This is a Elixir lib for generating captcha. No dependencies. It drawing captcha image with C code. No ImageMagick, No RMagick.
C code come from: https://github.com/huacnlee/rucaptcha
If available in Hex, the package can be installed as:
- Add
captchato your list of dependencies inmix.exs:
```elixir
def deps do
[{:captcha, "~> 0.1.0"}]
end
```
- Ensure
captchais started before your application:
```elixir
def application do
[applications: [:captcha]]
end
```
# allow customize receive timeout, default: 10_000
case Captcha.get() do
{:ok, text, img_binary } ->
# save text in session, then send img to client
{:timeout} ->
# log some error
end