Append semicolon at end of SQL

This reverts commit 64f0333497.

migrations/postgres/2021-09-08-131154_instances_add_keys/down.sql

@@ -0,0 +1,2 @@
+ALTER TABLE instances DROP COLUMN private_key;
+ALTER TABLE instances DROP COLUMN public_key;

migrations/postgres/2021-09-08-131154_instances_add_keys/up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE instances ADD COLUMN private_key TEXT;
+ALTER TABLE instances ADD COLUMN public_key TEXT;

migrations/sqlite/2021-09-08-131154_instances_add_keys/down.sql

@@ -0,0 +1,30 @@
+CREATE TABLE instances_old (
+    id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    public_domain VARCHAR NOT NULL,
+    name VARCHAR NOT NULL,
+    local BOOLEAN NOT NULL DEFAULT 'f',
+    blocked BOOLEAN NOT NULL DEFAULT 'f',
+    creation_date DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    open_registrations BOOLEAN NOT NULL DEFAULT 't',
+    short_description TEXT NOT NULL DEFAULT '',
+    long_description TEXT NOT NULL DEFAULT '',
+    default_license TEXT NOT NULL DEFAULT 'CC-0',
+    long_description_html VARCHAR NOT NULL DEFAULT '',
+    short_description_html VARCHAR NOT NULL DEFAULT ''
+);
+INSERT INTO instances_old SELECT
+    id,
+    public_domain,
+    name,
+    local,
+    blocked,
+    creation_date,
+    open_registrations,
+    short_description,
+    long_description,
+    default_license,
+    long_description_html,
+    short_description_html
+FROM instances;
+DROP TABLE instances;
+ALTER TABLE instances_old RENAME TO instances;

migrations/sqlite/2021-09-08-131154_instances_add_keys/up.sql

@@ -0,0 +1,2 @@
+ALTER TABLE instances ADD COLUMN private_key TEXT;
+ALTER TABLE instances ADD COLUMN public_key TEXT;

plume-cli/src/instance.rs

@@ -1,6 +1,6 @@
 use clap::{App, Arg, ArgMatches, SubCommand};
 
-use plume_models::{instance::*, safe_string::SafeString, Connection};
+use plume_models::{instance::NewInstance, Connection};
 use std::env;
 
 pub fn command<'a, 'b>() -> App<'a, 'b> {
@@ -53,19 +53,5 @@ fn new<'a>(args: &ArgMatches<'a>, conn: &Connection) {
         .unwrap_or_else(|| String::from("CC-BY-SA"));
     let open_reg = !args.is_present("private");
 
-    Instance::insert(
-        conn,
-        NewInstance {
-            public_domain: domain,
-            name,
-            local: true,
-            long_description: SafeString::new(""),
-            short_description: SafeString::new(""),
-            default_license: license,
-            open_registrations: open_reg,
-            short_description_html: String::new(),
-            long_description_html: String::new(),
-        },
-    )
-    .expect("Couldn't save instance");
+    NewInstance::new_local(conn, domain, name, open_reg, license).expect("Couldn't save instance");
 }

plume-common/src/activity_pub/inbox.rs

@@ -1,6 +1,11 @@
-use reqwest::header::{HeaderValue, ACCEPT};
 use std::fmt::Debug;
 
+use super::{request, sign::Signer};
+use reqwest::{
+    header::{HeaderValue, HOST},
+    Url,
+};
+
 /// Represents an ActivityPub inbox.
 ///
 /// It routes an incoming Activity through the registered handlers.
@@ -10,7 +15,8 @@ use std::fmt::Debug;
 /// ```rust
 /// # extern crate activitypub;
 /// # use activitypub::{actor::Person, activity::{Announce, Create}, object::Note};
-/// # use plume_common::activity_pub::inbox::*;
+/// # use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
+/// # use plume_common::activity_pub::{inbox::*, sign::{gen_keypair, Error as SignatureError, Result as SignatureResult, Signer}};
 /// # struct User;
 /// # impl FromId<()> for User {
 /// #     type Error = ();
@@ -59,6 +65,42 @@ use std::fmt::Debug;
 /// #         Ok(())
 /// #     }
 /// # }
+/// # struct MySigner {
+/// #     public_key: String,
+/// #     private_key: String,
+/// # }
+/// #
+/// # impl MySigner {
+/// #     fn new() -> Self {
+/// #         let (pub_key, priv_key) = gen_keypair();
+/// #         Self {
+/// #             public_key: String::from_utf8(pub_key).unwrap(),
+/// #             private_key: String::from_utf8(priv_key).unwrap(),
+/// #         }
+/// #     }
+/// # }
+/// #
+/// # impl Signer for MySigner {
+/// #     fn get_key_id(&self) -> String {
+/// #         "mysigner".into()
+/// #     }
+/// #
+/// #     fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
+/// #         let key = PKey::from_rsa(Rsa::private_key_from_pem(self.private_key.as_ref()).unwrap())
+/// #             .unwrap();
+/// #         let mut signer = openssl::sign::Signer::new(MessageDigest::sha256(), &key).unwrap();
+/// #         signer.update(to_sign.as_bytes()).unwrap();
+/// #         signer.sign_to_vec().map_err(|_| SignatureError())
+/// #     }
+/// #
+/// #     fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
+/// #         let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref()).unwrap())
+/// #             .unwrap();
+/// #         let mut verifier = openssl::sign::Verifier::new(MessageDigest::sha256(), &key).unwrap();
+/// #         verifier.update(data.as_bytes()).unwrap();
+/// #         verifier.verify(&signature).map_err(|_| SignatureError())
+/// #     }
+/// # }
 /// #
 /// # let mut act = Create::default();
 /// # act.object_props.set_id_string(String::from("https://test.ap/activity")).unwrap();
@@ -69,8 +111,9 @@ use std::fmt::Debug;
 /// # let activity_json = serde_json::to_value(act).unwrap();
 /// #
 /// # let conn = ();
+/// # let sender = MySigner::new();
 /// #
-/// let result: Result<(), ()> = Inbox::handle(&conn, activity_json)
+/// let result: Result<(), ()> = Inbox::handle(&conn, &sender, activity_json)
 ///    .with::<User, Announce, Message>(None)
 ///    .with::<User, Create,   Message>(None)
 ///    .done();
@@ -84,9 +127,10 @@ where
     /// # Structure
     ///
     /// - the context to be passed to each handler.
+    /// - the sender actor to sign request
     /// - the activity
     /// - the reason it has not been handled yet
-    NotHandled(&'a C, serde_json::Value, InboxError<E>),
+    NotHandled(&'a C, &'a dyn Signer, serde_json::Value, InboxError<E>),
 
     /// A matching handler have been found but failed
     ///
@@ -139,8 +183,12 @@ where
     ///
     /// - `ctx`: the context to pass to each handler
     /// - `json`: the JSON representation of the incoming activity
-    pub fn handle(ctx: &'a C, json: serde_json::Value) -> Inbox<'a, C, E, R> {
-        Inbox::NotHandled(ctx, json, InboxError::NoMatch)
+    pub fn handle(
+        ctx: &'a C,
+        sender: &'a dyn Signer,
+        json: serde_json::Value,
+    ) -> Inbox<'a, C, E, R> {
+        Inbox::NotHandled(ctx, sender, json, InboxError::NoMatch)
     }
 
