Normalize panic message and return 400 or 404 when suitable

src/api/posts.rs

@@ -19,7 +19,7 @@ fn get(id: i32, conn: DbConn) -> Json<serde_json::Value> {
 
 #[get("/posts")]
 fn list(conn: DbConn, uri: &Origin) -> Json<serde_json::Value> {
-    let query: PostEndpoint = serde_qs::from_str(uri.query().unwrap_or("")).expect("Invalid query string");
+    let query: PostEndpoint = serde_qs::from_str(uri.query().unwrap_or("")).expect("api::list: invalid query error");
     let post = <Post as Provider<Connection>>::list(&*conn, query);
     Json(json!(post))
 }

src/inbox.rs

@@ -16,7 +16,7 @@ use plume_models::{
 
 pub trait Inbox {
     fn received(&self, conn: &Connection, act: serde_json::Value) -> Result<(), Error> {
-        let actor_id = Id::new(act["actor"].as_str().unwrap_or_else(|| act["actor"]["id"].as_str().expect("No actor ID for incoming activity")));
+        let actor_id = Id::new(act["actor"].as_str().unwrap_or_else(|| act["actor"]["id"].as_str().expect("Inbox::received: actor_id missing error")));
         match act["type"].as_str() {
             Some(t) => {
                 match t {
@@ -47,7 +47,7 @@ pub trait Inbox {
                     },
                     "Undo" => {
                         let act: Undo = serde_json::from_value(act.clone())?;
-                        match act.undo_props.object["type"].as_str().unwrap() {
+                        match act.undo_props.object["type"].as_str().expect("Inbox::received: undo without original type error") {
                             "Like" => {
                                 likes::Like::delete_id(act.undo_props.object_object::<Like>()?.object_props.id_string()?, conn);
                                 Ok(())

src/main.rs

@@ -56,7 +56,7 @@ fn init_pool() -> Option<DbPool> {
 }
 
 fn main() {
-    let pool = init_pool().expect("Couldn't intialize database pool");
+    let pool = init_pool().expect("main: database pool initialization error");
     rocket::ignite()
         .mount("/", routes![
             routes::blogs::paginated_details,
@@ -176,6 +176,6 @@ fn main() {
                     ("/login".to_owned(), "/login".to_owned(), rocket::http::Method::Post),
                     ("/users/new".to_owned(), "/users/new".to_owned(), rocket::http::Method::Post),
                 ])
-                .finalize().unwrap())
+                .finalize().expect("main: csrf fairing creation error"))
         .launch();
 }

src/routes/blogs.rs

@@ -1,9 +1,9 @@
 use activitypub::collection::OrderedCollection;
 use atom_syndication::{Entry, FeedBuilder};
 use rocket::{
+    http::ContentType,
     request::LenientForm,
-    response::{Redirect, Flash, content::Content},
-    http::ContentType
+    response::{Redirect, Flash, content::Content}
 };
 use rocket_contrib::Template;
 use serde_json;
@@ -49,9 +49,9 @@ fn details(name: String, conn: DbConn, user: Option<User>) -> Template {
 }
 
 #[get("/~/<name>", rank = 1)]
-fn activity_details(name: String, conn: DbConn, _ap: ApRequest) -> ActivityStream<CustomGroup> {
-    let blog = Blog::find_local(&*conn, name).unwrap();
-    ActivityStream::new(blog.into_activity(&*conn))
+fn activity_details(name: String, conn: DbConn, _ap: ApRequest) -> Option<ActivityStream<CustomGroup>> {
+    let blog = Blog::find_local(&*conn, name)?;
+    Some(ActivityStream::new(blog.into_activity(&*conn)))
 }
 
 #[get("/blogs/new")]
@@ -130,22 +130,23 @@ fn create(conn: DbConn, data: LenientForm<NewBlogForm>, user: User) -> Result<Re
 }
 
 #[get("/~/<name>/outbox")]
-fn outbox(name: String, conn: DbConn) -> ActivityStream<OrderedCollection> {
-    let blog = Blog::find_local(&*conn, name).unwrap();
-    blog.outbox(&*conn)
+fn outbox(name: String, conn: DbConn) -> Option<ActivityStream<OrderedCollection>> {
+    let blog = Blog::find_local(&*conn, name)?;
+    Some(blog.outbox(&*conn))
 }
 
 #[get("/~/<name>/atom.xml")]
-fn atom_feed(name: String, conn: DbConn) -> Content<String> {
-    let blog = Blog::find_by_fqn(&*conn, name.clone()).expect("Unable to find blog");
+fn atom_feed(name: String, conn: DbConn) -> Option<Content<String>> {
+    let blog = Blog::find_by_fqn(&*conn, name.clone())?;
     let feed = FeedBuilder::default()
         .title(blog.title.clone())
-        .id(Instance::get_local(&*conn).unwrap().compute_box("~", name, "atom.xml"))
+        .id(Instance::get_local(&*conn).expect("blogs::atom_feed: local instance not found error")
+            .compute_box("~", name, "atom.xml"))
         .entries(Post::get_recents_for_blog(&*conn, &blog, 15)
             .into_iter()
             .map(|p| super::post_to_atom(p, &*conn))
             .collect::<Vec<Entry>>())
         .build()
-        .expect("Error building Atom feed");
-    Content(ContentType::new("application", "atom+xml"), feed.to_string())
+        .expect("blogs::atom_feed: feed creation error");
+    Some(Content(ContentType::new("application", "atom+xml"), feed.to_string()))
 }

