Examples with SecureFileOutputStream net.i2p.util.SecureFileOutputStream used on opensource projects

Example 46 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class ConfigParser method write.

/**
 * Write contents of Map map to the File file. Output is written
 * with one key, value pair on each line, in the format: key=value.
 * Write to a temp file in the same directory and then rename, to not corrupt
 * simultaneous accesses by the router. Except on Windows where renameTo()
 * will fail if the target exists.
 *
 * @param map
 *            A Map to write to file.
 * @param file
 *            A File to write the Map to.
 * @throws IOException
 *             if file cannot be written to.
 */
public static void write(Map<String, String> map, File file) throws IOException {
    boolean success = false;
    if (!isWindows) {
        File tmp = SecureFile.createTempFile("temp-", ".tmp", file.getAbsoluteFile().getParentFile());
        write(map, new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(tmp), "UTF-8")));
        success = tmp.renameTo(file);
        if (!success) {
            tmp.delete();
        // System.out.println("Warning: addressbook rename fail from " + tmp + " to " + file);
        }
    }
    if (!success) {
        // hmm, that didn't work, try it the old way
        write(map, new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(file), "UTF-8")));
    }
}

Example 47 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class CertUtil method saveCert.

/**
 *  Write a certificate to a file in base64 format.
 *
 *  @return success
 *  @since 0.8.2, moved from SSLEepGet in 0.9.9
 */
public static boolean saveCert(Certificate cert, File file) {
    OutputStream os = null;
    try {
        os = new SecureFileOutputStream(file);
        exportCert(cert, os);
        return true;
    } catch (CertificateEncodingException cee) {
        error("Error writing X509 Certificate " + file.getAbsolutePath(), cee);
        return false;
    } catch (IOException ioe) {
        error("Error writing X509 Certificate " + file.getAbsolutePath(), ioe);
        return false;
    } finally {
        try {
            if (os != null)
                os.close();
        } catch (IOException foo) {
        }
    }
}

Example 48 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class SingleFileNamingService method putIfAbsent.

/**
 *  @param hostname case-sensitive; caller should convert to lower case
 *  @param options if non-null, any prefixed with '=' will be appended
 *                 in subscription format
 */
@Override
public boolean putIfAbsent(String hostname, Destination d, Properties options) {
    BufferedWriter out = null;
    if (!getWriteLock())
        return false;
    try {
        if (_isClosed)
            return false;
        // simply check if present, and if not, append
        try {
            if (getKey(hostname) != null)
                return false;
        } catch (IOException ioe) {
            if (_file.exists()) {
                _log.error("Error adding " + hostname, ioe);
                return false;
            }
        // else new file
        }
        out = new BufferedWriter(new OutputStreamWriter(new SecureFileOutputStream(_file, true), "UTF-8"));
        // FIXME fails if previous last line didn't have a trailing \n
        out.write(hostname);
        out.write('=');
        out.write(d.toBase64());
        // subscription options
        if (options != null)
            writeOptions(options, out);
        out.write('\n');
        for (NamingServiceListener nsl : _listeners) {
            nsl.entryAdded(this, hostname, d, options);
        }
        return true;
    } catch (IOException ioe) {
        _log.error("Error adding " + hostname, ioe);
        return false;
    } finally {
        if (out != null)
            try {
                out.close();
            } catch (IOException e) {
            }
        releaseWriteLock();
    }
}

Example 49 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p by i2p.

the class PersistentDataStore method write.

private void write(Hash key, DatabaseEntry data) {
    if (_log.shouldLog(Log.INFO))
        _log.info("Writing key " + key);
    OutputStream fos = null;
    File dbFile = null;
    try {
        String filename = null;
        if (data.getType() == DatabaseEntry.KEY_TYPE_LEASESET)
            filename = getLeaseSetName(key);
        else if (data.getType() == DatabaseEntry.KEY_TYPE_ROUTERINFO)
            filename = getRouterInfoName(key);
        else
            throw new IOException("We don't know how to write objects of type " + data.getClass().getName());
        dbFile = new File(_dbDir, filename);
        long dataPublishDate = getPublishDate(data);
        if (dbFile.lastModified() < dataPublishDate) {
            // our filesystem is out of date, lets replace it
            fos = new SecureFileOutputStream(dbFile);
            fos = new BufferedOutputStream(fos);
            try {
                data.writeBytes(fos);
                fos.close();
                dbFile.setLastModified(dataPublishDate);
            } catch (DataFormatException dfe) {
                _log.error("Error writing out malformed object as " + key + ": " + data, dfe);
                dbFile.delete();
            }
        } else {
            // we've already written the file, no need to waste our time
            if (_log.shouldLog(Log.DEBUG))
                _log.debug("Not writing " + key.toBase64() + ", as its up to date on disk (file mod-publish=" + (dbFile.lastModified() - dataPublishDate) + ")");
        }
    } catch (IOException ioe) {
        _log.error("Error writing out the object", ioe);
    } finally {
        if (fos != null)
            try {
                fos.close();
            } catch (IOException ioe) {
            }
    }
}

Example 50 with SecureFileOutputStream

use of net.i2p.util.SecureFileOutputStream in project i2p.i2p-bote by i2p.

the class EmailFolder method saveMetadata.

private void saveMetadata(EmailMetadata metadata, File file) throws PasswordException, FileNotFoundException, IOException, GeneralSecurityException {
    log.info("Mail folder <" + storageDir + ">: storing metadata file: <" + file.getAbsolutePath() + ">");
    OutputStream emailOutputStream = new BufferedOutputStream(new EncryptedOutputStream(new SecureFileOutputStream(file), passwordHolder));
    try {
        metadata.writeTo(emailOutputStream);
    } catch (IOException e) {
        log.error("Can't write metadata to file <" + file.getAbsolutePath() + ">", e);
        throw e;
    } finally {
        if (emailOutputStream != null)
            emailOutputStream.close();
    }
    for (FolderListener listener : folderListeners) listener.elementUpdated();
}