X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fbackgroundtasks%2FGetSourceBackgroundTask.java;h=b076fd38b2e62cc6d7eafd8672941b6c08ccb3cd;hp=2c900646abe02953edd83431f9f57d14a5d0629a;hb=ab11ca2de00c56982e46627c8e7fc670462b0b3c;hpb=606b5659cfd41c546fcbf248dcde72fd3c60d1c3 diff --git a/app/src/main/java/com/stoutner/privacybrowser/backgroundtasks/GetSourceBackgroundTask.java b/app/src/main/java/com/stoutner/privacybrowser/backgroundtasks/GetSourceBackgroundTask.java index 2c900646..b076fd38 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/backgroundtasks/GetSourceBackgroundTask.java +++ b/app/src/main/java/com/stoutner/privacybrowser/backgroundtasks/GetSourceBackgroundTask.java @@ -1,5 +1,5 @@ /* - * Copyright © 2017-2020 Soren Stoutner . + * Copyright © 2017-2021 Soren Stoutner . * * This file is part of Privacy Browser . * @@ -19,7 +19,11 @@ package com.stoutner.privacybrowser.backgroundtasks; +import android.annotation.SuppressLint; +import android.content.ContentResolver; +import android.database.Cursor; import android.graphics.Typeface; +import android.net.Uri; import android.os.Build; import android.text.SpannableStringBuilder; import android.text.Spanned; @@ -29,343 +33,317 @@ import android.webkit.CookieManager; import com.stoutner.privacybrowser.viewmodels.WebViewSource; import java.io.BufferedInputStream; +import java.io.BufferedReader; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; +import java.io.InputStreamReader; import java.net.HttpURLConnection; import java.net.Proxy; import java.net.URL; +import java.security.SecureRandom; +import java.security.cert.X509Certificate; + +import javax.net.ssl.HostnameVerifier; +import javax.net.ssl.HttpsURLConnection; +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLSocketFactory; +import javax.net.ssl.TrustManager; +import javax.net.ssl.X509TrustManager; public class GetSourceBackgroundTask { - public SpannableStringBuilder[] acquire(String urlString, String userAgent, boolean doNotTrack, String localeString, Proxy proxy, WebViewSource webViewSource) { + public SpannableStringBuilder[] acquire(String urlString, String userAgent, String localeString, Proxy proxy, ContentResolver contentResolver, WebViewSource webViewSource, boolean ignoreSslErrors) { // Initialize the spannable string builders. SpannableStringBuilder requestHeadersBuilder = new SpannableStringBuilder(); SpannableStringBuilder responseMessageBuilder = new SpannableStringBuilder(); SpannableStringBuilder responseHeadersBuilder = new SpannableStringBuilder(); SpannableStringBuilder responseBodyBuilder = new SpannableStringBuilder(); - // Because everything relating to requesting data from a webserver can throw errors, the entire section must catch `IOExceptions`. - try { - // Get the current URL from the main activity. - URL url = new URL(urlString); + if (urlString.startsWith("content://")) { // This is a content URL. + // Attempt to read the content data. Return an error if this fails. + try { + // Get a URI for the content URL. + Uri contentUri = Uri.parse(urlString); - // Open a connection to the URL. No data is actually sent at this point. - HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy); + // Get a cursor with metadata about the content URL. + Cursor contentCursor = contentResolver.query(contentUri, null, null, null, null); - // Define the variables necessary to build the request headers. - requestHeadersBuilder = new SpannableStringBuilder(); - int oldRequestHeadersBuilderLength; - int newRequestHeadersBuilderLength; + // Move the content cursor to the first row. + contentCursor.moveToFirst(); + for (int i = 0; i < contentCursor.getColumnCount(); i++) { + // Add a new line if this is not the first entry. + if (i > 0) { + responseHeadersBuilder.append(System.getProperty("line.separator")); + } - // Set the `Host` header property. - httpUrlConnection.setRequestProperty("Host", url.getHost()); + // Add each header to the string builder. + responseHeadersBuilder.append(contentCursor.getColumnName(i), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); + responseHeadersBuilder.append(": "); + responseHeadersBuilder.append(contentCursor.getString(i)); + } - // Add the `Host` header to the string builder and format the text. - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. - requestHeadersBuilder.append("Host", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Host"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); + // Close the content cursor. + contentCursor.close(); + + // Create a buffered string reader for the content data. + BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(contentResolver.openInputStream(contentUri))); + + // Get the data from the buffered reader one line at a time. + for (String contentLineString; ((contentLineString = bufferedReader.readLine()) != null);) { + // Add the line to the response body builder. + responseBodyBuilder.append(contentLineString); + + // Append a new line. + responseBodyBuilder.append("\n"); + } + } catch (Exception exception) { + // Return the error message. + webViewSource.returnError(exception.toString()); } - requestHeadersBuilder.append(": "); - requestHeadersBuilder.append(url.getHost()); + } else { // This is not a content URL. + // Because everything relating to requesting data from a webserver can throw errors, the entire section must catch `IOExceptions`. + try { + // Get the current URL from the main activity. + URL url = new URL(urlString); + + // Open a connection to the URL. No data is actually sent at this point. + HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy); + + // Set