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-rw-r--r--program/include/rcube_imap_generic.php967
1 files changed, 564 insertions, 403 deletions
diff --git a/program/include/rcube_imap_generic.php b/program/include/rcube_imap_generic.php
index ad147e5fd..3482439ff 100644
--- a/program/include/rcube_imap_generic.php
+++ b/program/include/rcube_imap_generic.php
@@ -153,16 +153,17 @@ class rcube_imap_generic
* @param string $string Command string
* @param bool $endln True if CRLF need to be added at the end of command
*
- * @param int Number of bytes sent, False on error
+ * @return int|bool Number of bytes sent, False on error
*/
function putLineC($string, $endln=true)
{
- if (!$this->fp)
+ if (!$this->fp) {
return false;
+ }
- if ($endln)
+ if ($endln) {
$string .= "\r\n";
-
+ }
$res = 0;
if ($parts = preg_split('/(\{[0-9]+\}\r\n)/m', $string, -1, PREG_SPLIT_DELIM_CAPTURE)) {
@@ -198,6 +199,13 @@ class rcube_imap_generic
return $res;
}
+ /**
+ * Reads line from the connection stream
+ *
+ * @param int $size Buffer size
+ *
+ * @return string Line of text response
+ */
function readLine($size=1024)
{
$line = '';
@@ -226,6 +234,15 @@ class rcube_imap_generic
return $line;
}
+ /**
+ * Reads more data from the connection stream when provided
+ * data contain string literal
+ *
+ * @param string $line Response text
+ * @param bool $escape Enables escaping
+ *
+ * @return string Line of text response
+ */
function multLine($line, $escape = false)
{
$line = rtrim($line);
@@ -247,6 +264,13 @@ class rcube_imap_generic
return $line;
}
+ /**
+ * Reads specified number of bytes from the connection stream
+ *
+ * @param int $bytes Number of bytes to get
+ *
+ * @return string Response text
+ */
function readBytes($bytes)
{
$data = '';
@@ -268,6 +292,13 @@ class rcube_imap_generic
return $data;
}
+ /**
+ * Reads complete response to the IMAP command
+ *
+ * @param array $untagged Will be filled with untagged response lines
+ *
+ * @return string Response text
+ */
function readReply(&$untagged=null)
{
do {
@@ -283,6 +314,14 @@ class rcube_imap_generic
return $line;
}
+ /**
+ * Response parser.
+ *
+ * @param string $string Response text
+ * @param string $err_prefix Error message prefix
+ *
+ * @return int Response status
+ */
function parseResult($string, $err_prefix='')
{
if (preg_match('/^[a-z0-9*]+ (OK|NO|BAD|BYE)(.*)$/i', trim($string), $matches)) {
@@ -326,6 +365,11 @@ class rcube_imap_generic
return self::ERROR_UNKNOWN;
}
+ /**
+ * Checks connection stream state.
+ *
+ * @return bool True if connection is closed
+ */
private function eof()
{
if (!is_resource($this->fp)) {
@@ -336,7 +380,7 @@ class rcube_imap_generic
// by the server, feof() will hang.
$start = microtime(true);
- if (feof($this->fp) ||
+ if (feof($this->fp) ||
($this->prefs['timeout'] && (microtime(true) - $start > $this->prefs['timeout']))
) {
$this->closeSocket();
@@ -346,29 +390,41 @@ class rcube_imap_generic
return false;
}
+ /**
+ * Closes connection stream.
+ */
private function closeSocket()
{
@fclose($this->fp);
$this->fp = null;
}
+ /**
+ * Error code/message setter.
+ */
function setError($code, $msg='')
{
$this->errornum = $code;
$this->error = $msg;
}
- // check if $string starts with $match (or * BYE/BAD)
+ /**
+ * Checks response status.
