diff options
Diffstat (limited to 'program/include/rcube_imap_generic.php')
| -rw-r--r-- | program/include/rcube_imap_generic.php | 2817 |
1 files changed, 1487 insertions, 1330 deletions
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php index 16c9d4a64..e5e06c440 100644 --- a/program/include/rcube_imap_generic.php +++ b/program/include/rcube_imap_generic.php @@ -1,6 +1,6 @@ <?php -/* +/** +-----------------------------------------------------------------------+ | program/include/rcube_imap_generic.php | | | @@ -29,45 +29,45 @@ /** * Struct representing an e-mail message header * - * @package Mail - * @author Aleksander Machniak <alec@alec.pl> + * @package Mail + * @author Aleksander Machniak <alec@alec.pl> */ class rcube_mail_header { - public $id; - public $uid; - public $subject; - public $from; - public $to; - public $cc; - public $replyto; - public $in_reply_to; - public $date; - public $messageID; - public $size; - public $encoding; - public $charset; - public $ctype; - public $flags; - public $timestamp; - public $body_structure; - public $internaldate; - public $references; - public $priority; - public $mdn_to; - public $mdn_sent = false; - public $is_draft = false; - public $seen = false; - public $deleted = false; - public $recent = false; - public $answered = false; - public $forwarded = false; - public $junk = false; - public $flagged = false; - public $has_children = false; - public $depth = 0; - public $unread_children = 0; - public $others = array(); + public $id; + public $uid; + public $subject; + public $from; + public $to; + public $cc; + public $replyto; + public $in_reply_to; + public $date; + public $messageID; + public $size; + public $encoding; + public $charset; + public $ctype; + public $flags; + public $timestamp; + public $body_structure; + public $internaldate; + public $references; + public $priority; + public $mdn_to; + public $mdn_sent = false; + public $is_draft = false; + public $seen = false; + public $deleted = false; + public $recent = false; + public $answered = false; + public $forwarded = false; + public $junk = false; + public $flagged = false; + public $has_children = false; + public $depth = 0; + public $unread_children = 0; + public $others = array(); } // For backward compatibility with cached messages (#1486602) @@ -78,14 +78,15 @@ class iilBasicHeader extends rcube_mail_header /** * PHP based wrapper class to connect to an IMAP server * - * @package Mail - * @author Aleksander Machniak <alec@alec.pl> + * @package Mail + * @author Aleksander Machniak <alec@alec.pl> */ class rcube_imap_generic { public $error; public $errornum; - public $message; + public $result; + public $resultcode; public $data = array(); public $flags = array( 'SEEN' => '\\Seen', @@ -100,11 +101,11 @@ class rcube_imap_generic ); private $selected; - private $fp; - private $host; - private $logged = false; - private $capability = array(); - private $capability_readed = false; + private $fp; + private $host; + private $logged = false; + private $capability = array(); + private $capability_readed = false; private $prefs; private $cmd_tag; private $cmd_num = 0; @@ -113,8 +114,9 @@ class rcube_imap_generic const ERROR_NO = -1; const ERROR_BAD = -2; const ERROR_BYE = -3; - const ERROR_COMMAND = -5; const ERROR_UNKNOWN = -4; + const ERROR_COMMAND = -5; + const ERROR_READONLY = -6; const COMMAND_NORESPONSE = 1; const COMMAND_CAPABILITY = 2; @@ -140,16 +142,16 @@ class rcube_imap_generic if (!$this->fp) return false; - if (!empty($this->prefs['debug_mode'])) { - write_log('imap', 'C: '. rtrim($string)); - } + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', 'C: '. rtrim($string)); + } $res = fwrite($this->fp, $string . ($endln ? "\r\n" : '')); - if ($res === false) { - @fclose($this->fp); - $this->fp = null; - } + if ($res === false) { + @fclose($this->fp); + $this->fp = null; + } return $res; } @@ -168,161 +170,174 @@ class rcube_imap_generic if (!$this->fp) return false; - if ($endln) - $string .= "\r\n"; + if ($endln) + $string .= "\r\n"; - $res = 0; - if ($parts = preg_split('/(\{[0-9]+\}\r\n)/m', $string, -1, PREG_SPLIT_DELIM_CAPTURE)) { - for ($i=0, $cnt=count($parts); $i<$cnt; $i++) { - if (preg_match('/^\{[0-9]+\}\r\n$/', $parts[$i+1])) { + $res = 0; + if ($parts = preg_split('/(\{[0-9]+\}\r\n)/m', $string, -1, PREG_SPLIT_DELIM_CAPTURE)) { + for ($i=0, $cnt=count($parts); $i<$cnt; $i++) { + if (preg_match('/^\{[0-9]+\}\r\n$/', $parts[$i+1])) { // LITERAL+ support if ($this->prefs['literal+']) $parts[$i+1] = preg_replace('/([0-9]+)/', '\\1+', $parts[$i+1]); - $bytes = $this->putLine($parts[$i].$parts[$i+1], false); + $bytes = $this->putLine($parts[$i].$parts[$i+1], false); if ($bytes === false) return false; $res += $bytes; // don't wait if server supports LITERAL+ capability if (!$this->prefs['literal+']) { - $line = $this->readLine(1000); - // handle error in command - if ($line[0] != '+') - return false; - } + $line = $this->readLine(1000); + // handle error in command + if ($line[0] != '+') + return false; + } $i++; - } - else { - $bytes = $this->putLine($parts[$i], false); + } + else { + $bytes = $this->putLine($parts[$i], false); if ($bytes === false) return false; $res += $bytes; } - } - } + } + } - return $res; + return $res; } function readLine($size=1024) { - $line = ''; + $line = ''; - if (!$this->fp) { - return NULL; - } + if (!$this->fp) { + return NULL; + } - if (!$size) { - $size = 1024; - } + if (!$size) { + $size = 1024; + } - do { - if (feof($this->fp)) { - return $line ? $line : NULL; - } + do { + if (feof($this->fp)) { + return $line ? $line : NULL; + } - $buffer = fgets($this->fp, $size); + $buffer = fgets($this->fp, $size); - if ($buffer === false) { - @fclose($this->fp); - $this->fp = null; - break; - } - if (!empty($this->prefs['debug_mode'])) { - write_log('imap', 'S: '. rtrim($buffer)); - } + if ($buffer === false) { + @fclose($this->fp); + $this->fp = null; + break; + } + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', 'S: '. rtrim($buffer)); + } $line .= $buffer; - } while ($buffer[strlen($buffer)-1] != "\n"); + } while ($buffer[strlen($buffer)-1] != "\n"); - return $line; + return $line; } function multLine($line, $escape=false) { - $line = rtrim($line); - if (preg_match('/\{[0-9]+\}$/', $line)) { - $out = ''; + $line = rtrim($line); + if (preg_match('/\{[0-9]+\}$/', $line)) { + $out = ''; - preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a); - $bytes = $a[2][0]; - while (strlen($out) < $bytes) { - $line = $this->readBytes($bytes); - if ($line === NULL) - break; - $out .= $line; - } + preg_match_all('/(.*)\{([0-9]+)\}$/', $line, $a); + $bytes = $a[2][0]; + while (strlen($out) < $bytes) { + $line = $this->readBytes($bytes); + if ($line === NULL) + break; + $out .= $line; + } - $line = $a[1][0] . ($escape ? $this->escape($out) : $out); - } + $line = $a[1][0] . ($escape ? $this->escape($out) : $out); + } return $line; } function readBytes($bytes) { - $data = ''; - $len = 0; - while ($len < $bytes && !feof($this->fp)) - { - $d = fread($this->fp, $bytes-$len); - if (!empty($this->prefs['debug_mode'])) { - write_log('imap', 'S: '. $d); + $data = ''; + $len = 0; + while ($len < $bytes && !feof($this->fp)) + { + $d = fread($this->fp, $bytes-$len); + if (!empty($this->prefs['debug_mode'])) { + write_log('imap', 'S: '. $d); } $data .= $d; - $data_len = strlen($data); - if ($len == $data_len) { - break; // nothing was read -> exit to avoid apache lockups - } - $len = $data_len; - } + $data_len = strlen($data); + if ($len == $data_len) { + break; // nothing was read -> exit to avoid apache lockups + } + $len = $data_len; + } - return $data; + return $data; } - // don't use it in loops, until you exactly know what you're doing function readReply(&$untagged=null) { - do { - $line = trim($this->readLine(1024)); + do { + $line = trim($this->readLine(1024)); // store untagged response lines - if ($line[0] == '*') + if ($line[0] == '*') $untagged[] = $line; - } while ($line[0] == '*'); + } while ($line[0] == '*'); if ($untagged) $untagged = join("\n", $untagged); - return $line; + return $line; } function parseResult($string, $err_prefix='') { - if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) { - $res = strtoupper($matches[1]); + if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) { + $res = strtoupper($matches[1]); $str = trim($matches[2]); - if ($res == 'OK') { - return $this->errornum = self::ERROR_OK; - } else if ($res == 'NO') { + if ($res == 'OK') { + $this->errornum = self::ERROR_OK; + } else if ($res == 'NO') { $this->errornum = self::ERROR_NO; - } else if ($res == 'BAD') { - $this->errornum = self::ERROR_BAD; - } else if ($res == 'BYE') { + } else if ($res == 'BAD') { + $this->errornum = self::ERROR_BAD; + } else if ($res == 'BYE') { @fclose($this->fp); $this->fp = null; - $this->errornum = self::ERROR_BYE; - } + $this->errornum = self::ERROR_BYE; + } + + if ($str) { + $str = trim($str); + // get response string and code (RFC5530) + if (preg_match("/^\[([a-z-]+)\]/i", $str, $m)) { + $this->resultcode = strtoupper($m[1]); + $str = trim(substr($str, strlen($m[1]) + 2)); + } + else { + $this->resultcode = null; + } + $this->result = $str; - if ($str) - $this->error = $err_prefix ? $err_prefix.$str : $str; + if ($this->errornum != self::ERROR_OK) { + $this->error = $err_prefix ? $err_prefix.$str : $str; + } + } - return $this->errornum; - } - return self::ERROR_UNKNOWN; + return $this->errornum; + } + return self::ERROR_UNKNOWN; } - private function setError($code, $msg='') + function setError($code, $msg='') { $this->errornum = $code; $this->error = $msg; @@ -331,59 +346,59 @@ class rcube_imap_generic // check if $string starts with $match (or * BYE/BAD) function startsWith($string, $match, $error=false, $nonempty=false) { - $len = strlen($match); - if ($len == 0) { - return false; - } + $len = strlen($match); + if ($len == 0) { + return false; + } if (!