/*
- * Copyright © 2017-2020 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2017-2021 Soren Stoutner <soren@stoutner.com>.
*
* This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
*
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;
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. <https://developer.android.com/reference/javax/net/ssl/SSLContext>
+ 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
projects / PrivacyBrowserAndroid.git / blobdiff