the `Host` header property. + httpUrlConnection.setRequestProperty("Host", url.getHost()); + + // Add the `Host` header to the string builder and format the text. + requestHeadersBuilder.append("Host", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); + requestHeadersBuilder.append(": "); + requestHeadersBuilder.append(url.getHost()); - // Set the `Connection` header property. - httpUrlConnection.setRequestProperty("Connection", "keep-alive"); + // Set the `Connection` header property. + httpUrlConnection.setRequestProperty("Connection", "keep-alive"); - // Add the `Connection` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Connection` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Connection", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Connection"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": keep-alive"); + requestHeadersBuilder.append(": keep-alive"); - // Set the `Upgrade-Insecure-Requests` header property. - httpUrlConnection.setRequestProperty("Upgrade-Insecure-Requests", "1"); + // Set the `Upgrade-Insecure-Requests` header property. + httpUrlConnection.setRequestProperty("Upgrade-Insecure-Requests", "1"); - // Add the `Upgrade-Insecure-Requests` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Upgrade-Insecure-Requests` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Upgrade-Insecure-Requests", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Upgrade-Insecure_Requests"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": 1"); + requestHeadersBuilder.append(": 1"); - // Set the `User-Agent` header property. - httpUrlConnection.setRequestProperty("User-Agent", userAgent); + // Set the `User-Agent` header property. + httpUrlConnection.setRequestProperty("User-Agent", userAgent); - // Add the `User-Agent` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `User-Agent` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("User-Agent", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("User-Agent"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": "); - requestHeadersBuilder.append(userAgent); + requestHeadersBuilder.append(": "); + requestHeadersBuilder.append(userAgent); - // Set the `x-requested-with` header property. - httpUrlConnection.setRequestProperty("x-requested-with", ""); + // Set the `x-requested-with` header property. + httpUrlConnection.setRequestProperty("x-requested-with", ""); - // Add the `x-requested-with` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `x-requested-with` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("x-requested-with", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("x-requested-with"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": "); + requestHeadersBuilder.append(": "); - // Set the `Sec-Fetch-Site` header property. - httpUrlConnection.setRequestProperty("Sec-Fetch-Site", "none"); + // Set the `Sec-Fetch-Site` header property. + httpUrlConnection.setRequestProperty("Sec-Fetch-Site", "none"); - // Add the `Sec-Fetch-Site` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Sec-Fetch-Site` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Sec-Fetch-Site", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Sec-Fetch-Site"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": none"); + requestHeadersBuilder.append(": none"); - // Set the `Sec-Fetch-Mode` header property. - httpUrlConnection.setRequestProperty("Sec-Fetch-Mode", "navigate"); + // Set the `Sec-Fetch-Mode` header property. + httpUrlConnection.setRequestProperty("Sec-Fetch-Mode", "navigate"); - // Add the `Sec-Fetch-Mode` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Sec-Fetch-Mode` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Sec-Fetch-Mode", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Sec-Fetch-Mode"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": navigate"); + requestHeadersBuilder.append(": navigate"); - // Set the `Sec-Fetch-User` header property. - httpUrlConnection.setRequestProperty("Sec-Fetch-User", "?1"); + // Set the `Sec-Fetch-User` header property. + httpUrlConnection.setRequestProperty("Sec-Fetch-User", "?1"); - // Add the `Sec-Fetch-User` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Sec-Fetch-User` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Sec-Fetch-User", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Sec-Fetch-User"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": ?1"); + requestHeadersBuilder.append(": ?1"); - // Only populate `Do Not Track` if it is enabled. - if (doNotTrack) { - // Set the `dnt` header property. - httpUrlConnection.setRequestProperty("dnt", "1"); + // Set the `Accept` header property. + httpUrlConnection.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); - // Add the `dnt` header to the string builder and format the text. + // Add the `Accept` header to the string builder and format the text. requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. - requestHeadersBuilder.append("dnt", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("dnt"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": 1"); - } - - - // Set the `Accept` header property. - httpUrlConnection.