android: switch to using gomobile
gomobile replaces our custom JNI bindings Updates tailscale/corp#18202 Signed-off-by: Percy Wegmann <percy@tailscale.com>pull/220/head
Percy Wegmann
2 months ago
committed by
Percy Wegmann
parent
98a72c2963
commit
5e7e36e3bc
@ -0,0 +1,35 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package com.tailscale.ipn;
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import android.app.Activity;
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import java.lang.reflect.Method;
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public class MaybeGoogle {
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static boolean isGoogle() {
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return getGoogle() != null;
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}
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static String getIdTokenForActivity(Activity act) {
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Class<?> google = getGoogle();
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if (google == null) {
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return "";
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}
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try {
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Method method = google.getMethod("getIdTokenForActivity", Activity.class);
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return (String) method.invoke(null, act);
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} catch (Exception e) {
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return "";
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}
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}
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private static Class getGoogle() {
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try {
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return Class.forName("com.tailscale.ipn.Google");
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} catch (ClassNotFoundException e) {
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return null;
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}
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}
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}
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@ -0,0 +1,40 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package com.tailscale.ipn
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import android.net.VpnService
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import libtailscale.ParcelFileDescriptor
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class VPNServiceBuilder(private val builder: VpnService.Builder) : libtailscale.VPNServiceBuilder {
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override fun addAddress(p0: String, p1: Int) {
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builder.addAddress(p0, p1)
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}
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override fun addDNSServer(p0: String) {
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builder.addDnsServer(p0)
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}
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override fun addRoute(p0: String, p1: Int) {
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builder.addRoute(p0, p1)
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}
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override fun addSearchDomain(p0: String) {
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builder.addSearchDomain(p0)
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}
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override fun establish(): ParcelFileDescriptor? {
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return builder.establish()?.let { ParcelFileDescriptor(it) }
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}
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override fun setMTU(p0: Long) {
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TODO("Not yet implemented")
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}
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}
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class ParcelFileDescriptor(private val fd: android.os.ParcelFileDescriptor) :
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libtailscale.ParcelFileDescriptor {
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override fun detach(): Int {
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return fd.detachFd()
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}
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}
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@ -0,0 +1,21 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package com.tailscale.ipn.ui.util
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import java.io.InputStream
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class InputStreamAdapter(private val inputStream: InputStream) : libtailscale.InputStream {
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override fun read(): ByteArray? {
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val b = ByteArray(4096)
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val i = inputStream.read(b)
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if (i == -1) {
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return null
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}
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return b.sliceArray(0..i)
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}
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override fun close() {
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inputStream.close()
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}
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}
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@ -0,0 +1,129 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package libtailscale
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import (
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"sync"
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)
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var (
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// onVPNPrepared is notified when VpnService.prepare succeeds.
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onVPNPrepared = make(chan struct{}, 1)
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// onVPNClosed is notified when VpnService.prepare fails, or when
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// the a running VPN connection is closed.
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onVPNClosed = make(chan struct{}, 1)
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// onVPNRevoked is notified whenever the VPN service is revoked.
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onVPNRevoked = make(chan struct{}, 1)
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// onVPNRequested receives global IPNService references when
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// a VPN connection is requested.
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onVPNRequested = make(chan IPNService)
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// onDisconnect receives global IPNService references when
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// disconnecting.
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onDisconnect = make(chan IPNService)
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// onGoogleToken receives google ID tokens.
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onGoogleToken = make(chan string)
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// onWriteStorageGranted is notified when we are granted WRITE_STORAGE_PERMISSION.
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onWriteStorageGranted = make(chan struct{}, 1)
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// onDNSConfigChanged is notified when the network changes and the DNS config needs to be updated.
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onDNSConfigChanged = make(chan struct{}, 1)
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)
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const (
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// Request codes for Android callbacks.
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// requestSignin is for Google Sign-In.
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requestSignin = 1000 + iota
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// requestPrepareVPN is for when Android's VpnService.prepare
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// completes.
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requestPrepareVPN
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)
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// resultOK is Android's Activity.RESULT_OK.
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const resultOK = -1
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func OnShareIntent(nfiles int32, types []int32, mimes []string, items []string, names []string, sizes []int) {
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// TODO(oxtoacart): actually implement this
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// const (
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// typeNone = 0
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// typeInline = 1
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// typeURI = 2
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// )
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// jenv := (*jni.Env)(unsafe.Pointer(env))
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// var files []File
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// for i := 0; i < int(nfiles); i++ {
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// f := File{
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// Type: FileType(types[i]),
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// MIMEType: mimes[i],
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// Name: names[i],
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// }
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// if f.Name == "" {
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// f.Name = "file.bin"
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// }
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// switch f.Type {
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// case FileTypeText:
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// f.Text = items[i]
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// f.Size = int64(len(f.Text))
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// case FileTypeURI:
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// f.URI = items[i]
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// f.Size = sizes[i]
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// default:
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// panic("unknown file type")
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// }
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// files = append(files, f)
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// }
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// select {
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// case <-onFileShare:
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// default:
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// }
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// onFileShare <- files
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}
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func OnDnsConfigChanged() {
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select {
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case onDNSConfigChanged <- struct{}{}:
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default:
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}
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}
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//export Java_com_tailscale_ipn_App_onWriteStorageGranted
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func OnWriteStorageGranted() {
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select {
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case onWriteStorageGranted <- struct{}{}:
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default:
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}
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}
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func notifyVPNPrepared() {
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select {
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case onVPNPrepared <- struct{}{}:
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default:
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}
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}
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func notifyVPNRevoked() {
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select {
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case onVPNRevoked <- struct{}{}:
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default:
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}
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}
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func notifyVPNClosed() {
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select {
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case onVPNClosed <- struct{}{}:
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default:
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}
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}
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var android struct {
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// mu protects all fields of this structure. However, once a
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// non-nil jvm is returned from javaVM, all the other fields may
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// be accessed unlocked.
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mu sync.Mutex
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// appCtx is the global Android App context.
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appCtx AppContext
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}
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@ -0,0 +1,151 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package libtailscale
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import _ "golang.org/x/mobile/bind"
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// Start starts the application, storing state in the given dataDir and using
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// the given appCtx.
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func Start(dataDir string, appCtx AppContext) Application {
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return start(dataDir, appCtx)
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}
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// AppContext provides a context within which the Application is running. This
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// context is a hook into functionality that's implemented on the Java side.
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type AppContext interface {
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// Log logs the given tag and logLine
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Log(tag, logLine string)
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// EncryptToPref stores the given value to an encrypted preference at the
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// given key.
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EncryptToPref(key, value string) error
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// DecryptFromPref retrieves the given value from an encrypted preference
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// at the given key, or returns empty string if unset.
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DecryptFromPref(key string) (string, error)
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// GetOSVersion gets the Android version.
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GetOSVersion() (string, error)
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// GetModelName gets the Android device's model name.
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GetModelName() (string, error)
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// IsPlayVersion reports whether this is the Google Play version of the app
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// (as opposed to F-droid/sideloaded).
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IsPlayVersion() bool
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// IsChromeOS reports whether we're on a ChromeOS device.
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IsChromeOS() (bool, error)
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// GetInterfacesAsString gets a string representation of all network
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// interfaces.
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GetInterfacesAsString() (string, error)
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// GetPlatformDNSConfig gets a string representation of the current DNS
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// configuration.
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GetPlatformDNSConfig() string
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}
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// IPNService corresponds to our IPNService in Java.
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type IPNService interface {
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// ID returns the unique ID of this instance of the IPNService. Every time
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// we start a new IPN service, it should have a new ID.
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ID() string
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// Protect protects socket identified by the given file descriptor from
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// being captured by the VPN. The return value indicates whether or not the
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// socket was successfully protected.
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Protect(fd int32) bool
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// NewBuilder creates a new VPNServiceBuilder in preparation for starting
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// the Android VPN.
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NewBuilder() VPNServiceBuilder
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}
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// VPNServiceBuilder corresponds to Android's VpnService.Builder.
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type VPNServiceBuilder interface {
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SetMTU(int) error
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AddDNSServer(string) error
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AddSearchDomain(string) error
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AddRoute(string, int32) error
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AddAddress(string, int32) error
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Establish() (ParcelFileDescriptor, error)
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}
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// ParcelFileDescriptor corresponds to Android's ParcelFileDescriptor.
