X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/bed9cd00ed166ce346da4b8a9b654ddf86e64e70..c20f55045d1a26bc42038c0e87deaaf120d98e43:/app/controllers/amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 331487a93..d88c5ac19 100644
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -41,93 +41,102 @@ class AmfController < ApplicationController
   include MapBoundary
 
   session :off
-  before_filter :check_write_availability
+  before_filter :check_api_writable
 
   # Main AMF handlers: process the raw AMF string (using AMF library) and
   # calls each action (private method) accordingly.
   # ** FIXME: refactor to reduce duplication of code across read/write
   
   def amf_read
-    req=StringIO.new(request.raw_post+0.chr)# Get POST data as request
-                              # (cf http://www.ruby-forum.com/topic/122163)
-    req.read(2)								# Skip version indicator and client ID
-    results={}								# Results of each body
+    if request.post?
+      req=StringIO.new(request.raw_post+0.chr)# Get POST data as request
+                                # (cf http://www.ruby-forum.com/topic/122163)
+      req.read(2)								# Skip version indicator and client ID
+      results={}								# Results of each body
 
-    # Parse request
+      # Parse request
 
-    headers=AMF.getint(req)					# Read number of headers
+      headers=AMF.getint(req)				# Read number of headers
 
-    headers.times do						# Read each header
-      name=AMF.getstring(req)				#  |
-      req.getc				   				#  | skip boolean
-      value=AMF.getvalue(req)				#  |
-      header["name"]=value					#  |
-    end
+      headers.times do					# Read each header
+        name=AMF.getstring(req)				#  |
+        req.getc				   	#  | skip boolean
+        value=AMF.getvalue(req)				#  |
+        header["name"]=value				#  |
+      end
 
-    bodies=AMF.getint(req)					# Read number of bodies
-    bodies.times do							# Read each body
-      message=AMF.getstring(req)			#  | get message name
-      index=AMF.getstring(req)				#  | get index in response sequence
-      bytes=AMF.getlong(req)				#  | get total size in bytes
-      args=AMF.getvalue(req)				#  | get response (probably an array)
-      logger.info("Executing AMF #{message}:#{index}")
-
-      case message
-        when 'getpresets';			results[index]=AMF.putdata(index,getpresets())
-        when 'whichways';			results[index]=AMF.putdata(index,whichways(*args))
-        when 'whichways_deleted';	results[index]=AMF.putdata(index,whichways_deleted(*args))
-        when 'getway';				results[index]=AMF.putdata(index,getway(args[0].to_i))
-        when 'getrelation';			results[index]=AMF.putdata(index,getrelation(args[0].to_i))
-        when 'getway_old';			results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1]))
-        when 'getway_history';		results[index]=AMF.putdata(index,getway_history(args[0].to_i))
-        when 'getnode_history';		results[index]=AMF.putdata(index,getnode_history(args[0].to_i))
-        when 'findgpx';				results[index]=AMF.putdata(index,findgpx(*args))
-        when 'findrelations';		results[index]=AMF.putdata(index,findrelations(*args))
-        when 'getpoi';				results[index]=AMF.putdata(index,getpoi(*args))
+      bodies=AMF.getint(req)				# Read number of bodies
+      bodies.times do					# Read each body
+        message=AMF.getstring(req)			#  | get message name
+        index=AMF.getstring(req)			#  | get index in response sequence
+        bytes=AMF.getlong(req)				#  | get total size in bytes
+        args=AMF.getvalue(req)				#  | get response (probably an array)
+        logger.info("Executing AMF #{message}:#{index}")
+
+        case message
+          when 'getpresets';		results[index]=AMF.putdata(index,getpresets())
+          when 'whichways';		results[index]=AMF.putdata(index,whichways(*args))
+          when 'whichways_deleted';	results[index]=AMF.putdata(index,whichways_deleted(*args))
+          when 'getway';		r=AMF.putdata(index,getway(args[0].to_i))
+                                        results[index]=r
+          when 'getrelation';		results[index]=AMF.putdata(index,getrelation(args[0].to_i))
+          when 'getway_old';		results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1]))
+          when 'getway_history';	results[index]=AMF.putdata(index,getway_history(args[0].to_i))
+          when 'getnode_history';	results[index]=AMF.putdata(index,getnode_history(args[0].to_i))
+          when 'findgpx';		results[index]=AMF.putdata(index,findgpx(*args))
+          when 'findrelations';		results[index]=AMF.putdata(index,findrelations(*args))
+          when 'getpoi';		results[index]=AMF.putdata(index,getpoi(*args))
+        end
       end
+      logger.info("encoding AMF results")
+      sendresponse(results)
+    else
+      render :nothing => true, :status => :method_not_allowed
     end
-    logger.info("encoding AMF results")
-    sendresponse(results)
   end
 