$this->fp) { return true; } - if (strncmp($string, $match, $len) == 0) { - return true; - } - if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { + if (strncmp($string, $match, $len) == 0) { + return true; + } + if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) { if (strtoupper($m[1]) == 'BYE') { @fclose($this->fp); $this->fp = null; } - return true; - } + return true; + } if ($nonempty && !strlen($string)) { return true; } - return false; + return false; } function getCapability($name) { - if (in_array($name, $this->capability)) { - return true; - } - else if ($this->capability_readed) { - return false; - } + if (in_array($name, $this->capability)) { + return true; + } + else if ($this->capability_readed) { + return false; + } - // get capabilities (only once) because initial - // optional CAPABILITY response may differ + // get capabilities (only once) because initial + // optional CAPABILITY response may differ $result = $this->execute('CAPABILITY'); if ($result[0] == self::ERROR_OK) { $this->parseCapability($result[1]); } - $this->capability_readed = true; + $this->capability_readed = true; - if (in_array($name, $this->capability)) { - return true; - } + if (in_array($name, $this->capability)) { + return true; + } - return false; + return false; } function clearCapability() { - $this->capability = array(); - $this->capability_readed = false; + $this->capability = array(); + $this->capability_readed = false; } /** @@ -401,18 +416,18 @@ class rcube_imap_generic if ($type == 'DIGEST-MD5' && !class_exists('Auth_SASL')) { $this->setError(self::ERROR_BYE, "The Auth_SASL package is required for DIGEST-MD5 authentication"); - return self::ERROR_BAD; + return self::ERROR_BAD; } - $this->putLine($this->nextTag() . " AUTHENTICATE $type"); - $line = trim($this->readLine(1024)); + $this->putLine($this->nextTag() . " AUTHENTICATE $type"); + $line = trim($this->readReply()); - if ($line[0] == '+') { - $challenge = substr($line, 2); + if ($line[0] == '+') { + $challenge = substr($line, 2); } else { return $this->parseResult($line); - } + } if ($type == 'CRAM-MD5') { // RFC2195: CRAM-MD5 @@ -455,10 +470,10 @@ class rcube_imap_generic // send result $this->putLine($reply); - $line = $this->readLine(1024); + $line = trim($this->readReply()); if ($line[0] == '+') { - $challenge = substr($line, 2); + $challenge = substr($line, 2); } else { return $this->parseResult($line); @@ -475,7 +490,7 @@ class rcube_imap_generic $this->putLine(''); } - $line = $this->readLine(1024); + $line = $this->readReply(); $result = $this->parseResult($line); } else { // PLAIN @@ -496,29 +511,29 @@ class rcube_imap_generic self::COMMAND_LASTLINE | self::COMMAND_CAPABILITY); } else { - $this->putLine($this->nextTag() . " AUTHENTICATE PLAIN"); - $line = trim($this->readLine(1024)); + $this->putLine($this->nextTag() . " AUTHENTICATE PLAIN"); + $line = trim($this->readReply()); - if ($line[0] != '+') { - return $this->parseResult($line); - } + if ($line[0] != '+') { + return $this->parseResult($line); + } // send result, get reply and process it $this->putLine($reply); - $line = $this->readLine(1024); + $line = $this->readReply(); $result = $this->parseResult($line); } } if ($result == self::ERROR_OK) { - // optional CAPABILITY response - if ($line && preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { - $this->parseCapability($matches[1], true); - } + // optional CAPABILITY response + if ($line && preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { + $this->parseCapability($matches[1], true); + } return $this->fp; } else { - $this->setError($result, "Unable to authenticate user ($type): $line"); + $this->setError($result, "AUTHENTICATE $type: $line"); } return $result; @@ -538,9 +553,9 @@ class rcube_imap_generic $this->escape($user), $this->escape($password)), self::COMMAND_CAPABILITY); // re-set capabilities list if untagged CAPABILITY response provided - if (preg_match('/\* CAPABILITY (.+)/i', $response, $matches)) { - $this->parseCapability($matches[1], true); - } + if (preg_match('/\* CAPABILITY (.+)/i', $response, $matches)) { + $this->parseCapability($matches[1], true); + } if ($code == self::ERROR_OK) { return $this->fp; @@ -556,21 +571,21 @@ class rcube_imap_generic */ function getHierarchyDelimiter() { - if ($this->prefs['delimiter']) { - return $this->prefs['delimiter']; - } + if ($this->prefs['delimiter']) { + return $this->prefs['delimiter']; + } - // try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8) - list($code, $response) = $this->execute('LIST', - array($this->escape(''), $this->escape(''))); + // try (LIST "" ""), should return delimiter (RFC2060 Sec 6.3.8) + list($code, $response) = $this->execute('LIST', + array($this->escape(''), $this->escape(''))); if ($code == self::ERROR_OK) { $args = $this->tokenizeResponse($response, 4); $delimiter = $args[3]; - if (strlen($delimiter) > 0) { - return ($this->prefs['delimiter'] = $delimiter); - } + if (strlen($delimiter) > 0) { + return ($this->prefs['delimiter'] = $delimiter); + } } return NULL; @@ -588,18 +603,18 @@ class rcube_imap_generic } if (!$this->getCapability('NAMESPACE')) { - return self::ERROR_BAD; - } + return self::ERROR_BAD; + } - list($code, $response) = $this->execute('NAMESPACE'); + list($code, $response) = $this->execute('NAMESPACE'); - if ($code == self::ERROR_OK && preg_match('/^\* NAMESPACE /', $response)) { - $data = $this->tokenizeResponse(substr($response, 11)); - } + if ($code == self::ERROR_OK && preg_match('/^\* NAMESPACE /', $response)) { + $data = $this->tokenizeResponse(substr($response, 11)); + } - if (!is_array($data)) { - return $code; - } + if (!is_array($data)) { + return $code; + } $this->prefs['namespace'] = array( 'personal' => $data[0], @@ -612,134 +627,132 @@ class rcube_imap_generic function connect($host, $user, $password, $options=null) { - // set options - if (is_array($options)) { + // set options + if (is_array($options)) { $this->prefs = $options; } // set auth method if (!empty($this->prefs['auth_method'])) { $auth_method = strtoupper($this->prefs['auth_method']); - } else { - $auth_method = 'CHECK'; + } else { + $auth_method = 'CHECK'; } - $result = false; + $result = false; - // initialize connection - $this->error = ''; - $this->errornum = self::ERROR_OK; - $this->selected = ''; - $this->user = $user; - $this->host = $host; + // initialize connection + $this->error = ''; + $this->errornum = self::ERROR_OK; + $this->selected = ''; + $this->user = $user; + $this->host = $host; $this->logged = false; - // check input - if (empty($host)) { - $this->setError(self::ERROR_BAD, "Empty host"); - return false; - } + // check input + if (empty($host)) { + $this->setError(self::ERROR_BAD, "Empty host"); + return false; + } if (empty($user)) { - $this->setError(self::ERROR_NO, "Empty user"); - return false; - } - if (empty($password)) { - $this->setError(self::ERROR_NO, "Empty password"); - return false; - } - - if (!$this->prefs['port']) { - $this->prefs['port'] = 143; - } - // check for SSL - if ($this->prefs['ssl_mode'] && $this->prefs['ssl_mode'] != 'tls') { - $host = $this->prefs['ssl_mode'] . '://' . $host; - } + $this->setError(self::ERROR_NO, "Empty user"); + return false; + } + if (empty($password)) { + $this->setError(self::ERROR_NO, "Empty password"); + return false; + } + + if (!$this->prefs['port']) { + $this->prefs['port'] = 143; + } + // check for SSL + if ($this->prefs['ssl_mode'] && $this->prefs['ssl_mode'] != 'tls') { + $host = $this->prefs['ssl_mode'] . '://' . $host; + } // Connect if ($this->prefs['timeout'] > 0) - $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']); - else - $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr); + $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr, $this->prefs['timeout']); + else + $this->fp = @fsockopen($host, $this->prefs['port'], $errno, $errstr); - if (!$this->fp) { - $this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s", $host, $this->prefs['port'], $errstr)); - return false; - } + if (!$this->fp) { + $this->setError(self::ERROR_BAD, sprintf("Could not connect to %s:%d: %s", $host, $this->prefs['port'], $errstr)); + return false; + } if ($this->prefs['timeout'] > 0) - stream_set_timeout($this->fp, $this->prefs['timeout']); + stream_set_timeout($this->fp, $this->prefs['timeout']); - $line = trim(fgets($this->fp, 8192)); + $line = trim(fgets($this->fp, 8192)); - if ($this->prefs['debug_mode'] && $line) { - write_log('imap', 'S: '. $line); + if ($this->prefs['debug_mode'] && $line) { + write_log('imap', 'S: '. $line); } - // Connected to wrong port or connection error? - if (!preg_match('/^\* (OK|PREAUTH)/i', $line)) { - if ($line) - $error = sprintf("Wrong startup greeting (%s:%d): %s", $host, $this->prefs['port'], $line); - else - $error = sprintf("Empty startup greeting (%s:%d)", $host, $this->prefs['port']); - - $this->setError(self::ERROR_BAD, $error); - $this->close(); - return false; - } + // Connected to wrong port or connection error? + if (!preg_match('/^\* (OK|PREAUTH)/i', $line)) { + if ($line) + $error = sprintf("Wrong startup greeting (%s:%d): %s", $host, $this->prefs['port'], $line); + else + $error = sprintf("Empty startup greeting (%s:%d)", $host, $this->prefs['port']); - // RFC3501 [7.1] optional CAPABILITY response - if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { - $this->parseCapability($matches[1], true); - } + $this->setError(self::ERROR_BAD, $error); + $this->closeConnection(); + return false; + } - $this->message = $line; + // RFC3501 [7.1] optional CAPABILITY response + if (preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches)) { + $this->parseCapability($matches[1], true); + } - // TLS connection - if ($this->prefs['ssl_mode'] == 'tls' && $this->getCapability('STARTTLS')) { - if (version_compare(PHP_VERSION, '5.1.0', '>=')) { - $res = $this->execute('STARTTLS'); + // TLS connection + if ($this->prefs['ssl_mode'] == 'tls' && $this->getCapability('STARTTLS')) { + if (version_compare(PHP_VERSION, '5.1.0', '>=')) { + $res = $this->execute('STARTTLS'); if ($res[0] != self::ERROR_OK) { - $this->close(); + $this->closeConnection(); return false; } - if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { - $this->setError(self::ERROR_BAD, "Unable to negotiate TLS"); - $this->close(); - return false; - } + if (!stream_socket_enable_crypto($this->fp, true, STREAM_CRYPTO_METHOD_TLS_CLIENT)) { + $this->setError(self::ERROR_BAD, "Unable to negotiate TLS"); + $this->closeConnection(); + return false; + } - // Now we're secure, capabilities need to be reread - $this->clearCapability(); - } - } + // Now we're secure, capabilities need to be reread + $this->clearCapability(); + } + } - $auth_methods = array(); + $auth_methods = array(); $result = null; - // check for supported auth methods - if ($auth_method == 'CHECK') { - if ($this->getCapability('AUTH=DIGEST-MD5')) { - $auth_methods[] = 'DIGEST-MD5'; - } - if ($this->getCapability('AUTH=CRAM-MD5') || $this->getCapability('AUTH=CRAM_MD5')) { - $auth_methods[] = 'CRAM-MD5'; - } - if ($this->getCapability('AUTH=PLAIN')) { - $auth_methods[] = 'PLAIN'; - } + // check for supported auth methods + if ($auth_method == 'CHECK') { + if ($this->getCapability('AUTH=DIGEST-MD5')) { + $auth_methods[] = 'DIGEST-MD5'; + } + if ($this->getCapability('AUTH=CRAM-MD5') || $this->getCapability('AUTH=CRAM_MD5')) { + $auth_methods[] = 'CRAM-MD5'; + } + if ($this->getCapability('AUTH=PLAIN')) { + $auth_methods[] = 'PLAIN'; + } // RFC 2595 (LOGINDISABLED) LOGIN disabled when connection is not secure - if (!$this->getCapability('LOGINDISABLED')) { - $auth_methods[] = 'LOGIN'; - } - } + if (!$this->getCapability('LOGINDISABLED')) { + $auth_methods[] = 'LOGIN'; + } + } else { // Prevent from sending credentials in plain text when connection is not secure - if ($auth_method == 'LOGIN' && $this->getCapability('LOGINDISABLED')) { - $this->setError(self::ERROR_BAD, "Login disabled by IMAP server"); - $this->close(); - return false; + if ($auth_method == 'LOGIN' && $this->getCapability('LOGINDISABLED')) { + $this->setError(self::ERROR_BAD, "Login disabled by IMAP server"); + $this->closeConnection(); + return false; } // replace AUTH with CRAM-MD5 for backward compat. $auth_methods[] = $auth_method == 'AUTH' ? 