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type ParcelFileDescriptor interface {
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Detach() (int32, error)
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}
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// Application encapsulates the running Tailscale Application. There is only a
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// single instance of Application per Android application.
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type Application interface {
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// CallLocalAPI provides a mechanism for calling Tailscale's HTTP localapi
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// without having to call over the network.
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CallLocalAPI(timeoutMillis int, method, endpoint string, body InputStream) (LocalAPIResponse, error)
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// WatchNotifications provides a mechanism for subscribing to ipn.Notify
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// updates. The given NotificationCallback's OnNotify function is invoked
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// on every new ipn.Notify message. The returned NotificationManager
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// allows the watcher to stop watching notifications.
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WatchNotifications(mask int, cb NotificationCallback) NotificationManager
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}
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// LocalAPIResponse is a response to a localapi call, analogous to an http.Response.
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type LocalAPIResponse interface {
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StatusCode() int
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BodyBytes() ([]byte, error)
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BodyInputStream() InputStream
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}
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// NotificationCallback is callback for receiving ipn.Notify messages.
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type NotificationCallback interface {
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OnNotify([]byte) error
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}
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// NotificationManager provides a mechanism for a notification watcher to stop
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// watching notifications.
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type NotificationManager interface {
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Stop()
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}
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// InputStream provides an adapter between Java's InputStream and Go's
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// io.Reader.
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type InputStream interface {
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Read() ([]byte, error)
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Close() error
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}
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// The below are global callbacks that allow the Java application to notify Go
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// of various state changes.
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func OnVPNPrepared() {
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notifyVPNPrepared()
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}
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func RequestVPN(service IPNService) {
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onVPNRequested <- service
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}
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func ServiceDisconnect(service IPNService) {
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onDisconnect <- service
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}
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func OnActivityResult(reqCode, resCode int, idToken string) {
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switch reqCode {
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case requestSignin:
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if resCode != resultOK {
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onGoogleToken <- ""
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break
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}
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onGoogleToken <- idToken
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case requestPrepareVPN:
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if resCode == resultOK {
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notifyVPNPrepared()
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} else {
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notifyVPNClosed()
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notifyVPNRevoked()
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}
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}
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}
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@ -0,0 +1,149 @@
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// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package libtailscale
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import (
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"context"
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"fmt"
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"io"
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"log"
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"net"
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"net/http"
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"runtime/debug"
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"sync"
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"time"
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)
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// CallLocalAPI calls the given endpoint on the local API using the given HTTP method
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// optionally sending the given body. It returns a Response representing the
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// result of the call and an error if the call could not be completed or the
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// local API returned a status code in the 400 series or greater.
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// Note - Response includes a response body available from the Body method, it
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// is the caller's responsibility to close this.
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func (app *App) CallLocalAPI(timeoutMillis int, method, endpoint string, body InputStream) (LocalAPIResponse, error) {
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defer func() {
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if p := recover(); p != nil {
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log.Printf("panic in CallLocalAPI %s: %s", p, debug.Stack())
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panic(p)
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}
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}()
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app.ready.Wait()
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(uint64(timeoutMillis)*uint64(time.Millisecond)))
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defer cancel()
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if body != nil {
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defer body.Close()
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}
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req, err := http.NewRequestWithContext(ctx, method, endpoint, adaptInputStream(body))
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if err != nil {
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return nil, fmt.Errorf("error creating new request for %s: %w", endpoint, err)
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}
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deadline, _ := ctx.Deadline()
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pipeReader, pipeWriter := net.Pipe()
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pipeReader.SetDeadline(deadline)
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pipeWriter.SetDeadline(deadline)
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resp := &Response{
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headers: http.Header{},
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status: http.StatusOK,
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bodyReader: pipeReader,
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bodyWriter: pipeWriter,
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startWritingBody: make(chan interface{}),
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}
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go func() {
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defer func() {
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if p := recover(); p != nil {
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log.Printf("panic in CallLocalAPI.ServeHTTP %s: %s", p, debug.Stack())
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panic(p)
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}
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}()
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app.localAPIHandler.ServeHTTP(resp, req)
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resp.Flush()
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pipeWriter.Close()
|
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}()
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select {
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case <-resp.startWritingBody:
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return resp, nil
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case <-ctx.Done():
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return nil, fmt.Errorf("timeout for %s", endpoint)
|
||||
}
|
||||
}
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// Response represents the result of processing an localAPI request.
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// On completion, the response body can be read out of the bodyWriter.
|
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type Response struct {
|
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headers http.Header
|
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status int
|
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bodyWriter net.Conn
|
||||
bodyReader net.Conn
|
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startWritingBody chan interface{}
|
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startWritingBodyOnce sync.Once
|
||||
}
|
||||
|
||||
func (r *Response) Header() http.Header {
|
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return r.headers
|
||||
}
|
||||
|
||||
// Write writes the data to the response body which an then be
|
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// read out as a json object.
|
||||
func (r *Response) Write(data []byte) (int, error) {
|
||||
r.Flush()
|
||||
if r.status == 0 {
|
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r.WriteHeader(http.StatusOK)
|
||||
}
|
||||
return r.bodyWriter.Write(data)
|
||||
}
|
||||
|
||||
func (r *Response) WriteHeader(statusCode int) {
|
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r.status = statusCode
|
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}
|
||||
|
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func (r *Response) Body() net.Conn {
|
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return r.bodyReader
|
||||
}
|
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|
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func (r *Response) BodyBytes() ([]byte, error) {
|
||||
return io.ReadAll(r.bodyReader)
|
||||
}
|
||||
|
||||
func (r *Response) BodyInputStream() InputStream {
|
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return nil
|
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}
|
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|
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func (r *Response) StatusCode() int {
|
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return r.status
|
||||
}
|
||||
|
||||
func (r *Response) Flush() {
|
||||
r.startWritingBodyOnce.Do(func() {
|
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close(r.startWritingBody)
|
||||
})
|
||||
}
|
||||
|
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func adaptInputStream(in InputStream) io.Reader {
|
||||
if in == nil {
|
||||
return nil
|
||||
}
|
||||
r, w := io.Pipe()
|
||||
go func() {
|
||||
defer w.Close()
|
||||
for {
|
||||
b, err := in.Read()
|
||||
if err != nil {
|
||||
log.Printf("error reading from inputstream: %s", err)
|
||||
}
|
||||
if b == nil {
|
||||
return
|
||||
}
|
||||
w.Write(b)
|
||||
}
|
||||
}()
|
||||
return r
|
||||
}
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||||
@ -0,0 +1,48 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package libtailscale
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"log"
|
||||
"runtime/debug"
|
||||
|
||||
"tailscale.com/ipn"
|
||||
)
|
||||
|
||||
func (app *App) WatchNotifications(mask int, cb NotificationCallback) NotificationManager {
|
||||
app.ready.Wait()
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
go app.backend.WatchNotifications(ctx, ipn.NotifyWatchOpt(mask), func() {}, func(notify *ipn.Notify) bool {
|
||||
defer func() {
|
||||
if p := recover(); p != nil {
|
||||
log.Printf("panic in WatchNotifications %s: %s", p, debug.Stack())
|
||||
panic(p)
|
||||
}
|
||||
}()
|
||||
|
||||
b, err := json.Marshal(notify)
|
||||
if err != nil {
|
||||
log.Printf("error: WatchNotifications: marshal notify: %s", err)
|
||||
return true
|
||||
}
|
||||
err = cb.OnNotify(b)
|
||||
if err != nil {
|
||||
log.Printf("error: WatchNotifications: OnNotify: %s", err)
|
||||
return true
|
||||
}
|
||||
return true
|
||||
})
|
||||
return ¬ificationManager{cancel}
|
||||
}
|
||||
|
||||
type notificationManager struct {
|
||||
cancel func()
|
||||
}
|
||||
|
||||
func (nm *notificationManager) Stop() {
|
||||
nm.cancel()
|
||||
}
|
||||
@ -1,506 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
// Package jni implements various helper functions for communicating with the Android JVM
|
||||
// though JNI.
