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client.go
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client.go
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/*
* Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package client
import (
"strings"
"github.com/ory/fosite"
// Naming the dependency jose is important for go-swagger to work, see https://github.com/go-swagger/go-swagger/issues/1587
jose "gopkg.in/square/go-jose.v2"
)
// Client represents an OAuth 2.0 Client.
//
// swagger:model oAuth2Client
type Client struct {
// ClientID is the id for this client.
ClientID string `json:"client_id"`
// ID is an alisa for client_id.
ID string `json:"id"`
// Name is the human-readable string name of the client to be presented to the
// end-user during authorization.
Name string `json:"client_name"`
// Secret is the client's secret. The secret will be included in the create request as cleartext, and then
// never again. The secret is stored using BCrypt so it is impossible to recover it. Tell your users
// that they need to write the secret down as it will not be made available again.
Secret string `json:"client_secret,omitempty"`
// RedirectURIs is an array of allowed redirect urls for the client, for example http://mydomain/oauth/callback .
RedirectURIs []string `json:"redirect_uris"`
// GrantTypes is an array of grant types the client is allowed to use.
//
// Pattern: client_credentials|authorize_code|implicit|refresh_token
GrantTypes []string `json:"grant_types"`
// ResponseTypes is an array of the OAuth 2.0 response type strings that the client can
// use at the authorization endpoint.
//
// Pattern: id_token|code|token
ResponseTypes []string `json:"response_types"`
// Scope is a string containing a space-separated list of scope values (as
// described in Section 3.3 of OAuth 2.0 [RFC6749]) that the client
// can use when requesting access tokens.
//
// Pattern: ([a-zA-Z0-9\.\*]+\s?)+
Scope string `json:"scope"`
// Owner is a string identifying the owner of the OAuth 2.0 Client.
Owner string `json:"owner"`
// PolicyURI is a URL string that points to a human-readable privacy policy document
// that describes how the deployment organization collects, uses,
// retains, and discloses personal data.
PolicyURI string `json:"policy_uri"`
// TermsOfServiceURI is a URL string that points to a human-readable terms of service
// document for the client that describes a contractual relationship
// between the end-user and the client that the end-user accepts when
// authorizing the client.
TermsOfServiceURI string `json:"tos_uri"`
// ClientURI is an URL string of a web page providing information about the client.
// If present, the server SHOULD display this URL to the end-user in
// a clickable fashion.
ClientURI string `json:"client_uri"`
// LogoURI is an URL string that references a logo for the client.
LogoURI string `json:"logo_uri"`
// Contacts is a array of strings representing ways to contact people responsible
// for this client, typically email addresses.
Contacts []string `json:"contacts"`
// Public is a boolean that identifies this client as public, meaning that it
// does not have a secret. It will disable the client_credentials grant type for this client if set.
Public bool `json:"public"`
// SecretExpiresAt is an integer holding the time at which the client
// secret will expire or 0 if it will not expire. The time is
// represented as the number of seconds from 1970-01-01T00:00:00Z as
// measured in UTC until the date/time of expiration.
SecretExpiresAt int `json:"client_secret_expires_at"`
// URL using the https scheme to be used in calculating Pseudonymous Identifiers by the OP. The URL references a
// file with a single JSON array of redirect_uri values.
SectorIdentifierURI string `json:"sector_identifier_uri,omitempty"`
// URL for the Client's JSON Web Key Set [JWK] document. If the Client signs requests to the Server, it contains
// the signing key(s) the Server uses to validate signatures from the Client. The JWK Set MAY also contain the
// Client's encryption keys(s), which are used by the Server to encrypt responses to the Client. When both signing
// and encryption keys are made available, a use (Key Use) parameter value is REQUIRED for all keys in the referenced
// JWK Set to indicate each key's intended usage. Although some algorithms allow the same key to be used for both
// signatures and encryption, doing so is NOT RECOMMENDED, as it is less secure. The JWK x5c parameter MAY be used
// to provide X.509 representations of keys provided. When used, the bare key values MUST still be present and MUST
// match those in the certificate.
