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-rw-r--r--src/database/file/mod.rs32
-rw-r--r--src/database/memory.rs23
-rw-r--r--src/database/mod.rs34
-rw-r--r--src/database/postgres/mod.rs27
-rw-r--r--src/frontend/mod.rs52
-rw-r--r--src/frontend/onboarding.rs8
-rw-r--r--src/micropub/mod.rs6
-rw-r--r--src/micropub/util.rs2
8 files changed, 93 insertions, 91 deletions
diff --git a/src/database/file/mod.rs b/src/database/file/mod.rs
index 46660ab..f6715e1 100644
--- a/src/database/file/mod.rs
+++ b/src/database/file/mod.rs
@@ -210,7 +210,8 @@ impl FileStorage {
 
 async fn hydrate_author<S: Storage>(
     feed: &mut serde_json::Value,
-    user: &'_ Option<String>,
+    // Unused?
+    user: Option<&url::Url>,
     storage: &S,
 ) {
     let url = feed["properties"]["uid"][0]
@@ -226,6 +227,7 @@ async fn hydrate_author<S: Storage>(
             let author_list: Vec<serde_json::Value> = stream::iter(author.iter())
                 .then(|i| async move {
                     if let Some(i) = i.as_str() {
+                        // BUG: Use `user` to sanitize?
                         match storage.get_post(i).await {
                             Ok(post) => match post {
                                 Some(post) => post,
@@ -319,7 +321,7 @@ impl Storage for FileStorage {
     }
 
     #[tracing::instrument(skip(self))]
-    async fn put_post(&self, post: &'_ serde_json::Value, user: &'_ str) -> Result<()> {
+    async fn put_post(&self, post: &'_ serde_json::Value, user: &url::Url) -> Result<()> {
         let key = post["properties"]["uid"][0]
             .as_str()
             .expect("Tried to save a post without UID");
@@ -358,7 +360,7 @@ impl Storage for FileStorage {
                         .unwrap_or_default()
                     )
                 };
-                if url != key && url_domain == user {
+                if url != key && url_domain == user.authority() {
                     let link = url_to_path(&self.root_dir, url);
                     debug!("Creating a symlink at {:?}", link);
                     let orig = path.clone();
@@ -386,7 +388,7 @@ impl Storage for FileStorage {
             // Add the h-feed to the channel list
             let path = {
                 let mut path = relative_path::RelativePathBuf::new();
-                path.push(user);
+                path.push(user.authority());
                 path.push("channels");
 
                 path.to_path(&self.root_dir)
@@ -487,9 +489,9 @@ impl Storage for FileStorage {
     }
 
     #[tracing::instrument(skip(self))]
-    async fn get_channels(&self, user: &'_ str) -> Result<Vec<super::MicropubChannel>> {
+    async fn get_channels(&self, user: &url::Url) -> Result<Vec<super::MicropubChannel>> {
         let mut path = relative_path::RelativePathBuf::new();
-        path.push(user);
+        path.push(user.authority());
         path.push("channels");
 
         let path = path.to_path(&self.root_dir);
@@ -521,13 +523,13 @@ impl Storage for FileStorage {
         url: &'_ str,
         cursor: Option<&'_ str>,
         limit: usize,
-        user: Option<&'_ str>
+        user: Option<&url::Url>
     ) -> Result<Option<(serde_json::Value, Option<String>)>> {
         Ok(self.read_feed_with_limit(
             url,
-            &cursor.map(|v| v.to_owned()),
+            cursor,
             limit,
-            &user.map(|v| v.to_owned())
+            user
         ).await?
             .map(|feed| {
                 tracing::debug!("Feed: {:#}", serde_json::Value::Array(
@@ -555,9 +557,9 @@ impl Storage for FileStorage {
     async fn read_feed_with_limit(
         &self,
         url: &'_ str,
-        after: &'_ Option<String>,
+        after: Option<&str>,
         limit: usize,
-        user: &'_ Option<String>,
+        user: Option<&url::Url>,
     ) -> Result<Option<serde_json::Value>> {
         if let Some(mut feed) = self.get_post(url).await? {
             if feed["children"].is_array() {
@@ -627,10 +629,10 @@ impl Storage for FileStorage {
     }
 