|
||||
package jnipkg
|
||||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"reflect"
|
||||
"runtime"
|
||||
"sync"
|
||||
"unicode/utf16"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
/*
|
||||
#cgo CFLAGS: -Wall
|
||||
|
||||
#include <jni.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
static jint jni_AttachCurrentThread(JavaVM *vm, JNIEnv **p_env, void *thr_args) {
|
||||
return (*vm)->AttachCurrentThread(vm, p_env, thr_args);
|
||||
}
|
||||
|
||||
static jint jni_DetachCurrentThread(JavaVM *vm) {
|
||||
return (*vm)->DetachCurrentThread(vm);
|
||||
}
|
||||
|
||||
static jint jni_GetEnv(JavaVM *vm, JNIEnv **env, jint version) {
|
||||
return (*vm)->GetEnv(vm, (void **)env, version);
|
||||
}
|
||||
|
||||
static jclass jni_FindClass(JNIEnv *env, const char *name) {
|
||||
return (*env)->FindClass(env, name);
|
||||
}
|
||||
|
||||
static jthrowable jni_ExceptionOccurred(JNIEnv *env) {
|
||||
return (*env)->ExceptionOccurred(env);
|
||||
}
|
||||
|
||||
static void jni_ExceptionClear(JNIEnv *env) {
|
||||
(*env)->ExceptionClear(env);
|
||||
}
|
||||
|
||||
static jclass jni_GetObjectClass(JNIEnv *env, jobject obj) {
|
||||
return (*env)->GetObjectClass(env, obj);
|
||||
}
|
||||
|
||||
static jmethodID jni_GetMethodID(JNIEnv *env, jclass clazz, const char *name, const char *sig) {
|
||||
return (*env)->GetMethodID(env, clazz, name, sig);
|
||||
}
|
||||
|
||||
static jmethodID jni_GetStaticMethodID(JNIEnv *env, jclass clazz, const char *name, const char *sig) {
|
||||
return (*env)->GetStaticMethodID(env, clazz, name, sig);
|
||||
}
|
||||
|
||||
static jsize jni_GetStringLength(JNIEnv *env, jstring str) {
|
||||
return (*env)->GetStringLength(env, str);
|
||||
}
|
||||
|
||||
static const jchar *jni_GetStringChars(JNIEnv *env, jstring str) {
|
||||
return (*env)->GetStringChars(env, str, NULL);
|
||||
}
|
||||
|
||||
static jstring jni_NewString(JNIEnv *env, const jchar *unicodeChars, jsize len) {
|
||||
return (*env)->NewString(env, unicodeChars, len);
|
||||
}
|
||||
|
||||
static jboolean jni_IsSameObject(JNIEnv *env, jobject ref1, jobject ref2) {
|
||||
return (*env)->IsSameObject(env, ref1, ref2);
|
||||
}
|
||||
|
||||
static jobject jni_NewGlobalRef(JNIEnv *env, jobject obj) {
|
||||
return (*env)->NewGlobalRef(env, obj);
|
||||
}
|
||||
|
||||
static void jni_DeleteGlobalRef(JNIEnv *env, jobject obj) {
|
||||
(*env)->DeleteGlobalRef(env, obj);
|
||||
}
|
||||
|
||||
static void jni_CallStaticVoidMethodA(JNIEnv *env, jclass cls, jmethodID method, jvalue *args) {
|
||||
(*env)->CallStaticVoidMethodA(env, cls, method, args);
|
||||
}
|
||||
|
||||
static jint jni_CallStaticIntMethodA(JNIEnv *env, jclass cls, jmethodID method, jvalue *args) {
|
||||
return (*env)->CallStaticIntMethodA(env, cls, method, args);
|
||||
}
|
||||
|
||||
static jobject jni_CallStaticObjectMethodA(JNIEnv *env, jclass cls, jmethodID method, jvalue *args) {
|
||||
return (*env)->CallStaticObjectMethodA(env, cls, method, args);
|
||||
}
|
||||
|
||||
static jobject jni_CallObjectMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
|
||||
return (*env)->CallObjectMethodA(env, obj, method, args);
|
||||
}
|
||||
|
||||
static jboolean jni_CallBooleanMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
|
||||
return (*env)->CallBooleanMethodA(env, obj, method, args);
|
||||
}
|
||||
|
||||
static jint jni_CallIntMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
|
||||
return (*env)->CallIntMethodA(env, obj, method, args);
|
||||
}
|
||||
|
||||
static void jni_CallVoidMethodA(JNIEnv *env, jobject obj, jmethodID method, jvalue *args) {
|
||||
(*env)->CallVoidMethodA(env, obj, method, args);
|
||||
}
|
||||
|
||||
static jbyteArray jni_NewByteArray(JNIEnv *env, jsize length) {
|
||||
return (*env)->NewByteArray(env, length);
|
||||
}
|
||||
|
||||
static jboolean *jni_GetBooleanArrayElements(JNIEnv *env, jbooleanArray arr) {
|
||||
return (*env)->GetBooleanArrayElements(env, arr, NULL);
|
||||
}
|
||||
|
||||
static void jni_ReleaseBooleanArrayElements(JNIEnv *env, jbooleanArray arr, jboolean *elems, jint mode) {
|
||||
(*env)->ReleaseBooleanArrayElements(env, arr, elems, mode);
|
||||
}
|
||||
|
||||
static jbyte *jni_GetByteArrayElements(JNIEnv *env, jbyteArray arr) {
|
||||
return (*env)->GetByteArrayElements(env, arr, NULL);
|
||||
}
|
||||
|
||||
static jint *jni_GetIntArrayElements(JNIEnv *env, jintArray arr) {
|
||||
return (*env)->GetIntArrayElements(env, arr, NULL);
|
||||
}
|
||||
|
||||
static void jni_ReleaseIntArrayElements(JNIEnv *env, jintArray arr, jint *elems, jint mode) {
|
||||
(*env)->ReleaseIntArrayElements(env, arr, elems, mode);
|
||||
}
|
||||
|
||||
static jlong *jni_GetLongArrayElements(JNIEnv *env, jlongArray arr) {
|
||||
return (*env)->GetLongArrayElements(env, arr, NULL);
|
||||
}
|
||||
|
||||
static void jni_ReleaseLongArrayElements(JNIEnv *env, jlongArray arr, jlong *elems, jint mode) {
|
||||
(*env)->ReleaseLongArrayElements(env, arr, elems, mode);
|
||||
}
|
||||
|
||||
static void jni_ReleaseByteArrayElements(JNIEnv *env, jbyteArray arr, jbyte *elems, jint mode) {
|
||||
(*env)->ReleaseByteArrayElements(env, arr, elems, mode);
|
||||
}
|
||||
|
||||
static jsize jni_GetArrayLength(JNIEnv *env, jarray arr) {
|
||||
return (*env)->GetArrayLength(env, arr);
|
||||
}
|
||||
|
||||
static void jni_DeleteLocalRef(JNIEnv *env, jobject localRef) {
|
||||
return (*env)->DeleteLocalRef(env, localRef);
|
||||
}
|
||||
|
||||
static jobject jni_GetObjectArrayElement(JNIEnv *env, jobjectArray array, jsize index) {
|
||||
return (*env)->GetObjectArrayElement(env, array, index);
|
||||
}
|
||||
|
||||
static jboolean jni_IsInstanceOf(JNIEnv *env, jobject obj, jclass clazz) {
|
||||
return (*env)->IsInstanceOf(env, obj, clazz);
|
||||
}
|
||||
|
||||
static jint jni_GetJavaVM(JNIEnv *env, JavaVM **jvm) {
|
||||
return (*env)->GetJavaVM(env, jvm);
|
||||
}
|
||||
*/
|
||||
import "C"
|
||||
|
||||
type JVM C.JavaVM
|
||||
|
||||
type Env C.JNIEnv
|
||||
|
||||
type (
|
||||
Class C.jclass
|
||||
Object C.jobject
|
||||
MethodID C.jmethodID
|
||||
String C.jstring
|
||||
ByteArray C.jbyteArray
|
||||
ObjectArray C.jobjectArray
|
||||
BooleanArray C.jbooleanArray
|
||||
LongArray C.jlongArray
|
||||
IntArray C.jintArray
|
||||
Boolean C.jboolean
|
||||
Value uint64 // All JNI types fit into 64-bits.
|
||||
)
|
||||
|
||||
// Cached class handles.
|
||||
var classes struct {
|
||||
once sync.Once
|
||||
stringClass, integerClass Class
|
||||
|
||||
integerIntValue MethodID
|
||||
}
|
||||
|
||||
func env(e *Env) *C.JNIEnv {
|
||||
return (*C.JNIEnv)(unsafe.Pointer(e))
|
||||
}
|
||||
|
||||
func javavm(vm *JVM) *C.JavaVM {
|
||||
return (*C.JavaVM)(unsafe.Pointer(vm))
|
||||
}
|
||||
|
||||
// Do invokes a function with a temporary JVM environment. The
|
||||
// environment is not valid after the function returns.