JSONWebKeysURI string `json:"jwks_uri,omitempty"`
// Client's JSON Web Key Set [JWK] document, passed by value. The semantics of the jwks parameter are the same as
// the jwks_uri parameter, other than that the JWK Set is passed by value, rather than by reference. This parameter
// is intended only to be used by Clients that, for some reason, are unable to use the jwks_uri parameter, for
// instance, by native applications that might not have a location to host the contents of the JWK Set. If a Client
// can use jwks_uri, it MUST NOT use jwks. One significant downside of jwks is that it does not enable key rotation
// (which jwks_uri does, as described in Section 10 of OpenID Connect Core 1.0 [OpenID.Core]). The jwks_uri and jwks
// parameters MUST NOT be used together.
JSONWebKeys *jose.JSONWebKeySet `json:"jwks,omitempty"`
// Requested Client Authentication method for the Token Endpoint. The options are client_secret_post,
// client_secret_basic, private_key_jwt, and none.
TokenEndpointAuthMethod string `json:"token_endpoint_auth_method,omitempty"`
// Array of request_uri values that are pre-registered by the RP for use at the OP. Servers MAY cache the
// contents of the files referenced by these URIs and not retrieve them at the time they are used in a request.
// OPs can require that request_uri values used be pre-registered with the require_request_uri_registration
// discovery parameter.
RequestURIs []string `json:"request_uris,omitempty"`
// JWS [JWS] alg algorithm [JWA] that MUST be used for signing Request Objects sent to the OP. All Request Objects
// from this Client MUST be rejected, if not signed with this algorithm.
RequestObjectSigningAlgorithm string `json:"request_object_signing_alg,omitempty"`
// JWS alg algorithm [JWA] REQUIRED for signing UserInfo Responses. If this is specified, the response will be JWT
// [JWT] serialized, and signed using JWS. The default, if omitted, is for the UserInfo Response to return the Claims
// as a UTF-8 encoded JSON object using the application/json content-type.
UserinfoSignedResponseAlg string `json:"userinfo_signed_response_alg,omitempty"`
}
func (c *Client) GetID() string {
return c.ID
}
func (c *Client) GetRedirectURIs() []string {
return c.RedirectURIs
}
func (c *Client) GetHashedSecret() []byte {
return []byte(c.Secret)
}
func (c *Client) GetScopes() fosite.Arguments {
return fosite.Arguments(strings.Fields(c.Scope))
}
func (c *Client) GetGrantTypes() fosite.Arguments {
// https://openid.net/specs/openid-connect-registration-1_0.html#ClientMetadata
//
// JSON array containing a list of the OAuth 2.0 Grant Types that the Client is declaring
// that it will restrict itself to using.
// If omitted, the default is that the Client will use only the authorization_code Grant Type.
if len(c.GrantTypes) == 0 {
return fosite.Arguments{"authorization_code"}
}
return fosite.Arguments(c.GrantTypes)
}
func (c *Client) GetResponseTypes() fosite.Arguments {
// https://openid.net/specs/openid-connect-registration-1_0.html#ClientMetadata
//
// <JSON array containing a list of the OAuth 2.0 response_type values that the Client is declaring
// that it will restrict itself to using. If omitted, the default is that the Client will use
// only the code Response Type.
if len(c.ResponseTypes) == 0 {
return fosite.Arguments{"code"}
}
return fosite.Arguments(c.ResponseTypes)
}
func (c *Client) GetOwner() string {
return c.Owner
}
func (c *Client) IsPublic() bool {
return c.Public
}
func (c *Client) GetJSONWebKeysURI() string {
return c.JSONWebKeysURI
}
func (c *Client) GetJSONWebKeys() *jose.JSONWebKeySet {
return c.JSONWebKeys
}
func (c *Client) GetTokenEndpointAuthSigningAlgorithm() string {
return "RS256"
}
func (c *Client) GetRequestObjectSigningAlgorithm() string {
if c.RequestObjectSigningAlgorithm == "" {
return "RS256"
}
return c.RequestObjectSigningAlgorithm
}
func (c *Client) GetTokenEndpointAuthMethod() string {
if c.TokenEndpointAuthMethod == "" {
if c.Public {
return "none"
}
return "client_secret_basic"
}
return c.TokenEndpointAuthMethod
}
func (c *Client) GetRequestURIs() []string {
return c.RequestURIs
}