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-rw-r--r--plugins/managesieve/lib/rcube_sieve.php990
1 files changed, 990 insertions, 0 deletions
diff --git a/plugins/managesieve/lib/rcube_sieve.php b/plugins/managesieve/lib/rcube_sieve.php
new file mode 100644
index 000000000..ba43f1093
--- /dev/null
+++ b/plugins/managesieve/lib/rcube_sieve.php
@@ -0,0 +1,990 @@
+<?php
+
+/*
+ Classes for managesieve operations (using PEAR::Net_Sieve)
+
+ Author: Aleksander Machniak <alec@alec.pl>
+
+ $Id$
+
+*/
+
+// Sieve Language Basics: http://www.ietf.org/rfc/rfc5228.txt
+
+define('SIEVE_ERROR_CONNECTION', 1);
+define('SIEVE_ERROR_LOGIN', 2);
+define('SIEVE_ERROR_NOT_EXISTS', 3); // script not exists
+define('SIEVE_ERROR_INSTALL', 4); // script installation
+define('SIEVE_ERROR_ACTIVATE', 5); // script activation
+define('SIEVE_ERROR_DELETE', 6); // script deletion
+define('SIEVE_ERROR_INTERNAL', 7); // internal error
+define('SIEVE_ERROR_DEACTIVATE', 8); // script activation
+define('SIEVE_ERROR_OTHER', 255); // other/unknown error
+
+
+class rcube_sieve
+{
+ private $sieve; // Net_Sieve object
+ private $error = false; // error flag
+ private $list = array(); // scripts list
+
+ public $script; // rcube_sieve_script object
+ public $current; // name of currently loaded script
+ private $disabled; // array of disabled extensions
+
+
+ /**
+ * Object constructor
+ *
+ * @param string Username (for managesieve login)
+ * @param string Password (for managesieve login)
+ * @param string Managesieve server hostname/address
+ * @param string Managesieve server port number
+ * @param string Managesieve authentication method
+ * @param boolean Enable/disable TLS use
+ * @param array Disabled extensions
+ * @param boolean Enable/disable debugging
+ * @param string Proxy authentication identifier
+ * @param string Proxy authentication password
+ */
+ public function __construct($username, $password='', $host='localhost', $port=2000,
+ $auth_type=null, $usetls=true, $disabled=array(), $debug=false,
+ $auth_cid=null, $auth_pw=null)
+ {
+ $this->sieve = new Net_Sieve();
+
+ if ($debug) {
+ $this->sieve->setDebug(true, array($this, 'debug_handler'));
+ }
+
+ if (PEAR::isError($this->sieve->connect($host, $port, NULL, $usetls))) {
+ return $this->_set_error(SIEVE_ERROR_CONNECTION);
+ }
+
+ if (!empty($auth_cid)) {
+ $authz = $username;
+ $username = $auth_cid;
+ $password = $auth_pw;
+ }
+
+ if (PEAR::isError($this->sieve->login($username, $password,
+ $auth_type ? strtoupper($auth_type) : null, $authz))
+ ) {
+ return $this->_set_error(SIEVE_ERROR_LOGIN);
+ }
+
+ $this->disabled = $disabled;
+ }
+
+ public function __destruct() {
+ $this->sieve->disconnect();
+ }
+
+ /**
+ * Getter for error code
+ */
+ public function error()
+ {
+ return $this->error ? $this->error : false;
+ }
+
+ /**
+ * Saves current script into server
+ */
+ public function save($name = null)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (!$this->script)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (!$name)
+ $name = $this->current;
+
+ $script = $this->script->as_text();
+
+ if (!$script)
+ $script = '/* empty script */';
+
+ if (PEAR::isError($this->sieve->installScript($name, $script)))
+ return $this->_set_error(SIEVE_ERROR_INSTALL);
+
+ return true;
+ }
+
+ /**
+ * Saves text script into server
+ */
+ public function save_script($name, $content = null)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (!$content)
+ $content = '/* empty script */';
