X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FViewSourceActivity.kt;h=514e3095a2abd6fb6ae40351354766dc3e045806;hp=173313f65da654b540f2d88af163bc59ba176aa3;hb=6790b16072ffa307636462579ed1476668a57e6e;hpb=d941ca283544e1c3231f59796a3f64270e747a99 diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/ViewSourceActivity.kt b/app/src/main/java/com/stoutner/privacybrowser/activities/ViewSourceActivity.kt index 173313f6..514e3095 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/ViewSourceActivity.kt +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/ViewSourceActivity.kt @@ -1,29 +1,27 @@ /* - * Copyright © 2017-2021 Soren Stoutner . + * Copyright 2017-2022 Soren Stoutner . * - * This file is part of Privacy Browser . + * This file is part of Privacy Browser Android . * - * Privacy Browser is free software: you can redistribute it and/or modify + * Privacy Browser Android is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * - * Privacy Browser is distributed in the hope that it will be useful, + * Privacy Browser Android is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with Privacy Browser. If not, see . + * along with Privacy Browser Android. If not, see . */ package com.stoutner.privacybrowser.activities -import android.content.res.Configuration import android.os.Build import android.os.Bundle import android.text.SpannableStringBuilder -import android.text.Spanned import android.text.style.ForegroundColorSpan import android.util.TypedValue import android.view.KeyEvent @@ -50,37 +48,48 @@ import com.google.android.material.snackbar.Snackbar import com.stoutner.privacybrowser.R import com.stoutner.privacybrowser.dialogs.AboutViewSourceDialog +import com.stoutner.privacybrowser.dialogs.UntrustedSslCertificateDialog +import com.stoutner.privacybrowser.dialogs.UntrustedSslCertificateDialog.UntrustedSslCertificateListener import com.stoutner.privacybrowser.helpers.ProxyHelper +import com.stoutner.privacybrowser.helpers.UrlHelper import com.stoutner.privacybrowser.viewmodelfactories.WebViewSourceFactory import com.stoutner.privacybrowser.viewmodels.WebViewSource import java.util.Locale -// Declare the public constants. +// Define the public constants. const val CURRENT_URL = "current_url" const val USER_AGENT = "user_agent" -class ViewSourceActivity: AppCompatActivity() { +class ViewSourceActivity: AppCompatActivity(), UntrustedSslCertificateListener { // Declare the class variables. private lateinit var initialGrayColorSpan: ForegroundColorSpan private lateinit var finalGrayColorSpan: ForegroundColorSpan private lateinit var redColorSpan: ForegroundColorSpan + private lateinit var webViewSource: WebViewSource + + // Declare the class views. + private lateinit var urlEditText: EditText + private lateinit var requestHeadersTitleTextView: TextView + private lateinit var requestHeadersTextView: TextView + private lateinit var responseMessageTitleTextView: TextView + private lateinit var responseMessageTextView: TextView + private lateinit var responseHeadersTitleTextView: TextView + private lateinit var responseBodyTitleTextView: TextView override fun onCreate(savedInstanceState: Bundle?) { // Get a handle for the shared preferences. val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(applicationContext) - // Get the screenshot preference. + // Get the preferences. val allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false) + val bottomAppBar = sharedPreferences.getBoolean(getString(R.string.bottom_app_bar_key), false) // Disable screenshots if not allowed. if (!allowScreenshots) { window.addFlags(WindowManager.LayoutParams.FLAG_SECURE) } - // Set the theme. - setTheme(R.style.PrivacyBrowser) - // Run the default commands. super.onCreate(savedInstanceState) @@ -88,11 +97,15 @@ class ViewSourceActivity: AppCompatActivity() { val intent = intent // Get the information from the intent. - val currentUrl = intent.getStringExtra(CURRENT_URL) - val userAgent = intent.getStringExtra(USER_AGENT) + val currentUrl = intent.getStringExtra(CURRENT_URL)!! + val userAgent = intent.getStringExtra(USER_AGENT)!! // Set the content view. - setContentView(R.layout.view_source_coordinatorlayout) + if (bottomAppBar) { + setContentView(R.layout.view_source_bottom_appbar) + } else { + setContentView(R.layout.view_source_top_appbar) + } // Get a handle for the toolbar. val toolbar = findViewById(R.id.view_source_toolbar) @@ -104,43 +117,34 @@ class ViewSourceActivity: AppCompatActivity() { val actionBar = supportActionBar!! // Add the custom layout to the action bar. - actionBar.setCustomView(R.layout.view_source_app_bar) + actionBar.setCustomView(R.layout.view_source_appbar_custom_view) // Instruct the action bar to display a custom layout. actionBar.displayOptions = ActionBar.DISPLAY_SHOW_CUSTOM // Get handles for the views. - val urlEditText = findViewById(R.id.url_edittext) - val requestHeadersTextView = findViewById(R.id.request_headers) - val responseMessageTextView = findViewById(R.id.response_message) - val responseHeadersTextView = findViewById(R.id.response_headers) - val responseBodyTextView = findViewById(R.id.response_body) + urlEditText = findViewById(R.id.url_edittext) val progressBar = findViewById(R.id.progress_bar) val swipeRefreshLayout = findViewById(R.id.view_source_swiperefreshlayout) + requestHeadersTitleTextView = findViewById(R.id.request_headers_title_textview) + requestHeadersTextView = findViewById(R.id.request_headers_textview) + 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(R.id.response_headers_textview) + responseBodyTitleTextView = findViewById(R.id.response_body_title_textview) + val responseBodyTextView = findViewById(R.id.response_body_textview) // Populate the URL text box. urlEditText.setText(currentUrl) - // Initialize the gray foreground color spans for highlighting the URLs. The deprecated `getColor()` must be used until the minimum API >= 23. - @Suppress("DEPRECATION") - initialGrayColorSpan = ForegroundColorSpan(resources.getColor(R.color.gray_500)) - @Suppress("DEPRECATION") - finalGrayColorSpan = ForegroundColorSpan(resources.getColor(R.color.gray_500)) - - // Get the current theme status. - val currentThemeStatus = resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK - - // Set the red color span according to the theme. The deprecated `getColor()` must be used until the minimum API >= 23. - redColorSpan = if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { - @Suppress("DEPRECATION") - ForegroundColorSpan(resources.getColor(R.color.red_a700)) - } else { - @Suppress("DEPRECATION") - ForegroundColorSpan(resources.getColor(R.color.red_900)) - } + // Initialize the gray foreground color spans for highlighting the URLs. + initialGrayColorSpan = ForegroundColorSpan(getColor(R.color.gray_500)) + finalGrayColorSpan = ForegroundColorSpan(getColor(R.color.gray_500)) + redColorSpan = ForegroundColorSpan(getColor(R.color.red_text)) // Apply text highlighting to the URL. - highlightUrlText() + UrlHelper.highlightSyntax(urlEditText, initialGrayColorSpan, finalGrayColorSpan, redColorSpan) // Get a handle for the input method manager, which is used to hide the keyboard. val inputMethodManager = (getSystemService(INPUT_METHOD_SERVICE) as InputMethodManager) @@ -160,16 +164,12 @@ class ViewSourceActivity: AppCompatActivity() { urlEditText.setSelection(0) // Reapply the highlighting. - highlightUrlText() + UrlHelper.highlightSyntax(urlEditText, initialGrayColorSpan, finalGrayColorSpan, redColorSpan) } } // Set the refresh color scheme according to the theme. - if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) { - swipeRefreshLayout.setColorSchemeResources(R.color.blue_700) - } else { - swipeRefreshLayout.setColorSchemeResources(R.color.violet_500) - } + swipeRefreshLayout.setColorSchemeResources(R.color.blue_text) // Initialize a color background typed value. val colorBackgroundTypedValue = TypedValue() @@ -253,14 +253,17 @@ class ViewSourceActivity: AppCompatActivity() { // Set the progress bar to be indeterminate. progressBar.isIndeterminate = true + // Update the layout. + updateLayout(currentUrl) + // Instantiate the WebView source factory. - val webViewSourceFactory: ViewModelProvider.Factory = WebViewSourceFactory(currentUrl!!, userAgent!!, localeString, proxy, MainWebViewActivity.executorService) + val webViewSourceFactory: ViewModelProvider.Factory = WebViewSourceFactory(currentUrl, userAgent, localeString, proxy, contentResolver, MainWebViewActivity.executorService) // Instantiate the WebView source view model class. - val webViewSource = ViewModelProvider(this, webViewSourceFactory).get(WebViewSource::class.java) + webViewSource = ViewModelProvider(this, webViewSourceFactory)[WebViewSource::class.java] // Create a source observer. - webViewSource.observeSource().observe(this, { sourceStringArray: Array -> + webViewSource.observeSource().observe(this) { sourceStringArray: Array -> // Populate the text views. This can take a long time, and freezes the user interface, if the response body is particularly large. requestHeadersTextView.text = sourceStringArray[0] responseMessageTextView.text = sourceStringArray[1] @@ -273,15 +276,24 @@ class ViewSourceActivity: AppCompatActivity() { //Stop the swipe to refresh indicator if it is running swipeRefreshLayout.isRefreshing = false - }) + } // Create an error observer. - webViewSource.observeErrors().observe(this, { errorString: String -> + webViewSource.observeErrors().observe(this) { errorString: String -> // Display an error snackbar if the string is not `""`. if (errorString != "") { - Snackbar.make(swipeRefreshLayout, errorString, Snackbar.LENGTH_LONG).show() + if (errorString.startsWith("javax.net.ssl.SSLHandshakeException")) { + // Instantiate the untrusted SSL certificate dialog. + val untrustedSslCertificateDialog = UntrustedSslCertificateDialog() + + // Show the untrusted SSL certificate dialog. + untrustedSslCertificateDialog.show(supportFragmentManager, getString(R.string.invalid_certificate)) + } else { + // Display a snackbar with the error message. + Snackbar.make(swipeRefreshLayout, errorString, Snackbar.LENGTH_LONG).show() + } } - }) + } // Implement swipe to refresh. swipeRefreshLayout.setOnRefreshListener { @@ -294,8 +306,11 @@ class ViewSourceActivity: AppCompatActivity() { // Get