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// Copyright 2019 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/download/internal/common/android/download_collection_bridge.h"
#include <set>
#include <utility>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/files/file_util.h"
#include "base/metrics/field_trial_params.h"
#include "base/strings/string_number_conversions.h"
#include "components/download/public/common/download_features.h"
#include "components/download/public/common/download_interrupt_reasons.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/download/internal/common/jni_headers/DownloadCollectionBridge_jni.h"
using base::android::ConvertJavaStringToUTF8;
using base::android::ConvertUTF16ToJavaString;
using base::android::ConvertUTF8ToJavaString;
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
namespace download {
namespace {
// Default value for |kDownloadExpirationDurationFinchKey|, when no parameter is
// specified.
const int kDefaultExpirationDurationInDays = 3;
// Finch parameter key value of the duration in days for an intermediate
// download to expire.
constexpr char kDownloadExpirationDurationFinchKey[] = "expiration_duration";
// Used by tests to simulate that a list of file names exists in the system.
// Must be used on main thread.
std::set<base::FilePath>* g_existing_file_names = nullptr;
} // namespace
// static
base::FilePath DownloadCollectionBridge::CreateIntermediateUriForPublish(
const GURL& original_url,
const GURL& referrer_url,
const base::FilePath& file_name,
const std::string& mime_type) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jurl =
ConvertUTF8ToJavaString(env, original_url.spec());
ScopedJavaLocalRef<jstring> jreferrer =
ConvertUTF8ToJavaString(env, referrer_url.spec());
ScopedJavaLocalRef<jstring> jfile_name =
ConvertUTF16ToJavaString(env, file_name.AsUTF16Unsafe());
ScopedJavaLocalRef<jstring> jmime_type =
ConvertUTF8ToJavaString(env, mime_type);
ScopedJavaLocalRef<jstring> jcontent_uri =
Java_DownloadCollectionBridge_createIntermediateUriForPublish(
env, jfile_name, jmime_type, jurl, jreferrer);
if (jcontent_uri) {
std::string content_uri = ConvertJavaStringToUTF8(env, jcontent_uri);
return base::FilePath(content_uri);
}
return base::FilePath();
}
// static
bool DownloadCollectionBridge::ShouldPublishDownload(
const base::FilePath& file_path) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jfile_path =
ConvertUTF16ToJavaString(env, file_path.AsUTF16Unsafe());
return Java_DownloadCollectionBridge_shouldPublishDownload(env, jfile_path);
}
// static
DownloadInterruptReason DownloadCollectionBridge::MoveFileToIntermediateUri(
const base::FilePath& source_path,
const base::FilePath& destination_uri) {
DCHECK(!source_path.IsContentUri());
DCHECK(destination_uri.IsContentUri());
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jsource =
ConvertUTF8ToJavaString(env, source_path.value());
ScopedJavaLocalRef<jstring> jdestination =
ConvertUTF8ToJavaString(env, destination_uri.value());
bool success = Java_DownloadCollectionBridge_copyFileToIntermediateUri(
env, jsource, jdestination);
base::DeleteFile(source_path);
return success ? DOWNLOAD_INTERRUPT_REASON_NONE
: DOWNLOAD_INTERRUPT_REASON_FILE_FAILED;
}
// static
void DownloadCollectionBridge::DeleteIntermediateUri(
const base::FilePath& intermediate_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> juri =
ConvertUTF8ToJavaString(env, intermediate_uri.value());
Java_DownloadCollectionBridge_deleteIntermediateUri(env, juri);
}
// static
base::FilePath DownloadCollectionBridge::PublishDownload(
const base::FilePath& intermediate_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jintermediate_uri =
ConvertUTF8ToJavaString(env, intermediate_uri.value());
ScopedJavaLocalRef<jstring> jfinal_uri =
Java_DownloadCollectionBridge_publishDownload(env, jintermediate_uri);
if (jfinal_uri) {
std::string final_uri = ConvertJavaStringToUTF8(env, jfinal_uri);
return base::FilePath(final_uri);
}
return base::FilePath();
}
// static
base::File DownloadCollectionBridge::OpenIntermediateUri(
const base::FilePath& intermediate_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jintermediate_uri =
ConvertUTF8ToJavaString(env, intermediate_uri.value());
int fd =
Java_DownloadCollectionBridge_openIntermediateUri(env, jintermediate_uri);
if (fd < 0)
return base::File();
return base::File(fd);
}
// static
bool DownloadCollectionBridge::FileNameExists(const base::FilePath& file_name) {
if (g_existing_file_names) {
return g_existing_file_names->find(file_name) !=
g_existing_file_names->end();
}
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jfile_name =
ConvertUTF8ToJavaString(env, file_name.value());
return Java_DownloadCollectionBridge_fileNameExists(env, jfile_name);
}
// static
bool DownloadCollectionBridge::RenameDownloadUri(
const base::FilePath& download_uri,
const base::FilePath& new_display_name) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jdownload_uri =
ConvertUTF8ToJavaString(env, download_uri.value());
ScopedJavaLocalRef<jstring> jdisplay_name =
ConvertUTF8ToJavaString(env, new_display_name.value());
return Java_DownloadCollectionBridge_renameDownloadUri(env, jdownload_uri,
jdisplay_name);
}
// static
void DownloadCollectionBridge::GetDisplayNamesForDownloads(
GetDisplayNamesCallback cb) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobjectArray> jdisplay_infos =
Java_DownloadCollectionBridge_getDisplayNamesForDownloads(env);
auto result = std::make_unique<std::map<std::string, base::FilePath>>();
if (!jdisplay_infos) {
std::move(cb).Run(std::move(result));
return;
}
for (auto jdisplay_info : jdisplay_infos.ReadElements<jobject>()) {
ScopedJavaLocalRef<jstring> juri =
Java_DisplayNameInfo_getDownloadUri(env, jdisplay_info);
ScopedJavaLocalRef<jstring> jdisplay_name =
Java_DisplayNameInfo_getDisplayName(env, jdisplay_info);
if (juri && jdisplay_name) {
std::string uri = ConvertJavaStringToUTF8(env, juri);
std::string display_name = ConvertJavaStringToUTF8(env, jdisplay_name);
result->emplace(uri, display_name);
}
}
std::move(cb).Run(std::move(result));
}
// static
base::FilePath DownloadCollectionBridge::GetDisplayName(
const base::FilePath& download_uri) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> jdownload_uri =
ConvertUTF8ToJavaString(env, download_uri.value());
ScopedJavaLocalRef<jstring> jdisplay_name =
Java_DownloadCollectionBridge_getDisplayName(env, jdownload_uri);
if (jdisplay_name) {
std::string display_name = ConvertJavaStringToUTF8(env, jdisplay_name);
return base::FilePath(display_name);
}
return base::FilePath();
}
jint JNI_DownloadCollectionBridge_GetExpirationDurationInDays(JNIEnv* env) {
std::string finch_value = base::GetFieldTrialParamValueByFeature(
features::kRefreshExpirationDate, kDownloadExpirationDurationFinchKey);
int days;
return base::StringToInt(finch_value, &days)
? days
: kDefaultExpirationDurationInDays;
}
// static
void DownloadCollectionBridge::AddExistingFileNameForTesting(
const base::FilePath& file_name) {
g_existing_file_names->emplace(file_name);
}
// static
void DownloadCollectionBridge::ResetExistingFileNamesForTesting() {
g_existing_file_names = new std::set<base::FilePath>();
}
} // namespace download
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