Subversion-Projekte lars-tiefland.laravel_shop

Revision

Details | Letzte Änderung | Log anzeigen | RSS feed

Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
2 
 
3 
/*
4 
 * This file is part of the Symfony package.
5 
 *
6 
 * (c) Fabien Potencier <fabien@symfony.com>
7 
 *
8 
 * For the full copyright and license information, please view the LICENSE
9 
 * file that was distributed with this source code.
10 
 */
11 
 
12 
namespace Symfony\Component\Mailer\Transport\Smtp\Stream;
13 
 
14 
use Symfony\Component\Mailer\Exception\TransportException;
15 
 
16 
/**
17 
 * A stream supporting remote sockets and local processes.
18 
 *
19 
 * @author Fabien Potencier <fabien@symfony.com>
20 
 * @author Nicolas Grekas <p@tchwork.com>
21 
 * @author Chris Corbyn
22 
 *
23 
 * @internal
24 
 */
25 
abstract class AbstractStream
26 
{
27 
    protected $stream;
28 
    protected $in;
29 
    protected $out;
30 
 
31 
    private string $debug = '';
32 
 
33 
    public function write(string $bytes, bool $debug = true): void
34 
    {
35 
        if ($debug) {
36 
            foreach (explode("\n", trim($bytes)) as $line) {
37 
                $this->debug .= sprintf("> %s\n", $line);
38 
            }
39 
        }
40 
 
41 
        $bytesToWrite = \strlen($bytes);
42 
        $totalBytesWritten = 0;
43 
        while ($totalBytesWritten < $bytesToWrite) {
44 
            $bytesWritten = @fwrite($this->in, substr($bytes, $totalBytesWritten));
45 
            if (false === $bytesWritten || 0 === $bytesWritten) {
46 
                throw new TransportException('Unable to write bytes on the wire.');
47 
            }
48 
 
49 
            $totalBytesWritten += $bytesWritten;
50 
        }
51 
    }
52 
 
53 
    /**
54 
     * Flushes the contents of the stream (empty it) and set the internal pointer to the beginning.
55 
     */
56 
    public function flush(): void
57 
    {
58 
        fflush($this->in);
59 
    }
60 
 
61 
    /**
62 
     * Performs any initialization needed.
63 
     */
64 
    abstract public function initialize(): void;
65 
 
66 
    public function terminate(): void
67 
    {
68 
        $this->stream = $this->out = $this->in = null;
69 
    }
70 
 
71 
    public function readLine(): string
72 
    {
73 
        if (feof($this->out)) {
74 
            return '';
75 
        }
76 
 
77 
        $line = fgets($this->out);
78 
        if ('' === $line || false === $line) {
79 
            $metas = stream_get_meta_data($this->out);
80 
            if ($metas['timed_out']) {
81 
                throw new TransportException(sprintf('Connection to "%s" timed out.', $this->getReadConnectionDescription()));
82 
            }
83 
            if ($metas['eof']) {
84 
                throw new TransportException(sprintf('Connection to "%s" has been closed unexpectedly.', $this->getReadConnectionDescription()));
85 
            }
86 
        }
87 
 
88 
        $this->debug .= sprintf('< %s', $line);
89 
 
90 
        return $line;
91 
    }
92 
 
93 
    public function getDebug(): string
94 
    {
95 
        $debug = $this->debug;
96 
        $this->debug = '';
97 
 
98 
        return $debug;
99 
    }
100 
 
101 
    public static function replace(string $from, string $to, iterable $chunks): \Generator
102 
    {
103 
        if ('' === $from) {
104 
            yield from $chunks;
105 
 
106 
            return;
107 
        }
108 
 
109 
        $carry = '';
110 
        $fromLen = \strlen($from);
111 
 
112 
        foreach ($chunks as $chunk) {
113 
            if ('' === $chunk = $carry.$chunk) {
114 
                continue;
115 
            }
116 
 
117 
            if (str_contains($chunk, $from)) {
118 
                $chunk = explode($from, $chunk);
119 
                $carry = array_pop($chunk);
120 
 
121 
                yield implode($to, $chunk).$to;
122 
            } else {
123 
                $carry = $chunk;
124 
            }
125 
 
126 
            if (\strlen($carry) > $fromLen) {
127 
                yield substr($carry, 0, -$fromLen);
128 
                $carry = substr($carry, -$fromLen);
129 
            }
130 
        }
131 
 
132 
        if ('' !== $carry) {
133 
            yield $carry;
134 
        }
135 
    }
136 
 
137 
    abstract protected function getReadConnectionDescription(): string;
138 
}