+
+ if (PEAR::isError($this->sieve->installScript($name, $content)))
+ return $this->_set_error(SIEVE_ERROR_INSTALL);
+
+ return true;
+ }
+
+ /**
+ * Activates specified script
+ */
+ public function activate($name = null)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (!$name)
+ $name = $this->current;
+
+ if (PEAR::isError($this->sieve->setActive($name)))
+ return $this->_set_error(SIEVE_ERROR_ACTIVATE);
+
+ return true;
+ }
+
+ /**
+ * De-activates specified script
+ */
+ public function deactivate()
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (PEAR::isError($this->sieve->setActive('')))
+ return $this->_set_error(SIEVE_ERROR_DEACTIVATE);
+
+ return true;
+ }
+
+ /**
+ * Removes specified script
+ */
+ public function remove($name = null)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if (!$name)
+ $name = $this->current;
+
+ // script must be deactivated first
+ if ($name == $this->sieve->getActive())
+ if (PEAR::isError($this->sieve->setActive('')))
+ return $this->_set_error(SIEVE_ERROR_DELETE);
+
+ if (PEAR::isError($this->sieve->removeScript($name)))
+ return $this->_set_error(SIEVE_ERROR_DELETE);
+
+ if ($name == $this->current)
+ $this->current = null;
+
+ return true;
+ }
+
+ /**
+ * Gets list of supported by server Sieve extensions
+ */
+ public function get_extensions()
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ $ext = $this->sieve->getExtensions();
+ // we're working on lower-cased names
+ $ext = array_map('strtolower', (array) $ext);
+
+ if ($this->script) {
+ $supported = $this->script->get_extensions();
+ foreach ($ext as $idx => $ext_name)
+ if (!in_array($ext_name, $supported))
+ unset($ext[$idx]);
+ }
+
+ return array_values($ext);
+ }
+
+ /**
+ * Gets list of scripts from server
+ */
+ public function get_scripts()
+ {
+ if (!$this->list) {
+
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ $this->list = $this->sieve->listScripts();
+
+ if (PEAR::isError($this->list))
+ return $this->_set_error(SIEVE_ERROR_OTHER);
+ }
+
+ return $this->list;
+ }
+
+ /**
+ * Returns active script name
+ */
+ public function get_active()
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ return $this->sieve->getActive();
+ }
+
+ /**
+ * Loads script by name
+ */
+ public function load($name)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if ($this->current == $name)
+ return true;
+
+ $script = $this->sieve->getScript($name);
+
+ if (PEAR::isError($script))
+ return $this->_set_error(SIEVE_ERROR_OTHER);
+
+ // try to parse from Roundcube format
+ $this->script = $this->_parse($script);
+
+ $this->current = $name;
+
+ return true;
+ }
+
+ /**
+ * Loads script from text content
+ */
+ public function load_script($script)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ // try to parse from Roundcube format
+ $this->script = $this->_parse($script);
+ }
+
+ /**
+ * Creates rcube_sieve_script object from text script
+ */
+ private function _parse($txt)
+ {
+ // try to parse from Roundcube format
+ $script = new rcube_sieve_script($txt, $this->disabled);
+
+ // ... else try to import from different formats
+ if (empty($script->content)) {
+ $script = $this->_import_rules($txt);
+ $script = new rcube_sieve_script($script, $this->disabled);
+ }
+
+ // replace all elsif with if+stop, we support only ifs
+ foreach ($script->content as $idx => $rule) {
+ if (!isset($script->content[$idx+1])
+ || preg_match('/^else|elsif$/', $script->content[$idx+1]['type'])) {
+ // 'stop' not found?
