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Direktori : /proc/thread-self/root/home2/selectio/www/fms-worksuite/vendor/webklex/php-imap/src/ |
Current File : //proc/thread-self/root/home2/selectio/www/fms-worksuite/vendor/webklex/php-imap/src/Header.php |
<?php /* * File: Header.php * Category: - * Author: M.Goldenbaum * Created: 17.09.20 20:38 * Updated: - * * Description: * - */ namespace Webklex\PHPIMAP; use Carbon\Carbon; use Webklex\PHPIMAP\Exceptions\InvalidMessageDateException; use Webklex\PHPIMAP\Exceptions\MethodNotFoundException; /** * Class Header * * @package Webklex\PHPIMAP */ class Header { /** * Raw header * * @var string $raw */ public $raw = ""; /** * Attribute holder * * @var Attribute[]|array $attributes */ protected $attributes = []; /** * Config holder * * @var array $config */ protected $config = []; /** * Fallback Encoding * * @var string */ public $fallback_encoding = 'UTF-8'; /** * Convert parsed values to attributes * * @var bool */ protected $attributize = false; /** * Header constructor. * @param string $raw_header * @param boolean $attributize * * @throws InvalidMessageDateException */ public function __construct($raw_header, $attributize = true) { $this->raw = $raw_header; $this->config = ClientManager::get('options'); $this->attributize = $attributize; $this->parse(); } /** * Call dynamic attribute setter and getter methods * @param string $method * @param array $arguments * * @return Attribute|mixed * @throws MethodNotFoundException */ public function __call($method, $arguments) { if(strtolower(substr($method, 0, 3)) === 'get') { $name = preg_replace('/(.)(?=[A-Z])/u', '$1_', substr(strtolower($method), 3)); if(in_array($name, array_keys($this->attributes))) { return $this->attributes[$name]; } } throw new MethodNotFoundException("Method ".self::class.'::'.$method.'() is not supported'); } /** * Magic getter * @param $name * * @return Attribute|null */ public function __get($name) { return $this->get($name); } /** * Get a specific header attribute * @param $name * * @return Attribute|mixed */ public function get($name) { if(isset($this->attributes[$name])) { return $this->attributes[$name]; } return null; } /** * Set a specific attribute * @param string $name * @param array|mixed $value * @param boolean $strict * * @return Attribute */ public function set($name, $value, $strict = false) { if(isset($this->attributes[$name]) && $strict === false) { if ($this->attributize) { $this->attributes[$name]->add($value, true); }else{ if(isset($this->attributes[$name])) { if (is_array($this->attributes[$name]) == false) { $this->attributes[$name] = [$this->attributes[$name], $value]; }else{ $this->attributes[$name][] = $value; } }else{ $this->attributes[$name] = $value; } } }elseif($this->attributize == false){ $this->attributes[$name] = $value; }else{ $this->attributes[$name] = new Attribute($name, $value); } return $this->attributes[$name]; } /** * Perform a regex match all on the raw header and return the first result * @param $pattern * * @return mixed|null */ public function find($pattern) { if (preg_match_all($pattern, $this->raw, $matches)) { if (isset($matches[1])) { if(count($matches[1]) > 0) { return $matches[1][0]; } } } return null; } /** * Try to find a boundary if possible * * @return string|null */ public function getBoundary(){ $boundary = $this->find("/boundary\=(.*)/i"); if ($boundary === null) { return null; } return $this->clearBoundaryString($boundary); } /** * Remove all unwanted chars from a given boundary * @param string $str * * @return string */ private function clearBoundaryString($str) { return str_replace(['"', '\r', '\n', "\n", "\r", ";", "\s"], "", $str); } /** * Parse the raw headers * * @throws InvalidMessageDateException */ protected function parse(){ $header = $this->rfc822_parse_headers($this->raw); $this->extractAddresses($header); if (property_exists($header, 'subject')) { $this->set("subject", $this->decode($header->subject)); } if (property_exists($header, 'references')) { $this->set("references", $this->decode($header->references)); } if (property_exists($header, 'message_id')) { $this->set("message_id", str_replace(['<', '>'], '', $header->message_id)); } $this->parseDate($header); foreach ($header as $key => $value) { $key = trim(rtrim(strtolower($key))); if(!isset($this->attributes[$key])){ $this->set($key, $value); } } $this->extractHeaderExtensions(); $this->findPriority(); } /** * Parse