     /// Registers an handler on this Inbox.
@@ -151,27 +199,30 @@ where
         M: AsObject<A, V, &'a C, Error = E> + FromId<C, Error = E>,
         M::Output: Into<R>,
     {
-        if let Inbox::NotHandled(ctx, mut act, e) = self {
+        if let Inbox::NotHandled(ctx, sender, mut act, e) = self {
             if serde_json::from_value::<V>(act.clone()).is_ok() {
                 let act_clone = act.clone();
                 let act_id = match act_clone["id"].as_str() {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidID),
+                    None => return Inbox::NotHandled(ctx, sender, act, InboxError::InvalidID),
                 };
 
                 // Get the actor ID
                 let actor_id = match get_id(act["actor"].clone()) {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidActor(None)),
+                    None => {
+                        return Inbox::NotHandled(ctx, sender, act, InboxError::InvalidActor(None))
+                    }
                 };
 
                 if Self::is_spoofed_activity(&actor_id, &act) {
-                    return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(None));
+                    return Inbox::NotHandled(ctx, sender, act, InboxError::InvalidObject(None));
                 }
 
                 // Transform this actor to a model (see FromId for details about the from_id function)
                 let actor = match A::from_id(
                     ctx,
+                    sender,
                     &actor_id,
                     serde_json::from_value(act["actor"].clone()).ok(),
                     proxy,
@@ -182,17 +233,25 @@ where
                         if let Some(json) = json {
                             act["actor"] = json;
                         }
-                        return Inbox::NotHandled(ctx, act, InboxError::InvalidActor(Some(e)));
+                        return Inbox::NotHandled(
+                            ctx,
+                            sender,
+                            act,
+                            InboxError::InvalidActor(Some(e)),
+                        );
                     }
                 };
 
                 // Same logic for "object"
                 let obj_id = match get_id(act["object"].clone()) {
                     Some(x) => x,
-                    None => return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(None)),
+                    None => {
+                        return Inbox::NotHandled(ctx, sender, act, InboxError::InvalidObject(None))
+                    }
                 };
                 let obj = match M::from_id(
                     ctx,
+                    sender,
                     &obj_id,
                     serde_json::from_value(act["object"].clone()).ok(),
                     proxy,
@@ -202,7 +261,12 @@ where
                         if let Some(json) = json {
                             act["object"] = json;
                         }
-                        return Inbox::NotHandled(ctx, act, InboxError::InvalidObject(Some(e)));
+                        return Inbox::NotHandled(
+                            ctx,
+                            sender,
+                            act,
+                            InboxError::InvalidObject(Some(e)),
+                        );
                     }
                 };
 
@@ -214,7 +278,7 @@ where
             } else {
                 // If the Activity type is not matching the expected one for
                 // this handler, try with the next one.
-                Inbox::NotHandled(ctx, act, e)
+                Inbox::NotHandled(ctx, sender, act, e)
             }
         } else {
             self
@@ -225,7 +289,7 @@ where
     pub fn done(self) -> Result<R, E> {
         match self {
             Inbox::Handled(res) => Ok(res),
-            Inbox::NotHandled(_, _, err) => Err(E::from(err)),
+            Inbox::NotHandled(_, _, _, err) => Err(E::from(err)),
             Inbox::Failed(err) => Err(err),
         }
     }
@@ -292,6 +356,7 @@ pub trait FromId<C>: Sized {
     ///   If absent, the ID will be dereferenced.
     fn from_id(
         ctx: &C,
+        sender: &dyn Signer,
         id: &str,
         object: Option<Self::Object>,
         proxy: Option<&reqwest::Proxy>,
@@ -300,7 +365,7 @@ pub trait FromId<C>: Sized {
             Ok(x) => Ok(x),
             _ => match object {
                 Some(o) => Self::from_activity(ctx, o).map_err(|e| (None, e)),
-                None => Self::from_activity(ctx, Self::deref(id, proxy.cloned())?)
+                None => Self::from_activity(ctx, Self::deref(id, sender, proxy.cloned())?)
                     .map_err(|e| (None, e)),
             },
         }
@@ -309,8 +374,17 @@ pub trait FromId<C>: Sized {
     /// Dereferences an ID
     fn deref(
         id: &str,
+        sender: &dyn Signer,
         proxy: Option<reqwest::Proxy>,
     ) -> Result<Self::Object, (Option<serde_json::Value>, Self::Error)> {
+        let mut headers = request::headers();
+        let url = Url::parse(&id).map_err(|_| (None, InboxError::InvalidID.into()))?;
+        if !url.has_host() {
+            return Err((None, InboxError::InvalidID.into()));
+        }
+        let host_header_value = HeaderValue::from_str(&url.host_str().expect("Unreachable"))
+            .map_err(|_| (None, InboxError::DerefError.into()))?;
+        headers.insert(HOST, host_header_value);
         if let Some(proxy) = proxy {
             reqwest::ClientBuilder::new().proxy(proxy)
         } else {
@@ -320,14 +394,10 @@ pub trait FromId<C>: Sized {
         .build()
         .map_err(|_| (None, InboxError::DerefError.into()))?
         .get(id)
+        .headers(headers.clone())
         .header(
-            ACCEPT,
-            HeaderValue::from_str(
-                &super::ap_accept_header()
-                    .into_iter()
-                    .collect::<Vec<_>>()
-                    .join(", "),
-            )
+            "Signature",
+            request::signature(sender, &headers, ("get", url.path(), url.query()))
                 .map_err(|_| (None, InboxError::DerefError.into()))?,
         )
         .send()
@@ -458,8 +528,10 @@ where
 
 #[cfg(test)]
 mod tests {
+    use super::super::sign::{gen_keypair, Error as SignatureError, Result as SignatureResult};
     use super::*;
     use activitypub::{activity::*, actor::Person, object::Note};
+    use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
 
     struct MyActor;
     impl FromId<()> for MyActor {
@@ -557,10 +629,47 @@ mod tests {
         act
     }
 
