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https://github.com/Dolibarr/dolibarr.git
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754 lines
25 KiB
PHP
754 lines
25 KiB
PHP
<?php
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/*
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* File: Header.php
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* Category: -
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* Author: M.Goldenbaum
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* Created: 17.09.20 20:38
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* Updated: -
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*
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* Description:
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* -
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*/
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namespace Webklex\PHPIMAP;
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use Carbon\Carbon;
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use Webklex\PHPIMAP\Exceptions\InvalidMessageDateException;
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use Webklex\PHPIMAP\Exceptions\MethodNotFoundException;
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/**
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* Class Header
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*
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* @package Webklex\PHPIMAP
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*/
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class Header {
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/**
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* Raw header
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*
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* @var string $raw
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*/
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public $raw = "";
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/**
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* Attribute holder
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*
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* @var Attribute[]|array $attributes
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*/
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protected $attributes = [];
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/**
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* Config holder
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*
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* @var array $config
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*/
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protected $config = [];
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/**
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* Fallback Encoding
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*
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* @var string
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*/
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public $fallback_encoding = 'UTF-8';
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/**
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* Convert parsed values to attributes
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*
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* @var bool
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*/
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protected $attributize = false;
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/**
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* Header constructor.
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* @param string $raw_header
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* @param boolean $attributize
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*
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* @throws InvalidMessageDateException
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*/
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public function __construct($raw_header, $attributize = true) {
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$this->raw = $raw_header;
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$this->config = ClientManager::get('options');
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$this->attributize = $attributize;
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$this->parse();
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}
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/**
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* Call dynamic attribute setter and getter methods
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* @param string $method
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* @param array $arguments
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*
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* @return Attribute|mixed
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* @throws MethodNotFoundException
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*/
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public function __call($method, $arguments) {
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if(strtolower(substr($method, 0, 3)) === 'get') {
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$name = preg_replace('/(.)(?=[A-Z])/u', '$1_', substr(strtolower($method), 3));
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if(in_array($name, array_keys($this->attributes))) {
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return $this->attributes[$name];
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}
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}
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throw new MethodNotFoundException("Method ".self::class.'::'.$method.'() is not supported');
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}
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/**
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* Magic getter
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* @param $name
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*
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* @return Attribute|null
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*/
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public function __get($name) {
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return $this->get($name);
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}
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/**
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* Get a specific header attribute
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* @param $name
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*
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* @return Attribute|mixed
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*/
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public function get($name) {
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if(isset($this->attributes[$name])) {
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return $this->attributes[$name];
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}
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return null;
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}
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/**
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* Set a specific attribute
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* @param string $name
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* @param array|mixed $value
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* @param boolean $strict
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*
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* @return Attribute
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*/
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public function set($name, $value, $strict = false) {
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if(isset($this->attributes[$name]) && $strict === false) {
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if ($this->attributize) {
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$this->attributes[$name]->add($value, true);
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}else{
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if(isset($this->attributes[$name])) {
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if (is_array($this->attributes[$name]) == false) {
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$this->attributes[$name] = [$this->attributes[$name], $value];
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}else{
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$this->attributes[$name][] = $value;
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}
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}else{
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$this->attributes[$name] = $value;
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}
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}
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}elseif($this->attributize == false){
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$this->attributes[$name] = $value;
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}else{
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$this->attributes[$name] = new Attribute($name, $value);
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}
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return $this->attributes[$name];
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}
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/**
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* Perform a regex match all on the raw header and return the first result
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* @param $pattern
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*
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* @return mixed|null
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*/
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public function find($pattern) {
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if (preg_match_all($pattern, $this->raw, $matches)) {
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if (isset($matches[1])) {
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if(count($matches[1]) > 0) {
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return $matches[1][0];
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}
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}
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}
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return null;
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}
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/**
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* Try to find a boundary if possible
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*
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* @return string|null
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*/
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public function getBoundary(){
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$boundary = $this->find("/boundary\=(.*)/i");
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if ($boundary === null) {
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return null;
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}
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return $this->clearBoundaryString($boundary);
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}
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/**
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* Remove all unwanted chars from a given boundary
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* @param string $str
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*
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* @return string
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*/
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private function clearBoundaryString($str) {
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return str_replace(['"', '\r', '\n', "\n", "\r", ";", "\s"], "", $str);
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}
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/**
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* Parse the raw headers
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*
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* @throws InvalidMessageDateException
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*/
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protected function parse(){
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$header = $this->rfc822_parse_headers($this->raw);
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$this->extractAddresses($header);
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if (property_exists($header, 'subject')) {
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$this->set("subject", $this->decode($header->subject));
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}