mail headers from a string * @link https://php.net/manual/en/function.imap-rfc822-parse-headers.php * @param $raw_headers * * @return object */ public function rfc822_parse_headers($raw_headers){ $headers = []; $imap_headers = []; if (extension_loaded('imap') && $this->config["rfc822"]) { $raw_imap_headers = (array) \imap_rfc822_parse_headers($this->raw); foreach($raw_imap_headers as $key => $values) { $key = str_replace("-", "_", $key); $imap_headers[$key] = $values; } } $lines = explode("\r\n", str_replace("\r\n\t", ' ', $raw_headers)); $prev_header = null; foreach($lines as $line) { if (substr($line, 0, 1) === "\n") { $line = substr($line, 1); } if (substr($line, 0, 1) === "\t") { $line = substr($line, 1); $line = trim(rtrim($line)); if ($prev_header !== null) { $headers[$prev_header][] = $line; } }elseif (substr($line, 0, 1) === " ") { $line = substr($line, 1); $line = trim(rtrim($line)); if ($prev_header !== null) { if (!isset($headers[$prev_header])) { $headers[$prev_header] = ""; } if (is_array($headers[$prev_header])) { $headers[$prev_header][] = $line; }else{ $headers[$prev_header] .= $line; } } }else{ if (($pos = strpos($line, ":")) > 0) { $key = trim(rtrim(strtolower(substr($line, 0, $pos)))); $key = str_replace("-", "_", $key); $value = trim(rtrim(substr($line, $pos + 1))); if (isset($headers[$key])) { $headers[$key][] = $value; }else{ $headers[$key] = [$value]; } $prev_header = $key; } } } foreach($headers as $key => $values) { if (isset($imap_headers[$key])) continue; $value = null; switch($key){ case 'from': case 'to': case 'cc': case 'bcc': case 'reply_to': case 'sender': $value = $this->decodeAddresses($values); $headers[$key."address"] = implode(", ", $values); break; case 'subject': $value = implode(" ", $values); break; default: if (is_array($values)) { foreach($values as $k => $v) { if ($v == "") { unset($values[$k]); } } $available_values = count($values); if ($available_values === 1) { $value = array_pop($values); } elseif ($available_values === 2) { $value = implode(" ", $values); } elseif ($available_values > 2) { $value = array_values($values); } else { $value = ""; } } break; } $headers[$key] = $value; } return (object) array_merge($headers, $imap_headers); } /** * Decode MIME header elements * @link https://php.net/manual/en/function.imap-mime-header-decode.php * @param string $text The MIME text * * @return array The decoded elements are returned in an array of objects, where each * object has two properties, charset and text. */ public function mime_header_decode($text){ if (extension_loaded('imap')) { return \imap_mime_header_decode($text); } $charset = $this->getEncoding($text); return [(object)[ "charset" => $charset, "text" => $this->convertEncoding($text, $charset) ]]; } /** * Check if a given pair of strings has ben decoded * @param $encoded * @param $decoded * * @return bool */ private function notDecoded($encoded, $decoded) { return 0 === strpos($decoded, '=?') && strlen($decoded) - 2 === strpos($decoded, '?=') && false !== strpos($encoded, $decoded); } /** * Convert the encoding * @param $str * @param string $from * @param string $to * * @return mixed|string */ public function convertEncoding($str, $from = "ISO-8859-2", $to = "UTF-8") { $from = EncodingAliases::get($from, $this->fallback_encoding); $to = EncodingAliases::get($to, $this->fallback_encoding); if ($from === $to) { return $str; } // We don't need to do convertEncoding() if charset is ASCII (us-ascii): // ASCII is a subset of UTF-8, so all ASCII files are already UTF-8 encoded // https://stackoverflow.com/a/11303410 // // us-ascii is the same as ASCII: // ASCII is the traditional name for the encoding system; the Internet Assigned Numbers Authority (IANA) // prefers the updated name US-ASCII, which clarifies that this system was developed in the US and // based on the typographical symbols predominantly in use there. // https://en.wikipedia.org/wiki/ASCII // // convertEncoding() function basically means convertToUtf8(), so when we convert ASCII string into UTF-8 it gets broken. if (strtolower($from) == 'us-ascii' && $to == 'UTF-8') { return $str; } try { if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') { return iconv($from, $to, $str); } else { if (!