ec1f89217a
Full Mattermost server source with integrated Community Enterprise features. Includes vendor directory for offline/air-gapped builds. Structure: - enterprise-impl/: Enterprise feature implementations - enterprise-community/: Init files that register implementations - enterprise/: Bridge imports (community_imports.go) - vendor/: All dependencies for offline builds Build (online): go build ./cmd/mattermost Build (offline/air-gapped): go build -mod=vendor ./cmd/mattermost 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package app
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import (
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"image"
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"io"
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"mime"
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"net/http"
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"path/filepath"
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"strings"
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"github.com/mattermost/mattermost/server/public/model"
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"github.com/mattermost/mattermost/server/v8/channels/utils/imgutils"
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)
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func getInfoForBytes(name string, data io.ReadSeeker, size int) (*model.FileInfo, *model.AppError) {
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info := &model.FileInfo{
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Name: name,
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Size: int64(size),
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}
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var err *model.AppError
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extension := strings.ToLower(filepath.Ext(name))
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info.MimeType = mime.TypeByExtension(extension)
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if extension != "" {
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// The client expects a file extension without the leading period
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info.Extension = extension[1:]
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} else {
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info.Extension = extension
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}
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if info.IsImage() {
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// Only set the width and height if it's actually an image that we can understand
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if config, _, err := image.DecodeConfig(data); err == nil {
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info.Width = config.Width
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info.Height = config.Height
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if info.MimeType == "image/gif" {
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// Just show the gif itself instead of a preview image for animated gifs
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if _, err := data.Seek(0, io.SeekStart); err != nil {
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return info, model.NewAppError("getInfoForBytes", "app.file_info.seek.gif.app_error", nil, "", http.StatusBadRequest).Wrap(err)
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}
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frameCount, err := imgutils.CountGIFFrames(data)
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if err != nil {
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// Still return the rest of the info even though it doesn't appear to be an actual gif
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info.HasPreviewImage = true
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return info, model.NewAppError("getInfoForBytes", "app.file_info.get.gif.app_error", nil, "", http.StatusBadRequest).Wrap(err)
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}
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info.HasPreviewImage = frameCount == 1
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} else {
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info.HasPreviewImage = true
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}
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}
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}
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return info, err
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}
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