+ if (!preg_match('/^(stop|vacation)$/', $rule['actions'][count($rule['actions'])-1]['type'])) {
+ $script->content[$idx]['actions'][] = array(
+ 'type' => 'stop'
+ );
+ }
+ }
+ }
+
+ return $script;
+ }
+
+ /**
+ * Gets specified script as text
+ */
+ public function get_script($name)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ $content = $this->sieve->getScript($name);
+
+ if (PEAR::isError($content))
+ return $this->_set_error(SIEVE_ERROR_OTHER);
+
+ return $content;
+ }
+
+ /**
+ * Creates empty script or copy of other script
+ */
+ public function copy($name, $copy)
+ {
+ if (!$this->sieve)
+ return $this->_set_error(SIEVE_ERROR_INTERNAL);
+
+ if ($copy) {
+ $content = $this->sieve->getScript($copy);
+
+ if (PEAR::isError($content))
+ return $this->_set_error(SIEVE_ERROR_OTHER);
+ }
+
+ return $this->save_script($name, $content);
+ }
+
+ private function _import_rules($script)
+ {
+ $i = 0;
+ $name = array();
+
+ // Squirrelmail (Avelsieve)
+ if ($tokens = preg_split('/(#START_SIEVE_RULE.*END_SIEVE_RULE)\r?\n/', $script, -1, PREG_SPLIT_DELIM_CAPTURE)) {
+ foreach($tokens as $token) {
+ if (preg_match('/^#START_SIEVE_RULE.*/', $token, $matches)) {
+ $name[$i] = "unnamed rule ".($i+1);
+ $content .= "# rule:[".$name[$i]."]\n";
+ }
+ elseif (isset($name[$i])) {
+ // This preg_replace is added because I've found some Avelsieve scripts
+ // with rules containing "if" here. I'm not sure it was working
+ // before without this or not.
+ $token = preg_replace('/^if\s+/', '', trim($token));
+ $content .= "if $token\n";
+ $i++;
+ }
+ }
+ }
+ // Horde (INGO)
+ else if ($tokens = preg_split('/(# .+)\r?\n/i', $script, -1, PREG_SPLIT_DELIM_CAPTURE)) {
+ foreach($tokens as $token) {
+ if (preg_match('/^# (.+)/i', $token, $matches)) {
+ $name[$i] = $matches[1];
+ $content .= "# rule:[" . $name[$i] . "]\n";
+ }
+ elseif (isset($name[$i])) {
+ $token = str_replace(":comparator \"i;ascii-casemap\" ", "", $token);
+ $content .= $token . "\n";
+ $i++;
+ }
+ }
+ }
+
+ return $content;
+ }
+
+ private function _set_error($error)
+ {
+ $this->error = $error;
+ return false;
+ }
+
+ /**
+ * This is our own debug handler for connection
+ */
+ public function debug_handler(&$sieve, $message)
+ {
+ write_log('sieve', preg_replace('/\r\n$/', '', $message));
+ }
+}
+
+
+class rcube_sieve_script
+{
+ public $content = array(); // script rules array
+
+ private $supported = array( // extensions supported by class
+ 'fileinto',
+ 'reject',
+ 'ereject',
+ 'copy', // RFC3894
+ 'vacation', // RFC5230
+ 'relational', // RFC3431
+ // TODO: (most wanted first) body, imapflags, notify, regex
+ );
+
+ /**
+ * Object constructor
+ *
+ * @param string Script's text content
+ * @param array Disabled extensions
+ */
+ public function __construct($script, $disabled=NULL)
+ {
+ if (!empty($disabled))
+ foreach ($disabled as $ext)
+ if (($idx = array_search($ext, $this->supported)) !== false)
+ unset($this->supported[$idx]);
+
+ $this->content = $this->_parse_text($script);
+ }
+
+ /**
