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[rails.git] / app / controllers / application.rb

diff --git a/app/controllers/application.rb b/app/controllers/application.rb
index 537de40d7e3bdf68fa3816f217b9b9c997060db5..9d4749a0ddf5c04a9a48525ae4289e4fa8de415d 100644 (file)
--- a/app/controllers/application.rb
+++ b/app/controllers/application.rb
@@ -1,4 +1,56 @@
 # Filters added to this controller will be run for all controllers in the application.
 # Likewise, all the methods added will be available for all controllers.
 class ApplicationController < ActionController::Base
 # Filters added to this controller will be run for all controllers in the application.
 # Likewise, all the methods added will be available for all controllers.
 class ApplicationController < ActionController::Base

-end
\ No newline at end of file
+
+  def authorize_web
+    @user = User.find_by_token(session[:token])
+  end
+
+  def require_user
+    redirect_to :controller => 'user', :action => 'login' unless @user
+  end
+
+  def authorize(realm='Web Password', errormessage="Could't authenticate you") \r
+    username, passwd = get_auth_data # parse from headers\r
+    # authenticate per-scheme
+    if username.nil?\r
+      @user = nil # no authentication provided - perhaps first connect (client should retry after 401)\r
+    elsif username == 'token' \r
+      @user = User.authenticate_token(passwd) # preferred - random token for user from db, passed in basic auth\r
+    else\r
+      @user = User.authenticate(username, passwd) # basic auth\r
+    end\r
+    \r
+    # handle authenticate pass/fail\r
+    if @user
+      # user exists and password is correct ... horray! 
+      if @user.methods.include? 'lastlogin'         # note last login 
+        @session['lastlogin'] = user.lastlogin 
+        @user.last.login = Time.now 
+        @user.save() 
+        @session["User.id"] = @user.id 
+      end             
+    else 
+      # no auth, the user does not exist or the password was wrong
+      response.headers["Status"] = "Unauthorized" 
+      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" 
+      render_text(errormessage, 401) # :unauthorized
+    end 
+  end 
+
+  # extract authorisation credentials from headers, returns user = nil if none\r
+  private 
+  def get_auth_data 
+    if request.env.has_key? 'X-HTTP_AUTHORIZATION'          # where mod_rewrite might have put it 
+      authdata = request.env['X-HTTP_AUTHORIZATION'].to_s.split 
+    elsif request.env.has_key? 'HTTP_AUTHORIZATION'         # regular location
+      authdata = request.env['HTTP_AUTHORIZATION'].to_s.split
+    end 
+    # only basic authentication supported
+    if authdata and authdata[0] == 'Basic' 
+      user, pass = Base64.decode64(authdata[1]).split(':')[0..1] 
+    end \r
+    return [user, pass] 
+  end 
+
+end