diff --git a/.github/workflows/build_release.yml b/.github/workflows/build_release.yml index 5b7ff5e..a1336da 100644 --- a/.github/workflows/build_release.yml +++ b/.github/workflows/build_release.yml @@ -4,6 +4,7 @@ name: Release with goreleaser on: + workflow_dispatch: push: tags: - v* @@ -52,7 +53,3 @@ jobs: echo "fs.writeFileSync('digest.txt', firstNonNullDigest);" >> process.js node process.js echo "digest=$(cat digest.txt)" >> $GITHUB_OUTPUT - - name: Attest opaal binary - uses: github-early-access/generate-build-provenance@main - with: - subject-path: opaal \ No newline at end of file diff --git a/.goreleaser.yaml b/.goreleaser.yaml index 72956fa..8e9d87d 100644 --- a/.goreleaser.yaml +++ b/.goreleaser.yaml @@ -53,4 +53,4 @@ changelog: # github: # name_template: "{{.Version}}" # prerelease: auto -# mode: append \ No newline at end of file +# mode: append diff --git a/README.md b/README.md index bcabb1b..1ca42c7 100644 --- a/README.md +++ b/README.md @@ -28,12 +28,39 @@ These commands will create a default config, then start the login process. Maybe - [Gitlab](https://about.gitlab.com/) - [Forgejo](https://forgejo.org/) (fork of Gitea) +The tool is now able to run an internal example identity provider using the `serve` subcommand. + +```bash +./opaal serve --config config.yaml +``` + +This will start a server that allows you to login with `opaal` itself. Currently, it is only has one example user to use for log in. The username and password combination is `ochami:ochami`. It uses the same config file as before with additional parameters set in the config file: + +```yaml +server: + ... + issuer: + host: "127.0.0.1" + port: 3332 + +authentication: + clients: + - id: "ochami" + secret: "ochami" + name: "ochami" + issuer: "http://127.0.0.1:3332" + redirect-uris: + - "http://127.0.0.1:3333/oidc/callback" +``` + +See the [Configuration](#configuration) section for the entire config file. + ### Authorization Code Flow `opaal` has the ability to completely execute the authorization code and return an access token from an authorization server using social sign-in. The process works as follows: 1. Click the authorization link or navigate to the hosted endpoint in your browser (127.0.0.1:3333 by default) - - Alternatively, you can use a link produced + - Alternatively, you can use a link produced 2. Login using identity provider credentials 3. Authorize application registered with IdP 4. IdP redirects to specified redirect URI @@ -41,27 +68,29 @@ These commands will create a default config, then start the login process. Maybe - ...verifying the authenticity of the ID token from identity provider with its JWKS - ...adds itself as a trusted issuer to the authorization server with it's own JWK - ...creates a new signed JWT to send to the authorization server with the `urn:ietf:params:oauth:grant-type:jwt-bearer` grant type - - ... returns an access token that can be used by services protected by the authorization server + - ... returns an access token that can be used by services protected by the authorization server *After receiving the ID token, the rest of the flow requires the appropriate URLs to be set to continue. ### Client Credentials Flow -`opaal` also has - ## Configuration Here is an example configuration file: ```yaml -version: "0.0.1" +version: "0.3.2" server: host: "127.0.0.1" port: 3333 callback: "/oidc/callback" + issuer: + host: "127.0.0.1" + port: 3332 providers: + opaal: "https://127.0.0.1:3332" forgejo: "http://127.0.0.1:3000" authentication: @@ -83,7 +112,17 @@ authentication: client-credentials: authorization: - urls: + token: + forwarding: false + refresh: false + duration: 16h + scope: + - smd.read + key-path: ./keys + endpoints: + issuer: http://127.0.0.1:4444 + config: http://127.0.0.1:4444/.well-known/openid-configuration + jwks: http://127.0.0.1:4444/.well-known/jwks.json #identities: http://127.0.0.1:4434/admin/identities trusted-issuers: http://127.0.0.1:4445/admin/trust/grants/jwt-bearer/issuers login: http://127.0.0.1:4433/self-service/login/api @@ -91,17 +130,14 @@ authorization: authorize: http://127.0.0.1:4444/oauth2/auth register: http://127.0.0.1:4444/oauth2/register token: http://127.0.0.1:4444/oauth2/token - clients: - - id: bss - secret: IAMBSS options: - decode-id-token: true - decode-access-token: true run-once: true open-browser: false - forward: false + flow: authorization_code + cache-only: false + verbose: true ``` ## Troubleshooting diff --git a/cmd/login.go b/cmd/login.go index abe3452..855a0e8 100644 --- a/cmd/login.go +++ b/cmd/login.go @@ -2,12 +2,9 @@ package cmd import ( opaal "davidallendj/opaal/internal" - cache "davidallendj/opaal/internal/cache/sqlite" "davidallendj/opaal/internal/oauth" - "davidallendj/opaal/internal/oidc" "fmt" "os" - "slices" "github.com/spf13/cobra" ) @@ -25,68 +22,68 @@ var loginCmd = &cobra.Command{ Run: func(cmd *cobra.Command, args []string) { for { // try and find client with valid identity provider config - var provider *oidc.IdentityProvider - if target != "" { - // only try to use client with name give - index := slices.IndexFunc(config.Authentication.Clients, func(c oauth.Client) bool { - return target == c.Name - }) - if index < 0 { - fmt.Printf("could not find the target client listed by name") - os.Exit(1) - } - client := config.Authentication.Clients[index] - _, err := cache.GetIdentityProvider(config.Options.CachePath, client.Issuer) - if err != nil { + // var provider *oidc.IdentityProvider + // if target != "" { + // // only try to use client with name give + // index := slices.IndexFunc(config.Authentication.Clients, func(c oauth.Client) bool { + // return target == c.Name + // }) + // if index < 0 { + // fmt.Printf("could not find the target client listed by name") + // os.Exit(1) + // } + // client := config.Authentication.Clients[index] + // _, err := cache.GetIdentityProvider(config.Options.CachePath, client.Issuer) + // if err != nil { - } + // } - } else if targetIndex >= 0 { - // only try to use client by index - targetCount := len(config.Authentication.Clients) - 1 - if targetIndex > targetCount { - fmt.Printf("target index out of range (found %d)", targetCount) - } - client := config.Authentication.Clients[targetIndex] - _, err := cache.GetIdentityProvider(config.Options.CachePath, client.Issuer) - if err != nil { + // } else if targetIndex >= 0 { + // // only try to use client by index + // targetCount := len(config.Authentication.Clients) - 1 + // if targetIndex > targetCount { + // fmt.Printf("target index out of range (found %d)", targetCount) + // } + // client := config.Authentication.Clients[targetIndex] + // _, err := cache.GetIdentityProvider(config.Options.CachePath, client.Issuer) + // if err != nil { - } - } else { - for _, c := range config.Authentication.Clients { - // try to get identity provider info locally first - _, err := cache.GetIdentityProvider(config.Options.CachePath, c.Issuer) - if err != nil && !config.Options.CacheOnly { - fmt.Printf("fetching config from issuer: %v\n", c.Issuer) - // try to get info remotely by fetching - provider, err = oidc.FetchServerConfig(c.Issuer) - if err != nil { - fmt.Printf("failed to fetch server config: %v\n", err) - continue - } - client = c - // fetch the provider's JWKS - err := provider.FetchJwks() - if err != nil { - fmt.Printf("failed to fetch JWKS: %v\n", err) - } - break - } - // only test the first if --run-all flag is not set - if !config.Authentication.TestAllClients { - fmt.Printf("stopping after first test...\n\n\n") - break - } - } - } + // } + // } else { + // for _, c := range config.Authentication.Clients { + // // try to get identity provider info locally first + // _, err := cache.GetIdentityProvider(config.Options.CachePath, c.Issuer) + // if err != nil && !config.Options.CacheOnly { + // fmt.Printf("fetching config from issuer: %v\n", c.Issuer) + // // try to get info remotely by fetching + // provider, err = oidc.FetchServerConfig(c.Issuer) + // if err != nil { + // fmt.Printf("failed to fetch server config: %v\n", err) + // continue + // } + // client = c + // // fetch the provider's JWKS + // err := provider.FetchJwks() + // if err != nil { + // fmt.Printf("failed to fetch JWKS: %v\n", err) + // } + // break + // } + // // only test the first if --run-all flag is not set + // if !config.Authentication.TestAllClients { + // fmt.Printf("stopping after first test...\n\n\n") + // break + // } + // } + // } - if provider == nil { - fmt.Printf("failed to retrieve provider config\n") - os.Exit(1) - } + // if provider == nil { + // fmt.Printf("failed to retrieve provider config\n") + // os.Exit(1) + // } // start the listener - err := opaal.Login(&config, &client, provider) + err := opaal.Login(&config) if err != nil { fmt.Printf("%v\n", err) os.Exit(1) @@ -115,3 +112,13 @@ func init() { loginCmd.MarkFlagsMutuallyExclusive("target.name", "target.index") rootCmd.AddCommand(loginCmd) } + +func MakeButton(url string, text string) string { + // check if we have http:// a + html := " " + text + "" +} diff --git a/cmd/serve.go b/cmd/serve.go index 67cec1a..b68b814 100644 --- a/cmd/serve.go +++ b/cmd/serve.go @@ -2,6 +2,7 @@ package cmd import ( opaal "davidallendj/opaal/internal" + "davidallendj/opaal/internal/oidc" "errors" "fmt" "net/http" @@ -9,9 +10,13 @@ import ( "github.com/spf13/cobra" ) -var exampleCmd = &cobra.Command{ +var ( + endpoints oidc.Endpoints +) + +var serveCmd = &cobra.Command{ Use: "serve", - Short: "Start an simple identity provider server", + Short: "Start an simple, bare minimal identity provider server", Long: "The built-in identity provider is not (nor meant to be) a complete OIDC implementation and behaves like an external IdP", Run: func(cmd *cobra.Command, args []string) { s := opaal.NewServerWithConfig(&config) @@ -21,11 +26,15 @@ var exampleCmd = &cobra.Command{ if errors.Is(err, http.ErrServerClosed) { fmt.Printf("Identity provider server closed.\n") } else if err != nil { - fmt.Errorf("failed to start server: %v", err) + fmt.Printf("failed to start server: %v", err) } }, } func init() { - rootCmd.AddCommand(exampleCmd) + serveCmd.Flags().StringVar(&endpoints.Authorization, "endpoints.authorization", "", "set the authorization endpoint for the identity provider") + serveCmd.Flags().StringVar(&endpoints.Token, "endpoints.token", "", "set the token endpoint for the identity provider") + serveCmd.Flags().StringVar(&endpoints.JwksUri, "endpoints.jwks_uri", "", "set the JWKS endpoints for the identity provider") + + rootCmd.AddCommand(serveCmd) } diff --git a/internal/config.go b/internal/config.go index 1515013..9108ac1 100644 --- a/internal/config.go +++ b/internal/config.go @@ -2,6 +2,7 @@ package opaal import ( "davidallendj/opaal/internal/oauth" + "davidallendj/opaal/internal/oidc" "log" "os" "path/filepath" @@ -45,6 +46,7 @@ type TokenOptions struct { Forwarding bool `yaml:"forwarding"` Refresh bool `yaml:"refresh"` Scope []string `yaml:"scope"` + //TODO: allow specifying audience in returned token } type Authentication struct { @@ -55,9 +57,10 @@ type Authentication struct { } type Authorization struct { + Token TokenOptions `yaml:"token"` Endpoints Endpoints `yaml:"endpoints"` KeyPath string `yaml:"key-path"` - Token TokenOptions `yaml:"token"` + Audience []string `yaml:"audience"` // NOTE: overrides the "aud" claim in token sent to authorization server } type Config struct { @@ -70,11 +73,18 @@ type Config struct { } func NewConfig() Config { - return Config{ + config := Config{ Version: goutil.GetCommit(), Server: server.Server{ Host: "127.0.0.1", Port: 3333, + Issuer: server.IdentityProviderServer{ + Endpoints: oidc.Endpoints{ + Authorization: "", + Token: "", + JwksUri: "", + }, + }, }, Options: Options{ RunOnce: true, @@ -97,6 +107,7 @@ func NewConfig() Config { }, }, } + return config } func LoadConfig(path string) Config { diff --git a/internal/flows/jwt_bearer.go b/internal/flows/jwt_bearer.go index 652944b..a0287d9 100644 --- a/internal/flows/jwt_bearer.go +++ b/internal/flows/jwt_bearer.go @@ -4,7 +4,6 @@ import ( "crypto/rand" "crypto/rsa" "davidallendj/opaal/internal/oauth" - "davidallendj/opaal/internal/oidc" "encoding/json" "fmt" "os" @@ -19,14 +18,15 @@ import ( ) type JwtBearerFlowParams struct { - AccessToken string - IdToken string - IdentityProvider *oidc.IdentityProvider - TrustedIssuer *oauth.TrustedIssuer - Client *oauth.Client - Refresh bool - Verbose bool - KeyPath string + AccessToken string + IdToken string + // IdentityProvider *oidc.IdentityProvider + TrustedIssuer *oauth.TrustedIssuer + Client *oauth.Client + Audience []string + Refresh bool + Verbose bool + KeyPath string } type JwtBearerFlowEndpoints struct { @@ -39,22 +39,30 @@ type JwtBearerFlowEndpoints struct { func NewJwtBearerFlow(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) (string, error) { // 1. verify that the JWT from the issuer is valid using all keys var ( - idp = params.IdentityProvider + // idp = params.IdentityProvider accessToken = params.AccessToken idToken = params.IdToken client = params.Client trustedIssuer = params.TrustedIssuer verbose = params.Verbose ) + + // pre-condition checks to make sure certain variables are set + if client == nil { + return "", fmt.Errorf("invalid client (client is nil)") + } + if verbose { + fmt.Printf("ID token (IDP): %s\n access token (IDP): %s", accessToken, idToken) + } if accessToken != "" { - _, err := jws.Verify([]byte(accessToken), jws.WithKeySet(idp.KeySet), jws.WithValidateKey(true)) + _, err := jws.Verify([]byte(accessToken), jws.WithKeySet(client.Provider.KeySet), jws.WithValidateKey(true)) if err != nil { return "", fmt.Errorf("failed to verify access token: %v", err) } } if idToken != "" { - _, err := jws.Verify([]byte(idToken), jws.WithKeySet(idp.KeySet), jws.WithValidateKey(true)) + _, err := jws.Verify([]byte(idToken), jws.WithKeySet(client.Provider.KeySet), jws.WithValidateKey(true)) if err != nil { return "", fmt.Errorf("failed to verify ID token: %v", err) } @@ -126,7 +134,7 @@ func NewJwtBearerFlow(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) (s // TODO: add trusted issuer to cache if successful // 4. create a new JWT based on the claims from the identity provider and sign - parsedIdToken, err := jwt.ParseString(idToken, jwt.WithKeySet(idp.KeySet)) + parsedIdToken, err := jwt.ParseString(idToken, jwt.WithKeySet(client.Provider.KeySet)) if err != nil { return "", fmt.Errorf("failed to parse ID token: %v", err) } @@ -139,6 +147,11 @@ func NewJwtBearerFlow(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) (s payload["exp"] = time.Now().Add(time.Second * 3600 * 16).Unix() payload["sub"] = "opaal" + // if an "audience" value is set, then override the token endpoint value + if len(params.Audience) > 0 { + payload["aud"] = params.Audience + } + // include the offline_access scope if refresh tokens are enabled if params.Refresh { v, ok := payload["scope"] @@ -242,7 +255,7 @@ func ForwardToken(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) error var ( client = params.Client idToken = params.IdToken - idp = params.IdentityProvider + // idp = params.IdentityProvider verbose = params.Verbose ) @@ -250,7 +263,7 @@ func ForwardToken(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) error if verbose { fmt.Printf("Fetching JWKS from authentication server for verification...\n") } - err := idp.FetchJwks() + err := client.Provider.FetchJwks() if err != nil { return fmt.Errorf("failed to fetch JWK: %v", err) } else { @@ -260,7 +273,7 @@ func ForwardToken(eps JwtBearerFlowEndpoints, params JwtBearerFlowParams) error } ti := &oauth.TrustedIssuer{ - Issuer: idp.Issuer, + Issuer: client.Provider.Issuer, Subject: "1", ExpiresAt: time.Now().Add(time.Second * 3600), } diff --git a/internal/login.go b/internal/login.go index e9c6374..b6aaf84 100644 --- a/internal/login.go +++ b/internal/login.go @@ -12,19 +12,11 @@ import ( "time" ) -func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider) error { +func Login(config *Config) error { if config == nil { return fmt.Errorf("invalid config") } - if client == nil { - return fmt.Errorf("invalid client") - } - - if provider == nil { - return fmt.Errorf("invalid identity provider") - } - // make cache if it's not where expect _, err := cache.CreateIdentityProvidersIfNotExists(config.Options.CachePath) if err != nil { @@ -39,25 +31,20 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider } // print the authorization URL for sharing - var authorizationUrl = client.BuildAuthorizationUrl(provider.Endpoints.Authorization, state) s := NewServerWithConfig(config) - fmt.Printf("Login with external identity provider:\n\n %s/login\n %s\n\n", - s.GetListenAddr(), authorizationUrl, - ) + s.State = state - var button = MakeButton(authorizationUrl, "Login with "+client.Name) var authzClient = oauth.NewClient() authzClient.Scope = config.Authorization.Token.Scope - // authorize oauth client and listen for callback from provider - fmt.Printf("Waiting for authorization code redirect @%s/oidc/callback...\n", s.GetListenAddr()) params := server.ServerParams{ Verbose: config.Options.Verbose, AuthProvider: &oidc.IdentityProvider{ Issuer: config.Authorization.Endpoints.Issuer, Endpoints: oidc.Endpoints{ - Config: config.Authorization.Endpoints.Config, - JwksUri: config.Authorization.Endpoints.JwksUri, + Config: config.Authorization.Endpoints.Config, + Authorization: config.Authorization.Endpoints.Authorize, + JwksUri: config.Authorization.Endpoints.JwksUri, }, }, JwtBearerEndpoints: flows.JwtBearerFlowEndpoints{ @@ -66,8 +53,7 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider Register: config.Authorization.Endpoints.Register, }, JwtBearerParams: flows.JwtBearerFlowParams{ - Client: authzClient, - IdentityProvider: provider, + Client: authzClient, TrustedIssuer: &oauth.TrustedIssuer{ AllowAnySubject: false, Issuer: s.Addr, @@ -75,8 +61,9 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider ExpiresAt: time.Now().Add(config.Authorization.Token.Duration), Scope: []string{}, }, - Verbose: config.Options.Verbose, - Refresh: config.Authorization.Token.Refresh, + Verbose: config.Options.Verbose, + Refresh: config.Authorization.Token.Refresh, + Audience: config.Authorization.Audience, }, ClientCredentialsEndpoints: flows.ClientCredentialsFlowEndpoints{ Clients: config.Authorization.Endpoints.Clients, @@ -87,7 +74,7 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider Client: authzClient, }, } - err = s.StartLogin(button, provider, client, params) + err = s.StartLogin(config.Authentication.Clients, params) if errors.Is(err, http.ErrServerClosed) { fmt.Printf("\n=========================================\nServer closed.