+ * Adds script contents as text to the script array (at the end)
+ *
+ * @param string Text script contents
+ */
+ public function add_text($script)
+ {
+ $content = $this->_parse_text($script);
+ $result = false;
+
+ // check existsing script rules names
+ foreach ($this->content as $idx => $elem) {
+ $names[$elem['name']] = $idx;
+ }
+
+ foreach ($content as $elem) {
+ if (!isset($names[$elem['name']])) {
+ array_push($this->content, $elem);
+ $result = true;
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Adds rule to the script (at the end)
+ *
+ * @param string Rule name
+ * @param array Rule content (as array)
+ */
+ public function add_rule($content)
+ {
+ // TODO: check this->supported
+ array_push($this->content, $content);
+ return sizeof($this->content)-1;
+ }
+
+ public function delete_rule($index)
+ {
+ if(isset($this->content[$index])) {
+ unset($this->content[$index]);
+ return true;
+ }
+ return false;
+ }
+
+ public function size()
+ {
+ return sizeof($this->content);
+ }
+
+ public function update_rule($index, $content)
+ {
+ // TODO: check this->supported
+ if ($this->content[$index]) {
+ $this->content[$index] = $content;
+ return $index;
+ }
+ return false;
+ }
+
+ /**
+ * Returns script as text
+ */
+ public function as_text()
+ {
+ $script = '';
+ $exts = array();
+ $idx = 0;
+
+ // rules
+ foreach ($this->content as $rule) {
+ $extension = '';
+ $tests = array();
+ $i = 0;
+
+ // header
+ $script .= '# rule:[' . $rule['name'] . "]\n";
+
+ // constraints expressions
+ foreach ($rule['tests'] as $test) {
+ $tests[$i] = '';
+ switch ($test['test']) {
+ case 'size':
+ $tests[$i] .= ($test['not'] ? 'not ' : '');
+ $tests[$i] .= 'size :' . ($test['type']=='under' ? 'under ' : 'over ') . $test['arg'];
+ break;
+ case 'true':
+ $tests[$i] .= ($test['not'] ? 'not true' : 'true');
+ break;
+ case 'exists':
+ $tests[$i] .= ($test['not'] ? 'not ' : '');
+ if (is_array($test['arg']))
+ $tests[$i] .= 'exists ["' . implode('", "', $this->_escape_string($test['arg'])) . '"]';
+ else
+ $tests[$i] .= 'exists "' . $this->_escape_string($test['arg']) . '"';
+ break;
+ case 'header':
+ $tests[$i] .= ($test['not'] ? 'not ' : '');
+
+ // relational operator + comparator
+ if (preg_match('/^(value|count)-([gteqnl]{2})/', $test['type'], $m)) {
+ array_push($exts, 'relational');
+ array_push($exts, 'comparator-i;ascii-numeric');
+ $tests[$i] .= 'header :' . $m[1] . ' "' . $m[2] . '" :comparator "i;ascii-numeric"';
+ }
+ else
+ $tests[$i] .= 'header :' . $test['type'];
+
+ if (is_array($test['arg1']))
+ $tests[$i] .= ' ["' . implode('", "', $this->_escape_string($test['arg1'])) . '"]';
+ else
+ $tests[$i] .= ' "' . $this->_escape_string($test['arg1']) . '"';
+
+ if (is_array($test['arg2']))
+ $tests[$i] .= ' ["' . implode('", "', $this->_escape_string($test['arg2'])) . '"]';
+ else
+ $tests[$i] .= ' "' . $this->_escape_string($test['arg2']) . '"';
+
+ break;
+ }
+ $i++;
+ }
+
+// $script .= ($idx>0 ? 'els' : '').($rule['join'] ? 'if allof (' : 'if anyof (');
+ // disabled rule: if false #....