|
||||
func Do(vm *JVM, f func(env *Env) error) error {
|
||||
runtime.LockOSThread()
|
||||
defer runtime.UnlockOSThread()
|
||||
var env *C.JNIEnv
|
||||
if res := C.jni_GetEnv(javavm(vm), &env, C.JNI_VERSION_1_6); res != C.JNI_OK {
|
||||
if res != C.JNI_EDETACHED {
|
||||
panic(fmt.Errorf("JNI GetEnv failed with error %d", res))
|
||||
}
|
||||
if C.jni_AttachCurrentThread(javavm(vm), &env, nil) != C.JNI_OK {
|
||||
panic(errors.New("runInJVM: AttachCurrentThread failed"))
|
||||
}
|
||||
defer C.jni_DetachCurrentThread(javavm(vm))
|
||||
}
|
||||
|
||||
return f((*Env)(unsafe.Pointer(env)))
|
||||
}
|
||||
|
||||
func Bool(b bool) Boolean {
|
||||
if b {
|
||||
return C.JNI_TRUE
|
||||
}
|
||||
return C.JNI_FALSE
|
||||
}
|
||||
|
||||
func varArgs(args []Value) *C.jvalue {
|
||||
if len(args) == 0 {
|
||||
return nil
|
||||
}
|
||||
return (*C.jvalue)(unsafe.Pointer(&args[0]))
|
||||
}
|
||||
|
||||
func IsSameObject(e *Env, ref1, ref2 Object) bool {
|
||||
same := C.jni_IsSameObject(env(e), C.jobject(ref1), C.jobject(ref2))
|
||||
return same == C.JNI_TRUE
|
||||
}
|
||||
|
||||
func CallStaticIntMethod(e *Env, cls Class, method MethodID, args ...Value) (int, error) {
|
||||
res := C.jni_CallStaticIntMethodA(env(e), C.jclass(cls), C.jmethodID(method), varArgs(args))
|
||||
return int(res), exception(e)
|
||||
}
|
||||
|
||||
func CallStaticVoidMethod(e *Env, cls Class, method MethodID, args ...Value) error {
|
||||
C.jni_CallStaticVoidMethodA(env(e), C.jclass(cls), C.jmethodID(method), varArgs(args))
|
||||
return exception(e)
|
||||
}
|
||||
|
||||
func CallVoidMethod(e *Env, obj Object, method MethodID, args ...Value) error {
|
||||
C.jni_CallVoidMethodA(env(e), C.jobject(obj), C.jmethodID(method), varArgs(args))
|
||||
return exception(e)
|
||||
}
|
||||
|
||||
func CallStaticObjectMethod(e *Env, cls Class, method MethodID, args ...Value) (Object, error) {
|
||||
res := C.jni_CallStaticObjectMethodA(env(e), C.jclass(cls), C.jmethodID(method), varArgs(args))
|
||||
return Object(res), exception(e)
|
||||
}
|
||||
|
||||
func CallObjectMethod(e *Env, obj Object, method MethodID, args ...Value) (Object, error) {
|
||||
res := C.jni_CallObjectMethodA(env(e), C.jobject(obj), C.jmethodID(method), varArgs(args))
|
||||
return Object(res), exception(e)
|
||||
}
|
||||
|
||||
func CallBooleanMethod(e *Env, obj Object, method MethodID, args ...Value) (bool, error) {
|
||||
res := C.jni_CallBooleanMethodA(env(e), C.jobject(obj), C.jmethodID(method), varArgs(args))
|
||||
return res == C.JNI_TRUE, exception(e)
|
||||
}
|
||||
|
||||
func CallIntMethod(e *Env, obj Object, method MethodID, args ...Value) (int32, error) {
|
||||
res := C.jni_CallIntMethodA(env(e), C.jobject(obj), C.jmethodID(method), varArgs(args))
|
||||
return int32(res), exception(e)
|
||||
}
|
||||
|
||||
func GetArrayLength(e *Env, jarr ByteArray) int {
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
return int(size)
|
||||
}
|
||||
|
||||
// GetByteArrayElements returns the contents of the byte array.
|
||||
func GetByteArrayElements(e *Env, jarr ByteArray) []byte {
|
||||
if jarr == 0 {
|
||||
return nil
|
||||
}
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
elems := C.jni_GetByteArrayElements(env(e), C.jbyteArray(jarr))
|
||||
defer C.jni_ReleaseByteArrayElements(env(e), C.jbyteArray(jarr), elems, 0)
|
||||
backing := (*(*[1 << 30]byte)(unsafe.Pointer(elems)))[:size:size]
|
||||
s := make([]byte, len(backing))
|
||||
copy(s, backing)
|
||||
return s
|
||||
}
|
||||
|
||||
// GetBooleanArrayElements returns the contents of the boolean array.
|
||||
func GetBooleanArrayElements(e *Env, jarr BooleanArray) []bool {
|
||||
if jarr == 0 {
|
||||
return nil
|
||||
}
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
elems := C.jni_GetBooleanArrayElements(env(e), C.jbooleanArray(jarr))
|
||||
defer C.jni_ReleaseBooleanArrayElements(env(e), C.jbooleanArray(jarr), elems, 0)
|
||||
backing := (*(*[1 << 30]C.jboolean)(unsafe.Pointer(elems)))[:size:size]
|
||||
r := make([]bool, len(backing))
|
||||
for i, b := range backing {
|
||||
r[i] = b == C.JNI_TRUE
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
// GetStringArrayElements returns the contents of the String array.
|
||||
func GetStringArrayElements(e *Env, jarr ObjectArray) []string {
|
||||
var strings []string
|
||||
iterateObjectArray(e, jarr, func(e *Env, idx int, item Object) {
|
||||
s := GoString(e, String(item))
|
||||
strings = append(strings, s)
|
||||
})
|
||||
return strings
|
||||
}
|
||||
|
||||
// GetIntArrayElements returns the contents of the int array.
|
||||
func GetIntArrayElements(e *Env, jarr IntArray) []int {
|
||||
if jarr == 0 {
|
||||
return nil
|
||||
}
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
elems := C.jni_GetIntArrayElements(env(e), C.jintArray(jarr))
|
||||
defer C.jni_ReleaseIntArrayElements(env(e), C.jintArray(jarr), elems, 0)
|
||||
backing := (*(*[1 << 27]C.jint)(unsafe.Pointer(elems)))[:size:size]
|
||||
r := make([]int, len(backing))
|
||||
for i, l := range backing {
|
||||
r[i] = int(l)
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
// GetLongArrayElements returns the contents of the long array.
|
||||
func GetLongArrayElements(e *Env, jarr LongArray) []int64 {
|
||||
if jarr == 0 {
|
||||
return nil
|
||||
}
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
elems := C.jni_GetLongArrayElements(env(e), C.jlongArray(jarr))
|
||||
defer C.jni_ReleaseLongArrayElements(env(e), C.jlongArray(jarr), elems, 0)
|
||||
backing := (*(*[1 << 27]C.jlong)(unsafe.Pointer(elems)))[:size:size]
|
||||
r := make([]int64, len(backing))
|
||||
for i, l := range backing {
|
||||
r[i] = int64(l)
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
func iterateObjectArray(e *Env, jarr ObjectArray, f func(e *Env, idx int, item Object)) {
|
||||
if jarr == 0 {
|
||||
return
|
||||
}
|
||||
size := C.jni_GetArrayLength(env(e), C.jarray(jarr))
|
||||
for i := 0; i < int(size); i++ {
|
||||
item := C.jni_GetObjectArrayElement(env(e), C.jobjectArray(jarr), C.jint(i))
|
||||
f(e, i, Object(item))
|
||||
C.jni_DeleteLocalRef(env(e), item)
|
||||
}
|
||||
}
|
||||
|
||||
// NewByteArray allocates a Java byte array with the content. It
|
||||
// panics if the allocation fails.
