user-submitted-posts / recaptcha / ReCaptcha / RequestMethod / Socket.php

Socket.php in User Submitted Posts – Enable Users to Submit Posts from the Front End 20260916, at recaptcha/ReCaptcha/RequestMethod/Socket.php

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1	<?php
2	/**
3	* This is a PHP library that handles calling reCAPTCHA.
4	*
5	* BSD 3-Clause License
6	* @copyright (c) 2019, Google Inc.
7	* @link https://www.google.com/recaptcha
8	* All rights reserved.
9	*
10	* Redistribution and use in source and binary forms, with or without
11	* modification, are permitted provided that the following conditions are met:
12	* 1. Redistributions of source code must retain the above copyright notice, this
13	* list of conditions and the following disclaimer.
14	*
15	* 2. Redistributions in binary form must reproduce the above copyright notice,
16	* this list of conditions and the following disclaimer in the documentation
17	* and/or other materials provided with the distribution.
18	*
19	* 3. Neither the name of the copyright holder nor the names of its
20	* contributors may be used to endorse or promote products derived from
21	* this software without specific prior written permission.
22	*
23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26	* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
27	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
30	* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32	* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33	*/
34
35	namespace ReCaptcha\RequestMethod;
36
37	/**
38	* Convenience wrapper around native socket and file functions to allow for
39	* mocking.
40	*/
41	class Socket
42	{
43	private $handle = null;
44
45	/**
46	* fsockopen
47	*
48	* @see http://php.net/fsockopen
49	* @param string $hostname
50	* @param int $port
51	* @param int $errno
52	* @param string $errstr
53	* @param float $timeout
54	* @return resource
55	*/
56	public function fsockopen($hostname, $port = -1, &$errno = 0, &$errstr = '', $timeout = null)
57	{
58	$this->handle = fsockopen($hostname, $port, $errno, $errstr, (is_null($timeout) ? ini_get("default_socket_timeout") : $timeout));
59
60	if ($this->handle != false && $errno === 0 && $errstr === '') {
61	return $this->handle;
62	}
63	return false;
64	}
65
66	/**
67	* fwrite
68	*
69	* @see http://php.net/fwrite
70	* @param string $string
71	* @param int $length
72	* @return int \| bool
73	*/
74	public function fwrite($string, $length = null)
75	{
76	return fwrite($this->handle, $string, (is_null($length) ? strlen($string) : $length));
77	}
78
79	/**
80	* fgets
81	*
82	* @see http://php.net/fgets
83	* @param int $length
84	* @return string
85	*/
86	public function fgets($length = null)
87	{
88	return fgets($this->handle, $length);
89	}
90
91	/**
92	* feof
93	*
94	* @see http://php.net/feof
95	* @return bool
96	*/
97	public function feof()
98	{
99	return feof($this->handle);
100	}
101
102	/**
103	* fclose
104	*
105	* @see http://php.net/fclose
106	* @return bool
107	*/
108	public function fclose()
109	{
110	return fclose($this->handle);
111	}
112	}
113