Rewrite 'login' to Kotlin
This commit is contained in:
Niko Diamadis
293
app/src/main/java/com/github/gotify/login/LoginActivity.kt
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293
app/src/main/java/com/github/gotify/login/LoginActivity.kt
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package com.github.gotify.login
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import android.content.ActivityNotFoundException
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import android.content.DialogInterface
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import android.content.Intent
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import android.os.Build
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import android.os.Bundle
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import android.text.Editable
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import android.text.TextWatcher
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import android.view.View
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import android.widget.EditText
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import androidx.appcompat.app.AlertDialog
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import androidx.appcompat.app.AppCompatActivity
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import androidx.appcompat.view.ContextThemeWrapper
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import com.github.gotify.R
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import com.github.gotify.SSLSettings
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import com.github.gotify.Settings
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import com.github.gotify.Utils
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import com.github.gotify.api.ApiException
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import com.github.gotify.api.Callback
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import com.github.gotify.api.Callback.SuccessCallback
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import com.github.gotify.api.CertUtils
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import com.github.gotify.api.ClientFactory
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import com.github.gotify.client.ApiClient
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import com.github.gotify.client.api.ClientApi
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import com.github.gotify.client.api.UserApi
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import com.github.gotify.client.model.Client
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import com.github.gotify.client.model.VersionInfo
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import com.github.gotify.databinding.ActivityLoginBinding
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import com.github.gotify.init.InitializationActivity
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import com.github.gotify.log.Log
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import com.github.gotify.log.LogsActivity
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import com.github.gotify.log.UncaughtExceptionHandler
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import java.security.cert.X509Certificate
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import okhttp3.HttpUrl
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class LoginActivity : AppCompatActivity() {
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companion object {
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// return value from startActivityForResult when choosing a certificate
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private const val FILE_SELECT_CODE = 1
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}
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private lateinit var binding: ActivityLoginBinding
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private lateinit var settings: Settings
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private var disableSslValidation = false
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private var caCertContents: String? = null
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private lateinit var advancedDialog: AdvancedDialog
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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UncaughtExceptionHandler.registerCurrentThread()
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binding = ActivityLoginBinding.inflate(layoutInflater)
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setContentView(binding.root)
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Log.i("Entering ${javaClass.simpleName}")
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settings = Settings(this)
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}
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override fun onPostCreate(savedInstanceState: Bundle?) {
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super.onPostCreate(savedInstanceState)
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binding.gotifyUrl.addTextChangedListener(object : TextWatcher {
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override fun beforeTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {}
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override fun onTextChanged(charSequence: CharSequence, i: Int, i1: Int, i2: Int) {
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invalidateUrl()
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}
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override fun afterTextChanged(editable: Editable) {}
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})
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binding.checkurl.setOnClickListener { doCheckUrl() }
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binding.openLogs.setOnClickListener { openLogs() }
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binding.advancedSettings.setOnClickListener { toggleShowAdvanced() }
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binding.login.setOnClickListener { doLogin() }
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}
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private fun invalidateUrl() {
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binding.username.visibility = View.GONE
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binding.password.visibility = View.GONE
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binding.login.visibility = View.GONE
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binding.checkurl.text = getString(R.string.check_url)
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}
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fun doCheckUrl() {
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val url = binding.gotifyUrl.text.toString()
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val parsedUrl = HttpUrl.parse(url)
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if (parsedUrl == null) {
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Utils.showSnackBar(this, "Invalid URL (include http:// or https://)")
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return
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}
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if ("http" == parsedUrl.scheme()) {
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showHttpWarning()
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}
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binding.checkurlProgress.visibility = View.VISIBLE
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binding.checkurl.visibility = View.GONE
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val trimmedUrl = url.trim()
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val fixedUrl = if (trimmedUrl.endsWith("/")) {
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trimmedUrl.substring(0, trimmedUrl.length - 1)
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} else trimmedUrl
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try {
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ClientFactory.versionApi(fixedUrl, tempSslSettings())
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.version
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.enqueue(Callback.callInUI(this, onValidUrl(fixedUrl), onInvalidUrl(fixedUrl)))
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} catch (e: Exception) {
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binding.checkurlProgress.visibility = View.GONE
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binding.checkurl.visibility = View.VISIBLE
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val errorMsg = getString(R.string.version_failed, "$fixedUrl/version", e.message)
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Utils.showSnackBar(this, errorMsg)
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}
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}
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fun showHttpWarning() {
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AlertDialog.Builder(ContextThemeWrapper(this, R.style.AppTheme_Dialog))
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.setTitle(R.string.warning)
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.setCancelable(true)
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.setMessage(R.string.http_warning)
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.setPositiveButton(R.string.i_understand, null)
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.show()
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}
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fun openLogs() {
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startActivity(Intent(this, LogsActivity::class.java))
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}
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fun toggleShowAdvanced() {
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val selectedCertName = if (caCertContents != null) {
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getNameOfCertContent(caCertContents!!)
