X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/043d29fd7eb72048cf5d07edfbc20ec5c25af708..124ec2e9d560e0df291e5a8e5aa67ef5db2f5d46:/test/controllers/node_controller_test.rb

diff --git a/test/controllers/node_controller_test.rb b/test/controllers/node_controller_test.rb
index ffc86b2f6..ce1e26fb0 100644
--- a/test/controllers/node_controller_test.rb
+++ b/test/controllers/node_controller_test.rb
@@ -1,8 +1,6 @@
 require "test_helper"
 
 class NodeControllerTest < ActionController::TestCase
-  api_fixtures
-
   ##
   # test all routes which lead to this controller
   def test_routes
@@ -29,14 +27,16 @@ class NodeControllerTest < ActionController::TestCase
   end
 
   def test_create
-    # cannot read password from fixture as it is stored as MD5 digest
-    ## First try with no auth
+    private_user = create(:user, :data_public => false)
+    private_changeset = create(:changeset, :user => private_user)
+    user = create(:user)
+    changeset = create(:changeset, :user => user)
 
     # create a node with random lat/lon
     lat = rand(100) - 50 + rand
     lon = rand(100) - 50 + rand
-    # normal user has a changeset open, so we'll use that.
-    changeset = changesets(:normal_user_first_change)
+
+    ## First try with no auth
     # create a minimal xml file
     content("<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'/></osm>")
     assert_difference("OldNode.count", 0) do
@@ -46,15 +46,10 @@ class NodeControllerTest < ActionController::TestCase
     assert_response :unauthorized, "node upload did not return unauthorized status"
 
     ## Now try with the user which doesn't have their data public
-    basic_authorization(users(:normal_user).email, "test")
+    basic_authorization(private_user.email, "test")
 
-    # create a node with random lat/lon
-    lat = rand(100) - 50 + rand
-    lon = rand(100) - 50 + rand
-    # normal user has a changeset open, so we'll use that.
-    changeset = changesets(:normal_user_first_change)
     # create a minimal xml file
-    content("<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'/></osm>")
+    content("<osm><node lat='#{lat}' lon='#{lon}' changeset='#{private_changeset.id}'/></osm>")
     assert_difference("Node.count", 0) do
       put :create
     end
@@ -62,13 +57,8 @@ class NodeControllerTest < ActionController::TestCase
     assert_require_public_data "node create did not return forbidden status"
 
     ## Now try with the user that has the public data
-    basic_authorization(users(:public_user).email, "test")
+    basic_authorization(user.email, "test")
 
-    # create a node with random lat/lon
-    lat = rand(100) - 50 + rand
-    lon = rand(100) - 50 + rand
-    # normal user has a changeset open, so we'll use that.
-    changeset = changesets(:public_user_first_change)
     # create a minimal xml file
     content("<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'/></osm>")
     put :create
@@ -82,17 +72,18 @@ class NodeControllerTest < ActionController::TestCase
     # compare values
     assert_in_delta lat * 10000000, checknode.latitude, 1, "saved node does not match requested latitude"
     assert_in_delta lon * 10000000, checknode.longitude, 1, "saved node does not match requested longitude"
-    assert_equal changesets(:public_user_first_change).id, checknode.changeset_id, "saved node does not belong to changeset that it was created in"
+    assert_equal changeset.id, checknode.changeset_id, "saved node does not belong to changeset that it was created in"
     assert_equal true, checknode.visible, "saved node is not visible"
   end
 
   def test_create_invalid_xml
     ## Only test public user here, as test_create should cover what's the forbiddens
     ## that would occur here
-    # Initial setup
-    basic_authorization(users(:public_user).email, "test")
-    # normal user has a changeset open, so we'll use that.
-    changeset = changesets(:public_user_first_change)
+
+    user = create(:user)
+    changeset = create(:changeset, :user => user)
+
+    basic_authorization(user.email, "test")
     lat = 3.434
     lon = 3.23
 
