Move library\OAuth1.php to class structure Friendica\Security\OAuth1
This commit is contained in:
Philipp
319
src/Security/OAuth1/OAuthRequest.php
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319
src/Security/OAuth1/OAuthRequest.php
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<?php
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namespace Friendica\Security\OAuth1;
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use Friendica;
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use Friendica\Security\OAuth1\OAuthUtil;
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class OAuthRequest
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{
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private $parameters;
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private $http_method;
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private $http_url;
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// for debug purposes
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public $base_string;
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public static $version = '1.0';
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public static $POST_INPUT = 'php://input';
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function __construct($http_method, $http_url, $parameters = null)
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{
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@$parameters or $parameters = [];
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$parameters = array_merge(OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
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$this->parameters = $parameters;
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$this->http_method = $http_method;
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$this->http_url = $http_url;
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}
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/**
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* attempt to build up a request from what was passed to the server
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*
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* @param string|null $http_method
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* @param string|null $http_url
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* @param string|null $parameters
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*
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* @return OAuthRequest
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*/
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public static function from_request($http_method = null, $http_url = null, $parameters = null)
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{
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$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
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? 'http'
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: 'https';
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@$http_url or $http_url = $scheme .
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'://' . $_SERVER['HTTP_HOST'] .
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':' .
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$_SERVER['SERVER_PORT'] .
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$_SERVER['REQUEST_URI'];
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@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
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// We weren't handed any parameters, so let's find the ones relevant to
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// this request.
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// If you run XML-RPC or similar you should use this to provide your own
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// parsed parameter-list
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if (!$parameters) {
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// Find request headers
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$request_headers = OAuthUtil::get_headers();
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// Parse the query-string to find GET parameters
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$parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
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// It's a POST request of the proper content-type, so parse POST
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// parameters and add those overriding any duplicates from GET
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if (
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$http_method == "POST"
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&& @strstr(
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$request_headers["Content-Type"],
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"application/x-www-form-urlencoded"
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)
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) {
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$post_data = OAuthUtil::parse_parameters(
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file_get_contents(self::$POST_INPUT)
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);
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$parameters = array_merge($parameters, $post_data);
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}
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// We have a Authorization-header with OAuth data. Parse the header
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// and add those overriding any duplicates from GET or POST
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if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
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$header_parameters = OAuthUtil::split_header(
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$request_headers['Authorization']
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);
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$parameters = array_merge($parameters, $header_parameters);
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}
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}
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// fix for friendica redirect system
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$http_url = substr($http_url, 0, strpos($http_url, $parameters['pagename']) + strlen($parameters['pagename']));
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unset($parameters['pagename']);
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return new OAuthRequest($http_method, $http_url, $parameters);
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}
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/**
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* pretty much a helper function to set up the request
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*
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* @param \Friendica\Security\OAuth1\OAuthConsumer $consumer
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* @param \Friendica\Security\OAuth1\OAuthToken $token
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* @param string $http_method
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* @param string $http_url
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* @param array|null $parameters
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*
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* @return OAuthRequest
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*/
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public static function from_consumer_and_token(\Friendica\Security\OAuth1\OAuthConsumer $consumer, $http_method, $http_url, array $parameters = null, \Friendica\Security\OAuth1\OAuthToken $token = null)
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{
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@$parameters or $parameters = [];
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$defaults = [
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"oauth_version" => OAuthRequest::$version,
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"oauth_nonce" => OAuthRequest::generate_nonce(),
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"oauth_timestamp" => OAuthRequest::generate_timestamp(),
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"oauth_consumer_key" => $consumer->key,
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];
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if ($token)
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$defaults['oauth_token'] = $token->key;
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$parameters = array_merge($defaults, $parameters);
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return new OAuthRequest($http_method, $http_url, $parameters);
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}
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public function set_parameter($name, $value, $allow_duplicates = true)
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{
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if ($allow_duplicates && isset($this->parameters[$name])) {
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// We have already added parameter(s) with this name, so add to the list
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if (is_scalar($this->parameters[$name])) {
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// This is the first duplicate, so transform scalar (string)
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// into an array so we can add the duplicates
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$this->parameters[$name] = [$this->parameters[$name]];
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}
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$this->parameters[$name][] = $value;
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} else {
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$this->parameters[$name] = $value;
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}
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}
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public function get_parameter($name)
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{
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return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
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}
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public function get_parameters()
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{
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return $this->parameters;
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}
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public function unset_parameter($name)
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{
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unset($this->parameters[$name]);
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}
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/**
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* The request parameters, sorted and concatenated into a normalized string.