     #[tracing::instrument(skip(self))]
-    async fn get_setting<S: settings::Setting<'a>, 'a>(&self, user: &'_ str) -> Result<S> {
+    async fn get_setting<S: settings::Setting<'a>, 'a>(&self, user: &url::Url) -> Result<S> {
         debug!("User for getting settings: {}", user);
         let mut path = relative_path::RelativePathBuf::new();
-        path.push(user);
+        path.push(user.authority());
         path.push("settings");
 
         let path = path.to_path(&self.root_dir);
@@ -648,9 +650,9 @@ impl Storage for FileStorage {
     }
 
     #[tracing::instrument(skip(self))]
-    async fn set_setting<S: settings::Setting<'a> + 'a, 'a>(&self, user: &'a str, value: S::Data) -> Result<()> {
+    async fn set_setting<S: settings::Setting<'a> + 'a, 'a>(&self, user: &'a url::Url, value: S::Data) -> Result<()> {
         let mut path = relative_path::RelativePathBuf::new();
-        path.push(user);
+        path.push(user.authority());
         path.push("settings");
 
         let path = path.to_path(&self.root_dir);
diff --git a/src/database/memory.rs b/src/database/memory.rs
index 564f451..56caeec 100644
--- a/src/database/memory.rs
+++ b/src/database/memory.rs
@@ -11,7 +11,7 @@ use crate::database::{ErrorKind, MicropubChannel, Result, settings, Storage, Sto
 #[derive(Clone, Debug)]
 pub struct MemoryStorage {
     pub mapping: Arc<RwLock<HashMap<String, serde_json::Value>>>,
-    pub channels: Arc<RwLock<HashMap<String, Vec<String>>>>,
+    pub channels: Arc<RwLock<HashMap<url::Url, Vec<String>>>>,
 }
 
 #[async_trait]
@@ -45,7 +45,7 @@ impl Storage for MemoryStorage {
         }
     }
 
-    async fn put_post(&self, post: &'_ serde_json::Value, _user: &'_ str) -> Result<()> {
+    async fn put_post(&self, post: &'_ serde_json::Value, user: &url::Url) -> Result<()> {
         let mapping = &mut self.mapping.write().await;
         let key: &str = match post["properties"]["uid"][0].as_str() {
             Some(uid) => uid,
@@ -80,12 +80,7 @@ impl Storage for MemoryStorage {
             self.channels
                 .write()
                 .await
-                .entry(
-                    post["properties"]["author"][0]
-                        .as_str()
-                        .unwrap()
-                        .to_string(),
-                )
+                .entry(user.clone())
                 .or_insert_with(Vec::new)
                 .push(key.to_string())
         }
@@ -165,7 +160,7 @@ impl Storage for MemoryStorage {
         Ok(())
     }
 
-    async fn get_channels(&self, user: &'_ str) -> Result<Vec<MicropubChannel>> {
+    async fn get_channels(&self, user: &url::Url) -> Result<Vec<MicropubChannel>> {
         match self.channels.read().await.get(user) {
             Some(channels) => Ok(futures_util::future::join_all(
                 channels
@@ -197,9 +192,9 @@ impl Storage for MemoryStorage {
     async fn read_feed_with_limit(
         &self,
         url: &'_ str,
-        after: &'_ Option<String>,
+        after: Option<&str>,
         limit: usize,
-        user: &'_ Option<String>,
+        user: Option<&url::Url>,
     ) -> Result<Option<serde_json::Value>> {
         todo!()
     }
@@ -210,7 +205,7 @@ impl Storage for MemoryStorage {
         url: &'_ str,
         cursor: Option<&'_ str>,
         limit: usize,
-        user: Option<&'_ str>
+        user: Option<&url::Url>
     ) -> Result<Option<(serde_json::Value, Option<String>)>> {
         todo!()
     }
@@ -221,12 +216,12 @@ impl Storage for MemoryStorage {
     }
 
     #[allow(unused_variables)]
-    async fn get_setting<S: settings::Setting<'a>, 'a>(&'_ self, user: &'_ str) -> Result<S> {
+    async fn get_setting<S: settings::Setting<'a>, 'a>(&'_ self, user: &url::Url) -> Result<S> {
         todo!()
     }
 
