X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/001ff5764bcf15aaa179dc5c7844038676536622..ef7f3d800cbdd49b692df10d312e5fd880e2e938:/app/controllers/api_controller.rb

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 95cc88869..1b9a1ad69 100644
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -1,45 +1,37 @@
 class ApiController < ApplicationController
-
+  skip_before_filter :verify_authenticity_token
   before_filter :check_api_readable, :except => [:capabilities]
+  before_filter :setup_user_auth, :only => [:permissions]
   after_filter :compress_output
   around_filter :api_call_handle_error, :api_call_timeout
 
-  # Help methods for checking boundary sanity and area size
-  include MapBoundary
-
   # 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
+    # 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
+      report_error("Page number must be greater than or equal to 0")
+      return
     end
 
     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 => "gpx_id DESC, trackid ASC, timestamp ASC" )
+    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
@@ -47,7 +39,7 @@ class ApiController < ApplicationController
     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
@@ -76,27 +68,27 @@ class ApiController < ApplicationController
           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', :id => gpx_file.id))
+            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? 
+          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? 
+          if anon_trkseg.nil?
             anon_trkseg = XML::Node.new 'trkseg'
             anon_track << anon_trkseg
           end
@@ -112,43 +104,29 @@ class ApiController < ApplicationController
     render :text => doc.to_s, :content_type => "text/xml"
   end
 
-  # This is probably the most common call of all. It is used for getting the 
+  # 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 
+  # 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. 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
-    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}, :include => :node_tags, :limit => 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 > MAX_NUMBER_OF_NODES
@@ -163,35 +141,30 @@ 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
+    ways = []
     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, :include => [:way_nodes, :way_tags])
+      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 }
-      }
+      list_of_way_nodes = ways.collect do |way|
+        way.way_nodes.collect(&:node_id)
+      end
       list_of_way_nodes.flatten!
 
     else
-      list_of_way_nodes = Array.new
+      list_of_way_nodes = []
     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]
 
     if nodes_to_fetch.length > 0
-      @nodes += Node.find(nodes_to_fetch, :include => :node_tags)
+      @nodes += Node.includes(:node_tags).find(nodes_to_fetch)
     end
 
     visible_nodes = {}
@@ -205,23 +178,23 @@ class ApiController < ApplicationController
       end
     end
 
-    way_ids = Array.new
+    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 
+    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*; 
+    # 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(&: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.
@@ -239,7 +212,7 @@ class ApiController < ApplicationController
   def changes
     zoom = (params[:zoom] || '12').to_i
 
-    if params.include?(:start) and params.include?(:end)
+    if params.include?(:start) && params.include?(:end)
       starttime = Time.parse(params[:start])
       endtime = Time.parse(params[:end])
     else
@@ -248,12 +221,11 @@ class ApiController < ApplicationController
       starttime = endtime - hours
     end
 
-    if zoom >= 1 and zoom <= 16 and
-       endtime > starttime and endtime - starttime <= 24.hours
+    if zoom >= 1 && zoom <= 16 &&
+       endtime > starttime && 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'
@@ -281,8 +253,8 @@ class ApiController < ApplicationController
     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: 
+  # 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
@@ -291,11 +263,11 @@ class ApiController < ApplicationController
 
     api = XML::Node.new 'api'
     version = XML::Node.new 'version'
-    version['minimum'] = "#{API_VERSION}";
-    version['maximum'] = "#{API_VERSION}";
+    version['minimum'] = "#{API_VERSION}"
+    version['maximum'] = "#{API_VERSION}"
     api << version
     area = XML::Node.new 'area'
-    area['maximum'] = MAX_REQUEST_AREA.to_s;
+    area['maximum'] = MAX_REQUEST_AREA.to_s
     api << area
     tracepoints = XML::Node.new 'tracepoints'
     tracepoints['per_page'] = TRACEPOINTS_PER_PAGE.to_s
@@ -309,9 +281,38 @@ class ApiController < ApplicationController
     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
+  end
 end