X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/afb13ad93e30b5d7c8ba39772c5ac6a62603bb77..e93becd304fbd019c5e901b73af90fabde3ad02c:/app/controllers/amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 94b09c6fc..1e87e47c2 100644
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -43,7 +43,6 @@ class AmfController < ApplicationController
   # Help methods for checking boundary sanity and area size
   include MapBoundary
 
-  session :off
   before_filter :check_api_writable
 
   # Main AMF handlers: process the raw AMF string (using AMF library) and
@@ -77,7 +76,7 @@ class AmfController < ApplicationController
         logger.info("Executing AMF #{message}(#{args.join(',')}):#{index}")
 
         case message
-          when 'getpresets';        results[index]=AMF.putdata(index,getpresets(args[0]))
+          when 'getpresets';        results[index]=AMF.putdata(index,getpresets(*args))
           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))
@@ -128,14 +127,13 @@ class AmfController < ApplicationController
           case message
             when 'putway';         orn=renumberednodes.dup
                                    r=putway(renumberednodes,*args)
-                                   renumberednodes=r[4].dup
-                                   r[4].delete_if { |k,v| orn.has_key?(k) }
+                                   r[4]=renumberednodes.reject { |k,v| orn.has_key?(k) }
                                    if r[2] != r[3] then renumberedways[r[2]] = r[3] 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[2] != r[3] then renumberednodes[r[2]] = r[3] end
+                                   if r[2] != r[3] then renumberednodes[r[2]] = r[3] end
                                    results[index]=AMF.putdata(index,r)
             when 'startchangeset'; results[index]=AMF.putdata(index,startchangeset(*args))
            end
@@ -151,10 +149,10 @@ class AmfController < ApplicationController
 
   private
 
-  def amf_handle_error(call)
+  def amf_handle_error(call,rootobj,rootid)
     yield
   rescue OSM::APIVersionMismatchError => ex
-    return [-3, [ex.type.downcase, ex.latest, ex.id]]
+    return [-3, [rootobj, rootid], [ex.type.downcase, ex.id, ex.latest]]
   rescue OSM::APIUserChangesetMismatchError => ex
     return [-2, ex.to_s]
   rescue OSM::APIBadBoundingBox => ex
@@ -165,8 +163,8 @@ class AmfController < ApplicationController
     return [-2, "An unusual error happened (in #{call}). The server said: #{ex.to_s}"]
   end
 
-  def amf_handle_error_with_timeout(call)
-    amf_handle_error(call) do
+  def amf_handle_error_with_timeout(call,rootobj,rootid)
+    amf_handle_error(call,rootobj,rootid) do
       Timeout::timeout(APP_CONFIG['api_timeout'], OSM::APITimeoutError) do
         yield
       end
@@ -177,7 +175,7 @@ class AmfController < ApplicationController
   # Returns success_code,success_message,changeset id
   
   def startchangeset(usertoken, cstags, closeid, closecomment, opennew)
-    amf_handle_error("'startchangeset'") do
+    amf_handle_error("'startchangeset'",nil,nil) do
       user = getuser(usertoken)
       if !user then return -1,"You are not logged in, so Potlatch can't write any changes to the database." end
 
@@ -215,13 +213,21 @@ class AmfController < ApplicationController
   # Return presets (default tags, localisation etc.):
   # uses POTLATCH_PRESETS global, set up in OSM::Potlatch.
 
-  def getpresets(lang) #:doc:
-    lang.gsub!(/[^\w\-]/,'')
+  def getpresets(usertoken,lang) #:doc:
+    user = getuser(usertoken)
+
+    if user && !user.languages.empty?
+      request.user_preferred_languages = user.languages
+    end
+
+    lang = request.compatible_language_from(getlocales)
 
     begin
+      # if not, try the browser language
       localised = YAML::load(File.open("#{RAILS_ROOT}/config/potlatch/localised/#{lang}/localised.yaml"))
     rescue
-      localised = "" # guess we'll just have to use the hardcoded English text instead
+      # fall back to hardcoded English text
+      localised = ""
     end
 
     begin
@@ -247,7 +253,7 @@ class AmfController < ApplicationController
   # used in any way, rel is any relation which refers to either a way
   # or node that we're returning.
   def whichways(xmin, ymin, xmax, ymax) #:doc:
-    amf_handle_error_with_timeout("'whichways'") do
+    amf_handle_error_with_timeout("'whichways'",nil,nil) do
       enlarge = [(xmax-xmin)/8,0.01].min
       xmin -= enlarge; ymin -= enlarge
       xmax += enlarge; ymax += enlarge
@@ -287,7 +293,7 @@ class AmfController < ApplicationController
   # with a deleted node only - not POIs or relations).
 
   def whichways_deleted(xmin, ymin, xmax, ymax) #:doc:
-    amf_handle_error_with_timeout("'whichways_deleted'") do
+    amf_handle_error_with_timeout("'whichways_deleted'",nil,nil) do
       enlarge = [(xmax-xmin)/8,0.01].min
       xmin -= enlarge; ymin -= enlarge
       xmax += enlarge; ymax += enlarge
@@ -304,14 +310,15 @@ class AmfController < ApplicationController
   end
 
   # Get a way including nodes and tags.
-  # Returns the way id, a Potlatch-style array of points, a hash of tags, and the version number.
+  # Returns the way id, a Potlatch-style array of points, a hash of tags, the version number, and the user ID.
 