|
||||
func NewByteArray(e *Env, content []byte) ByteArray {
|
||||
jarr := C.jni_NewByteArray(env(e), C.jsize(len(content)))
|
||||
if jarr == 0 {
|
||||
panic(fmt.Errorf("jni: NewByteArray(%d) failed", len(content)))
|
||||
}
|
||||
elems := C.jni_GetByteArrayElements(env(e), jarr)
|
||||
defer C.jni_ReleaseByteArrayElements(env(e), jarr, elems, 0)
|
||||
backing := (*(*[1 << 30]byte)(unsafe.Pointer(elems)))[:len(content):len(content)]
|
||||
copy(backing, content)
|
||||
return ByteArray(jarr)
|
||||
}
|
||||
|
||||
// ClassLoader returns a reference to the Java ClassLoader associated
|
||||
// with obj.
|
||||
func ClassLoaderFor(e *Env, obj Object) Object {
|
||||
cls := GetObjectClass(e, obj)
|
||||
getClassLoader := GetMethodID(e, cls, "getClassLoader", "()Ljava/lang/ClassLoader;")
|
||||
clsLoader, err := CallObjectMethod(e, Object(obj), getClassLoader)
|
||||
if err != nil {
|
||||
// Class.getClassLoader should never fail.
|
||||
panic(err)
|
||||
}
|
||||
return Object(clsLoader)
|
||||
}
|
||||
|
||||
// LoadClass invokes the underlying ClassLoader's loadClass method and
|
||||
// returns the class.
|
||||
func LoadClass(e *Env, loader Object, class string) (Class, error) {
|
||||
cls := GetObjectClass(e, loader)
|
||||
loadClass := GetMethodID(e, cls, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;")
|
||||
name := JavaString(e, class)
|
||||
loaded, err := CallObjectMethod(e, loader, loadClass, Value(name))
|
||||
if err != nil {
|
||||
return 0, err
|
||||
}
|
||||
return Class(loaded), exception(e)
|
||||
}
|
||||
|
||||
// exception returns an error corresponding to the pending
|
||||
// exception, and clears it. exceptionError returns nil if no
|
||||
// exception is pending.
|
||||
func exception(e *Env) error {
|
||||
thr := C.jni_ExceptionOccurred(env(e))
|
||||
if thr == 0 {
|
||||
return nil
|
||||
}
|
||||
C.jni_ExceptionClear(env(e))
|
||||
cls := GetObjectClass(e, Object(thr))
|
||||
toString := GetMethodID(e, cls, "toString", "()Ljava/lang/String;")
|
||||
msg, err := CallObjectMethod(e, Object(thr), toString)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return errors.New(GoString(e, String(msg)))
|
||||
}
|
||||
|
||||
// GetObjectClass returns the Java Class for an Object.
|
||||
func GetObjectClass(e *Env, obj Object) Class {
|
||||
if obj == 0 {
|
||||
panic("null object")
|
||||
}
|
||||
cls := C.jni_GetObjectClass(env(e), C.jobject(obj))
|
||||
if err := exception(e); err != nil {
|
||||
// GetObjectClass should never fail.
|
||||
panic(err)
|
||||
}
|
||||
return Class(cls)
|
||||
}
|
||||
|
||||
// GetStaticMethodID returns the id for a static method. It panics if the method
|
||||
// wasn't found.
|
||||
func GetStaticMethodID(e *Env, cls Class, name, signature string) MethodID {
|
||||
mname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(mname))
|
||||
msig := C.CString(signature)
|
||||
defer C.free(unsafe.Pointer(msig))
|
||||
m := C.jni_GetStaticMethodID(env(e), C.jclass(cls), mname, msig)
|
||||
if err := exception(e); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return MethodID(m)
|
||||
}
|
||||
|
||||
// GetMethodID returns the id for a method. It panics if the method
|
||||
// wasn't found.
|
||||
func GetMethodID(e *Env, cls Class, name, signature string) MethodID {
|
||||
mname := C.CString(name)
|
||||
defer C.free(unsafe.Pointer(mname))
|
||||
msig := C.CString(signature)
|
||||
defer C.free(unsafe.Pointer(msig))
|
||||
m := C.jni_GetMethodID(env(e), C.jclass(cls), mname, msig)
|
||||
if err := exception(e); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
return MethodID(m)
|
||||
}
|
||||
|
||||
func NewGlobalRef(e *Env, obj Object) Object {
|
||||
return Object(C.jni_NewGlobalRef(env(e), C.jobject(obj)))
|
||||
}
|
||||
|
||||
func DeleteGlobalRef(e *Env, obj Object) {
|
||||
C.jni_DeleteGlobalRef(env(e), C.jobject(obj))
|
||||
}
|
||||
|
||||
// JavaString converts the string to a JVM jstring.
|
||||
func JavaString(e *Env, str string) String {
|
||||
if str == "" {
|
||||
return 0
|
||||
}
|
||||
utf16Chars := utf16.Encode([]rune(str))
|
||||
res := C.jni_NewString(env(e), (*C.jchar)(unsafe.Pointer(&utf16Chars[0])), C.int(len(utf16Chars)))
|
||||
return String(res)
|
||||
}
|
||||
|
||||
// GoString converts the JVM jstring to a Go string.
|
||||
func GoString(e *Env, str String) string {
|
||||
if str == 0 {
|
||||
return ""
|
||||
}
|
||||
strlen := C.jni_GetStringLength(env(e), C.jstring(str))
|
||||
chars := C.jni_GetStringChars(env(e), C.jstring(str))
|
||||
var utf16Chars []uint16
|
||||
hdr := (*reflect.SliceHeader)(unsafe.Pointer(&utf16Chars))
|
||||
hdr.Data = uintptr(unsafe.Pointer(chars))
|
||||
hdr.Cap = int(strlen)
|
||||
hdr.Len = int(strlen)
|
||||
utf8 := utf16.Decode(utf16Chars)
|
||||
return string(utf8)
|
||||
}
|
||||
|
||||
func GetJavaVM(e *Env) (*JVM, error) {
|
||||
var jvm *C.JavaVM
|
||||
result := C.jni_GetJavaVM(env(e), &jvm)
|
||||
if result != C.JNI_OK {
|
||||
return nil, errors.New("failed to get JavaVM")
|
||||
}
|
||||
return (*JVM)(jvm), nil
|
||||
}
|
||||
@ -1,76 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package localapiservice
|
||||
|
||||
import (
|
||||
"context"
|
||||
"io"
|
||||
"net/http"
|
||||
"testing"
|
||||
"time"
|
||||
)
|
||||
|
||||
var ctx = context.Background()
|
||||
|
||||
type BadStatusHandler struct{}
|
||||
|
||||
func (b *BadStatusHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
w.WriteHeader(http.StatusBadRequest)
|
||||
}
|
||||
|
||||
func TestBadStatus(t *testing.T) {
|
||||
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(2*time.Second))
|
||||
client := New(&BadStatusHandler{})
|
||||
defer cancel()
|
||||
|
||||
_, err := client.Call(ctx, "POST", "test", nil)
|
||||
|
||||
if err.Error() != "request failed with status code 400" {
|
||||
t.Error("Expected bad status error, but got", err)
|
||||
}
|
||||
}
|
||||
|
||||
type TimeoutHandler struct{}
|
||||
|
||||
var successfulResponse = "successful response!"
|
||||
|
||||
func (b *TimeoutHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
time.Sleep(6 * time.Second)
|
||||
w.Write([]byte(successfulResponse))
|
||||
}
|
||||
|
||||
func TestTimeout(t *testing.T) {
|
||||
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(2*time.Second))
|
||||
client := New(&TimeoutHandler{})
|
||||
defer cancel()
|
||||
|
||||
_, err := client.Call(ctx, "GET", "test", nil)
|
||||
|
||||
if err.Error() != "timeout for test" {
|
||||
t.Error("Expected timeout error, but got", err)
|
||||
}
|
||||
}
|
||||
|
||||
type SuccessfulHandler struct{}
|
||||
|
||||
func (b *SuccessfulHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
|
||||
w.Write([]byte(successfulResponse))
|
||||
}
|
||||
|
||||
func TestSuccess(t *testing.T) {
|
||||
ctx, cancel := context.WithDeadline(ctx, time.Now().Add(2*time.Second))
|
||||
client := New(&SuccessfulHandler{})
|
||||
defer cancel()
|
||||
|
||||
w, err := client.Call(ctx, "GET", "test", nil)
|
||||
|
||||
if err != nil {
|
||||
t.Error("Expected no error, but got", err)
|
||||
}
|
||||
|
||||
report, err := io.ReadAll(w.Body())
|
||||
if string(report) != successfulResponse {
|
||||
t.Error("Expected successful report, but got", report)
|
||||
}
|
||||
}
|
||||
@ -1,113 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package localapiservice
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
"io"
|
||||
"log"
|
||||
"net"
|
||||
"net/http"
|
||||
"time"
|
||||
|
||||
"tailscale.com/ipn/ipnlocal"
|
||||
)
|
||||
|
||||
type LocalAPIService struct {
|
||||
h http.Handler
|
||||
}
|
||||
|
||||
func New(h http.Handler) *LocalAPIService {
|
||||
return &LocalAPIService{h: h}
|
||||
}
|
||||
|
||||
// Call calls the given endpoint on the local API using the given HTTP method
|
||||
// optionally sending the given body. It returns a Response representing the
|
||||
// result of the call and an error if the call could not be completed or the
|
||||
// local API returned a status code in the 400 series or greater.