src/routes/comments.rs

@@ -28,9 +28,10 @@ struct NewCommentForm {
 }
 
 #[post("/~/<blog_name>/<slug>/comment", data = "<data>")]
-fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Result<Redirect, Template> {
-    let blog = Blog::find_by_fqn(&*conn, blog_name.clone()).unwrap();
-    let post = Post::find_by_slug(&*conn, slug.clone(), blog.id).unwrap();
+fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>)
+    -> Result<Redirect, Option<Template>> {
+    let blog = Blog::find_by_fqn(&*conn, blog_name.clone()).ok_or(None)?;
+    let post = Post::find_by_slug(&*conn, slug.clone(), blog.id).ok_or(None)?;
     let form = data.get();
     form.validate()
         .map(|_| {
@@ -63,7 +64,7 @@ fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, us
             let comments = Comment::list_by_post(&*conn, post.id);
             let comms = comments.clone();
 
-            Template::render("posts/details", json!({
+            Some(Template::render("posts/details", json!({
                 "author": post.get_authors(&*conn)[0].to_json(&*conn),
                 "post": post,
                 "blog": blog,
@@ -74,10 +75,10 @@ fn create(blog_name: String, slug: String, data: LenientForm<NewCommentForm>, us
                 "has_reshared": user.has_reshared(&*conn, &post),
                 "account": user.to_json(&*conn),
                 "date": &post.creation_date.timestamp(),
-                "previous": form.responding_to.map(|r| Comment::get(&*conn, r).expect("Error retrieving previous comment").to_json(&*conn, &vec![])),
+                "previous": form.responding_to.and_then(|r| Comment::get(&*conn, r)).map(|r| r.to_json(&*conn, &vec![])),
                 "user_fqn": user.get_fqn(&*conn),
                 "errors": errors
-            }))
+            })))
         })
 }
 

src/routes/errors.rs

@@ -6,21 +6,21 @@ use plume_models::users::User;
 
 #[catch(404)]
 fn not_found(req: &Request) -> Template {
-    let conn = req.guard::<DbConn>().expect("404: DbConn error");
+    let conn = req.guard::<DbConn>().succeeded();
     let user = User::from_request(req).succeeded();
     Template::render("errors/404", json!({
         "error_message": "Page not found",
-        "account": user.map(|u| u.to_json(&*conn))
+        "account": user.and_then(|u| conn.map(|conn| u.to_json(&*conn)))
     }))
 }
 
 #[catch(500)]
 fn server_error(req: &Request) -> Template {
-    let conn = req.guard::<DbConn>().expect("500: DbConn error");
+    let conn = req.guard::<DbConn>().succeeded();
     let user = User::from_request(req).succeeded();
     Template::render("errors/500", json!({
         "error_message": "Server error",
-        "account": user.map(|u| u.to_json(&*conn))
+        "account": user.and_then(|u| conn.map(|conn| u.to_json(&*conn)))
     }))
 }
 

src/routes/instance.rs

@@ -1,5 +1,5 @@
 use gettextrs::gettext;
-use rocket::{request::LenientForm, response::Redirect};
+use rocket::{request::LenientForm, response::{status, Redirect}};
 use rocket_contrib::{Json, Template};
 use serde_json;
 use validator::{Validate};
@@ -52,7 +52,7 @@ fn index(conn: DbConn, user: Option<User>) -> Template {
 
 #[get("/local?<page>")]
 fn paginated_local(conn: DbConn, user: Option<User>, page: Page) -> Template {
-    let instance = Instance::get_local(&*conn).unwrap();
+    let instance = Instance::get_local(&*conn).expect("instance::paginated_local: local instance not found error");
     let articles = Post::get_instance_page(&*conn, instance.id, page.limits());
     Template::render("instance/local", json!({
         "account": user.map(|u| u.to_json(&*conn)),
@@ -129,7 +129,7 @@ fn update_settings(conn: DbConn, admin: Admin, form: LenientForm<InstanceSetting
     let form = form.get();
     form.validate()
         .map(|_| {
-            let instance = Instance::get_local(&*conn).unwrap();
+            let instance = Instance::get_local(&*conn).expect("instance::update_settings: local instance not found error");
             instance.update(&*conn,
                 form.name.clone(),
                 form.open_registrations,
@@ -196,31 +196,31 @@ fn ban(_admin: Admin, conn: DbConn, id: i32) -> Redirect {
 }
 
