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mirror of https://github.com/owncloud/android-library.git synced 2025-06-07 16:06:08 +00:00

Prevent access to accounts of other apps with the same name as an OC account

This commit is contained in:
David A. Velasco 2017-02-02 13:32:42 +01:00 committed by davigonz
parent 5d17bbb88d
commit 1535be3876
3 changed files with 140 additions and 163 deletions

View File

@ -28,6 +28,11 @@
android:versionCode="1"
android:versionName="1.0" >
<!-- USE_CREDENTIALS, MANAGE_ACCOUNTS and AUTHENTICATE_ACCOUNTS are needed for API < 23.
In API >= 23 the do not exist anymore -->
<uses-permission android:name="android.permission.USE_CREDENTIALS" />
<uses-permission android:name="android.permission.AUTHENTICATE_ACCOUNTS" />
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="24" />

View File

@ -25,9 +25,7 @@
package com.owncloud.android.lib.common;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
@ -46,193 +44,192 @@ import com.owncloud.android.lib.common.utils.Log_OC;
/**
* Implementation of {@link OwnCloudClientManager}
*
* <p>
* TODO check multithreading safety
*
*
* @author David A. Velasco
* @author masensio
*/
public class SingleSessionManager implements OwnCloudClientManager {
private static final String TAG = SingleSessionManager.class.getSimpleName();
private static final String TAG = SingleSessionManager.class.getSimpleName();
private ConcurrentMap<String, OwnCloudClient> mClientsWithKnownUsername =
new ConcurrentHashMap<String, OwnCloudClient>();
new ConcurrentHashMap<String, OwnCloudClient>();
private ConcurrentMap<String, OwnCloudClient> mClientsWithUnknownUsername =
new ConcurrentHashMap<String, OwnCloudClient>();
new ConcurrentHashMap<String, OwnCloudClient>();
@Override
public OwnCloudClient getClientFor(OwnCloudAccount account, Context context)
throws AccountNotFoundException, OperationCanceledException, AuthenticatorException,
IOException {
throws AccountNotFoundException, OperationCanceledException, AuthenticatorException,
IOException {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "getClientFor starting ");
}
if (account == null) {
throw new IllegalArgumentException("Cannot get an OwnCloudClient for a null account");
}
if (account == null) {
throw new IllegalArgumentException("Cannot get an OwnCloudClient for a null account");
}
OwnCloudClient client = null;
String accountName = account.getName();
String sessionName = account.getCredentials() == null ? "" :
AccountUtils.buildAccountName (
OwnCloudClient client = null;
String accountName = account.getName();
String sessionName = account.getCredentials() == null ? "" :
AccountUtils.buildAccountName(
account.getBaseUri(),
account.getCredentials().getAuthToken()
)
;
);
if (accountName != null) {
client = mClientsWithKnownUsername.get(accountName);
}
boolean reusingKnown = false; // just for logs
if (client == null) {
if (accountName != null) {
client = mClientsWithUnknownUsername.remove(sessionName);
if (client != null) {
if (accountName != null) {
client = mClientsWithKnownUsername.get(accountName);
}
boolean reusingKnown = false; // just for logs
if (client == null) {
if (accountName != null) {
client = mClientsWithUnknownUsername.remove(sessionName);
if (client != null) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "reusing client for session " + sessionName);
}
mClientsWithKnownUsername.put(accountName, client);
mClientsWithKnownUsername.put(accountName, client);
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "moved client to account " + accountName);
}
}
} else {
client = mClientsWithUnknownUsername.get(sessionName);
}
} else {
}
} else {
client = mClientsWithUnknownUsername.get(sessionName);
}
} else {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "reusing client for account " + accountName);
}
reusingKnown = true;
}
if (client == null) {
// no client to reuse - create a new one
client = OwnCloudClientFactory.createOwnCloudClient(
account.getBaseUri(),
context.getApplicationContext(),
true); // TODO remove dependency on OwnCloudClientFactory
reusingKnown = true;
}
if (client == null) {
// no client to reuse - create a new one
client = OwnCloudClientFactory.createOwnCloudClient(
account.getBaseUri(),
context.getApplicationContext(),
true); // TODO remove dependency on OwnCloudClientFactory
client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
// enable cookie tracking
AccountUtils.restoreCookies(accountName, client, context);
// enable cookie tracking
AccountUtils.restoreCookies(account.getSavedAccount(), client, context);
account.loadCredentials(context);
client.setCredentials(account.getCredentials());
if (accountName != null) {