|
||||
// Note - Response includes a response body available from the Body method, it
|
||||
// is the caller's responsibility to close this.
|
||||
func (cl *LocalAPIService) Call(ctx context.Context, method, endpoint string, body io.Reader) (*Response, error) {
|
||||
req, err := http.NewRequestWithContext(ctx, method, endpoint, body)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error creating new request for %s: %w", endpoint, err)
|
||||
}
|
||||
deadline, _ := ctx.Deadline()
|
||||
pipeReader, pipeWriter := net.Pipe()
|
||||
pipeReader.SetDeadline(deadline)
|
||||
pipeWriter.SetDeadline(deadline)
|
||||
|
||||
resp := &Response{
|
||||
headers: http.Header{},
|
||||
status: http.StatusOK,
|
||||
bodyReader: pipeReader,
|
||||
bodyWriter: pipeWriter,
|
||||
startWritingBody: make(chan interface{}),
|
||||
}
|
||||
|
||||
go func() {
|
||||
cl.h.ServeHTTP(resp, req)
|
||||
resp.Flush()
|
||||
pipeWriter.Close()
|
||||
}()
|
||||
|
||||
select {
|
||||
case <-resp.startWritingBody:
|
||||
if resp.StatusCode() >= 400 {
|
||||
return resp, fmt.Errorf("request failed with status code %d", resp.StatusCode())
|
||||
}
|
||||
return resp, nil
|
||||
case <-ctx.Done():
|
||||
return nil, fmt.Errorf("timeout for %s", endpoint)
|
||||
}
|
||||
}
|
||||
|
||||
func (s *LocalAPIService) GetBugReportID(ctx context.Context, bugReportChan chan<- string, fallbackLog string) {
|
||||
ctx, cancel := context.WithTimeout(ctx, 2*time.Second)
|
||||
defer cancel()
|
||||
r, err := s.Call(ctx, "POST", "/localapi/v0/bugreport", nil)
|
||||
defer r.Body().Close()
|
||||
|
||||
if err != nil {
|
||||
log.Printf("get bug report: %s", err)
|
||||
bugReportChan <- fallbackLog
|
||||
return
|
||||
}
|
||||
logBytes, err := io.ReadAll(r.Body())
|
||||
if err != nil {
|
||||
log.Printf("read bug report: %s", err)
|
||||
bugReportChan <- fallbackLog
|
||||
return
|
||||
}
|
||||
bugReportChan <- string(logBytes)
|
||||
}
|
||||
|
||||
func (s *LocalAPIService) Login(ctx context.Context, backend *ipnlocal.LocalBackend) {
|
||||
ctx, cancel := context.WithTimeout(ctx, 60*time.Second)
|
||||
defer cancel()
|
||||
r, err := s.Call(ctx, "POST", "/localapi/v0/login-interactive", nil)
|
||||
defer r.Body().Close()
|
||||
|
||||
if err != nil {
|
||||
log.Printf("login: %s", err)
|
||||
backend.StartLoginInteractive()
|
||||
}
|
||||
}
|
||||
|
||||
func (s *LocalAPIService) Logout(ctx context.Context, backend *ipnlocal.LocalBackend) error {
|
||||
ctx, cancel := context.WithTimeout(ctx, 60*time.Second)
|
||||
defer cancel()
|
||||
r, err := s.Call(ctx, "POST", "/localapi/v0/logout", nil)
|
||||
defer r.Body().Close()
|
||||
|
||||
if err != nil {
|
||||
log.Printf("logout: %s", err)
|
||||
logoutctx, logoutcancel := context.WithTimeout(ctx, 5*time.Minute)
|
||||
defer logoutcancel()
|
||||
backend.Logout(logoutctx)
|
||||
}
|
||||
|
||||
return err
|
||||
}
|
||||
@ -1,202 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package localapiservice
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"encoding/json"
|
||||
"io"
|
||||
"log"
|
||||
"time"
|
||||
"unsafe"
|
||||
|
||||
jnipkg "github.com/tailscale/tailscale-android/pkg/jni"
|
||||
"tailscale.com/ipn"
|
||||
"tailscale.com/ipn/ipnlocal"
|
||||
)
|
||||
|
||||
// #include <jni.h>
|
||||
import "C"
|
||||
|
||||
// Shims the LocalApiClient class from the Kotlin side to the Go side's LocalAPIService.
|
||||
var shim struct {
|
||||
// localApiClient is a global reference to the com.tailscale.ipn.ui.localapi.LocalApiClient class.
|
||||
clientClass jnipkg.Class
|
||||
|
||||
// notifierClass is a global reference to the com.tailscale.ipn.ui.notifier.Notifier class.
|
||||
notifierClass jnipkg.Class
|
||||
|
||||
// Typically a shared LocalAPIService instance.
|
||||
service *LocalAPIService
|
||||
|
||||
backend *ipnlocal.LocalBackend
|
||||
|
||||
busWatchers map[string]func()
|
||||
|
||||
jvm *jnipkg.JVM
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_ui_localapi_LocalApiClient_doRequest
|
||||
func Java_com_tailscale_ipn_ui_localapi_LocalApiClient_doRequest(
|
||||
env *C.JNIEnv,
|
||||
cls C.jclass,
|
||||
jpath C.jstring,
|
||||
jmethod C.jstring,
|
||||
jbody C.jbyteArray,
|
||||
jcookie C.jstring) {
|
||||
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
|
||||
// The API Path
|
||||
pathRef := jnipkg.NewGlobalRef(jenv, jnipkg.Object(jpath))
|
||||
pathStr := jnipkg.GoString(jenv, jnipkg.String(pathRef))
|
||||
defer jnipkg.DeleteGlobalRef(jenv, pathRef)
|
||||
|
||||
// The HTTP verb
|
||||
methodRef := jnipkg.NewGlobalRef(jenv, jnipkg.Object(jmethod))
|
||||
methodStr := jnipkg.GoString(jenv, jnipkg.String(methodRef))
|
||||
defer jnipkg.DeleteGlobalRef(jenv, methodRef)
|
||||
|
||||
// The body string. This is optional and may be empty.
|
||||
bodyRef := jnipkg.NewGlobalRef(jenv, jnipkg.Object(jbody))
|
||||
bodyArray := jnipkg.GetByteArrayElements(jenv, jnipkg.ByteArray(bodyRef))
|
||||
defer jnipkg.DeleteGlobalRef(jenv, bodyRef)
|
||||
|
||||
resp := doLocalAPIRequest(pathStr, methodStr, bodyArray)
|
||||
|
||||
jrespBody := jnipkg.NewByteArray(jenv, resp)
|
||||
respBody := jnipkg.Value(jrespBody)
|
||||
cookie := jnipkg.Value(jcookie)
|
||||
onResponse := jnipkg.GetMethodID(jenv, shim.clientClass, "onResponse", "([BLjava/lang/String;)V")
|
||||
|
||||
jnipkg.CallVoidMethod(jenv, jnipkg.Object(cls), onResponse, respBody, cookie)
|
||||
}
|
||||
|
||||
func doLocalAPIRequest(path string, method string, body []byte) []byte {
|
||||
if shim.service == nil {
|
||||
return []byte("{\"error\":\"Not Ready\"}")
|
||||
}
|
||||
|
||||
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
|
||||
defer cancel()
|
||||
var reader io.Reader = nil
|
||||
if len(body) > 0 {
|
||||
reader = bytes.NewReader(body)
|
||||
}
|
||||
|
||||
r, err := shim.service.Call(ctx, method, path, reader)
|
||||
defer r.Body().Close()
|
||||
|
||||
if err != nil {
|
||||
return []byte("{\"error\":\"" + err.Error() + "\"}")
|
||||
}
|
||||
respBytes, err := io.ReadAll(r.Body())
|
||||
if err != nil {
|
||||
return []byte("{\"error\":\"" + err.Error() + "\"}")
|
||||
}
|
||||
return respBytes
|
||||
}
|
||||
|
||||
// Assign a localAPIService to our shim for handling incoming localapi requests from the Kotlin side.