 #[post("/inbox", data = "<data>")]
-fn shared_inbox(conn: DbConn, data: String, headers: Headers) -> String {
-    let act: serde_json::Value = serde_json::from_str(&data[..]).unwrap();
+fn shared_inbox(conn: DbConn, data: String, headers: Headers) -> Result<String, status::BadRequest<&'static str>> {
+    let act: serde_json::Value = serde_json::from_str(&data[..]).expect("instance::shared_inbox: deserialization error");
 
     let activity = act.clone();
     let actor_id = activity["actor"].as_str()
-        .unwrap_or_else(|| activity["actor"]["id"].as_str().expect("No actor ID for incoming activity, blocks by panicking"));
+        .or_else(|| activity["actor"]["id"].as_str()).ok_or(status::BadRequest(Some("Missing actor id for activity")))?;
 
-    let actor = User::from_url(&conn, actor_id.to_owned()).unwrap();
+    let actor = User::from_url(&conn, actor_id.to_owned()).expect("instance::shared_inbox: user error");
     if !verify_http_headers(&actor, headers.0.clone(), data).is_secure() &&
         !act.clone().verify(&actor) {
         println!("Rejected invalid activity supposedly from {}, with headers {:?}", actor.username, headers.0);
-        return "invalid signature".to_owned();
+        return Err(status::BadRequest(Some("Invalid signature")));
     }
 
     if Instance::is_blocked(&*conn, actor_id.to_string()) {
-        return String::new();
+        return Ok(String::new());
     }
-    let instance = Instance::get_local(&*conn).unwrap();
-    match instance.received(&*conn, act) {
+    let instance = Instance::get_local(&*conn).expect("instance::shared_inbox: local instance not found error");
+    Ok(match instance.received(&*conn, act) {
         Ok(_) => String::new(),
         Err(e) => {
             println!("Shared inbox error: {}\n{}", e.as_fail(), e.backtrace());
             format!("Error: {}", e.as_fail())
         }
-    }
+    })
 }
 
 #[get("/nodeinfo")]
@@ -263,7 +263,7 @@ fn about(user: Option<User>, conn: DbConn) -> Template {
 
 #[get("/manifest.json")]
 fn web_manifest(conn: DbConn) -> Json<serde_json::Value> {
-    let instance = Instance::get_local(&*conn).unwrap();
+    let instance = Instance::get_local(&*conn).expect("instance::web_manifest: local instance not found error");
     Json(json!({
         "name": &instance.name,
         "description": &instance.short_description,

src/routes/likes.rs

@@ -12,9 +12,9 @@ use plume_models::{
 };
 
 #[post("/~/<blog>/<slug>/like")]
-fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Redirect {
-    let b = Blog::find_by_fqn(&*conn, blog.clone()).unwrap();
-    let post = Post::find_by_slug(&*conn, slug.clone(), b.id).unwrap();
+fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Option<Redirect> {
+    let b = Blog::find_by_fqn(&*conn, blog.clone())?;
+    let post = Post::find_by_slug(&*conn, slug.clone(), b.id)?;
 
     if !user.has_liked(&*conn, &post) {
         let like = likes::Like::insert(&*conn, likes::NewLike {
@@ -29,13 +29,13 @@ fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Po
         let act = like.into_activity(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, act, dest)));
     } else {
-        let like = likes::Like::find_by_user_on_post(&*conn, user.id, post.id).unwrap();
+        let like = likes::Like::find_by_user_on_post(&*conn, user.id, post.id).expect("likes::create: like exist but not found error");
         let delete_act = like.delete(&*conn);
         let dest = User::one_by_instance(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, delete_act, dest)));
     }
 
-    Redirect::to(uri!(super::posts::details: blog = blog, slug = slug))
+    Some(Redirect::to(uri!(super::posts::details: blog = blog, slug = slug)))
 }
 
 #[post("/~/<blog>/<slug>/like", rank = 2)]

src/routes/medias.rs

@@ -1,6 +1,6 @@
 use guid_create::GUID;
 use multipart::server::{Multipart, save::{SavedData, SaveResult}};
-use rocket::{Data, http::ContentType, response::Redirect};
+use rocket::{Data, http::ContentType, response::{Redirect, status}};
 use rocket_contrib::Template;
 use serde_json;
 use std::fs;
@@ -25,30 +25,27 @@ fn new(user: User, conn: DbConn) -> Template {
 }
 
 #[post("/medias/new", data = "<data>")]
-fn upload(user: User, data: Data, ct: &ContentType, conn: DbConn) -> Redirect {
+fn upload(user: User, data: Data, ct: &ContentType, conn: DbConn) -> Result<Redirect, status::BadRequest<&'static str>> {
     if ct.is_form_data() {
-        let (_, boundary) = ct.params().find(|&(k, _)| k == "boundary").expect("No boundary");
+        let (_, boundary) = ct.params().find(|&(k, _)| k == "boundary").ok_or_else(|| status::BadRequest(Some("No boundary")))?;
 
         match Multipart::with_body(data.open(), boundary).save().temp() {
             SaveResult::Full(entries) => {
                 let fields = entries.fields;
 