the URL. val urlString = urlEditText.text.toString() + // Update the layout. + updateLayout(urlString) + // Get the updated source. - webViewSource.updateSource(urlString) + webViewSource.updateSource(urlString, false) } // Set the go button on the keyboard to request new source data. @@ -317,8 +332,11 @@ class ViewSourceActivity: AppCompatActivity() { // Get the URL. val urlString = urlEditText.text.toString() + // Update the layout. + updateLayout(urlString) + // Get the updated source. - webViewSource.updateSource(urlString) + webViewSource.updateSource(urlString, false) // Consume the key press. return@setOnKeyListener true @@ -330,7 +348,7 @@ class ViewSourceActivity: AppCompatActivity() { } override fun onCreateOptionsMenu(menu: Menu): Boolean { - // Inflate the menu. This adds items to the action bar if it is present. + // Inflate the menu. menuInflater.inflate(R.menu.view_source_options_menu, menu) // Display the menu. @@ -338,7 +356,7 @@ class ViewSourceActivity: AppCompatActivity() { } override fun onOptionsItemSelected(menuItem: MenuItem): Boolean { - // Get a handle for the about alert dialog. + // Instantiate the about dialog fragment. val aboutDialogFragment: DialogFragment = AboutViewSourceDialog() // Show the about alert dialog. @@ -354,61 +372,32 @@ class ViewSourceActivity: AppCompatActivity() { NavUtils.navigateUpFromSameTask(this) } - private fun highlightUrlText() { - // Get a handle for the URL edit text. - val urlEditText = findViewById(R.id.url_edittext) - - // Get the URL string. - val urlString = urlEditText.text.toString() - - // Highlight the URL according to the protocol. - if (urlString.startsWith("file://")) { // This is a file URL. - // De-emphasize only the protocol. - urlEditText.text.setSpan(initialGrayColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } else if (urlString.startsWith("content://")) { - // De-emphasize only the protocol. - urlEditText.text.setSpan(initialGrayColorSpan, 0, 10, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } else { // This is a web URL. - // Get the index of the `/` immediately after the domain name. - val endOfDomainName = urlString.indexOf("/", urlString.indexOf("//") + 2) - - // Get the base URL. - val baseUrl = if (endOfDomainName > 0) { // There is at least one character after the base URL. - // Get the base URL. - urlString.substring(0, endOfDomainName) - } else { // There are no characters after the base URL. - // Set the base URL to be the entire URL string. - urlString - } - - // Get the index of the last `.` in the domain. - val lastDotIndex = baseUrl.lastIndexOf(".") - - // Get the index of the penultimate `.` in the domain. - val penultimateDotIndex = baseUrl.lastIndexOf(".", lastDotIndex - 1) - - // Markup the beginning of the URL. - if (urlString.startsWith("http://")) { // Highlight the protocol of connections that are not encrypted. - urlEditText.text.setSpan(redColorSpan, 0, 7, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - - // De-emphasize subdomains. - if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name. - urlEditText.text.setSpan(initialGrayColorSpan, 7, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } - } else if (urlString.startsWith("https://")) { // De-emphasize the protocol of connections that are encrypted. - if (penultimateDotIndex > 0) { // There is more than one subdomain in the domain name. - // De-emphasize the protocol and the additional subdomains. - urlEditText.text.setSpan(initialGrayColorSpan, 0, penultimateDotIndex + 1, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } else { // There is only one subdomain in the domain name. - // De-emphasize only the protocol. - urlEditText.text.setSpan(initialGrayColorSpan, 0, 8, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } - } + override fun loadAnyway() { + // Load the URL anyway. + webViewSource.updateSource(urlEditText.text.toString(), true) + } - // De-emphasize the text after the domain name. - if (endOfDomainName > 0) { - urlEditText.text.setSpan(finalGrayColorSpan, endOfDomainName, urlString.length, Spanned.SPAN_INCLUSIVE_INCLUSIVE) - } + private fun updateLayout(urlString: String) { + if (urlString.startsWith("content://")) { // This is a content URL. + // Hide the unused text views. + requestHeadersTitleTextView.visibility = View.GONE + requestHeadersTextView.visibility = View.GONE + responseMessageTitleTextView.visibility = View.GONE + responseMessageTextView.visibility = View.GONE + + // Change the text of the remaining title text views. + responseHeadersTitleTextView.setText(R.string.content_metadata) + responseBodyTitleTextView.setText(R.string.content_data) + } else { // This is not a content URL. + // Show the views. + requestHeadersTitleTextView.visibility = View.VISIBLE + requestHeadersTextView.visibility = View.VISIBLE + responseMessageTitleTextView.visibility = View.VISIBLE + responseMessageTextView.visibility = View.VISIBLE + + // Restore the text of the other title text views. + responseHeadersTitleTextView.setText(R.string.response_headers) + responseBodyTitleTextView.setText(R.string.response_body) } } -} \ No newline at end of file +}