class ApiController < ApplicationController
-
- before_filter :authorize
- after_filter :compress_output
-
- def map
- response.headers["Content-Type"] = 'application/xml'
- # Figure out the bbox
- bbox = params['bbox']
- unless bbox and bbox.count(',') == 3
- render :nothing => true, :status => 400
- return
+ skip_before_action :verify_authenticity_token
+
+ 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 then :xml
+ elsif mime.symbol == :json then :json
+ elsif mime == "*/*" then :xml
+ 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
- bbox = bbox.split(',')
-
- min_lon = bbox[0].to_f
- min_lat = bbox[1].to_f
- max_lon = bbox[2].to_f
- max_lat = bbox[3].to_f
-
- # get all the nodes
- nodes = Node.find(:all, :conditions => ['latitude > ? AND longitude > ? AND latitude < ? AND longitude < ? AND visible = 1', min_lat, min_lon, max_lat, max_lon])
+ def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")
+ # make the current_user object from any auth sources we have
+ setup_user_auth
- node_ids = nodes.collect {|node| node.id }
- segments = Array.new
- if node_ids.length > 0
- node_ids_sql = "(#{node_ids.join(',')})"
- # get the referenced segments
- segments = Segment.find_by_sql "select * from current_segments where visible = 1 and (node_a in #{node_ids_sql} or node_b in #{node_ids_sql})"
+ # 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
+ false
end
- # see if we have nay missing nodes
- segments_nodes = segments.collect {|segment| segment.node_a }
- segments_nodes += segments.collect {|segment| segment.node_b }
-
- segments_nodes.uniq!
-
- missing_nodes = segments_nodes - node_ids
-
- # get missing nodes if there are any
- nodes += Node.find(missing_nodes) if missing_nodes.length > 0
-
- doc = get_xml_doc
+ end
- # get ways
- # find which ways are needed
- segment_ids = segments.collect {|segment| segment.id }
- ways = Array.new
- if segment_ids.length > 0
- way_segments = WaySegment.find_all_by_segment_id(segment_ids)
- way_ids = way_segments.collect {|way_segment| way_segment.id }
- ways = Way.find(way_ids) # NB: doesn't pick up segments, tags from db until accessed via way.way_segments etc.
+ def current_ability
+ # Use capabilities from the oauth token if it exists and is a valid access token
+ if Authenticator.new(self, [:token]).allow?
+ ApiAbility.new(nil).merge(ApiCapability.new(current_token))
+ else
+ ApiAbility.new(current_user)
end
+ end
- nodes.each do |node|
- doc.root << node.to_xml_node()
+ def deny_access(_exception)
+ if current_token
+ set_locale
+ report_error t("oauth.permissions.missing"), :forbidden
+ elsif current_user
+ head :forbidden
+ else
+ realm = "Web Password"
+ errormessage = "Couldn't authenticate you"
+ response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+ render :plain => errormessage, :status => :unauthorized
end
+ end
- segments.each do |segment|
- doc.root << segment.to_xml_node()
- end
-
- ways.each do |way|
- doc.root << way.to_xml_node()
- end
+ def gpx_status
+ status = database_status
+ status = "offline" if status == "online" && Settings.status == "gpx_offline"
+ status
+ end
- render :text => doc.to_s
+ ##
+ # sets up the current_user for use by other methods. this is mostly called
+ # from the authorize method, but can be called elsewhere if authorisation
+ # is optional.
+ def setup_user_auth
+ # try and setup using OAuth
+ unless Authenticator.new(self, [:token]).allow?
+ username, passwd = get_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)
+ elsif username == "token"
+ User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
+ else
+ User.authenticate(:username => username, :password => passwd) # basic auth
+ end
+ end
+ # have we identified the user?
+ if current_user
+ # check if the user has been banned
+ user_block = current_user.blocks.active.take
+ unless user_block.nil?
+ set_locale
+ if user_block.zero_hour?
+ report_error t("application.setup_user_auth.blocked_zero_hour"), :forbidden
+ else
+ report_error t("application.setup_user_auth.blocked"), :forbidden
+ end
+ end
+
+ # if the user hasn't seen the contributor terms then don't
+ # allow editing - they have to go to the web site and see
+ # (but can decline) the CTs to continue.
+ if !current_user.terms_seen && flash[:skip_terms].nil?
+ set_locale
+ report_error t("application.setup_user_auth.need_to_see_terms"), :forbidden
+ end
+ end
end
end
projects / rails.git / blobdiff