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if (property_exists($header, 'references')) {
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$this->set("references", $this->decode($header->references));
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}
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if (property_exists($header, 'message_id')) {
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$this->set("message_id", str_replace(['<', '>'], '', $header->message_id));
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}
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$this->parseDate($header);
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foreach ($header as $key => $value) {
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$key = trim(rtrim(strtolower($key)));
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if(!isset($this->attributes[$key])){
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$this->set($key, $value);
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}
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}
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$this->extractHeaderExtensions();
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$this->findPriority();
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}
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/**
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* Parse mail headers from a string
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* @link https://php.net/manual/en/function.imap-rfc822-parse-headers.php
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* @param $raw_headers
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*
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* @return object
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*/
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public function rfc822_parse_headers($raw_headers){
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$headers = [];
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$imap_headers = [];
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if (extension_loaded('imap') && $this->config["rfc822"]) {
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$raw_imap_headers = (array) \imap_rfc822_parse_headers($this->raw);
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foreach($raw_imap_headers as $key => $values) {
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$key = str_replace("-", "_", $key);
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$imap_headers[$key] = $values;
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}
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}
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$lines = explode("\r\n", str_replace("\r\n\t", ' ', $raw_headers));
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$prev_header = null;
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foreach($lines as $line) {
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if (substr($line, 0, 1) === "\n") {
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$line = substr($line, 1);
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}
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if (substr($line, 0, 1) === "\t") {
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$line = substr($line, 1);
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$line = trim(rtrim($line));
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if ($prev_header !== null) {
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$headers[$prev_header][] = $line;
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}
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}elseif (substr($line, 0, 1) === " ") {
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$line = substr($line, 1);
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$line = trim(rtrim($line));
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if ($prev_header !== null) {
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if (!isset($headers[$prev_header])) {
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$headers[$prev_header] = "";
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}
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if (is_array($headers[$prev_header])) {
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$headers[$prev_header][] = $line;
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}else{
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$headers[$prev_header] .= $line;
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}
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}
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}else{
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if (($pos = strpos($line, ":")) > 0) {
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$key = trim(rtrim(strtolower(substr($line, 0, $pos))));
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$key = str_replace("-", "_", $key);
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$value = trim(rtrim(substr($line, $pos + 1)));
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if (isset($headers[$key])) {
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$headers[$key][] = $value;
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}else{
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$headers[$key] = [$value];
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}
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$prev_header = $key;
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}
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}
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}
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foreach($headers as $key => $values) {
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if (isset($imap_headers[$key])) continue;
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$value = null;
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switch($key){
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case 'from':
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case 'to':
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case 'cc':
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case 'bcc':
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case 'reply_to':
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case 'sender':
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$value = $this->decodeAddresses($values);
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$headers[$key."address"] = implode(", ", $values);
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break;
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case 'subject':
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$value = implode(" ", $values);
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break;
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default:
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if (is_array($values)) {
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foreach($values as $k => $v) {
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if ($v == "") {
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unset($values[$k]);
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}
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}
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$available_values = count($values);
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if ($available_values === 1) {
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$value = array_pop($values);
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} elseif ($available_values === 2) {
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$value = implode(" ", $values);
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} elseif ($available_values > 2) {
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$value = array_values($values);
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} else {
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$value = "";
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}
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}
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break;
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}
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$headers[$key] = $value;
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}
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return (object) array_merge($headers, $imap_headers);
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}
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/**
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* Decode MIME header elements
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* @link https://php.net/manual/en/function.imap-mime-header-decode.php
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* @param string $text The MIME text
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*
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* @return array The decoded elements are returned in an array of objects, where each
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* object has two properties, charset and text.
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*/
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public function mime_header_decode($text){
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if (extension_loaded('imap')) {
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return \imap_mime_header_decode($text);
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}
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$charset = $this->getEncoding($text);
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return [(object)[
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"charset" => $charset,
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"text" => $this->convertEncoding($text, $charset)
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]];
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}
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/**
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* Check if a given pair of strings has ben decoded
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* @param $encoded
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* @param $decoded
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*
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* @return bool
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*/
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private function notDecoded($encoded, $decoded) {
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return 0 === strpos($decoded, '=?')
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&& strlen($decoded) - 2 === strpos($decoded, '?=')
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&& false !== strpos($encoded, $decoded);
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}
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/**
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* Convert the encoding
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* @param $str
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* @param string $from
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* @param string $to
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*
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* @return mixed|string
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*/
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public function convertEncoding($str, $from = "ISO-8859-2", $to = "UTF-8") {
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$from = EncodingAliases::get($from, $this->fallback_encoding);
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$to = EncodingAliases::get($to, $this->fallback_encoding);
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if ($from === $to) {
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return $str;
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}
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// We don't need to do convertEncoding() if charset is ASCII (us-ascii):
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// ASCII is a subset of UTF-8, so all ASCII files are already UTF-8 encoded
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// https://stackoverflow.com/a/11303410
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//
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// us-ascii is the same as ASCII:
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// ASCII is the traditional name for the encoding system; the Internet Assigned Numbers Authority (IANA)
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// prefers the updated name US-ASCII, which clarifies that this system was developed in the US and
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// based on the typographical symbols predominantly in use there.
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// https://en.wikipedia.org/wiki/ASCII
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//
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// convertEncoding() function basically means convertToUtf8(), so when we convert ASCII string into UTF-8 it gets broken.