+    struct MySigner {
+        public_key: String,
+        private_key: String,
+    }
+
+    impl MySigner {
+        fn new() -> Self {
+            let (pub_key, priv_key) = gen_keypair();
+            Self {
+                public_key: String::from_utf8(pub_key).unwrap(),
+                private_key: String::from_utf8(priv_key).unwrap(),
+            }
+        }
+    }
+
+    impl Signer for MySigner {
+        fn get_key_id(&self) -> String {
+            "mysigner".into()
+        }
+
+        fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
+            let key = PKey::from_rsa(Rsa::private_key_from_pem(self.private_key.as_ref()).unwrap())
+                .unwrap();
+            let mut signer = openssl::sign::Signer::new(MessageDigest::sha256(), &key).unwrap();
+            signer.update(to_sign.as_bytes()).unwrap();
+            signer.sign_to_vec().map_err(|_| SignatureError())
+        }
+
+        fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
+            let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref()).unwrap())
+                .unwrap();
+            let mut verifier = openssl::sign::Verifier::new(MessageDigest::sha256(), &key).unwrap();
+            verifier.update(data.as_bytes()).unwrap();
+            verifier.verify(&signature).map_err(|_| SignatureError())
+        }
+    }
+
     #[test]
     fn test_inbox_basic() {
         let act = serde_json::to_value(build_create()).unwrap();
-        let res: Result<(), ()> = Inbox::handle(&(), act)
+        let res: Result<(), ()> = Inbox::handle(&(), &MySigner::new(), act)
             .with::<MyActor, Create, MyObject>(None)
             .done();
         assert!(res.is_ok());
@@ -569,7 +678,7 @@ mod tests {
     #[test]
     fn test_inbox_multi_handlers() {
         let act = serde_json::to_value(build_create()).unwrap();
-        let res: Result<(), ()> = Inbox::handle(&(), act)
+        let res: Result<(), ()> = Inbox::handle(&(), &MySigner::new(), act)
             .with::<MyActor, Announce, MyObject>(None)
             .with::<MyActor, Delete, MyObject>(None)
             .with::<MyActor, Create, MyObject>(None)
@@ -582,7 +691,7 @@ mod tests {
     fn test_inbox_failure() {
         let act = serde_json::to_value(build_create()).unwrap();
         // Create is not handled by this inbox
-        let res: Result<(), ()> = Inbox::handle(&(), act)
+        let res: Result<(), ()> = Inbox::handle(&(), &MySigner::new(), act)
             .with::<MyActor, Announce, MyObject>(None)
             .with::<MyActor, Like, MyObject>(None)
             .done();
@@ -631,12 +740,12 @@ mod tests {
     fn test_inbox_actor_failure() {
         let act = serde_json::to_value(build_create()).unwrap();
 
-        let res: Result<(), ()> = Inbox::handle(&(), act.clone())
+        let res: Result<(), ()> = Inbox::handle(&(), &MySigner::new(), act.clone())
             .with::<FailingActor, Create, MyObject>(None)
             .done();
         assert!(res.is_err());
 
-        let res: Result<(), ()> = Inbox::handle(&(), act.clone())
+        let res: Result<(), ()> = Inbox::handle(&(), &MySigner::new(), act.clone())
             .with::<FailingActor, Create, MyObject>(None)
             .with::<MyActor, Create, MyObject>(None)
             .done();

plume-common/src/activity_pub/request.rs

@@ -118,8 +118,8 @@ type Path<'a> = &'a str;
 type Query<'a> = &'a str;
 type RequestTarget<'a> = (Method<'a>, Path<'a>, Option<Query<'a>>);
 
-pub fn signature<S: Signer>(
-    signer: &S,
+pub fn signature(
+    signer: &dyn Signer,
     headers: &HeaderMap,
     request_target: RequestTarget,
 ) -> Result<HeaderValue, Error> {
@@ -166,8 +166,10 @@ pub fn signature<S: Signer>(
 
 #[cfg(test)]
 mod tests {
-    use super::{signature, Error};
-    use crate::activity_pub::sign::{gen_keypair, Signer};
+    use super::signature;
+    use crate::activity_pub::sign::{
+        gen_keypair, Error as SignatureError, Result as SignatureResult, Signer,
+    };
     use openssl::{hash::MessageDigest, pkey::PKey, rsa::Rsa};
     use reqwest::header::HeaderMap;
 
@@ -187,26 +189,24 @@ mod tests {
     }
 
     impl Signer for MySigner {
-        type Error = Error;
-
         fn get_key_id(&self) -> String {
             "mysigner".into()
         }
 
-        fn sign(&self, to_sign: &str) -> Result<Vec<u8>, Self::Error> {
+        fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
             let key = PKey::from_rsa(Rsa::private_key_from_pem(self.private_key.as_ref()).unwrap())
                 .unwrap();
             let mut signer = openssl::sign::Signer::new(MessageDigest::sha256(), &key).unwrap();
             signer.update(to_sign.as_bytes()).unwrap();
-            signer.sign_to_vec().map_err(|_| Error())
+            signer.sign_to_vec().map_err(|_| SignatureError())
         }
 
-        fn verify(&self, data: &str, signature: &[u8]) -> Result<bool, Self::Error> {
+        fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
             let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref()).unwrap())
                 .unwrap();
             let mut verifier = openssl::sign::Verifier::new(MessageDigest::sha256(), &key).unwrap();
             verifier.update(data.as_bytes()).unwrap();
-            verifier.verify(&signature).map_err(|_| Error())
+            verifier.verify(&signature).map_err(|_| SignatureError())
         }
     }
 

plume-common/src/activity_pub/sign.rs

@@ -19,20 +19,25 @@ pub fn gen_keypair() -> (Vec<u8>, Vec<u8>) {
 
 #[derive(Debug)]
 pub struct Error();
+pub type Result<T> = std::result::Result<T, Error>;
+
+impl From<openssl::error::ErrorStack> for Error {
+    fn from(_: openssl::error::ErrorStack) -> Self {
+        Self()
+    }
+}
 
 pub trait Signer {
-    type Error;
-
     fn get_key_id(&self) -> String;
 
     /// Sign some data with the signer keypair
-    fn sign(&self, to_sign: &str) -> Result<Vec<u8>, Self::Error>;
+    fn sign(&self, to_sign: &str) -> Result<Vec<u8>>;
     /// Verify if the signature is valid
-    fn verify(&self, data: &str, signature: &[u8]) -> Result<bool, Self::Error>;
+    fn verify(&self, data: &str, signature: &[u8]) -> Result<bool>;
 }
 
 pub trait Signable {
-    fn sign<T>(&mut self, creator: &T) -> Result<&mut Self, Error>
+    fn sign<T>(&mut self, creator: &T) -> Result<&mut Self>
     where
         T: Signer;
     fn verify<T>(self, creator: &T) -> bool
@@ -46,7 +51,7 @@ pub trait Signable {
 }
 
 impl Signable for serde_json::Value {
-    fn sign<T: Signer>(&mut self, creator: &T) -> Result<&mut serde_json::Value, Error> {
+    fn sign<T: Signer>(&mut self, creator: &T) -> Result<&mut serde_json::Value> {
         let creation_date = Utc::now().to_rfc3339();
         let mut options = json!({
             "type": "RsaSignature2017",

plume-models/src/blogs.rs

@@ -18,7 +18,8 @@ use openssl::{
 };
 use plume_common::activity_pub::{
     inbox::{AsActor, FromId},
-    sign, ActivityStream, ApSignature, Id, IntoId, PublicKey, Source,
+    sign::{self, Error as SignatureError, Result as SignatureResult},
+    ActivityStream, ApSignature, Id, IntoId, PublicKey, Source,
 };
 use url::Url;
 use webfinger::*;
@@ -149,7 +150,16 @@ impl Blog {
             .into_iter()
             .find(|l| l.mime_type == Some(String::from("application/activity+json")))
             .ok_or(Error::Webfinger)
-            .and_then(|l| Blog::from_id(conn, &l.href?, None, CONFIG.proxy()).map_err(|(_, e)| e))
+            .and_then(|l| {
+                Blog::from_id(
+                    conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
+                    &l.href?,
+                    None,
+                    CONFIG.proxy(),
+                )
+                .map_err(|(_, e)| e)
+            })
     }
 