@@ -143,11 +134,11 @@ class NodeControllerTest < ActionController::TestCase
 
   def test_read
     # check that a visible node is returned properly
-    get :read, :id => current_nodes(:visible_node).id
+    get :read, :id => create(:node).id
     assert_response :success
 
-    # check that an invisible node is not returned
-    get :read, :id => current_nodes(:invisible_node).id
+    # check that an deleted node is not returned
+    get :read, :id => create(:node, :deleted).id
     assert_response :gone
 
     # check chat a non-existent node is not returned
@@ -158,32 +149,37 @@ class NodeControllerTest < ActionController::TestCase
   # this tests deletion restrictions - basic deletion is tested in the unit
   # tests for node!
   def test_delete
+    private_user = create(:user, :data_public => false)
+    private_user_changeset = create(:changeset, :user => private_user)
+    private_user_closed_changeset = create(:changeset, :closed, :user => private_user)
+    private_node = create(:node, :changeset => private_user_changeset)
+    private_deleted_node = create(:node, :deleted, :changeset => private_user_changeset)
+
     ## first try to delete node without auth
-    delete :delete, :id => current_nodes(:visible_node).id
+    delete :delete, :id => private_node.id
     assert_response :unauthorized
 
     ## now set auth for the non-data public user
-    basic_authorization(users(:normal_user).email, "test")
+    basic_authorization(private_user.email, "test")
 
     # try to delete with an invalid (closed) changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:normal_user_closed_change).id)
-    delete :delete, :id => current_nodes(:visible_node).id
+    content update_changeset(private_node.to_xml, private_user_closed_changeset.id)
+    delete :delete, :id => private_node.id
     assert_require_public_data("non-public user shouldn't be able to delete node")
 
     # try to delete with an invalid (non-existent) changeset
-    content update_changeset(current_nodes(:visible_node).to_xml, 0)
-    delete :delete, :id => current_nodes(:visible_node).id
+    content update_changeset(private_node.to_xml, 0)
+    delete :delete, :id => private_node.id
     assert_require_public_data("shouldn't be able to delete node, when user's data is private")
 
     # valid delete now takes a payload
-    content(nodes(:visible_node).to_xml)
-    delete :delete, :id => current_nodes(:visible_node).id
+    content(private_node.to_xml)
+    delete :delete, :id => private_node.id
     assert_require_public_data("shouldn't be able to delete node when user's data isn't public'")
 
     # this won't work since the node is already deleted
-    content(nodes(:invisible_node).to_xml)
-    delete :delete, :id => current_nodes(:invisible_node).id
+    content(private_deleted_node.to_xml)
+    delete :delete, :id => private_deleted_node.id
     assert_require_public_data
 
     # this won't work since the node never existed
@@ -192,54 +188,64 @@ class NodeControllerTest < ActionController::TestCase
 
     ## these test whether nodes which are in-use can be deleted:
     # in a way...
-    content(nodes(:used_node_1).to_xml)
-    delete :delete, :id => current_nodes(:used_node_1).id
+    private_used_node = create(:node, :changeset => private_user_changeset)
+    create(:way_node, :node => private_used_node)
+
+    content(private_used_node.to_xml)
+    delete :delete, :id => private_used_node.id
     assert_require_public_data "shouldn't be able to delete a node used in a way (#{@response.body})"
 
     # in a relation...
-    content(nodes(:node_used_by_relationship).to_xml)
-    delete :delete, :id => current_nodes(:node_used_by_relationship).id
+    private_used_node2 = create(:node, :changeset => private_user_changeset)
+    create(:relation_member, :member => private_used_node2)
+
+    content(private_used_node2.to_xml)
+    delete :delete, :id => private_used_node2.id
     assert_require_public_data "shouldn't be able to delete a node used in a relation (#{@response.body})"
 
-    ## now set auth for the public data user
-    basic_authorization(users(:public_user).email, "test")
+    ## now setup for the public data user
+    user = create(:user, :data_public => true)
+    changeset = create(:changeset, :user => user)
+    closed_changeset = create(:changeset, :closed, :user => user)
+    node = create(:node, :changeset => changeset)
+    basic_authorization(user.email, "test")
 
