mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-01 15:00:00 +00:00
76 lines
2.5 KiB
Go
76 lines
2.5 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package user
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import (
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"encoding/json"
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"errors"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/api"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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)
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// UsersGETHandler should be served at https://example.org/users/:username.
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//
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// The goal here is to return the activitypub representation of an account
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// in the form of a vocab.ActivityStreamsPerson. This should only be served
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// to REMOTE SERVERS that present a valid signature on the GET request, on
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// behalf of a user, otherwise we risk leaking information about users publicly.
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//
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// And of course, the request should be refused if the account or server making the
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// request is blocked.
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func (m *Module) UsersGETHandler(c *gin.Context) {
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// usernames on our instance are always lowercase
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requestedUsername := strings.ToLower(c.Param(UsernameKey))
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if requestedUsername == "" {
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err := errors.New("no username specified in request")
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api.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGet)
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return
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}
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format, err := api.NegotiateAccept(c, api.HTMLOrActivityPubHeaders...)
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if err != nil {
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api.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGet)
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return
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}
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if format == string(api.TextHTML) {
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// redirect to the user's profile
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c.Redirect(http.StatusSeeOther, "/@"+requestedUsername)
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return
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}
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resp, errWithCode := m.processor.GetFediUser(transferContext(c), requestedUsername, c.Request.URL)
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if errWithCode != nil {
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api.ErrorHandler(c, errWithCode, m.processor.InstanceGet)
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return
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}
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b, err := json.Marshal(resp)
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if err != nil {
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api.ErrorHandler(c, gtserror.NewErrorInternalError(err), m.processor.InstanceGet)
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return
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}
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c.Data(http.StatusOK, format, b)
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}
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