     pub fn to_activity(&self, conn: &Connection) -> Result<CustomGroup> {
@@ -359,6 +369,8 @@ impl FromId<DbConn> for Blog {
                     open_registrations: true,
                     short_description_html: String::new(),
                     long_description_html: String::new(),
+                    private_key: None,
+                    public_key: None,
                 },
             )
         })?;
@@ -372,7 +384,14 @@ impl FromId<DbConn> for Blog {
                 Media::save_remote(
                     conn,
                     icon.object_props.url_string().ok()?,
-                    &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
+                    &User::from_id(
+                        conn,
+                        &Instance::get_local().expect("Failed to get local instance"),
+                        &owner,
+                        None,
+                        CONFIG.proxy(),
+                    )
+                    .ok()?,
                 )
                 .ok()
             })
@@ -388,7 +407,14 @@ impl FromId<DbConn> for Blog {
                 Media::save_remote(
                     conn,
                     banner.object_props.url_string().ok()?,
-                    &User::from_id(conn, &owner, None, CONFIG.proxy()).ok()?,
+                    &User::from_id(
+                        conn,
+                        &Instance::get_local().expect("Failed to get local instance"),
+                        &owner,
+                        None,
+                        CONFIG.proxy(),
+                    )
+                    .ok()?,
                 )
                 .ok()
             })
@@ -451,24 +477,22 @@ impl AsActor<&PlumeRocket> for Blog {
 }
 
 impl sign::Signer for Blog {
-    type Error = Error;
-
     fn get_key_id(&self) -> String {
         format!("{}#main-key", self.ap_url)
     }
 
-    fn sign(&self, to_sign: &str) -> Result<Vec<u8>> {
+    fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
         let key = self.get_keypair()?;
         let mut signer = Signer::new(MessageDigest::sha256(), &key)?;
         signer.update(to_sign.as_bytes())?;
-        signer.sign_to_vec().map_err(Error::from)
+        signer.sign_to_vec().map_err(SignatureError::from)
     }
 
-    fn verify(&self, data: &str, signature: &[u8]) -> Result<bool> {
+    fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
         let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref())?)?;
         let mut verifier = Verifier::new(MessageDigest::sha256(), &key)?;
         verifier.update(data.as_bytes())?;
-        verifier.verify(&signature).map_err(Error::from)
+        verifier.verify(&signature).map_err(SignatureError::from)
     }
 }
 

plume-models/src/comments.rs

@@ -236,6 +236,7 @@ impl FromId<DbConn> for Comment {
                     })?,
                     author_id: User::from_id(
                         conn,
+                        &Instance::get_local().expect("Failed to get local instance"),
                         &note.object_props.attributed_to_link::<Id>()?,
                         None,
                         CONFIG.proxy(),
@@ -294,7 +295,13 @@ impl FromId<DbConn> for Comment {
                 .collect::<HashSet<_>>() // remove duplicates (don't do a query more than once)
                 .into_iter()
                 .map(|v| {
-                    if let Ok(user) = User::from_id(conn, &v, None, CONFIG.proxy()) {
+                    if let Ok(user) = User::from_id(
+                        conn,
+                        &Instance::get_local().expect("Failed to get local instance"),
+                        &v,
+                        None,
+                        CONFIG.proxy(),
+                    ) {
                         vec![user]
                     } else {
                         vec![] // TODO try to fetch collection

plume-models/src/follows.rs

@@ -1,6 +1,6 @@
 use crate::{
-    ap_url, db_conn::DbConn, notifications::*, schema::follows, users::User, Connection, Error,
-    Result, CONFIG,
+    ap_url, db_conn::DbConn, instance::Instance, notifications::*, schema::follows, users::User,
+    Connection, Error, Result, CONFIG,
 };
 use activitypub::activity::{Accept, Follow as FollowAct, Undo};
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl, SaveChangesDsl};
@@ -168,6 +168,7 @@ impl FromId<DbConn> for Follow {
     fn from_activity(conn: &DbConn, follow: FollowAct) -> Result<Self> {
         let actor = User::from_id(
             conn,
+            &Instance::get_local().expect("Failed to get local instance"),
             &follow.follow_props.actor_link::<Id>()?,
             None,
             CONFIG.proxy(),
@@ -176,6 +177,7 @@ impl FromId<DbConn> for Follow {
 
         let target = User::from_id(
             conn,
+            &Instance::get_local().expect("Failed to get local instance"),
             &follow.follow_props.object_link::<Id>()?,
             None,
             CONFIG.proxy(),

plume-models/src/inbox.rs

@@ -3,7 +3,9 @@ use activitypub::activity::*;
 use crate::{
     comments::Comment,
     db_conn::DbConn,
-    follows, likes,
+    follows,
+    instance::Instance,
+    likes,
     posts::{Post, PostUpdate},
     reshares::Reshare,
     users::User,
@@ -47,7 +49,11 @@ impl_into_inbox_result! {
 }
 
 pub fn inbox(conn: &DbConn, act: serde_json::Value) -> Result<InboxResult, Error> {
-    Inbox::handle(conn, act)
+    Inbox::handle(
+        conn,
+        &Instance::get_local().expect("Failed to get local instance"),
+        act,
+    )
     .with::<User, Announce, Post>(CONFIG.proxy())
     .with::<User, Create, Comment>(CONFIG.proxy())
     .with::<User, Create, Post>(CONFIG.proxy())

plume-models/src/instance.rs

@@ -6,10 +6,26 @@ use crate::{
     users::{Role, User},
     Connection, Error, Result,
 };
+use activitypub::{actor::Service, CustomObject};
 use chrono::NaiveDateTime;
 use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
-use plume_common::utils::md_to_html;
+use openssl::{
+    hash::MessageDigest,
+    pkey::{PKey, Private},
+    rsa::Rsa,
+    sign,
+};
+use plume_common::{
+    activity_pub::{
+        sign::{gen_keypair, Error as SignatureError, Result as SignatureResult, Signer},
+        ApSignature, PublicKey,
+    },
+    utils::md_to_html,
+};
 use std::sync::RwLock;
+use tracing::warn;
+
+pub type CustomService = CustomObject<ApSignature, Service>;
 
 #[derive(Clone, Identifiable, Queryable)]
 pub struct Instance {
@@ -25,6 +41,8 @@ pub struct Instance {
     pub default_license: String,
     pub long_description_html: SafeString,
     pub short_description_html: SafeString,
+    pub private_key: Option<String>,
+    pub public_key: Option<String>,
 }
 
 #[derive(Clone, Insertable)]
@@ -39,6 +57,8 @@ pub struct NewInstance {
     pub default_license: String,
     pub long_description_html: String,
     pub short_description_html: String,
+    pub private_key: Option<String>,
+    pub public_key: Option<String>,
 }
 
 lazy_static! {
@@ -69,6 +89,13 @@ impl Instance {
         *LOCAL_INSTANCE.write().unwrap() = Instance::get_local_uncached(conn).ok();
     }
 
