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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index b9bb5fe59f2ff8eca5e84e8178c6df8fdb997bcc..602b79d69c5462e6f9a0cdae3d2e1c55b343c306 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -2,12 +2,10 @@ 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
@@ -22,25 +20,19 @@ 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.bbox(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
@@ -77,7 +69,7 @@ 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
@@ -124,29 +116,18 @@ class ApiController < ApplicationController
   # 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.bbox(min_lat, min_lon, max_lat, max_lon).where(:visible => true).includes(:node_tags).limit(MAX_NUMBER_OF_NODES+1)
+    @nodes = Node.bbox(bbox).where(:visible => true).includes(: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])
@@ -164,12 +145,7 @@ 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
@@ -314,4 +290,20 @@ class ApiController < ApplicationController
 
     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