/**
* Return an array of available capabilities.
*
* @return array
*/
function sieve_get_capability()
{
if ($this->loggedin == false) {
return false;
}
$this->__fputs('CAPABILITY');
$this->line = $this->__fgets(1024);
//Hack for older versions of Sieve Server. They do not respond with the Cyrus v2. standard
//response. They repsond as follows: "Cyrus timsieved v1.0.0" "SASL={PLAIN,........}"
//So, if we see IMLEMENTATION in the first line, then we are done.
if (preg_match("IMPLEMENTATION", $this->line)) {
//we're on the Cyrus V2 sieve server
while (sieve::status($this->line) == F_DATA) {
$this->item = sieve::parse_for_quotes($this->line);
if (strcmp($this->item[0], "IMPLEMENTATION") == 0) {
$this->capabilities["implementation"] = $this->item[1];
} elseif (strcmp($this->item[0], "SIEVE") == 0 or strcmp($this->item[0], "SASL") == 0) {
if (strcmp($this->item[0], "SIEVE") == 0) {
$this->cap_type = "modules";
} else {
$this->cap_type = "auth";
}
$this->modules = explode(" ", $this->item[1]);
if (is_array($this->modules)) {
foreach ($this->modules as $this->module) {
$this->capabilities[$this->cap_type][$this->module] = true;
}
} elseif (is_string($this->modules)) {
$this->capabilites[$this->cap_type][$this->modules] = true;
}
} else {
$this->capabilities["unknown"][] = $this->line;
}
$this->line = $this->__fgets(1024);
}
// end while
} else {
//we're on the older Cyrus V1. server
//this version does not support module reporting. We only have auth types.
$this->cap_type = "auth";
//break apart at the "Cyrus timsieve...." "SASL={......}"
$this->item = sieve::parse_for_quotes($this->line);
$this->capabilities["implementation"] = $this->item[0];
//we should have "SASL={..........}" now. Break out the {xx,yyy,zzzz}
$this->modules = substr($this->item[1], strpos($this->item[1], "{"), strlen($this->item[1]) - 1);
//then split again at the ", " stuff.
//$this->modules = split($this->modules, ", ");
$this->modules = explode(', ', $this->modules);
//fill up our $this->modules property
if (is_array($this->modules)) {
foreach ($this->modules as $this->module) {
$this->capabilities[$this->cap_type][$this->module] = true;
}
} elseif (is_string($this->modules)) {
$this->capabilites[$this->cap_type][$this->module] = true;
}
}
return $this->modules;
}