'CRAM-MD5' : $auth_method; @@ -753,61 +766,68 @@ class rcube_imap_generic switch ($method) { case 'DIGEST-MD5': case 'CRAM-MD5': - case 'PLAIN': - $result = $this->authenticate($user, $password, $method); - break; + case 'PLAIN': + $result = $this->authenticate($user, $password, $method); + break; case 'LOGIN': - $result = $this->login($user, $password); + $result = $this->login($user, $password); break; default: $this->setError(self::ERROR_BAD, "Configuration error. Unknown auth method: $method"); } - if (is_resource($result)) { - break; - } - } + if (is_resource($result)) { + break; + } + } // Connected and authenticated - if (is_resource($result)) { + if (is_resource($result)) { if ($this->prefs['force_caps']) { - $this->clearCapability(); + $this->clearCapability(); } $this->logged = true; - return true; + return true; } - // Close connection - $this->close(); + $this->closeConnection(); return false; } function connected() { - return ($this->fp && $this->logged) ? true : false; + return ($this->fp && $this->logged) ? true : false; } - function close() + function closeConnection() { - if ($this->putLine($this->nextTag() . ' LOGOUT')) { - $this->readReply(); + if ($this->putLine($this->nextTag() . ' LOGOUT')) { + $this->readReply(); } - @fclose($this->fp); - $this->fp = false; + @fclose($this->fp); + $this->fp = false; } + /** + * Executes SELECT command (if mailbox is already not in selected state) + * + * @param string $mailbox Mailbox name + * + * @return boolean True on success, false on error + * @access public + */ function select($mailbox) { - if (!strlen($mailbox)) { - return false; - } + if (!strlen($mailbox)) { + return false; + } - if ($this->selected == $mailbox) { - return true; - } + if ($this->selected == $mailbox) { + return true; + } /* Temporary commented out because Courier returns \Noselect for INBOX Requires more investigation @@ -823,26 +843,28 @@ class rcube_imap_generic if ($code == self::ERROR_OK) { $response = explode("\r\n", $response); foreach ($response as $line) { - if (preg_match('/^\* ([0-9]+) (EXISTS|RECENT)$/i', $line, $m)) { - $this->data[strtoupper($m[2])] = (int) $m[1]; - } - else if (preg_match('/^\* OK \[(UIDNEXT|UIDVALIDITY|UNSEEN) ([0-9]+)\]/i', $line, $match)) { - $this->data[strtoupper($match[1])] = (int) $match[2]; - } - else if (preg_match('/^\* OK \[PERMANENTFLAGS \(([^\)]+)\)\]/iU', $line, $match)) { - $this->data['PERMANENTFLAGS'] = explode(' ', $match[1]); - } + if (preg_match('/^\* ([0-9]+) (EXISTS|RECENT)$/i', $line, $m)) { + $this->data[strtoupper($m[2])] = (int) $m[1]; + } + else if (preg_match('/^\* OK \[(UIDNEXT|UIDVALIDITY|UNSEEN) ([0-9]+)\]/i', $line, $match)) { + $this->data[strtoupper($match[1])] = (int) $match[2]; + } + else if (preg_match('/^\* OK \[PERMANENTFLAGS \(([^\)]+)\)\]/iU', $line, $match)) { + $this->data['PERMANENTFLAGS'] = explode(' ', $match[1]); + } } - $this->selected = $mailbox; - return true; - } + $this->data['READ-WRITE'] = $this->resultcode != 'READ-ONLY'; + + $this->selected = $mailbox; + return true; + } return false; } /** - * Executes STATUS comand + * Executes STATUS command * * @param string $mailbox Mailbox name * @param array $items Additional requested item names. By default @@ -855,9 +877,9 @@ class rcube_imap_generic */ function status($mailbox, $items=array()) { - if (!strlen($mailbox)) { - return false; - } + if (!strlen($mailbox)) { + return false; + } if (!in_array('MESSAGES', $items)) { $items[] = 'MESSAGES'; @@ -881,36 +903,157 @@ class rcube_imap_generic $this->data['STATUS:'.$mailbox] = $result; - return $result; - } + return $result; + } return false; } - function checkForRecent($mailbox) + /** + * Executes EXPUNGE command + * + * @param string $mailbox Mailbox name + * @param string $messages Message UIDs to expunge + * + * @return boolean True on success, False on error + * @access public + */ + function expunge($mailbox, $messages=NULL) { - if (!strlen($mailbox)) { - $mailbox = 'INBOX'; - } + if (!$this->select($mailbox)) { + return false; + } + + if (!$this->data['READ-WRITE']) { + $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'EXPUNGE'); + return false; + } - $this->select($mailbox); + // Clear internal status cache + unset($this->data['STATUS:'.$mailbox]); - if ($this->selected == $mailbox) { - return $this->data['RECENT']; - } + if ($messages) + $result = $this->execute('UID EXPUNGE', array($messages), self::COMMAND_NORESPONSE); + else + $result = $this->execute('EXPUNGE', null, self::COMMAND_NORESPONSE); - return false; + if ($result == self::ERROR_OK) { + $this->selected = ''; // state has changed, need to reselect + return true; + } + + return false; + } + + /** + * Executes CLOSE command + * + * @return boolean True on success, False on error + * @access public + * @since 0.5 + */ + function close() + { + $result = $this->execute('CLOSE', NULL, self::COMMAND_NORESPONSE); + + if ($result == self::ERROR_OK) { + $this->selected = ''; + return true; + } + + return false; + } + + /** + * Executes SUBSCRIBE command + * + * @param string $mailbox Mailbox name + * + * @return boolean True on success, False on error + * @access public + */ + function subscribe($mailbox) + { + $result = $this->execute('SUBSCRIBE', array($this->escape($mailbox)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); + } + + /** + * Executes UNSUBSCRIBE command + * + * @param string $mailbox Mailbox name + * + * @return boolean True on success, False on error + * @access public + */ + function unsubscribe($mailbox) + { + $result = $this->execute('UNSUBSCRIBE', array($this->escape($mailbox)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); } + /** + * Executes DELETE command + * + * @param string $mailbox Mailbox name + * + * @return boolean True on success, False on error + * @access public + */ + function deleteFolder($mailbox) + { + $result = $this->execute('DELETE', array($this->escape($mailbox)), + self::COMMAND_NORESPONSE); + + return ($result == self::ERROR_OK); + } + + /** + * Removes all messages in a folder + * + * @param string $mailbox Mailbox name + * + * @return boolean True on success, False on error + * @access public + */ + function clearFolder($mailbox) + { + $num_in_trash = $this->countMessages($mailbox); + if ($num_in_trash > 0) { + $res = $this->delete($mailbox, '1:*'); + } + + if ($res) { + if ($this->selected == $mailbox) + $res = $this->close(); + else + $res = $this->expunge($mailbox); + } + + return $res; + } + + /** + * Returns count of all messages in a folder + * + * @param string $mailbox Mailbox name + * + * @return int Number of messages, False on error + * @access public + */ function countMessages($mailbox, $refresh = false) { - if ($refresh) { - $this->selected = ''; - } + if ($refresh) { + $this->selected = ''; + } - if ($this->selected == $mailbox) { - return $this->data['EXISTS']; - } + if ($this->selected == $mailbox) { + return $this->data['EXISTS']; + } // Check internal cache $cache = $this->data['STATUS:'.$mailbox]; @@ -928,6 +1071,29 @@ class rcube_imap_generic } /** + * Returns count of messages with \Recent flag in a folder + * + * @param string $mailbox Mailbox name + * + * @return int Number of messages, False on error + * @access public + */ + function countRecent($mailbox) + { + if (!strlen($mailbox)) { + $mailbox = 'INBOX'; + } + + $this->select($mailbox); + + if ($this->selected == $mailbox) { + return $this->data['RECENT']; + } + + return false; + } + + /** * Returns count of messages without \Seen flag in a specified folder * * @param string $mailbox Mailbox name @@ -960,218 +1126,218 @@ class rcube_imap_generic function sort($mailbox, $field, $add='', $is_uid=FALSE, $encoding = 'US-ASCII') { - $field = strtoupper($field); - if ($field == 'INTERNALDATE') { - $field = 'ARRIVAL'; - } + $field = strtoupper($field); + if ($field == 'INTERNALDATE') { + $field = 'ARRIVAL'; + } - $fields = array('ARRIVAL' => 1,'CC' => 1,'DATE' => 1, + $fields = array('ARRIVAL' => 1,'CC' => 1,'DATE' => 1, 'FROM' => 1, 'SIZE' => 1, 'SUBJECT' => 1, 'TO' => 1); - if (!$fields[$field]) { - return false; - } + if (!$fields[$field]) { + return false; + } - if (!$this->select($mailbox)) { - return false; - } + if (!$this->select($mailbox)) { + return false; + } - // message IDs - if (!empty($add)) - $add = $this->compressMessageSet($add); + // message IDs + if (!empty($add)) + $add = $this->compressMessageSet($add); - list($code, $response) = $this->execute($is_uid ? 'UID SORT' : 'SORT', - array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : ''))); + list($code, $response) = $this->execute($is_uid ? 'UID SORT' : 'SORT', + array("($field)", $encoding, 'ALL' . (!empty($add) ? ' '.$add : ''))); - if ($code == self::ERROR_OK) { - // remove prefix and \r\n from raw response + if ($code == self::ERROR_OK) { + // remove prefix and \r\n from raw response $response = str_replace("\r\n", '', substr($response, 7)); - return preg_split('/\s+/', $response, -1, PREG_SPLIT_NO_EMPTY); - } + return preg_split('/\s+/', $response, -1, PREG_SPLIT_NO_EMPTY); + } return false; } function fetchHeaderIndex($mailbox, $message_set, $index_field='', $skip_deleted=true, $uidfetch=false) { - if (is_array($message_set)) { - if (!($message_set = $this->compressMessageSet($message_set))) - return false; - } else { - list($from_idx, $to_idx) = explode(':', $message_set); - if (empty($message_set) || - (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) { - return false; - } - } - - $index_field = empty($index_field) ? 'DATE' : strtoupper($index_field); - - $fields_a['DATE'] = 1; - $fields_a['INTERNALDATE'] = 4; - $fields_a['ARRIVAL'] = 4; - $fields_a['FROM'] = 1; - $fields_a['REPLY-TO'] = 1; - $fields_a['SENDER'] = 1; - $fields_a['TO'] = 1; - $fields_a['CC'] = 1; - $fields_a['SUBJECT'] = 1; - $fields_a['UID'] = 2; - $fields_a['SIZE'] = 2; - $fields_a['SEEN'] = 3; - $fields_a['RECENT'] = 3; - $fields_a['DELETED'] = 3; - - if (!($mode = $fields_a[$index_field])) { - return false; - } - - /* Do "SELECT" command */ - if (!$this->select($mailbox)) { - return false; - } - - // build FETCH command string - $key = $this->nextTag(); - $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; - $deleted = $skip_deleted ? ' FLAGS' : ''; - - if ($mode == 1 && $index_field == 'DATE') - $request = " $cmd $message_set (INTERNALDATE BODY.PEEK[HEADER.FIELDS (DATE)]$deleted)"; - else if ($mode == 1) - $request = " $cmd $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)]$deleted)"; - else if ($mode == 2) { - if ($index_field == 'SIZE') - $request = " $cmd $message_set (RFC822.SIZE$deleted)"; - else - $request = " $cmd $message_set ($index_field$deleted)"; - } else if ($mode == 3) - $request = " $cmd $message_set (FLAGS)"; - else // 4 - $request = " $cmd $message_set (INTERNALDATE$deleted)"; - - $request = $key . $request; - - if (!$this->putLine($request)) { + if (is_array($message_set)) { + if (!($message_set = $this->compressMessageSet($message_set))) + return false; + } else { + list($from_idx, $to_idx) = explode(':', $message_set); + if (empty($message_set) || + (isset($to_idx) && $to_idx != '*' && (int)$from_idx > (int)$to_idx)) { + return false; + } + } + + $index_field = empty($index_field) ? 'DATE' : strtoupper($index_field); + + $fields_a['DATE'] = 1; + $fields_a['INTERNALDATE'] = 4; + $fields_a['ARRIVAL'] = 4; + $fields_a['FROM'] = 1; + $fields_a['REPLY-TO'] = 1; + $fields_a['SENDER'] = 1; + $fields_a['TO'] = 1; + $fields_a['CC'] = 1; + $fields_a['SUBJECT'] = 1; + $fields_a['UID'] = 2; + $fields_a['SIZE'] = 2; + $fields_a['SEEN'] = 3; + $fields_a['RECENT'] = 3; + $fields_a['DELETED'] = 3; + + if (!($mode = $fields_a[$index_field])) { + return false; + } + + /* Do "SELECT" command */ + if (!$this->select($mailbox)) { + return false; + } + + // build FETCH command string + $key = $this->nextTag(); + $cmd = $uidfetch ? 'UID FETCH' : 'FETCH'; + $deleted = $skip_deleted ? ' FLAGS' : ''; + + if ($mode == 1 && $index_field == 'DATE') + $request = " $cmd $message_set (INTERNALDATE BODY.PEEK[HEADER.FIELDS (DATE)]$deleted)"; + else if ($mode == 1) + $request = " $cmd $message_set (BODY.PEEK[HEADER.FIELDS ($index_field)]$deleted)"; + else if ($mode == 2) { + if ($index_field == 'SIZE') + $request = " $cmd $message_set (RFC822.SIZE$deleted)"; + else + $request = " $cmd $message_set ($index_field$deleted)"; + } else if ($mode == 3) + $request = " $cmd $message_set (FLAGS)"; + else // 4 + $request = " $cmd $message_set (INTERNALDATE$deleted)"; + + $request = $key . $request; + + if (!