mClientsWithKnownUsername.put(accountName, client);
client.setCredentials(account.getCredentials());
if (accountName != null) {
mClientsWithKnownUsername.put(accountName, client);
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "new client for account " + accountName);
}
} else {
mClientsWithUnknownUsername.put(sessionName, client);
} else {
mClientsWithUnknownUsername.put(sessionName, client);
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "new client for session " + sessionName);
}
}
} else {
if (!reusingKnown && Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "reusing client for session " + sessionName);
}
keepCredentialsUpdated(account, client);
keepUriUpdated(account, client);
}
}
} else {
if (!reusingKnown && Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "reusing client for session " + sessionName);
}
keepCredentialsUpdated(account, client);
keepUriUpdated(account, client);
}
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "getClientFor finishing ");
}
return client;
return client;
}
@Override
public OwnCloudClient removeClientFor(OwnCloudAccount account) {
@Override
public OwnCloudClient removeClientFor(OwnCloudAccount account) {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "removeClientFor starting ");
}
if (account == null) {
return null;
}
if (account == null) {
return null;
}
OwnCloudClient client = null;
String accountName = account.getName();
if (accountName != null) {
client = mClientsWithKnownUsername.remove(accountName);
if (client != null) {
OwnCloudClient client;
String accountName = account.getName();
if (accountName != null) {
client = mClientsWithKnownUsername.remove(accountName);
if (client != null) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "Removed client for account " + accountName);
}
return client;
} else {
return client;
} else {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log_OC.v(TAG, "No client tracked for account " + accountName);
}
}
}
}
}
mClientsWithUnknownUsername.clear();
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "removeClientFor finishing ");
}
return null;
}
return null;
}
@Override
public void saveAllClients(Context context, String accountType)
throws AccountNotFoundException, AuthenticatorException, IOException,
OperationCanceledException {
throws AccountNotFoundException, AuthenticatorException, IOException,
OperationCanceledException {
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "Saving sessions... ");
}
Iterator<String> accountNames = mClientsWithKnownUsername.keySet().iterator();
String accountName = null;
Account account = null;
while (accountNames.hasNext()) {
accountName = accountNames.next();
account = new Account(accountName, accountType);
AccountUtils.saveClient(
mClientsWithKnownUsername.get(accountName),
account,
context);
}
Iterator<String> accountNames = mClientsWithKnownUsername.keySet().iterator();
String accountName;
Account account;
while (accountNames.hasNext()) {
accountName = accountNames.next();
account = new Account(accountName, accountType);
AccountUtils.saveClient(
mClientsWithKnownUsername.get(accountName),
account,
context);
}
if (Log.isLoggable(TAG, Log.DEBUG)) {
Log_OC.d(TAG, "All sessions saved");
}
}
private void keepCredentialsUpdated(OwnCloudAccount account, OwnCloudClient reusedClient) {
OwnCloudCredentials recentCredentials = account.getCredentials();
if (recentCredentials != null && !recentCredentials.getAuthToken().equals(
reusedClient.getCredentials().getAuthToken())) {
reusedClient.setCredentials(recentCredentials);
}
}
// this method is just a patch; we need to distinguish accounts in the same host but
// different paths; but that requires updating the accountNames for apps upgrading
private void keepUriUpdated(OwnCloudAccount account, OwnCloudClient reusedClient) {
Uri recentUri = account.getBaseUri();
if (!recentUri.equals(reusedClient.getBaseUri())) {
reusedClient.setBaseUri(recentUri);
}
}
private void keepCredentialsUpdated(OwnCloudAccount account, OwnCloudClient reusedClient) {
OwnCloudCredentials recentCredentials = account.getCredentials();
if (recentCredentials != null && !recentCredentials.getAuthToken().equals(
reusedClient.getCredentials().getAuthToken())) {
reusedClient.setCredentials(recentCredentials);
}
}
// this method is just a patch; we need to distinguish accounts in the same host but
// different paths; but that requires updating the accountNames for apps upgrading
private void keepUriUpdated(OwnCloudAccount account, OwnCloudClient reusedClient) {
Uri recentUri = account.getBaseUri();
if (!recentUri.equals(reusedClient.getBaseUri())) {
reusedClient.setBaseUri(recentUri);
}
}
}