+    pub fn get_locals(conn: &Connection) -> Result<Vec<Instance>> {
+        instances::table
+            .filter(instances::local.eq(true))
+            .load::<Instance>(conn)
+            .map_err(Error::from)
+    }
+
     pub fn get_remotes(conn: &Connection) -> Result<Vec<Instance>> {
         instances::table
             .filter(instances::local.eq(false))
@@ -238,6 +265,112 @@ impl Instance {
             })
             .map_err(Error::from)
     }
+
+    pub fn set_keypair(&self, conn: &Connection) -> Result<()> {
+        let (pub_key, priv_key) = gen_keypair();
+        let private_key = String::from_utf8(priv_key).or(Err(Error::Signature))?;
+        let public_key = String::from_utf8(pub_key).or(Err(Error::Signature))?;
+        diesel::update(self)
+            .set((
+                instances::private_key.eq(Some(private_key)),
+                instances::public_key.eq(Some(public_key)),
+            ))
+            .execute(conn)
+            .and(Ok(()))
+            .map_err(Error::from)
+    }
+
+    pub fn get_keypair(&self) -> Result<PKey<Private>> {
+        PKey::from_rsa(Rsa::private_key_from_pem(
+            self.private_key.clone()?.as_ref(),
+        )?)
+        .map_err(Error::from)
+    }
+
+    /// This is experimental and might change in the future.
+    /// Currently "!" sign is used but it's not decided.
+    pub fn ap_url(&self) -> String {
+        ap_url(&format!(
+            "{}/!/{}",
+            Self::get_local().unwrap().public_domain,
+            self.public_domain
+        ))
+    }
+
+    pub fn to_activity(&self) -> Result<CustomService> {
+        let mut actor = Service::default();
+        let id = self.ap_url();
+        actor.object_props.set_id_string(id.clone())?;
+        actor.object_props.set_name_string(self.name.clone())?;
+
+        let mut ap_signature = ApSignature::default();
+        if self.local {
+            if let Some(pub_key) = self.public_key.clone() {
+                let mut public_key = PublicKey::default();
+                public_key.set_id_string(format!("{}#main-key", id))?;
+                public_key.set_owner_string(id)?;
+                public_key.set_public_key_pem_string(pub_key)?;
+                ap_signature.set_public_key_publickey(public_key)?;
+            }
+        };
+
+        Ok(CustomService::new(actor, ap_signature))
+    }
+}
+
+impl NewInstance {
+    pub fn new_local(
+        conn: &Connection,
+        public_domain: String,
+        name: String,
+        open_registrations: bool,
+        default_license: String,
+    ) -> Result<Instance> {
+        let (pub_key, priv_key) = gen_keypair();
+
+        Instance::insert(
+            conn,
+            NewInstance {
+                public_domain,
+                name,
+                local: true,
+                open_registrations,
+                short_description: SafeString::new(""),
+                long_description: SafeString::new(""),
+                default_license,
+                long_description_html: String::new(),
+                short_description_html: String::new(),
+                private_key: Some(String::from_utf8(priv_key).or(Err(Error::Signature))?),
+                public_key: Some(String::from_utf8(pub_key).or(Err(Error::Signature))?),
+            },
+        )
+    }
+}
+
+impl Signer for Instance {
+    fn get_key_id(&self) -> String {
+        format!("{}#main-key", self.ap_url())
+    }
+
+    fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
+        let key = self.get_keypair()?;
+        let mut signer = sign::Signer::new(MessageDigest::sha256(), &key)?;
+        signer.update(to_sign.as_bytes())?;
+        signer.sign_to_vec().map_err(SignatureError::from)
+    }
+
+    fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
+        if self.public_key.is_none() {
+            warn!("missing public key for {}", self.public_domain);
+            return Err(SignatureError());
+        }
+        let key = PKey::from_rsa(Rsa::public_key_from_pem(
+            self.public_key.clone().unwrap().as_ref(),
+        )?)?;
+        let mut verifier = sign::Verifier::new(MessageDigest::sha256(), &key)?;
+        verifier.update(data.as_bytes())?;
+        verifier.verify(&signature).map_err(SignatureError::from)
+    }
 }
 
 #[cfg(test)]
@@ -259,6 +392,8 @@ pub(crate) mod tests {
                 name: "My instance".to_string(),
                 open_registrations: true,
                 public_domain: "plu.me".to_string(),
+                private_key: None,
+                public_key: None,
             },
             NewInstance {
                 default_license: "WTFPL".to_string(),
@@ -270,6 +405,8 @@ pub(crate) mod tests {
                 name: "An instance".to_string(),
                 open_registrations: true,
                 public_domain: "1plu.me".to_string(),
+                private_key: None,
+                public_key: None,
             },
             NewInstance {
                 default_license: "CC-0".to_string(),
@@ -281,6 +418,8 @@ pub(crate) mod tests {
                 name: "Someone instance".to_string(),
                 open_registrations: false,
                 public_domain: "2plu.me".to_string(),
+                private_key: None,
+                public_key: None,
             },
             NewInstance {
                 default_license: "CC-0-BY-SA".to_string(),
@@ -292,6 +431,8 @@ pub(crate) mod tests {
                 name: "Nice day".to_string(),
                 open_registrations: true,
                 public_domain: "3plu.me".to_string(),
+                private_key: None,
+                public_key: None,
             },
         ]
         .into_iter()

plume-models/src/lib.rs

@@ -17,8 +17,10 @@ extern crate serde_json;
 #[macro_use]
 extern crate tantivy;
 
+use db_conn::DbPool;
+use instance::Instance;
 use once_cell::sync::Lazy;
-use plume_common::activity_pub::inbox::InboxError;
+use plume_common::activity_pub::{inbox::InboxError, sign};
 use posts::PostEvent;
 use riker::actors::{channel, ActorSystem, ChannelRef, SystemBuilder};
 use users::UserEvent;
@@ -80,6 +82,12 @@ impl From<openssl::error::ErrorStack> for Error {
     }
 }
 
+impl From<sign::Error> for Error {
+    fn from(_: sign::Error) -> Self {
+        Error::Signature
+    }
+}
+
 impl From<diesel::result::Error> for Error {
     fn from(err: diesel::result::Error) -> Self {
         Error::Db(err)
@@ -160,6 +168,12 @@ impl From<InboxError<Error>> for Error {
 
 pub type Result<T> = std::result::Result<T, Error>;
 
+impl From<Error> for sign::Error {
+    fn from(_: Error) -> Self {
+        Self()
+    }
+}
+
 /// Adds a function to a model, that returns the first
 /// matching row for a given list of fields.
 ///
@@ -295,6 +309,17 @@ pub fn ap_url(url: &str) -> String {
     format!("https://{}", url)
 }
 
