mirror of https://github.com/itflow-org/itflow
98 lines
3.2 KiB
PHP
98 lines
3.2 KiB
PHP
<?php
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/*
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* File: Decoder.php
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* Category: -
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* Author: M.Goldenbaum
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* Created: 12.04.24 20:14
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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\Decoder;
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use Webklex\PHPIMAP\EncodingAliases;
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/**
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* Class HeaderDecoder
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*
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* @package Webklex\PHPIMAP
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*/
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class HeaderDecoder extends Decoder {
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public function decode(array|string|null $value, ?string $encoding = null): mixed {
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if (is_array($value)) {
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return $this->decodeHeaderArray($value);
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}
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$original_value = $value;
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$decoder = $this->options['header'];
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if ($value !== null) {
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if ($decoder === 'utf-8') {
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$decoded_values = $this->mimeHeaderDecode($value);
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$tempValue = "";
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foreach ($decoded_values as $decoded_value) {
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$tempValue .= $this->convertEncoding($decoded_value->text, $decoded_value->charset);
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}
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if ($tempValue) {
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$value = $tempValue;
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} else if (extension_loaded('imap')) {
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$value = \imap_utf8($value);
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} else if (function_exists('iconv_mime_decode')) {
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$value = iconv_mime_decode($value, ICONV_MIME_DECODE_CONTINUE_ON_ERROR, "UTF-8");
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} else {
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$value = mb_decode_mimeheader($value);
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}
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} elseif ($decoder === 'iconv') {
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$value = iconv_mime_decode($value, ICONV_MIME_DECODE_CONTINUE_ON_ERROR, "UTF-8");
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} else if (self::isUTF8($value)) {
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$value = mb_decode_mimeheader($value);
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}
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if (self::notDecoded($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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* 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(object|string $structure): string {
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if (property_exists($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($parameter->value == "default" ? EncodingAliases::detectEncoding($parameter->value) : $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($structure->charset == "default" ? EncodingAliases::detectEncoding($structure->charset) : $structure->charset, $this->fallback_encoding);
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} elseif (is_string($structure) === true) {
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$result = mb_detect_encoding($structure);
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return $result === false ? $this->fallback_encoding : $result;
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}
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return $this->fallback_encoding;
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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 decodeHeaderArray(array $values): array {
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foreach ($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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} |