View File

@ -282,68 +282,43 @@ public class AccountUtils {
/**
* Restore the client cookies
* Restore the client cookies persisted in an account stored in the system AccountManager.
*
* @param account
* @param client
* @param context
* @param account Stored account.
* @param client Client to restore cookies in.
* @param context Android context used to access the system AccountManager.
*/
public static void restoreCookies(Account account, OwnCloudClient client, Context context) {
if (account == null) {
Log_OC.d(TAG, "Cannot restore cookie for null account");
Log_OC.d(TAG, "Restoring cookies for " + account.name);
} else {
Log_OC.d(TAG, "Restoring cookies for " + account.name);
// Account Manager
AccountManager am = AccountManager.get(context.getApplicationContext());
// Account Manager
AccountManager am = AccountManager.get(context.getApplicationContext());
Uri serverUri = (client.getBaseUri() != null) ? client.getBaseUri() : client.getWebdavUri();
Uri serverUri = (client.getBaseUri() != null) ? client.getBaseUri() : client.getWebdavUri();
String cookiesString = am.getUserData(account, Constants.KEY_COOKIES);
if (cookiesString != null) {
String[] cookies = cookiesString.split(";");
if (cookies.length > 0) {
for (int i = 0; i < cookies.length; i++) {
Cookie cookie = new Cookie();
int equalPos = cookies[i].indexOf('=');
cookie.setName(cookies[i].substring(0, equalPos));
cookie.setValue(cookies[i].substring(equalPos + 1));
cookie.setDomain(serverUri.getHost()); // VERY IMPORTANT
cookie.setPath(serverUri.getPath()); // VERY IMPORTANT
String cookiesString = am.getUserData(account, Constants.KEY_COOKIES);
if (cookiesString != null) {
String[] cookies = cookiesString.split(";");
if (cookies.length > 0) {
for (int i = 0; i < cookies.length; i++) {
Cookie cookie = new Cookie();
int equalPos = cookies[i].indexOf('=');
cookie.setName(cookies[i].substring(0, equalPos));
cookie.setValue(cookies[i].substring(equalPos + 1));
cookie.setDomain(serverUri.getHost()); // VERY IMPORTANT
cookie.setPath(serverUri.getPath()); // VERY IMPORTANT
client.getState().addCookie(cookie);
client.getState().addCookie(cookie);
}
}
}
}
}
/**
* Restore the client cookies from accountName
*
* @param accountName
* @param client
* @param context
*/
public static void restoreCookies(String accountName, OwnCloudClient client, Context context) {
Log_OC.d(TAG, "Restoring cookies for " + accountName);
// Account Manager
AccountManager am = AccountManager.get(context.getApplicationContext());
// Get account
Account account = null;
Account accounts[] = am.getAccounts();
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
break;
}
}
// Restoring cookies
if (account != null) {
restoreCookies(account, client, context);
}
}
public static class AccountNotFoundException extends AccountsException {
/**
@ -368,7 +343,7 @@ public class AccountUtils {
/**
* Value under this key should handle path to webdav php script. Will be
* removed and usage should be replaced by combining
* {@link com.owncloud.android.authentication.AuthenticatorActivity.KEY_OC_BASE_URL} and
* {@link #KEY_OC_BASE_URL } and
* {@link com.owncloud.android.lib.resources.status.OwnCloudVersion}
*
* @deprecated