mirror of
https://github.com/moparisthebest/k-9
synced 2024-11-13 13:05:03 -05:00
Implemented the beginning of auto-configuration. The data is downloaded when available. Some TODO's left.
This commit is contained in:
Sander Bogaert
Andrew Chen
parent
e72f9caec3
commit
2a229a7a47
16
res/layout/account_setup_autoconfig.xml
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16
res/layout/account_setup_autoconfig.xml
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@ -0,0 +1,16 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent">
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<!-- TODO: add a nice ?animated? image here, hourglass or something -->
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<TextView android:id="@+id/status_message"
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android:layout_height="wrap_content"
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android:layout_width="fill_parent"
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android:gravity="center_horizontal"
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android:paddingBottom="6dip"/>
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<!-- TODO: add a cancel button -->
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</LinearLayout>
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@ -0,0 +1,403 @@
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package com.fsck.k9.activity.setup;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.os.*;
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import android.os.Process;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.TextView;
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import com.fsck.k9.K9;
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import com.fsck.k9.R;
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import com.fsck.k9.activity.K9Activity;
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import com.fsck.k9.activity.setup.configxmlparser.XMLDescriptionHandler;
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import com.fsck.k9.mail.store.TrustManagerFactory;
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import org.xml.sax.SAXException;
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import org.xml.sax.XMLReader;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLPeerUnverifiedException;
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import javax.net.ssl.TrustManager;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import java.io.*;
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import java.net.*;
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import java.security.KeyManagementException;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.security.cert.CertificateException;
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import java.security.cert.X509Certificate;
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import java.util.ArrayList;
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import java.util.Arrays;
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/**
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* User: dzan
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* Date: 30/06/11
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*/
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public class AccountSetupAutoConfiguration extends K9Activity implements View.OnClickListener {
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// constants for the intent/activity system
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// TODO: read about intents and make this one result right
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public static final int ACTIVITY_REQUEST_CODE = 1;
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private static final String EMAIL_ADDRESS = "account";
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private static final String PASSWORD = "password";
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// timeout for testing services availability ( in ms )
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private static final int TIMEOUT = 20000;
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// location of mozilla's ispdb
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private String databaseBaseUrl = "https://live.mozillamessaging.com/autoconfig/v1.1/";
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// for now there are only 2 so I just hardcode them here
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// also note: order they are listed is the order they'll be checked
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// info: https://developer.mozilla.org/en/Thunderbird/Autoconfiguration
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private ArrayList<String> urlTemplates = new ArrayList<String>(Arrays.asList(
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"https://%domain%/.well-known/autoconfig/mail/config-v1.1.xml",
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"https://autoconfig.%domain%/mail/config-v1.1.xml?emailaddress=%address%",
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databaseBaseUrl+"%domain%",
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"http://%domain%/.well-known/autoconfig/mail/config-v1.1.xml",
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"http://autoconfig.%domain%/mail/config-v1.1.xml?emailaddress=%address%"));
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// info matching the urls above
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private ArrayList<Integer> urlInfoStatements = new ArrayList<Integer>(Arrays.asList(
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R.string.account_setup_autoconfig_test_safe_serverside,
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R.string.account_setup_autoconfig_test_safe_serverside,
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R.string.account_setup_autoconfig_test_ispdb,
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R.string.account_setup_autoconfig_test_unsafe_serverside,
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R.string.account_setup_autoconfig_test_unsafe_serverside
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));
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// marks the beginning of unsafe urls
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private final int UNSAFE_URL_START = 3;
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// our hook in the gui thread
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private Handler mHandler = new Handler();
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// events that affect the thread
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private boolean mCanceled;
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private boolean mDestroyed;
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private TextView mMessageView;
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private String mEmailAddress;
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private String mPassword;
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private String mLastMessage;
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/*
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Start the auto-configuration activity
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*/
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public static void actionAttemptConfiguration(Activity context, String email, String password) {
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Intent i = new Intent(context, AccountSetupAutoConfiguration.class);
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i.putExtra(EMAIL_ADDRESS, email);
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i.putExtra(PASSWORD, password);
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context.startActivityForResult(i, ACTIVITY_REQUEST_CODE);
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}
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/*
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'Constructor'; Most of the logic is in here.
