/**
* Read data from incoming IMAP stream.
*
* @return Horde_Imap_Client_Tokenize The tokenized data.
*
* @throws Horde_Imap_Client_Exception
*/
public function read()
{
$got_data = false;
$literal_len = null;
$token = new Horde_Imap_Client_Tokenize();
do {
if (feof($this->_stream)) {
$this->close();
$this->_params['debug']->info('ERROR: Server closed the connection.');
throw new Horde_Imap_Client_Exception(Horde_Imap_Client_Translation::r("Mail server closed the connection unexpectedly."), Horde_Imap_Client_Exception::DISCONNECT);
}
if (is_null($literal_len)) {
$buffer = '';
while (($in = fgets($this->_stream)) !== false) {
$got_data = true;
if (substr($in, -1) === "\n") {
$in = rtrim($in);
$this->_params['debug']->server($buffer . $in);
$token->add($in);
break;
}
$buffer .= $in;
$token->add($in);
}
/* Check for literal data. */
if (is_null($len = $token->getLiteralLength())) {
break;
}
// Skip 0-length literal data.
if ($len['length']) {
$binary = $len['binary'];
$literal_len = $len['length'];
}
continue;
}
$old_len = $literal_len;
while ($literal_len > 0 && !feof($this->_stream)) {
$in = fread($this->_stream, min($literal_len, 8192));
$token->add($in);
if (!empty($this->_params['debugliteral'])) {
$this->_params['debug']->raw($in);
}
$got_data = true;
$literal_len -= strlen($in);
}
$literal_len = null;
if (empty($this->_params['debugliteral'])) {
$this->_params['debug']->server('[' . ($binary ? 'BINARY' : 'LITERAL') . ' DATA: ' . $old_len . ' bytes]');
}
} while (true);
if (!$got_data) {
$this->_params['debug']->info('ERROR: read/timeout error.');
throw new Horde_Imap_Client_Exception(Horde_Imap_Client_Translation::r("Error when communicating with the mail server."), Horde_Imap_Client_Exception::SERVER_READERROR);
}
return $token;
}
/**
* Read data from incoming IMAP stream.
*
* @return Horde_Imap_Client_Tokenize The tokenized data.
*
* @throws Horde_Imap_Client_Exception
*/
protected function _readStream()
{
$got_data = false;
$literal_len = null;
$token = new Horde_Imap_Client_Tokenize();
do {
if (feof($this->_stream)) {
$this->_temp['logout'] = true;
$this->logout();
$this->writeDebug("ERROR: Server closed the connection.\n", Horde_Imap_Client::DEBUG_INFO);
throw new Horde_Imap_Client_Exception(Horde_Imap_Client_Translation::t("Mail server closed the connection unexpectedly."), Horde_Imap_Client_Exception::DISCONNECT);
}
if (is_null($literal_len)) {
$this->writeDebug('', Horde_Imap_Client::DEBUG_SERVER);
while (($in = fgets($this->_stream)) !== false) {
$got_data = true;
if (substr($in, -1) == "\n") {
$in = rtrim($in);
if ($this->_debug) {
$this->writeDebug($in . "\n");
}
$token->add($in);
break;
}
if ($this->_debug) {
$this->writeDebug($in);
}
$token->add($in);
}
/* Check for literal data. */
fseek($token->stream->stream, -1, SEEK_END);
if ($token->stream->peek() == '}') {
$literal_data = $token->stream->getString($token->stream->search('{', true) - 1);
$literal_len = substr($literal_data, 2, -1);
if (is_numeric($literal_len)) {
if ($literal_len) {
$binary = $literal_data[0] == '~';
} else {
// Skip 0-length literal data.
$literal_len = null;
}
continue;
}
}
break;
}
$debug_literal = $this->_debug && !empty($this->_params['debug_literal']);
$old_len = $literal_len;
$this->writeDebug('', Horde_Imap_Client::DEBUG_SERVER);
while ($literal_len && !feof($this->_stream)) {
$in = fread($this->_stream, min($literal_len, 8192));
$token->add($in);
if ($debug_literal) {
$this->writeDebug($in);
}
$got_data = true;
$in_len = strlen($in);
if ($in_len > $literal_len) {
break;
}
$literal_len -= $in_len;
}
$literal_len = null;
if (!$debug_literal) {
$this->writeDebug('[' . ($binary ? 'BINARY' : 'LITERAL') . ' DATA: ' . $old_len . ' bytes]' . "\n");
}
} while (true);
if (!$got_data) {
$this->writeDebug("ERROR: IMAP read/timeout error.\n", Horde_Imap_Client::DEBUG_INFO);
$this->logout();
throw new Horde_Imap_Client_Exception(Horde_Imap_Client_Translation::t("Error when communicating with the mail server."), Horde_Imap_Client_Exception::SERVER_READERROR);
}
return $token;
}
public function testLiteralStream()
{
$token = new Horde_Imap_Client_Tokenize();
$token->add('FOO {10}');
$token->addLiteralStream('1234567890');
$token->add(' BAR');
$token->rewind();
$this->assertEquals('FOO', $token->next());
/* Internal stream is converted to string. */
$this->assertEquals('1234567890', $token->next());
$this->assertEquals('BAR', $token->next());
$this->assertTrue($token->eos);
/* Check to see stream is returned if nextStream() is called and
* a literal is encountered. */
$token->rewind();
$this->assertEquals('FOO', $token->nextStream());
$stream = $token->nextStream();
$this->assertInstanceOf('Horde_Stream_Temp', $stream);
$this->assertEquals('1234567890', strval($stream));
$this->assertEquals('BAR', $token->nextStream());
$token = new Horde_Imap_Client_Tokenize();
$token->add('{200}' . str_repeat('Z', 200));
$token->rewind();
$this->assertEquals(str_repeat('Z', 200), $token->next());
$token->rewind();
$stream = $token->nextStream();
$this->assertInstanceOf('Horde_Stream_Temp', $stream);
$this->assertEquals(str_repeat('Z', 200), strval($stream));
}