4 class NodesControllerTest < ActionDispatch::IntegrationTest
6 # test all routes which lead to this controller
9 { :path => "/api/0.6/nodes", :method => :get },
10 { :controller => "api/nodes", :action => "index" }
13 { :path => "/api/0.6/nodes.json", :method => :get },
14 { :controller => "api/nodes", :action => "index", :format => "json" }
17 { :path => "/api/0.6/nodes", :method => :post },
18 { :controller => "api/nodes", :action => "create" }
21 { :path => "/api/0.6/node/1", :method => :get },
22 { :controller => "api/nodes", :action => "show", :id => "1" }
25 { :path => "/api/0.6/node/1.json", :method => :get },
26 { :controller => "api/nodes", :action => "show", :id => "1", :format => "json" }
29 { :path => "/api/0.6/node/1", :method => :put },
30 { :controller => "api/nodes", :action => "update", :id => "1" }
33 { :path => "/api/0.6/node/1", :method => :delete },
34 { :controller => "api/nodes", :action => "destroy", :id => "1" }
38 { :controller => "api/nodes", :action => "create" },
39 { :path => "/api/0.6/node/create", :method => :put }
44 # test fetching multiple nodes
47 node2 = create(:node, :deleted)
49 node4 = create(:node, :with_history, :version => 2)
50 node5 = create(:node, :deleted, :with_history, :version => 2)
52 # check error when no parameter provided
54 assert_response :bad_request
56 # check error when no parameter value provided
57 get api_nodes_path(:nodes => "")
58 assert_response :bad_request
61 get api_nodes_path(:nodes => "#{node1.id},#{node2.id},#{node3.id},#{node4.id},#{node5.id}")
62 assert_response :success
63 assert_select "osm" do
64 assert_select "node", :count => 5
65 assert_select "node[id='#{node1.id}'][visible='true']", :count => 1
66 assert_select "node[id='#{node2.id}'][visible='false']", :count => 1
67 assert_select "node[id='#{node3.id}'][visible='true']", :count => 1
68 assert_select "node[id='#{node4.id}'][visible='true']", :count => 1
69 assert_select "node[id='#{node5.id}'][visible='false']", :count => 1
72 # test a working call with json format
73 get api_nodes_path(:nodes => "#{node1.id},#{node2.id},#{node3.id},#{node4.id},#{node5.id}", :format => "json")
75 js = ActiveSupport::JSON.decode(@response.body)
77 assert_equal 5, js["elements"].count
78 assert_equal 5, (js["elements"].count { |a| a["type"] == "node" })
79 assert_equal 1, (js["elements"].count { |a| a["id"] == node1.id && a["visible"].nil? })
80 assert_equal 1, (js["elements"].count { |a| a["id"] == node2.id && a["visible"] == false })
81 assert_equal 1, (js["elements"].count { |a| a["id"] == node3.id && a["visible"].nil? })
82 assert_equal 1, (js["elements"].count { |a| a["id"] == node4.id && a["visible"].nil? })
83 assert_equal 1, (js["elements"].count { |a| a["id"] == node5.id && a["visible"] == false })
85 # check error when a non-existent node is included
86 get api_nodes_path(:nodes => "#{node1.id},#{node2.id},#{node3.id},#{node4.id},#{node5.id},0")
87 assert_response :not_found
91 private_user = create(:user, :data_public => false)
92 private_changeset = create(:changeset, :user => private_user)
94 changeset = create(:changeset, :user => user)
96 # create a node with random lat/lon
97 lat = rand(-50..50) + rand
98 lon = rand(-50..50) + rand
100 ## First try with no auth
101 # create a minimal xml file
102 xml = "<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'/></osm>"
103 assert_difference("OldNode.count", 0) do
104 post api_nodes_path, :params => xml
106 # hope for unauthorized
107 assert_response :unauthorized, "node upload did not return unauthorized status"
109 ## Now try with the user which doesn't have their data public
110 auth_header = bearer_authorization_header private_user
112 # create a minimal xml file
113 xml = "<osm><node lat='#{lat}' lon='#{lon}' changeset='#{private_changeset.id}'/></osm>"
114 assert_difference("Node.count", 0) do
115 post api_nodes_path, :params => xml, :headers => auth_header
118 assert_require_public_data "node create did not return forbidden status"
120 ## Now try with the user that has the public data
121 auth_header = bearer_authorization_header user
123 # create a minimal xml file
124 xml = "<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'/></osm>"
125 post api_nodes_path, :params => xml, :headers => auth_header
127 assert_response :success, "node upload did not return success status"