$this->putLine($request)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - - $result = array(); - - do { - $line = rtrim($this->readLine(200)); - $line = $this->multLine($line); - - if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { - $id = $m[1]; - $flags = NULL; - - if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { - $flags = explode(' ', strtoupper($matches[1])); - if (in_array('\\DELETED', $flags)) { - $deleted[$id] = $id; - continue; - } - } - - if ($mode == 1 && $index_field == 'DATE') { - if (preg_match('/BODY\[HEADER\.FIELDS \("*DATE"*\)\] (.*)/', $line, $matches)) { - $value = preg_replace(array('/^"*[a-z]+:/i'), '', $matches[1]); - $value = trim($value); - $result[$id] = $this->strToTime($value); - } - // non-existent/empty Date: header, use INTERNALDATE - if (empty($result[$id])) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) - $result[$id] = $this->strToTime($matches[1]); - else - $result[$id] = 0; - } - } else if ($mode == 1) { - if (preg_match('/BODY\[HEADER\.FIELDS \("?(FROM|REPLY-TO|SENDER|TO|SUBJECT)"?\)\] (.*)/', $line, $matches)) { - $value = preg_replace(array('/^"*[a-z]+:/i', '/\s+$/sm'), array('', ''), $matches[2]); - $result[$id] = trim($value); - } else { - $result[$id] = ''; - } - } else if ($mode == 2) { - if (preg_match('/\((UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { - $result[$id] = trim($matches[2]); - } else { - $result[$id] = 0; - } - } else if ($mode == 3) { - if (!$flags && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { - $flags = explode(' ', $matches[1]); - } - $result[$id] = in_array('\\'.$index_field, $flags) ? 1 : 0; - } else if ($mode == 4) { - if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { - $result[$id] = $this->strToTime($matches[1]); - } else { - $result[$id] = 0; - } - } - } - } while (!$this->startsWith($line, $key, true, true)); - - return $result; + return false; + } + + $result = array(); + + do { + $line = rtrim($this->readLine(200)); + $line = $this->multLine($line); + + if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { + $id = $m[1]; + $flags = NULL; + + if ($skip_deleted && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { + $flags = explode(' ', strtoupper($matches[1])); + if (in_array('\\DELETED', $flags)) { + $deleted[$id] = $id; + continue; + } + } + + if ($mode == 1 && $index_field == 'DATE') { + if (preg_match('/BODY\[HEADER\.FIELDS \("*DATE"*\)\] (.*)/', $line, $matches)) { + $value = preg_replace(array('/^"*[a-z]+:/i'), '', $matches[1]); + $value = trim($value); + $result[$id] = $this->strToTime($value); + } + // non-existent/empty Date: header, use INTERNALDATE + if (empty($result[$id])) { + if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) + $result[$id] = $this->strToTime($matches[1]); + else + $result[$id] = 0; + } + } else if ($mode == 1) { + if (preg_match('/BODY\[HEADER\.FIELDS \("?(FROM|REPLY-TO|SENDER|TO|SUBJECT)"?\)\] (.*)/', $line, $matches)) { + $value = preg_replace(array('/^"*[a-z]+:/i', '/\s+$/sm'), array('', ''), $matches[2]); + $result[$id] = trim($value); + } else { + $result[$id] = ''; + } + } else if ($mode == 2) { + if (preg_match('/\((UID|RFC822\.SIZE) ([0-9]+)/', $line, $matches)) { + $result[$id] = trim($matches[2]); + } else { + $result[$id] = 0; + } + } else if ($mode == 3) { + if (!$flags && preg_match('/FLAGS \(([^)]+)\)/', $line, $matches)) { + $flags = explode(' ', $matches[1]); + } + $result[$id] = in_array('\\'.$index_field, $flags) ? 1 : 0; + } else if ($mode == 4) { + if (preg_match('/INTERNALDATE "([^"]+)"/', $line, $matches)) { + $result[$id] = $this->strToTime($matches[1]); + } else { + $result[$id] = 0; + } + } + } + } while (!$this->startsWith($line, $key, true, true)); + + return $result; } static function compressMessageSet($messages, $force=false) { - // given a comma delimited list of independent mid's, - // compresses by grouping sequences together + // given a comma delimited list of independent mid's, + // compresses by grouping sequences together if (!is_array($messages)) { - // if less than 255 bytes long, let's not bother - if (!$force && strlen($messages)<255) { - return $messages; - } - - // see if it's already been compressed - if (strpos($messages, ':') !== false) { - return $messages; - } + // if less than 255 bytes long, let's not bother + if (!$force && strlen($messages)<255) { + return $messages; + } + + // see if it's already been compressed + if (strpos($messages, ':') !== false) { + return $messages; + } - // separate, then sort - $messages = explode(',', $messages); + // separate, then sort + $messages = explode(',', $messages); } - sort($messages); + sort($messages); - $result = array(); - $start = $prev = $messages[0]; - - foreach ($messages as $id) { - $incr = $id - $prev; - if ($incr > 1) { //found a gap - if ($start == $prev) { - $result[] = $prev; //push single id - } else { - $result[] = $start . ':' . $prev; //push sequence as start_id:end_id - } - $start = $id; //start of new sequence - } - $prev = $id; - } + $result = array(); + $start = $prev = $messages[0]; + + foreach ($messages as $id) { + $incr = $id - $prev; + if ($incr > 1) { // found a gap + if ($start == $prev) { + $result[] = $prev; // push single id + } else { + $result[] = $start . ':' . $prev; // push sequence as start_id:end_id + } + $start = $id; // start of new sequence + } + $prev = $id; + } - // handle the last sequence/id - if ($start == $prev) { - $result[] = $prev; - } else { - $result[] = $start.':'.$prev; - } + // handle the last sequence/id + if ($start == $prev) { + $result[] = $prev; + } else { + $result[] = $start.':'.$prev; + } - // return as comma separated string - return implode(',', $result); + // return as comma separated string + return implode(',', $result); } static function uncompressMessageSet($messages) { - $result = array(); - $messages = explode(',', $messages); + $result = array(); + $messages = explode(',', $messages); foreach ($messages as $part) { $items = explode(':', $part); @@ -1196,13 +1362,13 @@ class rcube_imap_generic */ function UID2ID($mailbox, $uid) { - if ($uid > 0) { - $id_a = $this->search($mailbox, "UID $uid"); - if (is_array($id_a) && count($id_a) == 1) { - return (int) $id_a[0]; - } - } - return null; + if ($uid > 0) { + $id_a = $this->search($mailbox, "UID $uid"); + if (is_array($id_a) && count($id_a) == 1) { + return (int) $id_a[0]; + } + } + return null; } /** @@ -1216,417 +1382,408 @@ class rcube_imap_generic */ function ID2UID($mailbox, $id) { - if (empty($id) || $id < 0) { - return null; - } + if (empty($id) || $id < 0) { + return null; + } - if (!$this->select($mailbox)) { + if (!$this->select($mailbox)) { return null; } list($code, $response) = $this->execute('FETCH', array($id, '(UID)')); if ($code == self::ERROR_OK && preg_match("/^\* $id FETCH \(UID (.*)\)/i", $response, $m)) { - return (int) $m[1]; + return (int) $m[1]; } - return null; + return null; } function fetchUIDs($mailbox, $message_set=null) { - if (is_array($message_set)) - $message_set = join(',', $message_set); + if (is_array($message_set)) + $message_set = join(',', $message_set); else if (empty($message_set)) - $message_set = '1:*'; + $message_set = '1:*'; - return $this->fetchHeaderIndex($mailbox, $message_set, 'UID', false); + return $this->fetchHeaderIndex($mailbox, $message_set, 'UID', false); } function fetchHeaders($mailbox, $message_set, $uidfetch=false, $bodystr=false, $add='') { - $result = array(); + $result = array(); - if (!$this->select($mailbox)) { - return false; - } + if (!$this->select($mailbox)) { + return false; + } - $message_set = $this->compressMessageSet($message_set); + $message_set = $this->compressMessageSet($message_set); - if ($add) - $add = ' '.trim($add); + if ($add) + $add = ' '.trim($add); - /* FETCH uid, size, flags and headers */ - $key = $this->nextTag(); - $request = $key . ($uidfetch ? ' UID' : '') . " FETCH $message_set "; - $request .= "(UID RFC822.SIZE FLAGS INTERNALDATE "; - if ($bodystr) - $request .= "BODYSTRUCTURE "; - $request .= "BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT CONTENT-TYPE "; - $request .= "LIST-POST DISPOSITION-NOTIFICATION-TO".$add.")])"; + /* FETCH uid, size, flags and headers */ + $key = $this->nextTag(); + $request = $key . ($uidfetch ? ' UID' : '') . " FETCH $message_set "; + $request .= "(UID RFC822.SIZE FLAGS INTERNALDATE "; + if ($bodystr) + $request .= "BODYSTRUCTURE "; + $request .= "BODY.PEEK[HEADER.FIELDS (DATE FROM TO SUBJECT CONTENT-TYPE "; + $request .= "LIST-POST DISPOSITION-NOTIFICATION-TO".$add.")])"; - if (!$this->putLine($request)) { + if (!$this->putLine($request)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - do { - $line = $this->readLine(4096); - $line = $this->multLine($line); + return false; + } + do { + $line = $this->readLine(4096); + $line = $this->multLine($line); if (!$line) break; - if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { - $id = intval($m[1]); - - $result[$id] = new rcube_mail_header; - $result[$id]->id = $id; - $result[$id]->subject = ''; - $result[$id]->messageID = 'mid:' . $id; - - $lines = array(); - $ln = 0; - - // Sample reply line: - // * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen) - // INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...) - // BODY[HEADER.FIELDS ... - - if (preg_match('/^\* [0-9]+ FETCH \((.*) BODY/s', $line, $matches)) { - $str = $matches[1]; - - // swap parents with quotes, then explode - $str = preg_replace('/[()]/', '"', $str); - $a = rcube_explode_quoted_string(' ', $str); - - // did we get the right number of replies? - $parts_count = count($a); - if ($parts_count>=6) { - for ($i=0; $i<$parts_count; $i=$i+2) { - if ($a[$i] == 'UID') - $result[$id]->uid = intval($a[$i+1]); - else if ($a[$i] == 'RFC822.SIZE') - $result[$id]->size = intval($a[$i+1]); - else if ($a[$i] == 'INTERNALDATE') - $time_str = $a[$i+1]; - else if ($a[$i] == 'FLAGS') - $flags_str = $a[$i+1]; - } - - $time_str = str_replace('"', '', $time_str); - - // if time is gmt... - $time_str = str_replace('GMT','+0000',$time_str); - - $result[$id]->internaldate = $time_str; - $result[$id]->timestamp = $this->StrToTime($time_str); - $result[$id]->date = $time_str; - } - - // BODYSTRUCTURE - if($bodystr) { - while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/s', $line, $m)) { - $line2 = $this->readLine(1024); - $line .= $this->multLine($line2, true); - } - $result[$id]->body_structure = $m[1]; - } - - // the rest of the result - preg_match('/ BODY\[HEADER.FIELDS \(.*?\)\]\s*(.*)$/s', $line, $m); - $reslines = explode("\n", trim($m[1], '"')); - // re-parse (see below) - foreach ($reslines as $resln) { - if (ord($resln[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($resln); - } else { - $lines[++$ln] = trim($resln); - } - } - } - - // Start parsing headers. The problem is, some header "lines" take up multiple lines. - // So, we'll read ahead, and if the one we're reading now is a valid header, we'll - // process the previous line. Otherwise, we'll keep adding the strings until we come - // to the next valid header line. - - do { - $line = rtrim($this->readLine(300), "\r\n"); - - // The preg_match below works around communigate imap, which outputs " UID <number>)". - // Without this, the while statement continues on and gets the "FH0 OK completed" message. - // If this loop gets the ending message, then the outer loop does not receive it from radline on line 1249. - // This in causes the if statement on line 1278 to never be true, which causes the headers to end up missing - // If the if statement was changed to pick up the fh0 from this loop, then it causes the outer loop to spin - // An alternative might be: - // if (!preg_match("/:/",$line) && preg_match("/\)$/",$line)) break; - // however, unsure how well this would work with all imap clients. - if (preg_match("/^\s*UID [0-9]+\)$/", $line)) { - break; - } - - // handle FLAGS reply after headers (AOL, Zimbra?) - if (preg_match('/\s+FLAGS \((.