\n=========================================\n\n") } else if err != nil { @@ -96,7 +83,7 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider } else if config.Options.FlowType == "client_credentials" { params := flows.ClientCredentialsFlowParams{ - Client: client, + Client: nil, // # FIXME: need to do something about this being nil I think } _, err := NewClientCredentialsFlowWithConfig(config, params) if err != nil { @@ -108,13 +95,3 @@ func Login(config *Config, client *oauth.Client, provider *oidc.IdentityProvider return nil } - -func MakeButton(url string, text string) string { - // check if we have http:// a - html := " " + text + "" -} diff --git a/internal/new.go b/internal/new.go index 2b2bad8..2799d88 100644 --- a/internal/new.go +++ b/internal/new.go @@ -29,7 +29,7 @@ func NewClientWithConfig(config *Config) *oauth.Client { Id: clients[0].Id, Secret: clients[0].Secret, Name: clients[0].Name, - Issuer: clients[0].Issuer, + Provider: clients[0].Provider, Scope: clients[0].Scope, RedirectUris: clients[0].RedirectUris, } @@ -53,7 +53,7 @@ func NewClientWithConfigByName(config *Config, name string) *oauth.Client { func NewClientWithConfigByProvider(config *Config, issuer string) *oauth.Client { index := slices.IndexFunc(config.Authentication.Clients, func(c oauth.Client) bool { - return c.Issuer == issuer + return c.Provider.Issuer == issuer }) if index >= 0 { @@ -90,9 +90,11 @@ func NewServerWithConfig(conf *Config) *server.Server { }, Host: host, Port: port, - Issuer: server.Issuer{ - Host: conf.Server.Issuer.Host, - Port: conf.Server.Issuer.Port, + Issuer: server.IdentityProviderServer{ + Host: conf.Server.Issuer.Host, + Port: conf.Server.Issuer.Port, + Endpoints: conf.Server.Issuer.Endpoints, + Clients: conf.Server.Issuer.Clients, }, } return server diff --git a/internal/oauth/authenticate.go b/internal/oauth/authenticate.go index 5724526..4af65cb 100644 --- a/internal/oauth/authenticate.go +++ b/internal/oauth/authenticate.go @@ -16,12 +16,15 @@ func (client *Client) IsFlowInitiated() bool { return client.FlowId != "" } -func (client *Client) BuildAuthorizationUrl(issuer string, state string) string { - return issuer + "?" + "client_id=" + client.Id + +func (client *Client) BuildAuthorizationUrl(state string) string { + url := client.Provider.Endpoints.Authorization + "?client_id=" + client.Id + "&redirect_uri=" + url.QueryEscape(strings.Join(client.RedirectUris, ",")) + "&response_type=code" + // this has to be set to "code" - "&state=" + state + "&scope=" + strings.Join(client.Scope, "+") + if state != "" { + url += "&state=" + state + } + return url } func (client *Client) InitiateLoginFlow(loginUrl string) error { @@ -90,7 +93,7 @@ func (client *Client) FetchCSRFToken(flowUrl string) error { return fmt.Errorf("failed to extract CSRF token: not found") } -func (client *Client) FetchTokenFromAuthenticationServer(code string, remoteUrl string, state string) ([]byte, error) { +func (client *Client) FetchTokenFromAuthenticationServer(code string, state string) ([]byte, error) { body := url.Values{ "grant_type": {"authorization_code"}, "client_id": {client.Id}, @@ -104,14 +107,16 @@ func (client *Client) FetchTokenFromAuthenticationServer(code string, remoteUrl if state != "" { body["state"] = []string{state} } - res, err := http.PostForm(remoteUrl, body) + res, err := http.PostForm(client.Provider.Endpoints.Token, body) if err != nil { - return nil, fmt.Errorf("failed to get ID token: %s", err) + return nil, fmt.Errorf("failed to get ID token: %v", err) } + b, err := io.ReadAll(res.Body) + if err != nil { + return nil, fmt.Errorf("failed to read response body: %v", err) + } + fmt.Printf("%s\n", string(b)) defer res.Body.Close() - // domain, _ := url.Parse("http://127.0.0.1") - // client.Jar.SetCookies(domain, res.Cookies()) - - return io.ReadAll(res.Body) + return b, nil } diff --git a/internal/oauth/client.go b/internal/oauth/client.go index 2040117..78ab9cc 100644 --- a/internal/oauth/client.go +++ b/internal/oauth/client.go @@ -1,6 +1,7 @@ package oauth import ( + "davidallendj/opaal/internal/oidc" "encoding/json" "fmt" "net/http" @@ -24,15 +25,15 @@ const ( type Client struct { http.Client - Id string `db:"id" yaml:"id"` - Secret string `db:"secret" yaml:"secret"` - Name string `db:"name" yaml:"name"` - Description string `db:"description" yaml:"description"` - Issuer string `db:"issuer" yaml:"issuer"` - RegistrationAccessToken string `db:"registration_access_token" yaml:"registration-access-token"` - RedirectUris []string `db:"redirect_uris" yaml:"redirect-uris"` - Scope []string `db:"scope" yaml:"scope"` - Audience []string `db:"audience" yaml:"audience"` + Id string `db:"id" yaml:"id"` + Secret string `db:"secret" yaml:"secret"` + Name string `db:"name" yaml:"name"` + Description string `db:"description" yaml:"description"` + Provider oidc.IdentityProvider `db:"issuer" yaml:"provider"` + RegistrationAccessToken string `db:"registration_access_token" yaml:"registration-access-token"` + RedirectUris []string `db:"redirect_uris" yaml:"redirect-uris"` + Scope []string `db:"scope" yaml:"scope"` + Audience []string `db:"audience" yaml:"audience"` FlowId string CsrfToken string } diff --git a/internal/oidc/oidc.go b/internal/oidc/oidc.go index af813ab..f52e0c4 100644 --- a/internal/oidc/oidc.go +++ b/internal/oidc/oidc.go @@ -111,26 +111,11 @@ func (p *IdentityProvider) LoadServerConfig(path string) error { } func (p *IdentityProvider) FetchServerConfig() error { - // make a request to a server's openid-configuration - req, err := http.NewRequest(http.MethodGet, p.Issuer+"/.well-known/openid-configuration", bytes.NewBuffer([]byte{})) + tmp, err := FetchServerConfig(p.Issuer) if err != nil { - return fmt.Errorf("failed to create a new request: %v", err) - } - - client := &http.Client{} // temp client to get info and not used in flow - res, err := client.Do(req) - if err != nil { - return fmt.Errorf("failed to do request: %v", err) - } - - body, err := io.ReadAll(res.Body) - if err != nil { - return