/**
* Create date-based header from string
*
* @param string $headerLine
* @return AbstractDate
* @throws Exception\InvalidArgumentException
*/
public static function fromString($headerLine)
{
$dateHeader = new static();
list($name, $date) = explode(': ', $headerLine, 2);
// check to ensure proper header type for this factory
if (strtolower($name) !== strtolower($dateHeader->getFieldName())) {
throw new Exception\InvalidArgumentException('Invalid header line for "' . $dateHeader->getFieldName() . '" header string');
}
$dateHeader->setDate($date);
return $dateHeader;
}
/**
* Create location-based header from string
*
* @param string $headerLine
* @return AbstractLocation
* @throws Exception\InvalidArgumentException
*/
public static function fromString($headerLine)
{
$locationHeader = new static();
// ZF-5520 - IIS bug, no space after colon
list($name, $uri) = GenericHeader::splitHeaderLine($headerLine);
// check to ensure proper header type for this factory
if (strtolower($name) !== strtolower($locationHeader->getFieldName())) {
throw new Exception\InvalidArgumentException('Invalid header line for "' . $locationHeader->getFieldName() . '" header string');
}
$locationHeader->setUri(trim($uri));
return $locationHeader;
}
/**
* Factory method: parse Accept header string
*
* @param string $headerLine
* @return Accept
*/
public static function fromString($headerLine)
{
$acceptHeader = new static();
list($name, $values) = explode(': ', $headerLine, 2);
// check to ensure proper header type for this factory
if (strtolower($name) !== strtolower($acceptHeader->getFieldName())) {
throw new Exception\InvalidArgumentException('Invalid header line for ' . $acceptHeader->getFieldName() . ' header string');
}
// process multiple accept values
$acceptHeader->values = explode(',', $values);
foreach ($acceptHeader->values as $index => $value) {
$value = trim($value);
$acceptHeader->values[$index] = $value;
$payload = array(
'type' => strtolower($value),
'priority' => 1,
);
if (strstr($value, ';')) {
list($type, $priority) = explode(';', $value, 2);
$payload['type'] = strtolower(trim($type));
// parse priority
$priority = explode(';', trim($priority));
$finalPriority = 1;
foreach ($priority as $p) {
list($type, $value) = explode('=', trim($p), 2);
if ($type == 'q') {
$payload['priority'] = $value;
} elseif ($type == 'level') {
$payload['level'] = $value;
}
}
}
if (!isset($acceptHeader->types[$payload['type']])) {
$acceptHeader->types[$payload['type']] = true;
}
$acceptHeader->prioritizedValues[] = $payload;
}
return $acceptHeader;
}
/**
* Create Retry-After header from string
*
* @param string $headerLine
* @return RetryAfter
* @throws Exception\InvalidArgumentException
*/
public static function fromString($headerLine)
{
$dateHeader = new static();
list($name, $date) = GenericHeader::splitHeaderLine($headerLine);
// check to ensure proper header type for this factory
if (strtolower($name) !== strtolower($dateHeader->getFieldName())) {
throw new Exception\InvalidArgumentException('Invalid header line for "' . $dateHeader->getFieldName() . '" header string');
}
if (is_numeric($date)) {
$dateHeader->setDeltaSeconds($date);
} else {
$dateHeader->setDate($date);
}
return $dateHeader;
}
/**
* Factory create AcceptHeader from string representation.
*
* @param string $headerLine
*
* @return $this
*
* @throws InvalidArgumentException
*/
public static function fromString($headerLine)
{
$headerLine = (string) $headerLine;
$pos = strpos($headerLine, ':');
$fieldName = substr($headerLine, 0, $pos);
$header = new static();
$items = array();
if ($fieldName !== $header->getFieldName()) {
throw new InvalidArgumentException(sprintf('Header "%s" can\'t parse value "%s".', $header->getFieldName(), $fieldName));
}
preg_match_all('#((("[^"\']++")|(\'[^"\']++\'))|[^,"\'])+#', trim(substr($headerLine, $pos + 1)), $items);
foreach (array_map('trim', $items[0]) as $index => $itemValueString) {
$item = AcceptHeaderItem::fromString($itemValueString);
$item->setIndex($index);
$header->add($item);
}
return $header;
}
/**
* Create Content Security Policy header from a given header line
*
* @param string $headerLine The header line to parse.
* @return self
* @throws Exception\InvalidArgumentException If the name field in the given header line does not match.
*/
public static function fromString($headerLine)
{
$header = new static();
$headerName = $header->getFieldName();
list($name, $value) = GenericHeader::splitHeaderLine($headerLine);
// Ensure the proper header name
if (strcasecmp($name, $headerName) != 0) {
throw new Exception\InvalidArgumentException(sprintf('Invalid header line for %s string: "%s"', $headerName, $name));
}
// As per http://www.w3.org/TR/CSP/#parsing
$tokens = explode(';', $value);
foreach ($tokens as $token) {
$token = trim($token);
if ($token) {
list($directiveName, $directiveValue) = explode(' ', $token, 2);
if (!isset($header->directives[$directiveName])) {
$header->directives[$directiveName] = $directiveValue;
}
}
}
return $header;
}
/**
* Create date-based header from Unix timestamp
*
* @param int $time
*
* @return self
*
* @throws Exception\InvalidArgumentException
*/
public static function fromTimestamp($time)
{
$dateHeader = new static();
if (!$time || !is_numeric($time)) {
throw new Exception\InvalidArgumentException('Invalid time for "' . $dateHeader->getFieldName() . '" header string');
}
$dateHeader->setDate(new DateTime('@' . $time));
return $dateHeader;
}
