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files >> //home/kckglobal/www/portal/vendor/webklex/php-imap/src/Part.php
<?php /* * File: Part.php * Category: - * Author: M.Goldenbaum * Created: 17.09.20 20:38 * Updated: - * * Description: * - */ namespace Webklex\PHPIMAP; use Webklex\PHPIMAP\Exceptions\InvalidMessageDateException; /** * Class Part * * @package Webklex\PHPIMAP */ class Part { /** * Raw part * * @var string $raw */ public string $raw = ""; /** * Part type * * @var int $type */ public int $type = IMAP::MESSAGE_TYPE_TEXT; /** * Part content * * @var string $content */ public string $content = ""; /** * Part subtype * * @var ?string $subtype */ public ?string $subtype = null; /** * Part charset - if available * * @var string $charset */ public string $charset = "utf-8"; /** * Part encoding method * * @var int $encoding */ public int $encoding = IMAP::MESSAGE_ENC_OTHER; /** * Alias to check if the part is an attachment * * @var boolean $ifdisposition */ public bool $ifdisposition = false; /** * Indicates if the part is an attachment * * @var ?string $disposition */ public ?string $disposition = null; /** * Alias to check if the part has a description * * @var boolean $ifdescription */ public bool $ifdescription = false; /** * Part description if available * * @var ?string $description */ public ?string $description = null; /** * Part filename if available * * @var ?string $filename */ public ?string $filename = null; /** * Part name if available * * @var ?string $name */ public ?string $name = null; /** * Part id if available * * @var ?string $id */ public ?string $id = null; /** * The part number of the current part * * @var integer $part_number */ public int $part_number = 0; /** * Part length in bytes * * @var integer $bytes */ public int $bytes; /** * Part content type * * @var string|null $content_type */ public ?string $content_type = null; /** * @var ?Header $header */ private ?Header $header; /** * Part constructor. * @param $raw_part * @param Header|null $header * @param integer $part_number * * @throws InvalidMessageDateException */ public function __construct($raw_part, Header $header = null, int $part_number = 0) { $this->raw = $raw_part; $this->header = $header; $this->part_number = $part_number; $this->parse(); } /** * Parse the raw parts * * @throws InvalidMessageDateException */ protected function parse(): void { if ($this->header === null) { $body = $this->findHeaders(); }else{ $body = $this->raw; } $this->parseDisposition(); $this->parseDescription(); $this->parseEncoding(); $this->charset = $this->header->get("charset")->first(); $this->name = $this->header->get("name"); $this->filename = $this->header->get("filename"); if($this->header->get("id")->exist()) { $this->id = $this->header->get("id"); } else if($this->header->get("x_attachment_id")->exist()){ $this->id = $this->header->get("x_attachment_id"); } else if($this->header->get("content_id")->exist()){ $this->id = strtr($this->header->get("content_id"), [ '<' => '', '>' => '' ]); } $content_types = $this->header->get("content_type")->all(); if(!empty($content_types)){ $this->subtype = $this->parseSubtype($content_types); $content_type = $content_types[0]; $parts = explode(';', $content_type); $this->content_type = trim($parts[0]); } $this->content = trim(rtrim($body)); $this->bytes = strlen($this->content); } /** * Find all available headers and return the leftover body segment * * @return string * @throws InvalidMessageDateException */ private function findHeaders(): string { $body = $this->raw; while (($pos = strpos($body, "\r\n")) > 0) { $body = substr($body, $pos + 2); } $headers = substr($this->raw, 0, strlen($body) * -1); $body = substr($body, 0, -2); $this->header = new Header($headers); return $body; } /** * Try to parse the subtype if any is present * @param $content_type * * @return ?string */ private function parseSubtype($content_type): ?string { if (is_array($content_type)) { foreach ($content_type as $part){ if ((strpos($part, "/")) !== false){ return $this->parseSubtype($part); } } return null; } if (($pos = strpos($content_type, "/")) !== false){ return substr(explode(";", $content_type)[0], $pos + 1); } return null; } /** * Try to parse the disposition if any is present */ private function parseDisposition(): void { $content_disposition = $this->header->get("content_disposition")->first(); if($content_disposition) { $this->ifdisposition = true; $this->disposition = (is_array($content_disposition)) ? implode(' ', $content_disposition) : explode(";", $content_disposition)[0]; } } /** * Try to parse the description if any is present */ private function parseDescription(): void { $content_description = $this->header->get("content_description")->first(); if($content_description) { $this->ifdescription = true; $this->description = $content_description; } } /** * Try to parse the encoding if any is present */ private function parseEncoding(): void { $encoding = $this->header->get("content_transfer_encoding")->first(); if($encoding) { $this->encoding = match (strtolower($encoding)) { "quoted-printable" => IMAP::MESSAGE_ENC_QUOTED_PRINTABLE, "base64" => IMAP::MESSAGE_ENC_BASE64, "7bit" => IMAP::MESSAGE_ENC_7BIT, "8bit" => IMAP::MESSAGE_ENC_8BIT, "binary" => IMAP::MESSAGE_ENC_BINARY, default => IMAP::MESSAGE_ENC_OTHER, }; } } /** * Check if the current part represents an attachment * * @return bool */ public function isAttachment(): bool { $valid_disposition = in_array(strtolower($this->disposition ?? ''), ClientManager::get('options.dispositions')); if ($this->type == IMAP::MESSAGE_TYPE_TEXT && ($this->ifdisposition == 0 || empty($this->disposition) || !$valid_disposition)) { if (($this->subtype == null || in_array((strtolower($this->subtype)), ["plain", "html"])) && $this->filename == null && $this->name == null) { return false; } } if ($this->disposition === "inline" && $this->filename == null && $this->name == null && !$this->header->has("content_id")) { return false; } return true; } /** * Get the part header * * @return Header|null */ public function getHeader(): ?Header { return $this->header; } }
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