AuthenticatorActivity updated to test existance through SAML-based-federated-authenticated entry point

res/values/setup.xml

@@ -5,6 +5,6 @@
     
     <!-- Flags to setup the authentication methods available in the app -->
     <string name="auth_method_oauth2">off</string>
-    <string name="auth_method_saml_web_sso">off</string>
+    <string name="auth_method_saml_web_sso">on</string>
     
 </resources>

src/com/owncloud/android/authentication/AccountUtils.java

@@ -32,6 +32,7 @@ public class AccountUtils {
     public static final String WEBDAV_PATH_2_0 = "/files/webdav.php";
     public static final String WEBDAV_PATH_4_0 = "/remote.php/webdav";
     private static final String ODAV_PATH = "/remote.php/odav";
+    private static final String SAML_SSO_PATH = "/ocShibAuth";
     public static final String CARDDAV_PATH_2_0 = "/apps/contacts/carddav.php";
     public static final String CARDDAV_PATH_4_0 = "/remote/carddav.php";
     public static final String STATUS_PATH = "/status.php";
@@ -115,11 +116,41 @@ public class AccountUtils {
      * @param version version of owncloud
      * @return webdav path for given OC version, null if OC version unknown
      */
-    public static String getWebdavPath(OwnCloudVersion version, boolean supportsOAuth) {
+    public static String getWebdavPath(OwnCloudVersion version, boolean supportsOAuth, boolean supportsSamlSso) {
         if (version != null) {
             if (supportsOAuth) {
                 return ODAV_PATH;
             }
+            if (supportsSamlSso) {
+                return SAML_SSO_PATH;
+            }
+            if (version.compareTo(OwnCloudVersion.owncloud_v4) >= 0)
+                return WEBDAV_PATH_4_0;
+            if (version.compareTo(OwnCloudVersion.owncloud_v3) >= 0
+                    || version.compareTo(OwnCloudVersion.owncloud_v2) >= 0)
+                return WEBDAV_PATH_2_0;
+            if (version.compareTo(OwnCloudVersion.owncloud_v1) >= 0)
+                return WEBDAV_PATH_1_2;
+        }
+        return null;
+    }
+    
+    /**
+     * Returns the proper URL path to access the WebDAV interface of an ownCloud server,
+     * according to its version and the authorization method used.
+     * 
+     * @param   version         Version of ownCloud server.
+     * @param   authTokenType   Authorization token type, matching some of the AUTH_TOKEN_TYPE_* constants in {@link AccountAuthenticator}. 
+     * @return                  WebDAV path for given OC version and authorization method, null if OC version is unknown.
+     */
+    public static String getWebdavPath(OwnCloudVersion version, String authTokenType) {
+        if (version != null) {
+            if (AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(authTokenType)) {
+                return ODAV_PATH;
+            }
+            if (AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(authTokenType)) {
+                return SAML_SSO_PATH;
+            }
             if (version.compareTo(OwnCloudVersion.owncloud_v4) >= 0)
                 return WEBDAV_PATH_4_0;
             if (version.compareTo(OwnCloudVersion.owncloud_v3) >= 0
@@ -143,8 +174,9 @@ public class AccountUtils {
         String baseurl = ama.getUserData(account, AccountAuthenticator.KEY_OC_BASE_URL);
         String strver  = ama.getUserData(account, AccountAuthenticator.KEY_OC_VERSION);
         boolean supportsOAuth = (ama.getUserData(account, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
+        boolean supportsSamlSso = (ama.getUserData(account, AccountAuthenticator.KEY_SUPPORTS_SAML_WEB_SSO) != null);
         OwnCloudVersion ver = new OwnCloudVersion(strver);
-        String webdavpath = getWebdavPath(ver, supportsOAuth);
+        String webdavpath = getWebdavPath(ver, supportsOAuth, supportsSamlSso);
 
         if (baseurl == null || webdavpath == null) 
             throw new AccountNotFoundException(account, "Account not found", null);

src/com/owncloud/android/authentication/AuthenticatorActivity.java

@@ -96,7 +96,6 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     private static final String KEY_SERVER_STATUS_ICON = "SERVER_STATUS_ICON";
     private static final String KEY_IS_SSL_CONN = "IS_SSL_CONN";
     private static final String KEY_PASSWORD_VISIBLE = "PASSWORD_VISIBLE";
-    private static final String KEY_AUTH_METHOD = "AUTH_METHOD";
     private static final String KEY_AUTH_STATUS_TEXT = "AUTH_STATUS_TEXT";
     private static final String KEY_AUTH_STATUS_ICON = "AUTH_STATUS_ICON";
     private static final String KEY_REFRESH_BUTTON_ENABLED = "KEY_REFRESH_BUTTON_ENABLED";
@@ -105,10 +104,6 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     private static final String AUTH_OFF = "off";
     private static final String AUTH_OPTIONAL = "optional";
     