     #[allow(unused_variables)]
-    async fn set_setting<S: settings::Setting<'a> + 'a, 'a>(&self, user: &'a str, value: S::Data) -> Result<()> {
+    async fn set_setting<S: settings::Setting<'a> + 'a, 'a>(&self, user: &'a url::Url, value: S::Data) -> Result<()> {
         todo!()
     }
 
diff --git a/src/database/mod.rs b/src/database/mod.rs
index a6a3b46..f48b4a9 100644
--- a/src/database/mod.rs
+++ b/src/database/mod.rs
@@ -227,7 +227,7 @@ pub trait Storage: std::fmt::Debug + Clone + Send + Sync {
     /// Save a post to the database as an MF2-JSON structure.
     ///
     /// Note that the `post` object MUST have `post["properties"]["uid"][0]` defined.
-    async fn put_post(&self, post: &'_ serde_json::Value, user: &'_ str) -> Result<()>;
+    async fn put_post(&self, post: &'_ serde_json::Value, user: &url::Url) -> Result<()>;
 
     /// Add post to feed. Some database implementations might have optimized ways to do this.
     #[tracing::instrument(skip(self))]
@@ -258,7 +258,7 @@ pub trait Storage: std::fmt::Debug + Clone + Send + Sync {
 
     /// Get a list of channels available for the user represented by
     /// the `user` domain to write to.
-    async fn get_channels(&self, user: &'_ str) -> Result<Vec<MicropubChannel>>;
+    async fn get_channels(&self, user: &url::Url) -> Result<Vec<MicropubChannel>>;
 
     /// Fetch a feed at `url` and return an h-feed object containing
     /// `limit` posts after a post by url `after`, filtering the content
@@ -279,9 +279,9 @@ pub trait Storage: std::fmt::Debug + Clone + Send + Sync {
     async fn read_feed_with_limit(
         &self,
         url: &'_ str,
-        after: &'_ Option<String>,
+        after: Option<&str>,
         limit: usize,
-        user: &'_ Option<String>,
+        user: Option<&url::Url>,
     ) -> Result<Option<serde_json::Value>>;
 
     /// Fetch a feed at `url` and return an h-feed object containing
@@ -307,17 +307,17 @@ pub trait Storage: std::fmt::Debug + Clone + Send + Sync {
         url: &'_ str,
         cursor: Option<&'_ str>,
         limit: usize,
-        user: Option<&'_ str>
+        user: Option<&url::Url>
     ) -> Result<Option<(serde_json::Value, Option<String>)>>;
 
     /// Deletes a post from the database irreversibly. Must be idempotent.
     async fn delete_post(&self, url: &'_ str) -> Result<()>;
 
     /// Gets a setting from the setting store and passes the result.
-    async fn get_setting<S: Setting<'a>, 'a>(&'_ self, user: &'_ str) -> Result<S>;
+    async fn get_setting<S: Setting<'a>, 'a>(&'_ self, user: &url::Url) -> Result<S>;
 
     /// Commits a setting to the setting store.
-    async fn set_setting<S: Setting<'a> + 'a, 'a>(&self, user: &'a str, value: S::Data) -> Result<()>;
+    async fn set_setting<S: Setting<'a> + 'a, 'a>(&self, user: &'a url::Url, value: S::Data) -> Result<()>;
 
     /// Add (or update) a webmention on a certian post.
     ///
@@ -359,7 +359,7 @@ mod tests {
 
         // Reading and writing
         backend
-            .put_post(&post, "fireburn.ru")
+            .put_post(&post, &"https://fireburn.ru/".parse().unwrap())
             .await
             .unwrap();
         if let Some(returned_post) = backend.get_post(&key).await.unwrap() {
@@ -423,7 +423,7 @@ mod tests {
 
         // Reading and writing
         backend
-            .put_post(&post, "fireburn.ru")
+            .put_post(&post, &"https://fireburn.ru/".parse().unwrap())
             .await
             .unwrap();
 
@@ -482,10 +482,10 @@ mod tests {
             "children": []
         });
         backend
-            .put_post(&feed, "fireburn.ru")
+            .put_post(&feed, &"https://fireburn.ru/".parse().unwrap())
             .await
             .unwrap();
-        let chans = backend.get_channels("fireburn.ru").await.unwrap();
+        let chans = backend.get_channels(&"https://fireburn.ru/".parse().unwrap()).await.unwrap();
         assert_eq!(chans.len(), 1);
         assert_eq!(
             chans[0],
@@ -499,14 +499,14 @@ mod tests {
     async fn test_settings<Backend: Storage>(backend: Backend) {
         backend
             .set_setting::<settings::SiteName>(
-                "https://fireburn.ru/",
+                &"https://fireburn.ru/".parse().unwrap(),
                 "Vika's Hideout".to_owned()
             )
             .await
             .unwrap();
         assert_eq!(
             backend
-            .get_setting::<settings::SiteName>("https://fireburn.ru/")
+            .get_setting::<settings::SiteName>(&"https://fireburn.ru/".parse().unwrap())
             .await
             .unwrap()
             .as_ref(),
@@ -594,13 +594,13 @@ mod tests {
         let key = feed["properties"]["uid"][0].as_str().unwrap();
 