fmt.Errorf("failed to read response body: %v", err) - } - err = p.ParseServerConfig(body) - if err != nil { - return fmt.Errorf("failed to parse server config: %v", err) + return err } + p = tmp return nil } @@ -147,10 +132,15 @@ func FetchServerConfig(issuer string) (*IdentityProvider, error) { return nil, fmt.Errorf("failed to do request: %v", err) } + if res.StatusCode != http.StatusOK { + return nil, fmt.Errorf("HTTP status code: %d", res.StatusCode) + } + body, err := io.ReadAll(res.Body) if err != nil { return nil, fmt.Errorf("failed to read response body: %v", err) } + var p IdentityProvider err = p.ParseServerConfig(body) if err != nil { @@ -174,3 +164,25 @@ func (p *IdentityProvider) FetchJwks() error { return nil } + +func (p *IdentityProvider) UpdateEndpoints(other *IdentityProvider) { + UpdateEndpoints(&p.Endpoints, &other.Endpoints) +} + +func UpdateEndpoints(eps *Endpoints, other *Endpoints) { + // only update endpoints that are not empty + var UpdateIfEmpty = func(ep *string, s string) { + if ep != nil { + if *ep == "" { + *ep = s + } + } + } + UpdateIfEmpty(&eps.Config, other.Config) + UpdateIfEmpty(&eps.Authorization, other.Authorization) + UpdateIfEmpty(&eps.Token, other.Token) + UpdateIfEmpty(&eps.Revocation, other.Revocation) + UpdateIfEmpty(&eps.Introspection, other.Introspection) + UpdateIfEmpty(&eps.UserInfo, other.UserInfo) + UpdateIfEmpty(&eps.JwksUri, other.JwksUri) +} diff --git a/internal/server/idp.go b/internal/server/idp.go new file mode 100644 index 0000000..bb82a28 --- /dev/null +++ b/internal/server/idp.go @@ -0,0 +1,290 @@ +package server + +import ( + "crypto/rand" + "crypto/rsa" + "davidallendj/opaal/internal/oidc" + "encoding/json" + "fmt" + "net/http" + "os" + "slices" + "strings" + "time" + + "github.com/davidallendj/go-utils/cryptox" + "github.com/davidallendj/go-utils/util" + "github.com/go-chi/chi/v5" + "github.com/lestrrat-go/jwx/v2/jwa" + "github.com/lestrrat-go/jwx/v2/jwk" + "github.com/lestrrat-go/jwx/v2/jws" + "github.com/lestrrat-go/jwx/v2/jwt" +) + +// TODO: make this a completely separate server +type IdentityProviderServer struct { + Host string `yaml:"host"` + Port int `yaml:"port"` + Endpoints oidc.Endpoints `yaml:"endpoints"` + Clients []RegisteredClient `yaml:"clients"` +} + +// NOTE: could we use a oauth.Client here instead?? +type RegisteredClient struct { + Id string `yaml:"id"` + Secret string `yaml:"secret"` + Name string `yaml:"name"` + RedirectUris []string `yaml:"redirect-uris"` +} + +func (s *Server) StartIdentityProvider() error { + // NOTE: this example does NOT implement CSRF tokens nor use them + + // create an example identity provider + var ( + r = chi.NewRouter() + // clients = []oauth.Client{} + activeCodes = []string{} + ) + + // update endpoints that have values set + defaultEps := oidc.Endpoints{ + Authorization: "http://" + s.Addr + "/oauth2/authorize", + Token: "http://" + s.Addr + "/oauth2/token", + JwksUri: "http://" + s.Addr + "/.well-known/jwks.json", + } + oidc.UpdateEndpoints(&s.Issuer.Endpoints, &defaultEps) + + // generate key pair used to sign JWKS and create JWTs + privateKey, err := rsa.GenerateKey(rand.Reader, 2048) + if err != nil { + return fmt.Errorf("failed to generate new RSA key: %v", err) + } + privateJwk, publicJwk, err := cryptox.GenerateJwkKeyPairFromPrivateKey(privateKey) + if err != nil { + return fmt.Errorf("failed to generate JWK pair from private key: %v", err) + } + kid, _ := privateJwk.Get("kid") + publicJwk.Set("kid", kid) + publicJwk.Set("use", "sig") + publicJwk.Set("kty", "RSA") + publicJwk.Set("alg", "RS256") + if err := publicJwk.Validate(); err != nil { + return fmt.Errorf("failed to validate public JWK: %v", err) + } + + // TODO: create .well-known JWKS endpoint with json + r.HandleFunc("/.well-known/jwks.json", func(w http.ResponseWriter, r *http.Request) { + // TODO: generate new JWKs from a private key + + jwks := map[string]any{ + "keys": []jwk.Key{ + publicJwk, + }, + } + b, err := json.Marshal(jwks) + if err != nil { + return + } + w.Write(b) + }) + + r.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) { + // create config JSON to serve with GET request + config := map[string]any{ + "issuer": "http://" + s.Addr, + "authorization_endpoint": s.Issuer.Endpoints.Authorization, + "token_endpoint": s.Issuer.Endpoints.Token, + "jwks_uri": s.Issuer.Endpoints.JwksUri, + "scopes_supported": []string{ + "openid", + "profile", + "email", + }, + "response_types_supported": []string{ + "code", + }, + "grant_types_supported": []string{ + "authorization_code", + }, + "id_token_signing_alg_values_supported": []string{ + "RS256", + }, + "claims_supported": []string{ + "iss", + "sub", + "aud", + "exp", + "iat", + "name", + "email", + }, + } + + b, err := json.Marshal(config) + if err != nil { + return + } + w.Write(b) + }) + r.HandleFunc("/register", func(w http.ResponseWriter, r *http.Request) { + // serve up a simple login page + }) + r.HandleFunc("/consent", func(w http.ResponseWriter, r *http.Request) { + // give consent for app to use + }) + r.HandleFunc("/browser/login", func(w http.ResponseWriter, r *http.Request) { + // serve up a login page for user creds + form, err := os.ReadFile("pages/login.html") + if err != nil { + fmt.Printf("failed to load login form: %v", err) + } + w.Write(form) + }) + r.HandleFunc("/api/login", func(w http.ResponseWriter, r *http.Request) { + // check for example identity with POST request + r.ParseForm() + username := r.Form.Get("username") + password := r.Form.Get("password") + + if len(s.Issuer.Clients) <= 0 { + fmt.Printf("no registered clients found with identity provider (add them in config)\n") + return + } + + // example username and password so do simplified authorization code flow + if username == "openchami" && password == "openchami" { + client := s.Issuer.Clients[0] + + // check if there are any redirect URIs supplied + if len(client.RedirectUris) <= 0 { + fmt.Printf("no redirect URIs found for client %s (ID: %s)\n", client.Name, client.Id) + return + } + for _, url := range client.RedirectUris { + // send an authorization code to each URI + code := util.RandomString(64) + activeCodes = append(activeCodes, code) + redirectUrl := fmt.Sprintf("%s?code=%s", url, code) + fmt.Printf("redirect URL: %s\n", redirectUrl) + http.Redirect(w, r, redirectUrl, http.StatusFound) + // _, _, err := httpx.MakeHttpRequest(fmt.Sprintf("%s?code=%s", url, code), http.MethodGet, nil, nil) + // if err != nil { + // fmt.Printf("failed to make request: %v\n", err) + // continue + // } + } + } else { + w.Write([]byte("error logging in")) + http.Redirect(w, r, "/browser/login", http.StatusUnauthorized) + } + }) + r.HandleFunc("/oauth2/token", func(w http.ResponseWriter, r *http.Request) { + r.ParseForm() + + // check for authorization code and make sure it's valid + var code = r.Form.Get("code") + index := slices.IndexFunc(activeCodes, func(s string) bool { return s == code }) + if index < 0 { + fmt.Printf("invalid authorization code: %s\n", code) + return + } + + // now create and return a JWT that can be verified with by authorization server + iat := time.Now().Unix() + exp := time.Now().Add(time.Second * 3600 * 16).Unix() + t := jwt.New() + t.Set(jwt.IssuerKey, s.Addr) + t.Set(jwt.SubjectKey, "ochami") + t.Set(jwt.AudienceKey, "ochami") + t.Set(jwt.IssuedAtKey, iat) + t.Set(jwt.ExpirationKey, exp) + t.Set("name", "ochami") + t.Set("email", "example@ochami.org") + t.Set("email_verified", true) + t.Set("scope", []string{ + "openid", + "profile", + "email", + "example", + }) + // payload := map[string]any{} + // payload["iss"] = s.Addr + // payload["aud"] = "ochami" + // payload["iat"] = iat + // payload["nbf"] = iat + // payload["exp"] = exp + // payload["sub"] = "ochami" + // payload["name"] = "ochami" + // payload["email"] = "example@ochami.org" + // payload["email_verified"] = true + // payload["scope"] = []string{ + // "openid", + // "profile", + // "email", + // "example", + // } + payloadJson, err := json.MarshalIndent(t, "", "\t") + if err != nil { + fmt.Printf("failed to marshal payload: %v", err) + return + } + signed, err := jws.Sign(payloadJson, jws.WithKey(jwa.RS256, privateJwk)) + if err != nil { + fmt.Printf("failed to sign token: %v\n", err) + return + } + + // construct the bearer token with required fields + scope, _ := t.Get("scope") + bearer := map[string]any{ + "token_type": "Bearer", + "id_token": string(signed), + "expires_in": exp, + "created_at": iat, + "scope": strings.Join(scope.([]string), " "), + } + + b, err := json.MarshalIndent(bearer, "", "\t") + if err != nil { + fmt.Printf("failed to marshal bearer token: %v\n", err) + return + } + fmt.Printf("bearer: %s\n", string(b)) + w.Write(b) + }) + r.HandleFunc("/oauth2/authorize", func(w http.ResponseWriter, r *http.Request) { + var ( + responseType = r.URL.Query().Get("response_type") + clientId = r.URL.Query().Get("client_id") + redirectUris = r.URL.Query().Get("redirect_uri") + ) + + // check for required authorization code params + if responseType != "code" { + fmt.Printf("invalid response type\n") + return + } + + // find a valid client + index := slices.IndexFunc(s.Issuer.Clients, func(c RegisteredClient) bool { + fmt.Printf("%s ? %s\n", c.Id, clientId) + return c.Id == clientId + }) + if index < 0 { + fmt.Printf("no valid client found") + return + } + + // TODO: check that our redirect URIs all match + for _, uri := range redirectUris { + _ = uri + } + + // redirect to browser login since we don't do session management here + http.Redirect(w, r, "/browser/login", http.StatusFound) + }) + + s.Handler = r + return s.ListenAndServe() +} diff --git a/internal/server/server.go b/internal/server/server.go index 66c45d4..3fdae97 100644 --- a/internal/server/server.go +++ b/internal/server/server.go @@ -1,44 +1,28 @@ package server import ( - "crypto/rand" - "crypto/rsa" "davidallendj/opaal/internal/flows" "davidallendj/opaal/internal/oauth" "davidallendj/opaal/internal/oidc" "encoding/json" "fmt" "net/http" - "os" "slices" - "strings" - "time" - "github.com/davidallendj/go-utils/cryptox" "github.com/davidallendj/go-utils/httpx" - "github.com/davidallendj/go-utils/util" "github.com/go-chi/chi/v5" "github.com/go-chi/chi/v5/middleware" - "github.com/lestrrat-go/jwx/v2/jwa" - "github.com/lestrrat-go/jwx/v2/jwk" - "github.com/lestrrat-go/jwx/v2/jws" - "github.com/lestrrat-go/jwx/v2/jwt" "github.com/nikolalohinski/gonja/v2" "github.com/nikolalohinski/gonja/v2/exec" ) type Server struct { *http.Server - Host string `yaml:"host"` - Port int `yaml:"port"` - Callback string `yaml:"callback"` - State string `yaml:"state"` - Issuer Issuer `yaml:"issuer"` -} - -type Issuer struct { - Host string `yaml:"host"` - Port int `yaml:"port"` + Host string `yaml:"host"` + Port int `yaml:"port"` + Callback string `yaml:"callback"` + State string `yaml:"state"` + Issuer IdentityProviderServer `yaml:"issuer"` } type ServerParams struct { @@ -58,10 +42,12 @@ func (s *Server) GetListenAddr() string { return fmt.Sprintf("%s:%d", s.Host, s.Port) } -func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, client *oauth.Client, params ServerParams) error { +func (s *Server) StartLogin(clients []oauth.Client, params ServerParams) error { var ( - target = "" - callback = "" + target string + callback string + client *oauth.Client + sso string ) // check if callback is set @@ -69,6 +55,28 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli callback = "/oidc/callback" } + // make the login page SSO buttons and authorization URLs to write to stdout + buttons := "" + fmt.Printf("Login with an identity provider: \n") + for i, client := range clients { + // fetch provider configuration before adding button + p, err := oidc.FetchServerConfig(client.Provider.Issuer) + if err != nil { + fmt.Printf("failed to fetch server config: %v\n", err) + continue + } + + // if we're able to get the config, go ahead and try to fetch jwks too + if err = p.FetchJwks(); err != nil { + fmt.Printf("failed to fetch JWKS: %v\n", err) + continue + } + + clients[i].Provider = *p + buttons += makeButton(fmt.Sprintf("/login?sso=%s", client.Id), client.Name) + fmt.Printf("\t%s: /login?sso=%s\n", client.Name, client.Id) + } + var code string var accessToken string r := chi.NewRouter() @@ -93,20 +101,34 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli // add target if