package com.stoutner.privacybrowser.activities
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
import android.os.Bundle
+import android.provider.OpenableColumns
import android.text.SpannableStringBuilder
import android.text.style.ForegroundColorSpan
import android.util.TypedValue
import android.widget.ProgressBar
import android.widget.TextView
+import androidx.activity.result.contract.ActivityResultContracts
import androidx.appcompat.app.ActionBar
import androidx.appcompat.app.AppCompatActivity
import androidx.appcompat.widget.Toolbar
import androidx.core.app.NavUtils
-import androidx.fragment.app.DialogFragment
import androidx.lifecycle.ViewModelProvider
import androidx.preference.PreferenceManager
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import com.stoutner.privacybrowser.viewmodelfactories.ViewHeadersFactory
import com.stoutner.privacybrowser.viewmodels.HeadersViewModel
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+import java.lang.Exception
+import java.nio.charset.StandardCharsets
+
// Define the public constants.
const val USER_AGENT = "user_agent"
private lateinit var responseMessageTitleTextView: TextView
private lateinit var responseMessageTextView: TextView
private lateinit var responseHeadersTitleTextView: TextView
+ private lateinit var responseHeadersTextView: TextView
private lateinit var responseBodyTitleTextView: TextView
+ private lateinit var responseBodyTextView: TextView
+
+ // Define the save text activity result launcher. It must be defined before `onCreate()` is run or the app will crash.
+ private val saveTextActivityResultLauncher = registerForActivityResult(ActivityResultContracts.CreateDocument("text/plain")) { fileUri ->
+ // Only save the file if the URI is not null, which happens if the user exited the file picker by pressing back.
+ if (fileUri != null) {
+ // Initialize the file name string from the file URI last path segment.
+ var fileNameString = fileUri.lastPathSegment
+
+ // Query the exact file name if the API >= 26.
+ if (Build.VERSION.SDK_INT >= 26) {
+ // Get a cursor from the content resolver.
+ val contentResolverCursor = contentResolver.query(fileUri, null, null, null)!!
+
+ // Move to the first row.
+ contentResolverCursor.moveToFirst()
+
+ // Get the file name from the cursor.
+ fileNameString = contentResolverCursor.getString(contentResolverCursor.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME))
+
+ // Close the cursor.
+ contentResolverCursor.close()
+ }
+
+ try {
+ // Get the about version string.
+ val headersString = getHeadersString()
+
+ // Open an output stream.
+ val outputStream = contentResolver.openOutputStream(fileUri)!!
+
+ // Save the headers using a coroutine with Dispatchers.IO.
+ CoroutineScope(Dispatchers.Main).launch {
+ withContext(Dispatchers.IO) {
+ // Write the headers string to the output stream.
+ outputStream.write(headersString.toByteArray(StandardCharsets.UTF_8))
+
+ // Close the output stream.
+ outputStream.close()
+ }
+ }
+
+ // Display a snackbar with the saved logcat information.
+ Snackbar.make(urlEditText, getString(R.string.saved, fileNameString), Snackbar.LENGTH_SHORT).show()
+ } catch (exception: Exception) {
+ // Display a snackbar with the error message.
+ Snackbar.make(urlEditText, getString(R.string.error_saving_file, fileNameString, exception.toString()), Snackbar.LENGTH_INDEFINITE).show()
+ }
+ }
+ }
override fun onCreate(savedInstanceState: Bundle?) {
// Get a handle for the shared preferences.
responseMessageTitleTextView = findViewById(R.id.response_message_title_textview)
responseMessageTextView = findViewById(R.id.response_message_textview)
responseHeadersTitleTextView = findViewById(R.id.response_headers_title_textview)
- val responseHeadersTextView = findViewById<TextView>(R.id.response_headers_textview)
+ responseHeadersTextView = findViewById(R.id.response_headers_textview)
responseBodyTitleTextView = findViewById(R.id.response_body_title_textview)
- val responseBodyTextView = findViewById<TextView>(R.id.response_body_textview)
+ responseBodyTextView = findViewById(R.id.response_body_textview)
// Initialize the gray foreground color spans for highlighting the URLs.
initialGrayColorSpan = ForegroundColorSpan(getColor(R.color.gray_500))
}
override fun onOptionsItemSelected(menuItem: MenuItem): Boolean {
- // Instantiate the about dialog fragment.
- val aboutDialogFragment: DialogFragment = AboutViewHeadersDialog()
+ // Run the appropriate commands.
+ when (menuItem.itemId) {
+ R.id.copy_headers -> { // Copy the headers.
+ // Get the headers string.
+ val headersString = getHeadersString()
- // Show the about alert dialog.
- aboutDialogFragment.show(supportFragmentManager, getString(R.string.about))
+ // Get a handle for the clipboard manager.