+ * Checks if command response line starts with specified prefix (or * BYE/BAD)
+ *
+ * @param string $string Response text
+ * @param string $match Prefix to match with (case-sensitive)
+ * @param bool $error Enables BYE/BAD checking
+ * @param bool $nonempty Enables empty response checking
+ *
+ * @return bool True any check is true or connection is closed.
+ */
function startsWith($string, $match, $error=false, $nonempty=false)
{
- $len = strlen($match);
- if ($len == 0) {
- return false;
- }
if (!$this->fp) {
return true;
}
- if (strncmp($string, $match, $len) == 0) {
+ if (strncmp($string, $match, strlen($match)) == 0) {
return true;
}
if ($error && preg_match('/^\* (BYE|BAD) /i', $string, $m)) {
@@ -608,7 +664,7 @@ class rcube_imap_generic
}
/**
- * Gets the delimiter
+ * Detects hierarchy delimiter
*
* @return string The delimiter
*/
@@ -668,6 +724,16 @@ class rcube_imap_generic
return $this->prefs['namespace'];
}
+ /**
+ * Connects to IMAP server and authenticates.
+ *
+ * @param string $host Server hostname or IP
+ * @param string $user User name
+ * @param string $password Password
+ * @param array $options Connection and class options
+ *
+ * @return bool True on success, False on failure
+ */
function connect($host, $user, $password, $options=null)
{
// set options
@@ -855,11 +921,19 @@ class rcube_imap_generic
return false;
}
+ /**
+ * Checks connection status
+ *
+ * @return bool True if connection is active and user is logged in, False otherwise.
+ */
function connected()
{
return ($this->fp && $this->logged) ? true : false;
}
+ /**
+ * Closes connection with logout.
+ */
function closeConnection()
{
if ($this->putLine($this->nextTag() . ' LOGOUT')) {
@@ -1072,7 +1146,7 @@ class rcube_imap_generic
}
/**
- * Executes SUBSCRIBE command
+ * Folder subscription (SUBSCRIBE)
*
* @param string $mailbox Mailbox name
*
@@ -1087,7 +1161,7 @@ class rcube_imap_generic
}
/**
- * Executes UNSUBSCRIBE command
+ * Folder unsubscription (UNSUBSCRIBE)
*
* @param string $mailbox Mailbox name
*
@@ -1102,6 +1176,36 @@ class rcube_imap_generic
}
/**
+ * Folder creation (CREATE)
+ *
+ * @param string $mailbox Mailbox name
+ *
+ * @return bool True on success, False on error
+ */
+ function createFolder($mailbox)
+ {
+ $result = $this->execute('CREATE', array($this->escape($mailbox)),
+ self::COMMAND_NORESPONSE);
+
+ return ($result == self::ERROR_OK);
+ }
+
+ /**
+ * Folder renaming (RENAME)
+ *
+ * @param string $mailbox Mailbox name
+ *
+ * @return bool True on success, False on error
+ */
+ function renameFolder($from, $to)
+ {
+ $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)),
+ self::COMMAND_NORESPONSE);
+
+ return ($result == self::ERROR_OK);
+ }
+
+ /**
* Executes DELETE command
*
* @param string $mailbox Mailbox name
@@ -1141,6 +1245,135 @@ class rcube_imap_generic
}
/**
+ * Returns list of mailboxes
+ *
+ * @param string $ref Reference name
+ * @param string $mailbox Mailbox name
+ * @param array $status_opts (see self::_listMailboxes)
+ * @param array $select_opts (see self::_listMailboxes)
+ *
+ * @return array List of mailboxes or hash of options if $status_opts argument
+ * is non-empty.
+ */
+ function listMailboxes($ref, $mailbox, $status_opts=array(), $select_opts=array())
+ {
+ return $this->_listMailboxes($ref, $mailbox, false, $status_opts, $select_opts);
+ }
+
+ /**
+ * Returns list of subscribed mailboxes
+ *
+ * @param string $ref Reference name
+ * @param string $mailbox Mailbox name
+ * @param array $status_opts (see self::_listMailboxes)
+ *
+ * @return array List of mailboxes or hash of options if $status_opts argument
+ * is non-empty.