-                let filename = fields.get(&"file".to_string()).unwrap().into_iter().next().unwrap().headers
-                    .filename.clone()
-                    .unwrap_or("x.png".to_string()); // PNG by default
-                let ext = filename.rsplitn(2, ".")
-                    .next()
-                    .unwrap();
+                let filename = fields.get(&"file".to_string()).and_then(|v| v.into_iter().next())
+                    .ok_or_else(|| status::BadRequest(Some("No file uploaded")))?.headers
+                    .filename.clone();
+                let ext = filename.and_then(|f| f.rsplit('.').next().map(|ext| ext.to_owned()))
+                    .unwrap_or("png".to_owned());
                 let dest = format!("static/media/{}.{}", GUID::rand().to_string(), ext);
 
-                if let SavedData::Bytes(ref bytes) = fields[&"file".to_string()][0].data {
-                    fs::write(&dest, bytes).expect("Couldn't save upload");
-                } else {
-                    if let SavedData::File(ref path, _) = fields[&"file".to_string()][0].data {
-                        fs::copy(path, &dest).expect("Couldn't copy temp upload");
-                    } else {
-                        println!("not file");
-                        return Redirect::to(uri!(new));
+                match fields[&"file".to_string()][0].data {
+                    SavedData::Bytes(ref bytes) => fs::write(&dest, bytes).expect("media::upload: Couldn't save upload"),
+                    SavedData::File(ref path, _) => {fs::copy(path, &dest).expect("media::upload: Couldn't copy upload");},
+                    _ => {
+                        println!("not a file");
+                        return Ok(Redirect::to(uri!(new)));
                     }
                 }
 
@@ -67,16 +64,16 @@ fn upload(user: User, data: Data, ct: &ContentType, conn: DbConn) -> Redirect {
                     owner_id: user.id
                 });
                 println!("ok");
-                Redirect::to(uri!(details: id = media.id))
+                Ok(Redirect::to(uri!(details: id = media.id)))
             },
             SaveResult::Partial(_, _) | SaveResult::Error(_) => {
                 println!("partial err");
-                Redirect::to(uri!(new))
+                Ok(Redirect::to(uri!(new)))
             }
         }
     } else {
         println!("not form data");
-        Redirect::to(uri!(new))
+        Ok(Redirect::to(uri!(new)))
     }
 }
 
@@ -98,15 +95,15 @@ fn details(id: i32, user: User, conn: DbConn) -> Template {
 }
 
 #[post("/medias/<id>/delete")]
-fn delete(id: i32, _user: User, conn: DbConn) -> Redirect {
-    let media = Media::get(&*conn, id).expect("Media to delete not found");
+fn delete(id: i32, _user: User, conn: DbConn) -> Option<Redirect> {
+    let media = Media::get(&*conn, id)?;
     media.delete(&*conn);
-    Redirect::to(uri!(list))
+    Some(Redirect::to(uri!(list)))
 }
 
 #[post("/medias/<id>/avatar")]
-fn set_avatar(id: i32, user: User, conn: DbConn) -> Redirect {
-    let media = Media::get(&*conn, id).expect("Media to delete not found");
+fn set_avatar(id: i32, user: User, conn: DbConn) -> Option<Redirect> {
+    let media = Media::get(&*conn, id)?;
     user.set_avatar(&*conn, media.id);
-    Redirect::to(uri!(details: id = id))
+    Some(Redirect::to(uri!(details: id = id)))
 }

src/routes/posts.rs

@@ -58,7 +58,8 @@ fn details_response(blog: String, slug: String, conn: DbConn, user: Option<User>
                     "has_reshared": user.clone().map(|u| u.has_reshared(&*conn, &post)).unwrap_or(false),
                     "account": &user.clone().map(|u| u.to_json(&*conn)),
                     "date": &post.creation_date.timestamp(),
-                    "previous": query.and_then(|q| q.responding_to.map(|r| Comment::get(&*conn, r).expect("Error retrieving previous comment").to_json(&*conn, &vec![]))),
+                    "previous": query.and_then(|q| q.responding_to.map(|r| Comment::get(&*conn, r)
+                                                                       .expect("posts::details_reponse: Error retrieving previous comment").to_json(&*conn, &vec![]))),
                     "user_fqn": user.clone().map(|u| u.get_fqn(&*conn)).unwrap_or(String::new()),
                     "is_author": user.clone().map(|u| post.get_authors(&*conn).into_iter().any(|a| u.id == a.id)).unwrap_or(false),
                     "is_following": user.map(|u| u.is_following(&*conn, post.get_authors(&*conn)[0].id)).unwrap_or(false)
@@ -73,13 +74,13 @@ fn details_response(blog: String, slug: String, conn: DbConn, user: Option<User>
 }
 
 #[get("/~/<blog>/<slug>", rank = 3)]
-fn activity_details(blog: String, slug: String, conn: DbConn, _ap: ApRequest) -> Result<ActivityStream<Article>, String> {
-    let blog = Blog::find_by_fqn(&*conn, blog).unwrap();
-    let post = Post::find_by_slug(&*conn, slug, blog.id).unwrap();
+fn activity_details(blog: String, slug: String, conn: DbConn, _ap: ApRequest) -> Result<ActivityStream<Article>, Option<String>> {
+    let blog = Blog::find_by_fqn(&*conn, blog).ok_or(None)?;
+    let post = Post::find_by_slug(&*conn, slug, blog.id).ok_or(None)?;
     if post.published {
         Ok(ActivityStream::new(post.into_activity(&*conn)))
     } else {
-        Err(String::from("Not published yet."))
+        Err(Some(String::from("Not published yet.")))
     }
 }
 
