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/* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <jni.h>
#include <stdlib.h>
#include <fcntl.h>
#include "APKOpen.h"
#include "Zip.h"
#include "mozilla/RefPtr.h"
extern "C"
__attribute__ ((visibility("default")))
void MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_GeckoLoader_putenv(JNIEnv *jenv, jclass, jstring map)
{
const char* str;
// XXX: java doesn't give us true UTF8, we should figure out something
// better to do here
str = jenv->GetStringUTFChars(map, nullptr);
if (str == nullptr)
return;
putenv(strdup(str));
jenv->ReleaseStringUTFChars(map, str);
}
extern "C"
__attribute__ ((visibility("default")))
jobject MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeAllocateDirectBuffer(JNIEnv *jenv, jclass, jlong size)
{
jobject buffer = nullptr;
void* mem = malloc(size);
if (mem) {
buffer = jenv->NewDirectByteBuffer(mem, size);
if (!buffer)
free(mem);
}
return buffer;
}
extern "C"
__attribute__ ((visibility("default")))
void MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_DirectBufferAllocator_nativeFreeDirectBuffer(JNIEnv *jenv, jclass, jobject buf)
{
free(jenv->GetDirectBufferAddress(buf));
}
extern "C"
__attribute__ ((visibility("default")))
jlong MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_NativeZip_getZip(JNIEnv *jenv, jclass, jstring path)
{
const char* str;
str = jenv->GetStringUTFChars(path, nullptr);
if (!str || !*str) {
if (str)
jenv->ReleaseStringUTFChars(path, str);
JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid path");
return 0;
}
RefPtr<Zip> zip = ZipCollection::GetZip(str);
jenv->ReleaseStringUTFChars(path, str);
if (!zip) {
JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid path or invalid zip");
return 0;
}
return reinterpret_cast<jlong>(zip.forget().take());
}
extern "C"
__attribute__ ((visibility("default")))
jlong MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_NativeZip_getZipFromByteBuffer(JNIEnv *jenv, jclass, jobject buffer)
{
void *buf = jenv->GetDirectBufferAddress(buffer);
size_t size = jenv->GetDirectBufferCapacity(buffer);
RefPtr<Zip> zip = Zip::Create(buf, size);
if (!zip) {
JNI_Throw(jenv, "java/lang/IllegalArgumentException", "Invalid zip");
return 0;
}
return reinterpret_cast<jlong>(zip.forget().take());
}
extern "C"
__attribute__ ((visibility("default")))
void MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_NativeZip__1release(JNIEnv *jenv, jclass, jlong obj)
{
Zip *zip = (Zip *)obj;
zip->Release();
}
extern "C"
__attribute__ ((visibility("default")))
jobject MOZ_JNICALL
Java_org_mozilla_gecko_mozglue_NativeZip__1getInputStream(JNIEnv *jenv, jobject jzip, jlong obj, jstring path)
{
Zip *zip = (Zip *)obj;
const char* str;
str = jenv->GetStringUTFChars(path, nullptr);
Zip::Stream stream;
bool res = zip->GetStream(str, &stream);
jenv->ReleaseStringUTFChars(path, str);
if (!res) {
return nullptr;
}
jobject buf = jenv->NewDirectByteBuffer(const_cast<void *>(stream.GetBuffer()), stream.GetSize());
if (!buf) {
JNI_Throw(jenv, "java/lang/RuntimeException", "Failed to create ByteBuffer");
return nullptr;
}
jclass nativeZip = jenv->GetObjectClass(jzip);
jmethodID method = jenv->GetMethodID(nativeZip, "createInputStream", "(Ljava/nio/ByteBuffer;I)Ljava/io/InputStream;");
// Since this function is only expected to be called from Java, it is safe
// to skip exception checking for the method call below, as long as no
// other Native -> Java call doesn't happen before returning to Java.
return jenv->CallObjectMethod(jzip, method, buf, (jint) stream.GetType());
}
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