start updating media handler for proper processing

internal/api/client/fileserver/servefile.go

@@ -78,7 +78,7 @@ func (m *FileServer) ServeFile(c *gin.Context) {
 		return
 	}
 
-	content, err := m.processor.MediaGet(authed, &model.GetContentRequestForm{
+	content, err := m.processor.FileGet(authed, &model.GetContentRequestForm{
 		AccountID: accountID,
 		MediaType: mediaType,
 		MediaSize: mediaSize,

internal/api/client/media/media.go

@@ -33,6 +33,10 @@ import (
 
 // BasePath is the base API path for making media requests
 const BasePath = "/api/v1/media"
+// IDKey is the key for media attachment IDs
+const IDKey = "id"
+// BasePathWithID corresponds to a media attachment with the given ID
+const BasePathWithID = BasePath + "/:" + IDKey
 
 // Module implements the ClientAPIModule interface for media
 type Module struct {
@@ -53,6 +57,7 @@ func New(config *config.Config, processor message.Processor, log *logrus.Logger)
 // Route satisfies the RESTAPIModule interface
 func (m *Module) Route(s router.Router) error {
 	s.AttachHandler(http.MethodPost, BasePath, m.MediaCreatePOSTHandler)
+	s.AttachHandler(http.MethodGet, BasePathWithID, m.MediaGETHandler)
 	return nil
 }
 

internal/api/client/media/mediaget.go

@@ -0,0 +1,51 @@
+package media
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/superseriousbusiness/gotosocial/internal/oauth"
+)
+
+/*
+   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/>.
+*/
+
+// MediaGETHandler allows the owner of an attachment to get information about that attachment before it's used in a status.
+func (m *Module) MediaGETHandler(c *gin.Context) {
+	l := m.log.WithField("func", "statusCreatePOSTHandler")
+	authed, err := oauth.Authed(c, true, true, true, true)
+	if err != nil {
+		l.Debugf("couldn't auth: %s", err)
+		c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+		return
+	}
+
+	attachmentID := c.GetString(IDKey)
+	if attachmentID == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "no attachment ID given in request"})
+		return
+	}
+
+	attachment, errWithCode := m.processor.MediaGet(authed, attachmentID)
+	if err != nil {
+		c.JSON(errWithCode.Code(),gin.H{"error":  errWithCode.Safe()})
+		return
+	}
+
+	c.JSON(http.StatusOK, attachment)
+}