@@ -92,42 +93,42 @@ fn new_auth(blog: String) -> Flash<Redirect> {
 }
 
 #[get("/~/<blog>/new", rank = 1)]
-fn new(blog: String, user: User, conn: DbConn) -> Template {
-    let b = Blog::find_by_fqn(&*conn, blog.to_string()).unwrap();
+fn new(blog: String, user: User, conn: DbConn) -> Option<Template> {
+    let b = Blog::find_by_fqn(&*conn, blog.to_string())?;
 
     if !user.is_author_in(&*conn, b.clone()) {
-        Template::render("errors/403", json!({
+        Some(Template::render("errors/403", json!({// TODO actually return 403 error code
             "error_message": "You are not author in this blog."
-        }))
+        })))
     } else {
-        Template::render("posts/new", json!({
+        Some(Template::render("posts/new", json!({
             "account": user.to_json(&*conn),
             "instance": Instance::get_local(&*conn),
             "editing": false,
             "errors": null,
             "form": null,
             "is_draft": true,
-        }))
+        })))
     }
 }
 
 #[get("/~/<blog>/<slug>/edit")]
-fn edit(blog: String, slug: String, user: User, conn: DbConn) -> Template {
-    let b = Blog::find_by_fqn(&*conn, blog.to_string());
-    let post = b.clone().and_then(|blog| Post::find_by_slug(&*conn, slug, blog.id)).expect("Post to edit not found");
+fn edit(blog: String, slug: String, user: User, conn: DbConn) -> Option<Template> {
+    let b = Blog::find_by_fqn(&*conn, blog.to_string())?;
+    let post = Post::find_by_slug(&*conn, slug, b.id)?;
 
-    if !user.is_author_in(&*conn, b.clone().unwrap()) {
-        Template::render("errors/403", json!({
+    if !user.is_author_in(&*conn, b) {
+        Some(Template::render("errors/403", json!({// TODO actually return 403 error code
             "error_message": "You are not author in this blog."
-        }))
+        })))
     } else {
-        let source = if post.source.clone().len() > 0 {
-            post.source.clone()
+        let source = if post.source.len() > 0 {
+            post.source
         } else {
-            post.content.clone().get().clone() // fallback to HTML if the markdown was not stored
+            post.content.get().clone() // fallback to HTML if the markdown was not stored
         };
 
-        Template::render("posts/new", json!({
+        Some(Template::render("posts/new", json!({
             "account": user.to_json(&*conn),
             "instance": Instance::get_local(&*conn),
             "editing": true,
@@ -145,14 +146,15 @@ fn edit(blog: String, slug: String, user: User, conn: DbConn) -> Template {
                 draft: true,
             },
             "is_draft": !post.published
-        }))
+        })))
     }
 }
 
 #[post("/~/<blog>/<slug>/edit", data = "<data>")]
-fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientForm<NewPostForm>, worker: State<Pool<ThunkWorker<()>>>) -> Result<Redirect, Template> {
-    let b = Blog::find_by_fqn(&*conn, blog.to_string());
-    let mut post = b.clone().and_then(|blog| Post::find_by_slug(&*conn, slug.clone(), blog.id)).expect("Post to update not found");
+fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientForm<NewPostForm>, worker: State<Pool<ThunkWorker<()>>>)
+    -> Result<Redirect, Option<Template>> {
+    let b = Blog::find_by_fqn(&*conn, blog.to_string()).ok_or(None)?;
+    let mut post = Post::find_by_slug(&*conn, slug.clone(), b.id).ok_or(None)?;
 
     let form = data.get();
     let new_slug = if !post.published {
@@ -167,7 +169,7 @@ fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientFor
     };
 
     if new_slug != slug {
-        if let Some(_) = Post::find_by_slug(&*conn, new_slug.clone(), b.clone().unwrap().id) {
+        if let Some(_) = Post::find_by_slug(&*conn, new_slug.clone(), b.id) {
             errors.add("title", ValidationError {
                 code: Cow::from("existing_slug"),
                 message: Some(Cow::from("A post with the same title already exists.")),
@@ -177,7 +179,7 @@ fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientFor
     }
 
     if errors.is_empty() {
-        if !user.is_author_in(&*conn, b.clone().unwrap()) {
+        if !user.is_author_in(&*conn, b) {
             // actually it's not "Ok"…
             Ok(Redirect::to(uri!(super::blogs::details: name = blog)))
         } else {
@@ -229,14 +231,14 @@ fn update(blog: String, slug: String, user: User, conn: DbConn, data: LenientFor
             Ok(Redirect::to(uri!(details: blog = blog, slug = new_slug)))
         }
     } else {
-        Err(Template::render("posts/new", json!({
+        Err(Some(Template::render("posts/new", json!({
             "account": user.to_json(&*conn),
             "instance": Instance::get_local(&*conn),
             "editing": true,
             "errors": errors.inner(),
             "form": form,
             "is_draft": form.draft,
-        })))
+        }))))
     }
 }
 