$from) { return mb_convert_encoding($str, $to); } return mb_convert_encoding($str, $to, $from); } } catch (\Exception $e) { if (strstr($from, '-')) { $from = str_replace('-', '', $from); return $this->convertEncoding($str, $from, $to); } else { return $str; } } } /** * Get the encoding of a given abject * @param object|string $structure * * @return string */ public function getEncoding($structure) { if (property_exists($structure, 'parameters')) { foreach ($structure->parameters as $parameter) { if (strtolower($parameter->attribute) == "charset") { return EncodingAliases::get($parameter->value, $this->fallback_encoding); } } }elseif (property_exists($structure, 'charset')) { return EncodingAliases::get($structure->charset, $this->fallback_encoding); }elseif (is_string($structure) === true){ return mb_detect_encoding($structure); } return $this->fallback_encoding; } /** * Test if a given value is utf-8 encoded * @param $value * * @return bool */ private function is_uft8($value) { return strpos(strtolower($value), '=?utf-8?') === 0; } /** * Try to decode a specific header * @param mixed $value * * @return mixed */ private function decode($value) { if (is_array($value)) { return $this->decodeArray($value); } $original_value = $value; $decoder = $this->config['decoder']['message']; if ($value !== null) { $is_utf8_base = $this->is_uft8($value); if($decoder === 'utf-8' && extension_loaded('imap')) { $value = \imap_utf8($value); $is_utf8_base = $this->is_uft8($value); if ($is_utf8_base) { $value = mb_decode_mimeheader($value); } if ($this->notDecoded($original_value, $value)) { $decoded_value = $this->mime_header_decode($value); if (count($decoded_value) > 0) { if(property_exists($decoded_value[0], "text")) { $value = $decoded_value[0]->text; } } } }elseif($decoder === 'iconv' && $is_utf8_base) { $value = iconv_mime_decode($value); }elseif($is_utf8_base){ $value = mb_decode_mimeheader($value); } if ($this->is_uft8($value)) { $value = mb_decode_mimeheader($value); } if ($this->notDecoded($original_value, $value)) { $value = $this->convertEncoding($original_value, $this->getEncoding($original_value)); } } return $value; } /** * Decode a given array * @param array $values * * @return array */ private function decodeArray($values) { foreach($values as $key => $value) { $values[$key] = $this->decode($value); } return $values; } /** * Try to extract the priority from a given raw header string */ private function findPriority() { if(($priority = $this->get("x_priority")) === null) return; switch((int)"$priority"){ case IMAP::MESSAGE_PRIORITY_HIGHEST; $priority = IMAP::MESSAGE_PRIORITY_HIGHEST; break; case IMAP::MESSAGE_PRIORITY_HIGH; $priority = IMAP::MESSAGE_PRIORITY_HIGH; break; case IMAP::MESSAGE_PRIORITY_NORMAL; $priority = IMAP::MESSAGE_PRIORITY_NORMAL; break; case IMAP::MESSAGE_PRIORITY_LOW; $priority = IMAP::MESSAGE_PRIORITY_LOW; break; case IMAP::MESSAGE_PRIORITY_LOWEST; $priority = IMAP::MESSAGE_PRIORITY_LOWEST; break; default: $priority = IMAP::MESSAGE_PRIORITY_UNKNOWN; break; } $this->set("priority", $priority); } /** * Extract a given part as address array from a given header * @param $values * * @return array */ private function decodeAddresses($values) { $addresses = []; if (extension_loaded('mailparse') && $this->config["rfc822"]) { foreach ($values as $address) { foreach (\mailparse_rfc822_parse_addresses($address) as $parsed_address) { if (isset($parsed_address['address'])) { $mail_address = explode('@', $parsed_address['address']); if (count($mail_address) == 2) { $addresses[] = (object)[ "personal" => isset($parsed_address['display']) ? $parsed_address['display'] : '', "mailbox" => $mail_address[0], "host" => $mail_address[1], ]; } } } } return $addresses; } foreach($values as $address) { foreach (preg_split('/, (?=(?:[^"]*"[^"]*")*[^"]*$)/', $address) as $split_address) { $split_address = trim(rtrim($split_address)); if (strpos($split_address, ",") == strlen($split_address) - 1) { $split_address = substr($split_address, 0, -1); } if (preg_match( '/^(?:(?P<name>.+)\s)?(?(name)<|<?)(?P<email>[^\s]+?)(?(name)>|>?)