cafe-grader-web Commit - r770:572d003cd44c

cafe-grader-web

Commit `r770:572d003cd44c` public

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Description:

authenticates through programming.in.th

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[Not Reviewed]

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r770:572d003cd44c - Tue, 13 Aug 2019 17:05:01 - 3 files changed: 59 inserted, 1 deleted

lib/programming_authenticator.rb created 644 ¶ +33

@@ -0,0 +1,33
	1	+ # Authentication and user imports through programming.in.th web request
	2	+ require 'net/http'
	3	+ require 'uri'
	4	+ require 'json'
	5	+
	6	+ class ProgrammingAuthenticator
	7	+ PROGRAMMING_AUTHEN_URL = "https://programming.in.th/authen.php"
	8	+
	9	+ def find_or_create_user(result)
	10	+ user = User.find_by(login: result['username'])
	11	+ if not user
	12	+ user = User.new(login: result['username'],
	13	+ full_name: result['firstname'] + ' ' + result['surname'],
	14	+ alias: result['display'],
	15	+ email: result['email'])
	16	+ user.password = User.random_password
	17	+ user.save
	18	+ end
	19	+ return user
	20	+ end
	21	+
	22	+ def authenticate(login, password)
	23	+ uri = URI(PROGRAMMING_AUTHEN_URL)
	24	+ result = Net::HTTP.post_form(uri, 'username' => login, 'password' => password)
	25	+ request_result = JSON.parse(result.body)
	26	+
	27	+ if request_result.fetch('status', 'incorrect') == 'OK'
	28	+ return find_or_create_user(request_result)
	29	+ else
	30	+ return nil
	31	+ end
	32	+ end
	33	+ end

app/controllers/login_controller.rb ¶ +23 -1

               class LoginController < ApplicationController
+            +   @@authenticators = []
+            +
                 def index
                   # show login screen
                   reset_session
                   redirect_to :controller => 'main', :action => 'login'
                 end
                 def login
-            -     user = User.authenticate(params[:login], params[:password])
+            +     user = get_authenticated_user(params[:login], params[:password])
                   unless user
                     flash[:notice] = 'Wrong password'
                     redirect_to :controller => 'main', :action => 'login'
                     return
                   end
                   if (!GraderConfiguration['right.bypass_agreement']) and (!params[:accept_agree]) and !user.admin?
                     flash[:notice] = 'You must accept the agreement before logging in'
                     redirect_to :controller => 'main', :action => 'login'
                     return
                   end
                     flash[:notice] = 'Wrong site'
                     redirect_to :controller => 'main', :action => 'login'  and return
                   end
                   if (site.password) and (site.password == params[:login][:password])
                     session[:site_id] = site.id
                     redirect_to :controller => 'site', :action => 'index'
                   else
                     flash[:notice] = 'Wrong site password'
                     redirect_to :controller => 'site', :action => 'login'
                   end
                 end
+            +   def self.add_authenticator(authenticator)
+            +     @@authenticators << authenticator
+            +   end
+            +
+            +   protected
+            +
+            +   def get_authenticated_user(login, password)
+            +     if @@authenticators.empty?
+            +       return User.authenticate(login, password)
+            +     else
+            +       user = nil
+            +       @@authenticators.each do |authenticator|
+            +         if not user
+            +           user = authenticator.authenticate(login, password)
+            +         end
+            +       end
+            +       return user
+            +     end
+            +   end
+            +
               end

config/initializers/cafe_grader_config.rb.SAMPLE ¶ +3

               # This is mainly for Code Jom contest.
               ALLOW_TEST_PAIR_IMPORT = false
               # Uncomment so that the system validates user e-mails
               # VALIDATE_USER_EMAILS = true
               # Uncomment so that Apache X-Sendfile is used when delivering files
               # (e.g., in /tasks/view).
               # USE_APACHE_XSENDFILE = true
               # Uncomment so that configuration is read only once when the server is loaded
               # CONFIGURATION_CACHE_ENABLED = true
+            +
+            + # Uncomment to allow authentication and user import from programming.in.th
+            + # LoginController.add_authenticator(ProgrammingAuthenticator.new)

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r770:572d003cd44c - Tue, 13 Aug 2019 17:05:01 - 3 files changed: 59 inserted, 1 deleted

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r770:572d003cd44c - Tue, 13 Aug 2019 17:05:01 - 3 files changed: 59 inserted, 1 deleted

Commit `r770:572d003cd44c` public