   def amf_write
-    req=StringIO.new(request.raw_post+0.chr)
-    req.read(2)
-    results={}
-    renumberednodes={}						# Shared across repeated putways
-    renumberedways={}						# Shared across repeated putways
-
-    headers=AMF.getint(req)					# Read number of headers
-    headers.times do						# Read each header
-      name=AMF.getstring(req)				#  |
-      req.getc				   				#  | skip boolean
-      value=AMF.getvalue(req)				#  |
-      header["name"]=value					#  |
-    end
+    if request.post?
+      req=StringIO.new(request.raw_post+0.chr)
+      req.read(2)
+      results={}
+      renumberednodes={}				# Shared across repeated putways
+      renumberedways={}					# Shared across repeated putways
+
+      headers=AMF.getint(req)				# Read number of headers
+      headers.times do					# Read each header
+        name=AMF.getstring(req)				#  |
+        req.getc					#  | skip boolean
+        value=AMF.getvalue(req)				#  |
+        header["name"]=value				#  |
+      end
 
-    bodies=AMF.getint(req)					# Read number of bodies
-    bodies.times do							# Read each body
-      message=AMF.getstring(req)			#  | get message name
-      index=AMF.getstring(req)				#  | get index in response sequence
-      bytes=AMF.getlong(req)				#  | get total size in bytes
-      args=AMF.getvalue(req)				#  | get response (probably an array)
-
-      logger.info("Executing AMF #{message}:#{index}")
-      case message
-        when 'putway';				r=putway(renumberednodes,*args)
-									renumberednodes=r[3]
-									if r[1] != r[2] then renumberedways[r[1]] = r[2] end
-									results[index]=AMF.putdata(index,r)
-        when 'putrelation';			results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
-        when 'deleteway';			results[index]=AMF.putdata(index,deleteway(*args))
-        when 'putpoi';				r=putpoi(*args)
-									if r[1] != r[2] then renumberednodes[r[1]] = r[2] end
-        							results[index]=AMF.putdata(index,r)
-        when 'startchangeset';		results[index]=AMF.putdata(index,startchangeset(*args))
+      bodies=AMF.getint(req)				# Read number of bodies
+      bodies.times do					# Read each body
+        message=AMF.getstring(req)			#  | get message name
+        index=AMF.getstring(req)			#  | get index in response sequence
+        bytes=AMF.getlong(req)				#  | get total size in bytes
+        args=AMF.getvalue(req)				#  | get response (probably an array)
+
+        logger.info("Executing AMF #{message}:#{index}")
+        case message
+          when 'putway';			r=putway(renumberednodes,*args)
+						renumberednodes=r[3]
+						if r[1] != r[2] then renumberedways[r[1]] = r[2] end
+						results[index]=AMF.putdata(index,r)
+          when 'putrelation';			results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
+          when 'deleteway';			results[index]=AMF.putdata(index,deleteway(*args))
+          when 'putpoi';			r=putpoi(*args)
+						if r[1] != r[2] then renumberednodes[r[1]] = r[2] end
+        					results[index]=AMF.putdata(index,r)
+          when 'startchangeset';		results[index]=AMF.putdata(index,startchangeset(*args))
+        end
       end
+      logger.info("encoding AMF results")
+      sendresponse(results)
+    else
+      render :nothing => true, :status => :method_not_allowed
     end
-    logger.info("encoding AMF results")
-    sendresponse(results)
   end
 
