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/*
GoToSocial
Copyright (C) 2021-2023 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 (
"net/http"
"path/filepath"
"codeberg.org/gruf/go-cache/v3"
"github.com/gin-gonic/gin"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/log"
"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"
settingsPathPrefix = "/settings"
settingsPanelGlob = settingsPathPrefix + "/*panel"
userPanelPath = settingsPathPrefix + "/user"
adminPanelPath = settingsPathPrefix + "/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
)
type Module struct {
processor processing.Processor
eTagCache cache.Cache[string, eTagCacheEntry]
}
func New(processor processing.Processor) *Module {
return &Module{
processor: processor,
eTagCache: newETagCache(),
}
}
func (m *Module) Route(r router.Router, mi ...gin.HandlerFunc) {
// serve static files from assets dir at /assets
assetsGroup := r.AttachGroup(assetsPathPrefix)
webAssetsAbsFilePath, err := filepath.Abs(config.GetWebAssetBaseDir())
if err != nil {
log.Panicf("error getting absolute path of assets dir: %s", err)
}
fs := fileSystem{http.Dir(webAssetsAbsFilePath)}
// use the cache middleware on all handlers in this group
assetsGroup.Use(m.assetsCacheControlMiddleware(fs))
assetsGroup.Use(mi...)
// serve static file system in the root of this group,
// will end up being something like "/assets/"
assetsGroup.StaticFS("/", fs)
/*
Attach individual web handlers which require no specific middlewares
*/
r.AttachHandler(http.MethodGet, "/", m.baseHandler) // front-page
r.AttachHandler(http.MethodGet, settingsPathPrefix, m.SettingsPanelHandler)
r.AttachHandler(http.MethodGet, settingsPanelGlob, m.SettingsPanelHandler)
r.AttachHandler(http.MethodGet, profilePath, m.profileGETHandler)
r.AttachHandler(http.MethodGet, customCSSPath, m.customCSSGETHandler)
r.AttachHandler(http.MethodGet, rssFeedPath, m.rssFeedGETHandler)
r.AttachHandler(http.MethodGet, statusPath, m.threadGETHandler)
r.AttachHandler(http.MethodGet, confirmEmailPath, m.confirmEmailGETHandler)
r.AttachHandler(http.MethodGet, robotsPath, m.robotsGETHandler)
/*
Attach redirects from old endpoints to current ones for backwards compatibility
*/
r.AttachHandler(http.MethodGet, "/auth/edit", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, userPanelPath) })
r.AttachHandler(http.MethodGet, "/user", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, userPanelPath) })
r.AttachHandler(http.MethodGet, "/admin", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, adminPanelPath) })
}
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