+ */
+ function listSubscribed($ref, $mailbox, $status_opts=array())
+ {
+ return $this->_listMailboxes($ref, $mailbox, true, $status_opts, NULL);
+ }
+
+ /**
+ * IMAP LIST/LSUB command
+ *
+ * @param string $ref Reference name
+ * @param string $mailbox Mailbox name
+ * @param bool $subscribed Enables returning subscribed mailboxes only
+ * @param array $status_opts List of STATUS options (RFC5819: LIST-STATUS)
+ * Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN
+ * @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED)
+ * Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE
+ *
+ * @return array List of mailboxes or hash of options if $status_ops argument
+ * is non-empty.
+ */
+ private function _listMailboxes($ref, $mailbox, $subscribed=false,
+ $status_opts=array(), $select_opts=array())
+ {
+ if (!strlen($mailbox)) {
+ $mailbox = '*';
+ }
+
+ $args = array();
+
+ if (!empty($select_opts) && $this->getCapability('LIST-EXTENDED')) {
+ $select_opts = (array) $select_opts;
+
+ $args[] = '(' . implode(' ', $select_opts) . ')';
+ }
+
+ $args[] = $this->escape($ref);
+ $args[] = $this->escape($mailbox);
+
+ if (!empty($status_opts) && $this->getCapability('LIST-STATUS')) {
+ $status_opts = (array) $status_opts;
+ $lstatus = true;
+
+ $args[] = 'RETURN (STATUS (' . implode(' ', $status_opts) . '))';
+ }
+
+ list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args);
+
+ if ($code == self::ERROR_OK) {
+ $folders = array();
+ $last = 0;
+ $pos = 0;
+ $response .= "\r\n";
+
+ while ($pos = strpos($response, "\r\n", $pos+1)) {
+ // literal string, not real end-of-command-line
+ if ($response[$pos-1] == '}') {
+ continue;
+ }
+
+ $line = substr($response, $last, $pos - $last);
+ $last = $pos + 2;
+
+ if (!preg_match('/^\* (LIST|LSUB|STATUS) /i', $line, $m)) {
+ continue;
+ }
+ $cmd = strtoupper($m[1]);
+ $line = substr($line, strlen($m[0]));
+
+ // * LIST (<options>) <delimiter> <mailbox>
+ if ($cmd == 'LIST' || $cmd == 'LSUB') {
+ list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3);
+
+ // Add to result array
+ if (!$lstatus) {
+ $folders[] = $mailbox;
+ }
+ else {
+ $folders[$mailbox] = array();
+ }
+
+ // Add to options array
+ if (empty($this->data['LIST'][$mailbox]))
+ $this->data['LIST'][$mailbox] = $opts;
+ else if (!empty($opts))
+ $this->data['LIST'][$mailbox] = array_unique(array_merge(
+ $this->data['LIST'][$mailbox], $opts));
+ }
+ // * STATUS <mailbox> (<result>)
+ else if ($cmd == 'STATUS') {
+ list($mailbox, $status) = $this->tokenizeResponse($line, 2);
+
+ for ($i=0, $len=count($status); $i<$len; $i += 2) {
+ list($name, $value) = $this->tokenizeResponse($status, 2);
+ $folders[$mailbox][$name] = $value;
+ }
+ }
+ }
+
+ return $folders;
+ }
+
+ return false;
+ }
+
+ /**
* Returns count of all messages in a folder
*
* @param string $mailbox Mailbox name
@@ -1338,6 +1571,105 @@ class rcube_imap_generic
}
/**