     # try to delete with an invalid (closed) changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:normal_user_closed_change).id)
-    delete :delete, :id => current_nodes(:visible_node).id
+    content update_changeset(node.to_xml, closed_changeset.id)
+    delete :delete, :id => node.id
     assert_response :conflict
 
     # try to delete with an invalid (non-existent) changeset
-    content update_changeset(current_nodes(:visible_node).to_xml, 0)
-    delete :delete, :id => current_nodes(:visible_node).id
+    content update_changeset(node.to_xml, 0)
+    delete :delete, :id => node.id
     assert_response :conflict
 
     # try to delete a node with a different ID
-    content(nodes(:public_visible_node).to_xml)
-    delete :delete, :id => current_nodes(:visible_node).id
+    other_node = create(:node)
+    content(other_node.to_xml)
+    delete :delete, :id => node.id
     assert_response :bad_request,
                     "should not be able to delete a node with a different ID from the XML"
 
     # try to delete a node rubbish in the payloads
     content("<delete/>")
-    delete :delete, :id => current_nodes(:visible_node).id
+    delete :delete, :id => node.id
     assert_response :bad_request,
                     "should not be able to delete a node without a valid XML payload"
 
     # valid delete now takes a payload
-    content(nodes(:public_visible_node).to_xml)
-    delete :delete, :id => current_nodes(:public_visible_node).id
+    content(node.to_xml)
+    delete :delete, :id => node.id
     assert_response :success
 
     # valid delete should return the new version number, which should
     # be greater than the old version number
-    assert @response.body.to_i > current_nodes(:public_visible_node).version,
+    assert @response.body.to_i > node.version,
            "delete request should return a new version number for node"
 
     # deleting the same node twice doesn't work
-    content(nodes(:public_visible_node).to_xml)
-    delete :delete, :id => current_nodes(:public_visible_node).id
+    content(node.to_xml)
+    delete :delete, :id => node.id
     assert_response :gone
 
     # this won't work since the node never existed
@@ -248,18 +254,26 @@ class NodeControllerTest < ActionController::TestCase
 
     ## these test whether nodes which are in-use can be deleted:
     # in a way...
-    content(nodes(:used_node_1).to_xml)
-    delete :delete, :id => current_nodes(:used_node_1).id
+    used_node = create(:node, :changeset => create(:changeset, :user => user))
+    way_node = create(:way_node, :node => used_node)
+    way_node2 = create(:way_node, :node => used_node)
+
+    content(used_node.to_xml)
+    delete :delete, :id => used_node.id
     assert_response :precondition_failed,
                     "shouldn't be able to delete a node used in a way (#{@response.body})"
-    assert_equal "Precondition failed: Node 3 is still used by ways 1,3.", @response.body
+    assert_equal "Precondition failed: Node #{used_node.id} is still used by ways #{way_node.way.id},#{way_node2.way.id}.", @response.body
 
     # in a relation...
-    content(nodes(:node_used_by_relationship).to_xml)
-    delete :delete, :id => current_nodes(:node_used_by_relationship).id
+    used_node2 = create(:node, :changeset => create(:changeset, :user => user))
+    relation_member = create(:relation_member, :member => used_node2)
+    relation_member2 = create(:relation_member, :member => used_node2)
+
+    content(used_node2.to_xml)
+    delete :delete, :id => used_node2.id
     assert_response :precondition_failed,
                     "shouldn't be able to delete a node used in a relation (#{@response.body})"
-    assert_equal "Precondition failed: Node 5 is still used by relations 1,3.", @response.body
+    assert_equal "Precondition failed: Node #{used_node2.id} is still used by relations #{relation_member.relation.id},#{relation_member2.relation.id}.", @response.body
   end
 