         backend
-            .put_post(&feed, "fireburn.ru")
+            .put_post(&feed, &"https://fireburn.ru/".parse().unwrap())
             .await
             .unwrap();
 
         for (i, post) in posts.iter().rev().enumerate() {
             backend
-                .put_post(post, "fireburn.ru")
+                .put_post(post, &"https://fireburn.ru/".parse().unwrap())
                 .await
                 .unwrap();
             backend.add_to_feed(key, post["properties"]["uid"][0].as_str().unwrap()).await.unwrap();
@@ -699,7 +699,7 @@ mod tests {
     async fn test_webmention_addition<Backend: Storage>(db: Backend) {
         let post = gen_random_post("fireburn.ru");
 
-        db.put_post(&post, "fireburn.ru").await.unwrap();
+        db.put_post(&post, &"https://fireburn.ru/".parse().unwrap()).await.unwrap();
         const TYPE: MentionType = MentionType::Reply;
 
         let target = post["properties"]["uid"][0].as_str().unwrap();
@@ -732,7 +732,7 @@ mod tests {
 
             post
         };
-        db.put_post(&post, "fireburn.ru").await.unwrap();
+        db.put_post(&post, &"https://fireburn.ru/".parse().unwrap()).await.unwrap();
 
         for i in post["properties"]["url"].as_array().unwrap() {
             let (read_post, _) = db.read_feed_with_cursor(i.as_str().unwrap(), None, 20, None).await.unwrap().unwrap();
diff --git a/src/database/postgres/mod.rs b/src/database/postgres/mod.rs
index 71c4d58..7813045 100644
--- a/src/database/postgres/mod.rs
+++ b/src/database/postgres/mod.rs
@@ -1,4 +1,3 @@
-#![allow(unused_variables)]
 use std::borrow::Cow;
 use std::str::FromStr;
 
@@ -111,11 +110,11 @@ WHERE
     }
 
     #[tracing::instrument(skip(self))]
-    async fn put_post(&self, post: &'_ serde_json::Value, user: &'_ str) -> Result<()> {
+    async fn put_post(&self, post: &'_ serde_json::Value, user: &url::Url) -> Result<()> {
         tracing::debug!("New post: {}", post);
         sqlx::query("INSERT INTO kittybox.mf2_json (uid, mf2, owner) VALUES ($1 #>> '{properties,uid,0}', $1, $2)")
             .bind(post)
-            .bind(user)
+            .bind(user.authority())
             .execute(&self.db)
             .await
             .map(|_| ())
@@ -247,14 +246,14 @@ WHERE
     }
 
     #[tracing::instrument(skip(self))]
-    async fn get_channels(&self, user: &'_ str) -> Result<Vec<MicropubChannel>> {
+    async fn get_channels(&self, user: &url::Url) -> Result<Vec<MicropubChannel>> {
         /*sqlx::query_as::<_, MicropubChannel>("SELECT name, uid FROM kittybox.channels WHERE owner = $1")
             .bind(user)
             .fetch_all(&self.db)
             .await
             .map_err(|err| err.into())*/
         sqlx::query_as::<_, MicropubChannel>(r#"SELECT mf2 #>> '{properties,name,0}' as name, uid FROM kittybox.mf2_json WHERE '["h-feed"]'::jsonb @> mf2['type'] AND owner = $1"#)
-            .bind(user)
+            .bind(user.authority())
             .fetch_all(&self.db)
             .await
             .map_err(|err| err.into())
@@ -264,10 +263,12 @@ WHERE
     async fn read_feed_with_limit(
         &self,
         url: &'_ str,
-        after: &'_ Option<String>,
+        after: Option<&str>,
         limit: usize,
-        user: &'_ Option<String>,
+        // BUG: this doesn't seem to be used?!
+        user: Option<&url::Url>,
     ) -> Result<Option<serde_json::Value>> {
+        unimplemented!("read_feed_with_limit is insecure and deprecated");
         let mut feed = match sqlx::query_as::<_, (serde_json::Value,)>("
 SELECT jsonb_set(
     mf2,
@@ -331,7 +332,7 @@ ORDER BY mf2 #>> '{properties,published,0}' DESC
         url: &'_ str,
         cursor: Option<&'_ str>,
         limit: usize,
-        user: Option<&'_ str>
+        user: Option<&url::Url>
     ) -> Result<Option<(serde_json::Value, Option<String>)>> {
         let mut txn = self.db.begin().await?;
         sqlx::query("SET TRANSACTION ISOLATION LEVEL REPEATABLE READ, READ ONLY")
@@ -384,7 +385,7 @@ LIMIT $2"
         )
             .bind(url)
             .bind(limit as i64)
-            .bind(user)
+            .bind(user.map(url::Url::to_string))
             .bind(cursor)
             .fetch_all(&mut *txn)
             .await
@@ -405,9 +406,9 @@ LIMIT $2"
     }
 