+ * Executes THREAD command
+ *
+ * @param string $mailbox Mailbox name
+ * @param string $algorithm Threading algorithm (ORDEREDSUBJECT, REFERENCES, REFS)
+ * @param string $criteria Searching criteria
+ * @param bool $return_uid Enables UIDs in result instead of sequence numbers
+ * @param string $encoding Character set
+ *
+ * @return rcube_result_thread Thread data
+ */
+ function thread($mailbox, $algorithm='REFERENCES', $criteria='', $return_uid=false, $encoding='US-ASCII')
+ {
+ require_once dirname(__FILE__) . '/rcube_result_thread.php';
+
+ $old_sel = $this->selected;
+
+ if (!$this->select($mailbox)) {
+ return new rcube_result_thread($mailbox);
+ }
+
+ // return empty result when folder is empty and we're just after SELECT
+ if ($old_sel != $mailbox && !$this->data['EXISTS']) {
+ return new rcube_result_thread($mailbox);
+ }
+
+ $encoding = $encoding ? trim($encoding) : 'US-ASCII';
+ $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES';
+ $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL';
+ $data = '';
+
+ list($code, $response) = $this->execute($return_uid ? 'UID THREAD' : 'THREAD',
+ array($algorithm, $encoding, $criteria));
+
+ if ($code != self::ERROR_OK) {
+ $response = null;
+ }
+
+ return new rcube_result_thread($mailbox, $response);
+ }
+
+ /**
+ * Executes SEARCH command
+ *
+ * @param string $mailbox Mailbox name
+ * @param string $criteria Searching criteria
+ * @param bool $return_uid Enable UID in result instead of sequence ID
+ * @param array $items Return items (MIN, MAX, COUNT, ALL)
+ *
+ * @return rcube_result_index Result data
+ */
+ function search($mailbox, $criteria, $return_uid=false, $items=array())
+ {
+ require_once dirname(__FILE__) . '/rcube_result_index.php';
+
+ $old_sel = $this->selected;
+
+ if (!$this->select($mailbox)) {
+ return new rcube_result_index($mailbox);
+ }
+
+ // return empty result when folder is empty and we're just after SELECT
+ if ($old_sel != $mailbox && !$this->data['EXISTS']) {
+ return new rcube_result_index($mailbox, '* SEARCH');
+ }
+
+ // If ESEARCH is supported always use ALL
+ // but not when items are specified or using simple id2uid search
+ if (empty($items) && ((int) $criteria != $criteria)) {
+ $items = array('ALL');
+ }
+
+ $esearch = empty($items) ? false : $this->getCapability('ESEARCH');
+ $criteria = trim($criteria);
+ $params = '';
+
+ // RFC4731: ESEARCH
+ if (!empty($items) && $esearch) {
+ $params .= 'RETURN (' . implode(' ', $items) . ')';
+ }
+
+ if (!empty($criteria)) {
+ $modseq = stripos($criteria, 'MODSEQ') !== false;
+ $params .= ($params ? ' ' : '') . $criteria;
+ }
+ else {
+ $params .= 'ALL';
+ }
+
+ list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH',
+ array($params));
+
+ if ($code != self::ERROR_OK) {
+ $response = null;
+ }
+
+ return new rcube_result_index($mailbox, $response);
+ }
+
+ /**
* Simulates SORT command by using FETCH and sorting.