*)\)\)$/', $line, $matches)) { - $flags_str = $matches[1]; - break; - } - - if (ord($line[0])<=32) { - $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($line); - } else { - $lines[++$ln] = trim($line); - } - // patch from "Maksim Rubis" <siburny@hotmail.com> - } while ($line[0] != ')' && !$this->startsWith($line, $key, true)); - - if (strncmp($line, $key, strlen($key))) { - // process header, fill rcube_mail_header obj. - // initialize - if (is_array($headers)) { - reset($headers); - while (list($k, $bar) = each($headers)) { - $headers[$k] = ''; - } - } - - // create array with header field:data - while ( list($lines_key, $str) = each($lines) ) { - list($field, $string) = $this->splitHeaderLine($str); - - $field = strtolower($field); - $string = preg_replace('/\n\s*/', ' ', $string); - - switch ($field) { - case 'date'; - $result[$id]->date = $string; - $result[$id]->timestamp = $this->strToTime($string); - break; - case 'from': - $result[$id]->from = $string; - break; - case 'to': - $result[$id]->to = preg_replace('/undisclosed-recipients:[;,]*/', '', $string); - break; - case 'subject': - $result[$id]->subject = $string; - break; - case 'reply-to': - $result[$id]->replyto = $string; - break; - case 'cc': - $result[$id]->cc = $string; - break; - case 'bcc': - $result[$id]->bcc = $string; - break; - case 'content-transfer-encoding': - $result[$id]->encoding = $string; - break; - case 'content-type': - $ctype_parts = preg_split('/[; ]/', $string); - $result[$id]->ctype = array_shift($ctype_parts); - if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) { - $result[$id]->charset = $regs[1]; - } - break; - case 'in-reply-to': - $result[$id]->in_reply_to = str_replace(array("\n", '<', '>'), '', $string); - break; - case 'references': - $result[$id]->references = $string; - break; - case 'return-receipt-to': - case 'disposition-notification-to': - case 'x-confirm-reading-to': - $result[$id]->mdn_to = $string; - break; - case 'message-id': - $result[$id]->messageID = $string; - break; - case 'x-priority': - if (preg_match('/^(\d+)/', $string, $matches)) - $result[$id]->priority = intval($matches[1]); - break; - default: - if (strlen($field) > 2) - $result[$id]->others[$field] = $string; - break; - } // end switch () - } // end while () - } - - // process flags - if (!empty($flags_str)) { - $flags_str = preg_replace('/[\\\"]/', '', $flags_str); - $flags_a = explode(' ', $flags_str); - - if (is_array($flags_a)) { - foreach($flags_a as $flag) { - $flag = strtoupper($flag); - if ($flag == 'SEEN') { - $result[$id]->seen = true; - } else if ($flag == 'DELETED') { - $result[$id]->deleted = true; - } else if ($flag == 'RECENT') { - $result[$id]->recent = true; - } else if ($flag == 'ANSWERED') { - $result[$id]->answered = true; - } else if ($flag == '$FORWARDED') { - $result[$id]->forwarded = true; - } else if ($flag == 'DRAFT') { - $result[$id]->is_draft = true; - } else if ($flag == '$MDNSENT') { - $result[$id]->mdn_sent = true; - } else if ($flag == 'FLAGGED') { - $result[$id]->flagged = true; - } - } - $result[$id]->flags = $flags_a; - } - } - } - } while (!$this->startsWith($line, $key, true)); - - return $result; + if (preg_match('/^\* ([0-9]+) FETCH/', $line, $m)) { + $id = intval($m[1]); + + $result[$id] = new rcube_mail_header; + $result[$id]->id = $id; + $result[$id]->subject = ''; + $result[$id]->messageID = 'mid:' . $id; + + $lines = array(); + $ln = 0; + + // Sample reply line: + // * 321 FETCH (UID 2417 RFC822.SIZE 2730 FLAGS (\Seen) + // INTERNALDATE "16-Nov-2008 21:08:46 +0100" BODYSTRUCTURE (...) + // BODY[HEADER.FIELDS ... + + if (preg_match('/^\* [0-9]+ FETCH \((.*) BODY/s', $line, $matches)) { + $str = $matches[1]; + + // swap parents with quotes, then explode + $str = preg_replace('/[()]/', '"', $str); + $a = rcube_explode_quoted_string(' ', $str); + + // did we get the right number of replies? + $parts_count = count($a); + if ($parts_count>=6) { + for ($i=0; $i<$parts_count; $i=$i+2) { + if ($a[$i] == 'UID') { + $result[$id]->uid = intval($a[$i+1]); + } + else if ($a[$i] == 'RFC822.SIZE') { + $result[$id]->size = intval($a[$i+1]); + } + else if ($a[$i] == 'INTERNALDATE') { + $time_str = $a[$i+1]; + } + else if ($a[$i] == 'FLAGS') { + $flags_str = $a[$i+1]; + } + } + + $time_str = str_replace('"', '', $time_str); + + // if time is gmt... + $time_str = str_replace('GMT','+0000',$time_str); + + $result[$id]->internaldate = $time_str; + $result[$id]->timestamp = $this->StrToTime($time_str); + $result[$id]->date = $time_str; + } + + // BODYSTRUCTURE + if ($bodystr) { + while (!preg_match('/ BODYSTRUCTURE (.*) BODY\[HEADER.FIELDS/s', $line, $m)) { + $line2 = $this->readLine(1024); + $line .= $this->multLine($line2, true); + } + $result[$id]->body_structure = $m[1]; + } + + // the rest of the result + if (preg_match('/ BODY\[HEADER.FIELDS \(.*?\)\]\s*(.*)$/s', $line, $m)) { + $reslines = explode("\n", trim($m[1], '"')); + // re-parse (see below) + foreach ($reslines as $resln) { + if (ord($resln[0])<=32) { + $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($resln); + } else { + $lines[++$ln] = trim($resln); + } + } + } + } + + // Start parsing headers. The problem is, some header "lines" take up multiple lines. + // So, we'll read ahead, and if the one we're reading now is a valid header, we'll + // process the previous line. Otherwise, we'll keep adding the strings until we come + // to the next valid header line. + + do { + $line = rtrim($this->readLine(300), "\r\n"); + + // The preg_match below works around communigate imap, which outputs " UID <number>)". + // Without this, the while statement continues on and gets the "FH0 OK completed" message. + // If this loop gets the ending message, then the outer loop does not receive it from radline on line 1249. + // This in causes the if statement on line 1278 to never be true, which causes the headers to end up missing + // If the if statement was changed to pick up the fh0 from this loop, then it causes the outer loop to spin + // An alternative might be: + // if (!preg_match("/:/",$line) && preg_match("/\)$/",$line)) break; + // however, unsure how well this would work with all imap clients. + if (preg_match("/^\s*UID [0-9]+\)$/", $line)) { + break; + } + + // handle FLAGS reply after headers (AOL, Zimbra?) + if (preg_match('/\s+FLAGS \((.*)\)\)$/', $line, $matches)) { + $flags_str = $matches[1]; + break; + } + + if (ord($line[0])<=32) { + $lines[$ln] .= (empty($lines[$ln])?'':"\n").trim($line); + } else { + $lines[++$ln] = trim($line); + } + // patch from "Maksim Rubis" <siburny@hotmail.com> + } while ($line[0] != ')' && !$this->startsWith($line, $key, true)); + + if (strncmp($line, $key, strlen($key))) { + // process header, fill rcube_mail_header obj. + // initialize + if (is_array($headers)) { + reset($headers); + while (list($k, $bar) = each($headers)) { + $headers[$k] = ''; + } + } + + // create array with header field:data + while (list($lines_key, $str) = each($lines)) { + list($field, $string) = $this->splitHeaderLine($str); + + $field = strtolower($field); + $string = preg_replace('/\n\s*/', ' ', $string); + + switch ($field) { + case 'date'; + $result[$id]->date = $string; + $result[$id]->timestamp = $this->strToTime($string); + break; + case 'from': + $result[$id]->from = $string; + break; + case 'to': + $result[$id]->to = preg_replace('/undisclosed-recipients:[;,]*/', '', $string); + break; + case 'subject': + $result[$id]->subject = $string; + break; + case 'reply-to': + $result[$id]->replyto = $string; + break; + case 'cc': + $result[$id]->cc = $string; + break; + case 'bcc': + $result[$id]->bcc = $string; + break; + case 'content-transfer-encoding': + $result[$id]->encoding = $string; + break; + case 'content-type': + $ctype_parts = preg_split('/[; ]/', $string); + $result[$id]->ctype = array_shift($ctype_parts); + if (preg_match('/charset\s*=\s*"?([a-z0-9\-\.\_]+)"?/i', $string, $regs)) { + $result[$id]->charset = $regs[1]; + } + break; + case 'in-reply-to': + $result[$id]->in_reply_to = str_replace(array("\n", '<', '>'), '', $string); + break; + case 'references': + $result[$id]->references = $string; + break; + case 'return-receipt-to': + case 'disposition-notification-to': + case 'x-confirm-reading-to': + $result[$id]->mdn_to = $string; + break; + case 'message-id': + $result[$id]->messageID = $string; + break; + case 'x-priority': + if (preg_match('/^(\d+)/', $string, $matches)) { + $result[$id]->priority = intval($matches[1]); + } + break; + default: + if (strlen($field) > 2) { + $result[$id]->others[$field] = $string; + } + break; + } // end switch () + } // end while () + } + + // process flags + if (!empty($flags_str)) { + $flags_str = preg_replace('/[\\\"]/', '', $flags_str); + $flags_a = explode(' ', $flags_str); + + if (is_array($flags_a)) { + foreach($flags_a as $flag) { + $flag = strtoupper($flag); + if ($flag == 'SEEN') { + $result[$id]->seen = true; + } else if ($flag == 'DELETED') { + $result[$id]->deleted = true; + } else if ($flag == 'RECENT') { + $result[$id]->recent = true; + } else if ($flag == 'ANSWERED') { + $result[$id]->answered = true; + } else if ($flag == '$FORWARDED') { + $result[$id]->forwarded = true; + } else if ($flag == 'DRAFT') { + $result[$id]->is_draft = true; + } else if ($flag == '$MDNSENT') { + $result[$id]->mdn_sent = true; + } else if ($flag == 'FLAGGED') { + $result[$id]->flagged = true; + } + } + $result[$id]->flags = $flags_a; + } + } + } + } while (!$this->startsWith($line, $key, true)); + + return $result; } function fetchHeader($mailbox, $id, $uidfetch=false, $bodystr=false, $add='') { - $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); - if (is_array($a)) { - return array_shift($a); - } - return false; + $a = $this->fetchHeaders($mailbox, $id, $uidfetch, $bodystr, $add); + if (is_array($a)) { + return array_shift($a); + } + return false; } function sortHeaders($a, $field, $flag) { - if (empty($field)) { - $field = 'uid'; - } + if (empty($field)) { + $field = 'uid'; + } else { - $field = strtolower($field); - } - - if ($field == 'date' || $field == 'internaldate') { - $field = 'timestamp'; - } - - if (empty($flag)) { - $flag = 'ASC'; - } else { - $flag = strtoupper($flag); - } - - $c = count($a); - if ($c > 0) { - // Strategy: - // First, we'll create an "index" array. - // Then, we'll use sort() on that array, - // and use that to sort the main array. - - // create "index" array - $index = array(); - reset($a); - while (list($key, $val) = each($a)) { - if ($field == 'timestamp') { - $data = $this->strToTime($val->date); - if (!$data) { - $data = $val->timestamp; - } - } else { - $data = $val->$field; - if (is_string($data)) { - $data = str_replace('"', '', $data); - if ($field == 'subject') { - $data = preg_replace('/^(Re: \s*|Fwd:\s*|Fw:\s*)+/i', '', $data); - } - $data = strtoupper($data); - } - } - $index[$key] = $data; - } - - // sort index - if ($flag == 'ASC') { - asort($index); - } else { - arsort($index); - } - - // form new array based on index - $result = array(); - reset($index); - while (list($key, $val) = each($index)) { - $result[$key] = $a[$key]; - } - } - - return $result; - } + $field = strtolower($field); + } - function expunge($mailbox, $messages=NULL) - { - if (!