   ##
@@ -269,146 +283,157 @@ class NodeControllerTest < ActionController::TestCase
     ## First test with no user credentials
     # try and update a node without authorisation
     # first try to delete node without auth
-    content current_nodes(:visible_node).to_xml
-    put :update, :id => current_nodes(:visible_node).id
+    private_user = create(:user, :data_public => false)
+    private_node = create(:node, :changeset => create(:changeset, :user => private_user))
+    user = create(:user)
+    node = create(:node, :changeset => create(:changeset, :user => user))
+
+    content node.to_xml
+    put :update, :id => node.id
     assert_response :unauthorized
 
     ## Second test with the private user
 
     # setup auth
-    basic_authorization(users(:normal_user).email, "test")
+    basic_authorization(private_user.email, "test")
 
     ## trying to break changesets
 
     # try and update in someone else's changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:public_user_first_change).id)
-    put :update, :id => current_nodes(:visible_node).id
-    assert_require_public_data "update with other user's changeset should be forbidden when date isn't public"
+    content update_changeset(private_node.to_xml,
+                             create(:changeset).id)
+    put :update, :id => private_node.id
+    assert_require_public_data "update with other user's changeset should be forbidden when data isn't public"
 
     # try and update in a closed changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:normal_user_closed_change).id)
-    put :update, :id => current_nodes(:visible_node).id
+    content update_changeset(private_node.to_xml,
+                             create(:changeset, :closed, :user => private_user).id)
+    put :update, :id => private_node.id
     assert_require_public_data "update with closed changeset should be forbidden, when data isn't public"
 
     # try and update in a non-existant changeset
-    content update_changeset(current_nodes(:visible_node).to_xml, 0)
-    put :update, :id => current_nodes(:visible_node).id
-    assert_require_public_data("update with changeset=0 should be forbidden, when data isn't public")
+    content update_changeset(private_node.to_xml, 0)
+    put :update, :id => private_node.id
+    assert_require_public_data "update with changeset=0 should be forbidden, when data isn't public"
 
     ## try and submit invalid updates
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lat", 91.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(private_node.to_xml, "lat", 91.0)
+    put :update, :id => private_node.id
     assert_require_public_data "node at lat=91 should be forbidden, when data isn't public"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lat", -91.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(private_node.to_xml, "lat", -91.0)
+    put :update, :id => private_node.id
     assert_require_public_data "node at lat=-91 should be forbidden, when data isn't public"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lon", 181.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(private_node.to_xml, "lon", 181.0)
+    put :update, :id => private_node.id
     assert_require_public_data "node at lon=181 should be forbidden, when data isn't public"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lon", -181.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(private_node.to_xml, "lon", -181.0)
+    put :update, :id => private_node.id
     assert_require_public_data "node at lon=-181 should be forbidden, when data isn't public"
 
-    ## finally, produce a good request which should work
-    content current_nodes(:visible_node).to_xml
-    put :update, :id => current_nodes(:visible_node).id
+    ## finally, produce a good request which still won't work
+    content private_node.to_xml
+    put :update, :id => private_node.id
     assert_require_public_data "should have failed with a forbidden when data isn't public"
 
     ## Finally test with the public user
 
     # try and update a node without authorisation
-    # first try to delete node without auth
-    content current_nodes(:visible_node).to_xml
-    put :update, :id => current_nodes(:visible_node).id
+    # first try to update node without auth
+    content node.to_xml
+    put :update, :id => node.id
     assert_response :forbidden
 
     # setup auth
-    basic_authorization(users(:public_user).email, "test")
+    basic_authorization(user.email, "test")
 
     ## trying to break changesets
 
     # try and update in someone else's changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:normal_user_first_change).id)
-    put :update, :id => current_nodes(:visible_node).id
+    content update_changeset(node.to_xml,
+                             create(:changeset).id)
+    put :update, :id => node.id
     assert_response :conflict, "update with other user's changeset should be rejected"
 
