discourse/spec/integration/facebook_omniauth_spec.rb

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# frozen_string_literal: true
describe "Facebook OAuth2" do
let(:access_token) { "facebook_access_token_448" }
let(:app_id) { "432489234823984" }
let(:app_secret) { "adddcccdddd99922" }
let(:temp_code) { "facebook_temp_code_544254" }
let(:appsecret_proof) do
OpenSSL::HMAC.hexdigest(OpenSSL::Digest::SHA256.new, app_secret, access_token)
end
fab!(:user1) { Fabricate(:user) }
def setup_facebook_email_stub(email:)
body = {
id: "4923489839597234",
name: "Robot Lizard",
first_name: "Robot",
last_name: "Lizard",
}
body[:email] = email if email
stub_request(
:get,
"https://graph.facebook.com/v5.0/me?appsecret_proof=#{appsecret_proof}&fields=name,first_name,last_name,email",
).with(headers: { "Authorization" => "OAuth #{access_token}" }).to_return(
status: 200,
body: JSON.dump(body),
headers: {
"Content-Type" => "application/json",
},
)
end
before do
SiteSetting.enable_facebook_logins = true
SiteSetting.facebook_app_id = app_id
SiteSetting.facebook_app_secret = app_secret
stub_request(:post, "https://graph.facebook.com/v5.0/oauth/access_token").with(
body:
hash_including(
"client_id" => app_id,
"client_secret" => app_secret,
"code" => temp_code,
"grant_type" => "authorization_code",
"redirect_uri" => "http://test.localhost/auth/facebook/callback",
),
).to_return(
status: 200,
body:
Rack::Utils.build_query(access_token: access_token, scope: "email", token_type: "Bearer"),
headers: {
"Content-Type" => "application/x-www-form-urlencoded",
},
)
end
it "signs in the user if the API response from facebook includes an email (implies it's verified) and the email matches an existing user's" do
post "/auth/facebook"
expect(response.status).to eq(302)
expect(response.location).to start_with("https://www.facebook.com/v5.0/dialog/oauth")
setup_facebook_email_stub(email: user1.email)
post "/auth/facebook/callback", params: { state: session["omniauth.state"], code: temp_code }
expect(response.status).to eq(302)
expect(response.location).to eq("http://test.localhost/")
expect(session[:current_user_id]).to eq(user1.id)
end
it "doesn't sign in anyone if the API response from facebook doesn't include an email (implying the user's email on facebook isn't verified)" do
post "/auth/facebook"
expect(response.status).to eq(302)
expect(response.location).to start_with("https://www.facebook.com/v5.0/dialog/oauth")
setup_facebook_email_stub(email: nil)
post "/auth/facebook/callback", params: { state: session["omniauth.state"], code: temp_code }
expect(response.status).to eq(302)
expect(response.location).to eq("http://test.localhost/")
expect(session[:current_user_id]).to be_blank
end
end