Federation (#327)

* initial commit federation

* more federation

* more federation

* more federation

* completes follow, accept, undo

* add trail create activity

* process trail create activity

* more trail create activity

* adds missing endpoints

* adds update and delete activity

* adds comment activities

* adds activities back

* adds summit logs activities

* deletes follow counts table

* fixes migrations

* fixes migrations

* fixes migrations

* fixes migrations

* adds remote profiles

* ctd

* ctd

* we are getting closer...

* adds public summit logs

* fixes federated trails in lists

* adds remote lists

* adds list activites

* fixes lists

* adds notifications

* adds iri redirect

* fixes comments and summitlogs

* fixes follows and profiles

* adds asynchronous send

* fixes list search

* adds encryption key

* bug fixes

* fixes activity signing

* removes custon activity object types

* adds html editor

* fixes html editor

* fixes display issues on mastodon

* adds federated sharing

* finishes announcements

* fixes small summit log issues

* adds trail likes

* finalizes likes

* fixes images for komoot

* add disable federation option

* adds private profiles

* updates docs

* adds federated comments

* adds trail and comments actvitiypub routes

* adds mentions to editor

* adds mentions to trails, comments, summit logs

* updates theme

* updates theme

* update docs

* update docs

* updates docs

* fixes various frontend problems

* fixes activitypub follows api

* updates docs

* updates docs

---------

Co-authored-by: Christian Beutel <>

db/go.mod

@@ -11,9 +11,15 @@ require (
 )
 
 require (
+	git.sr.ht/~mariusor/go-xsd-duration v0.0.0-20220703122237-02e73435a078 // indirect
+	github.com/aymerick/douceur v0.2.0 // indirect
+	github.com/go-ap/errors v0.0.0-20250409143711-5686c11ae650 // indirect
+	github.com/go-ap/jsonld v0.0.0-20221030091449-f2a191312c73 // indirect
 	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
+	github.com/gorilla/css v1.0.1 // indirect
 	github.com/twpayne/go-geom v1.6.1 // indirect
+	github.com/valyala/fastjson v1.6.4 // indirect
 	golang.org/x/exp v0.0.0-20250305212735-054e65f0b394 // indirect
 )
 
@@ -26,6 +32,8 @@ require (
 	github.com/fatih/color v1.18.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.8 // indirect
 	github.com/ganigeorgiev/fexpr v0.4.1 // indirect
+	github.com/go-ap/activitypub v0.0.0-20250409143848-7113328b1f3d
+	github.com/go-fed/httpsig v1.1.0
 	github.com/go-ozzo/ozzo-validation/v4 v4.3.0 // indirect
 	github.com/golang-jwt/jwt/v4 v4.5.1 // indirect
 	github.com/google/uuid v1.6.0 // indirect
@@ -34,6 +42,7 @@ require (
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/microcosm-cc/bluemonday v1.0.27
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/spf13/cast v1.7.1