X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/7058d836f75c845b7790c7ab6eb2f75844ce0c1c..9a05a7ba490cbf2ed7fdc50ef5ae203dc5cbfd18:/app/controllers/api_controller.rb?ds=sidebyside diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb index 0724a3712..2c442c190 100644 --- a/app/controllers/api_controller.rb +++ b/app/controllers/api_controller.rb @@ -1,30 +1,16 @@ class ApiController < ApplicationController - session :off - before_filter :check_read_availability, :except => [:capabilities] + skip_before_filter :verify_authenticity_token + before_filter :check_api_readable, :except => [:capabilities] + before_filter :setup_user_auth, :only => [:permissions] after_filter :compress_output - - # Help methods for checking boundary sanity and area size - include MapBoundary - - #COUNT is the number of map requests to allow before exiting and starting a new process - @@count = COUNT - - # The maximum area you're allowed to request, in square degrees - MAX_REQUEST_AREA = APP_CONFIG['max_request_area'] - - # Number of GPS trace/trackpoints returned per-page - TRACEPOINTS_PER_PAGE = APP_CONFIG['tracepoints_per_page'] + around_filter :api_call_handle_error, :api_call_timeout # Get an XML response containing a list of tracepoints that have been uploaded # within the specified bounding box, and in the specified page. def trackpoints - @@count+=1 #retrieve the page number - page = params['page'].to_i - unless page - page = 0; - end + page = params['page'].to_s.to_i unless page >= 0 report_error("Page number must be greater than or equal to 0") @@ -34,53 +20,87 @@ class ApiController < ApplicationController offset = page * TRACEPOINTS_PER_PAGE # Figure out the bbox - bbox = params['bbox'] - unless bbox and bbox.count(',') == 3 - report_error("The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat") - return - end - - bbox = bbox.split(',') - min_lon, min_lat, max_lon, max_lat = sanitise_boundaries(bbox) # check boundary is sane and area within defined # see /config/application.yml begin - check_boundaries(min_lon, min_lat, max_lon, max_lat) + bbox = BoundingBox.from_bbox_params(params) + bbox.check_boundaries + bbox.check_size rescue Exception => err report_error(err.message) return end # get all the points - points = Tracepoint.find_by_area(min_lat, min_lon, max_lat, max_lon, :offset => offset, :limit => TRACEPOINTS_PER_PAGE, :order => "timestamp DESC" ) + points = Tracepoint.bbox(bbox).offset(offset).limit(TRACEPOINTS_PER_PAGE).order("gpx_id DESC, trackid ASC, timestamp ASC") doc = XML::Document.new - doc.encoding = 'UTF-8' + doc.encoding = XML::Encoding::UTF_8 root = XML::Node.new 'gpx' root['version'] = '1.0' root['creator'] = 'OpenStreetMap.org' - root['xmlns'] = "http://www.topografix.com/GPX/1/0/" + root['xmlns'] = "http://www.topografix.com/GPX/1/0" doc.root = root - track = XML::Node.new 'trk' - doc.root << track - - trkseg = XML::Node.new 'trkseg' - track << trkseg + # initialise these variables outside of the loop so that they + # stay in scope and don't get free'd up by the GC during the + # loop. + gpx_id = -1 + trackid = -1 + track = nil + trkseg = nil + anon_track = nil + anon_trkseg = nil + gpx_file = nil + timestamps = false points.each do |point| - trkseg << point.to_xml_node() - end + if gpx_id != point.gpx_id + gpx_id = point.gpx_id + trackid = -1 + gpx_file = Trace.find(gpx_id) + + if gpx_file.trackable? + track = XML::Node.new 'trk' + doc.root << track + timestamps = true + + if gpx_file.identifiable? + track << (XML::Node.new("name") << gpx_file.name) + track << (XML::Node.new("desc") << gpx_file.description) + track << (XML::Node.new("url") << url_for(:controller => 'trace', :action => 'view', :display_name => gpx_file.user.display_name, :id => gpx_file.id)) + end + else + # use the anonymous track segment if the user hasn't allowed + # their GPX points to be tracked. + timestamps = false + if anon_track.nil? + anon_track = XML::Node.new 'trk' + doc.root << anon_track + end + track = anon_track + end + end + + if trackid != point.trackid + if gpx_file.trackable? + trkseg = XML::Node.new 'trkseg' + track << trkseg + trackid = point.trackid + else + if anon_trkseg.nil? + anon_trkseg = XML::Node.new 'trkseg' + anon_track << anon_trkseg + end + trkseg = anon_trkseg + end + end - #exit when we have too many requests - if @@count > MAX_COUNT - render :text => doc.to_s, :content_type => "text/xml" - @@count = COUNT - exit! + trkseg << point.to_xml_node(timestamps) end - response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\"" + response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\"" render :text => doc.to_s, :content_type => "text/xml" end @@ -95,39 +115,23 @@ class ApiController < ApplicationController # fetched. All the nodes and ways that are referenced by those ways are then # fetched. Finally all the xml is returned. def map - GC.start - @@count+=1 # Figure out the bbox - bbox = params['bbox'] - - unless bbox and bbox.count(',') == 3 - # alternatively: report_error(TEXT['boundary_parameter_required'] - report_error("The parameter bbox is required, and must be of the form min_lon,min_lat,max_lon,max_lat") - return - end - - bbox = bbox.split(',') - - min_lon, min_lat, max_lon, max_lat = sanitise_boundaries(bbox) - # check boundary is sane and area within defined # see /config/application.yml begin - check_boundaries(min_lon, min_lat, max_lon, max_lat) + bbox = BoundingBox.from_bbox_params(params) + bbox.check_boundaries + bbox.check_size rescue Exception => err report_error(err.message) return end - # FIXME um why is this area using a different order for the lat/lon from above??? - @nodes = Node.find_by_area(min_lat, min_lon, max_lat, max_lon, :conditions => {:visible => true}, :limit => APP_CONFIG['max_number_of_nodes']+1) - # get all the nodes, by tag not yet working, waiting for change from NickB - # need to be @nodes (instance var) so tests in /spec can be performed - #@nodes = Node.search(bbox, params[:tag]) + @nodes = Node.bbox(bbox).where(:visible => true).includes(:node_tags).limit(MAX_NUMBER_OF_NODES+1) node_ids = @nodes.collect(&:id) - if node_ids.length > APP_CONFIG['max_number_of_nodes'] - report_error("You requested too many nodes (limit is #{APP_CONFIG['max_number_of_nodes']}). Either request a smaller area, or use planet.osm") + if node_ids.length > MAX_NUMBER_OF_NODES + report_error("You requested too many nodes (limit is #{MAX_NUMBER_OF_NODES}). Either request a smaller area, or use planet.osm") return end if node_ids.length == 0 @@ -138,20 +142,15 @@ class ApiController < ApplicationController doc = OSM::API.new.get_xml_doc # add bounds - bounds = XML::Node.new 'bounds' - bounds['minlat'] = min_lat.to_s - bounds['minlon'] = min_lon.to_s - bounds['maxlat'] = max_lat.to_s - bounds['maxlon'] = max_lon.to_s - doc.root << bounds + doc.root << bbox.add_bounds_to(XML::Node.new 'bounds') # get ways # find which ways are needed ways = Array.new if node_ids.length > 0 - way_nodes = WayNode.find_all_by_node_id(node_ids) + way_nodes = WayNode.where(:node_id => node_ids) way_ids = way_nodes.collect { |way_node| way_node.id[0] } - ways = Way.find(way_ids) + ways = Way.preload(:way_nodes, :way_tags).find(way_ids) list_of_way_nodes = ways.collect { |way| way.way_nodes.collect { |way_node| way_node.node_id } @@ -166,15 +165,16 @@ class ApiController < ApplicationController nodes_to_fetch = (list_of_way_nodes.uniq - node_ids) - [0] if nodes_to_fetch.length > 0 - @nodes += Node.find(nodes_to_fetch) + @nodes += Node.includes(:node_tags).find(nodes_to_fetch) end visible_nodes = {} + changeset_cache = {} user_display_name_cache = {} @nodes.each do |node| if node.visible? - doc.root << node.to_xml_node(user_display_name_cache) + doc.root << node.to_xml_node(changeset_cache, user_display_name_cache) visible_nodes[node.id] = node end end @@ -182,37 +182,30 @@ class ApiController < ApplicationController way_ids = Array.new ways.each do |way| if way.visible? - doc.root << way.to_xml_node(visible_nodes, user_display_name_cache) + doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache) way_ids << way.id end end - relations = Relation.find_for_nodes(visible_nodes.keys, :conditions => {:visible => true}) + - Relation.find_for_ways(way_ids, :conditions => {:visible => true}) + relations = Relation.nodes(visible_nodes.keys).visible + + Relation.ways(way_ids).visible # we do not normally return the "other" partners referenced by an relation, # e.g. if we return a way A that is referenced by relation X, and there's # another way B also referenced, that is not returned. But we do make # an exception for cases where an relation references another *relation*; # in that case we return that as well (but we don't go recursive here) - relations += Relation.find_for_relations(relations.collect { |r| r.id }, :conditions => {:visible => true}) + relations += Relation.relations(relations.collect { |r| r.id }).visible # this "uniq" may be slightly inefficient; it may be better to first collect and output # all node-related relations, then find the *not yet covered* way-related ones etc. relations.uniq.each do |relation| - doc.root << relation.to_xml_node(user_display_name_cache) + doc.root << relation.to_xml_node(nil, changeset_cache, user_display_name_cache) end response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\"" render :text => doc.to_s, :content_type => "text/xml" - - #exit when we have too many requests - if @@count > MAX_COUNT - @@count = COUNT - - exit! - end end # Get a list of the tiles that have changed within a specified time @@ -225,7 +218,7 @@ class ApiController < ApplicationController endtime = Time.parse(params[:end]) else hours = (params[:hours] || '1').to_i.hours - endtime = Time.now + endtime = Time.now.getutc starttime = endtime - hours end @@ -233,8 +226,7 @@ class ApiController < ApplicationController endtime > starttime and endtime - starttime <= 24.hours mask = (1 << zoom) - 1 - tiles = Node.count(:conditions => ["timestamp BETWEEN ? AND ?", starttime, endtime], - :group => "maptile_for_point(latitude, longitude, #{zoom})") + tiles = Node.where(:timestamp => starttime .. endtime).group("maptile_for_point(latitude, longitude, #{zoom})").count doc = OSM::API.new.get_xml_doc changes = XML::Node.new 'changes' @@ -279,14 +271,41 @@ class ApiController < ApplicationController area['maximum'] = MAX_REQUEST_AREA.to_s; api << area tracepoints = XML::Node.new 'tracepoints' - tracepoints['per_page'] = APP_CONFIG['tracepoints_per_page'].to_s + tracepoints['per_page'] = TRACEPOINTS_PER_PAGE.to_s api << tracepoints waynodes = XML::Node.new 'waynodes' - waynodes['maximum'] = APP_CONFIG['max_number_of_way_nodes'].to_s + waynodes['maximum'] = MAX_NUMBER_OF_WAY_NODES.to_s api << waynodes - + changesets = XML::Node.new 'changesets' + changesets['maximum_elements'] = Changeset::MAX_ELEMENTS.to_s + api << changesets + timeout = XML::Node.new 'timeout' + timeout['seconds'] = API_TIMEOUT.to_s + api << timeout + status = XML::Node.new 'status' + status['database'] = database_status.to_s + status['api'] = api_status.to_s + status['gpx'] = gpx_status.to_s + api << status + doc.root << api render :text => doc.to_s, :content_type => "text/xml" end + + # External apps that use the api are able to query which permissions + # they have. This currently returns a list of permissions granted to the current user: + # * if authenticated via OAuth, this list will contain all permissions granted by the user to the access_token. + # * if authenticated via basic auth all permissions are granted, so the list will contain all permissions. + # * unauthenticated users have no permissions, so the list will be empty. + def permissions + @permissions = case + when current_token.present? + ClientApplication.all_permissions.select { |p| current_token.read_attribute(p) } + when @user + ClientApplication.all_permissions + else + [] + end + end end