115 lines
5.2 KiB
Go
115 lines
5.2 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package web
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import (
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"context"
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"net/http"
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"net/url"
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"path/filepath"
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"codeberg.org/gruf/go-cache/v3"
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"github.com/gin-gonic/gin"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/superseriousbusiness/gotosocial/internal/middleware"
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"github.com/superseriousbusiness/gotosocial/internal/processing"
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"github.com/superseriousbusiness/gotosocial/internal/router"
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"github.com/superseriousbusiness/gotosocial/internal/uris"
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)
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const (
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confirmEmailPath = "/" + uris.ConfirmEmailPath
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profileGroupPath = "/@:" + usernameKey
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statusPath = "/statuses/:" + statusIDKey // leave out the '/@:username' prefix as this will be served within the profile group
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customCSSPath = profileGroupPath + "/custom.css"
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rssFeedPath = profileGroupPath + "/feed.rss"
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assetsPathPrefix = "/assets"
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distPathPrefix = assetsPathPrefix + "/dist"
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settingsPathPrefix = "/settings"
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settingsPanelGlob = settingsPathPrefix + "/*panel"
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userPanelPath = settingsPathPrefix + "/user"
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adminPanelPath = settingsPathPrefix + "/admin"
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tokenParam = "token"
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usernameKey = "username"
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statusIDKey = "status"
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cacheControlHeader = "Cache-Control" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
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cacheControlNoCache = "no-cache" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control#response_directives
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ifModifiedSinceHeader = "If-Modified-Since" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-Modified-Since
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ifNoneMatchHeader = "If-None-Match" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/If-None-Match
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eTagHeader = "ETag" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag
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lastModifiedHeader = "Last-Modified" // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Last-Modified
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)
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type Module struct {
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processor processing.Processor
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eTagCache cache.Cache[string, eTagCacheEntry]
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isURIBlocked func(context.Context, *url.URL) (bool, db.Error)
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}
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func New(db db.DB, processor processing.Processor) *Module {
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return &Module{
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processor: processor,
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eTagCache: newETagCache(),
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isURIBlocked: db.IsURIBlocked,
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}
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}
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func (m *Module) Route(r router.Router, mi ...gin.HandlerFunc) {
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// Group all static files from assets dir at /assets,
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// so that they can use the same cache control middleware.
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webAssetsAbsFilePath, err := filepath.Abs(config.GetWebAssetBaseDir())
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if err != nil {
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log.Panicf(nil, "error getting absolute path of assets dir: %s", err)
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}
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fs := fileSystem{http.Dir(webAssetsAbsFilePath)}
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assetsGroup := r.AttachGroup(assetsPathPrefix)
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assetsGroup.Use(m.assetsCacheControlMiddleware(fs))
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assetsGroup.Use(mi...)
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assetsGroup.StaticFS("/", fs)
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// handlers that serve profiles and statuses should use the SignatureCheck
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// middleware, so that requests with content-type application/activity+json
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// can still be served
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profileGroup := r.AttachGroup(profileGroupPath)
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profileGroup.Use(mi...)
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profileGroup.Use(middleware.SignatureCheck(m.isURIBlocked), middleware.CacheControl("no-store"))
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profileGroup.Handle(http.MethodGet, "", m.profileGETHandler) // use empty path here since it's the base of the group
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profileGroup.Handle(http.MethodGet, statusPath, m.threadGETHandler)
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// Attach individual web handlers which require no specific middlewares
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r.AttachHandler(http.MethodGet, "/", m.baseHandler) // front-page
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r.AttachHandler(http.MethodGet, settingsPathPrefix, m.SettingsPanelHandler)
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r.AttachHandler(http.MethodGet, settingsPanelGlob, m.SettingsPanelHandler)
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r.AttachHandler(http.MethodGet, customCSSPath, m.customCSSGETHandler)
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r.AttachHandler(http.MethodGet, rssFeedPath, m.rssFeedGETHandler)
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r.AttachHandler(http.MethodGet, confirmEmailPath, m.confirmEmailGETHandler)
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r.AttachHandler(http.MethodGet, robotsPath, m.robotsGETHandler)
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r.AttachHandler(http.MethodGet, aboutPath, m.aboutGETHandler)
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r.AttachHandler(http.MethodGet, domainBlockListPath, m.domainBlockListGETHandler)
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// Attach redirects from old endpoints to current ones for backwards compatibility
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r.AttachHandler(http.MethodGet, "/auth/edit", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, userPanelPath) })
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r.AttachHandler(http.MethodGet, "/user", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, userPanelPath) })
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r.AttachHandler(http.MethodGet, "/admin", func(c *gin.Context) { c.Redirect(http.StatusMovedPermanently, adminPanelPath) })
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}
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