+pub fn migrate_data(dbpool: &DbPool) -> Result<()> {
+    ensure_local_instance_keys(&dbpool.get().unwrap())
+}
+
+fn ensure_local_instance_keys(conn: &Connection) -> Result<()> {
+    for instance in Instance::get_locals(conn)? {
+        instance.set_keypair(conn)?;
+    }
+    Ok(())
+}
+
 #[cfg(test)]
 #[macro_use]
 mod tests {

plume-models/src/likes.rs

@@ -1,6 +1,6 @@
 use crate::{
-    db_conn::DbConn, notifications::*, posts::Post, schema::likes, timeline::*, users::User,
-    Connection, Error, Result, CONFIG,
+    db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::likes, timeline::*,
+    users::User, Connection, Error, Result, CONFIG,
 };
 use activitypub::activity;
 use chrono::NaiveDateTime;
@@ -117,6 +117,7 @@ impl FromId<DbConn> for Like {
             NewLike {
                 post_id: Post::from_id(
                     conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
                     &act.like_props.object_link::<Id>()?,
                     None,
                     CONFIG.proxy(),
@@ -125,6 +126,7 @@ impl FromId<DbConn> for Like {
                 .id,
                 user_id: User::from_id(
                     conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
                     &act.like_props.actor_link::<Id>()?,
                     None,
                     CONFIG.proxy(),

plume-models/src/medias.rs

@@ -272,6 +272,7 @@ impl Media {
                         content_warning: image.object_props.summary_string().ok(),
                         owner_id: User::from_id(
                             conn,
+                            &Instance::get_local().expect("Failed to get local instance"),
                             image
                                 .object_props
                                 .attributed_to_link_vec::<Id>()

plume-models/src/posts.rs

@@ -630,13 +630,28 @@ impl FromId<DbConn> for Post {
             .into_iter()
             .fold((None, vec![]), |(blog, mut authors), link| {
                 let url = link;
-                match User::from_id(conn, &url, None, CONFIG.proxy()) {
+                match User::from_id(
+                    conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
+                    &url,
+                    None,
+                    CONFIG.proxy(),
+                ) {
                     Ok(u) => {
                         authors.push(u);
                         (blog, authors)
                     }
                     Err(_) => (
-                        blog.or_else(|| Blog::from_id(conn, &url, None, CONFIG.proxy()).ok()),
+                        blog.or_else(|| {
+                            Blog::from_id(
+                                conn,
+                                &Instance::get_local().expect("Failed to get local instance"),
+                                &url,
+                                None,
+                                CONFIG.proxy(),
+                            )
+                            .ok()
+                        }),
                         authors,
                     ),
                 }
@@ -837,8 +852,14 @@ impl AsObject<User, Update, &DbConn> for PostUpdate {
     type Output = ();
 
     fn activity(self, conn: &DbConn, actor: User, _id: &str) -> Result<()> {
-        let mut post =
-            Post::from_id(conn, &self.ap_url, None, CONFIG.proxy()).map_err(|(_, e)| e)?;
+        let mut post = Post::from_id(
+            conn,
+            &Instance::get_local().expect("Failed to get local instance"),
+            &self.ap_url,
+            None,
+            CONFIG.proxy(),
+        )
+        .map_err(|(_, e)| e)?;
 
         if !post.is_author(conn, actor.id)? {
             // TODO: maybe the author was added in the meantime

plume-models/src/remote_fetch_actor.rs

@@ -1,6 +1,7 @@
 use crate::{
     db_conn::{DbConn, DbPool},
     follows,
+    instance::Instance,
     posts::{LicensedArticle, Post},
     users::{User, UserEvent},
     ACTOR_SYS, CONFIG, USER_CHAN,
@@ -89,7 +90,13 @@ fn fetch_and_cache_followers(user: &Arc<User>, conn: &DbConn) {
     match follower_ids {
         Ok(user_ids) => {
             for user_id in user_ids {
-                let follower = User::from_id(conn, &user_id, None, CONFIG.proxy());
+                let follower = User::from_id(
+                    conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
+                    &user_id,
+                    None,
+                    CONFIG.proxy(),
+                );
                 match follower {
                     Ok(follower) => {
                         let inserted = follows::Follow::insert(

plume-models/src/reshares.rs

@@ -1,6 +1,6 @@
 use crate::{
-    db_conn::DbConn, notifications::*, posts::Post, schema::reshares, timeline::*, users::User,
-    Connection, Error, Result, CONFIG,
+    db_conn::DbConn, instance::Instance, notifications::*, posts::Post, schema::reshares,
+    timeline::*, users::User, Connection, Error, Result, CONFIG,
 };
 use activitypub::activity::{Announce, Undo};
 use chrono::NaiveDateTime;
@@ -142,6 +142,7 @@ impl FromId<DbConn> for Reshare {
             NewReshare {
                 post_id: Post::from_id(
                     conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
                     &act.announce_props.object_link::<Id>()?,
                     None,
                     CONFIG.proxy(),
@@ -150,6 +151,7 @@ impl FromId<DbConn> for Reshare {
                 .id,
                 user_id: User::from_id(
                     conn,
+                    &Instance::get_local().expect("Failed to get local instance"),
                     &act.announce_props.actor_link::<Id>()?,
                     None,
                     CONFIG.proxy(),

plume-models/src/schema.rs

@@ -106,6 +106,8 @@ table! {
         default_license -> Text,
         long_description_html -> Varchar,
         short_description_html -> Varchar,
+        private_key -> Nullable<Text>,
+        public_key -> Nullable<Text>,
     }
 }
 

plume-models/src/search/actor.rs

@@ -164,6 +164,8 @@ mod tests {
                     name: random_hex().to_string(),
                     open_registrations: true,
                     public_domain: random_hex().to_string(),
+                    private_key: None,
+                    public_key: None,
                 },
             )
             .unwrap();

plume-models/src/users.rs

@@ -24,7 +24,7 @@ use plume_common::{
     activity_pub::{
         ap_accept_header,
         inbox::{AsActor, AsObject, FromId},
-        sign::{gen_keypair, Signer},
+        sign::{gen_keypair, Error as SignatureError, Result as SignatureResult, Signer},
         ActivityStream, ApSignature, Id, IntoId, PublicKey, PUBLIC_VISIBILITY,
     },
     utils,
@@ -210,7 +210,14 @@ impl User {
             .into_iter()
             .find(|l| l.mime_type == Some(String::from("application/activity+json")))
             .ok_or(Error::Webfinger)?;
-        User::from_id(conn, link.href.as_ref()?, None, CONFIG.proxy()).map_err(|(_, e)| e)
+        User::from_id(
+            conn,
+            &Instance::get_local().expect("Failed to get local instance"),
+            link.href.as_ref()?,
+            None,
+            CONFIG.proxy(),
+        )
+        .map_err(|(_, e)| e)
     }
 
     pub fn fetch_remote_interact_uri(acct: &str) -> Result<String> {
@@ -958,6 +965,8 @@ impl FromId<DbConn> for User {
                     open_registrations: true,
                     short_description_html: String::new(),
                     long_description_html: String::new(),
+                    private_key: None,
+                    public_key: None,
                 },
             )
         })?;
@@ -1063,24 +1072,22 @@ impl AsObject<User, Delete, &DbConn> for User {
 }
 
 impl Signer for User {
-    type Error = Error;
-
     fn get_key_id(&self) -> String {
         format!("{}#main-key", self.ap_url)
     }
 