@@ -263,8 +265,8 @@ fn valid_slug(title: &str) -> Result<(), ValidationError> {
 }
 
 #[post("/~/<blog_name>/new", data = "<data>")]
-fn create(blog_name: String, data: LenientForm<NewPostForm>, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Result<Redirect, Template> {
-    let blog = Blog::find_by_fqn(&*conn, blog_name.to_string()).unwrap();
+fn create(blog_name: String, data: LenientForm<NewPostForm>, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Result<Redirect, Option<Template>> {
+    let blog = Blog::find_by_fqn(&*conn, blog_name.to_string()).ok_or(None)?;
     let form = data.get();
     let slug = form.title.to_string().to_kebab_case();
 
@@ -331,14 +333,14 @@ fn create(blog_name: String, data: LenientForm<NewPostForm>, user: User, conn: D
             Ok(Redirect::to(uri!(details: blog = blog_name, slug = slug)))
         }
     } else {
-        Err(Template::render("posts/new", json!({
+        Err(Some(Template::render("posts/new", json!({
             "account": user.to_json(&*conn),
             "instance": Instance::get_local(&*conn),
             "editing": false,
             "errors": errors.inner(),
             "form": form,
             "is_draft": form.draft
-        })))
+        }))))
     }
 }
 

src/routes/reshares.rs

@@ -12,9 +12,9 @@ use plume_models::{
 };
 
 #[post("/~/<blog>/<slug>/reshare")]
-fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Redirect {
-    let b = Blog::find_by_fqn(&*conn, blog.clone()).unwrap();
-    let post = Post::find_by_slug(&*conn, slug.clone(), b.id).unwrap();
+fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Pool<ThunkWorker<()>>>) -> Option<Redirect> {
+    let b = Blog::find_by_fqn(&*conn, blog.clone())?;
+    let post = Post::find_by_slug(&*conn, slug.clone(), b.id)?;
 
     if !user.has_reshared(&*conn, &post) {
         let reshare = Reshare::insert(&*conn, NewReshare {
@@ -29,13 +29,14 @@ fn create(blog: String, slug: String, user: User, conn: DbConn, worker: State<Po
         let act = reshare.into_activity(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, act, dest)));
     } else {
-        let reshare = Reshare::find_by_user_on_post(&*conn, user.id, post.id).unwrap();
+        let reshare = Reshare::find_by_user_on_post(&*conn, user.id, post.id)
+            .expect("reshares::create: reshare exist but not found error");
         let delete_act = reshare.delete(&*conn);
         let dest = User::one_by_instance(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, delete_act, dest)));
     }
 
-    Redirect::to(uri!(super::posts::details: blog = blog, slug = slug))
+    Some(Redirect::to(uri!(super::posts::details: blog = blog, slug = slug)))
 }
 
 #[post("/~/<blog>/<slug>/reshare", rank=1)]

src/routes/session.rs

@@ -50,22 +50,23 @@ struct LoginForm {
 fn create(conn: DbConn, data: LenientForm<LoginForm>, flash: Option<FlashMessage>, mut cookies: Cookies) -> Result<Redirect, Template> {
     let form = data.get();
     let user = User::find_by_email(&*conn, form.email_or_name.to_string())
-        .map(|u| Ok(u))
-        .unwrap_or_else(|| User::find_local(&*conn, form.email_or_name.to_string()).map(|u| Ok(u)).unwrap_or(Err(())));
-
+        .or_else(|| User::find_local(&*conn, form.email_or_name.to_string()));
     let mut errors = match form.validate() {
         Ok(_) => ValidationErrors::new(),
         Err(e) => e
     };
-    if let Err(_) = user.clone() {
+    
+    if let Some(user) = user.clone() {
+        if !user.auth(form.password.clone()) {
+            let mut err = ValidationError::new("invalid_login");
+            err.message = Some(Cow::from("Invalid username or password"));
+            errors.add("email_or_name", err)
+        }
+    } else {
         // Fake password verification, only to avoid different login times
         // that could be used to see if an email adress is registered or not
         User::get(&*conn, 1).map(|u| u.auth(form.password.clone()));
 
-        let mut err = ValidationError::new("invalid_login");
-        err.message = Some(Cow::from("Invalid username or password"));
-        errors.add("email_or_name", err)
-    } else if !user.clone().expect("User not found").auth(form.password.clone()) {
         let mut err = ValidationError::new("invalid_login");
         err.message = Some(Cow::from("Invalid username or password"));
         errors.add("email_or_name", err)
@@ -107,7 +108,6 @@ fn create(conn: DbConn, data: LenientForm<LoginForm>, flash: Option<FlashMessage
 
 #[get("/logout")]
 fn delete(mut cookies: Cookies) -> Redirect {
-    let cookie = cookies.get_private(AUTH_COOKIE).unwrap();
-    cookies.remove_private(cookie);
+    cookies.get_private(AUTH_COOKIE).map(|cookie| cookies.remove_private(cookie));
     Redirect::to("/")
 }

src/routes/tags.rs

@@ -10,19 +10,19 @@ use plume_models::{
 use routes::Page;
 