129 # read id of created node and search for it
130 nodeid = @response.body
131 checknode = Node.find(nodeid)
132 assert_not_nil checknode, "uploaded node not found in data base after upload"
134 assert_in_delta lat * 10000000, checknode.latitude, 1, "saved node does not match requested latitude"
135 assert_in_delta lon * 10000000, checknode.longitude, 1, "saved node does not match requested longitude"
136 assert_equal changeset.id, checknode.changeset_id, "saved node does not belong to changeset that it was created in"
137 assert checknode.visible, "saved node is not visible"
140 def test_create_invalid_xml
141 ## Only test public user here, as test_create should cover what's the forbidden
142 ## that would occur here
145 changeset = create(:changeset, :user => user)
147 auth_header = bearer_authorization_header user
151 # test that the upload is rejected when xml is valid, but osm doc isn't
153 post api_nodes_path, :params => xml, :headers => auth_header
154 assert_response :bad_request, "node upload did not return bad_request status"
155 assert_equal "Cannot parse valid node from xml string <create/>. XML doesn't contain an osm/node element.", @response.body
157 # test that the upload is rejected when no lat is supplied
158 # create a minimal xml file
159 xml = "<osm><node lon='#{lon}' changeset='#{changeset.id}'/></osm>"
160 post api_nodes_path, :params => xml, :headers => auth_header
162 assert_response :bad_request, "node upload did not return bad_request status"
163 assert_equal "Cannot parse valid node from xml string <node lon=\"3.23\" changeset=\"#{changeset.id}\"/>. lat missing", @response.body
165 # test that the upload is rejected when no lon is supplied
166 # create a minimal xml file
167 xml = "<osm><node lat='#{lat}' changeset='#{changeset.id}'/></osm>"
168 post api_nodes_path, :params => xml, :headers => auth_header
170 assert_response :bad_request, "node upload did not return bad_request status"
171 assert_equal "Cannot parse valid node from xml string <node lat=\"3.434\" changeset=\"#{changeset.id}\"/>. lon missing", @response.body
173 # test that the upload is rejected when lat is non-numeric
174 # create a minimal xml file
175 xml = "<osm><node lat='abc' lon='#{lon}' changeset='#{changeset.id}'/></osm>"
176 post api_nodes_path, :params => xml, :headers => auth_header
178 assert_response :bad_request, "node upload did not return bad_request status"
179 assert_equal "Cannot parse valid node from xml string <node lat=\"abc\" lon=\"#{lon}\" changeset=\"#{changeset.id}\"/>. lat not a number", @response.body
181 # test that the upload is rejected when lon is non-numeric
182 # create a minimal xml file
183 xml = "<osm><node lat='#{lat}' lon='abc' changeset='#{changeset.id}'/></osm>"
184 post api_nodes_path, :params => xml, :headers => auth_header
186 assert_response :bad_request, "node upload did not return bad_request status"
187 assert_equal "Cannot parse valid node from xml string <node lat=\"#{lat}\" lon=\"abc\" changeset=\"#{changeset.id}\"/>. lon not a number", @response.body
189 # test that the upload is rejected when we have a tag which is too long
190 xml = "<osm><node lat='#{lat}' lon='#{lon}' changeset='#{changeset.id}'><tag k='foo' v='#{'x' * 256}'/></node></osm>"
191 post api_nodes_path, :params => xml, :headers => auth_header
192 assert_response :bad_request, "node upload did not return bad_request status"
193 assert_match(/ v: is too long \(maximum is 255 characters\) /, @response.body)
197 # check that a visible node is returned properly
198 get api_node_path(create(:node))
199 assert_response :success
201 # check that an deleted node is not returned
202 get api_node_path(create(:node, :deleted))
203 assert_response :gone
205 # check chat a non-existent node is not returned
207 assert_response :not_found
210 # Ensure the lat/lon is formatted as a decimal e.g. not 4.0e-05
211 def test_lat_lon_xml_format
212 node = create(:node, :latitude => (0.00004 * OldNode::SCALE).to_i, :longitude => (0.00008 * OldNode::SCALE).to_i)
214 get api_node_path(node)
215 assert_match(/lat="0.0000400"/, response.body)
216 assert_match(/lon="0.0000800"/, response.body)
219 # this tests deletion restrictions - basic deletion is tested in the unit
222 private_user = create(:user, :data_public => false)
