Standardise on double quoted strings

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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 002bd73b881fef24dfe07acbd40581a161665ff9..6bbbee1ce2b49771b5e81e7c3553db3dbb1377e5 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -1,19 +1,19 @@
 class ApiController < ApplicationController
 class ApiController < ApplicationController

-

   skip_before_filter :verify_authenticity_token
   before_filter :check_api_readable, :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
   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
   after_filter :compress_output
   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

-    #retrieve the page number
-    page = params['page'].to_s.to_i
+    # retrieve the page number
+    page = params["page"].to_s.to_i

 
     unless page >= 0
 
     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
     end
 
     offset = page * TRACEPOINTS_PER_PAGE


@@ -25,7 +25,7 @@ class ApiController < ApplicationController
       bbox = BoundingBox.from_bbox_params(params)
       bbox.check_boundaries
       bbox.check_size
       bbox = BoundingBox.from_bbox_params(params)
       bbox.check_boundaries
       bbox.check_size

-    rescue Exception => err
+    rescue StandardError => err

       report_error(err.message)
       return
     end
       report_error(err.message)
       return
     end


@@ -35,11 +35,11 @@ class ApiController < ApplicationController
 
     doc = XML::Document.new
     doc.encoding = XML::Encoding::UTF_8
 
     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"
-    
+    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
     doc.root = root
 
     # initialise these variables outside of the loop so that they


@@ -61,35 +61,35 @@ class ApiController < ApplicationController
         gpx_file = Trace.find(gpx_id)
 
         if gpx_file.trackable?
         gpx_file = Trace.find(gpx_id)
 
         if gpx_file.trackable?

-          track = XML::Node.new 'trk'
+          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)
           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))
+            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
           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'
+          if anon_track.nil?
+            anon_track = XML::Node.new "trk"

             doc.root << anon_track
           end
           track = anon_track
         end
       end
             doc.root << anon_track
           end
           track = anon_track
         end
       end

-      
+

       if trackid != point.trackid
         if gpx_file.trackable?
       if trackid != point.trackid
         if gpx_file.trackable?

-          trkseg = XML::Node.new 'trkseg'
+          trkseg = XML::Node.new "trkseg"

           track << trkseg
           trackid = point.trackid
         else
           track << trkseg
           trackid = point.trackid
         else

-          if anon_trkseg.nil? 
-            anon_trkseg = XML::Node.new 'trkseg'
+          if anon_trkseg.nil?
+            anon_trkseg = XML::Node.new "trkseg"

             anon_track << anon_trkseg
           end
           trkseg = anon_trkseg
             anon_track << anon_trkseg
           end
           trkseg = anon_trkseg


@@ -104,14 +104,14 @@ class ApiController < ApplicationController
     render :text => doc.to_s, :content_type => "text/xml"
   end
 
     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
   # 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
   # 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
   # fetched. Finally all the xml is returned.
   def map
     # Figure out the bbox


@@ -121,15 +121,12 @@ class ApiController < ApplicationController
       bbox = BoundingBox.from_bbox_params(params)
       bbox.check_boundaries
       bbox.check_size
       bbox = BoundingBox.from_bbox_params(params)
       bbox.check_boundaries
       bbox.check_size

-    rescue Exception => err
+    rescue StandardError => err

       report_error(err.message)
       return
     end
 
       report_error(err.message)
       return
     end
 

-    @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])
+    @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
 
     node_ids = @nodes.collect(&:id)
     if node_ids.length > MAX_NUMBER_OF_NODES


@@ -144,23 +141,23 @@ class ApiController < ApplicationController
     doc = OSM::API.new.get_xml_doc
 
     # add bounds
     doc = OSM::API.new.get_xml_doc
 
     # add bounds

-    doc.root << bbox.add_bounds_to(XML::Node.new 'bounds')
+    doc.root << bbox.add_bounds_to(XML::Node.new "bounds")

 
     # get ways
     # find which ways are needed
 
     # get ways
     # find which ways are needed

-    ways = Array.new
+    ways = []

     if node_ids.length > 0
     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] }
       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.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
     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


@@ -181,23 +178,23 @@ class ApiController < ApplicationController
       end
     end
 
       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
     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.nodes(visible_nodes.keys).visible +
                 Relation.ways(way_ids).visible
 
 
     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)
     # in that case we return that as well (but we don't go recursive here)

-    relations += Relation.relations(relations.collect { |r| r.id }).visible
+    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.
 
