big squish

This commit is contained in:
Swrup 2024-05-29 19:16:48 +02:00
parent fae867b35b
commit 55d2abefb4
124 changed files with 6931 additions and 8393 deletions

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@ -1,336 +1,115 @@
open Syntax
open Caqti_request.Infix
open Caqti_type
open Types
open Err
type t =
{ user_id : string
; nick : string
; password : string
; email : string
; bio : string
; metadata : (string * string) list
}
let check_nick nick =
let* nick = Validate_str.nick nick in
let* opt = Db_user.find_user_of_nick nick in
match opt with
| None -> Ok nick
| Some _user -> Error (Unprocessable "nick already taken")
let () =
let tables =
[| (unit ->. unit)
"CREATE TABLE IF NOT EXISTS user (user_id TEXT, nick TEXT, password \
TEXT, email TEXT, bio TEXT, PRIMARY KEY(user_id))"
; (unit ->. unit)
"CREATE TABLE IF NOT EXISTS banished (nick TEXT, email TEXT)"
; (unit ->. unit)
"CREATE TABLE IF NOT EXISTS user_metadata (user_id TEXT, metadata \
TEXT, FOREIGN KEY(user_id) REFERENCES user(user_id) ON DELETE \
CASCADE)"
|]
in
if
Array.exists Result.is_error
(Array.map (fun query -> Db.exec query ()) tables)
then Dream.error (fun log -> log "can't create user tables")
module Q = struct
let upload_metadata =
Db.exec
@@ (tup2 string string ->. unit) "INSERT INTO user_metadata VALUES (?, ?)"
let delete_metadata =
Db.exec @@ (string ->. unit) "DELETE FROM user_metadata WHERE user_id=?"
let get_user_id_from_email =
Db.find @@ (string ->! string) "SELECT user_id FROM user WHERE email=?"
let get_password =
Db.find @@ (string ->! string) "SELECT password FROM user WHERE user_id=?"
let is_already_user =
Db.find
@@ (tup2 string string ->! int)
"SELECT EXISTS(SELECT 1 FROM user WHERE nick=? OR email=?)"
let upload_user =
Db.exec
@@ (tup4 string string string (tup2 string string) ->. unit)
"INSERT INTO user VALUES (?, ?, ?, ?, ?)"
let list_nicks = Db.collect_list @@ (unit ->* string) "SELECT nick FROM user"
let get_user =
Db.find
@@ (* there is no "tup6" *)
(string ->! tup4 string string string (tup2 string string))
"SELECT * FROM user WHERE user_id=?"
let update_bio =
Db.exec
@@ (tup2 string string ->. unit) "UPDATE user SET bio=? WHERE user_id=?"
let update_nick =
Db.exec
@@ (tup2 string string ->. unit) "UPDATE user SET nick=? WHERE user_id=?"
let update_email =
Db.exec
@@ (tup2 string string ->. unit) "UPDATE user SET email=? WHERE user_id=?"
let update_password =
Db.exec
@@ (tup2 string string ->. unit)
"UPDATE user SET password=? WHERE user_id=?"
let get_bio =
Db.find @@ (string ->! string) "SELECT bio FROM user WHERE user_id=?"
let get_email =
Db.find @@ (string ->! string) "SELECT email FROM user WHERE user_id=?"
let delete_user =
Db.exec @@ (string ->. unit) "DELETE FROM user WHERE user_id=?"
let upload_banished =
Db.exec @@ (tup2 string string ->. unit) "INSERT INTO banished VALUES (?,?)"
let get_banished =
Db.find
@@ (tup2 string string ->! tup2 string string)
"SELECT * FROM banished WHERE nick=? OR email=?"
end
let get_nick =
Db.find @@ (string ->! string) "SELECT nick FROM user WHERE user_id=?"
let get_id_from_nick =
Db.find @@ (string ->! string) "SELECT user_id FROM user WHERE nick=?"
let exist id = Result.is_ok (Q.get_user id)
let exist_nick nick = Result.is_ok (get_id_from_nick nick)
let exist_email email = Result.is_ok (Q.get_user_id_from_email email)
let get_metadata =
let query =
Db.find
@@ (string ->! string) "SELECT metadata FROM user_metadata WHERE user_id=?"