     # try and update in a closed changeset
-    content update_changeset(current_nodes(:visible_node).to_xml,
-                             changesets(:normal_user_closed_change).id)
-    put :update, :id => current_nodes(:visible_node).id
+    content update_changeset(node.to_xml,
+                             create(:changeset, :closed, :user => user).id)
+    put :update, :id => node.id
     assert_response :conflict, "update with closed changeset should be rejected"
 
     # try and update in a non-existant changeset
-    content update_changeset(current_nodes(:visible_node).to_xml, 0)
-    put :update, :id => current_nodes(:visible_node).id
+    content update_changeset(node.to_xml, 0)
+    put :update, :id => node.id
     assert_response :conflict, "update with changeset=0 should be rejected"
 
     ## try and submit invalid updates
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lat", 91.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(node.to_xml, "lat", 91.0)
+    put :update, :id => node.id
     assert_response :bad_request, "node at lat=91 should be rejected"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lat", -91.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(node.to_xml, "lat", -91.0)
+    put :update, :id => node.id
     assert_response :bad_request, "node at lat=-91 should be rejected"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lon", 181.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(node.to_xml, "lon", 181.0)
+    put :update, :id => node.id
     assert_response :bad_request, "node at lon=181 should be rejected"
 
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml, "lon", -181.0)
-    put :update, :id => current_nodes(:visible_node).id
+    content xml_attr_rewrite(node.to_xml, "lon", -181.0)
+    put :update, :id => node.id
     assert_response :bad_request, "node at lon=-181 should be rejected"
 
     ## next, attack the versioning
-    current_node_version = current_nodes(:visible_node).version
+    current_node_version = node.version
 
     # try and submit a version behind
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml,
+    content xml_attr_rewrite(node.to_xml,
                              "version", current_node_version - 1)
-    put :update, :id => current_nodes(:visible_node).id
+    put :update, :id => node.id
     assert_response :conflict, "should have failed on old version number"
 
     # try and submit a version ahead
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml,
+    content xml_attr_rewrite(node.to_xml,
                              "version", current_node_version + 1)
-    put :update, :id => current_nodes(:visible_node).id
+    put :update, :id => node.id
     assert_response :conflict, "should have failed on skipped version number"
 
     # try and submit total crap in the version field
-    content xml_attr_rewrite(current_nodes(:visible_node).to_xml,
+    content xml_attr_rewrite(node.to_xml,
                              "version", "p1r4t3s!")
-    put :update, :id => current_nodes(:visible_node).id
+    put :update, :id => node.id
     assert_response :conflict,
                     "should not be able to put 'p1r4at3s!' in the version field"
 
     ## try an update with the wrong ID
-    content current_nodes(:public_visible_node).to_xml
-    put :update, :id => current_nodes(:visible_node).id
+    content create(:node).to_xml
+    put :update, :id => node.id
     assert_response :bad_request,
                     "should not be able to update a node with a different ID from the XML"
 
     ## try an update with a minimal valid XML doc which isn't a well-formed OSM doc.
     content "<update/>"
-    put :update, :id => current_nodes(:visible_node).id
+    put :update, :id => node.id
     assert_response :bad_request,
                     "should not be able to update a node with non-OSM XML doc."
 
     ## finally, produce a good request which should work
-    content current_nodes(:public_visible_node).to_xml
-    put :update, :id => current_nodes(:public_visible_node).id
+    content node.to_xml
+    put :update, :id => node.id
     assert_response :success, "a valid update request failed"
   end
 
   ##
   # test fetching multiple nodes
   def test_nodes
+    node1 = create(:node)
+    node2 = create(:node, :deleted)
+    node3 = create(:node)
+    node4 = create(:node, :with_history, :version => 2)
+    node5 = create(:node, :deleted, :with_history, :version => 2)
+
     # check error when no parameter provided
     get :nodes
     assert_response :bad_request
@@ -418,67 +443,71 @@ class NodeControllerTest < ActionController::TestCase
     assert_response :bad_request
 