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); - - // Add the `Accept` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. requestHeadersBuilder.append("Accept", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Accept"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": "); - requestHeadersBuilder.append("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); + requestHeadersBuilder.append(": "); + requestHeadersBuilder.append("text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3"); - // Set the `Accept-Language` header property. - httpUrlConnection.setRequestProperty("Accept-Language", localeString); + // Set the `Accept-Language` header property. + httpUrlConnection.setRequestProperty("Accept-Language", localeString); - // Add the `Accept-Language` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the `Accept-Language` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Accept-Language", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Accept-Language"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": "); - requestHeadersBuilder.append(localeString); + requestHeadersBuilder.append(": "); + requestHeadersBuilder.append(localeString); - // Get the cookies for the current domain. - String cookiesString = CookieManager.getInstance().getCookie(url.toString()); + // Get the cookies for the current domain. + String cookiesString = CookieManager.getInstance().getCookie(url.toString()); - // Only process the cookies if they are not null. - if (cookiesString != null) { - // Add the cookies to the header property. - httpUrlConnection.setRequestProperty("Cookie", cookiesString); + // Only process the cookies if they are not null. + if (cookiesString != null) { + // Add the cookies to the header property. + httpUrlConnection.setRequestProperty("Cookie", cookiesString); - // Add the cookie header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the cookie header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Cookie", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Cookie"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); + requestHeadersBuilder.append(": "); + requestHeadersBuilder.append(cookiesString); } - requestHeadersBuilder.append(": "); - requestHeadersBuilder.append(cookiesString); - } - // `HttpUrlConnection` sets `Accept-Encoding` to be `gzip` by default. If the property is manually set, than `HttpUrlConnection` does not process the decoding. - // Add the `Accept-Encoding` header to the string builder and format the text. - requestHeadersBuilder.append(System.getProperty("line.separator")); - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // `HttpUrlConnection` sets `Accept-Encoding` to be `gzip` by default. If the property is manually set, than `HttpUrlConnection` does not process the decoding. + // Add the `Accept-Encoding` header to the string builder and format the text. + requestHeadersBuilder.append(System.getProperty("line.separator")); requestHeadersBuilder.append("Accept-Encoding", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - oldRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.append("Accept-Encoding"); - newRequestHeadersBuilderLength = requestHeadersBuilder.length(); - requestHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldRequestHeadersBuilderLength, newRequestHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - requestHeadersBuilder.append(": gzip"); - - - // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block. - try { - // Initialize the string builders. - responseMessageBuilder = new SpannableStringBuilder(); - responseHeadersBuilder = new SpannableStringBuilder(); + requestHeadersBuilder.append(": gzip"); + + // Ignore SSL errors if requested. + if (ignoreSslErrors){ + // Create a new host name verifier. + HostnameVerifier hostnameVerifier = (hostname, sslSession) -> { + // Allow all host names. + return true; + }; + + // Create a new trust manager. + TrustManager[] trustManager = new TrustManager[] { + new X509TrustManager() { + @SuppressLint("TrustAllX509TrustManager") + @Override + public void checkClientTrusted(X509Certificate[] chain, String authType) { + // Do nothing, which trusts all client certificates. + } + + @SuppressLint("TrustAllX509TrustManager") + @Override + public void checkServerTrusted(X509Certificate[] chain, String authType) { + // Do nothing, which trusts all server certificates. + } + + @Override + public X509Certificate[] getAcceptedIssuers() { + return null; + } + } + }; + + // Get an SSL context. `TLS` provides a base instance available from API 1. + SSLContext sslContext = SSLContext.getInstance("TLS"); + + // Initialize the SSL context with the blank trust manager. + sslContext.init(null, trustManager, new SecureRandom()); + + // Get the SSL socket factory with the blank trust manager. + SSLSocketFactory socketFactory = sslContext.getSocketFactory(); + + // Set the HTTPS URL Connection to use the blank host name verifier. + ((HttpsURLConnection) httpUrlConnection).setHostnameVerifier(hostnameVerifier); + + // Set the HTTPS URL connection to use the socket factory with the blank trust manager. + ((HttpsURLConnection) httpUrlConnection).setSSLSocketFactory(socketFactory); + } - // Get the response code, which causes the connection to the server to be made. - int responseCode = httpUrlConnection.getResponseCode(); + // The actual network request is in a `try` bracket so that `disconnect()` is run in the `finally` section even if an error is encountered in the main block. + try { + // Get the response code, which causes the connection to the server to be made. + int responseCode = httpUrlConnection.getResponseCode(); - // Populate the response message string builder. - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Populate the response message string builder. responseMessageBuilder.append(String.valueOf(responseCode), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - responseMessageBuilder.append(String.valueOf(responseCode)); - int newLength = responseMessageBuilder.length(); - responseMessageBuilder.setSpan(new StyleSpan(Typeface.BOLD), 0, newLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - responseMessageBuilder.append(": "); - responseMessageBuilder.append(httpUrlConnection.getResponseMessage()); + responseMessageBuilder.append(": "); + responseMessageBuilder.append(httpUrlConnection.getResponseMessage()); - // Initialize the iteration variable. - int i = 0; + // Initialize the iteration variable. + int i = 0; - // Iterate through the received header fields. - while (httpUrlConnection.getHeaderField(i) != null) { - // Add a new line if there is already information in the string builder. - if (i > 0) { - responseHeadersBuilder.append(System.getProperty("line.separator")); - } + // Iterate through the received header fields. + while (httpUrlConnection.getHeaderField(i) != null) { + // Add a new line if there is already information in the string builder. + if (i > 0) { + responseHeadersBuilder.append(System.getProperty("line.separator")); + } - // Add the header to the string builder and format the text. - if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart. + // Add the header to the string builder and format the text. responseHeadersBuilder.append(httpUrlConnection.getHeaderFieldKey(i), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } else { // Older versions not so much. - int oldLength = responseHeadersBuilder.length(); - responseHeadersBuilder.append(httpUrlConnection.getHeaderFieldKey(i)); - int newLength = responseHeadersBuilder.length(); - responseHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldLength, newLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); - } - responseHeadersBuilder.append(": "); - responseHeadersBuilder.append(httpUrlConnection.getHeaderField(i)); + responseHeadersBuilder.append(": "); + responseHeadersBuilder.append(httpUrlConnection.getHeaderField(i)); - // Increment the iteration variable. - i++; - } - - // Instantiate an input stream for the response body. - InputStream inputStream; - - // Get the correct input stream based on the response code. - if (responseCode == 404) { // Get the error stream. - inputStream = new BufferedInputStream(httpUrlConnection.getErrorStream()); - } else { // Get the response body stream. - inputStream = new BufferedInputStream(httpUrlConnection.getInputStream()); - } + // Increment the iteration variable. + i++; + } - // Initialize the byte array output stream and the conversion buffer byte array. - ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); - byte[] conversionBufferByteArray = new byte[1024]; + // Instantiate an input stream for the response body. + InputStream inputStream; - // Define the buffer length variable. - int bufferLength; + // Get the correct input stream based on the response code. + if (responseCode == 404) { // Get the error stream. + inputStream = new BufferedInputStream(httpUrlConnection.getErrorStream()); + } else { // Get the response body stream. + inputStream = new BufferedInputStream(httpUrlConnection.getInputStream()); + } - try { - // Attempt to read data from the input stream and store it in the conversion buffer byte array. Also store the amount of data read in the buffer length variable. - while ((bufferLength = inputStream.read(conversionBufferByteArray)) > 0) { // Proceed while the amount of data stored in the buffer is > 0. - // Write the contents of the conversion buffer to the byte array output stream. - byteArrayOutputStream.write(conversionBufferByteArray, 0, bufferLength); + // Initialize the byte array output stream and the conversion buffer byte array. + ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); + byte[] conversionBufferByteArray = new byte[1024]; + + // Define the buffer length variable. + int bufferLength; + + try { + // Attempt to read data from the input stream and store it in the conversion buffer byte array. Also store the amount of data read in the buffer length variable. + while ((bufferLength = inputStream.read(conversionBufferByteArray)) > 0) { // Proceed while the amount of data stored in the buffer is > 0. + // Write the contents of the conversion buffer to the byte array output stream. + byteArrayOutputStream.write(conversionBufferByteArray, 0, bufferLength); + } + } catch (IOException exception) { + // Return the error message. + webViewSource.returnError(exception.toString()); } - } catch (IOException exception) { - // Return the error message. - webViewSource.returnError(exception.toString()); - } - // Close the input stream. - inputStream.close(); + // Close the input stream. + inputStream.close(); - // Populate the response body string with the contents of the byte array output stream. - responseBodyBuilder.append(byteArrayOutputStream.toString()); - } finally { - // Disconnect HTTP URL connection. - httpUrlConnection.disconnect(); + // Populate the response body string with the contents of the byte array output stream. + responseBodyBuilder.append(byteArrayOutputStream.toString()); + } finally { + // Disconnect HTTP URL connection. + httpUrlConnection.disconnect(); + } + } catch (Exception exception) { + // Return the error message. + webViewSource.returnError(exception.toString()); } - } catch (Exception exception) { - // Return the error message. - webViewSource.returnError(exception.toString()); } - // Return the response body string as the result. + // Return the spannable string builders. return new SpannableStringBuilder[] {requestHeadersBuilder, responseMessageBuilder, responseHeadersBuilder, responseBodyBuilder}; } } \ No newline at end of file