     # 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.


@@ -213,25 +210,25 @@ class ApiController < ApplicationController
   # Get a list of the tiles that have changed within a specified time
   # period
   def changes
   # Get a list of the tiles that have changed within a specified time
   # period
   def changes

-    zoom = (params[:zoom] || '12').to_i
+    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
       starttime = Time.parse(params[:start])
       endtime = Time.parse(params[:end])
     else

-      hours = (params[:hours] || '1').to_i.hours
+      hours = (params[:hours] || "1").to_i.hours

       endtime = Time.now.getutc
       starttime = endtime - hours
     end
 
       endtime = Time.now.getutc
       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
 
       mask = (1 << zoom) - 1
 

-      tiles = Node.where(:timestamp => starttime .. endtime).group("maptile_for_point(latitude, longitude, #{zoom})").count
+      tiles = Node.where(:timestamp => starttime..endtime).group("maptile_for_point(latitude, longitude, #{zoom})").count

 
       doc = OSM::API.new.get_xml_doc
 
       doc = OSM::API.new.get_xml_doc

-      changes = XML::Node.new 'changes'
+      changes = XML::Node.new "changes"

       changes["starttime"] = starttime.xmlschema
       changes["endtime"] = endtime.xmlschema
 
       changes["starttime"] = starttime.xmlschema
       changes["endtime"] = endtime.xmlschema
 


@@ -239,7 +236,7 @@ class ApiController < ApplicationController
         x = (tile.to_i >> zoom) & mask
         y = tile.to_i & mask
 
         x = (tile.to_i >> zoom) & mask
         y = tile.to_i & mask
 

-        t = XML::Node.new 'tile'
+        t = XML::Node.new "tile"

         t["x"] = x.to_s
         t["y"] = y.to_s
         t["z"] = zoom.to_s
         t["x"] = x.to_s
         t["y"] = y.to_s
         t["z"] = zoom.to_s


@@ -256,37 +253,66 @@ class ApiController < ApplicationController
     end
   end
 
     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
   def capabilities
     doc = OSM::API.new.get_xml_doc
 
   # * 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}";
-    version['maximum'] = "#{API_VERSION}";
+    api = XML::Node.new "api"
+    version = XML::Node.new "version"
+    version["minimum"] = "#{API_VERSION}"
+    version["maximum"] = "#{API_VERSION}"

     api << version
     api << version

-    area = XML::Node.new 'area'
-    area['maximum'] = MAX_REQUEST_AREA.to_s;
+    area = XML::Node.new "area"
+    area["maximum"] = MAX_REQUEST_AREA.to_s

     api << area
     api << area

-    tracepoints = XML::Node.new 'tracepoints'
-    tracepoints['per_page'] = TRACEPOINTS_PER_PAGE.to_s
+    tracepoints = XML::Node.new "tracepoints"
+    tracepoints["per_page"] = TRACEPOINTS_PER_PAGE.to_s

     api << tracepoints
     api << tracepoints

-    waynodes = XML::Node.new 'waynodes'
-    waynodes['maximum'] = MAX_NUMBER_OF_WAY_NODES.to_s
+    waynodes = XML::Node.new "waynodes"
+    waynodes["maximum"] = MAX_NUMBER_OF_WAY_NODES.to_s

     api << waynodes
     api << waynodes

-    changesets = XML::Node.new 'changesets'
-    changesets['maximum_elements'] = Changeset::MAX_ELEMENTS.to_s
+    changesets = XML::Node.new "changesets"
+    changesets["maximum_elements"] = Changeset::MAX_ELEMENTS.to_s

     api << changesets
     api << changesets

-    timeout = XML::Node.new 'timeout'
-    timeout['seconds'] = API_TIMEOUT.to_s
+    timeout = XML::Node.new "timeout"
+    timeout["seconds"] = API_TIMEOUT.to_s

     api << timeout
     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
     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
 
     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
 end