     # test a working call
-    get :nodes, :nodes => "1,2,4,15,17"
+    get :nodes, :nodes => "#{node1.id},#{node2.id},#{node3.id},#{node4.id},#{node5.id}"
     assert_response :success
     assert_select "osm" do
       assert_select "node", :count => 5
-      assert_select "node[id='1'][visible='true']", :count => 1
-      assert_select "node[id='2'][visible='false']", :count => 1
-      assert_select "node[id='4'][visible='true']", :count => 1
-      assert_select "node[id='15'][visible='true']", :count => 1
-      assert_select "node[id='17'][visible='false']", :count => 1
+      assert_select "node[id='#{node1.id}'][visible='true']", :count => 1
+      assert_select "node[id='#{node2.id}'][visible='false']", :count => 1
+      assert_select "node[id='#{node3.id}'][visible='true']", :count => 1
+      assert_select "node[id='#{node4.id}'][visible='true']", :count => 1
+      assert_select "node[id='#{node5.id}'][visible='false']", :count => 1
     end
 
     # check error when a non-existent node is included
-    get :nodes, :nodes => "1,2,4,15,17,400"
+    get :nodes, :nodes => "#{node1.id},#{node2.id},#{node3.id},#{node4.id},#{node5.id},400"
     assert_response :not_found
   end
 
   ##
   # test adding tags to a node
   def test_duplicate_tags
-    existing = create(:node_tag, :node => current_nodes(:public_visible_node))
+    existing_tag = create(:node_tag)
+    assert_equal true, existing_tag.node.changeset.user.data_public
     # setup auth
-    basic_authorization(users(:public_user).email, "test")
+    basic_authorization(existing_tag.node.changeset.user.email, "test")
 
     # add an identical tag to the node
     tag_xml = XML::Node.new("tag")
-    tag_xml["k"] = existing.k
-    tag_xml["v"] = existing.v
+    tag_xml["k"] = existing_tag.k
+    tag_xml["v"] = existing_tag.v
 
     # add the tag into the existing xml
-    node_xml = current_nodes(:public_visible_node).to_xml
+    node_xml = existing_tag.node.to_xml
     node_xml.find("//osm/node").first << tag_xml
 
     # try and upload it
     content node_xml
-    put :update, :id => current_nodes(:public_visible_node).id
+    put :update, :id => existing_tag.node.id
     assert_response :bad_request,
                     "adding duplicate tags to a node should fail with 'bad request'"
-    assert_equal "Element node/#{current_nodes(:public_visible_node).id} has duplicate tags with key #{existing.k}", @response.body
+    assert_equal "Element node/#{existing_tag.node.id} has duplicate tags with key #{existing_tag.k}", @response.body
   end
 
   # test whether string injection is possible
   def test_string_injection
+    private_user = create(:user, :data_public => false)
+    private_changeset = create(:changeset, :user => private_user)
+    user = create(:user)
+    changeset = create(:changeset, :user => user)
+
     ## First try with the non-data public user
-    basic_authorization(users(:normal_user).email, "test")
-    changeset_id = changesets(:normal_user_first_change).id
+    basic_authorization(private_user.email, "test")
 
     # try and put something into a string that the API might
     # use unquoted and therefore allow code injection...
-    content "<osm><node lat='0' lon='0' changeset='#{changeset_id}'>" +
+    content "<osm><node lat='0' lon='0' changeset='#{private_changeset.id}'>" +
             '<tag k="#{@user.inspect}" v="0"/>' +
             "</node></osm>"
     put :create
     assert_require_public_data "Shouldn't be able to create with non-public user"
 
     ## Then try with the public data user
-    basic_authorization(users(:public_user).email, "test")
-    changeset_id = changesets(:public_user_first_change).id
+    basic_authorization(user.email, "test")
 
     # try and put something into a string that the API might
     # use unquoted and therefore allow code injection...
-    content "<osm><node lat='0' lon='0' changeset='#{changeset_id}'>" +
+    content "<osm><node lat='0' lon='0' changeset='#{changeset.id}'>" +
             '<tag k="#{@user.inspect}" v="0"/>' +
             "</node></osm>"
     put :create