*
* @param string $mailbox Mailbox name
@@ -1510,72 +1842,6 @@ class rcube_imap_generic
return $result;
}
- static function compressMessageSet($messages, $force=false)
- {
- // given a comma delimited list of independent mid's,
- // compresses by grouping sequences together
-
- if (!is_array($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;
- }
-
- // separate, then sort
- $messages = explode(',', $messages);
- }
-
- sort($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 = $id;
- }
-
- // handle the last sequence/id
- if ($start == $prev) {
- $result[] = $prev;
- } else {
- $result[] = $start.':'.$prev;
- }
-
- // return as comma separated string
- return implode(',', $result);
- }
-
- static function uncompressMessageSet($messages)
- {
- $result = array();
- $messages = explode(',', $messages);
-
- foreach ($messages as $part) {
- $items = explode(':', $part);
- $max = max($items[0], $items[1]);
-
- for ($x=$items[0]; $x<=$max; $x++) {
- $result[] = $x;
- }
- }
-
- return $result;
- }
-
/**
* Returns message sequence identifier
*
@@ -1626,6 +1892,127 @@ class rcube_imap_generic
}
/**
+ * Sets flag of the message(s)
+ *
+ * @param string $mailbox Mailbox name
+ * @param string|array $messages Message UID(s)
+ * @param string $flag Flag name
+ *
+ * @return bool True on success, False on failure
+ */
+ function flag($mailbox, $messages, $flag) {
+ return $this->modFlag($mailbox, $messages, $flag, '+');
+ }
+
+ /**
+ * Unsets flag of the message(s)
+ *
+ * @param string $mailbox Mailbox name
+ * @param string|array $messages Message UID(s)
+ * @param string $flag Flag name
+ *
+ * @return bool True on success, False on failure
+ */
+ function unflag($mailbox, $messages, $flag) {
+ return $this->modFlag($mailbox, $messages, $flag, '-');
+ }
+
+ /**
+ * Changes flag of the message(s)
+ *
+ * @param string $mailbox Mailbox name
+ * @param string|array $messages Message UID(s)
+ * @param string $flag Flag name
+ * @param string $mod Modifier [+|-]. Default: "+".
+ *
+ * @return bool True on success, False on failure
+ */
+ private function modFlag($mailbox, $messages, $flag, $mod = '+')
+ {
+ if ($mod != '+' && $mod != '-') {
+ $mod = '+';
+ }
+
+ if (!$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)];
+ $result = $this->execute('UID STORE', array(
+ $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"),
+ self::COMMAND_NORESPONSE);
+
+ return ($result == self::ERROR_OK);
+ }
+
+ /**
+ * Copies message(s) from one folder to another
+ *
+ * @param string|array $messages Message UID(s)
+ * @param string $from Mailbox name
+ * @param string $to Destination mailbox name
+ *
+ * @return bool True on success, False on failure
+ */
+ function copy($messages, $from, $to)
+ {
+ if (!$this->select($from)) {
+ return false;
+ }
+
+ // Clear internal status cache
+ unset($this->data['STATUS:'.$to]);
+
+ $result = $this->execute('UID COPY', array(
+ $this->compressMessageSet($messages), $this->escape($to)),
+ self::COMMAND_NORESPONSE);
+
+ return ($result == self::ERROR_OK);
+ }
+
+ /**
+ * Moves message(s) from one folder to another.
+ * Original message(s) will be marked as deleted.
