230 lines
7.0 KiB
Go
230 lines
7.0 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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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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//
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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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//
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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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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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"strings"
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"github.com/gin-gonic/gin"
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apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
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apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/gtserror"
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"github.com/superseriousbusiness/gotosocial/internal/oauth"
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"github.com/superseriousbusiness/gotosocial/internal/validate"
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)
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// EmojiPATCHHandler swagger:operation PATCH /api/v1/admin/custom_emojis/{id} emojiUpdate
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//
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// Perform admin action on a local or remote emoji known to this instance.
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//
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// Action performed depends upon the action `type` provided.
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//
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// `disable`: disable a REMOTE emoji from being used/displayed on this instance. Does not work for local emojis.
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//
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// `copy`: copy a REMOTE emoji to this instance. When doing this action, a shortcode MUST be provided, and it must
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// be unique among emojis already present on this instance. A category MAY be provided, and the copied emoji will then
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// be put into the provided category.
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//
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// `modify`: modify a LOCAL emoji. You can provide a new image for the emoji and/or update the category.
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//
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// Local emojis cannot be deleted using this endpoint. To delete a local emoji, check DELETE /api/v1/admin/custom_emojis/{id} instead.
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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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// -
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// name: id
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// type: string
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// description: The id of the emoji.
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// in: path
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// required: true
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// -
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// name: type
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// in: formData
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// description: |-
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// Type of action to be taken. One of: (`disable`, `copy`, `modify`).
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// For REMOTE emojis, `copy` or `disable` are supported.
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// For LOCAL emojis, only `modify` is supported.
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// type: string
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// enum:
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// - copy
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// - disable
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// - modify
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// required: true
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// -
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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. Works for the `copy` action type only.
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// type: string
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// pattern: \w{2,30}
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// -
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// name: image
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// in: formData
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// description: >-
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// A new png or gif image to use for the emoji. Animated pngs work too!
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// To ensure compatibility with other fedi implementations, emoji size limit is 50kb by default.
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// Works for LOCAL emojis only.
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// type: file
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// -
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// name: category
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// in: formData
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// description: >-
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// Category in which to place the emoji.
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// If a category with the given name doesn't exist yet, it will be created.
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// type: string
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// maximumLength: 64
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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 updated emoji.
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// schema:
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// "$ref": "#/definitions/adminEmoji"
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// '400':
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// description: bad request
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// '401':
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// description: unauthorized
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// '403':
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// description: forbidden
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// '404':
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// description: not found
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// '406':
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// description: not acceptable
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// '500':
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// description: internal server error
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func (m *Module) EmojiPATCHHandler(c *gin.Context) {
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authed, err := oauth.Authed(c, true, true, true, true)
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if err != nil {
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apiutil.ErrorHandler(c, gtserror.NewErrorUnauthorized(err, err.Error()), m.processor.InstanceGetV1)
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return
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}
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if !*authed.User.Admin {
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err := fmt.Errorf("user %s not an admin", authed.User.ID)
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apiutil.ErrorHandler(c, gtserror.NewErrorForbidden(err, err.Error()), m.processor.InstanceGetV1)
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return
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}
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if authed.Account.IsMoving() {
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apiutil.ForbiddenAfterMove(c)
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return
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}
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if _, err := apiutil.NegotiateAccept(c, apiutil.JSONAcceptHeaders...); err != nil {
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apiutil.ErrorHandler(c, gtserror.NewErrorNotAcceptable(err, err.Error()), m.processor.InstanceGetV1)
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return
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}
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emojiID, errWithCode := apiutil.ParseID(c.Param(apiutil.IDKey))
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if errWithCode != nil {
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apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
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return
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}
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form := &apimodel.EmojiUpdateRequest{}
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if err := c.ShouldBind(form); err != nil {
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apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
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return
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}
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if err := validateUpdateEmoji(form); err != nil {
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apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)
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return
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}
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emoji, errWithCode := m.processor.Admin().EmojiUpdate(c.Request.Context(), emojiID, form)
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if errWithCode != nil {
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apiutil.ErrorHandler(c, errWithCode, m.processor.InstanceGetV1)
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return
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}
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apiutil.JSON(c, http.StatusOK, emoji)
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}
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// do a first pass on the form here
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func validateUpdateEmoji(form *apimodel.EmojiUpdateRequest) error {
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// check + normalize update type so we don't need
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// to do this trimming + lowercasing again later
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switch strings.TrimSpace(strings.ToLower(string(form.Type))) {
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case string(apimodel.EmojiUpdateDisable):
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// no params required for this one, so don't bother checking
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form.Type = apimodel.EmojiUpdateDisable
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case string(apimodel.EmojiUpdateCopy):
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// need at least a valid shortcode when doing a copy
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if form.Shortcode == nil {
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return errors.New("emoji action type was 'copy' but no shortcode was provided")
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}
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if err := validate.EmojiShortcode(*form.Shortcode); err != nil {
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return err
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}
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// category optional during copy
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if form.CategoryName != nil {
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if err := validate.EmojiCategory(*form.CategoryName); err != nil {
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return err
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}
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}
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form.Type = apimodel.EmojiUpdateCopy
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case string(apimodel.EmojiUpdateModify):
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// need either image or category name for modify
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hasImage := form.Image != nil && form.Image.Size != 0
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hasCategoryName := form.CategoryName != nil
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if !hasImage && !hasCategoryName {
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return errors.New("emoji action type was 'modify' but no image or category name was provided")
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}
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if hasImage {
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maxSize := config.GetMediaEmojiLocalMaxSize()
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if form.Image.Size > int64(maxSize) {
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return fmt.Errorf("emoji image too large: image is %dKB but size limit for custom emojis is %dKB", form.Image.Size/1024, maxSize/1024)
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}
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}
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if hasCategoryName {
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if err := validate.EmojiCategory(*form.CategoryName); err != nil {
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return err
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}
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}
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form.Type = apimodel.EmojiUpdateModify
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default:
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return errors.New("emoji action type must be one of 'disable', 'copy', 'modify'")
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}
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return nil
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}
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