLRequestAdapterDelegate> delegate(
new JniCronetURLRequestAdapterDelegate(env, jurl_request));
CronetURLRequestAdapter* adapter = new CronetURLRequestAdapter(
context_adapter,
delegate.Pass(),
url,
static_cast<net::RequestPriority>(jpriority));
return reinterpret_cast<jlong>(adapter);
}
static jboolean SetHttpMethod(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter,
jstring jmethod) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
std::string method(base::android::ConvertJavaStringToUTF8(env, jmethod));
// Http method is a token, just as header name.
if (!net::HttpUtil::IsValidHeaderName(method))
return JNI_FALSE;
request_adapter->set_method(method);
return JNI_TRUE;
}
static jboolean AddHeader(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter,
jstring jname,
jstring jvalue) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
std::string name(base::android::ConvertJavaStringToUTF8(env, jname));
std::string value(base::android::ConvertJavaStringToUTF8(env, jvalue));
if (!net::HttpUtil::IsValidHeaderName(name) ||
!net::HttpUtil::IsValidHeaderValue(value)) {
return JNI_FALSE;
}
request_adapter->AddRequestHeader(name, value);
return JNI_TRUE;
}
static void Start(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
request_adapter->PostTaskToNetworkThread(
FROM_HERE,
base::Bind(&CronetURLRequestAdapter::Start,
base::Unretained(request_adapter)));
}
static void DestroyRequestAdapter(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
request_adapter->PostTaskToNetworkThread(
FROM_HERE,
base::Bind(&CronetURLRequestAdapter::Destroy,
base::Unretained(request_adapter)));
}
static void ReceiveData(JNIEnv* env,
jobject jcaller,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
request_adapter->PostTaskToNetworkThread(
FROM_HERE,
base::Bind(&CronetURLRequestAdapter::ReadData,
base::Unretained(request_adapter)));
}
static void FollowDeferredRedirect(JNIEnv* env,
jobject jcaller,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(!request_adapter->IsOnNetworkThread());
request_adapter->PostTaskToNetworkThread(
FROM_HERE,
base::Bind(&CronetURLRequestAdapter::FollowDeferredRedirect,
base::Unretained(request_adapter)));
}
static void PopulateResponseHeaders(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter,
jobject jheaders_list) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(request_adapter->IsOnNetworkThread());
const net::HttpResponseHeaders* headers =
request_adapter->GetResponseHeaders();
if (headers == nullptr)
return;
void* iter = nullptr;
std::string header_name;
std::string header_value;
while (headers->EnumerateHeaderLines(&iter, &header_name, &header_value)) {
ScopedJavaLocalRef<jstring> name =
ConvertUTF8ToJavaString(env, header_name);
ScopedJavaLocalRef<jstring> value =
ConvertUTF8ToJavaString(env, header_value);
Java_CronetUrlRequest_onAppendResponseHeader(
env, jurl_request, jheaders_list, name.obj(), value.obj());
}
}
static jstring GetNegotiatedProtocol(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(request_adapter->IsOnNetworkThread());
return ConvertUTF8ToJavaString(
env, request_adapter->GetNegotiatedProtocol()).Release();
}
static jboolean GetWasCached(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(request_adapter->IsOnNetworkThread());
return request_adapter->GetWasCached() ? JNI_TRUE : JNI_FALSE;
}
static jlong GetTotalReceivedBytes(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(request_adapter->IsOnNetworkThread());
return request_adapter->GetTotalReceivedBytes();
}
static jstring GetHttpStatusText(JNIEnv* env,
jobject jurl_request,
jlong jurl_request_adapter) {
DCHECK(jurl_request_adapter);
CronetURLRequestAdapter* request_adapter =
reinterpret_cast<CronetURLRequestAdapter*>(jurl_request_adapter);
DCHECK(request_adapter->IsOnNetworkThread());
const net::HttpResponseHeaders* headers =
request_adapter->GetResponseHeaders();
return ConvertUTF8ToJavaString(env, headers->GetStatusText()).Release();
}
} // namespace cronet
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