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server/client - rate limiting for threads/replies

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Mitchell Gerber
2018-01-22 22:03:22 -06:00
parent adbe3c6857
commit 66dd5d5b9a
4 changed files with 44 additions and 10 deletions
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13
lib/myapp_web/controllers/reply_controller.ex
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@@ -2,6 +2,7 @@ defmodule MyAppWeb.ReplyController do
use MyAppWeb, :controller
alias MyAppWeb.Response
alias MyApp.Data
alias MyApp.RateLimiter
@spec insert(map, map) :: any
def insert(conn, params) do
@@ -9,10 +10,14 @@ defmodule MyAppWeb.ReplyController do
|> MyApp.Guardian.Plug.current_claims
|> Map.get("id")
{output, status} = params
|> Map.put("user_id", user_id)
|> Data.Reply.insert
|> Response.put_resp
{output, status} = case RateLimiter.limit(RateLimiter.new_reply_key, user_id, 60) do
{:ok, _} -> params
|> Map.put("user_id", user_id)
|> Data.Reply.insert
|> Response.put_resp
{:error, error} -> {error, 429}
end
conn
|> put_status(status)

13
lib/myapp_web/controllers/thread_controller.ex
View File

@@ -2,6 +2,7 @@ defmodule MyAppWeb.ThreadController do
use MyAppWeb, :controller
alias MyAppWeb.Response
alias MyApp.Data
alias MyApp.RateLimiter
@spec insert(map, map) :: any
def insert(conn, params) do
@@ -9,10 +10,14 @@ defmodule MyAppWeb.ThreadController do
|> MyApp.Guardian.Plug.current_claims
|> Map.get("id")
{output, status} = params
|> Map.put("user_id", user_id)
|> Data.Thread.insert
|> Response.put_resp
# every 5 minutes user can submit new thread
{output, status} = case RateLimiter.limit(RateLimiter.new_thread_key, user_id, 300) do
{:ok, _} -> params
|> Map.put("user_id", user_id)
|> Data.Thread.insert
|> Response.put_resp
{:error, error} -> {error, 429}
end
conn
|> put_status(status)