// GoToSocial // Copyright (C) GoToSocial Authors admin@gotosocial.org // SPDX-License-Identifier: AGPL-3.0-or-later // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU Affero General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Affero General Public License for more details. // // You should have received a copy of the GNU Affero General Public License // along with this program. If not, see <http://www.gnu.org/licenses/>. package webfinger import ( "errors" "fmt" "net/http" "github.com/gin-gonic/gin" apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util" "github.com/superseriousbusiness/gotosocial/internal/config" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/util" ) // WebfingerGETRequest swagger:operation GET /.well-known/webfinger webfingerGet // // Handles webfinger account lookup requests. // // For example, a GET to `https://goblin.technology/.well-known/webfinger?resource=acct:tobi@goblin.technology` would return: // // ``` // // {"subject":"acct:tobi@goblin.technology","aliases":["https://goblin.technology/users/tobi","https://goblin.technology/@tobi"],"links":[{"rel":"http://webfinger.net/rel/profile-page","type":"text/html","href":"https://goblin.technology/@tobi"},{"rel":"self","type":"application/activity+json","href":"https://goblin.technology/users/tobi"}]} // // ``` // // See: https://webfinger.net/ // // --- // tags: // - .well-known // // produces: // - application/jrd+json // // responses: // '200': // schema: // "$ref": "#/definitions/wellKnownResponse" func (m *Module) WebfingerGETRequest(c *gin.Context) { if _, err := apiutil.NegotiateAccept(c, apiutil.WebfingerJSONAcceptHeaders...); err != nil { apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1) return } resourceQuery, set := c.GetQuery("resource") if !set || resourceQuery == "" { err := errors.New("no 'resource' in request query") apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1) return } requestedUsername, requestedHost, err := util.ExtractWebfingerParts(resourceQuery) if err != nil { err := fmt.Errorf("bad webfinger request with resource query %s: %w", resourceQuery, err) apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1) return } if requestedHost != config.GetHost() && requestedHost != config.GetAccountDomain() { err := fmt.Errorf("requested host %s does not belong to this instance", requestedHost) apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1) return } resp, errWithCode := m.processor.Fedi().WebfingerGet(c.Request.Context(), requestedUsername) if errWithCode != nil { apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1) return } // Encode JSON HTTP response. apiutil.EncodeJSONResponse( c.Writer, c.Request, http.StatusOK, apiutil.AppJRDJSON, resp, ) }