223 private_user_changeset = create(:changeset, :user => private_user)
224 private_user_closed_changeset = create(:changeset, :closed, :user => private_user)
225 private_node = create(:node, :changeset => private_user_changeset)
226 private_deleted_node = create(:node, :deleted, :changeset => private_user_changeset)
228 ## first try to delete node without auth
229 delete api_node_path(private_node)
230 assert_response :unauthorized
232 ## now set auth for the non-data public user
233 auth_header = bearer_authorization_header private_user
235 # try to delete with an invalid (closed) changeset
236 xml = update_changeset(xml_for_node(private_node), private_user_closed_changeset.id)
237 delete api_node_path(private_node), :params => xml.to_s, :headers => auth_header
238 assert_require_public_data("non-public user shouldn't be able to delete node")
240 # try to delete with an invalid (non-existent) changeset
241 xml = update_changeset(xml_for_node(private_node), 0)
242 delete api_node_path(private_node), :params => xml.to_s, :headers => auth_header
243 assert_require_public_data("shouldn't be able to delete node, when user's data is private")
245 # valid delete now takes a payload
246 xml = xml_for_node(private_node)
247 delete api_node_path(private_node), :params => xml.to_s, :headers => auth_header
248 assert_require_public_data("shouldn't be able to delete node when user's data isn't public'")
250 # this won't work since the node is already deleted
251 xml = xml_for_node(private_deleted_node)
252 delete api_node_path(private_deleted_node), :params => xml.to_s, :headers => auth_header
253 assert_require_public_data
255 # this won't work since the node never existed
256 delete api_node_path(0), :headers => auth_header
257 assert_require_public_data
259 ## these test whether nodes which are in-use can be deleted:
261 private_used_node = create(:node, :changeset => private_user_changeset)
262 create(:way_node, :node => private_used_node)
264 xml = xml_for_node(private_used_node)
265 delete api_node_path(private_used_node), :params => xml.to_s, :headers => auth_header
266 assert_require_public_data "shouldn't be able to delete a node used in a way (#{@response.body})"
269 private_used_node2 = create(:node, :changeset => private_user_changeset)
270 create(:relation_member, :member => private_used_node2)
272 xml = xml_for_node(private_used_node2)
273 delete api_node_path(private_used_node2), :params => xml.to_s, :headers => auth_header
274 assert_require_public_data "shouldn't be able to delete a node used in a relation (#{@response.body})"
276 ## now setup for the public data user
277 user = create(:user, :data_public => true)
278 changeset = create(:changeset, :user => user)
279 closed_changeset = create(:changeset, :closed, :user => user)
280 node = create(:node, :changeset => changeset)
281 auth_header = bearer_authorization_header user
283 # try to delete with an invalid (closed) changeset
284 xml = update_changeset(xml_for_node(node), closed_changeset.id)
285 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
286 assert_response :conflict
288 # try to delete with an invalid (non-existent) changeset
289 xml = update_changeset(xml_for_node(node), 0)
290 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
291 assert_response :conflict
293 # try to delete a node with a different ID
294 other_node = create(:node)
295 xml = xml_for_node(other_node)
296 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
297 assert_response :bad_request,
298 "should not be able to delete a node with a different ID from the XML"
300 # try to delete a node rubbish in the payloads
302 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
303 assert_response :bad_request,
304 "should not be able to delete a node without a valid XML payload"
306 # valid delete now takes a payload
307 xml = xml_for_node(node)
308 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
309 assert_response :success
311 # valid delete should return the new version number, which should
312 # be greater than the old version number
313 assert_operator @response.body.to_i, :>, node.version, "delete request should return a new version number for node"
315 # deleting the same node twice doesn't work
316 xml = xml_for_node(node)
317 delete api_node_path(node), :params => xml.to_s, :headers => auth_header
318 assert_response :gone