in
fun nick ->
let* metadata = query nick in
let metadata : (string * string) list = Marshal.from_string metadata 0 in
Ok metadata
let check_email email =
let* email = Validate_str.email email in
match Emile.of_string (email :> string) with
| Error _ -> Error (Unprocessable "invalid email format")
| Ok _ -> (
let* opt = Db_user.find_user_of_email email in
match opt with
| None -> Ok email
| Some _user -> Error (Unprocessable "email already taken") )
let get_user user_id =
let* user_id, nick, password, (email, bio) = Q.get_user user_id in
let* metadata = get_metadata user_id in
Ok { user_id; nick; password; email; bio; metadata }
let* opt = Db_user.find_user user_id in
match opt with None -> Error (Not_found_user user_id) | Some o -> Ok o
let is_banished login = Result.is_ok (Q.get_banished (login, login))
let get_user_private user_id =
let* opt = Db_user.find_user_private user_id in
match opt with None -> Error (Not_found_user user_id) | Some o -> Ok o
let login ~login ~password request =
let try_password user_id =
let* good_password = Q.get_password user_id in
if Bcrypt.verify password (Bcrypt.hash_of_string good_password) then
let _unit_lwt = Dream.invalidate_session request in
let _unit_lwt = Dream.put_session "user_id" user_id request in
let* nick = get_nick user_id in
let _unit_lwt = Dream.put_session "nick" nick request in
Ok ()
else if is_banished login then Error "YOU ARE BANISHED"
else Error "wrong password"
(* login can be nick or email *)
let login ~login ~password =
let f find s =
let* opt = find s in
match opt with
| None -> Ok None
| Some user ->
let* good_password = Db_user.get_password_hash user.user_id in
if Bcrypt.verify password (Bcrypt.hash_of_string good_password) then
let* opt = Db_user.find_user_private user.user_id in
match opt with
| None ->
Error
(Internal (Db_not_found (Fmt.str "user_private `%s`" user.user_id)))
| Some o -> Ok (Some o)
else Error (Unauthorized_login login)
in
let id_from_nick = get_id_from_nick login in
let id_from_email = Q.get_user_id_from_email login in
let user_id_list =
List.filter_map Result.to_option [ id_from_nick; id_from_email ]
(* assume login is nick *)
let* opt =
match Validate_str.nick login with
| Error _ -> Ok None
| Ok nick -> f Db_user.find_user_of_nick nick
in
try
List.iter
(fun id -> if Result.is_ok @@ try_password id then raise Exit)
user_id_list;
Error "invalid login"
with Exit -> Ok ()
let valid_nick nick =
String.length nick < 64
&& 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 = Result.is_ok @@ Emile.of_string email
match opt with
| Some u -> Ok u
| None -> (
(* assume login is email *)
let* email = Validate_str.email login in
let* opt = f Db_user.find_user_of_email email in
match opt with Some u -> Ok u | None -> Error (Unauthorized_login login) )
let register ~email ~nick ~password =
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
if not valid then Error "Something is wrong"
else
let* nb = Q.is_already_user (nick, email) in
if nb = 0 then
let user_id = Uuidm.to_string (Uuidm.v4_gen App.random_state ()) in
let* () = Q.upload_user (user_id, nick, password, (email, "")) in
Q.upload_metadata (user_id, Marshal.to_string [] [])
else Error "nick or email already exists"
let list () =
let* users = Q.list_nicks () in
Ok
(Format.asprintf "<ul>%a</ul>"
(Format.pp_print_list (fun fmt -> function
| s -> Format.fprintf fmt {|<li><a href="/user/%s">%s</a></li>|} s s )
)
users )
let profile request =
match Dream.session "nick" request with
| None -> "not logged in"
| Some nick -> Format.sprintf "Hello %s !" nick
let update_bio bio user_id =
let bio = Dream.html_escape bio in
let valid = String.length bio < 10000 in
if not valid then Error "Not biologic" else Q.update_bio (bio, user_id)
let upload_avatar files user_id =
match files with
| [] -> Error "No file provided"
| [ (name_opt, content) ] ->
let* image = Image.make_image (name_opt, "avatar", content) in
let* () = Image.upload_avatar image user_id in
Ok ()
| _files -> Error "More than one file provided"
let is_admin user_id =
match get_nick user_id with
| Error _e -> false
| Ok nick -> List.mem nick App.admins
let banish user_id =
let* nick = get_nick user_id in
let* email = Q.get_email user_id in
let* () = Q.delete_user user_id in
Q.upload_banished (nick, email)
let delete_user user_id = Q.delete_user user_id
let update_nick nick user_id =
if valid_nick nick then
if not (exist_nick nick) then Q.update_nick (nick, user_id)
else Error "nick already taken"
else Error "invalid nick"
let update_email email user_id =
if valid_email email then
if not (exist_email email) then Q.update_email (email, user_id)
