Ca cert manage, update readme.md

app/src/main/java/com/binbin/androidowner/DeviceControl.kt

@@ -4,7 +4,9 @@ import android.app.admin.DevicePolicyManager
 import android.app.admin.DevicePolicyManager.*
 import android.content.ComponentName
 import android.content.Context
+import android.content.Intent
 import android.os.Build.VERSION
+import android.util.Log
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.animation.AnimatedVisibility
@@ -29,6 +31,8 @@ import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.launch
 
 @Composable
 fun DeviceControl(){
@@ -144,13 +148,6 @@ fun DeviceControl(){
                 }
             }
         }
-        if(isDeviceOwner(myDpm)||isProfileOwner(myDpm)){
-        Button(
-            onClick = {myDpm.uninstallAllUserCaCerts(myComponent);Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()},
-            modifier = Modifier.align(Alignment.CenterHorizontally)
-        ) {
-            Text(text = "清除用户Ca证书")
-        }}
         
         if(VERSION.SDK_INT>=28){
             Column(modifier = sections()){
@@ -368,6 +365,64 @@ fun DeviceControl(){
             }
         }
         
+        if(isDeviceOwner(myDpm)||isProfileOwner(myDpm)){
+            var exist by remember{mutableStateOf(false)}
+            var isEmpty by remember{mutableStateOf(false)}
+            val refresh = {
+                isEmpty = caCert.isEmpty()
+                exist = if(!isEmpty){ myDpm.hasCaCertInstalled(myComponent, caCert) }else{ false }
+            }
+            LaunchedEffect(exist){ launch{isCaCertSelected(600){refresh()}} }
+            Column(modifier = sections()){
+                Text(text = "Ca证书", style = typography.titleLarge)
+                if(isEmpty){ Text(text = "请选择Ca证书(.0)") }else{ Text(text = "证书已安装：$exist") }
+                Button(
+                    onClick = {
+                        val caCertIntent = Intent(Intent.ACTION_GET_CONTENT)
+                        caCertIntent.setType("*/*")
+                        caCertIntent.addCategory(Intent.CATEGORY_OPENABLE)
+                        getCaCert.launch(caCertIntent)
+                    },
+                    modifier = Modifier.fillMaxWidth()
+                ) {
+                    Text("选择证书...")
+                }
+                Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween){
+                    Button(
+                        onClick = {
+                            val result = myDpm.installCaCert(myComponent, caCert)
+                            Toast.makeText(myContext, if(result){"成功"}else{"失败"}, Toast.LENGTH_SHORT).show()
+                            refresh()
+                        },
+                        modifier = Modifier.fillMaxWidth(0.49F)
+                    ) {
+                        Text("安装")
+                    }
+                    Button(
+                        onClick = {
+                            if(exist){
+                                myDpm.uninstallCaCert(myComponent, caCert)
+                                exist = myDpm.hasCaCertInstalled(myComponent, caCert)
+                                Toast.makeText(myContext, if(exist){"失败"}else{"成功"}, Toast.LENGTH_SHORT).show()
+                            }else{ Toast.makeText(myContext, "不存在", Toast.LENGTH_SHORT).show() }
+                        },
+                        modifier = Modifier.fillMaxWidth(0.96F)
+                    ) {
+                        Text("卸载")
+                    }
+                }
+                Button(
+                    onClick = {
+                        myDpm.uninstallAllUserCaCerts(myComponent)
+                        Toast.makeText(myContext, "成功", Toast.LENGTH_SHORT).show()
+                    },
+                    modifier = Modifier.fillMaxWidth()
+                ){
+                    Text("清除用户Ca证书")
+                }
+            }
+        }
+        
         if(isDeviceOwner(myDpm)){
             SysUpdatePolicy()
         }
@@ -470,3 +525,10 @@ fun DeviceCtrlItem(
         )
     }
 }
+
+suspend fun isCaCertSelected(delay:Long,operation:()->Unit){
+    while(true){
+        delay(delay)
+        operation()
+    }
+}

app/src/main/java/com/binbin/androidowner/MainActivity.kt

@@ -4,11 +4,14 @@ import android.annotation.SuppressLint
 import android.app.admin.DevicePolicyManager
 import android.content.ComponentName
 import android.content.Context
+import android.content.Intent
 import android.os.Build.VERSION
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
-import androidx.compose.animation.*
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.*
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -17,7 +20,8 @@ import androidx.compose.material.icons.outlined.ArrowBack
 import androidx.compose.material.icons.outlined.Home
 import androidx.compose.material3.*
 import androidx.compose.material3.MaterialTheme.typography
-import androidx.compose.runtime.*
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
@@ -35,22 +39,32 @@ import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
 import com.binbin.androidowner.ui.theme.AndroidOwnerTheme
+import java.io.FileNotFoundException
+import java.io.IOException
 
-/*lateinit var getOtaPackage: ActivityResultLauncher<Intent>
-var installOta = false
-lateinit var otaUri:Uri*/
+lateinit var getCaCert: ActivityResultLauncher<Intent>
+var caCert = byteArrayOf()
 
 @ExperimentalMaterial3Api
 class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         WindowCompat.setDecorFitsSystemWindows(window, false)
         super.onCreate(savedInstanceState)
-        /*otaUri = Uri.EMPTY
-        getOtaPackage = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
-            val data = it.data?.data
-            installOta = true
-            otaUri = data ?: Uri.EMPTY
-        }*/
+        getCaCert = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+            val uri = it.data?.data
+            if(uri!=null){
+                try{
+                    val stream = contentResolver.openInputStream(uri)
+                    if(stream!=null) {
+                        caCert = stream.readBytes()
+                        if(caCert.size>50000){ Toast.makeText(applicationContext, "太大了", Toast.LENGTH_SHORT).show(); caCert = byteArrayOf() }
+                    }else{ Toast.makeText(applicationContext, "空的流", Toast.LENGTH_SHORT).show() }
+                    stream?.close()
+                }
+                catch(e:FileNotFoundException){ Toast.makeText(applicationContext, "文件不存在", Toast.LENGTH_SHORT).show() }
+                catch(e:IOException){ Toast.makeText(applicationContext, "IO异常", Toast.LENGTH_SHORT).show() }
+            }else{ Toast.makeText(applicationContext, "空URI", Toast.LENGTH_SHORT).show() }
+        }
         setContent {
             AndroidOwnerTheme {
                 MyScaffold()
@@ -148,6 +162,7 @@ fun HomePage(navCtrl:NavHostController){
     val activateType = if(isDeviceOwner(myDpm)){"Device Owner"}else if(isProfileOwner(myDpm)){"Profile Owner"}else if(myDpm.isAdminActive(myComponent)){"Device Admin"}else{""}
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
     val isWear = sharedPref.getBoolean("isWear",false)
+    caCert = byteArrayOf()
     Column(modifier = Modifier.verticalScroll(rememberScrollState()), horizontalAlignment = Alignment.CenterHorizontally) {
         if(isWear){ Spacer(Modifier.padding(vertical = 3.dp)) }
         Row(
@@ -273,7 +288,7 @@ fun isProfileOwner(dpm:DevicePolicyManager): Boolean {
     return dpm.isProfileOwnerApp("com.binbin.androidowner")
 }
 
-@SuppressLint("ModifierFactoryExtensionFunction")
+@SuppressLint("ModifierFactoryExtensionFunction", "ComposableModifierFactory")
 @Composable
 fun sections(bgColor:Color=MaterialTheme.colorScheme.primaryContainer):Modifier{
     val backgroundColor = if(isSystemInDarkTheme()){bgColor.copy(0.4F)}else{bgColor.copy(0.6F)}