|
||||
func ConfigureShim(jvm *jnipkg.JVM, appCtx jnipkg.Object, s *LocalAPIService, b *ipnlocal.LocalBackend) {
|
||||
shim.busWatchers = make(map[string]func())
|
||||
shim.service = s
|
||||
shim.backend = b
|
||||
|
||||
configureLocalApiJNIHandler(jvm, appCtx)
|
||||
|
||||
// Let the Kotlin side know we're ready to handle requests.
|
||||
jnipkg.Do(jvm, func(env *jnipkg.Env) error {
|
||||
onReadyAPI := jnipkg.GetStaticMethodID(env, shim.clientClass, "onReady", "()V")
|
||||
jnipkg.CallStaticVoidMethod(env, shim.clientClass, onReadyAPI)
|
||||
|
||||
onNotifyNot := jnipkg.GetStaticMethodID(env, shim.notifierClass, "onReady", "()V")
|
||||
jnipkg.CallStaticVoidMethod(env, shim.notifierClass, onNotifyNot)
|
||||
|
||||
log.Printf("LocalAPI Shim ready")
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
// Loads the Kotlin-side LocalApiClient class and stores it in a global reference.
|
||||
func configureLocalApiJNIHandler(jvm *jnipkg.JVM, appCtx jnipkg.Object) error {
|
||||
shim.jvm = jvm
|
||||
|
||||
return jnipkg.Do(jvm, func(env *jnipkg.Env) error {
|
||||
loader := jnipkg.ClassLoaderFor(env, appCtx)
|
||||
cl, err := jnipkg.LoadClass(env, loader, "com.tailscale.ipn.ui.localapi.LocalApiClient")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
shim.clientClass = jnipkg.Class(jnipkg.NewGlobalRef(env, jnipkg.Object(cl)))
|
||||
|
||||
cl, err = jnipkg.LoadClass(env, loader, "com.tailscale.ipn.ui.notifier.Notifier")
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
shim.notifierClass = jnipkg.Class(jnipkg.NewGlobalRef(env, jnipkg.Object(cl)))
|
||||
|
||||
return nil
|
||||
})
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_ui_notifier_Notifier_stopIPNBusWatcher
|
||||
func Java_com_tailscale_ipn_ui_notifier_Notifier_stopIPNBusWatcher(
|
||||
env *C.JNIEnv,
|
||||
cls C.jclass,
|
||||
jsessionId C.jstring) {
|
||||
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
|
||||
sessionIdRef := jnipkg.NewGlobalRef(jenv, jnipkg.Object(jsessionId))
|
||||
sessionId := jnipkg.GoString(jenv, jnipkg.String(sessionIdRef))
|
||||
defer jnipkg.DeleteGlobalRef(jenv, sessionIdRef)
|
||||
|
||||
cancel := shim.busWatchers[sessionId]
|
||||
if cancel != nil {
|
||||
log.Printf("Deregistering app layer bus watcher with sessionid: %s", sessionId)
|
||||
cancel()
|
||||
delete(shim.busWatchers, sessionId)
|
||||
} else {
|
||||
log.Printf("Error: Could not find bus watcher with sessionid: %s", sessionId)
|
||||
}
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_ui_notifier_Notifier_startIPNBusWatcher
|
||||
func Java_com_tailscale_ipn_ui_notifier_Notifier_startIPNBusWatcher(
|
||||
env *C.JNIEnv,
|
||||
cls C.jclass,
|
||||
jsessionId C.jstring,
|
||||
jmask C.jint) {
|
||||
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
|
||||
sessionIdRef := jnipkg.NewGlobalRef(jenv, jnipkg.Object(jsessionId))
|
||||
sessionId := jnipkg.GoString(jenv, jnipkg.String(sessionIdRef))
|
||||
defer jnipkg.DeleteGlobalRef(jenv, sessionIdRef)
|
||||
|
||||
log.Printf("Registering app layer bus watcher with sessionid: %s", sessionId)
|
||||
|
||||
ctx, cancel := context.WithCancel(context.Background())
|
||||
shim.busWatchers[sessionId] = cancel
|
||||
opts := ipn.NotifyWatchOpt(jmask)
|
||||
|
||||
shim.backend.WatchNotifications(ctx, opts, func() {
|
||||
// onWatchAdded
|
||||
}, func(roNotify *ipn.Notify) bool {
|
||||
js, err := json.Marshal(roNotify)
|
||||
if err != nil {
|
||||
return true
|
||||
}
|
||||
jnipkg.Do(shim.jvm, func(env *jnipkg.Env) error {
|
||||
jjson := jnipkg.JavaString(env, string(js))
|
||||
onNotify := jnipkg.GetMethodID(env, shim.notifierClass, "onNotify", "(Ljava/lang/String;Ljava/lang/String;)V")
|
||||
jnipkg.CallVoidMethod(env, jnipkg.Object(cls), onNotify, jnipkg.Value(jjson), jnipkg.Value(jsessionId))
|
||||
return nil
|
||||
})
|
||||
return true
|
||||
})
|
||||
|
||||
}
|
||||
@ -1,53 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package localapiservice
|
||||
|
||||
import (
|
||||
"net"
|
||||
"net/http"
|
||||
"sync"
|
||||
)
|
||||
|
||||
// Response represents the result of processing an localAPI request.
|
||||
// On completion, the response body can be read out of the bodyWriter.
|
||||
type Response struct {
|
||||
headers http.Header
|
||||
status int
|
||||
bodyWriter net.Conn
|
||||
bodyReader net.Conn
|
||||
startWritingBody chan interface{}
|
||||
startWritingBodyOnce sync.Once
|
||||
}
|
||||
|
||||
func (r *Response) Header() http.Header {
|
||||
return r.headers
|
||||
}
|
||||
|
||||
// Write writes the data to the response body which an then be
|
||||
// read out as a json object.
|
||||
func (r *Response) Write(data []byte) (int, error) {
|
||||
r.Flush()
|
||||
if r.status == 0 {
|
||||
r.WriteHeader(http.StatusOK)
|
||||
}
|
||||
return r.bodyWriter.Write(data)
|
||||
}
|
||||
|
||||
func (r *Response) WriteHeader(statusCode int) {
|
||||
r.status = statusCode
|
||||
}
|
||||
|
||||
func (r *Response) Body() net.Conn {
|
||||
return r.bodyReader
|
||||
}
|
||||
|
||||
func (r *Response) StatusCode() int {
|
||||
return r.status
|
||||
}
|
||||
|
||||
func (r *Response) Flush() {
|
||||
r.startWritingBodyOnce.Do(func() {
|
||||
close(r.startWritingBody)
|
||||
})
|
||||
}
|
||||
@ -1,85 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"os"
|
||||
"path/filepath"
|
||||
"sync"
|
||||
"sync/atomic"
|
||||
"unsafe"
|
||||
|
||||
jnipkg "github.com/tailscale/tailscale-android/pkg/jni"
|
||||
"github.com/tailscale/tailscale-android/pkg/localapiservice"
|
||||
"tailscale.com/ipn/ipnlocal"
|
||||
"tailscale.com/types/logid"
|
||||
)
|
||||
|
||||
// #include <jni.h>
|
||||
import "C"
|
||||
|
||||
type App struct {
|
||||
jvm *jnipkg.JVM
|
||||
// appCtx is a global reference to the com.tailscale.ipn.App instance.
|
||||
appCtx jnipkg.Object
|
||||
|
||||
store *stateStore
|
||||
logIDPublicAtomic atomic.Pointer[logid.PublicID]
|
||||
|
||||
localAPI *localapiservice.LocalAPIService
|
||||
backend *ipnlocal.LocalBackend
|
||||
}
|
||||
|
||||
var android struct {
|
||||
// mu protects all fields of this structure. However, once a
|
||||
// non-nil jvm is returned from javaVM, all the other fields may
|
||||
// be accessed unlocked.
