src/com/owncloud/android/operations/RemoteOperationResult.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License version 2,
   7  *   as published by the Free Software Foundation.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.operations;
  20
  21 import java.io.IOException;
  22 import java.io.Serializable;
  23 import java.net.MalformedURLException;
  24 import java.net.SocketException;
  25 import java.net.SocketTimeoutException;
  26 import java.net.UnknownHostException;
  27
  28 import javax.net.ssl.SSLException;
  29
  30 import org.apache.commons.httpclient.ConnectTimeoutException;
  31 import org.apache.commons.httpclient.Header;
  32 import org.apache.commons.httpclient.HttpException;
  33 import org.apache.commons.httpclient.HttpStatus;
  34 import org.apache.jackrabbit.webdav.DavException;
  35
  36 import android.accounts.Account;
  37 import android.accounts.AccountsException;
  38
  39 import com.owncloud.android.Log_OC;
  40 import com.owncloud.android.authentication.AccountUtils.AccountNotFoundException;
  41 import com.owncloud.android.network.CertificateCombinedException;
  42
  43 /**
  44  * The result of a remote operation required to an ownCloud server.
  45  *
  46  * Provides a common classification of remote operation results for all the
  47  * application.
  48  *
  49  * @author David A. Velasco
  50  */
  51 public class RemoteOperationResult implements Serializable {
  52
  53     /** Generated - should be refreshed every time the class changes!! */
  54     private static final long serialVersionUID = -4415103901492836870L;
  55
  56
  57     private static final String TAG = "RemoteOperationResult";
  58
  59     public enum ResultCode {
  60         OK,
  61         OK_SSL,
  62         OK_NO_SSL,
  63         OK_NO_CHANGES_ON_DIR,
  64         UNHANDLED_HTTP_CODE,
  65         UNAUTHORIZED,
  66         FILE_NOT_FOUND,
  67         INSTANCE_NOT_CONFIGURED,
  68         UNKNOWN_ERROR,
  69         WRONG_CONNECTION,
  70         TIMEOUT,
  71         INCORRECT_ADDRESS,
  72         HOST_NOT_AVAILABLE,
  73         NO_NETWORK_CONNECTION,
  74         SSL_ERROR,
  75         SSL_RECOVERABLE_PEER_UNVERIFIED,
  76         BAD_OC_VERSION,
  77         CANCELLED,
  78         INVALID_LOCAL_FILE_NAME,
  79         INVALID_OVERWRITE,
  80         CONFLICT,
  81         OAUTH2_ERROR,
  82         SYNC_CONFLICT,
  83         LOCAL_STORAGE_FULL,
  84         LOCAL_STORAGE_NOT_MOVED,
  85         LOCAL_STORAGE_NOT_COPIED,
  86         OAUTH2_ERROR_ACCESS_DENIED,
  87         QUOTA_EXCEEDED,
  88         ACCOUNT_NOT_FOUND,
  89         ACCOUNT_EXCEPTION,
  90         ACCOUNT_NOT_NEW,
  91         ACCOUNT_NOT_THE_SAME
  92     }
  93
  94     private boolean mSuccess = false;
  95     private int mHttpCode = -1;
  96     private Exception mException = null;
  97     private ResultCode mCode = ResultCode.UNKNOWN_ERROR;
  98     private String mRedirectedLocation;
  99
 100     public RemoteOperationResult(ResultCode code) {
 101         mCode = code;
 102         mSuccess = (code == ResultCode.OK || code == ResultCode.OK_SSL || code == ResultCode.OK_NO_SSL || code == ResultCode.OK_NO_CHANGES_ON_DIR);
 103     }
 104
 105     private RemoteOperationResult(boolean success, int httpCode) {
 106         mSuccess = success;
 107         mHttpCode = httpCode;
 108
 109         if (success) {
 110             mCode = ResultCode.OK;
 111
 112         } else if (httpCode > 0) {
 113             switch (httpCode) {
 114             case HttpStatus.SC_UNAUTHORIZED:
 115                 mCode = ResultCode.UNAUTHORIZED;
 116                 break;
 117             case HttpStatus.SC_NOT_FOUND:
 118                 mCode = ResultCode.FILE_NOT_FOUND;
 119                 break;
 120             case HttpStatus.SC_INTERNAL_SERVER_ERROR:
 121                 mCode = ResultCode.INSTANCE_NOT_CONFIGURED;
 122                 break;
 123             case HttpStatus.SC_CONFLICT:
 124                 mCode = ResultCode.CONFLICT;
 125                 break;
 126             case HttpStatus.SC_INSUFFICIENT_STORAGE:
 127                 mCode = ResultCode.QUOTA_EXCEEDED;
 128                 break;
 129             default:
 130                 mCode = ResultCode.UNHANDLED_HTTP_CODE;
 131                 Log_OC.d(TAG, "RemoteOperationResult has processed UNHANDLED_HTTP_CODE: " + httpCode);
 132             }
 133         }
 134     }
 135
 136     public RemoteOperationResult(boolean success, int httpCode, Header[] headers) {
 137         this(success, httpCode);
 138         if (headers != null) {
 139             Header current;
 140             for (int i=0; i<headers.length; i++) {
 141                 current = headers[i];
 142                 if ("Location".equals(current.getName())) {
 143                     mRedirectedLocation = current.getValue();
 144                     break;
 145                 }
 146             }
 147         }
 148     }
 149
 150     public RemoteOperationResult(Exception e) {
 151         mException = e;
 152
 153         if (e instanceof OperationCancelledException) {
 154             mCode = ResultCode.CANCELLED;
 155
 156         } else if (e instanceof SocketException) {
 157             mCode = ResultCode.WRONG_CONNECTION;
 158
 159         } else if (e instanceof SocketTimeoutException) {
 160             mCode = ResultCode.TIMEOUT;
 161
 162         } else if (e instanceof ConnectTimeoutException) {
 163             mCode = ResultCode.TIMEOUT;
 164
 165         } else if (e instanceof MalformedURLException) {
 166             mCode = ResultCode.INCORRECT_ADDRESS;
 167
 168         } else if (e instanceof UnknownHostException) {
 169             mCode = ResultCode.HOST_NOT_AVAILABLE;
 170
 171         } else if (e instanceof AccountNotFoundException) {
 172             mCode = ResultCode.ACCOUNT_NOT_FOUND;
 173
 174         } else if (e instanceof AccountsException) {
 175             mCode = ResultCode.ACCOUNT_EXCEPTION;
 176
 177         } else if (e instanceof SSLException || e instanceof RuntimeException) {
 178             CertificateCombinedException se = getCertificateCombinedException(e);
 179             if (se != null) {
 180                 mException = se;
 181                 if (se.isRecoverable()) {
 182                     mCode = ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED;
 183                 }
 184             } else if (e instanceof RuntimeException) {
 185                 mCode = ResultCode.HOST_NOT_AVAILABLE;
 186
 187             } else {
 188                 mCode = ResultCode.SSL_ERROR;
 189             }
 190
 191         } else {
 192             mCode = ResultCode.UNKNOWN_ERROR;
 193         }
 194
 195     }
 196
 197     public boolean isSuccess() {
 198         return mSuccess;
 199     }
 200
 201     public boolean isCancelled() {
 202         return mCode == ResultCode.CANCELLED;
 203     }
 204
 205     public int getHttpCode() {
 206         return mHttpCode;
 207     }
 208
 209     public ResultCode getCode() {
 210         return mCode;
 211     }
 212
 213     public Exception getException() {
 214         return mException;
 215     }
 216
 217     public boolean isSslRecoverableException() {
 218         return mCode == ResultCode.SSL_RECOVERABLE_PEER_UNVERIFIED;
 219     }
 220
 221     private CertificateCombinedException getCertificateCombinedException(Exception e) {
 222         CertificateCombinedException result = null;
 223         if (e instanceof CertificateCombinedException) {
 224             return (CertificateCombinedException) e;
 225         }
 226         Throwable cause = mException.getCause();
 227         Throwable previousCause = null;
 228         while (cause != null && cause != previousCause && !(cause instanceof CertificateCombinedException)) {
 229             previousCause = cause;
 230             cause = cause.getCause();
 231         }
 232         if (cause != null && cause instanceof CertificateCombinedException) {
 233             result = (CertificateCombinedException) cause;
 234         }
 235         return result;
 236     }
 237
 238     public String getLogMessage() {