     #[tracing::instrument(skip(self))]
-    async fn get_setting<S: Setting<'a>, 'a>(&'_ self, user: &'_ str) -> Result<S> {
+    async fn get_setting<S: Setting<'a>, 'a>(&'_ self, user: &url::Url) -> Result<S> {
         match sqlx::query_as::<_, (serde_json::Value,)>("SELECT kittybox.get_setting($1, $2)")
-            .bind(user)
+            .bind(user.authority())
             .bind(S::ID)
             .fetch_one(&self.db)
             .await
@@ -418,9 +419,9 @@ LIMIT $2"
     }
 
     #[tracing::instrument(skip(self))]
-    async fn set_setting<S: Setting<'a> + 'a, 'a>(&self, user: &'a str, value: S::Data) -> Result<()> {
+    async fn set_setting<S: Setting<'a> + 'a, 'a>(&self, user: &'a url::Url, value: S::Data) -> Result<()> {
         sqlx::query("SELECT kittybox.set_setting($1, $2, $3)")
-            .bind(user)
+            .bind(user.authority())
             .bind(S::ID)
             .bind(serde_json::to_value(S::new(value)).unwrap())
             .execute(&self.db)
diff --git a/src/frontend/mod.rs b/src/frontend/mod.rs
index 7a43532..0292171 100644
--- a/src/frontend/mod.rs
+++ b/src/frontend/mod.rs
@@ -87,7 +87,7 @@ impl std::fmt::Display for FrontendError {
 #[tracing::instrument(skip(post), fields(post = %post))]
 pub fn filter_post(
     mut post: serde_json::Value,
-    user: Option<&str>,
+    user: Option<&url::Url>,
 ) -> Option<serde_json::Value> {
     if post["properties"]["deleted"][0].is_string() {
         tracing::debug!("Deleted post; returning tombstone instead");
@@ -108,7 +108,9 @@ pub fn filter_post(
                 serde_json::Value::String(ref author) => author.as_str(),
                 mf2 => mf2["properties"]["uid"][0].as_str().unwrap()
             }
-        }).collect::<Vec<&str>>();
+        })
+        .map(|i| i.parse().unwrap())
+        .collect::<Vec<url::Url>>();
     let visibility = post["properties"]["visibility"][0]
         .as_str()
         .unwrap_or("public");
@@ -118,12 +120,12 @@ pub fn filter_post(
             .as_array()
             .unwrap_or(&empty_vec)
             .iter()
-            .map(|i| i.as_str().unwrap()));
+            .map(|i| i.as_str().unwrap().parse().unwrap()));
 