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if (strtolower($from) == 'us-ascii' && $to == 'UTF-8') {
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return $str;
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}
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try {
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if (function_exists('iconv') && $from != 'UTF-7' && $to != 'UTF-7') {
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return iconv($from, $to, $str);
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} else {
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if (!$from) {
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return mb_convert_encoding($str, $to);
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}
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return mb_convert_encoding($str, $to, $from);
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}
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} catch (\Exception $e) {
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if (strstr($from, '-')) {
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$from = str_replace('-', '', $from);
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return $this->convertEncoding($str, $from, $to);
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} else {
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return $str;
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}
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}
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}
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/**
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* Get the encoding of a given abject
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* @param object|string $structure
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*
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* @return string
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*/
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public function getEncoding($structure) {
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if (property_exists($structure, 'parameters')) {
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foreach ($structure->parameters as $parameter) {
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if (strtolower($parameter->attribute) == "charset") {
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return EncodingAliases::get($parameter->value, $this->fallback_encoding);
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}
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}
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}elseif (property_exists($structure, 'charset')) {
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return EncodingAliases::get($structure->charset, $this->fallback_encoding);
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}elseif (is_string($structure) === true){
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return mb_detect_encoding($structure);
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}
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return $this->fallback_encoding;
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}
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/**
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* Test if a given value is utf-8 encoded
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* @param $value
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*
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* @return bool
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*/
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private function is_uft8($value) {
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return strpos(strtolower($value), '=?utf-8?') === 0;
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}
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/**
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* Try to decode a specific header
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* @param mixed $value
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*
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* @return mixed
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*/
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private function decode($value) {
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if (is_array($value)) {
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return $this->decodeArray($value);
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}
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$original_value = $value;
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$decoder = $this->config['decoder']['message'];
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if ($value !== null) {
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$is_utf8_base = $this->is_uft8($value);
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if($decoder === 'utf-8' && extension_loaded('imap')) {
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$value = \imap_utf8($value);
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$is_utf8_base = $this->is_uft8($value);
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if ($is_utf8_base) {
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$value = mb_decode_mimeheader($value);
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}
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if ($this->notDecoded($original_value, $value)) {
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$decoded_value = $this->mime_header_decode($value);
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if (count($decoded_value) > 0) {
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if(property_exists($decoded_value[0], "text")) {
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$value = $decoded_value[0]->text;
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}
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}
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}
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}elseif($decoder === 'iconv' && $is_utf8_base) {
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$value = iconv_mime_decode($value);
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}elseif($is_utf8_base){
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$value = mb_decode_mimeheader($value);
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}
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if ($this->is_uft8($value)) {
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$value = mb_decode_mimeheader($value);
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}
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if ($this->notDecoded($original_value, $value)) {
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$value = $this->convertEncoding($original_value, $this->getEncoding($original_value));
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}
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}
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return $value;
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}
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/**
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* Decode a given array
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* @param array $values
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*
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* @return array
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*/
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private function decodeArray($values) {
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foreach($values as $key => $value) {
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$values[$key] = $this->decode($value);
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}
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return $values;
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}
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/**
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* Try to extract the priority from a given raw header string
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*/
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private function findPriority() {
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if(($priority = $this->get("x_priority")) === null) return;
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switch((int)"$priority"){
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case IMAP::MESSAGE_PRIORITY_HIGHEST;
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$priority = IMAP::MESSAGE_PRIORITY_HIGHEST;
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break;
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case IMAP::MESSAGE_PRIORITY_HIGH;
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$priority = IMAP::MESSAGE_PRIORITY_HIGH;
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break;
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case IMAP::MESSAGE_PRIORITY_NORMAL;
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$priority = IMAP::MESSAGE_PRIORITY_NORMAL;
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break;
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case IMAP::MESSAGE_PRIORITY_LOW;
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$priority = IMAP::MESSAGE_PRIORITY_LOW;
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break;
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case IMAP::MESSAGE_PRIORITY_LOWEST;
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$priority = IMAP::MESSAGE_PRIORITY_LOWEST;
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break;
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default:
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$priority = IMAP::MESSAGE_PRIORITY_UNKNOWN;
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break;
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}
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$this->set("priority", $priority);
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}
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/**
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* Extract a given part as address array from a given header
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* @param $values
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*
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* @return array
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*/
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private function decodeAddresses($values) {
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$addresses = [];
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if (extension_loaded('mailparse') && $this->config["rfc822"]) {
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foreach ($values as $address) {
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foreach (\mailparse_rfc822_parse_addresses($address) as $parsed_address) {
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if (isset($parsed_address['address'])) {
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$mail_address = explode('@', $parsed_address['address']);
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if (count($mail_address) == 2) {
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$addresses[] = (object)[
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"personal" => isset($parsed_address['display']) ? $parsed_address['display'] : '',
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"mailbox" => $mail_address[0],
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"host" => $mail_address[1],
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];
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}
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}
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}
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}
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return $addresses;
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}
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foreach($values as $address) {
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foreach (preg_split('/, (?=(?:[^"]*"[^"]*")*[^"]*$)/', $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;
|
|
}
|
|
|
|
}
|