diff options
Diffstat (limited to 'vendor/guzzlehttp/guzzle/src/functions.php')
| -rw-r--r-- | vendor/guzzlehttp/guzzle/src/functions.php | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/vendor/guzzlehttp/guzzle/src/functions.php b/vendor/guzzlehttp/guzzle/src/functions.php new file mode 100644 index 0000000..c2afd8c --- /dev/null +++ b/vendor/guzzlehttp/guzzle/src/functions.php @@ -0,0 +1,334 @@ +<?php +namespace GuzzleHttp; + +use GuzzleHttp\Handler\CurlHandler; +use GuzzleHttp\Handler\CurlMultiHandler; +use GuzzleHttp\Handler\Proxy; +use GuzzleHttp\Handler\StreamHandler; + +/** + * Expands a URI template + * + * @param string $template URI template + * @param array $variables Template variables + * + * @return string + */ +function uri_template($template, array $variables) +{ + if (extension_loaded('uri_template')) { + // @codeCoverageIgnoreStart + return \uri_template($template, $variables); + // @codeCoverageIgnoreEnd + } + + static $uriTemplate; + if (!$uriTemplate) { + $uriTemplate = new UriTemplate(); + } + + return $uriTemplate->expand($template, $variables); +} + +/** + * Debug function used to describe the provided value type and class. + * + * @param mixed $input + * + * @return string Returns a string containing the type of the variable and + * if a class is provided, the class name. + */ +function describe_type($input) +{ + switch (gettype($input)) { + case 'object': + return 'object(' . get_class($input) . ')'; + case 'array': + return 'array(' . count($input) . ')'; + default: + ob_start(); + var_dump($input); + // normalize float vs double + return str_replace('double(', 'float(', rtrim(ob_get_clean())); + } +} + +/** + * Parses an array of header lines into an associative array of headers. + * + * @param iterable $lines Header lines array of strings in the following + * format: "Name: Value" + * @return array + */ +function headers_from_lines($lines) +{ + $headers = []; + + foreach ($lines as $line) { + $parts = explode(':', $line, 2); + $headers[trim($parts[0])][] = isset($parts[1]) + ? trim($parts[1]) + : null; + } + + return $headers; +} + +/** + * Returns a debug stream based on the provided variable. + * + * @param mixed $value Optional value + * + * @return resource + */ +function debug_resource($value = null) +{ + if (is_resource($value)) { + return $value; + } elseif (defined('STDOUT')) { + return STDOUT; + } + + return fopen('php://output', 'w'); +} + +/** + * Chooses and creates a default handler to use based on the environment. + * + * The returned handler is not wrapped by any default middlewares. + * + * @return callable Returns the best handler for the given system. + * @throws \RuntimeException if no viable Handler is available. + */ +function choose_handler() +{ + $handler = null; + if (function_exists('curl_multi_exec') && function_exists('curl_exec')) { + $handler = Proxy::wrapSync(new CurlMultiHandler(), new CurlHandler()); + } elseif (function_exists('curl_exec')) { + $handler = new CurlHandler(); + } elseif (function_exists('curl_multi_exec')) { + $handler = new CurlMultiHandler(); + } + + if (ini_get('allow_url_fopen')) { + $handler = $handler + ? Proxy::wrapStreaming($handler, new StreamHandler()) + : new StreamHandler(); + } elseif (!$handler) { + throw new \RuntimeException('GuzzleHttp requires cURL, the ' + . 'allow_url_fopen ini setting, or a custom HTTP handler.'); + } + + return $handler; +} + +/** + * Get the default User-Agent string to use with Guzzle + * + * @return string + */ +function default_user_agent() +{ + static $defaultAgent = ''; + + if (!$defaultAgent) { + $defaultAgent = 'GuzzleHttp/' . Client::VERSION; + if (extension_loaded('curl') && function_exists('curl_version')) { + $defaultAgent .= ' curl/' . \curl_version()['version']; + } + $defaultAgent .= ' PHP/' . PHP_VERSION; + } + + return $defaultAgent; +} + +/** + * Returns the default cacert bundle for the current system. + * + * First, the openssl.cafile and curl.cainfo php.ini settings are checked. + * If those settings are not configured, then the common locations for + * bundles found on Red Hat, CentOS, Fedora, Ubuntu, Debian, FreeBSD, OS X + * and Windows are checked. If any of these file locations are found on + * disk, they will be utilized. + * + * Note: the result of this function is cached for subsequent calls. + * + * @return string + * @throws \RuntimeException if no bundle can be found. + */ +function default_ca_bundle() +{ + static $cached = null; + static $cafiles = [ + // Red Hat, CentOS, Fedora (provided by the ca-certificates package) + '/etc/pki/tls/certs/ca-bundle.crt', + // Ubuntu, Debian (provided by the ca-certificates package) + '/etc/ssl/certs/ca-certificates.crt', + // FreeBSD (provided by the ca_root_nss package) + '/usr/local/share/certs/ca-root-nss.crt', + // SLES 12 (provided by the ca-certificates