Setup project.

.gitignore

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 /deps
 erl_crash.dump
 *.ez
+/docs
+/doc
+

.travis.yml

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+sudo: false
+language: elixir
+elixir:
+  - 1.4.2
+otp_release:
+  - 19.3
+install:
+  - mix local.rebar --force # for Elixir 1.3.0 and up
+  - mix local.hex --force
+  - mix deps.get
+after_script:
+  - MIX_ENV=test mix do deps.get, compile, inch.report, coveralls.travis
+cache:
+  directories:
+    - _build
+    - deps

README.md

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+# Überauth Steam
+
+[![Hex.pm](https://img.shields.io/hexpm/v/ueberauth_steam.svg "Hex")](https://hex.pm/packages/ueberauth_steam)
+[![Build Status](https://travis-ci.org/shinyscorpion/ueberauth_steam.svg?branch=master)](https://travis-ci.org/shinyscorpion/ueberauth_steam)
+[![Coverage Status](https://coveralls.io/repos/github/shinyscorpion/ueberauth_steam/badge.svg?branch=master)](https://coveralls.io/github/shinyscorpion/ueberauth_steam?branch=master)
+[![Inline docs](http://inch-ci.org/github/shinyscorpion/ueberauth_steam.svg?branch=master)](http://inch-ci.org/github/shinyscorpion/ueberauth_steam)
+[![Deps Status](https://beta.hexfaktor.org/badge/all/github/shinyscorpion/ueberauth_steam.svg)](https://beta.hexfaktor.org/github/shinyscorpion/ueberauth_steam)
+[![Hex.pm](https://img.shields.io/hexpm/l/ueberauth_steam.svg "License")](LICENSE)
+
+> Steam OpenID strategy for Überauth.
+
+## Installation
+
+1. Obtain an Steam Web API Key at [Steam Dev](https://steamcommunity.com/login/home/?goto=%2Fdev%2Fapikey).
+
+1. Add `:ueberauth_steam` to your list of dependencies in `mix.exs`:
+
+    ```elixir
+    def deps do
+      [{:ueberauth_steam, "~> 0.1"}]
+    end
+    ```
+
+1. Add the strategy to your applications:
+
+    ```elixir
+    def application do
+      [applications: [:ueberauth_steam]]
+    end
+    ```
+
+1. Add Steam to your Überauth configuration:
+
+    ```elixir
+    config :ueberauth, Ueberauth,
+      providers: [
+        steam: {Ueberauth.Strategy.Steam, []}
+      ]
+    ```
+
+1.  Update your provider configuration:
+
+    ```elixir
+    config :ueberauth, Ueberauth.Strategy.Steam,
+      api_key: System.get_env("STEAM_API_KEY")
+    ```
+
+1.  Include the Überauth plug in your controller:
+
+    ```elixir
+    defmodule MyApp.AuthController do
+      use MyApp.Web, :controller
+      plug Ueberauth
+      ...
+    end
+    ```
+
+1.  Create the request and callback routes if you haven't already:
+
+    ```elixir
+    scope "/auth", MyApp do
+      pipe_through :browser
+
+      get "/:provider", AuthController, :request
+      get "/:provider/callback", AuthController, :callback
+    end
+    ```
+
+1. Your controller needs to implement callbacks to deal with `Ueberauth.Auth` and `Ueberauth.Failure` responses.
+
+For an example implementation see the [Überauth Example](https://github.com/ueberauth/ueberauth_example) application.
+
+## Calling
+
+Depending on the configured URL you can initialize the request through:
+
+    /auth/steam
+
+## License
+
+Please see [LICENSE](LICENSE) for licensing details.

config/config.exs

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+use Mix.Config

coveralls.json

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+{
+  "skip_files": [
+  ],
+  "coverage_options": {
+    "minimum_coverage": 100
+  }
+}

lib/ueberauth_steam.ex

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+defmodule UeberauthSteam do
+  @moduledoc ~S"""
+  Steam OpenID for Überauth.
+  """
+end

mix.exs

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+defmodule UeberauthSteam.Mixfile do
+  use Mix.Project
+
+  def project do
+    [
+      app: :ueberauth_steam,
+      description: "Steam OpenID Strategy for Überauth.",
+      version: "0.1.0",
+      elixir: "~> 1.4",
+      build_embedded: Mix.env == :prod,
+      start_permanent: Mix.env == :prod,
+      deps: deps(),
+      package: package(),
+
+      # Testing
+      test_coverage: [tool: ExCoveralls],
+      preferred_cli_env: ["coveralls": :test, "coveralls.detail": :test, "coveralls.post": :test, "coveralls.html": :test],
+      dialyzer: [ignore_warnings: "dialyzer.ignore-warnings"],
+
+      # Docs
+      name: "Überauth Steam",
+      source_url: "https://github.com/shinyscorpion/ueberauth_steam",
+      homepage_url: "https://github.com/shinyscorpion/ueberauth_steam",
+      docs: [
+        main: "readme",
+        extras: ["README.md"],
+      ],
+    ]
+  end
+
+  def package do
+    [
+      name: :ueberauth_steam,
+      maintainers: ["Ian Luites"],
+      licenses: ["MIT"],
+      files: [
+        "lib/ueberauth", "lib/ueberauth_steam.ex", "mix.exs", "README*", "LICENSE*", # Elixir
+      ],
+      links: %{
+        "GitHub" => "https://github.com/shinyscorpion/ueberauth_steam",
+      },
+    ]
+  end
+
+  def application do
+    [extra_applications: [:logger]]
+  end
+
+  defp deps do
+    [
+      # Dependencies
+      {:httpoison, "~> 0.11"},
+      {:poison, "~> 3.1"},
+      {:ueberauth, "~> 0.4"},
+
+      # Testing
+      {:meck, "~> 0.8.4", only: :test},
+
+      # Code Maintenance
+      {:credo, "~> 0.7", only: [:dev, :test]},
+      {:dialyxir, "~> 0.5", only: [:dev], runtime: false},
+      {:ex_doc, "~> 0.15", only: :dev},
+      {:excoveralls, "~> 0.6", only: :test},
+      {:inch_ex, "~> 0.5", only: [:dev, :test]},
+    ]
+  end
+end