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*
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* @return string
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*/
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public function get_signable_parameters()
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{
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// Grab all parameters
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$params = $this->parameters;
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// Remove oauth_signature if present
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// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
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if (isset($params['oauth_signature'])) {
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unset($params['oauth_signature']);
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}
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return OAuthUtil::build_http_query($params);
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}
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/**
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* Returns the base string of this request
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*
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* The base string defined as the method, the url
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* and the parameters (normalized), each urlencoded
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* and the concated with &.
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*/
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public function get_signature_base_string()
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{
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$parts = [
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$this->get_normalized_http_method(),
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$this->get_normalized_http_url(),
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$this->get_signable_parameters(),
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];
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$parts = OAuthUtil::urlencode_rfc3986($parts);
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return implode('&', $parts);
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}
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/**
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* just uppercases the http method
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*/
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public function get_normalized_http_method()
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{
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return strtoupper($this->http_method);
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}
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/**
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* parses the url and rebuilds it to be
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* scheme://host/path
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*/
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public function get_normalized_http_url()
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{
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$parts = parse_url($this->http_url);
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$port = @$parts['port'];
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$scheme = $parts['scheme'];
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$host = $parts['host'];
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$path = @$parts['path'];
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$port or $port = ($scheme == 'https') ? '443' : '80';
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if (($scheme == 'https' && $port != '443')
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|| ($scheme == 'http' && $port != '80')
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) {
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$host = "$host:$port";
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}
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return "$scheme://$host$path";
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}
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/**
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* builds a url usable for a GET request
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*/
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public function to_url()
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{
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$post_data = $this->to_postdata();
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$out = $this->get_normalized_http_url();
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if ($post_data) {
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$out .= '?' . $post_data;
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}
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return $out;
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}
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/**
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* builds the data one would send in a POST request
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*
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* @param bool $raw
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*
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* @return array|string
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*/
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public function to_postdata(bool $raw = false)
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{
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if ($raw)
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return $this->parameters;
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else
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return OAuthUtil::build_http_query($this->parameters);
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}
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/**
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* builds the Authorization: header
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*
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* @param string|null $realm
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*
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* @return string
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* @throws \Friendica\Security\OAuth1\OAuthException
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*/
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public function to_header($realm = null)
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{
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$first = true;
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if ($realm) {
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$out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
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$first = false;
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} else
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$out = 'Authorization: OAuth';
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foreach ($this->parameters as $k => $v) {
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if (substr($k, 0, 5) != "oauth") continue;
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if (is_array($v)) {
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throw new \Friendica\Security\OAuth1\OAuthException('Arrays not supported in headers');
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}
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$out .= ($first) ? ' ' : ',';
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$out .= OAuthUtil::urlencode_rfc3986($k) .
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'="' .
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OAuthUtil::urlencode_rfc3986($v) .
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'"';
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$first = false;
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}
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return $out;
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}
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public function __toString()
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{
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return $this->to_url();
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}
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public function sign_request(\Friendica\Security\OAuth1\OAuthSignatureMethod $signature_method, $consumer, $token)
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{
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$this->set_parameter(
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"oauth_signature_method",
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$signature_method->get_name(),
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false
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);
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$signature = $this->build_signature($signature_method, $consumer, $token);
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$this->set_parameter("oauth_signature", $signature, false);
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}
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public function build_signature(\Friendica\Security\OAuth1\OAuthSignatureMethod $signature_method, $consumer, $token)
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{
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$signature = $signature_method->build_signature($this, $consumer, $token);
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return $signature;
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}
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/**
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* util function: current timestamp
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*/
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private static function generate_timestamp()
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{
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return time();
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}
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/**
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* util function: current nonce
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*/
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private static function generate_nonce()
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{
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return Friendica\Util\Strings::getRandomHex(32);
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}
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}
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