<?php
/**
* HTTP Proxy connection interface
*
* @package Requests\Proxy
* @since 1.6
*/
namespace WpOrg\Requests\Proxy;
use WpOrg\Requests\Exception\ArgumentCount;
use WpOrg\Requests\Exception\InvalidArgument;
use WpOrg\Requests\Hooks;
use WpOrg\Requests\Proxy;
/**
* HTTP Proxy connection interface
*
* Provides a handler for connection via an HTTP proxy
*
* @package Requests\Proxy
* @since 1.6
*/
final class Http implements Proxy {
/**
* Proxy host and port
*
* Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128)
*
* @var string
*/
public $proxy;
/**
* Username
*
* @var string
*/
public $user;
/**
* Password
*
* @var string
*/
public $pass;
/**
* Do we need to authenticate? (ie username & password have been provided)
*
* @var boolean
*/
public $use_authentication;
/**
* Constructor
*
* @since 1.6
*
* @param array|string|null $args Proxy as a string or an array of proxy, user and password.
* When passed as an array, must have exactly one (proxy)
* or three elements (proxy, user, password).
*
* @throws \WpOrg\Requests\Exception\InvalidArgument When the passed argument is not an array, a string or null.
* @throws \WpOrg\Requests\Exception\ArgumentCount On incorrect number of arguments (`proxyhttpbadargs`)
*/
public function __construct($args = null) {
if (is_string($args)) {
$this->proxy = $args;
} elseif (is_array($args)) {
if (count($args) === 1) {
list($this->proxy) = $args;
} elseif (count($args) === 3) {
list($this->proxy, $this->user, $this->pass) = $args;
$this->use_authentication = true;
} else {
throw ArgumentCount::create(
'an array with exactly one element or exactly three elements',
count($args),
'proxyhttpbadargs'
);
}
} elseif ($args !== null) {
throw InvalidArgument::create(1, '$args', 'array|string|null', gettype($args));
}
}
/**
* Register the necessary callbacks
*
* @since 1.6
* @see \WpOrg\Requests\Proxy\Http::curl_before_send()
* @see \WpOrg\Requests\Proxy\Http::fsockopen_remote_socket()
* @see \WpOrg\Requests\Proxy\Http::fsockopen_remote_host_path()
* @see \WpOrg\Requests\Proxy\Http::fsockopen_header()
* @param \WpOrg\Requests\Hooks $hooks Hook system
*/
public function register(Hooks $hooks) {
$hooks->register('curl.before_send', [$this, 'curl_before_send']);
$hooks->register('fsockopen.remote_socket', [$this, 'fsockopen_remote_socket']);
$hooks->register('fsockopen.remote_host_path', [$this, 'fsockopen_remote_host_path']);
if ($this->use_authentication) {
$hooks->register('fsockopen.after_headers', [$this, 'fsockopen_header']);
}
}
/**
* Set cURL parameters before the data is sent
*
* @since 1.6
* @param resource|\CurlHandle $handle cURL handle
*/
public function curl_before_send(&$handle) {
curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
curl_setopt($handle, CURLOPT_PROXY, $this->proxy);
if ($this->use_authentication) {
curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string());
}
}
/**
* Alter remote socket information before opening socket connection
*
* @since 1.6
* @param string $remote_socket Socket connection string
*/
public function fsockopen_remote_socket(&$remote_socket) {
$remote_socket = $this->proxy;
}
/**
* Alter remote path before getting stream data
*
* @since 1.6
* @param string $path Path to send in HTTP request string ("GET ...")
* @param string $url Full URL we're requesting
*/
public function fsockopen_remote_host_path(&$path, $url) {
$path = $url;
}
/**
* Add extra headers to the request before sending
*
* @since 1.6
* @param string $out HTTP header string
*/
public function fsockopen_header(&$out) {
$out .= sprintf("Proxy-Authorization: Basic %s\r\n", base64_encode($this->get_auth_string()));
}
/**
* Get the authentication string (user:pass)
*
* @since 1.6
* @return string
*/
public function get_auth_string() {
return $this->user . ':' . $this->pass;
}
}
ما بقاش الذكاء الاصطناعي مجرد خيال علمي أو تطور مستنيينه في المستقبل… لأ، ده بقى واقع عايشينه كل يوم، وبيأثر بشكل مباشر على شغلنا، ومهاراتنا، وحتى على الوظايف نفسها. في الفيديو ده، هنتكلم عن إزاي الذكاء الاصطناعي قلب موازين سوق العمل، إيه المهن اللي بدأت تختفي، وإيه اللي طلع جديد، وإزاي نجهز نفسنا للمستقبل اللي بدأ خلاص.