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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 df7cfe93be97d9ffa704db88d759be75523ffc32..a2d016c8c7fcd10c43b9f473819b30af9a8212e1 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -3,6 +3,48 @@ class ApiController < ApplicationController
 
   private
 
 
   private
 

+  ##
+  # Set allowed request formats if no explicit format has been
+  # requested via a URL suffix. Allowed formats are taken from
+  # any HTTP Accept header with XML as the default.
+  def set_request_formats
+    unless params[:format]
+      accept_header = request.headers["HTTP_ACCEPT"]
+
+      if accept_header
+        # Some clients (such asJOSM) send Accept headers which cannot be
+        # parse by Rails, for example:
+        #
+        #   Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
+        #
+        # where both "*" and ".2" as a quality do not adhere to the syntax
+        # described in RFC 7231, section 5.3.1, etc.
+        #
+        # 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
+
+        # 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 || mime == "*/*" then :xml
+          elsif mime.symbol == :json then :json
+          end
+        end
+      else
+        # Default to XML if no accept header was sent - this includes
+        # the unit tests which don't set one by default
+        formats = Array(:xml)
+      end
+
+      request.formats = formats.compact
+    end
+  end
+

   def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")
     # make the current_user object from any auth sources we have
     setup_user_auth
   def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")
     # make the current_user object from any auth sources we have
     setup_user_auth


@@ -10,15 +52,22 @@ class ApiController < ApplicationController
     # handle authenticate pass/fail
     unless current_user
       # no auth, the user does not exist or the password was wrong
     # 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
-      return false
+      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
     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)
       ApiAbility.new(nil).merge(ApiCapability.new(current_token))
     else
       ApiAbility.new(current_user)


@@ -26,16 +75,18 @@ class ApiController < ApplicationController
   end
 
   def deny_access(_exception)
   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
       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
       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
 
     end
   end
 


@@ -50,9 +101,14 @@ class ApiController < ApplicationController
   # from the authorize method, but can be called elsewhere if authorisation
   # is optional.
   def setup_user_auth
   # 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
     # 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)
       # authenticate per-scheme
       self.current_user = if username.nil?
                             nil # no authentication provided - perhaps first connect (client should retry after 401)


@@ -61,6 +117,8 @@ class ApiController < ApplicationController
                           else
                             User.authenticate(:username => username, :password => passwd) # basic auth
                           end
                           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?
     end
 
     # have we identified the user?


@@ -85,4 +143,43 @@ class ApiController < ApplicationController
       end
     end
   end
       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 Timeout::Error
+    ActiveRecord::Base.connection.raw_connection.cancel
+    raise OSM::APITimeoutError
+  end

 end
 end