mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-10-31 06:32:26 -05:00
113 lines
3.8 KiB
Go
113 lines
3.8 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 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 app
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import (
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"fmt"
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"net/http"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/superseriousbusiness/gotosocial/internal/db/model"
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"github.com/superseriousbusiness/gotosocial/internal/oauth"
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"github.com/superseriousbusiness/gotosocial/pkg/mastotypes"
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)
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// appsPOSTHandler should be served at https://example.org/api/v1/apps
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// It is equivalent to: https://docs.joinmastodon.org/methods/apps/
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func (m *appModule) appsPOSTHandler(c *gin.Context) {
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l := m.log.WithField("func", "AppsPOSTHandler")
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l.Trace("entering AppsPOSTHandler")
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form := &mastotypes.ApplicationPOSTRequest{}
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if err := c.ShouldBind(form); err != nil {
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c.JSON(http.StatusUnprocessableEntity, gin.H{"error": err.Error()})
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return
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}
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// permitted length for most fields
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permittedLength := 64
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// redirect can be a bit bigger because we probably need to encode data in the redirect uri
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permittedRedirect := 256
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// check lengths of fields before proceeding so the user can't spam huge entries into the database
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if len(form.ClientName) > permittedLength {
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c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("client_name must be less than %d bytes", permittedLength)})
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return
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}
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if len(form.Website) > permittedLength {
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c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("website must be less than %d bytes", permittedLength)})
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return
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}
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if len(form.RedirectURIs) > permittedRedirect {
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c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("redirect_uris must be less than %d bytes", permittedRedirect)})
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return
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}
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if len(form.Scopes) > permittedLength {
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c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("scopes must be less than %d bytes", permittedLength)})
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return
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}
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// set default 'read' for scopes if it's not set, this follows the default of the mastodon api https://docs.joinmastodon.org/methods/apps/
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var scopes string
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if form.Scopes == "" {
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scopes = "read"
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} else {
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scopes = form.Scopes
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}
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// generate new IDs for this application and its associated client
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clientID := uuid.NewString()
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clientSecret := uuid.NewString()
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vapidKey := uuid.NewString()
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// generate the application to put in the database
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app := &model.Application{
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Name: form.ClientName,
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Website: form.Website,
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RedirectURI: form.RedirectURIs,
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ClientID: clientID,
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ClientSecret: clientSecret,
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Scopes: scopes,
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VapidKey: vapidKey,
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}
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// chuck it in the db
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if err := m.db.Put(app); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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// now we need to model an oauth client from the application that the oauth library can use
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oc := &oauth.Client{
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ID: clientID,
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Secret: clientSecret,
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Domain: form.RedirectURIs,
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UserID: "", // This client isn't yet associated with a specific user, it's just an app client right now
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}
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// chuck it in the db
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if err := m.db.Put(oc); err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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// done, return the new app information per the spec here: https://docs.joinmastodon.org/methods/apps/
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c.JSON(http.StatusOK, app.ToMasto())
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}
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