diff options
Diffstat (limited to 'internal/apimodule/auth/authorize.go')
| -rw-r--r-- | internal/apimodule/auth/authorize.go | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/internal/apimodule/auth/authorize.go b/internal/apimodule/auth/authorize.go deleted file mode 100644 index 4bc1991ac..000000000 --- a/internal/apimodule/auth/authorize.go +++ /dev/null @@ -1,204 +0,0 @@ -/* - GoToSocial - Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org - - 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 auth - -import ( - "errors" - "fmt" - "net/http" - "net/url" - - "github.com/gin-contrib/sessions" - "github.com/gin-gonic/gin" - "github.com/sirupsen/logrus" - "github.com/superseriousbusiness/gotosocial/internal/db/gtsmodel" - "github.com/superseriousbusiness/gotosocial/internal/mastotypes/mastomodel" -) - -// AuthorizeGETHandler should be served as GET at https://example.org/oauth/authorize -// The idea here is to present an oauth authorize page to the user, with a button -// that they have to click to accept. See here: https://docs.joinmastodon.org/methods/apps/oauth/#authorize-a-user -func (m *Module) AuthorizeGETHandler(c *gin.Context) { - l := m.log.WithField("func", "AuthorizeGETHandler") - s := sessions.Default(c) - - // UserID will be set in the session by AuthorizePOSTHandler if the caller has already gone through the authentication flow - // If it's not set, then we don't know yet who the user is, so we need to redirect them to the sign in page. - userID, ok := s.Get("userid").(string) - if !ok || userID == "" { - l.Trace("userid was empty, parsing form then redirecting to sign in page") - if err := parseAuthForm(c, l); err != nil { - c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) - } else { - c.Redirect(http.StatusFound, AuthSignInPath) - } - return - } - - // We can use the client_id on the session to retrieve info about the app associated with the client_id - clientID, ok := s.Get("client_id").(string) - if !ok || clientID == "" { - c.JSON(http.StatusInternalServerError, gin.H{"error": "no client_id found in session"}) - return - } - app := >smodel.Application{ - ClientID: clientID, - } - if err := m.db.GetWhere("client_id", app.ClientID, app); err != nil { - c.JSON(http.StatusInternalServerError, gin.H{"error": fmt.Sprintf("no application found for client id %s", clientID)}) - return - } - - // we can also use the userid of the user to fetch their username from the db to greet them nicely <3 - user := >smodel.User{ - ID: userID, - } - if err := m.db.GetByID(user.ID, user); err != nil { - c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) - return - } - - acct := >smodel.Account{ - ID: user.AccountID, - } - - if err := m.db.GetByID(acct.ID, acct); err != nil { - c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()}) - return - } - - // Finally we should also get the redirect and scope of this particular request, as stored in the session. - redirect, ok := s.Get("redirect_uri").(string) - if !ok || redirect == "" { - c.JSON(http.StatusInternalServerError, gin.H{"error": "no redirect_uri found in session"}) - return - } - scope, ok := s.Get("scope").(string) - if !ok || scope == "" { - c.JSON(http.StatusInternalServerError, gin.H{"error": "no scope found in session"}) - return - } - - // the authorize template will display a form to the user where they can get some information - // about the app that's trying to authorize, and the scope of the request. - // They can then approve it if it looks OK to them, which will POST to the AuthorizePOSTHandler - l.Trace("serving authorize html") - c.HTML(http.StatusOK, "authorize.tmpl", gin.H{ - "appname": app.Name, - "appwebsite": app.Website, - "redirect": redirect, - "scope": scope, - "user": acct.Username, - }) -} - -// AuthorizePOSTHandler should be served as POST at https://example.org/oauth/authorize -// At this point we assume that the user has A) logged in and B) accepted that the app should act for them, -// so we should proceed with the authentication flow and generate an oauth token for them if we can. -// See here: https://docs.joinmastodon.org/methods/apps/oauth/#authorize-a-user -func (m *Module) AuthorizePOSTHandler(c *gin.Context) { - l := m.log.WithField("func", "AuthorizePOSTHandler") - s := sessions.Default(c) - - // At this point we know the user has said 'yes' to allowing the application and oauth client - // work for them, so we can set the - - // We need to retrieve the original form submitted to the authorizeGEThandler, and - // recreate it on the request so that it can be used further by the oauth2 library. - // So first fetch all the values from the session. - forceLogin, ok := s.Get("force_login").(string) - if !ok { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing force_login"}) - return - } - responseType, ok := s.Get("response_type").(string) - if !ok || responseType == "" { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing response_type"}) - return - } - clientID, ok := s.Get("client_id").(string) - if !ok || clientID == "" { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing client_id"}) - return - } - redirectURI, ok := s.Get("redirect_uri").(string) - if !ok || redirectURI == "" { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing redirect_uri"}) - return - } - scope, ok := s.Get("scope").(string) - if !ok { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing scope"}) - return - } - userID, ok := s.Get("userid").(string) - if !ok { - c.JSON(http.StatusBadRequest, gin.H{"error": "session missing userid"}) - return - } - // we're done with the session so we can clear it now - s.Clear() - - // now set the values on the request - values := url.Values{} - values.Set("force_login", forceLogin) - values.Set("response_type", responseType) - values.Set("client_id", clientID) - values.Set("redirect_uri", redirectURI) - values.Set("scope", scope) - values.Set("userid", userID) - c.Request.Form = values - l.Tracef("values on request set to %+v", c.Request.Form) - - // and proceed with authorization using the oauth2 library - if err := m.server.HandleAuthorizeRequest(c.Writer, c.Request); err != nil { - c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()}) - } -} - -// parseAuthForm parses the OAuthAuthorize form in the gin context, and stores -// the values in the form into the session. -func parseAuthForm(c *gin.Context, l *logrus.Entry) error { - s := sessions.Default(c) - - // first make sure they've filled out the authorize form with the required values - form := &mastotypes.OAuthAuthorize{} - if err := c.ShouldBind(form); err != nil { - return err - } - l.Tracef("parsed form: %+v", form) - - // these fields are *required* so check 'em - if form.ResponseType == "" || form.ClientID == "" || form.RedirectURI == "" { - return errors.New("missing one of: response_type, client_id or redirect_uri") - } - - // set default scope to read - if form.Scope == "" { - form.Scope = "read" - } - - // save these values from the form so we can use them elsewhere in the session - s.Set("force_login", form.ForceLogin) - s.Set("response_type", form.ResponseType) - s.Set("client_id", form.ClientID) - s.Set("redirect_uri", form.RedirectURI) - s.Set("scope", form.Scope) - return s.Save() -} |