-    private static final int AUTH_METHOD_BASIC_HTTP = 0;
-    private static final int AUTH_METHOD_OAUTH2 = 1;
-    private static final int AUTH_METHOD_SAML_WEB_SSO = 2;
-
     private static final int DIALOG_LOGIN_PROGRESS = 0;
     private static final int DIALOG_SSL_VALIDATOR = 1;
     private static final int DIALOG_CERT_NOT_SAVED = 2;
@@ -142,7 +137,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     private boolean mHostUrlInputEnabled;
     private View mRefreshButton;
 
-    private int mCurrentAuthorizationMethod;  
+    private String mCurrentAuthTokenType;
     
     private EditText mUsernameInput;
     private EditText mPasswordInput;
@@ -230,7 +225,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
                 mHostUrlInput.setText(mHostBaseUrl);
             }
             initAuthorizationMethod();  // checks intent and setup.xml to determine mCurrentAuthorizationMethod
-            mOAuth2Check.setChecked(mCurrentAuthorizationMethod == AUTH_METHOD_OAUTH2);
+            mOAuth2Check.setChecked(mCurrentAuthTokenType == AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN);
             mJustCreated = true;
             
             if (mAction == ACTION_UPDATE_TOKEN || !mHostUrlInputEnabled) {
@@ -259,7 +254,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
 
             // account data, if updating
             mAccount = savedInstanceState.getParcelable(KEY_ACCOUNT);
-            mCurrentAuthorizationMethod = savedInstanceState.getInt(KEY_AUTH_METHOD, AUTH_METHOD_BASIC_HTTP);
+            mCurrentAuthTokenType = savedInstanceState.getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD);
 
             // check if server check was interrupted by a configuration change
             if (savedInstanceState.getBoolean(KEY_SERVER_CHECK_IN_PROGRESS, false)) {
@@ -289,7 +284,8 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         if (mServerIsChecked && !mServerIsValid && refreshButtonEnabled) showRefreshButton();
         mOkButton.setEnabled(mServerIsValid); // state not automatically recovered in configuration changes
 
-        if (mCurrentAuthorizationMethod == AUTH_METHOD_SAML_WEB_SSO || !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
+        if (mCurrentAuthTokenType == AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE || 
+                !AUTH_OPTIONAL.equals(getString(R.string.auth_method_oauth2))) {
             mOAuth2Check.setVisibility(View.GONE);
         }
 
@@ -331,33 +327,31 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         boolean oAuthRequired = false;
         boolean samlWebSsoRequired = false;
 
-        String tokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
+        mCurrentAuthTokenType = getIntent().getExtras().getString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE);
         mAccount = getIntent().getExtras().getParcelable(EXTRA_ACCOUNT);
         
-        if (tokenType != null) {
-            /// use the authentication method requested by caller 
-            oAuthRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(tokenType);
-            samlWebSsoRequired = AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(tokenType);
-            
-        } else if (mAccount != null) {
-            /// same authentication method than the one used to create the account to update
-            oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
-            samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_SAML_WEB_SSO) != null);
-            
-        } else {
-            /// use the one set in setup.xml
-            oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
-            samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));            
-        }
+        // TODO could be a good moment to validate the received token type, if not null
         
-        if (oAuthRequired) {
-            mCurrentAuthorizationMethod = AUTH_METHOD_OAUTH2; 
-        } else if (samlWebSsoRequired) {
-            mCurrentAuthorizationMethod = AUTH_METHOD_SAML_WEB_SSO;
-        } else {
-            mCurrentAuthorizationMethod = AUTH_METHOD_BASIC_HTTP;
+        if (mCurrentAuthTokenType == null) {    
+            if (mAccount != null) {
+                /// same authentication method than the one used to create the account to update
+                oAuthRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_OAUTH2) != null);
+                samlWebSsoRequired = (mAccountMgr.getUserData(mAccount, AccountAuthenticator.KEY_SUPPORTS_SAML_WEB_SSO) != null);
+            
+            } else {
+                /// use the one set in setup.xml
+                oAuthRequired = AUTH_ON.equals(getString(R.string.auth_method_oauth2));
+                samlWebSsoRequired = AUTH_ON.equals(getString(R.string.auth_method_saml_web_sso));            
+            }
+            if (oAuthRequired) {
+                mCurrentAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN;
+            } else if (samlWebSsoRequired) {
+                mCurrentAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE;
+            } else {
+                mCurrentAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD;
+            }
         }
-
+    
         if (mAccount != null) {
             String userName = mAccount.name.substring(0, mAccount.name.lastIndexOf('@'));
             mUsernameInput.setText(userName);
@@ -397,7 +391,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
         if (mAccount != null) {
             outState.putParcelable(KEY_ACCOUNT, mAccount);
         }
-        outState.putInt(KEY_AUTH_METHOD, mCurrentAuthorizationMethod);
+        outState.putString(AccountAuthenticator.KEY_AUTH_TOKEN_TYPE, mCurrentAuthTokenType);
         