package) + '/var/lib/ca-certificates/ca-bundle.pem', + // OS X provided by homebrew (using the default path) + '/usr/local/etc/openssl/cert.pem', + // Google app engine + '/etc/ca-certificates.crt', + // Windows? + 'C:\\windows\\system32\\curl-ca-bundle.crt', + 'C:\\windows\\curl-ca-bundle.crt', + ]; + + if ($cached) { + return $cached; + } + + if ($ca = ini_get('openssl.cafile')) { + return $cached = $ca; + } + + if ($ca = ini_get('curl.cainfo')) { + return $cached = $ca; + } + + foreach ($cafiles as $filename) { + if (file_exists($filename)) { + return $cached = $filename; + } + } + + throw new \RuntimeException( + <<< EOT +No system CA bundle could be found in any of the the common system locations. +PHP versions earlier than 5.6 are not properly configured to use the system's +CA bundle by default. In order to verify peer certificates, you will need to +supply the path on disk to a certificate bundle to the 'verify' request +option: http://docs.guzzlephp.org/en/latest/clients.html#verify. If you do not +need a specific certificate bundle, then Mozilla provides a commonly used CA +bundle which can be downloaded here (provided by the maintainer of cURL): +https://raw.githubusercontent.com/bagder/ca-bundle/master/ca-bundle.crt. Once +you have a CA bundle available on disk, you can set the 'openssl.cafile' PHP +ini setting to point to the path to the file, allowing you to omit the 'verify' +request option. See http://curl.haxx.se/docs/sslcerts.html for more +information. +EOT + ); +} + +/** + * Creates an associative array of lowercase header names to the actual + * header casing. + * + * @param array $headers + * + * @return array + */ +function normalize_header_keys(array $headers) +{ + $result = []; + foreach (array_keys($headers) as $key) { + $result[strtolower($key)] = $key; + } + + return $result; +} + +/** + * Returns true if the provided host matches any of the no proxy areas. + * + * This method will strip a port from the host if it is present. Each pattern + * can be matched with an exact match (e.g., "foo.com" == "foo.com") or a + * partial match: (e.g., "foo.com" == "baz.foo.com" and ".foo.com" == + * "baz.foo.com", but ".foo.com" != "foo.com"). + * + * Areas are matched in the following cases: + * 1. "*" (without quotes) always matches any hosts. + * 2. An exact match. + * 3. The area starts with "." and the area is the last part of the host. e.g. + * '.mit.edu' will match any host that ends with '.mit.edu'. + * + * @param string $host Host to check against the patterns. + * @param array $noProxyArray An array of host patterns. + * + * @return bool + */ +function is_host_in_noproxy($host, array $noProxyArray) +{ + if (strlen($host) === 0) { + throw new \InvalidArgumentException('Empty host provided'); + } + + // Strip port if present. + if (strpos($host, ':')) { + $host = explode($host, ':', 2)[0]; + } + + foreach ($noProxyArray as $area) { + // Always match on wildcards. + if ($area === '*') { + return true; + } elseif (empty($area)) { + // Don't match on empty values. + continue; + } elseif ($area === $host) { + // Exact matches. + return true; + } else { + // Special match if the area when prefixed with ".". Remove any + // existing leading "." and add a new leading ".". + $area = '.' . ltrim($area, '.'); + if (substr($host, -(strlen($area))) === $area) { + return true; + } + } + } + + return false; +} + +/** + * Wrapper for json_decode that throws when an error occurs. + * + * @param string $json JSON data to parse + * @param bool $assoc When true, returned objects will be converted + * into associative arrays. + * @param int $depth User specified recursion depth. + * @param int $options Bitmask of JSON decode options. + * + * @return mixed + * @throws Exception\InvalidArgumentException if the JSON cannot be decoded. + * @link http://www.php.net/manual/en/function.json-decode.php + */ +function json_decode($json, $assoc = false, $depth = 512, $options = 0) +{ + $data = \json_decode($json, $assoc, $depth, $options); + if (JSON_ERROR_NONE !== json_last_error()) { + throw new Exception\InvalidArgumentException( + 'json_decode error: ' . json_last_error_msg() + ); + } + + return $data; +} + +/** + * Wrapper for JSON encoding that throws when an error occurs. + * + * @param mixed $value The value being encoded + * @param int $options JSON encode option bitmask + * @param int $depth Set the maximum depth. Must be greater than zero. + * + * @return string + * @throws Exception\InvalidArgumentException if the JSON cannot be encoded. + * @link http://www.php.net/manual/en/function.json-encode.php + */ +function json_encode($value, $options = 0, $depth = 512) +{ + $json = \json_encode($value, $options, $depth); + if (JSON_ERROR_NONE !== json_last_error()) { + throw new Exception\InvalidArgumentException( + 'json_encode error: ' . json_last_error_msg() + ); + } + + return $json; +} |