320 # this won't work since the node never existed
321 delete api_node_path(0), :headers => auth_header
322 assert_response :not_found
324 ## these test whether nodes which are in-use can be deleted:
326 used_node = create(:node, :changeset => create(:changeset, :user => user))
327 way_node = create(:way_node, :node => used_node)
328 way_node2 = create(:way_node, :node => used_node)
330 xml = xml_for_node(used_node)
331 delete api_node_path(used_node), :params => xml.to_s, :headers => auth_header
332 assert_response :precondition_failed,
333 "shouldn't be able to delete a node used in a way (#{@response.body})"
334 assert_equal "Precondition failed: Node #{used_node.id} is still used by ways #{way_node.way.id},#{way_node2.way.id}.", @response.body
337 used_node2 = create(:node, :changeset => create(:changeset, :user => user))
338 relation_member = create(:relation_member, :member => used_node2)
339 relation_member2 = create(:relation_member, :member => used_node2)
341 xml = xml_for_node(used_node2)
342 delete api_node_path(used_node2), :params => xml.to_s, :headers => auth_header
343 assert_response :precondition_failed,
344 "shouldn't be able to delete a node used in a relation (#{@response.body})"
345 assert_equal "Precondition failed: Node #{used_node2.id} is still used by relations #{relation_member.relation.id},#{relation_member2.relation.id}.", @response.body
349 # tests whether the API works and prevents incorrect use while trying
352 invalid_attr_values = [["lat", 91.0], ["lat", -91.0], ["lon", 181.0], ["lon", -181.0]]
354 ## First test with no user credentials
355 # try and update a node without authorisation
356 # first try to delete node without auth
357 private_user = create(:user, :data_public => false)
358 private_node = create(:node, :changeset => create(:changeset, :user => private_user))
360 node = create(:node, :changeset => create(:changeset, :user => user))
362 xml = xml_for_node(node)
363 put api_node_path(node), :params => xml.to_s
364 assert_response :unauthorized
366 ## Second test with the private user
369 auth_header = bearer_authorization_header private_user
371 ## trying to break changesets
373 # try and update in someone else's changeset
374 xml = update_changeset(xml_for_node(private_node),
375 create(:changeset).id)
376 put api_node_path(private_node), :params => xml.to_s, :headers => auth_header
377 assert_require_public_data "update with other user's changeset should be forbidden when data isn't public"
379 # try and update in a closed changeset
380 xml = update_changeset(xml_for_node(private_node),
381 create(:changeset, :closed, :user => private_user).id)
382 put api_node_path(private_node), :params => xml.to_s, :headers => auth_header
383 assert_require_public_data "update with closed changeset should be forbidden, when data isn't public"
385 # try and update in a non-existant changeset
386 xml = update_changeset(xml_for_node(private_node), 0)
387 put api_node_path(private_node), :params => xml.to_s, :headers => auth_header
388 assert_require_public_data "update with changeset=0 should be forbidden, when data isn't public"
390 ## try and submit invalid updates
391 invalid_attr_values.each do |name, value|
392 xml = xml_attr_rewrite(xml_for_node(private_node), name, value)
393 put api_node_path(private_node), :params => xml.to_s, :headers => auth_header
394 assert_require_public_data "node at #{name}=#{value} should be forbidden, when data isn't public"
397 ## finally, produce a good request which still won't work
398 xml = xml_for_node(private_node)
399 put api_node_path(private_node), :params => xml.to_s, :headers => auth_header
400 assert_require_public_data "should have failed with a forbidden when data isn't public"
402 ## Finally test with the public user
404 # try and update a node without authorisation
405 # first try to update node without auth
406 xml = xml_for_node(node)
407 put api_node_path(node), :params => xml.to_s, :headers => auth_header
408 assert_response :forbidden
411 auth_header = bearer_authorization_header user
413 ## trying to break changesets
415 # try and update in someone else's changeset
416 xml = update_changeset(xml_for_node(node),
417 create(:changeset).id)
418 put api_node_path(node), :params => xml.to_s, :headers => auth_header
419 assert_response :conflict, "update with other user's changeset should be rejected"
