mattermost-community-enterp.../channels/app/download.go
Claude ec1f89217a Merge: Complete Mattermost Server with Community Enterprise
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>
2025-12-17 23:59:07 +09:00

68 lines
1.7 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package app
import (
"io"
"net/http"
"net/url"
"time"
"github.com/pkg/errors"
"github.com/mattermost/mattermost/server/public/model"
"github.com/mattermost/mattermost/server/v8/channels/utils"
)
const (
// HTTPRequestTimeout defines a high timeout for downloading large files
// from an external URL to avoid slow connections from failing to install.
HTTPRequestTimeout = 1 * time.Hour
)
func (a *App) DownloadFromURL(downloadURL string) ([]byte, error) {
return a.Srv().downloadFromURL(downloadURL)
}
func (s *Server) downloadFromURL(downloadURL string) ([]byte, error) {
if !model.IsValidHTTPURL(downloadURL) {
return nil, errors.Errorf("invalid url %s", downloadURL)
}
u, err := url.ParseRequestURI(downloadURL)
if err != nil {
return nil, errors.Errorf("failed to parse url %s", downloadURL)
}
if !*s.platform.Config().PluginSettings.AllowInsecureDownloadURL && u.Scheme != "https" {
return nil, errors.Errorf("insecure url not allowed %s", downloadURL)
}
client := s.HTTPService().MakeClient(true)
client.Timeout = HTTPRequestTimeout
var resp *http.Response
err = utils.ProgressiveRetry(func() error {
resp, err = client.Get(downloadURL)
if err != nil {
return errors.Wrapf(err, "failed to fetch from %s", downloadURL)
}
if !(resp.StatusCode >= 200 && resp.StatusCode < 300) {
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
return errors.Errorf("failed to fetch from %s", downloadURL)
}
return nil
})
if err != nil {
return nil, errors.Wrap(err, "download failed after multiple retries.")
}
defer resp.Body.Close()
return io.ReadAll(resp.Body)
}