query exists if r != nil { target = r.URL.Query().Get("target") + sso = r.URL.Query().Get("sso") + + // TODO: get client from list and build the authorization URL string + index := slices.IndexFunc(clients, func(c oauth.Client) bool { + return c.Id == sso + }) + + // TODO: redirect the user to authorization URL and return from func + foundClient := index >= 0 + if foundClient { + client = &clients[index] + + url := client.BuildAuthorizationUrl(s.State) + if params.Verbose { + fmt.Printf("Redirect URL: %s\n", url) + } + http.Redirect(w, r, url, http.StatusFound) + return + } } + // show login page with notice to redirect template, err := gonja.FromFile("pages/index.html") if err != nil { panic(err) } - // form, err := os.ReadFile("pages/login.html") - // if err != nil { - // fmt.Printf("failed to load login form: %v", err) - // } - data := exec.NewContext(map[string]interface{}{ - // "loginForm": string(form), "loginButtons": buttons, }) @@ -119,45 +141,54 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli p = params.AuthProvider jwks []byte ) - // try and get the JWKS from param first - if p.Endpoints.JwksUri != "" { - err := p.FetchJwks() + + fetchAndMarshal := func() (err error) { + err = p.FetchJwks() if err != nil { - fmt.Printf("failed to fetch keys using JWKS url...trying to fetch config and try again...\n") + fmt.Printf("failed to fetch keys: %v\n", err) + return } jwks, err = json.Marshal(p.KeySet) if err != nil { fmt.Printf("failed to marshal JWKS: %v\n", err) } - } else if p.Endpoints.Config != "" && jwks == nil { - // otherwise, try and fetch the whole config and try again - err := p.FetchServerConfig() - if err != nil { - fmt.Printf("failed to fetch server config: %v\n", err) - http.Redirect(w, r, "/error", http.StatusInternalServerError) - return - } - err = p.FetchJwks() - if err != nil { - fmt.Printf("failed to fetch JWKS after fetching server config: %v\n", err) - http.Redirect(w, r, "/error", http.StatusInternalServerError) + return + } + + // try and get the JWKS from param first + if p.Endpoints.JwksUri != "" { + if err := fetchAndMarshal(); err != nil { + w.Write(jwks) return } } - // forward the JWKS from the authorization server - if jwks == nil { - fmt.Printf("no JWKS was fetched from authorization server\n") - http.Redirect(w, r, "/error", http.StatusInternalServerError) + // otherwise or if fetching the JWKS failed, try and fetch the whole config first and try again + if p.Endpoints.Config != "" { + if err := p.FetchServerConfig(); err != nil { + fmt.Printf("failed to fetch server config: %v\n", err) + http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError) + return + } + } else { + fmt.Printf("getting JWKS from param failed and endpoints config unavailable\n") + http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError) return } + + if err := fetchAndMarshal(); err != nil { + fmt.Printf("failed to fetch and marshal JWKS after config update: %v\n", err) + http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError) + return + } + w.Write(jwks) }) r.HandleFunc("/token", func(w http.ResponseWriter, r *http.Request) { // use refresh token provided to do a refresh token grant refreshToken := r.URL.Query().Get("refresh-token") if refreshToken != "" { - _, err := params.JwtBearerParams.Client.PerformRefreshTokenGrant(provider.Endpoints.Token, refreshToken) + _, err := params.JwtBearerParams.Client.PerformRefreshTokenGrant(client.Provider.Endpoints.Token, refreshToken) if err != nil { fmt.Printf("failed to perform refresh token grant: %v\n", err) http.Redirect(w, r, "/error", http.StatusInternalServerError) @@ -176,6 +207,8 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli return } } else { + // FIXME: I think this probably needs to reworked or removed + // NOTE: this logic fetches a token for services to retrieve like BSS // perform a client credentials grant and return a token var err error accessToken, err = flows.NewClientCredentialsFlow(params.ClientCredentialsEndpoints, params.ClientCredentialsParams) @@ -195,10 +228,15 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli fmt.Printf("Authorization code: %v\n", code) } + // make sure we have the correct client to use + if client == nil { + fmt.Printf("failed to find valid client") + return + } + // use code from response and exchange for bearer token (with ID token) bearerToken, err := client.FetchTokenFromAuthenticationServer( code, - provider.Endpoints.Token, s.State, ) if err != nil { @@ -228,6 +266,7 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli // complete JWT bearer flow to receive access token from authorization server // fmt.Printf("bearer: %v\n", string(bearerToken)) params.JwtBearerParams.IdToken = data["id_token"].(string) + params.JwtBearerParams.Client = client accessToken, err = flows.NewJwtBearerFlow(params.JwtBearerEndpoints, params.JwtBearerParams) if err != nil { fmt.Printf("failed to complete JWT bearer flow: %v\n", err) @@ -294,250 +333,14 @@ func (s *Server) StartLogin(buttons string, provider *oidc.IdentityProvider, cli return s.ListenAndServe() } -func (s *Server) StartIdentityProvider() error { - // NOTE: this example does NOT implement CSRF tokens nor use them - - // create an example identity provider - var ( - r = chi.NewRouter() - // clients = []oauth.Client{} - callback = "" - activeCodes = []string{} - ) - - // check if callback is set - if s.Callback == "" { - callback = "/oidc/callback" - } - - // generate key pair used to sign JWKS and create JWTs - privateKey, err := rsa.GenerateKey(rand.Reader, 2048) - if err != nil { - return fmt.Errorf("failed to generate new RSA key: %v", err) - } - privateJwk, publicJwk, err := cryptox.GenerateJwkKeyPairFromPrivateKey(privateKey) - if err != nil { - return fmt.Errorf("failed to generate JWK pair from private key: %v", err) - } - kid, _ := privateJwk.Get("kid") - publicJwk.Set("kid", kid) - publicJwk.Set("use", "sig") - publicJwk.Set("kty", "RSA") - publicJwk.Set("alg", "RS256") - if err := publicJwk.Validate(); err != nil { - return fmt.Errorf("failed to validate public JWK: %v", err) - } - - // TODO: create .well-known JWKS endpoint with json - r.HandleFunc("/.well-known/jwks.json", func(w