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*/
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// Setting up the view
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setContentView(R.layout.account_setup_autoconfig);
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mMessageView = (TextView)findViewById(R.id.status_message);
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// ((Button)findViewById(R.id.cancel)).setOnClickListener(this);
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// Getting our data to work with
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mEmailAddress = getIntent().getStringExtra(EMAIL_ADDRESS);
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mPassword = getIntent().getStringExtra(PASSWORD);
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// The real action, in a separate thread
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new Thread() {
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@Override
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public void run() {
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android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND);
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// declare some variables
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String data = ""; // used to store downloaded xml before parsing
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String tmpURL = "";
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// notify the user we'll get started
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setMessage(R.string.account_setup_autoconfig_info, true);
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// divide the address
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String[] emailParts = splitEmail(mEmailAddress);
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String user = emailParts[0];
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String domain = emailParts[1];
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/*
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First part: check if serverside configuration data exists
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*/
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int i = 0;
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while( i < urlTemplates.size() ){
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try{
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// inform the user
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setMessage(urlInfoStatements.get(i),true);
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// preparing the urls
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if( !domain.contains("%user%") ){ // else SHIT
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tmpURL = urlTemplates.get(i).replaceAll("%domain%",domain);
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tmpURL = tmpURL.replaceAll("%address%",mEmailAddress);
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}
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data = getXMLData(new URL(tmpURL));
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if( !data.isEmpty() ){
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setMessage(R.string.account_setup_autoconfig_found,false);
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// parse and finish
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// remember if i >= UNSAFE_URL_START => POSSIBLE UNSAFE DATA, alert user!!!
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parse(data);
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finish();
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return;
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}
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// end the output if needed
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closeUserInformationIfNeeded(i);
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}catch (SocketTimeoutException ex){
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Log.e(K9.LOG_TAG, "Error while attempting auto-configuration with url '"+
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tmpURL+"' ( time-out is"+TIMEOUT+" )", ex);
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}catch (MalformedURLException ex){
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Log.e(K9.LOG_TAG, "Error while attempting auto-configuration with url '"+
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tmpURL+"'", ex);
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}catch (UnknownHostException ex){
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Log.e(K9.LOG_TAG, "Error while attempting auto-configuration with url '"+
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tmpURL+"'", ex);
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}
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catch (SSLPeerUnverifiedException ex){
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Log.e(K9.LOG_TAG, "Error while testing settings", ex);
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acceptKeyDialog(
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R.string.account_setup_failed_dlg_certificate_message_fmt,i,ex);
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}
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catch(IOException ex) {
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Log.e(K9.LOG_TAG, "Error while attempting auto-configuration with url '"+
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tmpURL+"'", ex);
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} catch (ErrorCodeException ex) {
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Log.e(K9.LOG_TAG, "Error while attempting auto-configuration with url '" +
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tmpURL + "' site didn't respond as expected. Got code: " + ex.getErrorCode(), ex);
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} finally {
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// might be the user cancelled by now or the app was destroyed
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if (mDestroyed) return;
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if (mCanceled) { finish(); return; }
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// check next url
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++i;
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}
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// no server-side config was found
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closeUserInformationIfNeeded(i-1);
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}
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}
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}
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.start();
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}
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/*
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Start parsing the xml
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*/
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private void parse(String data) {
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try{
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XMLReader xr = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
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xr.setContentHandler(new XMLDescriptionHandler());
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//xr.parse(data);
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// TODO: take care of these
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} catch (ParserConfigurationException e) {
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e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
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} catch (SAXException e) {
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e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
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}
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}
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/*
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Checks if an url is available / exists
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*/
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private String getXMLData(URL url) throws IOException, ErrorCodeException{
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// think we should assume no redirects
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// TODO: use k9's own TrustManager so the right exception gets throwed and the user can choose to accept the certificate
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HttpURLConnection conn = (HttpURLConnection)url.openConnection();
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conn.setInstanceFollowRedirects(false);
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// prepare request
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conn.setConnectTimeout(TIMEOUT);
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// get the data
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String tmp, line;
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tmp = "";
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BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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while( (line = reader.readLine()) != null)
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tmp += line;
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if( conn.getResponseCode() != 200 )
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throw new ErrorCodeException("Server did not return as expected.",conn.getResponseCode());
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conn.disconnect();
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return tmp;
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}
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/*
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Adds messages to the view, provides the user with progress reports
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*/