|
||||
mu sync.Mutex
|
||||
jvm *jnipkg.JVM
|
||||
|
||||
// appCtx is the global Android App context.
|
||||
appCtx C.jobject
|
||||
}
|
||||
|
||||
func initJVM(env *C.JNIEnv, ctx C.jobject) {
|
||||
android.mu.Lock()
|
||||
defer android.mu.Unlock()
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
res, err := jnipkg.GetJavaVM(jenv)
|
||||
if err != nil {
|
||||
panic("eror: GetJavaVM failed")
|
||||
}
|
||||
android.jvm = res
|
||||
android.appCtx = C.jobject(jnipkg.NewGlobalRef(jenv, jnipkg.Object(ctx)))
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_App_initBackend
|
||||
func Java_com_tailscale_ipn_App_initBackend(env *C.JNIEnv, class C.jclass, jdataDir C.jbyteArray, context C.jobject) {
|
||||
initJVM(env, context)
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
dirBytes := jnipkg.GetByteArrayElements(jenv, jnipkg.ByteArray(jdataDir))
|
||||
if dirBytes == nil {
|
||||
panic("runGoMain: GetByteArrayElements failed")
|
||||
}
|
||||
n := jnipkg.GetArrayLength(jenv, jnipkg.ByteArray(jdataDir))
|
||||
dataDir := C.GoStringN((*C.char)(unsafe.Pointer(&dirBytes[0])), C.int(n))
|
||||
|
||||
// Set XDG_CACHE_HOME to make os.UserCacheDir work.
|
||||
if _, exists := os.LookupEnv("XDG_CACHE_HOME"); !exists {
|
||||
cachePath := filepath.Join(dataDir, "cache")
|
||||
os.Setenv("XDG_CACHE_HOME", cachePath)
|
||||
}
|
||||
// Set XDG_CONFIG_HOME to make os.UserConfigDir work.
|
||||
if _, exists := os.LookupEnv("XDG_CONFIG_HOME"); !exists {
|
||||
cfgPath := filepath.Join(dataDir, "config")
|
||||
os.Setenv("XDG_CONFIG_HOME", cfgPath)
|
||||
}
|
||||
// Set HOME to make os.UserHomeDir work.
|
||||
if _, exists := os.LookupEnv("HOME"); !exists {
|
||||
os.Setenv("HOME", dataDir)
|
||||
}
|
||||
|
||||
dataDirChan <- dataDir
|
||||
main()
|
||||
}
|
||||
@ -1,151 +0,0 @@
|
||||
// Copyright (c) Tailscale Inc & AUTHORS
|
||||
// SPDX-License-Identifier: BSD-3-Clause
|
||||
|
||||
package main
|
||||
|
||||
import (
|
||||
"sync"
|
||||
"unsafe"
|
||||
|
||||
jnipkg "github.com/tailscale/tailscale-android/pkg/jni"
|
||||
)
|
||||
|
||||
// #include <jni.h>
|
||||
import "C"
|
||||
|
||||
var (
|
||||
// onVPNPrepared is notified when VpnService.prepare succeeds.
|
||||
onVPNPrepared = make(chan struct{}, 1)
|
||||
// onVPNClosed is notified when VpnService.prepare fails, or when
|
||||
// the a running VPN connection is closed.
|
||||
onVPNClosed = make(chan struct{}, 1)
|
||||
// onVPNRevoked is notified whenever the VPN service is revoked.
|
||||
onVPNRevoked = make(chan struct{}, 1)
|
||||
|
||||
// onVPNRequested receives global IPNService references when
|
||||
// a VPN connection is requested.
|
||||
onVPNRequested = make(chan jnipkg.Object)
|
||||
// onDisconnect receives global IPNService references when
|
||||
// disconnecting.
|
||||
onDisconnect = make(chan jnipkg.Object)
|
||||
|
||||
onConnect = make(chan ConnectEvent)
|
||||
|
||||
// onGoogleToken receives google ID tokens.
|
||||
onGoogleToken = make(chan string)
|
||||
|
||||
// onDNSConfigChanged is notified when the network changes and the DNS config needs to be updated.
|
||||
onDNSConfigChanged = make(chan struct{}, 1)
|
||||
)
|
||||
|
||||
const (
|
||||
// Request codes for Android callbacks.
|
||||
// requestSignin is for Google Sign-In.
|
||||
requestSignin C.jint = 1000 + iota
|
||||
// requestPrepareVPN is for when Android's VpnService.prepare
|
||||
// completes.
|
||||
requestPrepareVPN
|
||||
)
|
||||
|
||||
// resultOK is Android's Activity.RESULT_OK.
|
||||
const resultOK = -1
|
||||
|
||||
//export Java_com_tailscale_ipn_App_onVPNPrepared
|
||||
func Java_com_tailscale_ipn_App_onVPNPrepared(env *C.JNIEnv, class C.jclass) {
|
||||
notifyVPNPrepared()
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_IPNService_requestVPN
|
||||
func Java_com_tailscale_ipn_IPNService_requestVPN(env *C.JNIEnv, this C.jobject) {
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
onVPNRequested <- jnipkg.NewGlobalRef(jenv, jnipkg.Object(this))
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_IPNService_connect
|
||||
func Java_com_tailscale_ipn_IPNService_connect(env *C.JNIEnv, this C.jobject) {
|
||||
onConnect <- ConnectEvent{Enable: true}
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_IPNService_disconnect
|
||||
func Java_com_tailscale_ipn_IPNService_disconnect(env *C.JNIEnv, this C.jobject) {
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
onDisconnect <- jnipkg.NewGlobalRef(jenv, jnipkg.Object(this))
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_StartVPNWorker_connect
|
||||
func Java_com_tailscale_ipn_StartVPNWorker_connect(env *C.JNIEnv, this C.jobject) {
|
||||
onConnect <- ConnectEvent{Enable: true}
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_StopVPNWorker_disconnect
|
||||
func Java_com_tailscale_ipn_StopVPNWorker_disconnect(env *C.JNIEnv, this C.jobject) {
|
||||
onConnect <- ConnectEvent{Enable: false}
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_Peer_onActivityResult0
|
||||
func Java_com_tailscale_ipn_Peer_onActivityResult0(env *C.JNIEnv, cls C.jclass, act C.jobject, reqCode, resCode C.jint) {
|
||||
switch reqCode {
|
||||
case requestSignin:
|
||||
if resCode != resultOK {
|
||||
onGoogleToken <- ""
|
||||
break
|
||||
}
|
||||
jenv := (*jnipkg.Env)(unsafe.Pointer(env))
|
||||
m := jnipkg.GetStaticMethodID(jenv, googleClass,
|
||||
"getIdTokenForActivity", "(Landroid/app/Activity;)Ljava/lang/String;")
|
||||
idToken, err := jnipkg.CallStaticObjectMethod(jenv, googleClass, m, jnipkg.Value(act))
|
||||
if err != nil {
|
||||
fatalErr(err)
|
||||
break
|
||||
}
|
||||
tok := jnipkg.GoString(jenv, jnipkg.String(idToken))
|
||||
onGoogleToken <- tok
|
||||
case requestPrepareVPN:
|
||||
if resCode == resultOK {
|
||||
notifyVPNPrepared()
|
||||
} else {
|
||||
notifyVPNClosed()
|
||||
notifyVPNRevoked()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
//export Java_com_tailscale_ipn_App_onDnsConfigChanged
|
||||
func Java_com_tailscale_ipn_App_onDnsConfigChanged(env *C.JNIEnv, cls C.jclass) {
|
||||
select {
|
||||
case onDNSConfigChanged <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
func notifyVPNPrepared() {
|
||||
select {
|
||||
case onVPNPrepared <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
func notifyVPNRevoked() {
|
||||
select {
|
||||
case onVPNRevoked <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
func notifyVPNClosed() {
|
||||
select {
|
||||
case onVPNClosed <- struct{}{}:
|
||||
default:
|
||||
}
|
||||
}
|
||||
|
||||
var android struct {
|
||||
// mu protects all fields of this structure. However, once a
|
||||
// non-nil jvm is returned from javaVM, all the other fields may
|
||||
// be accessed unlocked.
|
||||
mu sync.Mutex
|
||||
jvm *jnipkg.JVM
|
||||
|
||||
// appCtx is the global Android App context.
|
||||
appCtx C.jobject
|
||||
}
|
||||
Loading…
Reference in New Issue