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} else null
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advancedDialog = AdvancedDialog(this, layoutInflater)
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.onDisableSSLChanged { _, disable ->
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invalidateUrl()
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disableSslValidation = disable
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}
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.onClickSelectCaCertificate {
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invalidateUrl()
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doSelectCACertificate()
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}
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.onClickRemoveCaCertificate {
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invalidateUrl()
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caCertContents = null
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}
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.show(disableSslValidation, selectedCertName)
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}
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private fun doSelectCACertificate() {
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val intent = Intent(Intent.ACTION_OPEN_DOCUMENT)
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// we don't really care what kind of file it is as long as we can parse it
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intent.type = "*/*"
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intent.addCategory(Intent.CATEGORY_OPENABLE)
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try {
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startActivityForResult(
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Intent.createChooser(intent, getString(R.string.select_ca_file)),
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FILE_SELECT_CODE
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)
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} catch (e: ActivityNotFoundException) {
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// case for user not having a file browser installed
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Utils.showSnackBar(this, getString(R.string.please_install_file_browser))
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}
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}
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override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
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super.onActivityResult(requestCode, resultCode, data)
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try {
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if (requestCode == FILE_SELECT_CODE) {
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require(resultCode == RESULT_OK) { String.format("result was %d", resultCode) }
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requireNotNull(data) { "file path was null" }
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val uri = data.data ?: throw IllegalArgumentException("file path was null")
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val fileStream = contentResolver.openInputStream(uri)
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?: throw IllegalArgumentException("file path was invalid")
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val content = Utils.readFileFromStream(fileStream)
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val name = getNameOfCertContent(content)
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// temporarily set the contents (don't store to settings until they decide to login)
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caCertContents = content
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advancedDialog.showRemoveCACertificate(name)
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}
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} catch (e: Exception) {
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Utils.showSnackBar(this, getString(R.string.select_ca_failed, e.message))
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}
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}
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private fun getNameOfCertContent(content: String): String {
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val ca = CertUtils.parseCertificate(content)
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return (ca as X509Certificate).subjectDN.name
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}
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private fun onValidUrl(url: String): SuccessCallback<VersionInfo> {
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return SuccessCallback { version ->
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settings.url(url)
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binding.checkurlProgress.visibility = View.GONE
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binding.checkurl.visibility = View.VISIBLE
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binding.checkurl.text = getString(R.string.found_gotify_version, version.version)
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binding.username.visibility = View.VISIBLE
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binding.username.requestFocus()
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binding.password.visibility = View.VISIBLE
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binding.login.visibility = View.VISIBLE
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}
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}
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private fun onInvalidUrl(url: String): Callback.ErrorCallback {
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return Callback.ErrorCallback { exception ->
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binding.checkurlProgress.visibility = View.GONE
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binding.checkurl.visibility = View.VISIBLE
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Utils.showSnackBar(this, versionError(url, exception))
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}
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}
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fun doLogin() {
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val username = binding.username.text.toString()
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val password = binding.password.text.toString()
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binding.login.visibility = View.GONE
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binding.loginProgress.visibility = View.VISIBLE
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val client = ClientFactory.basicAuth(settings.url(), tempSslSettings(), username, password)
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client.createService(UserApi::class.java)
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.currentUser()
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.enqueue(Callback.callInUI(this, { newClientDialog(client) }) {
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onInvalidLogin()
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})
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}
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private fun onInvalidLogin() {
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binding.login.visibility = View.VISIBLE
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binding.loginProgress.visibility = View.GONE
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Utils.showSnackBar(this, getString(R.string.wronguserpw))
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}
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private fun newClientDialog(client: ApiClient) {
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val clientName = EditText(this)
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clientName.setText(Build.MODEL)
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AlertDialog.Builder(ContextThemeWrapper(this, R.style.AppTheme_Dialog))
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.setTitle(R.string.create_client_title)
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.setMessage(R.string.create_client_message)
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.setView(clientName)
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.setPositiveButton(R.string.create, doCreateClient(client, clientName))
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.setNegativeButton(R.string.cancel) { _, _ ->
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onCancelClientDialog()
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}
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.show()
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}
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fun doCreateClient(client: ApiClient, nameProvider: EditText): DialogInterface.OnClickListener {
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return DialogInterface.OnClickListener { _, _ ->
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val newClient = Client().name(nameProvider.text.toString())
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client.createService(ClientApi::class.java)
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.createClient(newClient)
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.enqueue(Callback.callInUI(this, { onCreatedClient(it) }) {
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onFailedToCreateClient()
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})
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}
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}
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private fun onCreatedClient(client: Client) {
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settings.token(client.token)
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settings.validateSSL(!disableSslValidation)
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settings.cert(caCertContents)
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Utils.showSnackBar(this, getString(R.string.created_client))
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startActivity(Intent(this, InitializationActivity::class.java))
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finish()
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}
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private fun onFailedToCreateClient() {
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Utils.showSnackBar(this, getString(R.string.create_client_failed))
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binding.loginProgress.visibility = View.GONE
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binding.login.visibility = View.VISIBLE
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}
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private fun onCancelClientDialog() {
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binding.loginProgress.visibility = View.GONE
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binding.login.visibility = View.VISIBLE
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}
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private fun versionError(url: String, exception: ApiException): String {
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return getString(R.string.version_failed_status_code, "$url/version", exception.code())
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}
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private fun tempSslSettings(): SSLSettings {
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return SSLSettings(!disableSslValidation, caCertContents)
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}
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}
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