//テストコード

    //ユーザー名

    NSString *username = @"nmnmnmnm";

    //パスワード

    NSString *password = @"pwpwpwpw";

    //フォルダのURL

    NSString *fileUrl = @"https://dav.box.com/dav/";

    //Basic認証 ユーザー名とパスワードをBase64 エンコーディングする

    // username:password

    NSString* usrPass = [NSString stringWithFormat:@"%@:%@",username,password];

    NSData* poolData = [usrPass dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:NO];

    NSString* enc64Pass = [poolData base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];

    //送信内容

//    NSData *bodyStr = [[NSString stringWithFormat:

//    @"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"

//    "<D:propfind xmlns:D=\"DAV:\">"

//    "  <D:prop xmlns:R=\"%@\">"

//    "    <R:bigbox/>"

//    "    <R:author/>"

//    "    <R:DingALing/>"

//    "    <R:Random/>"

//    "  </D:prop>"

//    "</D:propfind>",fileUrl] dataUsingEncoding:NSUTF8StringEncoding];

/////

    NSData *bodyStr = [@"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"

                       "<D:propfind xmlns:D=\"DAV:\">"

                       "  <D:allprop/>"

                       "</D:propfind>" dataUsingEncoding:NSUTF8StringEncoding];

    //リクエストの生成

    NSMutableURLRequest *request = [NSMutableURLRequest

                                    requestWithURL:[NSURL URLWithString:fileUrl]

                                    cachePolicy:NSURLRequestUseProtocolCachePolicy

                                    timeoutInterval:60.0];

    [request setHTTPMethod:@"PROPFIND"];

    [request setValue:@"application/xml;  charset=\"utf-8\"" forHTTPHeaderField:@"Content-Type"];

    [request setValue:[NSString stringWithFormat:@"%ld", [bodyStr length]] forHTTPHeaderField:@"Content-Length"];

    [request setValue:[NSString stringWithFormat:@"Basic %@", enc64Pass] forHTTPHeaderField:@"Authorization"];//Basic認証ヘッダ

    [request setValue:@"infinity" forHTTPHeaderField:@"Depth"];

    [request setHTTPBody:bodyStr];

    NSHTTPURLResponse *httpResponse;

    /* HTTP リクエスト送信 */

    NSData *contents = [NSURLConnection sendSynchronousRequest:request

                                             returningResponse:&httpResponse error:nil];

    NSString *contentsString = [[NSString alloc] initWithData:contents encoding:NSUTF8StringEncoding];

    [self logPrintf:@"*****contents*****\n%@\n\n", contentsString];

    /* HTTP レスポンスヘッダ取得 */

    [self logPrintf:@"*****HTTP Header(Response)*****\n\n"];

    NSDictionary *headers = httpResponse.allHeaderFields;

    for (id key in headers) {

        [self logPrintf:@"%@: %@\n", key, [headers objectForKey:key] ];

    }