+ $script .= 'if' . ($rule['disabled'] ? ' false #' : '');
+ $script .= $rule['join'] ? ' allof (' : ' anyof (';
+ if (sizeof($tests) > 1)
+ $script .= implode(", ", $tests);
+ else if (sizeof($tests))
+ $script .= $tests[0];
+ else
+ $script .= 'true';
+ $script .= ")\n{\n";
+
+ // action(s)
+ foreach ($rule['actions'] as $action) {
+ switch ($action['type']) {
+ case 'fileinto':
+ array_push($exts, 'fileinto');
+ $script .= "\tfileinto ";
+ if ($action['copy']) {
+ $script .= ':copy ';
+ array_push($exts, 'copy');
+ }
+ $script .= "\"" . $this->_escape_string($action['target']) . "\";\n";
+ break;
+ case 'redirect':
+ $script .= "\tredirect ";
+ if ($action['copy']) {
+ $script .= ':copy ';
+ array_push($exts, 'copy');
+ }
+ $script .= "\"" . $this->_escape_string($action['target']) . "\";\n";
+ break;
+ case 'reject':
+ case 'ereject':
+ array_push($exts, $action['type']);
+ if (strpos($action['target'], "\n")!==false)
+ $script .= "\t".$action['type']." text:\n" . $action['target'] . "\n.\n;\n";
+ else
+ $script .= "\t".$action['type']." \"" . $this->_escape_string($action['target']) . "\";\n";
+ break;
+ case 'keep':
+ case 'discard':
+ case 'stop':
+ $script .= "\t" . $action['type'] .";\n";
+ break;
+ case 'vacation':
+ array_push($exts, 'vacation');
+ $script .= "\tvacation";
+ if ($action['days'])
+ $script .= " :days " . $action['days'];
+ if ($action['addresses'])
+ $script .= " :addresses " . $this->_print_list($action['addresses']);
+ if ($action['subject'])
+ $script .= " :subject \"" . $this->_escape_string($action['subject']) . "\"";
+ if ($action['handle'])
+ $script .= " :handle \"" . $this->_escape_string($action['handle']) . "\"";
+ if ($action['from'])
+ $script .= " :from \"" . $this->_escape_string($action['from']) . "\"";
+ if ($action['mime'])
+ $script .= " :mime";
+ if (strpos($action['reason'], "\n")!==false)
+ $script .= " text:\n" . $action['reason'] . "\n.\n;\n";
+ else
+ $script .= " \"" . $this->_escape_string($action['reason']) . "\";\n";
+ break;
+ }
+ }
+
+ $script .= "}\n";
+ $idx++;
+ }
+
+ // requires
+ if (!empty($exts))
+ $script = 'require ["' . implode('","', array_unique($exts)) . "\"];\n" . $script;
+
+ return $script;
+ }
+
+ /**
+ * Returns script object
+ *
+ */
+ public function as_array()
+ {
+ return $this->content;
+ }
+
+ /**
+ * Returns array of supported extensions
+ *
+ */
+ public function get_extensions()
+ {
+ return array_values($this->supported);
+ }
+
+ /**
+ * Converts text script to rules array
+ *
+ * @param string Text script
+ */
+ private function _parse_text($script)
+ {
+ $i = 0;
+ $content = array();
+
+ // remove C comments
+ $script = preg_replace('|/\*.*?\*/|sm', '', $script);
+
+ // tokenize rules
+ if ($tokens = preg_split('/(# rule:\[.*\])\r?\n/', $script, -1, PREG_SPLIT_DELIM_CAPTURE)) {
+ foreach($tokens as $token) {
+ if (preg_match('/^# rule:\[(.*)\]/', $token, $matches)) {
+ $content[$i]['name'] = $matches[1];
+ }
+ else if (isset($content[$i]['name']) && sizeof($content[$i]) == 1) {
+ if ($rule = $this->_tokenize_rule($token)) {
+ $content[$i] = array_merge($content[$i], $rule);
+ $i++;
+ }
+ else // unknown rule format
+ unset($content[$i]);
+ }
+ }
+ }
+
+ return $content;
+ }
+
+ /**
+ * Convert text script fragment to rule object
+ *
+ * @param string Text rule
+ */
+ private function _tokenize_rule($content)
+ {
+ $result = NULL;
+
+ if (preg_match('/^(if|elsif|else)\s+((true|false|not\s+true|allof|anyof|exists|header|not|size)(.*))\s+\{(.*)\}$/sm',
+ trim($content), $matches)) {
+
+ $tests = trim($matches[2]);
+
+ // disabled rule (false + comment): if false #.....