+ *
+ * @param string|array $messages Message UID(s)
+ * @param string $from Mailbox name
+ * @param string $to Destination mailbox name
+ *
+ * @return bool True on success, False on failure
+ */
+ function move($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) {
+ // Clear internal status cache
+ unset($this->data['STATUS:'.$from]);
+
+ return $this->flag($from, $messages, 'DELETED');
+ }
+ return $r;
+ }
+
+ /**
* FETCH command (RFC3501)
*
* @param string $mailbox Mailbox name
@@ -1939,313 +2326,6 @@ class rcube_imap_generic
return $result;
}
-
- function modFlag($mailbox, $messages, $flag, $mod)
- {
- if ($mod != '+' && $mod != '-') {
- $mod = '+';
- }
-
- if (!$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)];
- $result = $this->execute('UID STORE', array(
- $this->compressMessageSet($messages), $mod . 'FLAGS.SILENT', "($flag)"),
- self::COMMAND_NORESPONSE);
-
- return ($result == self::ERROR_OK);
- }
-
- function flag($mailbox, $messages, $flag) {
- return $this->modFlag($mailbox, $messages, $flag, '+');
- }
-
- function unflag($mailbox, $messages, $flag) {
- return $this->modFlag($mailbox, $messages, $flag, '-');
- }
-
- function delete($mailbox, $messages) {
- return $this->modFlag($mailbox, $messages, 'DELETED', '+');
- }
-
- function copy($messages, $from, $to)
- {
- if (!$this->select($from)) {
- return false;
- }
-
- // Clear internal status cache
- unset($this->data['STATUS:'.$to]);
-
- $result = $this->execute('UID COPY', array(
- $this->compressMessageSet($messages), $this->escape($to)),
- self::COMMAND_NORESPONSE);
-
- 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) {
- // Clear internal status cache
- unset($this->data['STATUS:'.$from]);
-
- return $this->delete($from, $messages);
- }
- return $r;
- }
-
- /**
- * Executes THREAD command
- *
- * @param string $mailbox Mailbox name
- * @param string $algorithm Threading algorithm (ORDEREDSUBJECT, REFERENCES, REFS)
- * @param string $criteria Searching criteria
- * @param bool $return_uid Enables UIDs in result instead of sequence numbers
- * @param string $encoding Character set
- *
- * @return rcube_result_thread Thread data
- */
- function thread($mailbox, $algorithm='REFERENCES', $criteria='', $return_uid=false, $encoding='US-ASCII')
- {
- require_once dirname(__FILE__) . '/rcube_result_thread.php';
-
- $old_sel = $this->selected;
-
- if (!$this->select($mailbox)) {
- return new rcube_result_thread($mailbox);
- }
-
- // return empty result when folder is empty and we're just after SELECT
- if ($old_sel != $mailbox && !$this->data['EXISTS']) {
- return new rcube_result_thread($mailbox);
- }
-
- $encoding = $encoding ? trim($encoding) : 'US-ASCII';
- $algorithm = $algorithm ? trim($algorithm) : 'REFERENCES';
- $criteria = $criteria ? 'ALL '.trim($criteria) : 'ALL';
- $data = '';
-
- list($code, $response) = $this->execute($return_uid ? 'UID THREAD' : 'THREAD',
- array($algorithm, $encoding, $criteria));
-
- if ($code != self::ERROR_OK) {
- $response = null;
- }
-
- return new rcube_result_thread($mailbox, $response);
- }
-
- /**
- * Executes SEARCH command
- *
- * @param string $mailbox Mailbox name
- * @param string $criteria Searching criteria
- * @param bool $return_uid Enable UID in result instead of sequence ID
- * @param array $items Return items (MIN, MAX, COUNT, ALL)
- *
- * @return rcube_result_index Result data
- */
- function search($mailbox, $criteria, $return_uid=false, $items=array())
- {
- require_once dirname(__FILE__) . '/rcube_result_index.php';
-
- $old_sel = $this->selected;
-
- if (!$this->select($mailbox)) {
- return new rcube_result_index($mailbox);
- }
-
- // return empty result when folder is empty and we're just after SELECT
- if ($old_sel != $mailbox && !$this->data['EXISTS']) {
- return new rcube_result_index($mailbox, '* SEARCH');
- }
-
- // If ESEARCH is supported always use ALL
- // but not when items are specified or using simple id2uid search
- if (empty($items) && ((int) $criteria != $criteria)) {
- $items = array('ALL');
- }
-
- $esearch = empty($items) ? false : $this->getCapability('ESEARCH');
- $criteria = trim($criteria);
- $params = '';
-
- // RFC4731: ESEARCH
- if (!empty($items) && $esearch) {
- $params .= 'RETURN (' . implode(' ', $items) . ')';
- }
-
- if (!empty($criteria)) {
- $modseq = stripos($criteria, 'MODSEQ') !== false;
- $params .= ($params ? ' ' : '') . $criteria;
- }
- else {
- $params .= 'ALL';
- }
-
- list($code, $response) = $this->execute($return_uid ? 'UID SEARCH' : 'SEARCH',
- array($params));
-
- if ($code != self::ERROR_OK) {
- $response = null;
- }
-
- return new rcube_result_index($mailbox, $response);
- }
-
- /**
- * Returns list of mailboxes
- *
- * @param string $ref Reference name
- * @param string $mailbox Mailbox name
- * @param array $status_opts (see self::_listMailboxes)
- * @param array $select_opts (see self::_listMailboxes)
- *
- * @return array List of mailboxes or hash of options if $status_opts argument
- * is non-empty.