         // refresh button enabled
         outState.putBoolean(KEY_REFRESH_BUTTON_ENABLED, (mRefreshButton.getVisibility() == View.VISIBLE));
@@ -626,9 +620,10 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
             return;
         }
 
-        if (mOAuth2Check.isChecked()) {
+        if (AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(mCurrentAuthTokenType)) {
             startOauthorization();
-
+        } else if (AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(mCurrentAuthTokenType)) { 
+            startSamlBasedFederatedSingleSignOnAuthorization();
         } else {
             checkBasicAuthorization();
         }
@@ -641,7 +636,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
      */
     private void checkBasicAuthorization() {
         /// get the path to the root folder through WebDAV from the version server
-        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, false);
+        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType);
 
         /// get basic credentials entered by user
         String username = mUsernameInput.getText().toString();
@@ -684,6 +679,20 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     }
 
 
+    /**
+     * Starts the Web Single Sign On flow to get access to the root folder
+     * in the server.
+     */
+    private void startSamlBasedFederatedSingleSignOnAuthorization() {
+        /// get the path to the root folder through WebDAV from the version server
+        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType);
+
+        /// test credentials accessing the root folder
+        mAuthCheckOperation = new  ExistenceCheckOperation("", this, false);
+        WebdavClient client = OwnCloudClientUtils.createOwnCloudClient(Uri.parse(mHostBaseUrl + webdav_path), this);
+        mOperationThread = mAuthCheckOperation.execute(client, this, mHandler);
+    }
+
     /**
      * Callback method invoked when a RemoteOperation executed by this Activity finishes.
      * 
@@ -699,8 +708,12 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
             onGetOAuthAccessTokenFinish((OAuth2GetAccessToken)operation, result);
 
         } else if (operation instanceof ExistenceCheckOperation)  {
-            onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
-
+            if (AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(mCurrentAuthTokenType)) {
+                Toast.makeText(this, result.getLogMessage(), Toast.LENGTH_LONG).show();
+                
+            } else {
+                onAuthorizationCheckFinish((ExistenceCheckOperation)operation, result);
+            }
         }
     }
 
@@ -952,7 +965,7 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
             // NOTHING TO DO ; can't find out what situation that leads to the exception in this code, but user logs signal that it happens
         }
 