   private
@@ -157,7 +166,7 @@ class AmfController < ApplicationController
     cs.tags = cstags
     cs.user_id = user.id
     # smsm1 doesn't like the next two lines and thinks they need to be abstracted to the model more/better
-    cs.created_at = Time.now
+    cs.created_at = Time.now.getutc
     cs.closed_at = cs.created_at + Changeset::IDLE_TIMEOUT
     cs.save_with_tags!
     return [0,cs.id]
@@ -219,7 +228,7 @@ class AmfController < ApplicationController
     [0, ways, points, relations]
 
   rescue Exception => err
-    [-2,"Sorry - I can't get the map for that area."]
+    [-2,"Sorry - I can't get the map for that area. The server said: #{err}"]
   end
 
   # Find deleted ways in current bounding box (similar to whichways, but ways
@@ -235,7 +244,7 @@ class AmfController < ApplicationController
     begin
       check_boundaries(xmin, ymin, xmax, ymax)
     rescue Exception => err
-      return [-2,"Sorry - I can't get the map for that area."]
+      return [-2,"Sorry - I can't get the map for that area. The server said: #{err}"]
     end
 
     nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => ["current_ways.visible = ?", false], :include => :ways_via_history)
@@ -276,7 +285,7 @@ class AmfController < ApplicationController
 
     [wayid, points, tags, version]
   end
-
+  
   # Get an old version of a way, and all constituent nodes.
   #
   # For undelete (version<0), always uses the most recent version of each node, 
@@ -298,12 +307,19 @@ class AmfController < ApplicationController
       old_way = OldWay.find(:first, :conditions => ['visible = ? AND id = ?', true, id], :order => 'version DESC')
       points = old_way.get_nodes_undelete unless old_way.nil?
     else
-      # revert
-      timestamp = DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")
-      old_way = OldWay.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC')
-      points = old_way.get_nodes_revert(timestamp) unless old_way.nil?
-      if !old_way.visible
-        return [-1, "Sorry, the way was deleted at that time - please revert to a previous version."]
+      begin
+        # revert
+        timestamp = DateTime.strptime(timestamp.to_s, "%d %b %Y, %H:%M:%S")
+        old_way = OldWay.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC')
+        unless old_way.nil?
+          points = old_way.get_nodes_revert(timestamp)
+          if !old_way.visible
+            return [-1, "Sorry, the way was deleted at that time - please revert to a previous version."]
+          end
+        end
+      rescue ArgumentError
+        # thrown by date parsing method. leave old_way as nil for
+        # the superb error handler below.
       end
     end
 
@@ -428,12 +444,12 @@ class AmfController < ApplicationController
     if searchterm.to_i>0 then
       rel = Relation.find(searchterm.to_i)
       if rel and rel.visible then
-        rels.push([rel.id, rel.tags, rel.members])
+        rels.push([rel.id, rel.tags, rel.members, rel.version])
       end
     else
       RelationTag.find(:all, :limit => 11, :conditions => ["match(v) against (?)", searchterm] ).each do |t|
       if t.relation.visible then
-	      rels.push([t.relation.id, t.relation.tags, t.relation.members])
+	      rels.push([t.relation.id, t.relation.tags, t.relation.members, t.relation.version])
 	    end
 	  end
 	end
@@ -444,7 +460,8 @@ class AmfController < ApplicationController
   # Returns
   # 0. 0 (success),
   # 1. original relation id (unchanged),
-  # 2. new relation id.
+  # 2. new relation id,
+  # 3. version.
 
   def putrelation(renumberednodes, renumberedways, usertoken, changeset_id, version, relid, tags, members, visible) #:doc:
     user = getuser(usertoken)
@@ -468,8 +485,8 @@ class AmfController < ApplicationController
       members.each do |m|
         mid = m[1].to_i
         if mid < 0
-          mid = renumberednodes[mid] if m[0] == 'node'
-          mid = renumberedways[mid] if m[0] == 'way'
+          mid = renumberednodes[mid] if m[0] == 'Node'
+          mid = renumberedways[mid] if m[0] == 'Way'
         end
         if mid
           typedmembers << [m[0], mid, m[2]]
@@ -483,8 +500,7 @@ class AmfController < ApplicationController
       new_relation.changeset_id = changeset_id
       new_relation.version = version
 