$this->select($mailbox)) { - return false; + if ($field == 'date' || $field == 'internaldate') { + $field = 'timestamp'; } - // Clear internal status cache - unset($this->data['STATUS:'.$mailbox]); + if (empty($flag)) { + $flag = 'ASC'; + } else { + $flag = strtoupper($flag); + } - if ($messages) - $result = $this->execute('UID EXPUNGE', array($messages), self::COMMAND_NORESPONSE); - else - $result = $this->execute('EXPUNGE', null, self::COMMAND_NORESPONSE); + $c = count($a); + if ($c > 0) { + // Strategy: + // First, we'll create an "index" array. + // Then, we'll use sort() on that array, + // and use that to sort the main array. - if ($result == self::ERROR_OK) { - $this->selected = ''; // state has changed, need to reselect - return true; - } + // create "index" array + $index = array(); + reset($a); + while (list($key, $val) = each($a)) { + if ($field == 'timestamp') { + $data = $this->strToTime($val->date); + if (!$data) { + $data = $val->timestamp; + } + } else { + $data = $val->$field; + if (is_string($data)) { + $data = str_replace('"', '', $data); + if ($field == 'subject') { + $data = preg_replace('/^(Re: \s*|Fwd:\s*|Fw:\s*)+/i', '', $data); + } + $data = strtoupper($data); + } + } + $index[$key] = $data; + } + + // sort index + if ($flag == 'ASC') { + asort($index); + } else { + arsort($index); + } + + // form new array based on index + $result = array(); + reset($index); + while (list($key, $val) = each($index)) { + $result[$key] = $a[$key]; + } + } - return false; + return $result; } + function modFlag($mailbox, $messages, $flag, $mod) { - if ($mod != '+' && $mod != '-') { + if ($mod != '+' && $mod != '-') { $mod = '+'; - } + } + + if (!$this->select($mailbox)) { + return false; + } - if (!$this->select($mailbox)) { - return false; - } + if (!$this->data['READ-WRITE']) { + $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + return false; + } // Clear internal status cache if ($flag == 'SEEN') { unset($this->data['STATUS:'.$mailbox]['UNSEEN']); } - $flag = $this->flags[strtoupper($flag)]; + $flag = $this->flags[strtoupper($flag)]; $result = $this->execute('UID STORE', array( $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } function flag($mailbox, $messages, $flag) { - return $this->modFlag($mailbox, $messages, $flag, '+'); + return $this->modFlag($mailbox, $messages, $flag, '+'); } function unflag($mailbox, $messages, $flag) { - return $this->modFlag($mailbox, $messages, $flag, '-'); + return $this->modFlag($mailbox, $messages, $flag, '-'); } function delete($mailbox, $messages) { - return $this->modFlag($mailbox, $messages, 'DELETED', '+'); + return $this->modFlag($mailbox, $messages, 'DELETED', '+'); } function copy($messages, $from, $to) { - if (!$this->select($from)) { - return false; - } + if (!$this->select($from)) { + return false; + } // Clear internal status cache unset($this->data['STATUS:'.$to]); @@ -1635,11 +1792,20 @@ class rcube_imap_generic $this->compressMessageSet($messages), $this->escape($to)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } function move($messages, $from, $to) { + if (!$this->select($from)) { + return false; + } + + if (!$this->data['READ-WRITE']) { + $this->setError(self::ERROR_READONLY, "Mailbox is read-only", 'STORE'); + return false; + } + $r = $this->copy($messages, $from, $to); if ($r) { @@ -1656,76 +1822,76 @@ class rcube_imap_generic // http://derickrethans.nl/files/phparch-php-variables-article.pdf private function parseThread($str, $begin, $end, $root, $parent, $depth, &$depthmap, &$haschildren) { - $node = array(); - if ($str[$begin] != '(') { - $stop = $begin + strspn($str, '1234567890', $begin, $end - $begin); - $msg = substr($str, $begin, $stop - $begin); - if ($msg == 0) - return $node; - if (is_null($root)) - $root = $msg; - $depthmap[$msg] = $depth; - $haschildren[$msg] = false; - if (!is_null($parent)) - $haschildren[$parent] = true; - if ($stop + 1 < $end) - $node[$msg] = $this->parseThread($str, $stop + 1, $end, $root, $msg, $depth + 1, $depthmap, $haschildren); - else - $node[$msg] = array(); - } else { - $off = $begin; - while ($off < $end) { - $start = $off; - $off++; - $n = 1; - while ($n > 0) { - $p = strpos($str, ')', $off); - if ($p === false) { - error_log('Mismatched brackets parsing IMAP THREAD response:'); - error_log(substr($str, ($begin < 10) ? 0 : ($begin - 10), $end - $begin + 20)); - error_log(str_repeat(' ', $off - (($begin < 10) ? 0 : ($begin - 10)))); - return $node; - } - $p1 = strpos($str, '(', $off); - if ($p1 !== false && $p1 < $p) { - $off = $p1 + 1; - $n++; - } else { - $off = $p + 1; - $n--; - } - } - $node += $this->parseThread($str, $start + 1, $off - 1, $root, $parent, $depth, $depthmap, $haschildren); - } - } - - return $node; + $node = array(); + if ($str[$begin] != '(') { + $stop = $begin + strspn($str, '1234567890', $begin, $end - $begin); + $msg = substr($str, $begin, $stop - $begin); + if ($msg == 0) + return $node; + if (is_null($root)) + $root = $msg; + $depthmap[$msg] = $depth; + $haschildren[$msg] = false; + if (!is_null($parent)) + $haschildren[$parent] = true; + if ($stop + 1 < $end) + $node[$msg] = $this->parseThread($str, $stop + 1, $end, $root, $msg, $depth + 1, $depthmap, $haschildren); + else + $node[$msg] = array(); + } else { + $off = $begin; + while ($off < $end) { + $start = $off; + $off++; + $n = 1; + while ($n > 0) { + $p = strpos($str, ')', $off); + if ($p === false) { + error_log("Mismatched brackets parsing IMAP THREAD response:"); + error_log(substr($str, ($begin < 10) ? 0 : ($begin - 10), $end - $begin + 20)); + error_log(str_repeat(' ', $off - (($begin < 10) ? 0 : ($begin - 10)))); + return $node; + } + $p1 = strpos($str, '(', $off); + if ($p1 !== false && $p1 < $p) { + $off = $p1 + 1; + $n++; + } else { + $off = $p + 1; + $n--; + } + } + $node += $this->parseThread($str, $start + 1, $off - 1, $root, $parent, $depth, $depthmap, $haschildren); + } + } + + return $node; } function thread($mailbox, $algorithm='REFERENCES', $criteria='', $encoding='US-ASCII') { $old_sel = $this->selected; - if (!$this->select($mailbox)) { - return false; - } + if (!$this->select($mailbox)) { + return false; + } // return empty result when folder is empty and we're just after SELECT if ($old_sel != $mailbox && !$this->data['EXISTS']) { return array(array(), array(), array()); - } + } - $encoding = $encoding ? trim($encoding) : 'US-ASCII'; - $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; - $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; + $encoding = $encoding ? trim($encoding) : 'US-ASCII'; + $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES'; + $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL'; $data = ''; list($code, $response) = $this->execute('THREAD', array( $algorithm, $encoding, $criteria)); - if ($code == self::ERROR_OK && preg_match('/^\* THREAD /i', $response)) { - // remove prefix and \r\n from raw response - $response = str_replace("\r\n", '', substr($response, 9)); + if ($code == self::ERROR_OK && preg_match('/^\* THREAD /i', $response)) { + // remove prefix and \r\n from raw response + $response = str_replace("\r\n", '', substr($response, 9)); $depthmap = array(); $haschildren = array(); @@ -1733,9 +1899,9 @@ class rcube_imap_generic null, null, 0, $depthmap, $haschildren); return array($tree, $depthmap, $haschildren); - } + } - return false; + return false; } /** @@ -1752,9 +1918,9 @@ class rcube_imap_generic { $old_sel = $this->selected; - if (!$this->select($mailbox)) { - return false; - } + if (!$this->select($mailbox)) { + return false; + } // return empty result when folder is empty and we're just after SELECT if ($old_sel != $mailbox && !$this->data['EXISTS']) { @@ -1762,7 +1928,7 @@ class rcube_imap_generic return array_combine($items, array_fill(0, count($items), 0)); else return array(); - } + } $esearch = empty($items) ? false : $this->getCapability('ESEARCH'); $criteria = trim($criteria); @@ -1779,13 +1945,13 @@ class rcube_imap_generic $params .= 'ALL'; } - list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH', - array($params)); + list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH', + array($params)); - if ($code == self::ERROR_OK) { - // remove prefix and \r\n from raw response + if ($code == self::ERROR_OK) { + // remove prefix and \r\n from raw response $response = substr($response, $esearch ? 10 : 9); - $response = str_replace("\r\n", '', $response); + $response = str_replace("\r\n", '', $response); if ($esearch) { // Skip prefix: ... (TAG "A285") UID ... @@ -1803,29 +1969,33 @@ class rcube_imap_generic return $result; } - else { + else { $response = preg_split('/\s+/', $response, -1, PREG_SPLIT_NO_EMPTY); if (!empty($items)) { $result = array(); - if (in_array('COUNT', $items)) + if (in_array('COUNT', $items)) { $result['COUNT'] = count($response); - if (in_array('MIN', $items)) + } + if (in_array('MIN', $items)) { $result['MIN'] = !empty($response) ? min($response) : 0; - if (in_array('MAX', $items)) + } + if (in_array('MAX', $items)) { $result['MAX'] = !empty($response) ? max($response) : 0; - if (in_array('ALL', $items)) + } + if (in_array('ALL', $items)) { $result['ALL'] = $this->compressMessageSet($response, true); + } return $result; } else { return $response; } - } + } } - return false; + return false; } /** @@ -1879,9 +2049,9 @@ class rcube_imap_generic private function _listMailboxes($ref, $mailbox, $subscribed=false, $status_opts=array(), $select_opts=array()) { - if (!strlen($mailbox)) { - $mailbox = '*'; - } + if (!strlen($mailbox)) { + $mailbox = '*'; + } $args = array(); @@ -1913,7 +2083,7 @@ class rcube_imap_generic // Add to result array if (!$lstatus) { - $folders[] = $mailbox; + $folders[] = $mailbox; } else { $folders[$mailbox] = array(); @@ -1937,406 +2107,378 @@ class rcube_imap_generic $folders[$mailbox][$name] = $value; } } - } + } return $folders; } - return false; + return false; } function fetchMIMEHeaders($mailbox, $id, $parts, $mime=true) { - if (!$this->select($mailbox)) { - return false; - } + if (!$this->select($mailbox)) { + return false; + } - $result = false; - $parts = (array) $parts; - $key = $this->nextTag(); - $peeks = ''; - $idx = 0; + $result = false; + $parts = (array) $parts; + $key = $this->nextTag(); + $peeks = ''; + $idx = 0; $type = $mime ? 'MIME' : 'HEADER'; - // format request - foreach($parts as $part) - $peeks[] = "BODY.PEEK[$part.$type]"; + // format request + foreach($parts as $part) { + $peeks[] = "BODY.PEEK[$part.$type]"; + } - $request = "$key FETCH $id (" . implode(' ', $peeks) . ')'; + $request = "$key FETCH $id (" . implode(' ', $peeks) . ')'; - // send request - if (!$this->putLine($request)) { + // send request + if (!$this->putLine($request)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } + return false; + } - do { - $line = $this->readLine(1024); - $line = $this->multLine($line); + do { + $line = $this->readLine(1024); + $line = $this->multLine($line); - if (preg_match('/BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { - $idx = $matches[1]; - $result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.'.$type.'\]\s+/', '', $line); - $result[$idx] = trim($result[$idx], '"'); - $result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B"); - } - } while (!