 239
 240         if (mException != null) {
 241             if (mException instanceof OperationCancelledException) {
 242                 return "Operation cancelled by the caller";
 243
 244             } else if (mException instanceof SocketException) {
 245                 return "Socket exception";
 246
 247             } else if (mException instanceof SocketTimeoutException) {
 248                 return "Socket timeout exception";
 249
 250             } else if (mException instanceof ConnectTimeoutException) {
 251                 return "Connect timeout exception";
 252
 253             } else if (mException instanceof MalformedURLException) {
 254                 return "Malformed URL exception";
 255
 256             } else if (mException instanceof UnknownHostException) {
 257                 return "Unknown host exception";
 258
 259             } else if (mException instanceof CertificateCombinedException) {
 260                 if (((CertificateCombinedException) mException).isRecoverable())
 261                     return "SSL recoverable exception";
 262                 else
 263                     return "SSL exception";
 264
 265             } else if (mException instanceof SSLException) {
 266                 return "SSL exception";
 267
 268             } else if (mException instanceof DavException) {
 269                 return "Unexpected WebDAV exception";
 270
 271             } else if (mException instanceof HttpException) {
 272                 return "HTTP violation";
 273
 274             } else if (mException instanceof IOException) {
 275                 return "Unrecovered transport exception";
 276
 277             } else if (mException instanceof AccountNotFoundException) {
 278                 Account failedAccount = ((AccountNotFoundException)mException).getFailedAccount();
 279                 return mException.getMessage() + " (" + (failedAccount != null ? failedAccount.name : "NULL") + ")";
 280
 281             } else if (mException instanceof AccountsException) {
 282                 return "Exception while using account";
 283
 284             } else {
 285                 return "Unexpected exception";
 286             }
 287         }
 288
 289         if (mCode == ResultCode.INSTANCE_NOT_CONFIGURED) {
 290             return "The ownCloud server is not configured!";
 291
 292         } else if (mCode == ResultCode.NO_NETWORK_CONNECTION) {
 293             return "No network connection";
 294
 295         } else if (mCode == ResultCode.BAD_OC_VERSION) {
 296             return "No valid ownCloud version was found at the server";
 297
 298         } else if (mCode == ResultCode.LOCAL_STORAGE_FULL) {
 299             return "Local storage full";
 300
 301         } else if (mCode == ResultCode.LOCAL_STORAGE_NOT_MOVED) {
 302             return "Error while moving file to final directory";
 303
 304         } else if (mCode == ResultCode.ACCOUNT_NOT_NEW) {
 305             return "Account already existing when creating a new one";
 306
 307         } else if (mCode == ResultCode.ACCOUNT_NOT_THE_SAME) {
 308             return "Authenticated with a different account than the one updating";
 309         }
 310
 311         return "Operation finished with HTTP status code " + mHttpCode + " (" + (isSuccess() ? "success" : "fail") + ")";
 312
 313     }
 314
 315     public boolean isServerFail() {
 316         return (mHttpCode >= HttpStatus.SC_INTERNAL_SERVER_ERROR);
 317     }
 318
 319     public boolean isException() {
 320         return (mException != null);
 321     }
 322
 323     public boolean isTemporalRedirection() {
 324         return (mHttpCode == 302 || mHttpCode == 307);
 325     }
 326
 327     public String getRedirectedLocation() {
 328         return mRedirectedLocation;
 329     }
 330
 331     public boolean isIdPRedirection() {
 332         return (mRedirectedLocation != null &&
 333                 (mRedirectedLocation.toUpperCase().contains("SAML") ||
 334                 mRedirectedLocation.toLowerCase().contains("wayf")));
 335     }
 336
 337 }