+ if ($matches[3] == 'false') {
+ $tests = preg_replace('/^false\s+#\s+/', '', $tests);
+ $disabled = true;
+ }
+ else
+ $disabled = false;
+
+ list($tests, $join) = $this->_parse_tests($tests);
+ $actions = $this->_parse_actions(trim($matches[5]));
+
+ if ($tests && $actions)
+ $result = array(
+ 'type' => $matches[1],
+ 'tests' => $tests,
+ 'actions' => $actions,
+ 'join' => $join,
+ 'disabled' => $disabled,
+ );
+ }
+
+ return $result;
+ }
+
+ /**
+ * Parse body of actions section
+ *
+ * @param string Text body
+ * @return array Array of parsed action type/target pairs
+ */
+ private function _parse_actions($content)
+ {
+ $result = NULL;
+
+ // supported actions
+ $patterns[] = '^\s*discard;';
+ $patterns[] = '^\s*keep;';
+ $patterns[] = '^\s*stop;';
+ $patterns[] = '^\s*redirect\s+(.*?[^\\\]);';
+ if (in_array('fileinto', $this->supported))
+ $patterns[] = '^\s*fileinto\s+(.*?[^\\\]);';
+ if (in_array('reject', $this->supported)) {
+ $patterns[] = '^\s*reject\s+text:(.*)\n\.\n;';
+ $patterns[] = '^\s*reject\s+(.*?[^\\\]);';
+ $patterns[] = '^\s*ereject\s+text:(.*)\n\.\n;';
+ $patterns[] = '^\s*ereject\s+(.*?[^\\\]);';
+ }
+ if (in_array('vacation', $this->supported))
+ $patterns[] = '^\s*vacation\s+(.*?[^\\\]);';
+
+ $pattern = '/(' . implode('\s*$)|(', $patterns) . '$\s*)/ms';
+
+ // parse actions body
+ if (preg_match_all($pattern, $content, $mm, PREG_SET_ORDER)) {
+ foreach ($mm as $m) {
+ $content = trim($m[0]);
+
+ if(preg_match('/^(discard|keep|stop)/', $content, $matches)) {
+ $result[] = array('type' => $matches[1]);
+ }
+ else if(preg_match('/^fileinto/', $content)) {
+ $target = $m[sizeof($m)-1];
+ $copy = false;
+ if (preg_match('/^:copy\s+/', $target)) {
+ $target = preg_replace('/^:copy\s+/', '', $target);
+ $copy = true;
+ }
+ $result[] = array('type' => 'fileinto', 'copy' => $copy,
+ 'target' => $this->_parse_string($target));
+ }
+ else if(preg_match('/^redirect/', $content)) {
+ $target = $m[sizeof($m)-1];
+ $copy = false;
+ if (preg_match('/^:copy\s+/', $target)) {
+ $target = preg_replace('/^:copy\s+/', '', $target);
+ $copy = true;
+ }
+ $result[] = array('type' => 'redirect', 'copy' => $copy,
+ 'target' => $this->_parse_string($target));
+ }
+ else if(preg_match('/^(reject|ereject)\s+(.*);$/sm', $content, $matches)) {
+ $result[] = array('type' => $matches[1], 'target' => $this->_parse_string($matches[2]));
+ }
+ else if(preg_match('/^vacation\s+(.*);$/sm', $content, $matches)) {
+ $vacation = array('type' => 'vacation');
+
+ if (preg_match('/:days\s+([0-9]+)/', $content, $vm)) {
+ $vacation['days'] = $vm[1];
+ $content = preg_replace('/:days\s+([0-9]+)/', '', $content);
+ }
+ if (preg_match('/:subject\s+"(.*?[^\\\])"/', $content, $vm)) {