-        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, true);
+        String webdav_path = AccountUtils.getWebdavPath(mDiscoveredVersion, mCurrentAuthTokenType);
         if (result.isSuccess() && webdav_path != null) {
             /// be gentle with the user
             showDialog(DIALOG_LOGIN_PROGRESS);
@@ -1305,9 +1318,9 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
     public void onCheckClick(View view) {
         CheckBox oAuth2Check = (CheckBox)view;
         if (oAuth2Check.isChecked()) {
-            mCurrentAuthorizationMethod = AUTH_METHOD_OAUTH2;
+            mCurrentAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN;
         } else {
-            mCurrentAuthorizationMethod = AUTH_METHOD_BASIC_HTTP;
+            mCurrentAuthTokenType = AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD;
         }
         adaptViewAccordingToAuthenticationMethod();
     }
@@ -1318,37 +1331,33 @@ implements  OnRemoteOperationListener, OnSslValidatorListener, OnFocusChangeList
      * the current authorization method.
      */
     private void adaptViewAccordingToAuthenticationMethod () {
-        switch (mCurrentAuthorizationMethod) { 
-            case AUTH_METHOD_OAUTH2:
-                // OAuth 2 authorization
-                mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
-                mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
-                mUsernameInput.setVisibility(View.GONE);
-                mPasswordInput.setVisibility(View.GONE);
-                mAccountNameInput.setVisibility(View.GONE);
-                mWebSsoView.setVisibility(View.GONE);
-                break;
-                
-            case AUTH_METHOD_SAML_WEB_SSO:
-                // SAML-based web Single Sign On
-                mOAuthAuthEndpointText.setVisibility(View.GONE);
-                mOAuthTokenEndpointText.setVisibility(View.GONE);
-                mUsernameInput.setVisibility(View.GONE);
-                mPasswordInput.setVisibility(View.GONE);
-                mAccountNameInput.setVisibility(View.VISIBLE);
-                mWebSsoView.setVisibility(View.VISIBLE);
-                break;
-                
-            case AUTH_METHOD_BASIC_HTTP:
-            default:
-                // basic HTTP authorization
-                mOAuthAuthEndpointText.setVisibility(View.GONE);
-                mOAuthTokenEndpointText.setVisibility(View.GONE);
-                mUsernameInput.setVisibility(View.VISIBLE);
-                mPasswordInput.setVisibility(View.VISIBLE);
-                mAccountNameInput.setVisibility(View.GONE);
-                mWebSsoView.setVisibility(View.GONE);
-            }
+        if (AccountAuthenticator.AUTH_TOKEN_TYPE_ACCESS_TOKEN.equals(mCurrentAuthTokenType)) {
+            // OAuth 2 authorization
+            mOAuthAuthEndpointText.setVisibility(View.VISIBLE);
+            mOAuthTokenEndpointText.setVisibility(View.VISIBLE);
+            mUsernameInput.setVisibility(View.GONE);
+            mPasswordInput.setVisibility(View.GONE);
+            mAccountNameInput.setVisibility(View.GONE);
+            mWebSsoView.setVisibility(View.GONE);
+            
+        } else if (AccountAuthenticator.AUTH_TOKEN_TYPE_SAML_WEB_SSO_SESSION_COOKIE.equals(mCurrentAuthTokenType)) {
+            // SAML-based web Single Sign On
+            mOAuthAuthEndpointText.setVisibility(View.GONE);
+            mOAuthTokenEndpointText.setVisibility(View.GONE);
+            mUsernameInput.setVisibility(View.GONE);
+            mPasswordInput.setVisibility(View.GONE);
+            mAccountNameInput.setVisibility(View.VISIBLE);
+            mWebSsoView.setVisibility(View.VISIBLE);
+            
+        } else {
+            // basic HTTP authorization
+            mOAuthAuthEndpointText.setVisibility(View.GONE);
+            mOAuthTokenEndpointText.setVisibility(View.GONE);
+            mUsernameInput.setVisibility(View.VISIBLE);
+            mPasswordInput.setVisibility(View.VISIBLE);
+            mAccountNameInput.setVisibility(View.GONE);
+            mWebSsoView.setVisibility(View.GONE);
+        }
     }
     
     /**

src/com/owncloud/android/ui/activity/AccountSelectActivity.java

@@ -50,6 +50,7 @@ import com.actionbarsherlock.view.MenuItem;
 import com.owncloud.android.authentication.AccountAuthenticator;
 import com.owncloud.android.authentication.AuthenticatorActivity;
 import com.owncloud.android.authentication.AccountUtils;
+import com.owncloud.android.ui.activity.FileActivity.AccountCreationCallback;
 import com.owncloud.android.Log_OC;
 
 import com.owncloud.android.R;
@@ -133,11 +134,20 @@ public class AccountSelectActivity extends SherlockListActivity implements
     @Override
     public boolean onMenuItemSelected(int featureId, MenuItem item) {
         if (item.getItemId() == R.id.createAccount) {
-            Intent intent = new Intent(
+            /*Intent intent = new Intent(
                     android.provider.Settings.ACTION_ADD_ACCOUNT);
             intent.putExtra("authorities",
                     new String[] { AccountAuthenticator.AUTHORITY });
-            startActivity(intent);
+            startActivity(intent);*/
+            AccountManager am = AccountManager.get(getApplicationContext());
+            am.addAccount(AccountAuthenticator.ACCOUNT_TYPE, 
+                            null,
+                            null, 
+                            null, 
+                            this, 
+                            null,                        
+                            null);
+            
             return true;
         }
         return false;

src/com/owncloud/android/ui/activity/FileActivity.java

@@ -174,7 +174,7 @@ public abstract class FileActivity extends SherlockFragmentActivity {
     private void createFirstAccount() {
         AccountManager am = AccountManager.get(getApplicationContext());
         am.addAccount(AccountAuthenticator.ACCOUNT_TYPE, 
-                        AccountAuthenticator.AUTH_TOKEN_TYPE_PASSWORD,
+                        null,
                         null, 
                         null, 
                         this,