Simplify deny_access handling

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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 90883376c97d7af2cf8239b582baea67d576b7e9..8ddb7242fe5ee3a78d5188dfec62b6204eb5a653 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -1,275 +1,17 @@
 class ApiController < ApplicationController
   skip_before_action :verify_authenticity_token
 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
-
-    # 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
-    ordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[trackable identifiable] }).order("gpx_id DESC, trackid ASC, timestamp ASC")
-    unordered_points = Tracepoint.bbox(bbox).joins(:trace).where(:gpx_files => { :visibility => %w[public private] }).order("gps_points.latitude", "gps_points.longitude", "gps_points.timestamp")
-    points = ordered_points.union_all(unordered_points).offset(offset).limit(TRACEPOINTS_PER_PAGE)
-
-    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 => "traces", :action => "show", :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
-
-    response.headers["Content-Disposition"] = "attachment; filename=\"tracks.gpx\""
-
-    render :xml => doc.to_s
-  end
-
-  # 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
-  # bounding box (bbox) is checked to make sure that it is sane. All nodes
-  # are searched, then all the ways that reference those nodes are found.
-  # All Nodes that are referenced by those ways are fetched and added to the list
-  # of nodes.
-  # Then all the relations that reference the already found nodes and ways are
-  # fetched. All the nodes and ways that are referenced by those ways are then
-  # fetched. Finally all the xml is returned.
-  def map
-    # 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
-
-    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 > 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
-
-    doc = OSM::API.new.get_xml_doc
-
-    # add bounds
-    doc.root << bbox.add_bounds_to(XML::Node.new("bounds"))
-
-    # get ways
-    # find which ways are needed
-    ways = []
-    if node_ids.empty?
-      list_of_way_nodes = []
+  def deny_access(_exception)
+    if current_token
+      set_locale
+      report_error t("oauth.permissions.missing"), :forbidden
+    elsif current_user
+      head :forbidden

     else
     else

-      way_nodes = WayNode.where(:node_id => node_ids)
-      way_ids = way_nodes.collect { |way_node| way_node.id[0] }
-      ways = Way.preload(:way_nodes, :way_tags).find(way_ids)
-
-      list_of_way_nodes = ways.collect do |way|
-        way.way_nodes.collect(&:node_id)
-      end
-      list_of_way_nodes.flatten!
+      realm = "Web Password"
+      errormessage = "Couldn't authenticate you"
+      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+      render :plain => errormessage, :status => :unauthorized

     end
     end

-
-    # - [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]
-
-    nodes += Node.includes(:node_tags).find(nodes_to_fetch) unless nodes_to_fetch.empty?
-
-    visible_nodes = {}
-    changeset_cache = {}
-    user_display_name_cache = {}
-
-    nodes.each do |node|
-      if node.visible?
-        doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
-        visible_nodes[node.id] = node
-      end
-    end
-
-    way_ids = []
-    ways.each do |way|
-      if way.visible?
-        doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
-        way_ids << way.id
-      end
-    end
-
-    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.relations(relations.collect(&: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(changeset_cache, user_display_name_cache)
-    end
-
-    response.headers["Content-Disposition"] = "attachment; filename=\"map.osm\""
-
-    render :xml => doc.to_s
-  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 :xml => doc.to_s
-    else
-      render :plain => "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
-    @database_status = database_status
-    @api_status = api_status
-    @gpx_status = gpx_status
-  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 = if current_token.present?
-                     ClientApplication.all_permissions.select { |p| current_token.read_attribute(p) }
-                   elsif current_user
-                     ClientApplication.all_permissions
-                   else
-                     []
-                   end

   end
 end
   end
 end