 #[get("/tag/<name>")]
-fn tag(user: Option<User>, conn: DbConn, name: String) -> Template {
+fn tag(user: Option<User>, conn: DbConn, name: String) -> Option<Template> {
     paginated_tag(user, conn, name, Page::first())
 }
 
 #[get("/tag/<name>?<page>")]
-fn paginated_tag(user: Option<User>, conn: DbConn, name: String, page: Page) -> Template {
-    let tag = Tag::find_by_name(&*conn, name).expect("Rendering tags::tag: tag not found");
+fn paginated_tag(user: Option<User>, conn: DbConn, name: String, page: Page) -> Option<Template> {
+    let tag = Tag::find_by_name(&*conn, name)?;
     let posts = Post::list_by_tag(&*conn, tag.tag.clone(), page.limits());
-    Template::render("tags/index", json!({
+    Some(Template::render("tags/index", json!({
         "tag": tag.clone(),
         "account": user.map(|u| u.to_json(&*conn)),
         "articles": posts.into_iter().map(|p| p.to_json(&*conn)).collect::<Vec<serde_json::Value>>(),
         "page": page.page,
         "n_pages": Page::total(Post::count_for_tag(&*conn, tag.tag) as i32)
-    }))
+    })))
 }

src/routes/user.rs

@@ -6,7 +6,7 @@ use activitypub::{
 use atom_syndication::{Entry, FeedBuilder};
 use rocket::{
     request::LenientForm,
-    response::{Redirect, Flash, Content},
+    response::{Content, Flash, Redirect, status},
     http::{ContentType, Cookies}
 };
 use rocket_contrib::Template;
@@ -70,7 +70,7 @@ fn details(name: String, conn: DbConn, account: Option<User>, worker: Worker, fe
             worker.execute(Thunk::of(move || {
                 for user_id in user_clone.fetch_followers_ids() {
                     let follower = User::find_by_ap_url(&*fecth_followers_conn, user_id.clone())
-                        .unwrap_or_else(|| User::fetch_from_url(&*fecth_followers_conn, user_id).expect("Couldn't fetch follower"));
+                        .unwrap_or_else(|| User::fetch_from_url(&*fecth_followers_conn, user_id).expect("user::details: Couldn't fetch follower"));
                     follows::Follow::insert(&*fecth_followers_conn, follows::NewFollow {
                         follower_id: follower.id,
                         following_id: user_clone.id,
@@ -121,8 +121,8 @@ fn dashboard_auth() -> Flash<Redirect> {
 }
 
 #[post("/@/<name>/follow")]
-fn follow(name: String, conn: DbConn, user: User, worker: Worker) -> Redirect {
-    let target = User::find_by_fqn(&*conn, name.clone()).unwrap();
+fn follow(name: String, conn: DbConn, user: User, worker: Worker) -> Option<Redirect> {
+    let target = User::find_by_fqn(&*conn, name.clone())?;
     if let Some(follow) = follows::Follow::find(&*conn, user.id, target.id) {
         let delete_act = follow.delete(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, delete_act, vec![target])));
@@ -137,7 +137,7 @@ fn follow(name: String, conn: DbConn, user: User, worker: Worker) -> Redirect {
         let act = f.into_activity(&*conn);
         worker.execute(Thunk::of(move || broadcast(&user, act, vec![target])));
     }
-    Redirect::to(uri!(details: name = name))
+    Some(Redirect::to(uri!(details: name = name)))
 }
 
 #[post("/@/<name>/follow", rank = 2)]
@@ -176,9 +176,9 @@ fn followers(name: String, conn: DbConn, account: Option<User>) -> Template {
 
 
 #[get("/@/<name>", rank = 1)]
-fn activity_details(name: String, conn: DbConn, _ap: ApRequest) -> ActivityStream<CustomPerson> {
-    let user = User::find_local(&*conn, name).unwrap();
-    ActivityStream::new(user.into_activity(&*conn))
+fn activity_details(name: String, conn: DbConn, _ap: ApRequest) -> Option<ActivityStream<CustomPerson>> {
+    let user = User::find_local(&*conn, name)?;
+    Some(ActivityStream::new(user.into_activity(&*conn)))
 }
 
 #[get("/users/new")]
@@ -228,17 +228,16 @@ fn update(_name: String, conn: DbConn, user: User, data: LenientForm<UpdateUserF
 }
 
 #[post("/@/<name>/delete")]
-fn delete(name: String, conn: DbConn, user: User, mut cookies: Cookies) -> Redirect {
-    let account = User::find_by_fqn(&*conn, name.clone()).unwrap();
+fn delete(name: String, conn: DbConn, user: User, mut cookies: Cookies) -> Option<Redirect> {
+    let account = User::find_by_fqn(&*conn, name.clone())?;
     if user.id == account.id {
         account.delete(&*conn);
 
-        let cookie = cookies.get_private(AUTH_COOKIE).unwrap();
-        cookies.remove_private(cookie);
+        cookies.get_private(AUTH_COOKIE).map(|cookie| cookies.remove_private(cookie));
 
