gotosocial/internal/web/web.go

121 lines
4.4 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 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 (
"errors"
"net/http"
"codeberg.org/gruf/go-cache/v3"
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/api"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/processing"
"github.com/superseriousbusiness/gotosocial/internal/router"
"github.com/superseriousbusiness/gotosocial/internal/uris"
)
const (
confirmEmailPath = "/" + uris.ConfirmEmailPath
profilePath = "/@:" + usernameKey
customCSSPath = profilePath + "/custom.css"
rssFeedPath = profilePath + "/feed.rss"
statusPath = profilePath + "/statuses/:" + statusIDKey
assetsPathPrefix = "/assets"
distPathPrefix = assetsPathPrefix + "/dist"
userPanelPath = "/settings/user"
adminPanelPath = "/settings/admin"
tokenParam = "token"
usernameKey = "username"
statusIDKey = "status"
cacheControlHeader = "Cache-Control" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
cacheControlNoCache = "no-cache" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#response_directives
ifModifiedSinceHeader = "If-Modified-Since" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since
ifNoneMatchHeader = "If-None-Match" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-None-Match
eTagHeader = "ETag" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
lastModifiedHeader = "Last-Modified" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
)
// Module implements the api.ClientModule interface for web pages.
type Module struct {
processor processing.Processor
eTagCache cache.Cache[string, eTagCacheEntry]
}
// New returns a new api.ClientModule for web pages.
func New(processor processing.Processor) api.ClientModule {
return &Module{
processor: processor,
eTagCache: newETagCache(),
}
}
// Route satisfies the RESTAPIModule interface
func (m *Module) Route(s router.Router) error {
// serve static files from assets dir at /assets
assetsGroup := s.AttachGroup(assetsPathPrefix)
m.mountAssetsFilesystem(assetsGroup)
s.AttachHandler(http.MethodGet, "/settings", m.SettingsPanelHandler)
s.AttachHandler(http.MethodGet, "/settings/*panel", m.SettingsPanelHandler)
// User panel redirects
// used by clients
s.AttachHandler(http.MethodGet, "/auth/edit", func(c *gin.Context) {
c.Redirect(http.StatusMovedPermanently, userPanelPath)
})
// old version of settings panel
s.AttachHandler(http.MethodGet, "/user", func(c *gin.Context) {
c.Redirect(http.StatusMovedPermanently, userPanelPath)
})
// Admin panel redirects
// old version of settings panel
s.AttachHandler(http.MethodGet, "/admin", func(c *gin.Context) {
c.Redirect(http.StatusMovedPermanently, adminPanelPath)
})
// serve front-page
s.AttachHandler(http.MethodGet, "/", m.baseHandler)
// serve profile pages at /@username
s.AttachHandler(http.MethodGet, profilePath, m.profileGETHandler)
// serve custom css at /@username/custom.css
s.AttachHandler(http.MethodGet, customCSSPath, m.customCSSGETHandler)
s.AttachHandler(http.MethodGet, rssFeedPath, m.rssFeedGETHandler)
// serve statuses
s.AttachHandler(http.MethodGet, statusPath, m.threadGETHandler)
// serve email confirmation page at /confirm_email?token=whatever
s.AttachHandler(http.MethodGet, confirmEmailPath, m.confirmEmailGETHandler)
// 404 handler
s.AttachNoRouteHandler(func(c *gin.Context) {
api.ErrorHandler(c, gtserror.NewErrorNotFound(errors.New(http.StatusText(http.StatusNotFound))), m.processor.InstanceGet)
})
return nil
}