421 # try and update in a closed changeset
422 xml = update_changeset(xml_for_node(node),
423 create(:changeset, :closed, :user => user).id)
424 put api_node_path(node), :params => xml.to_s, :headers => auth_header
425 assert_response :conflict, "update with closed changeset should be rejected"
427 # try and update in a non-existant changeset
428 xml = update_changeset(xml_for_node(node), 0)
429 put api_node_path(node), :params => xml.to_s, :headers => auth_header
430 assert_response :conflict, "update with changeset=0 should be rejected"
432 ## try and submit invalid updates
433 invalid_attr_values.each do |name, value|
434 xml = xml_attr_rewrite(xml_for_node(node), name, value)
435 put api_node_path(node), :params => xml.to_s, :headers => auth_header
436 assert_response :bad_request, "node at #{name}=#{value} should be rejected"
439 ## next, attack the versioning
440 current_node_version = node.version
442 # try and submit a version behind
443 xml = xml_attr_rewrite(xml_for_node(node),
444 "version", current_node_version - 1)
445 put api_node_path(node), :params => xml.to_s, :headers => auth_header
446 assert_response :conflict, "should have failed on old version number"
448 # try and submit a version ahead
449 xml = xml_attr_rewrite(xml_for_node(node),
450 "version", current_node_version + 1)
451 put api_node_path(node), :params => xml.to_s, :headers => auth_header
452 assert_response :conflict, "should have failed on skipped version number"
454 # try and submit total crap in the version field
455 xml = xml_attr_rewrite(xml_for_node(node),
456 "version", "p1r4t3s!")
457 put api_node_path(node), :params => xml.to_s, :headers => auth_header
458 assert_response :conflict,
459 "should not be able to put 'p1r4at3s!' in the version field"
461 ## try an update with the wrong ID
462 xml = xml_for_node(create(:node))
463 put api_node_path(node), :params => xml.to_s, :headers => auth_header
464 assert_response :bad_request,
465 "should not be able to update a node with a different ID from the XML"
467 ## try an update with a minimal valid XML doc which isn't a well-formed OSM doc.
469 put api_node_path(node), :params => xml.to_s, :headers => auth_header
470 assert_response :bad_request,
471 "should not be able to update a node with non-OSM XML doc."
473 ## finally, produce a good request which should work
474 xml = xml_for_node(node)
475 put api_node_path(node), :params => xml.to_s, :headers => auth_header
476 assert_response :success, "a valid update request failed"
480 # test adding tags to a node
481 def test_duplicate_tags
482 existing_tag = create(:node_tag)
483 assert existing_tag.node.changeset.user.data_public
485 auth_header = bearer_authorization_header existing_tag.node.changeset.user
487 # add an identical tag to the node
488 tag_xml = XML::Node.new("tag")
489 tag_xml["k"] = existing_tag.k
490 tag_xml["v"] = existing_tag.v
492 # add the tag into the existing xml
493 node_xml = xml_for_node(existing_tag.node)
494 node_xml.find("//osm/node").first << tag_xml
497 put api_node_path(existing_tag.node), :params => node_xml.to_s, :headers => auth_header
498 assert_response :bad_request,
499 "adding duplicate tags to a node should fail with 'bad request'"
500 assert_equal "Element node/#{existing_tag.node.id} has duplicate tags with key #{existing_tag.k}", @response.body
503 # test whether string injection is possible
504 def test_string_injection
505 private_user = create(:user, :data_public => false)
506 private_changeset = create(:changeset, :user => private_user)
508 changeset = create(:changeset, :user => user)
510 ## First try with the non-data public user
511 auth_header = bearer_authorization_header private_user
513 # try and put something into a string that the API might
514 # use unquoted and therefore allow code injection...
515 xml = "<osm><node lat='0' lon='0' changeset='#{private_changeset.id}'>" \
516 "<tag k='\#{@user.inspect}' v='0'/>" \
518 post api_nodes_path, :params => xml, :headers => auth_header
519 assert_require_public_data "Shouldn't be able to create with non-public user"
521 ## Then try with the public data user
522 auth_header = bearer_authorization_header user
524 # try and put something into a string that the API might
525 # use unquoted and therefore allow code injection...