http.ResponseWriter, r *http.Request) { - // TODO: generate new JWKs from a private key - - jwks := map[string]any{ - "keys": []jwk.Key{ - publicJwk, - }, - } - b, err := json.Marshal(jwks) - if err != nil { - return - } - w.Write(b) - }) - - // TODO: create .well-known openid configuration - r.HandleFunc("/.well-known/openid-configuration", func(w http.ResponseWriter, r *http.Request) { - // create config JSON to serve with GET request - config := map[string]any{ - "issuer": "http://" + s.Addr, - "authorization_endpoint": "http://" + s.Addr + "/oauth/authorize", - "token_endpoint": "http://" + s.Addr + "/oauth/token", - "jwks_uri": "http://" + s.Addr + "/.well-known/jwks.json", - "scopes_supported": []string{ - "openid", - "profile", - "email", - }, - "response_types_supported": []string{ - "code", - }, - "grant_types_supported": []string{ - "authorization_code", - }, - "id_token_signing_alg_values_supported": []string{ - "RS256", - }, - "claims_supported": []string{ - "iss", - "sub", - "aud", - "exp", - "iat", - "name", - "email", - }, - } - - b, err := json.Marshal(config) - if err != nil { - return - } - w.Write(b) - }) - r.HandleFunc("/register", func(w http.ResponseWriter, r *http.Request) { - // serve up a simple login page - }) - r.HandleFunc("/consent", func(w http.ResponseWriter, r *http.Request) { - // give consent for app to use - }) - r.HandleFunc("/browser/login", func(w http.ResponseWriter, r *http.Request) { - // serve up a login page for user creds - form, err := os.ReadFile("pages/login.html") - if err != nil { - fmt.Printf("failed to load login form: %v", err) - } - w.Write(form) - }) - r.HandleFunc("/api/login", func(w http.ResponseWriter, r *http.Request) { - // check for example identity with POST request - r.ParseForm() - username := r.Form.Get("username") - password := r.Form.Get("password") - - // example username and password so do simplified authorization code flow - if username == "ochami" && password == "ochami" { - client := oauth.Client{ - Id: "ochami", - Secret: "ochami", - Name: "ochami", - Issuer: "http://127.0.0.1:3333", - RedirectUris: []string{fmt.Sprintf("http://%s:%d%s", s.Host, s.Port, callback)}, - } - - // check if there are any redirect URIs supplied - if len(client.RedirectUris) <= 0 { - fmt.Printf("no redirect URIs found") - return - } - for _, url := range client.RedirectUris { - // send an authorization code to each URI - code := util.RandomString(64) - activeCodes = append(activeCodes, code) - redirectUrl := fmt.Sprintf("%s?code=%s", url, code) - fmt.Printf("redirect URL: %s\n", redirectUrl) - http.Redirect(w, r, redirectUrl, http.StatusFound) - // _, _, err := httpx.MakeHttpRequest(fmt.Sprintf("%s?code=%s", url, code), http.MethodGet, nil, nil) - // if err != nil { - // fmt.Printf("failed to make request: %v\n", err) - // continue - // } - } - } else { - w.Write([]byte("error logging in")) - http.Redirect(w, r, "/browser/login", http.StatusUnauthorized) - } - }) - r.HandleFunc("/oauth/token", func(w http.ResponseWriter, r *http.Request) { - r.ParseForm() - - // check for authorization code and make sure it's valid - var code = r.Form.Get("code") - index := slices.IndexFunc(activeCodes, func(s string) bool { return s == code }) - if index < 0 { - fmt.Printf("invalid authorization code: %s\n", code) - return - } - - // now create and return a JWT that can be verified with by authorization server - iat := time.Now().Unix() - exp := time.Now().Add(time.Second * 3600 * 16).Unix() - t := jwt.New() - t.Set(jwt.IssuerKey, s.Addr) - t.Set(jwt.SubjectKey, "ochami") - t.Set(jwt.AudienceKey, "ochami") - t.Set(jwt.IssuedAtKey, iat) - t.Set(jwt.ExpirationKey, exp) - t.Set("name", "ochami") - t.Set("email", "example@ochami.org") - t.Set("email_verified", true) - t.Set("scope", []string{ - "openid", - "profile", - "email", - "example", - }) - // payload := map[string]any{} - // payload["iss"] = s.Addr - // payload["aud"] = "ochami" - // payload["iat"] = iat - // payload["nbf"] = iat - // payload["exp"] = exp - // payload["sub"] = "ochami" - // payload["name"] = "ochami" - // payload["email"] = "example@ochami.org" - // payload["email_verified"] = true - // payload["scope"] = []string{ - // "openid", - // "profile", - // "email", - // "example", - // } - payloadJson, err := json.MarshalIndent(t, "", "\t") - if err != nil { - fmt.Printf("failed to marshal payload: %v", err) - return - } - signed, err := jws.Sign(payloadJson, jws.WithKey(jwa.RS256, privateJwk)) - if err != nil { - fmt.Printf("failed to sign token: %v\n", err) - return - } - - // construct the bearer token with required fields - scope, _ := t.Get("scope") - bearer := map[string]any{ - "token_type": "Bearer", - "id_token": string(signed), - "expires_in": exp, - "created_at": iat, - "scope": strings.Join(scope.([]string), " "), - } - - b, err := json.MarshalIndent(bearer, "", "\t") - if err != nil { - fmt.Printf("failed to marshal bearer token: %v\n", err) - return - } - fmt.Printf("bearer: %s\n", string(b)) - w.Write(b) - }) - r.HandleFunc("/oauth/authorize", func(w http.ResponseWriter, r *http.Request) { - var ( - responseType = r.URL.Query().Get("response_type") - clientId = r.URL.Query().Get("client_id") - redirectUris = r.URL.Query().Get("redirect_uri") - ) - - // check for required authorization code params - if responseType != "code" { - fmt.Printf("invalid response type\n") - return - } - - // check that we're using the default registered client - if clientId != "ochami" { - fmt.Printf("invalid client\n") - return - } - - // TODO: check that our redirect URIs all match - for _, uri := range redirectUris { - _ = uri - } - - // redirect to browser login since we don't do session management here - http.Redirect(w, r, "/browser/login", http.StatusFound) - }) - - s.Handler = r - return s.ListenAndServe() +func makeButton(url string, text string) string { + // check if we have http:// a + // html := "", text) + html := "%s", url, text) + html += "" + return html } diff --git a/pages/login.html b/pages/login.html index e55f5cf..c25f8c3 100644 --- a/pages/login.html +++ b/pages/login.html @@ -7,7 +7,7 @@

Forgot Username?
- + \ No newline at end of file