-    fn sign(&self, to_sign: &str) -> Result<Vec<u8>> {
+    fn sign(&self, to_sign: &str) -> SignatureResult<Vec<u8>> {
         let key = self.get_keypair()?;
         let mut signer = sign::Signer::new(MessageDigest::sha256(), &key)?;
         signer.update(to_sign.as_bytes())?;
-        signer.sign_to_vec().map_err(Error::from)
+        signer.sign_to_vec().map_err(SignatureError::from)
     }
 
-    fn verify(&self, data: &str, signature: &[u8]) -> Result<bool> {
+    fn verify(&self, data: &str, signature: &[u8]) -> SignatureResult<bool> {
         let key = PKey::from_rsa(Rsa::public_key_from_pem(self.public_key.as_ref())?)?;
         let mut verifier = sign::Verifier::new(MessageDigest::sha256(), &key)?;
         verifier.update(data.as_bytes())?;
-        verifier.verify(&signature).map_err(Error::from)
+        verifier.verify(&signature).map_err(SignatureError::from)
     }
 }
 

po/plume/plume.pot

@@ -60,83 +60,83 @@ msgstr ""
 msgid "Optional"
 msgstr ""
 
-# src/routes/blogs.rs:63
+# src/routes/blogs.rs:67
 msgid "To create a new blog, you need to be logged in"
 msgstr ""
 
-# src/routes/blogs.rs:102
+# src/routes/blogs.rs:109
 msgid "A blog with the same name already exists."
 msgstr ""
 
-# src/routes/blogs.rs:140
+# src/routes/blogs.rs:147
 msgid "Your blog was successfully created!"
 msgstr ""
 
-# src/routes/blogs.rs:159
+# src/routes/blogs.rs:165
 msgid "Your blog was deleted."
 msgstr ""
 
-# src/routes/blogs.rs:167
+# src/routes/blogs.rs:173
 msgid "You are not allowed to delete this blog."
 msgstr ""
 
-# src/routes/blogs.rs:218
+# src/routes/blogs.rs:223
 msgid "You are not allowed to edit this blog."
 msgstr ""
 
-# src/routes/blogs.rs:274
+# src/routes/blogs.rs:279
 msgid "You can't use this media as a blog icon."
 msgstr ""
 
-# src/routes/blogs.rs:292
+# src/routes/blogs.rs:297
 msgid "You can't use this media as a blog banner."
 msgstr ""
 
-# src/routes/blogs.rs:326
+# src/routes/blogs.rs:331
 msgid "Your blog information have been updated."
 msgstr ""
 
-# src/routes/comments.rs:99
+# src/routes/comments.rs:100
 msgid "Your comment has been posted."
 msgstr ""
 
-# src/routes/comments.rs:178
+# src/routes/comments.rs:177
 msgid "Your comment has been deleted."
 msgstr ""
 
-# src/routes/instance.rs:118
+# src/routes/instance.rs:147
 msgid "Instance settings have been saved."
 msgstr ""
 
-# src/routes/instance.rs:150
+# src/routes/instance.rs:180
 msgid "{} has been unblocked."
 msgstr ""
 
-# src/routes/instance.rs:152
+# src/routes/instance.rs:182
 msgid "{} has been blocked."
 msgstr ""
 
-# src/routes/instance.rs:201
+# src/routes/instance.rs:233
 msgid "Blocks deleted"
 msgstr ""
 
-# src/routes/instance.rs:216
+# src/routes/instance.rs:249
 msgid "Email already blocked"
 msgstr ""
 
-# src/routes/instance.rs:221
+# src/routes/instance.rs:254
 msgid "Email Blocked"
 msgstr ""
 
-# src/routes/instance.rs:312
+# src/routes/instance.rs:347
 msgid "You can't change your own rights."
 msgstr ""
 
-# src/routes/instance.rs:323
+# src/routes/instance.rs:358
 msgid "You are not allowed to take this action."
 msgstr ""
 
-# src/routes/instance.rs:359
+# src/routes/instance.rs:393
 msgid "Done."
 msgstr ""
 
@@ -144,23 +144,23 @@ msgstr ""
 msgid "To like a post, you need to be logged in"
 msgstr ""
 
-# src/routes/medias.rs:145
+# src/routes/medias.rs:158
 msgid "Your media have been deleted."
 msgstr ""
 
-# src/routes/medias.rs:150
+# src/routes/medias.rs:163
 msgid "You are not allowed to delete this media."
 msgstr ""
 
-# src/routes/medias.rs:167
+# src/routes/medias.rs:180
 msgid "Your avatar has been updated."
 msgstr ""
 
-# src/routes/medias.rs:172
+# src/routes/medias.rs:185
 msgid "You are not allowed to use this media."
 msgstr ""
 
-# src/routes/notifications.rs:28
+# src/routes/notifications.rs:29
 msgid "To see your notifications, you need to be logged in"
 msgstr ""
 
@@ -168,51 +168,51 @@ msgstr ""
 msgid "This post isn't published yet."
 msgstr ""
 
-# src/routes/posts.rs:126
+# src/routes/posts.rs:125
 msgid "To write a new post, you need to be logged in"
 msgstr ""
 
-# src/routes/posts.rs:143
+# src/routes/posts.rs:146
 msgid "You are not an author of this blog."
 msgstr ""
 
-# src/routes/posts.rs:150
+# src/routes/posts.rs:153
 msgid "New post"
 msgstr ""
 
-# src/routes/posts.rs:195
+# src/routes/posts.rs:198
 msgid "Edit {0}"
 msgstr ""
 
-# src/routes/posts.rs:264
+# src/routes/posts.rs:267
 msgid "You are not allowed to publish on this blog."
 msgstr ""
 
-# src/routes/posts.rs:363
+# src/routes/posts.rs:367
 msgid "Your article has been updated."
 msgstr ""
 
-# src/routes/posts.rs:553
+# src/routes/posts.rs:556
 msgid "Your article has been saved."
 msgstr ""
 
-# src/routes/posts.rs:560
+# src/routes/posts.rs:563
 msgid "New article"
 msgstr ""
 
-# src/routes/posts.rs:597
+# src/routes/posts.rs:601
 msgid "You are not allowed to delete this article."
 msgstr ""
 
-# src/routes/posts.rs:622
+# src/routes/posts.rs:625
 msgid "Your article has been deleted."
 msgstr ""
 
-# src/routes/posts.rs:627
+# src/routes/posts.rs:630
 msgid "It looks like the article you tried to delete doesn't exist. Maybe it is already gone?"
 msgstr ""
 
-# src/routes/posts.rs:667
+# src/routes/posts.rs:672
 msgid "Couldn't obtain enough information about your account. Please make sure your username is correct."
 msgstr ""
 
@@ -220,63 +220,63 @@ msgstr ""
 msgid "To reshare a post, you need to be logged in"
 msgstr ""
 
-# src/routes/session.rs:88
+# src/routes/session.rs:95
 msgid "You are now connected."
 msgstr ""
 
