package com.stoutner.privacybrowser.backgroundtasks;
+import android.annotation.SuppressLint;
import android.content.ContentResolver;
import android.database.Cursor;
import android.graphics.Typeface;
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, String localeString, Proxy proxy, ContentResolver contentResolver, 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();
// Get a URI for the content URL.
Uri contentUri = Uri.parse(urlString);
- // Define the variables necessary to build the response headers.
- int oldResponseHeadersBuilderLength;
- int newResponseHeadersBuilderLength;
-
// Get a cursor with metadata about the content URL.
Cursor contentCursor = contentResolver.query(contentUri, null, null, null, null);
}
// Add each header to the string builder.
- if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart.
- responseHeadersBuilder.append(contentCursor.getColumnName(i), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
- } else { // Older versions are not so much.
- oldResponseHeadersBuilderLength = responseHeadersBuilder.length();
- responseHeadersBuilder.append(contentCursor.getColumnName(i));
- newResponseHeadersBuilderLength = responseHeadersBuilder.length();
- responseHeadersBuilder.setSpan(new StyleSpan(Typeface.BOLD), oldResponseHeadersBuilderLength, newResponseHeadersBuilderLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
- }
+ responseHeadersBuilder.append(contentCursor.getColumnName(i), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
responseHeadersBuilder.append(": ");
responseHeadersBuilder.append(contentCursor.getString(i));
}
// Open a connection to the URL. No data is actually sent at this point.
HttpURLConnection httpUrlConnection = (HttpURLConnection) url.openConnection(proxy);
- // Define the variables necessary to build the request headers.
- int oldRequestHeadersBuilderLength;
- int newRequestHeadersBuilderLength;
-
-
// Set the `Host` header property.
httpUrlConnection.setRequestProperty("Host", url.getHost());
// 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);
- }
+ requestHeadersBuilder.append("Host", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": ");
requestHeadersBuilder.append(url.getHost());
// 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.
- 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("Connection", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": keep-alive");
// 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.
- 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("Upgrade-Insecure-Requests", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": 1");
// 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.
- 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("User-Agent", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": ");
requestHeadersBuilder.append(userAgent);
// 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.
- 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("x-requested-with", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": ");
// 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.
- 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("Sec-Fetch-Site", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": none");
// 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.
- 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("Sec-Fetch-Mode", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": navigate");
// 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.
- 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("Sec-Fetch-User", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": ?1");
// 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("Accept", new StyleSpan(Typeface.BOLD), 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");
// 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.
- 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("Accept-Language", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
requestHeadersBuilder.append(": ");
requestHeadersBuilder.append(localeString);
// 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.
- 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("Cookie", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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.
- 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("Accept-Encoding", new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
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);
+ }
// 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();
-
// 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.
- 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(String.valueOf(responseCode), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
responseMessageBuilder.append(": ");
responseMessageBuilder.append(httpUrlConnection.getResponseMessage());
}
// Add the header to the string builder and format the text.
- if (Build.VERSION.SDK_INT >= 21) { // Newer versions of Android are so smart.
- 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(httpUrlConnection.getHeaderFieldKey(i), new StyleSpan(Typeface.BOLD), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
responseHeadersBuilder.append(": ");
responseHeadersBuilder.append(httpUrlConnection.getHeaderField(i));
}
}
- // 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