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private void setMessage(int resId, final boolean newLine){
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setMessage(getString(resId), newLine);
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}
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private void setMessage(final String msg, final boolean newline) {
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mHandler.post(new Runnable() {
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public void run() {
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// don't print if same as last message or when process should be destroyed
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if (mDestroyed || mLastMessage == msg ) { return; }
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// build the new content of the textview
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String current = mMessageView.getText().toString();
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if(newline) current+='\n'+msg;
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else current += msg;
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// set content & update last message
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mMessageView.setText(current);
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mLastMessage = msg;
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}
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});
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}
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private void closeUserInformationIfNeeded(int urlNumb) {
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int a = urlInfoStatements.get(urlNumb);
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int b = urlInfoStatements.get(urlNumb+1);
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if( urlNumb == urlInfoStatements.size() - 1 || a != b ){
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mHandler.post(new Runnable() {
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public void run() {
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mMessageView.setText(mMessageView.getText().toString()+
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getString(R.string.account_setup_autoconfig_missing));
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}
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});
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}
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}
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/*
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We stop our thread
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*/
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@Override
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public void onDestroy() {
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super.onDestroy();
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mDestroyed = true;
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mCanceled = true;
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}
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/*
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Alert user he canceled and stop the thread
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*/
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private void onCancel() {
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mCanceled = true;
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setMessage(R.string.account_setup_check_settings_canceling_msg, true);
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}
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/*
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Splits an email address in domain and username parts
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*/
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private String[] splitEmail(String email) {
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String[] retParts = new String[2];
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String[] emailParts = email.split("@");
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retParts[0] = (emailParts.length > 0) ? emailParts[0] : "";
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retParts[1] = (emailParts.length > 1) ? emailParts[1] : "";
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return retParts;
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}
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@Override
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public void onActivityResult(int reqCode, int resCode, Intent data) {
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setResult(resCode);
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finish();
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}
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public void onClick(View v) {
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switch (v.getId()) {
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case R.id.cancel:
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onCancel();
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break;
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}
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}
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/*
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Ask the user to accept ssl certificates if they are not trusted already.
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TODO: Rework this so it changes the url counter, not restart intent
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*/
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private void acceptKeyDialog(final int msgResId, final int urlNumber, final Object... args) {
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mHandler.post(new Runnable() {
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public void run() {
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if (mDestroyed) {
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return;
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}
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final X509Certificate[] chain = TrustManagerFactory.getLastCertChain();
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String exMessage = "Unknown Error";
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Exception ex = ((Exception) args[0]);
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if (ex != null) {
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if (ex.getCause() != null) {
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if (ex.getCause().getCause() != null) {
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exMessage = ex.getCause().getCause().getMessage();
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} else {
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exMessage = ex.getCause().getMessage();
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}
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} else {
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exMessage = ex.getMessage();
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}
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}
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StringBuffer chainInfo = new StringBuffer(100);
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for (int i = 0; i < chain.length; i++) {
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// display certificate chain information
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chainInfo.append("Certificate chain[" + i + "]:\n");
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chainInfo.append("Subject: " + chain[i].getSubjectDN().toString() + "\n");
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chainInfo.append("Issuer: " + chain[i].getIssuerDN().toString() + "\n");
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}
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new AlertDialog.Builder(AccountSetupAutoConfiguration.this)
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.setTitle(getString(R.string.account_setup_failed_dlg_invalid_certificate_title))
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//.setMessage(getString(R.string.account_setup_failed_dlg_invalid_certificate)
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.setMessage(getString(msgResId, exMessage) + " " + chainInfo.toString())
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.setCancelable(true)
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.setPositiveButton(getString(R.string.account_setup_failed_dlg_invalid_certificate_accept),
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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try {
|
||||||
|
// NOTE: the first argument is never used...
|
||||||
|
TrustManagerFactory.addCertificateChain(mEmailAddress + urlTemplates.get(urlNumber), chain);
|
||||||
|
} catch (CertificateException e) {
|
||||||
|
setMessage(getString(R.string.account_setup_failed_dlg_certificate_message_fmt,
|
||||||
|
e.getMessage() == null ? "" : e.getMessage()), true);
|
||||||
|
}
|
||||||
|
// TODO: rework this so we just retry the last URL, DO NOT RESTART THE WHOLE ACTIVITY!!
|
||||||
|
AccountSetupAutoConfiguration.actionAttemptConfiguration(AccountSetupAutoConfiguration.this, mEmailAddress, mPassword);
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.setNegativeButton(
|
||||||
|
getString(R.string.account_setup_failed_dlg_invalid_certificate_reject),
|
||||||
|
new DialogInterface.OnClickListener() {
|
||||||
|
public void onClick(DialogInterface dialog, int which) {
|
||||||
|
finish();
|
||||||
|
}
|
||||||
|
})
|
||||||
|
.show();
|
||||||
|
}
|
||||||
|
});
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
Small custom exception to pass http response codes around
|
||||||
|
*/
|
||||||
|
private class ErrorCodeException extends Exception {
|
||||||
|
private int errorCode;
|
||||||
|
public ErrorCodeException(String msg, Integer code){
|
||||||
|
super(msg);
|
||||||
|
errorCode = code;
|
||||||
|
}
|
||||||
|
public int getErrorCode(){return errorCode;}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user