- */
- function listMailboxes($ref, $mailbox, $status_opts=array(), $select_opts=array())
- {
- return $this->_listMailboxes($ref, $mailbox, false, $status_opts, $select_opts);
- }
-
- /**
- * Returns list of subscribed mailboxes
- *
- * @param string $ref Reference name
- * @param string $mailbox Mailbox name
- * @param array $status_opts (see self::_listMailboxes)
- *
- * @return array List of mailboxes or hash of options if $status_opts argument
- * is non-empty.
- */
- function listSubscribed($ref, $mailbox, $status_opts=array())
- {
- return $this->_listMailboxes($ref, $mailbox, true, $status_opts, NULL);
- }
-
- /**
- * IMAP LIST/LSUB command
- *
- * @param string $ref Reference name
- * @param string $mailbox Mailbox name
- * @param bool $subscribed Enables returning subscribed mailboxes only
- * @param array $status_opts List of STATUS options (RFC5819: LIST-STATUS)
- * Possible: MESSAGES, RECENT, UIDNEXT, UIDVALIDITY, UNSEEN
- * @param array $select_opts List of selection options (RFC5258: LIST-EXTENDED)
- * Possible: SUBSCRIBED, RECURSIVEMATCH, REMOTE
- *
- * @return array List of mailboxes or hash of options if $status_ops argument
- * is non-empty.
- */
- private function _listMailboxes($ref, $mailbox, $subscribed=false,
- $status_opts=array(), $select_opts=array())
- {
- if (!strlen($mailbox)) {
- $mailbox = '*';
- }
-
- $args = array();
-
- if (!empty($select_opts) && $this->getCapability('LIST-EXTENDED')) {
- $select_opts = (array) $select_opts;
-
- $args[] = '(' . implode(' ', $select_opts) . ')';
- }
-
- $args[] = $this->escape($ref);
- $args[] = $this->escape($mailbox);
-
- if (!empty($status_opts) && $this->getCapability('LIST-STATUS')) {
- $status_opts = (array) $status_opts;
- $lstatus = true;
-
- $args[] = 'RETURN (STATUS (' . implode(' ', $status_opts) . '))';
- }
-
- list($code, $response) = $this->execute($subscribed ? 'LSUB' : 'LIST', $args);
-
- if ($code == self::ERROR_OK) {
- $folders = array();
- $last = 0;
- $pos = 0;
- $response .= "\r\n";
-
- while ($pos = strpos($response, "\r\n", $pos+1)) {
- // literal string, not real end-of-command-line
- if ($response[$pos-1] == '}') {
- continue;
- }
-
- $line = substr($response, $last, $pos - $last);
- $last = $pos + 2;
-
- if (!preg_match('/^\* (LIST|LSUB|STATUS) /i', $line, $m)) {
- continue;
- }
- $cmd = strtoupper($m[1]);
- $line = substr($line, strlen($m[0]));
-
- // * LIST (<options>) <delimiter> <mailbox>
- if ($cmd == 'LIST' || $cmd == 'LSUB') {
- list($opts, $delim, $mailbox) = $this->tokenizeResponse($line, 3);
-
- // Add to result array
- if (!$lstatus) {
- $folders[] = $mailbox;
- }
- else {
- $folders[$mailbox] = array();
- }
-
- // Add to options array
- if (empty($this->data['LIST'][$mailbox]))
- $this->data['LIST'][$mailbox] = $opts;
- else if (!empty($opts))
- $this->data['LIST'][$mailbox] = array_unique(array_merge(
- $this->data['LIST'][$mailbox], $opts));
- }
- // * STATUS <mailbox> (<result>)
- else if ($cmd == 'STATUS') {
