GoToSocial/internal/web/base.go

107 lines
3.0 KiB
Go

/*
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/>.
*/
package web
import (
"fmt"
"net/http"
"os"
"path/filepath"
"github.com/gin-gonic/gin"
"github.com/sirupsen/logrus"
"github.com/superseriousbusiness/gotosocial/internal/api"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
)
type Module struct {
config *config.Config
processor processing.Processor
log *logrus.Logger
}
func New(config *config.Config, processor processing.Processor, log *logrus.Logger) api.ClientModule {
return &Module{
config: config,
log: log,
processor: processor,
}
}
func (m *Module) baseHandler(c *gin.Context) {
l := m.log.WithField("func", "BaseGETHandler")
l.Trace("serving index html")
instance, err := m.processor.InstanceGet(c.Request.Context(), m.config.Host)
if err != nil {
l.Debugf("error getting instance from processor: %s", err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
return
}
c.HTML(http.StatusOK, "index.tmpl", gin.H{
"instance": instance,
})
}
func (m *Module) NotFoundHandler(c *gin.Context) {
l := m.log.WithField("func", "404")
l.Trace("serving 404 html")
instance, err := m.processor.InstanceGet(c.Request.Context(), m.config.Host)
if err != nil {
l.Debugf("error getting instance from processor: %s", err)
c.JSON(http.StatusInternalServerError, gin.H{"error": "internal server error"})
return
}
c.HTML(404, "404.tmpl", gin.H{
"instance": instance,
})
}
// Route satisfies the RESTAPIModule interface
func (m *Module) Route(s router.Router) error {
// serve static files from /assets
cwd, err := os.Getwd()
if err != nil {
return fmt.Errorf("error getting current working directory: %s", err)
}
assetPath := filepath.Join(cwd, m.config.TemplateConfig.AssetBaseDir)
s.AttachStaticFS("/assets", FileSystem{http.Dir(assetPath)})
// Admin panel route, if it exists
adminPath := filepath.Join(cwd, m.config.TemplateConfig.AssetBaseDir, "/admin")
s.AttachStaticFS("/admin", FileSystem{http.Dir(adminPath)})
// serve front-page
s.AttachHandler(http.MethodGet, "/", m.baseHandler)
// serve statuses
s.AttachHandler(http.MethodGet, "/:user/statuses/:id", m.threadTemplateHandler)
// 404 handler
s.AttachNoRouteHandler(m.NotFoundHandler)
return nil
}