-# src/routes/session.rs:109
+# src/routes/session.rs:116
 msgid "You are now logged off."
 msgstr ""
 
-# src/routes/session.rs:154
+# src/routes/session.rs:162
 msgid "Password reset"
 msgstr ""
 
-# src/routes/session.rs:155
+# src/routes/session.rs:163
 msgid "Here is the link to reset your password: {0}"
 msgstr ""
 
-# src/routes/session.rs:215
+# src/routes/session.rs:235
 msgid "Your password was successfully reset."
 msgstr ""
 
-# src/routes/user.rs:142
+# src/routes/user.rs:74
 msgid "To access your dashboard, you need to be logged in"
 msgstr ""
 
-# src/routes/user.rs:164
+# src/routes/user.rs:96
 msgid "You are no longer following {}."
 msgstr ""
 
-# src/routes/user.rs:181
+# src/routes/user.rs:113
 msgid "You are now following {}."
 msgstr ""
 
-# src/routes/user.rs:261
+# src/routes/user.rs:190
 msgid "To subscribe to someone, you need to be logged in"
 msgstr ""
 
-# src/routes/user.rs:365
+# src/routes/user.rs:299
 msgid "To edit your profile, you need to be logged in"
 msgstr ""
 
-# src/routes/user.rs:411
+# src/routes/user.rs:345
 msgid "Your profile has been updated."
 msgstr ""
 
-# src/routes/user.rs:438
+# src/routes/user.rs:373
 msgid "Your account has been deleted."
 msgstr ""
 
-# src/routes/user.rs:444
+# src/routes/user.rs:379
 msgid "You can't delete someone else's account."
 msgstr ""
 
-# src/routes/user.rs:528
+# src/routes/user.rs:463
 msgid "Registrations are closed on this instance."
 msgstr ""
 
-# src/routes/user.rs:551
+# src/routes/user.rs:486
 msgid "Your account has been created. Now you just need to log in, before you can use it."
 msgstr ""
 

src/inbox.rs

@@ -26,7 +26,13 @@ pub fn handle_incoming(
         .or_else(|| activity["actor"]["id"].as_str())
         .ok_or(status::BadRequest(Some("Missing actor id for activity")))?;
 
-    let actor = User::from_id(&conn, actor_id, None, CONFIG.proxy())
+    let actor = User::from_id(
+        &conn,
+        &Instance::get_local().expect("Failed to get local instance"),
+        actor_id,
+        None,
+        CONFIG.proxy(),
+    )
     .expect("instance::shared_inbox: user error");
     if !verify_http_headers(&actor, &headers.0, &sig).is_secure() && !act.clone().verify(&actor) {
         // maybe we just know an old key?

src/main.rs

@@ -15,6 +15,7 @@ use diesel::r2d2::ConnectionManager;
 use plume_models::{
     db_conn::{DbPool, PragmaForeignKey},
     instance::Instance,
+    migrate_data,
     migrations::IMPORTED_MIGRATIONS,
     remote_fetch_actor::RemoteFetchActor,
     search::{actor::SearchActor, Searcher as UnmanagedSearcher},
@@ -99,6 +100,7 @@ Then try to restart Plume.
 "#
         )
     }
+    migrate_data(&dbpool).expect("Failed to migrate data");
     let workpool = ScheduledThreadPool::with_name("worker {}", num_cpus::get());
     // we want a fast exit here, so
     let searcher = Arc::new(UnmanagedSearcher::open_or_recreate(
@@ -147,6 +149,7 @@ Then try to restart Plume.
                 routes::comments::delete,
                 routes::comments::activity_pub,
                 routes::instance::index,
+                routes::instance::activity_details,
                 routes::instance::admin,
                 routes::instance::admin_mod,
                 routes::instance::admin_instances,

src/routes/blogs.rs

@@ -438,6 +438,8 @@ mod tests {
                         name: random_hex().to_string(),
                         open_registrations: true,
                         public_domain: random_hex().to_string(),
+                        private_key: None,
+                        public_key: None,
                     },
                 )
                 .unwrap();

src/routes/instance.rs

@@ -11,7 +11,7 @@ use validator::{Validate, ValidationErrors};
 use crate::inbox;
 use crate::routes::{errors::ErrorPage, rocket_uri_macro_static_files, Page, RespondOrRedirect};
 use crate::template_utils::{IntoContext, Ructe};
-use plume_common::activity_pub::{broadcast, inbox::FromId};
+use plume_common::activity_pub::{broadcast, inbox::FromId, ActivityStream, ApRequest};
 use plume_models::{
     admin::*,
     blocklisted_emails::*,
@@ -49,6 +49,36 @@ pub fn index(conn: DbConn, rockets: PlumeRocket) -> Result<Ructe, ErrorPage> {
     )))
 }
 
+/// Experimental
+/// "!" might be change in the future
+///
+/// This exists for communication with Mastodon.
+/// Secure mode Mastodon requires HTTP signature for event GET requests.
+/// To sign requests, public key of request sender is required. We decided
+/// the sender is local instance.
+#[get("/!/<public_domain>")]
+pub fn activity_details(
+    public_domain: String,
+    conn: DbConn,
+    _ap: ApRequest,
+) -> Option<ActivityStream<CustomService>> {
+    if let Ok(instance) = Instance::find_by_domain(&conn, &public_domain) {
+        if !instance.local {
+            return None;
+        }
+        match instance.to_activity() {
+            Ok(activity) => Some(ActivityStream::new(activity)),
+            Err(plume_models::Error::NotFound) => None,
+            Err(err) => {
+                tracing::error!("{:?}", err);
+                panic!();
+            }
+        }
+    } else {
+        None
+    }
+}
+
 #[get("/admin")]
 pub fn admin(_admin: Admin, conn: DbConn, rockets: PlumeRocket) -> Result<Ructe, ErrorPage> {
     let local_inst = Instance::get_local()?;
@@ -404,7 +434,13 @@ pub fn interact(conn: DbConn, user: Option<User>, target: String) -> Option<Redi
         return Some(Redirect::to(uri!(super::user::details: name = target)));
     }
 
-    if let Ok(post) = Post::from_id(&conn, &target, None, CONFIG.proxy()) {
+    if let Ok(post) = Post::from_id(
+        &conn,
+        &Instance::get_local().expect("Failed to get local instance"),
+        &target,
+        None,
+        CONFIG.proxy(),
+    ) {
         return Some(Redirect::to(uri!(
             super::posts::details: blog = post.get_blog(&conn).expect("Can't retrieve blog").fqn,
             slug = &post.slug,
@@ -412,7 +448,13 @@ pub fn interact(conn: DbConn, user: Option<User>, target: String) -> Option<Redi
         )));
     }
 
-    if let Ok(comment) = Comment::from_id(&conn, &target, None, CONFIG.proxy()) {
+    if let Ok(comment) = Comment::from_id(
+        &conn,
+        &Instance::get_local().expect("Failed to get local instance"),
+        &target,
+        None,
+        CONFIG.proxy(),
+    ) {
         if comment.can_see(&conn, user.as_ref()) {
             let post = comment.get_post(&conn).expect("Can't retrieve post");
             return Some(Redirect::to(uri!(