$/', $split_address, $matches )) { $name = trim(rtrim($matches["name"])); $email = trim(rtrim($matches["email"])); list($mailbox, $host) = array_pad(explode("@", $email), 2, null); $addresses[] = (object)[ "personal" => $name, "mailbox" => $mailbox, "host" => $host, ]; } } } return $addresses; } /** * Extract a given part as address array from a given header * @param object $header */ private function extractAddresses($header) { foreach(['from', 'to', 'cc', 'bcc', 'reply_to', 'sender'] as $key){ if (property_exists($header, $key)) { $this->set($key, $this->parseAddresses($header->$key)); } } } /** * Parse Addresses * @param $list * * @return array */ private function parseAddresses($list) { $addresses = []; if (is_array($list) === false) { return $addresses; } foreach ($list as $item) { $address = (object) $item; if (!property_exists($address, 'mailbox')) { $address->mailbox = false; } if (!property_exists($address, 'host')) { $address->host = false; } if (!property_exists($address, 'personal')) { $address->personal = false; } else { $personalParts = $this->mime_header_decode($address->personal); if(is_array($personalParts)) { $address->personal = ''; foreach ($personalParts as $p) { $address->personal .= $this->convertEncoding($p->text, $this->getEncoding($p)); } } if (strpos($address->personal, "'") === 0) { $address->personal = str_replace("'", "", $address->personal); } } $address->mail = ($address->mailbox && $address->host) ? $address->mailbox.'@'.$address->host : false; $address->full = ($address->personal) ? $address->personal.' <'.$address->mail.'>' : $address->mail; $addresses[] = new Address($address); } return $addresses; } /** * Search and extract potential header extensions */ private function extractHeaderExtensions(){ foreach ($this->attributes as $key => $value) { if (is_array($value)) { $value = implode(", ", $value); }else{ $value = (string)$value; } // Only parse strings and don't parse any attributes like the user-agent if (in_array($key, ["user_agent"]) === false) { if (($pos = strpos($value, ";")) !== false){ $original = substr($value, 0, $pos); $this->set($key, trim(rtrim($original)), true); // Get all potential extensions $extensions = explode(";", substr($value, $pos + 1)); foreach($extensions as $extension) { if (($pos = strpos($extension, "=")) !== false){ $key = substr($extension, 0, $pos); $key = trim(rtrim(strtolower($key))); if (isset($this->attributes[$key]) === false) { $value = substr($extension, $pos + 1); $value = str_replace('"', "", $value); $value = trim(rtrim($value)); $this->set($key, $value); } } } } } } } /** * Exception handling for invalid dates * * Currently known invalid formats: * ^ Datetime ^ Problem ^ Cause * | Mon, 20 Nov 2017 20:31:31 +0800 (GMT+8:00) | Double timezone specification | A Windows feature * | Thu, 8 Nov 2018 08:54:58 -0200 (-02) | * | | and invalid timezone (max 6 char) | * | 04 Jan 2018 10:12:47 UT | Missing letter "C" | Unknown * | Thu, 31 May 2018 18:15:00 +0800 (added by) | Non-standard details added by the | Unknown * | | mail server | * | Sat, 31 Aug 2013 20:08:23 +0580 | Invalid timezone | PHPMailer bug https://sourceforge.net/p/phpmailer/mailman/message/6132703/ * * Please report any new invalid timestamps to [#45](https://github.com/Webklex/php-imap/issues) * * @param object $header * * @throws InvalidMessageDateException */ private function parseDate($header) { if (property_exists($header, 'date')) { $parsed_date = null; $date = $header->date; if(preg_match('/\+0580/', $date)) { $date = str_replace('+0580', '+0530', $date); } $date = trim(rtrim($date)); try { $parsed_date = Carbon::parse($date); } catch (\Exception $e) { switch (true) { case preg_match('/([0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ UT)+$/i', $date) > 0: case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ UT)+$/i', $date) > 0: $date .= 'C'; break; case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ \+[0-9]{2,4}\ \(\+[0-9]{1,2}\))+$/i', $date) > 0: case preg_match('/([A-Z]{2,3}[\,|\ \,]\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}.*)+$/i', $date) > 0: case preg_match('/([A-Z]{2,3}\,\ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ [\-|\+][0-9]{4}\ \(.*)\)+$/i', $date) > 0: case preg_match('/([A-Z]{2,3}\, \ [0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{4}\ [0-9]{1,2}\:[0-9]{1,2}\:[0-9]{1,2}\ [\-|\+][0-9]{4}\ \(.*)\)+$/i', $date) > 0: case preg_match('/([0-9]{1,2}\ [A-Z]{2,3}\ [0-9]{2,4}\ [0-9]{2}\:[0-9]{2}\:[0-9]{2}\ [A-Z]{2}\ \-[0-9]{2}\:[0-9]{2}\ \([A-Z]{2,3}\ \-[0-9]{2}:[0-9]{2}\))+$/i', $date) > 0: $array = explode('(', $date); $array = array_reverse($array); $date = trim(array_pop($array)); break; } try{ $parsed_date = Carbon::parse($date); } catch (\Exception $_e) { throw new InvalidMessageDateException("Invalid message date. ID:".$this->get("message_id"), 1100, $e); } } $this->set("date", $parsed_date); } } /** * Get all available attributes * * @return array */ public function getAttributes() { return $this->attributes; } }