526 xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'>" \
527 "<tag k='\#{@user.inspect}' v='0'/>" \
529 post api_nodes_path, :params => xml, :headers => auth_header
530 assert_response :success
531 nodeid = @response.body
533 # find the node in the database
534 checknode = Node.find(nodeid)
535 assert_not_nil checknode, "node not found in data base after upload"
537 # and grab it using the api
538 get api_node_path(nodeid)
539 assert_response :success
540 apinode = Node.from_xml(@response.body)
541 assert_not_nil apinode, "downloaded node is nil, but shouldn't be"
543 # check the tags are not corrupted
544 assert_equal checknode.tags, apinode.tags
545 assert_includes apinode.tags, "\#{@user.inspect}"
549 # test initial rate limit
550 def test_initial_rate_limit
554 # create a changeset that puts us near the initial rate limit
555 changeset = create(:changeset, :user => user,
556 :created_at => Time.now.utc - 5.minutes,
557 :num_changes => Settings.initial_changes_per_hour - 1)
559 # create authentication header
560 auth_header = bearer_authorization_header user
562 # try creating a node
563 xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
564 post api_nodes_path, :params => xml, :headers => auth_header
565 assert_response :success, "node create did not return success status"
567 # get the id of the node we created
568 nodeid = @response.body
570 # try updating the node, which should be rate limited
571 xml = "<osm><node id='#{nodeid}' version='1' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
572 put api_node_path(nodeid), :params => xml, :headers => auth_header
573 assert_response :too_many_requests, "node update did not hit rate limit"
575 # try deleting the node, which should be rate limited
576 xml = "<osm><node id='#{nodeid}' version='2' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
577 delete api_node_path(nodeid), :params => xml, :headers => auth_header
578 assert_response :too_many_requests, "node delete did not hit rate limit"
580 # try creating a node, which should be rate limited
581 xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
582 post api_nodes_path, :params => xml, :headers => auth_header
583 assert_response :too_many_requests, "node create did not hit rate limit"
587 # test maximum rate limit
588 def test_maximum_rate_limit
592 # create a changeset to establish our initial edit time
593 changeset = create(:changeset, :user => user,
594 :created_at => Time.now.utc - 28.days)
596 # create changeset to put us near the maximum rate limit
597 total_changes = Settings.max_changes_per_hour - 1
598 while total_changes.positive?
599 changes = [total_changes, Changeset::MAX_ELEMENTS].min
600 changeset = create(:changeset, :user => user,
601 :created_at => Time.now.utc - 5.minutes,
602 :num_changes => changes)
603 total_changes -= changes
606 # create authentication header
607 auth_header = bearer_authorization_header user
609 # try creating a node
610 xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
611 post api_nodes_path, :params => xml, :headers => auth_header
612 assert_response :success, "node create did not return success status"
614 # get the id of the node we created
615 nodeid = @response.body
617 # try updating the node, which should be rate limited
618 xml = "<osm><node id='#{nodeid}' version='1' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
619 put api_node_path(nodeid), :params => xml, :headers => auth_header
620 assert_response :too_many_requests, "node update did not hit rate limit"
622 # try deleting the node, which should be rate limited
623 xml = "<osm><node id='#{nodeid}' version='2' lat='1' lon='1' changeset='#{changeset.id}'/></osm>"
624 delete api_node_path(nodeid), :params => xml, :headers => auth_header
625 assert_response :too_many_requests, "node delete did not hit rate limit"
627 # try creating a node, which should be rate limited
628 xml = "<osm><node lat='0' lon='0' changeset='#{changeset.id}'/></osm>"
629 post api_nodes_path, :params => xml, :headers => auth_header
630 assert_response :too_many_requests, "node create did not hit rate limit"
636 # update the changeset_id of a node element
637 def update_changeset(xml, changeset_id)
638 xml_attr_rewrite(xml, "changeset", changeset_id)
642 # update an attribute in the node element
643 def xml_attr_rewrite(xml, name, value)
644 xml.find("//osm/node").first[name] = value.to_s