add account page

src/dune

@@ -17,6 +17,7 @@
   template
   thread_page
   user
+  user_account
   user_profile)
  (libraries
   bos
@@ -85,6 +86,12 @@
  (action
   (run dream_eml %{deps} --workspace %{workspace_root})))
 
+(rule
+ (targets user_account.ml)
+ (deps user_account.eml.html)
+ (action
+  (run dream_eml %{deps} --workspace %{workspace_root})))
+
 (rule
  (targets user_profile.ml)
  (deps user_profile.eml.html)

src/permap.ml

@@ -20,6 +20,14 @@ let render_unsafe ?title content request =
   in
   Dream.html @@ Template.render_unsafe ~title ~content request
 
+let not_logged_in redirect request =
+  let content =
+    Format.sprintf
+      {|Not logged in, please <a href="/login?redirect=%s">login<a> to access this page|}
+      (Dream.to_percent_encoded redirect)
+  in
+  render_unsafe content request
+
 let asset_loader _root path _request =
   match Content.read ("assets/" ^ path) with
   | None -> Dream.empty `Not_Found
@@ -84,7 +92,7 @@ let admin_get request =
 
 let admin_post request =
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in "/admin" request
   | Some nick -> (
     if not (User.is_admin nick) then Dream.respond ~status:`Forbidden ""
     else
@@ -127,7 +135,7 @@ let delete_get request =
 let delete_post request =
   let post_id = Dream.param request "post_id" in
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in (Format.sprintf "/delete/%s" post_id) request
   | Some nick -> (
     (* match on Dream.form needed for hidden csrf field *)
     match%lwt Dream.form request with
@@ -152,7 +160,7 @@ let report_get request =
 let report_post request =
   let post_id = Dream.param request "post_id" in
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in (Format.sprintf "/report/%s" post_id) request
   | Some nick -> (
     match%lwt Dream.form request with
     | `Ok [ ("reason", reason) ] ->
@@ -182,9 +190,57 @@ let logout request =
   let content = "Logged out !" in
   render_unsafe content request
 
+let account_get request =
+  match Dream.session "nick" request with
+  | None -> not_logged_in "/account" request
+  | Some nick ->
+    let res =
+      match User.get_user nick with
+      | Error e -> e
+      | Ok user -> User_account.f user request
+    in
+    render_unsafe res request
+
+(*TODO ask for password *)
+let account_post request =
+  match Dream.session "nick" request with
+  | None -> not_logged_in "/account" request
+  | Some nick -> (
+    match%lwt Dream.form request with
+    | `Ok [ ("delete", _) ] ->
+      (*TODO ask for confirmation *)
+      let res =
+        Result.fold ~error:Fun.id
+          ~ok:(fun _ -> "Your account was deleted")
+          (User.delete_user nick)
+      in
+      render_unsafe res request
+    | `Ok [ ("email", email) ] ->
+      let res =
+        Result.fold ~error:Fun.id
+          ~ok:(fun _ -> "Your email was updated!")
+          (User.update_email email nick)
+      in
+      render_unsafe res request
+    | `Ok
+        [ ("confirm-new-password", confirm_password)
+        ; ("new-password", password)
+        ] ->
+      let res =
+        if password = confirm_password then
+          Result.fold ~error:Fun.id
+            ~ok:(fun _ -> "Your password was updated!")
+            (User.update_password password nick)
+        else "Password confimation does not match"
+      in
+      render_unsafe res request
+    | `Ok _ | `Many_tokens _ | `Missing_token _ | `Invalid_token _
+    | `Wrong_session _ | `Expired _ | `Wrong_content_type ->
+      Dream.empty `Bad_Request )
+
 let profile_get request =
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in "/profile" request
   | Some nick ->
     let res =
       match User.get_user nick with
@@ -195,7 +251,7 @@ let profile_get request =
 
 let profile_post request =
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in "/profile" request
   | Some nick -> (
     match%lwt Dream.form request with
     | `Ok [ ("bio", bio) ] -> (
@@ -222,9 +278,8 @@ let profile_post request =
             ~headers:[ ("Location", "/profile") ]
             "Your avatar was updated!"
         | Error e -> render_unsafe e request )
-      | `Ok _ -> Dream.empty `Bad_Request
-      | `Expired _ | `Many_tokens _ | `Missing_token _ | `Invalid_token _
-      | `Wrong_session _ | `Wrong_content_type ->
+      | `Ok _ | `Expired _ | `Many_tokens _ | `Missing_token _
+      | `Invalid_token _ | `Wrong_session _ | `Wrong_content_type ->
         Dream.empty `Bad_Request ) )
 
 let avatar_image request =
@@ -261,7 +316,7 @@ let babillard_get request = render_unsafe (Babillard_page.f request) request
 
 let babillard_post request =
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in "/" request
   | Some nick -> (
     match%lwt Dream.multipart request with
     | `Ok
@@ -320,8 +375,9 @@ let thread_get request =
 