+ $vacation['subject'] = $vm[1];
+ $content = preg_replace('/:subject\s+"(.*?[^\\\])"/', '', $content);
+ }
+ if (preg_match('/:addresses\s+\[(.*?[^\\\])\]/', $content, $vm)) {
+ $vacation['addresses'] = $this->_parse_list($vm[1]);
+ $content = preg_replace('/:addresses\s+\[(.*?[^\\\])\]/', '', $content);
+ }
+ if (preg_match('/:handle\s+"(.*?[^\\\])"/', $content, $vm)) {
+ $vacation['handle'] = $vm[1];
+ $content = preg_replace('/:handle\s+"(.*?[^\\\])"/', '', $content);
+ }
+ if (preg_match('/:from\s+"(.*?[^\\\])"/', $content, $vm)) {
+ $vacation['from'] = $vm[1];
+ $content = preg_replace('/:from\s+"(.*?[^\\\])"/', '', $content);
+ }
+
+ $content = preg_replace('/^vacation/', '', $content);
+ $content = preg_replace('/;$/', '', $content);
+ $content = trim($content);
+
+ if (preg_match('/^:mime/', $content, $vm)) {
+ $vacation['mime'] = true;
+ $content = preg_replace('/^:mime/', '', $content);
+ }
+
+ $vacation['reason'] = $this->_parse_string($content);
+
+ $result[] = $vacation;
+ }
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * Parse test/conditions section
+ *
+ * @param string Text
+ */
+ private function _parse_tests($content)
+ {
+ $result = NULL;
+
+ // lists
+ if (preg_match('/^(allof|anyof)\s+\((.*)\)$/sm', $content, $matches)) {
+ $content = $matches[2];
+ $join = $matches[1]=='allof' ? true : false;
+ }
+ else
+ $join = false;
+
+ // supported tests regular expressions
+ // TODO: comparators, envelope
+ $patterns[] = '(not\s+)?(exists)\s+\[(.*?[^\\\])\]';
+ $patterns[] = '(not\s+)?(exists)\s+(".*?[^\\\]")';
+ $patterns[] = '(not\s+)?(true)';
+ $patterns[] = '(not\s+)?(size)\s+:(under|over)\s+([0-9]+[KGM]{0,1})';
+ $patterns[] = '(not\s+)?(header)\s+:(contains|is|matches)((\s+))\[(.*?[^\\\]")\]\s+\[(.*?[^\\\]")\]';
+ $patterns[] = '(not\s+)?(header)\s+:(contains|is|matches)((\s+))(".*?[^\\\]")\s+(".*?[^\\\]")';
+ $patterns[] = '(not\s+)?(header)\s+:(contains|is|matches)((\s+))\[(.*?[^\\\]")\]\s+(".*?[^\\\]")';
+ $patterns[] = '(not\s+)?(header)\s+:(contains|is|matches)((\s+))(".*?[^\\\]")\s+\[(.*?[^\\\]")\]';
+ $patterns[] = '(not\s+)?(header)\s+:(count\s+"[gtleqn]{2}"|value\s+"[gtleqn]{2}")(\s+:comparator\s+"(.*?[^\\\])")?\s+\[(.*?[^\\\]")\]\s+\[(.*?[^\\\]")\]';
+ $patterns[] = '(not\s+)?(header)\s+:(count\s+"[gtleqn]{2}"|value\s+"[gtleqn]{2}")(\s+:comparator\s+"(.*?[^\\\])")?\s+(".*?[^\\\]")\s+(".*?[^\\\]")';
+ $patterns[] = '(not\s+)?(header)\s+:(count\s+"[gtleqn]{2}"|value\s+"[gtleqn]{2}")(\s+:comparator\s+"(.*?[^\\\])")?\s+\[(.*?[^\\\]")\]\s+(".*?[^\\\]")';
+ $patterns[] = '(not\s+)?(header)\s+:(count\s+"[gtleqn]{2}"|value\s+"[gtleqn]{2}")(\s+:comparator\s+"(.*?[^\\\])")?\s+(".*?[^\\\]")\s+\[(.*?[^\\\]")\]';
+
+ // join patterns...