$this->startsWith($line, $key, true)); + if (preg_match('/BODY\[([0-9\.]+)\.'.$type.'\]/', $line, $matches)) { + $idx = $matches[1]; + $result[$idx] = preg_replace('/^(\* '.$id.' FETCH \()?\s*BODY\['.$idx.'\.'.$type.'\]\s+/', '', $line); + $result[$idx] = trim($result[$idx], '"'); + $result[$idx] = rtrim($result[$idx], "\t\r\n\0\x0B"); + } + } while (!$this->startsWith($line, $key, true)); - return $result; + return $result; } function fetchPartHeader($mailbox, $id, $is_uid=false, $part=NULL) { - $part = empty($part) ? 'HEADER' : $part.'.MIME'; + $part = empty($part) ? 'HEADER' : $part.'.MIME'; return $this->handlePartBody($mailbox, $id, $is_uid, $part); } function handlePartBody($mailbox, $id, $is_uid=false, $part='', $encoding=NULL, $print=NULL, $file=NULL) { - if (!$this->select($mailbox)) { + if (!$this->select($mailbox)) { return false; } - switch ($encoding) { - case 'base64': - $mode = 1; - break; - case 'quoted-printable': - $mode = 2; - break; - case 'x-uuencode': - case 'x-uue': - case 'uue': - case 'uuencode': - $mode = 3; - break; - default: - $mode = 0; - } - - // format request - $reply_key = '* ' . $id; - $key = $this->nextTag(); - $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id (BODY.PEEK[$part])"; - - // send request - if (!$this->putLine($request)) { + switch ($encoding) { + case 'base64': + $mode = 1; + break; + case 'quoted-printable': + $mode = 2; + break; + case 'x-uuencode': + case 'x-uue': + case 'uue': + case 'uuencode': + $mode = 3; + break; + default: + $mode = 0; + } + + // format request + $reply_key = '* ' . $id; + $key = $this->nextTag(); + $request = $key . ($is_uid ? ' UID' : '') . " FETCH $id (BODY.PEEK[$part])"; + + // send request + if (!$this->putLine($request)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); - return false; - } - - // receive reply line - do { - $line = rtrim($this->readLine(1024)); - $a = explode(' ', $line); - } while (!($end = $this->startsWith($line, $key, true)) && $a[2] != 'FETCH'); - - $len = strlen($line); - $result = false; - - // handle empty "* X FETCH ()" response - if ($line[$len-1] == ')' && $line[$len-2] != '(') { - // one line response, get everything between first and last quotes - if (substr($line, -4, 3) == 'NIL') { - // NIL response - $result = ''; - } else { - $from = strpos($line, '"') + 1; - $to = strrpos($line, '"'); - $len = $to - $from; - $result = substr($line, $from, $len); - } - - if ($mode == 1) - $result = base64_decode($result); - else if ($mode == 2) - $result = quoted_printable_decode($result); - else if ($mode == 3) - $result = convert_uudecode($result); - - } else if ($line[$len-1] == '}') { - // multi-line request, find sizes of content and receive that many bytes - $from = strpos($line, '{') + 1; - $to = strrpos($line, '}'); - $len = $to - $from; - $sizeStr = substr($line, $from, $len); - $bytes = (int)$sizeStr; - $prev = ''; - - while ($bytes > 0) { - $line = $this->readLine(4096); - - if ($line === NULL) - break; - - $len = strlen($line); - - if ($len > $bytes) { - $line = substr($line, 0, $bytes); - $len = strlen($line); - } - $bytes -= $len; + return false; + } + + // receive reply line + do { + $line = rtrim($this->readLine(1024)); + $a = explode(' ', $line); + } while (!($end = $this->startsWith($line, $key, true)) && $a[2] != 'FETCH'); + + $len = strlen($line); + $result = false; + + // handle empty "* X FETCH ()" response + if ($line[$len-1] == ')' && $line[$len-2] != '(') { + // one line response, get everything between first and last quotes + if (substr($line, -4, 3) == 'NIL') { + // NIL response + $result = ''; + } else { + $from = strpos($line, '"') + 1; + $to = strrpos($line, '"'); + $len = $to - $from; + $result = substr($line, $from, $len); + } + + if ($mode == 1) { + $result = base64_decode($result); + } + else if ($mode == 2) { + $result = quoted_printable_decode($result); + } + else if ($mode == 3) { + $result = convert_uudecode($result); + } + + } else if ($line[$len-1] == '}') { + // multi-line request, find sizes of content and receive that many bytes + $from = strpos($line, '{') + 1; + $to = strrpos($line, '}'); + $len = $to - $from; + $sizeStr = substr($line, $from, $len); + $bytes = (int)$sizeStr; + $prev = ''; + + while ($bytes > 0) { + $line = $this->readLine(4096); + + if ($line === NULL) { + break; + } + + $len = strlen($line); + + if ($len > $bytes) { + $line = substr($line, 0, $bytes); + $len = strlen($line); + } + $bytes -= $len; // BASE64 - if ($mode == 1) { - $line = rtrim($line, "\t\r\n\0\x0B"); - // create chunks with proper length for base64 decoding - $line = $prev.$line; - $length = strlen($line); - if ($length % 4) { - $length = floor($length / 4) * 4; - $prev = substr($line, $length); - $line = substr($line, 0, $length); - } - else - $prev = ''; - $line = base64_decode($line); + if ($mode == 1) { + $line = rtrim($line, "\t\r\n\0\x0B"); + // create chunks with proper length for base64 decoding + $line = $prev.$line; + $length = strlen($line); + if ($length % 4) { + $length = floor($length / 4) * 4; + $prev = substr($line, $length); + $line = substr($line, 0, $length); + } + else + $prev = ''; + $line = base64_decode($line); // QUOTED-PRINTABLE - } else if ($mode == 2) { - $line = rtrim($line, "\t\r\0\x0B"); + } else if ($mode == 2) { + $line = rtrim($line, "\t\r\0\x0B"); $line = quoted_printable_decode($line); // Remove NULL characters (#1486189) $line = str_replace("\x00", '', $line); // UUENCODE - } else if ($mode == 3) { - $line = rtrim($line, "\t\r\n\0\x0B"); - if ($line == 'end' || preg_match('/^begin\s+[0-7]+\s+.+$/', $line)) - continue; + } else if ($mode == 3) { + $line = rtrim($line, "\t\r\n\0\x0B"); + if ($line == 'end' || preg_match('/^begin\s+[0-7]+\s+.+$/', $line)) + continue; $line = convert_uudecode($line); // default - } else { - $line = rtrim($line, "\t\r\n\0\x0B") . "\n"; - } - - if ($file) - fwrite($file, $line); - else if ($print) - echo $line; - else - $result .= $line; - } - } + } else { + $line = rtrim($line, "\t\r\n\0\x0B") . "\n"; + } - // read in anything up until last line - if (!$end) - do { - $line = $this->readLine(1024); - } while (!$this->startsWith($line, $key, true)); + if ($file) + fwrite($file, $line); + else if ($print) + echo $line; + else + $result .= $line; + } + } - if ($result !== false) { - if ($file) { - fwrite($file, $result); - } else if ($print) { - echo $result; - } else - return $result; - return true; - } + // read in anything up until last line + if (!$end) + do { + $line = $this->readLine(1024); + } while (!$this->startsWith($line, $key, true)); + + if ($result !== false) { + if ($file) { + fwrite($file, $result); + } else if ($print) { + echo $result; + } else + return $result; + return true; + } - return false; + return false; } function createFolder($mailbox) { $result = $this->execute('CREATE', array($this->escape($mailbox)), - self::COMMAND_NORESPONSE); + self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } function renameFolder($from, $to) { $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function deleteFolder($mailbox) - { - $result = $this->execute('DELETE', array($this->escape($mailbox)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function clearFolder($mailbox) - { - $num_in_trash = $this->countMessages($mailbox); - if ($num_in_trash > 0) { - $this->delete($mailbox, '1:*'); - } - return ($this->expunge($mailbox) >= 0); - } - - function subscribe($mailbox) - { - $result = $this->execute('SUBSCRIBE', array($this->escape($mailbox)), - self::COMMAND_NORESPONSE); - - return ($result == self::ERROR_OK); - } - - function unsubscribe($mailbox) - { - $result = $this->execute('UNSUBSCRIBE', array($this->escape($mailbox)), - self::COMMAND_NORESPONSE); + self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } function append($mailbox, &$message) { - if (!$mailbox) { - return false; - } + if (!$mailbox) { + return false; + } - $message = str_replace("\r", '', $message); - $message = str_replace("\n", "\r\n", $message); + $message = str_replace("\r", '', $message); + $message = str_replace("\n", "\r\n", $message); - $len = strlen($message); - if (!$len) { - return false; - } + $len = strlen($message); + if (!$len) { + return false; + } $key = $this->nextTag(); - $request = sprintf("$key APPEND %s (\\Seen) {%d%s}", $this->escape($mailbox), + $request = sprintf("$key APPEND %s (\\Seen) {%d%s}", $this->escape($mailbox), $len, ($this->prefs['literal+'] ? '+' : '')); - if ($this->putLine($request)) { + if ($this->putLine($request)) { // Don't wait when LITERAL+ is supported if (!$this->prefs['literal+']) { - $line = $this->readLine(512); + $line = $this->readReply(); - if ($line[0] != '+') { - $this->parseResult($line, 'APPEND: '); - return false; - } + if ($line[0] != '+') { + $this->parseResult($line, 'APPEND: '); + return false; + } } - if (!$this->putLine($message)) { + if (!$this->putLine($message)) { return false; } - do { - $line = $this->readLine(); - } while (!$this->startsWith($line, $key, true, true)); + do { + $line = $this->readLine(); + } while (!$this->startsWith($line, $key, true, true)); // Clear internal status cache unset($this->data['STATUS:'.$mailbox]); - return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); - } + return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); + } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); } - return false; + return false; } function appendFromFile($mailbox, $path, $headers=null) { - if (!$mailbox) { - return false; - } + if (!$mailbox) { + return false; + } - // open message file - $in_fp = false; - if (file_exists(realpath($path))) { - $in_fp = fopen($path, 'r'); - } - if (!$in_fp) { - $this->setError(self::ERROR_UNKNOWN, "Couldn't open $path for reading"); - return false; - } + // open message file + $in_fp = false; + if (file_exists(realpath($path))) { + $in_fp = fopen($path, 'r'); + } + if (!$in_fp) { + $this->setError(self::ERROR_UNKNOWN, "Couldn't open $path for reading"); + return false; + } $body_separator = "\r\n\r\n"; - $len = filesize($path); + $len = filesize($path); - if (!$len) { - return false; - } + if (!$len) { + return false; + } if ($headers) { $headers = preg_replace('/[\r\n]+$/', '', $headers); $len += strlen($headers) + strlen($body_separator); } - // send APPEND command - $key = $this->nextTag(); - $request = sprintf("$key APPEND %s (\\Seen) {%d%s}", $this->escape($mailbox), + // send APPEND command + $key = $this->nextTag(); + $request = sprintf("$key APPEND %s (\\Seen) {%d%s}", $this->escape($mailbox), $len, ($this->prefs['literal+'] ? '+' : '')); - if ($this->putLine($request)) { + if ($this->putLine($request)) { // Don't wait when LITERAL+ is supported if (!$this->prefs['literal+']) { - $line = $this->readLine(512); + $line = $this->readReply(); - if ($line[0] != '+') { - $this->parseResult($line, 'APPEND: '); - return false; - } + if ($line[0] != '+') { + $this->parseResult($line, 'APPEND: '); + return false; + } } // send headers with body separator if ($headers) { - $this->putLine($headers . $body_separator, false); + $this->putLine($headers . $body_separator, false); } - // send file - while (!feof($in_fp) && $this->fp) { - $buffer = fgets($in_fp, 4096); - $this->putLine($buffer, false); - } - fclose($in_fp); + // send file + while (!feof($in_fp) && $this->fp) { + $buffer = fgets($in_fp, 4096); + $this->putLine($buffer, false); + } + fclose($in_fp); - if (!$this->putLine('')) { // \r\n + if (!$this->putLine('')) { // \r\n return false; } - // read response - do { - $line = $this->readLine(); - } while (!