138 lines
4.1 KiB
Go
138 lines
4.1 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 admin
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import (
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"errors"
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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/sirupsen/logrus"
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"github.com/superseriousbusiness/gotosocial/internal/api/model"
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"github.com/superseriousbusiness/gotosocial/internal/media"
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"github.com/superseriousbusiness/gotosocial/internal/oauth"
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"github.com/superseriousbusiness/gotosocial/internal/util"
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)
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// emojiCreateRequest handles the creation of a new instance emoji.
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//
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// swagger:operation POST /api/v1/admin/custom_emojis emojiCreate
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//
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// Upload and create a new instance emoji.
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//
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// ---
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// tags:
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// - admin
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//
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// consumes:
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// - multipart/form-data
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//
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// produces:
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// - application/json
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//
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// parameters:
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// - name: shortcode
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// in: formData
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// description: |-
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// The code to use for the emoji, which will be used by instance denizens to select it.
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// This must be unique on the instance.
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// type: string
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// pattern: \w{2,30}
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// example: blobcat_uwu
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// - name: domains
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// in: formData
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// description: A png or gif image of the emoji. Animated pngs work too!
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// type: file
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//
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// security:
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// - OAuth2 Bearer:
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// - admin
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//
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// responses:
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// '200':
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// description: The newly-created emoji.
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// schema:
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// "$ref": "#/definitions/emoji"
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// '403':
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// description: forbidden
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// '400':
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// description: bad request
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func (m *Module) emojiCreatePOSTHandler(c *gin.Context) {
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l := m.log.WithFields(logrus.Fields{
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"func": "emojiCreatePOSTHandler",
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"request_uri": c.Request.RequestURI,
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"user_agent": c.Request.UserAgent(),
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"origin_ip": c.ClientIP(),
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})
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// make sure we're authed with an admin account
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authed, err := oauth.Authed(c, true, true, true, true) // posting a status is serious business so we want *everything*
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if err != nil {
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l.Debugf("couldn't auth: %s", err)
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c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
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return
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}
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if !authed.User.Admin {
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l.Debugf("user %s not an admin", authed.User.ID)
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c.JSON(http.StatusForbidden, gin.H{"error": "not an admin"})
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return
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}
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// extract the media create form from the request context
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l.Tracef("parsing request form: %+v", c.Request.Form)
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form := &model.EmojiCreateRequest{}
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if err := c.ShouldBind(form); err != nil {
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l.Debugf("error parsing form %+v: %s", c.Request.Form, err)
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c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("could not parse form: %s", err)})
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return
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}
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// Give the fields on the request form a first pass to make sure the request is superficially valid.
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l.Tracef("validating form %+v", form)
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if err := validateCreateEmoji(form); err != nil {
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l.Debugf("error validating form: %s", err)
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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mastoEmoji, err := m.processor.AdminEmojiCreate(authed, form)
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if err != nil {
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l.Debugf("error creating emoji: %s", err)
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, mastoEmoji)
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}
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func validateCreateEmoji(form *model.EmojiCreateRequest) error {
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// check there actually is an image attached and it's not size 0
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if form.Image == nil || form.Image.Size == 0 {
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return errors.New("no emoji given")
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}
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// a very superficial check to see if the media size limit is exceeded
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if form.Image.Size > media.EmojiMaxBytes {
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return fmt.Errorf("file size limit exceeded: limit is %d bytes but emoji was %d bytes", media.EmojiMaxBytes, form.Image.Size)
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}
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return util.ValidateEmojiShortcode(form.Shortcode)
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}
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