-
-      if id <= 0
+      if relid <= 0
         # We're creating the node
         new_relation.create_with_history(user)
       elsif visible
@@ -496,10 +512,10 @@ class AmfController < ApplicationController
       end
     end # transaction
       
-    if id <= 0
+    if relid <= 0
       return [0, relid, new_relation.id, new_relation.version]
     else
-      return [0, relid, relation.id, relation.version]
+      return [0, relid, relid, relation.version]
     end
   rescue OSM::APIChangesetAlreadyClosedError => ex
     return [-1, "The changeset #{ex.changeset.id} was closed at #{ex.changeset.closed_at}."]
@@ -507,12 +523,12 @@ class AmfController < ApplicationController
     # Really need to check to see whether this is a server load issue, and the 
     # last version was in the same changeset, or belongs to the same user, then
     # we can return something different
-    return [-3, "Sorry, someone else has changed this relation since you started editing. Please click the 'Edit' tab to reload the area."]
+    return [-3, "Sorry, someone else has changed this relation since you started editing. Please click the 'Edit' tab to reload the area. The server said: #{ex}"]
   rescue OSM::APIAlreadyDeletedError => ex
     return [-1, "The relation has already been deleted."]
   rescue OSM::APIError => ex
     # Some error that we don't specifically catch
-    return [-2, "Something really bad happened :-( ."]
+    return [-2, "An unusual error happened (in 'putrelation' #{relid}). The server said: #{ex}"]
   end
 
   # Save a way to the database, including all nodes. Any nodes in the previous
@@ -613,7 +629,7 @@ class AmfController < ApplicationController
       uniques=uniques-pointlist
       uniques.each do |n|
         node = Node.find(n)
-        deleteitemrelations(user, changeset_id, id, 'node', node.version)
+        deleteitemrelations(user, changeset_id, id, 'Node', node.version)
         new_node = Node.new
         new_node.changeset_id = changeset_id
         new_node.version = node.version
@@ -629,14 +645,14 @@ class AmfController < ApplicationController
     # Really need to check to see whether this is a server load issue, and the 
     # last version was in the same changeset, or belongs to the same user, then
     # we can return something different
-    return [-3, "Sorry, someone else has changed this way since you started editing. Please click the 'Edit' tab to reload the area."]
+    return [-3, "Sorry, someone else has changed this way since you started editing. Click the 'Edit' tab to reload the area. The server said: #{ex}"]
   rescue OSM::APITooManyWayNodesError => ex
     return [-1, "You have tried to upload a really long way with #{ex.provided} points: only #{ex.max} are allowed."]
   rescue OSM::APIAlreadyDeletedError => ex
     return [-1, "The point has already been deleted."]
   rescue OSM::APIError => ex
     # Some error that we don't specifically catch
-    return [-2, "Something really bad happened :-(."]
+    return [-2, "An unusual error happened (in 'putway' #{originalway}). The server said: #{ex}"]
   end
 
   # Save POI to the database.
@@ -694,28 +710,28 @@ class AmfController < ApplicationController
     # Really need to check to see whether this is a server load issue, and the 
     # last version was in the same changeset, or belongs to the same user, then
     # we can return something different
-    return [-3, "Sorry, someone else has changed this point since you started editing. Please click the 'Edit' tab to reload the area."]
+    return [-3, "Sorry, someone else has changed this point since you started editing. Please click the 'Edit' tab to reload the area. The server said: #{ex}"]
   rescue OSM::APIAlreadyDeletedError => ex
     return [-1, "The point has already been deleted"]
   rescue OSM::APIError => ex
     # Some error that we don't specifically catch
-    return [-2, "Something really bad happened :-()"]
+    return [-2, "An unusual error happened (in 'putpoi' #{id}). The server said: #{ex}"]
   end
 
   # Read POI from database
   # (only called on revert: POIs are usually read by whichways).
   #
-  # Returns array of id, long, lat, hash of tags, version.
+  # Returns array of id, long, lat, hash of tags, (current) version.
 
