X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/ca5de5b4e01297b07ce3a9db45e908f15f7cda11..d887252eeb49f905a979c21f2559c85d9a0455bd:/app/controllers/api_controller.rb diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb index 25e1e3b95..735e1bd59 100644 --- a/app/controllers/api_controller.rb +++ b/app/controllers/api_controller.rb @@ -1,107 +1,11 @@ class ApiController < ApplicationController skip_before_action :verify_authenticity_token - before_action :check_api_readable, :except => [:capabilities] - before_action :setup_user_auth, :only => [:permissions] - around_action :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 - # retrieve the page number - page = params["page"].to_s.to_i - - unless page >= 0 - report_error("Page number must be greater than or equal to 0") - return - end - - offset = page * TRACEPOINTS_PER_PAGE + before_action :api_deny_access_handler - # Figure out the bbox - # check boundary is sane and area within defined - # see /config/application.yml - begin - bbox = BoundingBox.from_bbox_params(params) - bbox.check_boundaries - bbox.check_size - rescue StandardError => err - report_error(err.message) - return - end - - # get all the points - points = Tracepoint.bbox(bbox).offset(offset).limit(TRACEPOINTS_PER_PAGE).order("gpx_id DESC, trackid ASC, timestamp ASC") - - doc = XML::Document.new - 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" - - doc.root = root - - # 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| - 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 - - trkseg << point.to_xml_node(timestamps) - end + authorize_resource :class => false - response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\"" - - render :text => doc.to_s, :content_type => "text/xml" - end + before_action :check_api_readable + around_action :api_call_handle_error, :api_call_timeout # This is probably the most common call of all. It is used for getting the # OSM data for a specified bounding box, usually for editing. First the @@ -157,9 +61,7 @@ class ApiController < ApplicationController # - [0] in case some thing links to node 0 which doesn't exist. Shouldn't actually ever happen but it does. FIXME: file a ticket for this nodes_to_fetch = (list_of_way_nodes.uniq - node_ids) - [0] - unless nodes_to_fetch.empty? - nodes += Node.includes(:node_tags).find(nodes_to_fetch) - end + nodes += Node.includes(:node_tags).find(nodes_to_fetch) unless nodes_to_fetch.empty? visible_nodes = {} changeset_cache = {} @@ -193,120 +95,11 @@ class ApiController < ApplicationController # 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(nil, changeset_cache, user_display_name_cache) + doc.root << relation.to_xml_node(changeset_cache, user_display_name_cache) end response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\"" - render :text => doc.to_s, :content_type => "text/xml" - end - - # Get a list of the tiles that have changed within a specified time - # period - def changes - zoom = (params[:zoom] || "12").to_i - - if params.include?(:start) && params.include?(:end) - starttime = Time.parse(params[:start]) - endtime = Time.parse(params[:end]) - else - hours = (params[:hours] || "1").to_i.hours - endtime = Time.now.getutc - starttime = endtime - hours - end - - if zoom >= 1 && zoom <= 16 && - endtime > starttime && endtime - starttime <= 24.hours - mask = (1 << zoom) - 1 - - 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" - changes["starttime"] = starttime.xmlschema - changes["endtime"] = endtime.xmlschema - - tiles.each do |tile, count| - x = (tile.to_i >> zoom) & mask - y = tile.to_i & mask - - t = XML::Node.new "tile" - t["x"] = x.to_s - t["y"] = y.to_s - t["z"] = zoom.to_s - t["changes"] = count.to_s - - changes << t - end - - doc.root << changes - - render :text => doc.to_s, :content_type => "text/xml" - else - render :text => "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", :status => :bad_request - end - end - - # External apps that use the api are able to query the api to find out some - # parameters of the API. It currently returns: - # * minimum and maximum API versions that can be used. - # * maximum area that can be requested in a bbox request in square degrees - # * number of tracepoints that are returned in each tracepoints page - def capabilities - doc = OSM::API.new.get_xml_doc - - api = XML::Node.new "api" - version = XML::Node.new "version" - version["minimum"] = API_VERSION.to_s - version["maximum"] = API_VERSION.to_s - api << version - area = XML::Node.new "area" - area["maximum"] = MAX_REQUEST_AREA.to_s - api << area - tracepoints = XML::Node.new "tracepoints" - tracepoints["per_page"] = TRACEPOINTS_PER_PAGE.to_s - api << tracepoints - waynodes = XML::Node.new "waynodes" - 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 - policy = XML::Node.new "policy" - blacklist = XML::Node.new "imagery" - IMAGERY_BLACKLIST.each do |url_regex| - xnd = XML::Node.new "blacklist" - xnd["regex"] = url_regex.to_s - blacklist << xnd - end - policy << blacklist - doc.root << policy - - 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 + render :xml => doc.to_s end end