+ $pattern = '/(' . implode(')|(', $patterns) . ')/';
+
+ // ...and parse tests list
+ if (preg_match_all($pattern, $content, $matches, PREG_SET_ORDER)) {
+ foreach ($matches as $match) {
+ $size = sizeof($match);
+
+ if (preg_match('/^(not\s+)?size/', $match[0])) {
+ $result[] = array(
+ 'test' => 'size',
+ 'not' => $match[$size-4] ? true : false,
+ 'type' => $match[$size-2], // under/over
+ 'arg' => $match[$size-1], // value
+ );
+ }
+ else if (preg_match('/^(not\s+)?header/', $match[0])) {
+ $type = $match[$size-5];
+ if (preg_match('/^(count|value)\s+"([gtleqn]{2})"/', $type, $m))
+ $type = $m[1] . '-' . $m[2];
+
+ $result[] = array(
+ 'test' => 'header',
+ 'type' => $type, // is/contains/matches
+ 'not' => $match[$size-7] ? true : false,
+ 'arg1' => $this->_parse_list($match[$size-2]), // header(s)
+ 'arg2' => $this->_parse_list($match[$size-1]), // string(s)
+ );
+ }
+ else if (preg_match('/^(not\s+)?exists/', $match[0])) {
+ $result[] = array(
+ 'test' => 'exists',
+ 'not' => $match[$size-3] ? true : false,
+ 'arg' => $this->_parse_list($match[$size-1]), // header(s)
+ );
+ }
+ else if (preg_match('/^(not\s+)?true/', $match[0])) {
+ $result[] = array(
+ 'test' => 'true',
+ 'not' => $match[$size-2] ? true : false,
+ );
+ }
+ }
+ }
+
+ return array($result, $join);
+ }
+
+ /**
+ * Parse string value
+ *
+ * @param string Text
+ */
+ private function _parse_string($content)
+ {
+ $text = '';
+ $content = trim($content);
+
+ if (preg_match('/^text:(.*)\.$/sm', $content, $matches))
+ $text = trim($matches[1]);
+ else if (preg_match('/^"(.*)"$/', $content, $matches))
+ $text = str_replace('\"', '"', $matches[1]);
+
+ return $text;
+ }
+
+ /**
+ * Escape special chars in string value
+ *
+ * @param string Text
+ */
+ private function _escape_string($content)
+ {
+ $replace['/"/'] = '\\"';
+
+ if (is_array($content)) {
+ for ($x=0, $y=sizeof($content); $x<$y; $x++)
+ $content[$x] = preg_replace(array_keys($replace),
+ array_values($replace), $content[$x]);
+
+ return $content;
+ }
+ else
+ return preg_replace(array_keys($replace), array_values($replace), $content);
+ }
+
+ /**
+ * Parse string or list of strings to string or array of strings
+ *
+ * @param string Text
+ */
+ private function _parse_list($content)
+ {
+ $result = array();
+
+ for ($x=0, $len=strlen($content); $x<$len; $x++) {
+ switch ($content[$x]) {
+ case '\\':
+ $str .= $content[++$x];
+ break;
+ case '"':
+ if (isset($str)) {
+ $result[] = $str;
+ unset($str);
+ }
+ else
+ $str = '';
+ break;
+ default:
+ if(isset($str))
+ $str .= $content[$x];
+ break;
+ }
+ }
+
+ if (sizeof($result)>1)
+ return $result;
+ else if (sizeof($result) == 1)
+ return $result[0];
+ else
+ return NULL;
+ }
+
+ /**
+ * Convert array of elements to list of strings
+ *
+ * @param string Text
+ */
+ private function _print_list($list)
+ {
+ $list = (array) $list;
+ foreach($list as $idx => $val)
+ $list[$idx] = $this->_escape_string($val);
+
+ return '["' . implode('","', $list) . '"]';
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 23:24:11 +0000