- list($mailbox, $status) = $this->tokenizeResponse($line, 2);
-
- for ($i=0, $len=count($status); $i<$len; $i += 2) {
- list($name, $value) = $this->tokenizeResponse($status, 2);
- $folders[$mailbox][$name] = $value;
- }
- }
- }
-
- return $folders;
- }
-
- return false;
- }
-
function fetchMIMEHeaders($mailbox, $uid, $parts, $mime=true)
{
if (!$this->select($mailbox)) {
@@ -2454,22 +2534,6 @@ class rcube_imap_generic
return false;
}
- function createFolder($mailbox)
- {
- $result = $this->execute('CREATE', array($this->escape($mailbox)),
- self::COMMAND_NORESPONSE);
-
- return ($result == self::ERROR_OK);
- }
-
- function renameFolder($from, $to)
- {
- $result = $this->execute('RENAME', array($this->escape($from), $this->escape($to)),
- self::COMMAND_NORESPONSE);
-
- return ($result == self::ERROR_OK);
- }
-
/**
* Handler for IMAP APPEND command
*
@@ -2627,6 +2691,11 @@ class rcube_imap_generic
return false;
}
+ /**
+ * Returns QUOTA information
+ *
+ * @return array Quota information
+ */
function getQuota()
{
/*
@@ -3381,6 +3450,88 @@ class rcube_imap_generic
return '(' . trim($string) . ')';
}
+ /**
+ * Converts message identifiers array into sequence-set syntax
+ *
+ * @param array $messages Message identifiers
+ * @param bool $force Forces compression of any size
+ *
+ * @return string Compressed sequence-set
+ */
+ static function compressMessageSet($messages, $force=false)
+ {
+ // given a comma delimited list of independent mid's,
+ // compresses by grouping sequences together
+
+ if (!is_array($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;
+ }
+
+ // separate, then sort
+ $messages = explode(',', $messages);
+ }
+
+ sort($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 = $id;
+ }
+
+ // handle the last sequence/id
+ if ($start == $prev) {
+ $result[] = $prev;
+ } else {
+ $result[] = $start.':'.$prev;
+ }
+
+ // return as comma separated string
+ return implode(',', $result);
+ }
+
+ /**
+ * Converts message sequence-set into array
+ *
+ * @param string $messages Message identifiers
+ *
+ * @return array List of message identifiers
+ */
+ static function uncompressMessageSet($messages)
+ {
+ $result = array();
+ $messages = explode(',', $messages);
+
+ foreach ($messages as $idx => $part) {
+ $items = explode(':', $part);
+ $max = max($items[0], $items[1]);
+
+ for ($x=$items[0]; $x<=$max; $x++) {
+ $result[] = $x;
+ }
+ unset($messages[$idx]);
+ }
+
+ return $result;
+ }
+
private function _xor($string, $string2)
{
$result = '';
@@ -3419,6 +3570,9 @@ class rcube_imap_generic
return $ts < 0 ? 0 : $ts;
}
+ /**
+ * CAPABILITY response parser
+ */
private function parseCapability($str, $trusted=false)
{
$str = preg_replace('/^\* CAPABILITY /i', '', $str);
@@ -3464,6 +3618,13 @@ class rcube_imap_generic
return sprintf("{%d}\r\n%s", strlen($string), $string);
}
+ /**
+ * Unescapes quoted-string
+ *
+ * @param string $string IMAP string
+ *
+ * @return string String
+ */
static function unEscape($string)
{
return stripslashes($string);