 (*form to reply to a thread *)
 let reply_post request =
+  let parent_id = Dream.param request "thread_id" in
   match Dream.session "nick" request with
-  | None -> render_unsafe "Not logged in" request
+  | None -> not_logged_in (Format.sprintf "/thread/%s" parent_id) request
   | Some nick -> (
     match%lwt Dream.multipart request with
     | `Ok
@@ -330,7 +386,6 @@ let reply_post request =
         ; ("reply-comment", [ (_, comment) ])
         ; ("tags", [ (_, tags) ])
         ] -> (
-      let parent_id = Dream.param request "thread_id" in
       let res =
         match file with
         | [] -> Babillard.make_reply ~comment ~tags ~parent_id nick
@@ -371,6 +426,8 @@ let routes =
   [ get_ "/" babillard_get
   ; post "/" babillard_post
   ; get_ "/about" about
+  ; get_ "/account" account_get
+  ; post "/account" account_post
   ; get_ "/admin" admin_get
   ; post "/admin" admin_post
   ; get_ "/assets/**" (Dream.static ~loader:asset_loader "")

src/template.eml.html

@@ -45,6 +45,7 @@ let render_unsafe ~title ~content request =
                               <%s! nick %>
                             </a>
                             <ul class="dropdown-menu dropdown-menu-dark dropdown-menu-end" aria-labelledby="navbarDarkDropdownMenuLink">
+                              <li><a class="dropdown-item" href="/account">Account</a></li>
                               <li><a class="dropdown-item" href="/profile">Your profile</a></li>
                               <li><a class="dropdown-item" href="/logout">Sign out</a></li>
                             </ul>

src/user.ml

@@ -135,18 +135,14 @@ let valid_nick nick =
   && String.length nick > 0
   && Dream.html_escape nick = nick
 
+let valid_password password =
+  String.length password < 128 && String.length password > 0
+
+let valid_email email =
+  match Emile.of_string email with Ok _ -> true | Error _ -> false
+
 let register ~email ~nick ~password =
-  let valid_nick = valid_nick nick in
-
-  let valid_email =
-    match Emile.of_string email with Ok _ -> true | Error _ -> false
-  in
-
-  let valid_password =
-    String.length password < 128 && String.length password > 0
-  in
-
-  let valid = valid_nick && valid_email && valid_password in
+  let valid = valid_nick nick && valid_email email && valid_password password in
 
   let password = Bcrypt.hash password in
   let password = Bcrypt.string_of_hash password in
@@ -235,8 +231,26 @@ let banish nick =
   let^ () = Db.exec Q.upload_banished (nick, email) in
   Ok ()
 
+let delete_user nick =
+  let^ () = Db.exec Q.delete_user nick in
+  Ok ()
+
 let update_display_nick display_nick nick =
   if valid_nick display_nick then
     let^ () = Db.exec Q.update_display_nick (display_nick, nick) in
     Ok ()
   else Error "invalid display nick"
+
+let update_email email nick =
+  if valid_email email then
+    let^ () = Db.exec Q.update_email (email, nick) in
+    Ok ()
+  else Error "invalid email"
+
+let update_password password nick =
+  if valid_password password then
+    let password = Bcrypt.hash password in
+    let password = Bcrypt.string_of_hash password in
+    let^ () = Db.exec Q.update_password (password, nick) in
+    Ok ()
+  else Error "invalid password"

src/user_account.eml.html

@@ -0,0 +1,28 @@
+let f (user: User.t) request =
+  <h1><%s  Format.sprintf "Account settings" %></h1>
+  <h2>Change email</h2>
+  <%s! Dream.form_tag ~action:"/account" request %>
+    <div class="mb-3">
+      <label for="email" class="form-label">Email:</label>
+      <input name="email" type="text" class="form-control" id="email" value="<%s! user.email %>"></input>
+    </div>
+    <button type="submit" class="btn btn-primary">Save</button>
+  </form>
+  <br />
+  <br />
+  <h2>Change password</h2>
+  <%s! Dream.form_tag ~action:"/account" request %>
+    <div class="mb-3">
+      <label for="new-password" class="form-label">New password:</label>
+      <input name="new-password" type="password" class="form-control" id="new-password"></input>
+      <label for="confirm-new-password" class="form-label">Confirm new password:</label>
+      <input name="confirm-new-password" type="password" class="form-control" id="confirm-new-password"></input>
+    </div>
+    <button type="submit" class="btn btn-primary">Save</button>
+  </form>
+  <br />
+  <br />
+  <h2>Delete account</h2>
+  <%s! Dream.form_tag ~action:"/account" request %>
+    <button name="delete" id="delete-button" type="submit" class="btn btn-danger">DELETE ACCOUNT</button>
+  </form>