curl_https.php

a-base.sh

wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/curl_https-no-ssl_verifyhost.php" -O curl_https-no-ssl_verifyhost.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/curl_https-no-ssl_verifypeer-no_ssl_verifyhost.php" -O curl_https-no-ssl_verifypeer-no_ssl_verifyhost.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/curl_https-no-ssl_verifypeer.php" -O curl_https-no-ssl_verifypeer.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/curl_https-ssl_verifypeer-ssl_verifyhost.php" -O curl_https-ssl_verifypeer-ssl_verifyhost.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/curl_https.php" -O curl_https.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/file_get_contents-https.php" -O file_get_contents-https.php
wget "https://gist.github.com/piotr-zuralski/c4e63a2e1d74efc9ccc4e81b4e7232e3/raw/openssl-verify.php" -O openssl-verify.php

curl_https-no-ssl_verifyhost.php

<?php

$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://api.wordpress.org/secret-key/1.1/salt/',
  CURLOPT_ENCODING => '',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_SSL_VERIFYPEER => true,
  CURLOPT_SSL_VERIFYHOST => false,
  CURLOPT_HEADER => true,
  CURLOPT_CERTINFO => true,
  CURLOPT_VERBOSE => true,
]);

echo '<pre>';
var_export([
  'result' => curl_exec($ch),
  'info  ' => curl_getinfo($ch),
  'errno ' => curl_errno($ch),
  'error ' => curl_error($ch),
]);
curl_close($ch);

curl_https-no-ssl_verifypeer-no_ssl_verifyhost.php

<?php

$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://api.wordpress.org/secret-key/1.1/salt/',
  CURLOPT_ENCODING => '',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_SSL_VERIFYPEER => false,
  CURLOPT_SSL_VERIFYHOST => false,
  CURLOPT_HEADER => true,
  CURLOPT_CERTINFO => true,
  CURLOPT_VERBOSE => true,
]);

echo '<pre>';
var_export([
  'result' => curl_exec($ch),
  'info  ' => curl_getinfo($ch),
  'errno ' => curl_errno($ch),
  'error ' => curl_error($ch),
]);
curl_close($ch);

curl_https-no-ssl_verifypeer.php

<?php

$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://api.wordpress.org/secret-key/1.1/salt/',
  CURLOPT_ENCODING => '',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_SSL_VERIFYPEER => false,
  CURLOPT_SSL_VERIFYHOST => true,
  CURLOPT_HEADER => true,
  CURLOPT_CERTINFO => true,
  CURLOPT_VERBOSE => true,
]);

echo '<pre>';
var_export([
  'result' => curl_exec($ch),
  'info  ' => curl_getinfo($ch),
  'errno ' => curl_errno($ch),
  'error ' => curl_error($ch),
]);
curl_close($ch);

curl_https-ssl_verifypeer-ssl_verifyhost.php

<?php

$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://api.wordpress.org/secret-key/1.1/salt/',
  CURLOPT_ENCODING => '',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_SSL_VERIFYPEER => true,
  CURLOPT_SSL_VERIFYHOST => true,
  CURLOPT_HEADER => true,
  CURLOPT_CERTINFO => true,
  CURLOPT_VERBOSE => true,
]);

echo '<pre>';
var_export([
  'result' => curl_exec($ch),
  'info  ' => curl_getinfo($ch),
  'errno ' => curl_errno($ch),
  'error ' => curl_error($ch),
]);
curl_close($ch);

curl_https.php

<?php
  
$ch = curl_init();
curl_setopt_array($ch, [
  CURLOPT_URL => 'https://api.wordpress.org/secret-key/1.1/salt/',
  CURLOPT_ENCODING => '',
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_FOLLOWLOCATION => true,
  CURLOPT_HEADER => true,
  CURLOPT_CERTINFO => true,
  CURLOPT_VERBOSE => true,
]);

echo '<pre>';
var_export([
  'result' => curl_exec($ch),
  'info  ' => curl_getinfo($ch),
  'errno ' => curl_errno($ch),
  'error ' => curl_error($ch),
]);
curl_close($ch);

file_get_contents-https.php

<?php

$opts = [
  'http' => [
    'method' => 'GET',
    'header' => '',
  ],
];

$context = stream_context_create($opts);

echo '<pre>';
var_export([
  'file_get_contents' => file_get_contents('https://api.wordpress.org/secret-key/1.1/salt/', false, $context),
]);

openssl-verify.php

<?php
$data = 'test data';

$private_key_res = openssl_pkey_new(array(
    "private_key_bits" => 2048,
    "private_key_type" => OPENSSL_KEYTYPE_RSA,
));
$details = openssl_pkey_get_details($private_key_res);
$public_key_res = openssl_pkey_get_public($details['key']);

openssl_sign($data, $signature, $private_key_res, "sha256WithRSAEncryption");

$ok = openssl_verify($data, $signature, $public_key_res, OPENSSL_ALGO_SHA256);
if ($ok == 1) {
    echo "valid";
} elseif ($ok == 0) {
    echo "invalid";
} else {
    echo "error: ".openssl_error_string();
}