sreg.php

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    function parseExtensionArgs($args, $strict=false)
    {
        foreach (array('required', 'optional') as $list_name) {
            $required = ($list_name == 'required');
            $items = Auth_OpenID::arrayGet($args, $list_name);
            if ($items) {
                foreach (explode(',', $items) as $field_name) {
                    if (!$this->requestField($field_name, $required, $strict)) {
                        if ($strict) {
                            return false;
                        }
                    }
                }
            }
        }

        $this->policy_url = Auth_OpenID::arrayGet($args, 'policy_url');

        return true;
    }

    /**
     * A list of all of the simple registration fields that were
     * requested, whether they were required or optional.
     */
    function allRequestedFields()
    {
        return array_merge($this->required, $this->optional);
    }

    /**
     * Have any simple registration fields been requested?
     */
    function wereFieldsRequested()
    {
        return count($this->allRequestedFields());
    }

    /**
     * Was this field in the request?
     */
    function contains($field_name)
    {
        return (in_array($field_name, $this->required) ||
                in_array($field_name, $this->optional));
    }

    /**
     * Request the specified field from the OpenID user
     *
     * $field_name: the unqualified simple registration field name
     *
     * required: whether the given field should be presented to the
     * user as being a required to successfully complete the request
     *
     * strict: whether to raise an exception when a field is added to
     * a request more than once
     */
    function requestField($field_name,
                          $required=false, $strict=false)
    {
        if (!Auth_OpenID_checkFieldName($field_name)) {
            return false;
        }

        if ($strict) {
            if ($this->contains($field_name)) {
                return false;
            }
        } else {
            if (in_array($field_name, $this->required)) {
                return true;
            }

            if (in_array($field_name, $this->optional)) {
                if ($required) {
                    unset($this->optional[array_search($field_name,
                                                       $this->optional)]);
                } else {
                    return true;
                }
            }
        }

        if ($required) {
            $this->required[] = $field_name;
        } else {
            $this->optional[] = $field_name;
        }

        return true;
    }

    /**
     * Add the given list of fields to the request
     *
     * field_names: The simple registration data fields to request
     *
     * required: Whether these values should be presented to the user
     * as required
     *
     * strict: whether to raise an exception when a field is added to
     * a request more than once
     */
    function requestFields($field_names, $required=false, $strict=false)
    {
        if (!is_array($field_names)) {
            return false;
        }

        foreach ($field_names as $field_name) {
            if (!$this->requestField($field_name, $required, $strict=$strict)) {
                return false;
            }
        }

        return true;
    }

    /**
     * Get a dictionary of unqualified simple registration arguments
     * representing this request.
     *
     * This method is essentially the inverse of
     * C{L{parseExtensionArgs}}. This method serializes the simple
     * registration request fields.
     */
    function getExtensionArgs()
    {
        $args = array();

        if ($this->required) {
            $args['required'] = implode(',', $this->required);
        }

        if ($this->optional) {
            $args['optional'] = implode(',', $this->optional);
        }

        if ($this->policy_url) {
            $args['policy_url'] = $this->policy_url;
        }

        return $args;
    }
}

/**
 * Represents the data returned in a simple registration response
 * inside of an OpenID C{id_res} response. This object will be created
 * by the OpenID server, added to the C{id_res} response object, and
 * then extracted from the C{id_res} message by the Consumer.
 *
 * @package OpenID
 */
class Auth_OpenID_SRegResponse extends Auth_OpenID_SRegBase {

    var $ns_alias = 'sreg';

    function Auth_OpenID_SRegResponse($data=null,
                                      $sreg_ns_uri=Auth_OpenID_SREG_NS_URI)
    {
        if ($data === null) {
            $this->data = array();
        } else {
            $this->data = $data;
        }

        $this->ns_uri = $sreg_ns_uri;
    }

    /**
     * Take a C{L{SRegRequest}} and a dictionary of simple
     * registration values and create a C{L{SRegResponse}} object
     * containing that data.
     *
     * request: The simple registration request object
     *
     * data: The simple registration data for this response, as a
     * dictionary from unqualified simple registration field name to
     * string (unicode) value. For instance, the nickname should be
     * stored under the key 'nickname'.
     */
    function extractResponse($request, $data)
    {
        $obj = new Auth_OpenID_SRegResponse();
        $obj->ns_uri = $request->ns_uri;

        foreach ($request->allRequestedFields() as $field) {
            $value = Auth_OpenID::arrayGet($data, $field);
            if ($value !== null) {
                $obj->data[$field] = $value;
            }
        }

        return $obj;
    }

    /**
     * Create a C{L{SRegResponse}} object from a successful OpenID
     * library response
     * (C{L{openid.consumer.consumer.SuccessResponse}}) response
     * message
     *
     * success_response: A SuccessResponse from consumer.complete()
     *
     * signed_only: Whether to process only data that was
     * signed in the id_res message from the server.
     *
     * Returns a simple registration response containing the data that
     * was supplied with the C{id_res} response.
     */
    function fromSuccessResponse(&$success_response, $signed_only=true)
    {
        global $Auth_OpenID_sreg_data_fields;

        $obj = new Auth_OpenID_SRegResponse();
        $obj->ns_uri = $obj->_getSRegNS($success_response->message);

        if ($signed_only) {
            $args = $success_response->getSignedNS($obj->ns_uri);
        } else {
            $args = $success_response->message->getArgs($obj->ns_uri);
        }

        if ($args === null) {
            return null;
        }

        foreach ($Auth_OpenID_sreg_data_fields as $field_name => $desc) {
            if (in_array($field_name, array_keys($args))) {
                $obj->data[$field_name] = $args[$field_name];
            }
        }

        return $obj;
    }

    function getExtensionArgs()
    {
        return $this->data;
    }

    // Read-only dictionary interface
    function get($field_name, $default=null)
    {
        if (!Auth_OpenID_checkFieldName($field_name)) {
            return null;
        }

        return Auth_OpenID::arrayGet($this->data, $field_name, $default);
    }

    function contents()
    {
        return $this->data;
    }
}

?>