         audience
     };
     tracing::debug!("post audience = {:?}", audience);
-    if (visibility == "private" && !audience.iter().any(|i| Some(*i) == user))
+    if (visibility == "private" && !audience.iter().any(|i| Some(i) == user))
         || (visibility == "protected" && user.is_none())
     {
         return None;
@@ -137,8 +139,8 @@ pub fn filter_post(
             .as_array()
             .unwrap_or(&empty_vec)
             .iter()
-            .map(|i| i.as_str().unwrap());
-        if (location_visibility == "private" && !author.any(|i| Some(i) == user))
+            .map(|i| i.as_str().unwrap().parse().unwrap());
+        if (location_visibility == "private" && !author.any(|i| Some(&i) == user))
             || (location_visibility == "protected" && user.is_none())
         {
             post["properties"]
@@ -184,10 +186,10 @@ async fn get_post_from_database<S: Storage>(
     db: &S,
     url: &str,
     after: Option<String>,
-    user: &Option<String>,
+    user: Option<&url::Url>,
 ) -> std::result::Result<(serde_json::Value, Option<String>), FrontendError> {
     match db
-        .read_feed_with_cursor(url, after.as_deref(), POSTS_PER_PAGE, user.as_deref())
+        .read_feed_with_cursor(url, after.as_deref(), POSTS_PER_PAGE, user)
         .await
     {
         Ok(result) => match result {
@@ -240,12 +242,13 @@ pub async fn homepage<D: Storage>(
     Extension(db): Extension<D>,
 ) -> impl IntoResponse {
     let user = None; // TODO authentication
-    let path = format!("https://{}/", host);
+    // This is stupid, but there is no other way.
+    let hcard_url: url::Url = format!("https://{}/", host).parse().unwrap();
     let feed_path = format!("https://{}/feeds/main", host);
 
     match tokio::try_join!(
-        get_post_from_database(&db, &path, None, &user),
-        get_post_from_database(&db, &feed_path, query.after, &user)
+        get_post_from_database(&db, &hcard_url.as_str(), None, user.as_ref()),
+        get_post_from_database(&db, &feed_path, query.after, user.as_ref())
     ) {
         Ok(((hcard, _), (hfeed, cursor))) => {
             // Here, we know those operations can't really fail
@@ -254,13 +257,13 @@ pub async fn homepage<D: Storage>(
             //
             // btw is it more efficient to fetch these in parallel?
             let (blogname, webring, channels) = tokio::join!(
-                db.get_setting::<crate::database::settings::SiteName>(&host)
+                db.get_setting::<crate::database::settings::SiteName>(&hcard_url)
                 .map(Result::unwrap_or_default),
 
-                db.get_setting::<crate::database::settings::Webring>(&host)
+                db.get_setting::<crate::database::settings::Webring>(&hcard_url)
                 .map(Result::unwrap_or_default),
 
-                db.get_channels(&host).map(|i| i.unwrap_or_default())
+                db.get_channels(&hcard_url).map(|i| i.unwrap_or_default())
             );
             // Render the homepage
             (
@@ -273,7 +276,7 @@ pub async fn homepage<D: Storage>(
                     title: blogname.as_ref(),
                     blog_name: blogname.as_ref(),
                     feeds: channels,
-                    user,
+                    user: user.as_ref().map(url::Url::to_string),
                     content: MainPage {
                         feed: &hfeed,
                         card: &hcard,
@@ -298,10 +301,10 @@ pub async fn homepage<D: Storage>(
                 error!("Error while fetching h-card and/or h-feed: {}", err);
                 // Return the error
                 let (blogname, channels) = tokio::join!(
-                    db.get_setting::<crate::database::settings::SiteName>(&host)
+                    db.get_setting::<crate::database::settings::SiteName>(&hcard_url)
                     .map(Result::unwrap_or_default),
 
-                    db.get_channels(&host).map(|i| i.unwrap_or_default())
+                    db.get_channels(&hcard_url).map(|i| i.unwrap_or_default())
                 );
 
                 (
@@ -314,7 +317,7 @@ pub async fn homepage<D: Storage>(
                         title: blogname.as_ref(),
                         blog_name: blogname.as_ref(),
                         feeds: channels,
-                        user,
+                        user: user.as_ref().map(url::Url::to_string),
                         content: ErrorPage {
                             code: err.code(),
                             msg: Some(err.msg().to_string()),
@@ -335,13 +338,14 @@ pub async fn catchall<D: Storage>(
     Query(query): Query<QueryParams>,
     uri: Uri,
 ) -> impl IntoResponse {
-    let user = None; // TODO authentication
-    let path = url::Url::parse(&format!("https://{}/", host))
-        .unwrap()
+    let user: Option<url::Url> = None; // TODO authentication
+    let host = url::Url::parse(&format!("https://{}/", host)).unwrap();
+    let path = host
+        .clone()
         .join(uri.path())
         .unwrap();
 