-        Redirect::to(uri!(super::instance::index))
+        Some(Redirect::to(uri!(super::instance::index)))
     } else {
-        Redirect::to(uri!(edit: name = name))
+        Some(Redirect::to(uri!(edit: name = name)))
     }
 }
 
@@ -291,54 +290,54 @@ fn create(conn: DbConn, data: LenientForm<NewUserForm>) -> Result<Redirect, Temp
 }
 
 #[get("/@/<name>/outbox")]
-fn outbox(name: String, conn: DbConn) -> ActivityStream<OrderedCollection> {
-    let user = User::find_local(&*conn, name).unwrap();
-    user.outbox(&*conn)
+fn outbox(name: String, conn: DbConn) -> Option<ActivityStream<OrderedCollection>> {
+    let user = User::find_local(&*conn, name)?;
+    Some(user.outbox(&*conn))
 }
 
 #[post("/@/<name>/inbox", data = "<data>")]
-fn inbox(name: String, conn: DbConn, data: String, headers: Headers) -> String {
-    let user = User::find_local(&*conn, name).unwrap();
-    let act: serde_json::Value = serde_json::from_str(&data[..]).unwrap();
+fn inbox(name: String, conn: DbConn, data: String, headers: Headers) -> Result<String, Option<status::BadRequest<&'static str>>> {
+    let user = User::find_local(&*conn, name).ok_or(None)?;
+    let act: serde_json::Value = serde_json::from_str(&data[..]).expect("user::inbox: deserialization error");
 
     let activity = act.clone();
     let actor_id = activity["actor"].as_str()
-        .unwrap_or_else(|| activity["actor"]["id"].as_str().expect("User: No actor ID for incoming activity, blocks by panicking"));
+        .or_else(|| activity["actor"]["id"].as_str()).ok_or(Some(status::BadRequest(Some("Missing actor id for activity"))))?;
 
-    let actor = User::from_url(&conn, actor_id.to_owned()).unwrap();
+    let actor = User::from_url(&conn, actor_id.to_owned()).expect("user::inbox: user error");
     if !verify_http_headers(&actor, headers.0.clone(), data).is_secure() &&
         !act.clone().verify(&actor) {
         println!("Rejected invalid activity supposedly from {}, with headers {:?}", actor.username, headers.0);
-        return "invalid signature".to_owned();
+        return Err(Some(status::BadRequest(Some("Invalid signature"))));
     }
 
     if Instance::is_blocked(&*conn, actor_id.to_string()) {
-        return String::new();
+        return Ok(String::new());
     }
-    match user.received(&*conn, act) {
+    Ok(match user.received(&*conn, act) {
         Ok(_) => String::new(),
         Err(e) => {
             println!("User inbox error: {}\n{}", e.as_fail(), e.backtrace());
             format!("Error: {}", e.as_fail())
         }
-    }
+    })
 }
 
 #[get("/@/<name>/followers")]
-fn ap_followers(name: String, conn: DbConn, _ap: ApRequest) -> ActivityStream<OrderedCollection> {
-    let user = User::find_local(&*conn, name).unwrap();
+fn ap_followers(name: String, conn: DbConn, _ap: ApRequest) -> Option<ActivityStream<OrderedCollection>> {
+    let user = User::find_local(&*conn, name)?;
     let followers = user.get_followers(&*conn).into_iter().map(|f| Id::new(f.ap_url)).collect::<Vec<Id>>();
 
     let mut coll = OrderedCollection::default();
-    coll.object_props.set_id_string(user.followers_endpoint).expect("Follower collection: id error");
-    coll.collection_props.set_total_items_u64(followers.len() as u64).expect("Follower collection: totalItems error");
-    coll.collection_props.set_items_link_vec(followers).expect("Follower collection: items error");
-    ActivityStream::new(coll)
+    coll.object_props.set_id_string(user.followers_endpoint).expect("user::ap_followers: id error");
+    coll.collection_props.set_total_items_u64(followers.len() as u64).expect("user::ap_followers: totalItems error");
+    coll.collection_props.set_items_link_vec(followers).expect("user::ap_followers items error");
+    Some(ActivityStream::new(coll))
 }
 
 #[get("/@/<name>/atom.xml")]
-fn atom_feed(name: String, conn: DbConn) -> Content<String> {
-    let author = User::find_by_fqn(&*conn, name.clone()).expect("Unable to find author");
+fn atom_feed(name: String, conn: DbConn) -> Option<Content<String>> {
+    let author = User::find_by_fqn(&*conn, name.clone())?;
     let feed = FeedBuilder::default()
         .title(author.display_name.clone())
         .id(Instance::get_local(&*conn).unwrap().compute_box("~", name, "atom.xml"))
@@ -347,6 +346,6 @@ fn atom_feed(name: String, conn: DbConn) -> Content<String> {
             .map(|p| super::post_to_atom(p, &*conn))
             .collect::<Vec<Entry>>())
         .build()
-        .expect("Error building Atom feed");
-    Content(ContentType::new("application", "atom+xml"), feed.to_string())
+        .expect("user::atom_feed: Error building Atom feed");
+    Some(Content(ContentType::new("application", "atom+xml"), feed.to_string()))
 }