+ val clipboardManager = (getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager)
- // Consume the event.
- return true
+ // Place the headers string in a clip data.
+ val headersClipData = ClipData.newPlainText(getString(R.string.view_headers), headersString)
+
+ // Place the clip data on the clipboard.
+ clipboardManager.setPrimaryClip(headersClipData)
+
+ // Display a snackbar if the API <= 32 (Android 12L). Beginning in Android 13 the OS displays a notification that covers up the snackbar.
+ if (Build.VERSION.SDK_INT <= 32)
+ Snackbar.make(urlEditText, R.string.version_info_copied, Snackbar.LENGTH_SHORT).show()
+
+ // Consume the event.
+ return true
+ }
+
+ R.id.share_headers -> { // Share the headers.
+ // Get the headers string.
+ val headersString = getHeadersString()
+
+ // Create a share intent.
+ val shareIntent = Intent(Intent.ACTION_SEND)
+
+ // Add the headers string to the intent.
+ shareIntent.putExtra(Intent.EXTRA_TEXT, headersString)
+
+ // Set the MIME type.
+ shareIntent.type = "text/plain"
+
+ // Set the intent to open in a new task.
+ shareIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+
+ // Make it so.
+ startActivity(Intent.createChooser(shareIntent, getString(R.string.share)))
+
+ // Consume the event.
+ return true
+ }
+
+ R.id.save_headers -> { // Save the headers as a text file.
+ // Get the current URL.
+ val currentUrlString = urlEditText.text.toString()
+
+ // Get a URI for the current URL.
+ val currentUri = Uri.parse(currentUrlString)
+
+ // Get the current domain name.
+ val currentDomainName = currentUri.host
+
+ // Open the file picker.
+ saveTextActivityResultLauncher.launch(getString(R.string.headers_txt, currentDomainName))
+
+ // Consume the event.
+ return true
+ }
+
+ R.id.about_view_headers -> { // Display the about dialog.
+ // Instantiate the about dialog fragment.
+ val aboutDialogFragment = AboutViewHeadersDialog()
+
+ // Show the about alert dialog.
+ aboutDialogFragment.show(supportFragmentManager, getString(R.string.about))
+
+ // Consume the event.
+ return true
+ }
+
+ else -> { // The home button was selected.
+ // Run the parents class on return.
+ return super.onOptionsItemSelected(menuItem)
+ }
+ }
}
- // This method must be named `goBack()` and must have a View argument to match the default back arrow in the app bar.
+ // This method must be named `goBack()` and must have a View argument to match the default back arrow in the app bar or a crash occurs.
fun goBack(@Suppress("UNUSED_PARAMETER") view: View) {
// Go home.
NavUtils.navigateUpFromSameTask(this)
}
+ private fun getHeadersString(): String {
+ // Initialize a headers string builder.
+ val headersStringBuilder = StringBuilder()
+
+ // Populate the SSL information if it is visible (an HTTPS URL is loaded).
+ if (sslInformationTitleTextView.visibility == View.VISIBLE) {
+ headersStringBuilder.append(sslInformationTitleTextView.text)
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(sslInformationTextView.text)
+ headersStringBuilder.append("\n\n")
+ headersStringBuilder.append(getString(R.string.available_ciphers))
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(availableCiphersString)
+ headersStringBuilder.append("\n\n")
+ headersStringBuilder.append(getString(R.string.ssl_certificate))
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(sslCertificateString)
+ headersStringBuilder.append("\n") // Only a single new line is needed after the certificate as it already ends in one.
+ }
+
+ // Populate the request information if it is visible (an HTTP URL is loaded).
+ if (requestHeadersTitleTextView.visibility == View.VISIBLE) {
+ headersStringBuilder.append(requestHeadersTitleTextView.text)
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(requestHeadersTextView.text)
+ headersStringBuilder.append("\n\n")
+ headersStringBuilder.append(responseMessageTitleTextView.text)
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(responseMessageTextView.text)
+ headersStringBuilder.append("\n\n")
+ }
+
+ // Populate the response information, which is visible for both HTTP and content URLs.
+ headersStringBuilder.append(responseHeadersTitleTextView.text)
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(responseHeadersTextView.text)
+ headersStringBuilder.append("\n\n")
+ headersStringBuilder.append(responseBodyTitleTextView.text)
+ headersStringBuilder.append("\n")
+ headersStringBuilder.append(responseBodyTextView.text)
+
+ // Return the string.
+ return headersStringBuilder.toString()
+ }
+
override fun loadAnyway() {
// Load the URL anyway.
headersViewModel.updateHeaders(urlEditText.text.toString(), true)
projects / PrivacyBrowserAndroid.git / commitdiff