-    match get_post_from_database(&db, path.as_str(), query.after, &user).await {
+    match get_post_from_database(&db, path.as_str(), query.after, user.as_ref()).await {
         Ok((post, cursor)) => {
             let (blogname, channels) = tokio::join!(
                 db.get_setting::<crate::database::settings::SiteName>(&host)
@@ -360,7 +364,7 @@ pub async fn catchall<D: Storage>(
                     title: blogname.as_ref(),
                     blog_name: blogname.as_ref(),
                     feeds: channels,
-                    user,
+                    user: user.as_ref().map(url::Url::to_string),
                     content: match post.pointer("/type/0").and_then(|i| i.as_str()) {
                         Some("h-entry") => Entry { post: &post }.to_string(),
                         Some("h-feed") => Feed { feed: &post, cursor: cursor.as_deref() }.to_string(),
@@ -390,7 +394,7 @@ pub async fn catchall<D: Storage>(
                     title: blogname.as_ref(),
                     blog_name: blogname.as_ref(),
                     feeds: channels,
-                    user,
+                    user: user.as_ref().map(url::Url::to_string),
                     content: ErrorPage {
                         code: err.code(),
                         msg: Some(err.msg().to_owned()),
diff --git a/src/frontend/onboarding.rs b/src/frontend/onboarding.rs
index e44e866..faf8cdd 100644
--- a/src/frontend/onboarding.rs
+++ b/src/frontend/onboarding.rs
@@ -82,11 +82,11 @@ async fn onboard<D: Storage + 'static>(
             .map(|port| format!(":{}", port))
             .unwrap_or_default()
     );
-    db.set_setting::<settings::SiteName>(&user_domain, data.blog_name.to_owned())
+    db.set_setting::<settings::SiteName>(&user.me, data.blog_name.to_owned())
         .await
         .map_err(FrontendError::from)?;
 
-    db.set_setting::<settings::Webring>(&user_domain, false)
+    db.set_setting::<settings::Webring>(&user.me, false)
         .await
         .map_err(FrontendError::from)?;
 
@@ -95,7 +95,7 @@ async fn onboard<D: Storage + 'static>(
         hcard["properties"]["uid"] = serde_json::json!([&user_uid]);
         crate::micropub::normalize_mf2(hcard, &user)
     };
-    db.put_post(&hcard, user_domain.as_str())
+    db.put_post(&hcard, &user.me)
         .await
         .map_err(FrontendError::from)?;
 
@@ -113,7 +113,7 @@ async fn onboard<D: Storage + 'static>(
             &user,
         );
 
-        db.put_post(&feed, user_uid.as_str())
+        db.put_post(&feed, &user.me)
             .await
             .map_err(FrontendError::from)?;
     }
diff --git a/src/micropub/mod.rs b/src/micropub/mod.rs
index 8f7ff90..74f53a0 100644
--- a/src/micropub/mod.rs
+++ b/src/micropub/mod.rs
@@ -292,7 +292,7 @@ pub(crate) async fn _post<D: 'static + Storage>(
     );
     // Save the post
     tracing::debug!("Saving post to database...");
-    db.put_post(&mf2, &user_domain).await?;
+    db.put_post(&mf2, &user.me).await?;
 
     let mut channels = mf2["properties"]["channel"]
         .as_array()
@@ -579,7 +579,7 @@ pub(crate) async fn query<D: Storage, A: AuthBackend>(
     );
     match query.q {
         QueryType::Config => {
-            let channels: Vec<MicropubChannel> = match db.get_channels(&user_domain).await {
+            let channels: Vec<MicropubChannel> = match db.get_channels(&user.me).await {
                 Ok(chans) => chans,
                 Err(err) => {
                     return MicropubError::new(
@@ -636,7 +636,7 @@ pub(crate) async fn query<D: Storage, A: AuthBackend>(
                 }
             }
         }
-        QueryType::Channel => match db.get_channels(&user_domain).await {
+        QueryType::Channel => match db.get_channels(&user.me).await {
             Ok(chans) => axum::response::Json(json!({ "channels": chans })).into_response(),
             Err(err) => MicropubError::new(
                 ErrorType::InternalServerError,
diff --git a/src/micropub/util.rs b/src/micropub/util.rs
index b6a045d..0633ce9 100644
--- a/src/micropub/util.rs
+++ b/src/micropub/util.rs
@@ -212,7 +212,7 @@ pub(crate) async fn create_feed(
         }),
         user,
     );
-    storage.put_post(&feed, user.me.as_str()).await?;
+    storage.put_post(&feed, &user.me).await?;
     storage.add_to_feed(channel, uid).await
 }