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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 478810dfc21d40448410662adf82179a2e0d60be..89388c0bbf044db798f9c2f2258a61ca1cd25258 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -22,18 +22,17 @@ class ApiController < ApplicationController
         #
         # As a workaround, and for back compatibility, default to XML format.
         mimetypes = begin
-                      Mime::Type.parse(accept_header)
-                    rescue Mime::Type::InvalidMimeType
-                      Array(Mime[:xml])
-                    end
+          Mime::Type.parse(accept_header)
+        rescue Mime::Type::InvalidMimeType
+          Array(Mime[:xml])
+        end
 
         # Allow XML and JSON formats, and treat an all formats wildcard
         # as XML for backwards compatibility - all other formats are discarded
         # which will result in a 406 Not Acceptable response being sent
         formats = mimetypes.map do |mime|
-          if mime.symbol == :xml then :xml
+          if mime.symbol == :xml || mime == "*/*" then :xml
           elsif mime.symbol == :json then :json
-          elsif mime == "*/*" then :xml
           end
         end
       else
@@ -53,15 +52,22 @@ class ApiController < ApplicationController
     # handle authenticate pass/fail
     unless current_user
       # no auth, the user does not exist or the password was wrong
-      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
-      render :plain => errormessage, :status => :unauthorized
+      if Settings.basic_auth_support
+        response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+        render :plain => errormessage, :status => :unauthorized
+      else
+        render :plain => errormessage, :status => :forbidden
+      end
+
       false
     end
   end
 
   def current_ability
     # Use capabilities from the oauth token if it exists and is a valid access token
-    if Authenticator.new(self, [:token]).allow?
+    if doorkeeper_token&.accessible?
+      ApiAbility.new(nil).merge(ApiCapability.new(doorkeeper_token))
+    elsif Authenticator.new(self, [:token]).allow?
       ApiAbility.new(nil).merge(ApiCapability.new(current_token))
     else
       ApiAbility.new(current_user)
@@ -69,16 +75,18 @@ class ApiController < ApplicationController
   end
 
   def deny_access(_exception)
-    if current_token
+    if doorkeeper_token || current_token
       set_locale
       report_error t("oauth.permissions.missing"), :forbidden
     elsif current_user
       head :forbidden
-    else
+    elsif Settings.basic_auth_support
       realm = "Web Password"
       errormessage = "Couldn't authenticate you"
       response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
       render :plain => errormessage, :status => :unauthorized
+    else
+      render :plain => errormessage, :status => :forbidden
     end
   end
 
@@ -93,9 +101,14 @@ class ApiController < ApplicationController
   # from the authorize method, but can be called elsewhere if authorisation
   # is optional.
   def setup_user_auth
+    logger.info " setup_user_auth"
     # try and setup using OAuth
-    unless Authenticator.new(self, [:token]).allow?
-      username, passwd = get_auth_data # parse from headers
+    if doorkeeper_token&.accessible?
+      self.current_user = User.find(doorkeeper_token.resource_owner_id)
+    elsif Authenticator.new(self, [:token]).allow?
+      # self.current_user setup by OAuth
+    elsif Settings.basic_auth_support
+      username, passwd = auth_data # parse from headers
       # authenticate per-scheme
       self.current_user = if username.nil?
                             nil # no authentication provided - perhaps first connect (client should retry after 401)
@@ -104,6 +117,8 @@ class ApiController < ApplicationController
                           else
                             User.authenticate(:username => username, :password => passwd) # basic auth
                           end
+      # log if we have authenticated using basic auth
+      logger.info "Authenticated as user #{current_user.id} using basic authentication" if current_user
     end
 
     # have we identified the user?
@@ -128,4 +143,53 @@ class ApiController < ApplicationController
       end
     end
   end
+
+  def api_call_handle_error
+    yield
+  rescue ActionController::UnknownFormat
+    head :not_acceptable
+  rescue ActiveRecord::RecordNotFound => e
+    head :not_found
+  rescue LibXML::XML::Error, ArgumentError => e
+    report_error e.message, :bad_request
+  rescue ActiveRecord::RecordInvalid => e
+    message = "#{e.record.class} #{e.record.id}: "
+    e.record.errors.each { |error| message << "#{error.attribute}: #{error.message} (#{e.record[error.attribute].inspect})" }
+    report_error message, :bad_request
+  rescue OSM::APIError => e
+    report_error e.message, e.status
+  rescue AbstractController::ActionNotFound => e
+    raise
+  rescue StandardError => e
+    logger.info("API threw unexpected #{e.class} exception: #{e.message}")
+    e.backtrace.each { |l| logger.info(l) }
+    report_error "#{e.class}: #{e.message}", :internal_server_error
+  end
+
+  ##
+  # asserts that the request method is the +method+ given as a parameter
+  # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get.
+  def assert_method(method)
+    ok = request.send(:"#{method.to_s.downcase}?")
+    raise OSM::APIBadMethodError, method unless ok
+  end
+
+  ##
+  # wrap an api call in a timeout
+  def api_call_timeout(&block)
+    Timeout.timeout(Settings.api_timeout, Timeout::Error, &block)
+  rescue ActionView::Template::Error => e
+    e = e.cause
+
+    if e.is_a?(Timeout::Error) ||
+       (e.is_a?(ActiveRecord::StatementInvalid) && e.message.include?("execution expired"))
+      ActiveRecord::Base.connection.raw_connection.cancel
+      raise OSM::APITimeoutError
+    else
+      raise
+    end
+  rescue Timeout::Error
+    ActiveRecord::Base.connection.raw_connection.cancel
+    raise OSM::APITimeoutError
+  end
 end