else Error "email already taken"
else Error "invalid email"
let update_password password user_id =
if valid_password password then
let password = Bcrypt.hash password |> Bcrypt.string_of_hash in
Q.update_password (password, user_id)
else Error "invalid password"
let update_metadata count label content user_id =
let label = Dream.html_escape label in
let content = Dream.html_escape content in
if String.length label > 200 || String.length content > 400 then
Error "label or content is too long"
else
let* metadata = get_metadata user_id in
let length = List.length metadata in
if count < 0 || count > length then Error "invalid count"
else
let n = max (count + 1) @@ length in
let metadata = Array.of_list metadata in
let metadata =
List.init n (fun i ->
if i = count then (label, content) else metadata.(i) )
in
let metadata =
List.filter (fun (l, c) -> not (l = "" && c = "")) metadata
in
if List.length metadata >= 42 then Error "to many metadata"
else
let s = Marshal.to_string metadata [] in
let* () = Q.delete_metadata user_id in
Q.upload_metadata (user_id, s)
let pp_metadata fmt (label, content) =
Format.fprintf fmt
{|
<div class="row">
<div class="col metadata-label">%s</div>
<div class="col metadata-content">%s</div>
</div>
|}
label content
let pp_metadata_form fmt is_last count (label, content) request =
let form_tag = Dream.form_tag ~action:"/profile" request in
let button_text = if is_last then "Add" else "Save" in
Format.fprintf fmt
{|
<div class="row">
%s
<input name="label" class="metadata-label" value="%s"/>
<input name="content" class="metadata-content" value="%s"/>
<button name="count" value="%d" type="submit" class="btn btn-primary">%s</button>
</form>
</div>
|}
form_tag label content count button_text
let pp_metadata_table fmt metadata =
Format.fprintf fmt
{|
<div class="metadata-table">
%a
</div>
|}
(Format.pp_print_list ~pp_sep:Format.pp_print_space pp_metadata)
metadata
let pp_metadata_table_form fmt metadata request =
let l = List.mapi (fun i e -> (i, e)) metadata in
Format.fprintf fmt
{|
<div class="metadata-form-table">
%a
%a
</div>
|}
(Format.pp_print_list ~pp_sep:Format.pp_print_space
(fun fmt (count, metadata) ->
pp_metadata_form fmt false count metadata request ) )
l
(fun fmt (count, metadata) ->
pp_metadata_form fmt true count metadata request )
(List.length l, ("", ""))
let public_profile user_id =
let* user = get_user user_id in
let user_info =
Format.asprintf
{|
<h1>%s</h1>
<br />
<div class="row">
<div class="col-md-6">
<blockquote>%s</blockquote>
</div>
<div class="col-md-6">
<img src="/user/%s/avatar" class="img-thumbnail" alt="Your avatar picture">
</div>
<a href="/discuss/%s">Speak to me !</a>
<div class="col-md-6">
%a
</div>
</div>
|}
user.nick user.bio user.nick user_id pp_metadata_table user.metadata
let* password = Validate_str.password password in
let* nick = check_nick nick in
let* email = check_email email in
let* () =
let* opt1 = Db_user.find_user_of_nick nick in
let* opt2 = Db_user.find_user_of_email email in
let loggin_not_taken = Option.is_none opt1 && Option.is_none opt2 in
if loggin_not_taken then Ok ()
else Error (Unprocessable "nick or email already taken")
in
Ok user_info
let password_hash =
Bcrypt.hash (password :> string) |> Bcrypt.string_of_hash
in
Db_user.add_user ~email ~nick ~password_hash
let delete_user user_id = Db_user.delete_user user_id
let update_bio user_id bio =
let* bio = Validate_str.bio bio in
Db_user.update_bio user_id bio
let update_nick user_id nick =
let* nick = check_nick nick in
Db_user.update_nick user_id nick
let update_email user_id email =
let* email = check_email email in
Db_user.update_email user_id email
let update_password user_id password =
let* password = Validate_str.password password in
let password_hash =
Bcrypt.hash (password :> string) |> Bcrypt.string_of_hash
in
Db_user.update_password_hash user_id password_hash
let get_image user_id =
let default_avatar_path = "/img/default_avatar.png" in
let* opt = Db_image.U.data user_id in
match opt with
| Some data -> Ok data
| None -> (
match Assets.read default_avatar_path with
| None -> Error (Internal (Db_not_found "can not find default avatar file"))
| Some avatar -> Ok avatar )
(* TODO sql : rm image db functor, handle avatar image and transaction in db_user *)
let upload_avatar user_id (name_opt, alt, content) =
let name = Option.value ~default:"" name_opt in
let* image = Image.build ~name ~alt content in
Caqti_db.Db.do_transaction @@ fun () -> Db_image.U.upload user_id image
let delete_avatar user_id =
Caqti_db.Db.do_transaction @@ fun () -> Db_image.U.delete user_id