$this->startsWith($line, $key, true, true)); + // read response + do { + $line = $this->readLine(); + } while (!$this->startsWith($line, $key, true, true)); // Clear internal status cache unset($this->data['STATUS:'.$mailbox]); - return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); - } + return ($this->parseResult($line, 'APPEND: ') == self::ERROR_OK); + } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $request"); } - return false; + return false; } function fetchStructureString($mailbox, $id, $is_uid=false) { - if (!$this->select($mailbox)) { + if (!$this->select($mailbox)) { return false; } - $key = $this->nextTag(); - $result = false; + $key = $this->nextTag(); + $result = false; $command = $key . ($is_uid ? ' UID' : '') ." FETCH $id (BODYSTRUCTURE)"; - if ($this->putLine($command)) { - do { - $line = $this->readLine(5000); - $line = $this->multLine($line, true); - if (!preg_match("/^$key /", $line)) - $result .= $line; - } while (!$this->startsWith($line, $key, true, true)); + if ($this->putLine($command)) { + do { + $line = $this->readLine(5000); + $line = $this->multLine($line, true); + if (!preg_match("/^$key /", $line)) + $result .= $line; + } while (!$this->startsWith($line, $key, true, true)); - $result = trim(substr($result, strpos($result, 'BODYSTRUCTURE')+13, -1)); - } + $result = trim(substr($result, strpos($result, 'BODYSTRUCTURE')+13, -1)); + } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $command"); } - return $result; + return $result; } function getQuota() @@ -2347,49 +2489,50 @@ class rcube_imap_generic * QUOTA user/rchijiiwa1 (STORAGE 654 9765) * OK Completed */ - $result = false; - $quota_lines = array(); - $key = $this->nextTag(); + $result = false; + $quota_lines = array(); + $key = $this->nextTag(); $command = $key . ' GETQUOTAROOT INBOX'; - // get line(s) containing quota info - if ($this->putLine($command)) { - do { - $line = rtrim($this->readLine(5000)); - if (preg_match('/^\* QUOTA /', $line)) { - $quota_lines[] = $line; - } - } while (!$this->startsWith($line, $key, true, true)); - } + // get line(s) containing quota info + if ($this->putLine($command)) { + do { + $line = rtrim($this->readLine(5000)); + if (preg_match('/^\* QUOTA /', $line)) { + $quota_lines[] = $line; + } + } while (!$this->startsWith($line, $key, true, true)); + } else { $this->setError(self::ERROR_COMMAND, "Unable to send command: $command"); } - // return false if not found, parse if found - $min_free = PHP_INT_MAX; - foreach ($quota_lines as $key => $quota_line) { - $quota_line = str_replace(array('(', ')'), '', $quota_line); - $parts = explode(' ', $quota_line); - $storage_part = array_search('STORAGE', $parts); + // return false if not found, parse if found + $min_free = PHP_INT_MAX; + foreach ($quota_lines as $key => $quota_line) { + $quota_line = str_replace(array('(', ')'), '', $quota_line); + $parts = explode(' ', $quota_line); + $storage_part = array_search('STORAGE', $parts); - if (!$storage_part) + if (!$storage_part) { continue; + } - $used = intval($parts[$storage_part+1]); - $total = intval($parts[$storage_part+2]); - $free = $total - $used; - - // return lowest available space from all quotas - if ($free < $min_free) { - $min_free = $free; - $result['used'] = $used; - $result['total'] = $total; - $result['percent'] = min(100, round(($used/max(1,$total))*100)); - $result['free'] = 100 - $result['percent']; - } - } + $used = intval($parts[$storage_part+1]); + $total = intval($parts[$storage_part+2]); + $free = $total - $used; + + // return lowest available space from all quotas + if ($free < $min_free) { + $min_free = $free; + $result['used'] = $used; + $result['total'] = $total; + $result['percent'] = min(100, round(($used/max(1,$total))*100)); + $result['free'] = 100 - $result['percent']; + } + } - return $result; + return $result; } /** @@ -2414,7 +2557,7 @@ class rcube_imap_generic $this->escape($mailbox), $this->escape($user), strtolower($acl)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } /** @@ -2434,7 +2577,7 @@ class rcube_imap_generic $this->escape($mailbox), $this->escape($user)), self::COMMAND_NORESPONSE); - return ($result == self::ERROR_OK); + return ($result == self::ERROR_OK); } /** @@ -2554,11 +2697,12 @@ class rcube_imap_generic } foreach ($entries as $name => $value) { - if ($value === null) + if ($value === null) { $value = 'NIL'; - else + } + else { $value = sprintf("{%d}\r\n%s", strlen($value), $value); - + } $entries[$name] = $this->escape($name) . ' ' . $value; } @@ -2583,16 +2727,18 @@ class rcube_imap_generic */ function deleteMetadata($mailbox, $entries) { - if (!is_array($entries) && !empty($entries)) + if (!is_array($entries) && !empty($entries)) { $entries = explode(' ', $entries); + } if (empty($entries)) { $this->setError(self::ERROR_COMMAND, "Wrong argument for SETMETADATA command"); return false; } - foreach ($entries as $entry) + foreach ($entries as $entry) { $data[$entry] = NULL; + } return $this->setMetadata($mailbox, $data); } @@ -2628,13 +2774,16 @@ class rcube_imap_generic $options = array_change_key_case($options, CASE_UPPER); $opts = array(); - if (!empty($options['MAXSIZE'])) + if (!empty($options['MAXSIZE'])) { $opts[] = 'MAXSIZE '.intval($options['MAXSIZE']); - if (!empty($options['DEPTH'])) + } + if (!empty($options['DEPTH'])) { $opts[] = 'DEPTH '.intval($options['DEPTH']); + } - if ($opts) + if ($opts) { $optlist = '(' . implode(' ', $opts) . ')'; + } } $optlist .= ($optlist ? ' ' : '') . $entlist; @@ -2701,10 +2850,12 @@ class rcube_imap_generic $attr = $entry[1]; $value = $entry[2]; - if ($value === null) + if ($value === null) { $value = 'NIL'; - else + } + else { $value = sprintf("{%d}\r\n%s", strlen($value), $value); + } $entries[] = sprintf('%s (%s %s)', $this->escape($name), $this->escape($attr), $value); @@ -2796,10 +2947,12 @@ class rcube_imap_generic for ($x=0, $len=count($attribs); $x<$len;) { $attr = $attribs[$x++]; $value = $attribs[$x++]; - if ($attr == 'value.priv') + if ($attr == 'value.priv') { $res['/private' . $entry] = $value; - else if ($attr == 'value.shared') + } + else if ($attr == 'value.shared') { $res['/shared' . $entry] = $value; + } } } $last_entry = $entry; @@ -2847,43 +3000,45 @@ class rcube_imap_generic $noresp = ($options & self::COMMAND_NORESPONSE); $response = $noresp ? null : ''; - if (!empty($arguments)) + if (!empty($arguments)) { $query .= ' ' . implode(' ', $arguments); + } // Send command - if (!$this->putLineC($query)) { + if (!$this->putLineC($query)) { $this->setError(self::ERROR_COMMAND, "Unable to send command: $query"); - return $noresp ? self::ERROR_COMMAND : array(self::ERROR_COMMAND, ''); - } + return $noresp ? self::ERROR_COMMAND : array(self::ERROR_COMMAND, ''); + } // Parse response - do { - $line = $this->readLine(4096); - if ($response !== null) - $response .= $line; - } while (!$this->startsWith($line, $tag . ' ', true, true)); + do { + $line = $this->readLine(4096); + if ($response !== null) { + $response .= $line; + } + } while (!$this->startsWith($line, $tag . ' ', true, true)); - $code = $this->parseResult($line, $command . ': '); + $code = $this->parseResult($line, $command . ': '); // Remove last line from response - if ($response) { - $line_len = min(strlen($response), strlen($line) + 2); + if ($response) { + $line_len = min(strlen($response), strlen($line) + 2); $response = substr($response, 0, -$line_len); } - // optional CAPABILITY response - if (($options & self::COMMAND_CAPABILITY) && $code == self::ERROR_OK + // optional CAPABILITY response + if (($options & self::COMMAND_CAPABILITY) && $code == self::ERROR_OK && preg_match('/\[CAPABILITY ([^]]+)\]/i', $line, $matches) ) { - $this->parseCapability($matches[1], true); - } + $this->parseCapability($matches[1], true); + } - // return last line only (without command tag and result) + // return last line only (without command tag, result and response code) if ($line && ($options & self::COMMAND_LASTLINE)) { - $response = preg_replace("/^$tag (OK|NO|BAD|BYE|PREAUTH)?\s*/i", '', trim($line)); + $response = preg_replace("/^$tag (OK|NO|BAD|BYE|PREAUTH)?\s*(\[[a-z-]+\])?\s*/i", '', trim($line)); } - return $noresp ? $code : array($code, $response); + return $noresp ? $code : array($code, $response); } /** @@ -2917,7 +3072,7 @@ class rcube_imap_generic $result[] = substr($str, $epos + 3, $bytes); // Advance the string $str = substr($str, $epos + 3 + $bytes); - break; + break; // Quoted string case '"': @@ -2939,17 +3094,17 @@ class rcube_imap_generic // we need to strip slashes for a quoted string $result[] = stripslashes(substr($str, 1, $pos - 1)); $str = substr($str, $pos + 1); - break; + break; // Parenthesized list case '(': $str = substr($str, 1); $result[] = self::tokenizeResponse($str); - break; + break; case ')': $str = substr($str, 1); return $result; - break; + break; // String atom, number, NIL, *, % default: @@ -2968,7 +3123,7 @@ class rcube_imap_generic $result[] = $m[1] == 'NIL' ? NULL : $m[1]; $str = substr($str, strlen($m[1])); } - break; + break; } } @@ -2977,12 +3132,14 @@ class rcube_imap_generic private function _xor($string, $string2) { - $result = ''; - $size = strlen($string); - for ($i=0; $i<$size; $i++) { - $result .= chr(ord($string[$i]) ^ ord($string2[$i])); - } - return $result; + $result = ''; + $size = strlen($string); + + for ($i=0; $i<$size; $i++) { + $result .= chr(ord($string[$i]) ^ ord($string2[$i])); + } + + return $result; } /** @@ -2994,31 +3151,33 @@ class rcube_imap_generic */ private function strToTime($date) { - // support non-standard "GMTXXXX" literal - $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); + // support non-standard "GMTXXXX" literal + $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); // if date parsing fails, we have a date in non-rfc format. - // remove token from the end and try again - while ((($ts = @strtotime($date))===false) || ($ts < 0)) { - $d = explode(' ', $date); - array_pop($d); - if (!$d) break; - $date = implode(' ', $d); - } + // remove token from the end and try again + while ((($ts = @strtotime($date))===false) || ($ts < 0)) { + $d = explode(' ', $date); + array_pop($d); + if (!$d) { + break; + } + $date = implode(' ', $d); + } - $ts = (int) $ts; + $ts = (int) $ts; - return $ts < 0 ? 0 : $ts; + return $ts < 0 ? 0 : $ts; } private function splitHeaderLine($string) { - $pos = strpos($string, ':'); - if ($pos>0) { - $res[0] = substr($string, 0, $pos); - $res[1] = trim(substr($string, $pos+1)); - return $res; - } - return $string; + $pos = strpos($string, ':'); + if ($pos>0) { + $res[0] = substr($string, 0, $pos); + $res[1] = trim(substr($string, $pos+1)); + return $res; + } + return $string; } private function parseCapability($str, $trusted=false) @@ -3046,17 +3205,15 @@ class rcube_imap_generic */ static function escape($string) { - // NIL if ($string === null) { return 'NIL'; } - // empty string else if ($string === '') { return '""'; } - // string: special chars: SP, CTL, (, ), {, %, *, ", \, ] else if (preg_match('/([\x00-\x20\x28-\x29\x7B\x25\x2A\x22\x5C\x5D\x7F]+)/', $string)) { - return '"' . strtr($string, array('"'=>'\\"', '\\' => '\\\\')) . '"'; + // string: special chars: SP, CTL, (, ), {, %, *, ", \, ] + return '"' . strtr($string, array('"'=>'\\"', '\\' => '\\\\')) . '"'; } // atom @@ -3065,7 +3222,7 @@ class rcube_imap_generic static function unEscape($string) { - return strtr($string, array('\\"'=>'"', '\\\\' => '\\')); + return strtr($string, array('\\"'=>'"', '\\\\' => '\\')); } } |