   def getpoi(id,timestamp) #:doc:
-    if timestamp == '' then
-      n = Node.find(id)
-    else
+    n = Node.find(id)
+    v = n.version
+    unless timestamp == ''
       n = OldNode.find(id, :conditions=>['timestamp=?',DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")])
     end
 
     if n
-      return [n.id, n.lon, n.lat, n.tags, n.version]
+      return [n.id, n.lon, n.lat, n.tags, v]
     else
       return [nil, nil, nil, {}, nil]
     end
@@ -741,12 +757,13 @@ class AmfController < ApplicationController
 
       # delete the way
       old_way = Way.find(way_id)
+      u = old_way.unshared_node_ids
       delete_way = Way.new
       delete_way.version = way_version
       delete_way.changeset_id = changeset_id
       old_way.delete_with_history!(delete_way, user)
 
-      old_way.unshared_node_ids.each do |node_id|
+      u.each do |node_id|
         # delete the node
         node = Node.find(node_id)
         delete_node = Node.new
@@ -756,7 +773,7 @@ class AmfController < ApplicationController
         else
           # in case the node wasn't passed (i.e. if it was previously removed
           # from the way in Potlatch)
-          deleteitemrelations(user, changeset_id, node_id, 'node', node.version)
+          deleteitemrelations(user, changeset_id, node_id, 'Node', node.version)
 	      delete_node.version = node.version
 	    end
         node.delete_with_history!(delete_node, user)
@@ -774,7 +791,7 @@ class AmfController < ApplicationController
     return [-1, "The way has already been deleted."]
   rescue OSM::APIError => ex
     # Some error that we don't specifically catch
-    return [-2, "Something really bad happened :-( ."]
+    return [-2, "An unusual error happened (in 'deleteway' #{way_id}). The server said: #{ex}"]
   end
 
 
@@ -788,7 +805,7 @@ class AmfController < ApplicationController
 
   def deleteitemrelations(user, changeset_id, objid, type, version) #:doc:
     relations = RelationMember.find(:all, 
-									:conditions => ['member_type = ? and member_id = ?', type, objid], 
+									:conditions => ['member_type = ? and member_id = ?', type.classify, objid], 
 									:include => :relation).collect { |rm| rm.relation }.uniq
 
     relations.each do |rel|
@@ -876,7 +893,7 @@ class AmfController < ApplicationController
       SELECT DISTINCT cr.id AS relid,cr.version AS version 
       FROM current_relations cr
       INNER JOIN current_relation_members crm ON crm.id=cr.id 
-      INNER JOIN current_nodes cn ON crm.member_id=cn.id AND crm.member_type='node' 
+      INNER JOIN current_nodes cn ON crm.member_id=cn.id AND crm.member_type='Node' 
        WHERE #{OSM.sql_for_area(ymin, xmin, ymax, xmax, "cn.")}
       EOF
     unless way_ids.empty?
@@ -885,17 +902,17 @@ class AmfController < ApplicationController
         SELECT DISTINCT cr.id AS relid,cr.version AS version
         FROM current_relations cr
         INNER JOIN current_relation_members crm ON crm.id=cr.id
-         WHERE crm.member_type='way' 
+         WHERE crm.member_type='Way' 
          AND crm.member_id IN (#{way_ids.join(',')})
         EOF
     end
-    return ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['relid'].to_i,a['version'].to_i] }
+    ActiveRecord::Base.connection.select_all(sql).collect { |a| [a['relid'].to_i,a['version'].to_i] }
   end
 	
   def sql_get_nodes_in_way(wayid)
     points=[]
     sql=<<-EOF
-      SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,current_nodes.id 
+      SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,current_nodes.id,current_nodes.version 
       FROM current_way_nodes,current_nodes 
        WHERE current_way_nodes.id=#{wayid.to_i} 
 		   AND current_way_nodes.node_id=current_nodes.id 
@@ -908,7 +925,7 @@ class AmfController < ApplicationController
         nodetags[n['k']]=n['v']
       end
       nodetags.delete('created_by')
-      points << [row['lon'].to_f,row['lat'].to_f,row['id'].to_i,nodetags]
+      points << [row['lon'].to_f,row['lat'].to_f,row['id'].to_i,nodetags,row['version'].to_i]
     end
     points
   end