diff options
Diffstat (limited to 'internal/web/server.go')
| -rw-r--r-- | internal/web/server.go | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/internal/web/server.go b/internal/web/server.go index 6e76d3f..92cb758 100644 --- a/internal/web/server.go +++ b/internal/web/server.go @@ -74,6 +74,7 @@ func NewServer(cfg config.Config) http.Handler { mux.HandleFunc("GET /calendar.ics", func(w http.ResponseWriter, r *http.Request) { calendarICSHandler(s.get())(w, r) }) mux.HandleFunc("GET /reader", func(w http.ResponseWriter, r *http.Request) { readerHandler(s.get(), s.table())(w, r) }) mux.HandleFunc("GET /theme.css", func(w http.ResponseWriter, r *http.Request) { themeCSSHandler(s.get())(w, r) }) + mux.HandleFunc("GET /source", sourceHandler) mux.HandleFunc("GET /settings", settingsGet(s)) mux.HandleFunc("POST /settings", settingsPost(s)) mux.HandleFunc("POST /reader/bookmark", addBookmark(s)) @@ -691,6 +692,32 @@ func themeCSSHandler(cfg config.Config) http.HandlerFunc { } } +// sourceHandler serves the AGPL-3.0 §13 source offer: where to obtain the +// code this server is running. Every page footer links here, so a user +// interacting with lectio-web over a network is never more than one click +// from the corresponding source. +// +// Deliberately dependency-free (no template, no config read): it must answer +// even when config is broken or a template failed to parse, because a §13 +// offer that only works on healthy days is not an offer. Plain text keeps it +// readable by both a browser and curl. +func sourceHandler(w http.ResponseWriter, r *http.Request) { + w.Header().Set("Content-Type", "text/plain; charset=utf-8") + w.Header().Set("X-Content-Type-Options", "nosniff") + fmt.Fprintf(w, `lectio %s +Licence: %s (GNU Affero General Public License, version 3 or later) +Source: %s + +lectio is free software. You may use, study, share and modify it under the +terms of the AGPL. The full licence text ships with the source as LICENSE. + +Because this is the Affero GPL, section 13 applies to this server: if the +code running here has been MODIFIED, whoever operates it must offer you the +modified source. If this address does not lead to the version you are +talking to, that is the operator's obligation to fix, not lectio's. +`, config.Version, config.License, config.SourceURL) +} + // settingsData drives templates/settings.html. type settingsData struct { Cfg config.Config |