6b653fc663
- The OIDCProviderConfigWatcherController synchronizes the OIDCProviderConfig settings to dynamically mount and unmount the OIDC discovery endpoints for each provider - Integration test passes but unit tests need to be added still
69 lines
2.6 KiB
Go
69 lines
2.6 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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// Package discovery provides a handler for the OIDC discovery endpoint.
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package discovery
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import (
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"encoding/json"
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"fmt"
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"net/http"
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)
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// Metadata holds all fields (that we care about) from the OpenID Provider Metadata section in the
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// OpenID Connect Discovery specification:
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// https://openid.net/specs/openid-connect-discovery-1_0.html#rfc.section.3.
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type Metadata struct {
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// vvv Required vvv
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Issuer string `json:"issuer"`
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AuthorizationEndpoint string `json:"authorization_endpoint"`
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TokenEndpoint string `json:"token_endpoint"`
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JWKSURI string `json:"jwks_uri"`
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ResponseTypesSupported []string `json:"response_types_supported"`
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SubjectTypesSupported []string `json:"subject_types_supported"`
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IDTokenSigningAlgValuesSupported []string `json:"id_token_signing_alg_values_supported"`
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// ^^^ Required ^^^
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// vvv Optional vvv
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TokenEndpointAuthMethodsSupported []string `json:"token_endpoint_auth_methods_supported"`
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TokenEndpointAuthSigningAlgoValuesSupported []string `json:"token_endpoint_auth_signing_alg_values_supported"`
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ScopesSupported []string `json:"scopes_supported"`
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ClaimsSupported []string `json:"claims_supported"`
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// ^^^ Optional ^^^
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}
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// New returns an http.Handler that serves an OIDC discovery endpoint.
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func New(issuerURL string) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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if r.Method != http.MethodGet {
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http.Error(w, `{"error": "Method not allowed (try GET)"}`, http.StatusMethodNotAllowed)
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return
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}
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oidcConfig := Metadata{
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Issuer: issuerURL,
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AuthorizationEndpoint: fmt.Sprintf("%s/oauth2/v0/auth", issuerURL),
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TokenEndpoint: fmt.Sprintf("%s/oauth2/v0/token", issuerURL),
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JWKSURI: fmt.Sprintf("%s/jwks.json", issuerURL),
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ResponseTypesSupported: []string{"code"},
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SubjectTypesSupported: []string{"public"},
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IDTokenSigningAlgValuesSupported: []string{"RS256"},
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TokenEndpointAuthMethodsSupported: []string{"client_secret_basic"},
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TokenEndpointAuthSigningAlgoValuesSupported: []string{"RS256"},
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ScopesSupported: []string{"openid", "offline"},
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ClaimsSupported: []string{"groups"},
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}
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if err := json.NewEncoder(w).Encode(&oidcConfig); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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})
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}
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