--- /dev/null
+<?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 array $lines Header lines array of strings in the following
+ * format: "Name: Value"
+ * @return array
+ */
+function headers_from_lines($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.
+ *
+ * @throws \RuntimeException if no viable Handler is available.
+ * @return callable Returns the best handler for the given system.
+ */
+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 $cafiles = [
+ // Red Hat, CentOS, Fedora (provided by the ca-certificates package)
+ '/etc/pki/tls/certs/ca-bundle.crt',
+ // Ubuntu, Debian (provided by the ca-certificates package)
+ '/etc/ssl/certs/ca-certificates.crt',
+ // FreeBSD (provided by the ca_root_nss package)
+ '/usr/local/share/certs/ca-root-nss.crt',
+ // OS X provided by homebrew (using the default path)
+ '/usr/local/etc/openssl/cert.pem',
+ // Google app engine
+ '/etc/ca-certificates.crt',
+ // Windows?
+ 'C:\\windows\\system32\\curl-ca-bundle.crt',
+ 'C:\\windows\\curl-ca-bundle.crt',
+ ];
+
+ if ($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 $options Bitmask of JSON decode options.
+ *
+ * @return mixed
+ * @throws \InvalidArgumentException if the JSON cannot be decoded.
+ * @link http://www.php.net/manual/en/function.json-decode.php
+ */
+function json_decode($json, $assoc = false, $depth = 512, $options = 0)
+{
+ $data = \json_decode($json, $assoc, $depth, $options);
+ if (JSON_ERROR_NONE !== json_last_error()) {
+ throw new \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 $depth Set the maximum depth. Must be greater than zero.
+ *
+ * @return string
+ * @throws \InvalidArgumentException if the JSON cannot be encoded.
+ * @link http://www.php.net/manual/en/function.json-encode.php
+ */
+function json_encode($value, $options = 0, $depth = 512)
+{
+ $json = \json_encode($value, $options, $depth);
+ if (JSON_ERROR_NONE !== json_last_error()) {
+ throw new \InvalidArgumentException(
+ 'json_encode error: ' . json_last_error_msg());
+ }
+
+ return $json;
+}
projects / yaffs-website / blobdiff