mix.lock

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+%{"bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], []},
+  "certifi": {:hex, :certifi, "1.1.0", "c9b71a547016c2528a590ccfc28de786c7edb74aafa17446b84f54e04efc00ee", [:rebar3], []},
+  "credo": {:hex, :credo, "0.7.4", "0c33bcce4d574ce6df163cbc7d1ecb22de65713184355bd3be81cc4ab0ecaafa", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, optional: false]}]},
+  "dialyxir": {:hex, :dialyxir, "0.5.0", "5bc543f9c28ecd51b99cc1a685a3c2a1a93216990347f259406a910cf048d1d7", [:mix], []},
+  "earmark": {:hex, :earmark, "1.2.1", "7ad3f203ab84d31832814483c834e006cf88949f061a4b50d7e783147572280f", [:mix], []},
+  "ex_doc": {:hex, :ex_doc, "0.15.1", "d5f9d588fd802152516fccfdb96d6073753f77314fcfee892b15b6724ca0d596", [:mix], [{:earmark, "~> 1.1", [hex: :earmark, optional: false]}]},
+  "excoveralls": {:hex, :excoveralls, "0.6.3", "894bf9254890a4aac1d1165da08145a72700ff42d8cb6ce8195a584cb2a4b374", [:mix], [{:exjsx, "~> 3.0", [hex: :exjsx, optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, optional: false]}]},
+  "exjsx": {:hex, :exjsx, "3.2.1", "1bc5bf1e4fd249104178f0885030bcd75a4526f4d2a1e976f4b428d347614f0f", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, optional: false]}]},
+  "hackney": {:hex, :hackney, "1.8.0", "8388a22f4e7eb04d171f2cf0285b217410f266d6c13a4c397a6c22ab823a486c", [:rebar3], [{:certifi, "1.1.0", [hex: :certifi, optional: false]}, {:idna, "4.0.0", [hex: :idna, optional: false]}, {:metrics, "1.0.1", [hex: :metrics, optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, optional: false]}]},
+  "httpoison": {:hex, :httpoison, "0.11.2", "9e59f17a473ef6948f63c51db07320477bad8ba88cf1df60a3eee01150306665", [:mix], [{:hackney, "~> 1.8.0", [hex: :hackney, optional: false]}]},
+  "idna": {:hex, :idna, "4.0.0", "10aaa9f79d0b12cf0def53038547855b91144f1bfcc0ec73494f38bb7b9c4961", [:rebar3], []},
+  "inch_ex": {:hex, :inch_ex, "0.5.6", "418357418a553baa6d04eccd1b44171936817db61f4c0840112b420b8e378e67", [:mix], [{:poison, "~> 1.5 or ~> 2.0 or ~> 3.0", [hex: :poison, optional: false]}]},
+  "jsx": {:hex, :jsx, "2.8.2", "7acc7d785b5abe8a6e9adbde926a24e481f29956dd8b4df49e3e4e7bcc92a018", [:mix, :rebar3], []},
+  "meck": {:hex, :meck, "0.8.4", "59ca1cd971372aa223138efcf9b29475bde299e1953046a0c727184790ab1520", [:make, :rebar], []},
+  "metrics": {:hex, :metrics, "1.0.1", "25f094dea2cda98213cecc3aeff09e940299d950904393b2a29d191c346a8486", [:rebar3], []},
+  "mime": {:hex, :mime, "1.1.0", "01c1d6f4083d8aa5c7b8c246ade95139620ef8effb009edde934e0ec3b28090a", [:mix], []},
+  "mimerl": {:hex, :mimerl, "1.0.2", "993f9b0e084083405ed8252b99460c4f0563e41729ab42d9074fd5e52439be88", [:rebar3], []},
+  "oauth2": {:hex, :oauth2, "0.9.1", "cac86d87f35ec835bfe4c791263bdb88c0d8bf1617d64f555ede4e9d913e35ef", [:mix], [{:hackney, "~> 1.7", [hex: :hackney, optional: false]}]},
+  "plug": {:hex, :plug, "1.3.5", "7503bfcd7091df2a9761ef8cecea666d1f2cc454cbbaf0afa0b6e259203b7031", [:mix], [{:cowboy, "~> 1.0.1 or ~> 1.1", [hex: :cowboy, optional: true]}, {:mime, "~> 1.0", [hex: :mime, optional: false]}]},
+  "poison": {:hex, :poison, "3.1.0", "d9eb636610e096f86f25d9a46f35a9facac35609a7591b3be3326e99a0484665", [:mix], []},
+  "ssl_verify_fun": {:hex, :ssl_verify_fun, "1.1.1", "28a4d65b7f59893bc2c7de786dec1e1555bd742d336043fe644ae956c3497fbe", [:make, :rebar], []},
+  "ueberauth": {:hex, :ueberauth, "0.4.0", "bc72d5e5a7bdcbfcf28a756e34630816edabc926303bdce7e171f7ac7ffa4f91", [:mix], [{:plug, "~> 1.2", [hex: :plug, optional: false]}]}}

test/test_helper.exs

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+ExUnit.start()