   def getway(wayid) #:doc:
-    amf_handle_error_with_timeout("'getway' #{wayid}") do
+    amf_handle_error_with_timeout("'getway' #{wayid}" ,'way',wayid) do
       if POTLATCH_USE_SQL then
         points = sql_get_nodes_in_way(wayid)
         tags = sql_get_tags_in_way(wayid)
         version = sql_get_way_version(wayid)
+        uid = sql_get_way_user(wayid)
       else
         # Ideally we would do ":include => :nodes" here but if we do that
         # then rails only seems to return the first copy of a node when a
@@ -328,9 +335,10 @@ class AmfController < ApplicationController
         end
         tags = way.tags
         version = way.version
+        uid = way.changeset.user.id
       end
 
-      [0, '', wayid, points, tags, version]
+      [0, '', wayid, points, tags, version, uid]
     end
   end
   
@@ -350,7 +358,7 @@ class AmfController < ApplicationController
   # 5. is this the current, visible version? (boolean)
   
   def getway_old(id, timestamp) #:doc:
-    amf_handle_error_with_timeout("'getway_old' #{id}, #{timestamp}") do
+    amf_handle_error_with_timeout("'getway_old' #{id}, #{timestamp}", 'way',id) do
       if timestamp == ''
         # undelete
         old_way = OldWay.find(:first, :conditions => ['visible = ? AND id = ?', true, id], :order => 'version DESC')
@@ -417,7 +425,8 @@ class AmfController < ApplicationController
       # Remove any elements where 2 seconds doesn't elapse before next one
       revdates.delete_if { |d| revdates.include?(d+1) or revdates.include?(d+2) }
       # Collect all in one nested array
-      revdates.collect! {|d| [d.strftime("%d %b %Y, %H:%M:%S")] + revusers[d.to_i] }
+      revdates.collect! {|d| [d.succ.strftime("%d %b %Y, %H:%M:%S")] + revusers[d.to_i] }
+      revdates.uniq!
 
       return ['way', wayid, revdates]
     rescue ActiveRecord::RecordNotFound
@@ -430,7 +439,7 @@ class AmfController < ApplicationController
   def getnode_history(nodeid) #:doc:
     begin 
       history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
-        [old_node.timestamp.strftime("%d %b %Y, %H:%M:%S")] + change_user(old_node)
+        [old_node.timestamp.succ.strftime("%d %b %Y, %H:%M:%S")] + change_user(old_node)
       end
       return ['node', nodeid, history]
     rescue ActiveRecord::RecordNotFound
@@ -449,7 +458,7 @@ class AmfController < ApplicationController
   # Returns array listing GPXs, each one comprising id, name and description.
   
   def findgpx(searchterm, usertoken)
-    amf_handle_error_with_timeout("'findgpx'") do
+    amf_handle_error_with_timeout("'findgpx'" ,nil,nil) do
       user = getuser(usertoken)
       if !uid then return -1,"You must be logged in to search for GPX traces.",[] end
 
@@ -478,7 +487,7 @@ class AmfController < ApplicationController
   # 5. version.
   
   def getrelation(relid) #:doc:
-    amf_handle_error("'getrelation' #{relid}") do
+    amf_handle_error("'getrelation' #{relid}" ,'relation',relid) do
       rel = Relation.find(:first, :conditions => { :id => relid })
 
       return [-4, 'relation', relid, {}, [], nil] if rel.nil? or !rel.visible
@@ -514,9 +523,11 @@ class AmfController < ApplicationController
   # 3. version.
 
   def putrelation(renumberednodes, renumberedways, usertoken, changeset_id, version, relid, tags, members, visible) #:doc:
-    amf_handle_error("'putrelation' #{relid}")  do
+    amf_handle_error("'putrelation' #{relid}" ,'relation',relid)  do
       user = getuser(usertoken)
       if !user then return -1,"You are not logged in, so the relation could not be saved." end
+      if !tags_ok(tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+      tags = strip_non_xml_chars tags
 
       relid = relid.to_i
       visible = (visible.to_i != 0)
@@ -589,19 +600,22 @@ class AmfController < ApplicationController
   # 
   # Returns:
   # 0. '0' (code for success),
-  # 1. original way id (unchanged),
-  # 2. new way id,
-  # 3. hash of renumbered nodes (old id=>new id),
-  # 4. way version,
-  # 5. hash of node versions (node=>version)
+  # 1. message,
+  # 2. original way id (unchanged),
+  # 3. new way id,
+  # 4. hash of renumbered nodes (old id=>new id),
+  # 5. way version,
+  # 6. hash of node versions (node=>version)
 
   def putway(renumberednodes, usertoken, changeset_id, wayversion, originalway, pointlist, attributes, nodes, deletednodes) #:doc:
-    amf_handle_error("'putway' #{originalway}") do
+    amf_handle_error("'putway' #{originalway}" ,'way',originalway) do
       # -- Initialise
 	
       user = getuser(usertoken)
       if !user then return -1,"You are not logged in, so the way could not be saved." end
       if pointlist.length < 2 then return -2,"Server error - way is only #{points.length} points long." end
+      if !tags_ok(attributes) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+      attributes = strip_non_xml_chars attributes
 
       originalway = originalway.to_i
       pointlist.collect! {|a| a.to_i }
@@ -626,6 +640,11 @@ class AmfController < ApplicationController
           node.lat = lat
           node.lon = lon
           node.tags = a[4]
+
+          # fixup node tags in a way as well
+          if !tags_ok(node.tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+          node.tags = strip_non_xml_chars node.tags
+
           node.tags.delete('created_by')
           node.version = version
           if id <= 0
@@ -695,9 +714,11 @@ class AmfController < ApplicationController
   # 4. version.
 
   def putpoi(usertoken, changeset_id, version, id, lon, lat, tags, visible) #:doc:
-    amf_handle_error("'putpoi' #{id}") do
+    amf_handle_error("'putpoi' #{id}", 'node',id) do
       user = getuser(usertoken)
       if !user then return -1,"You are not logged in, so the point could not be saved." end
+      if !tags_ok(tags) then return -1,"One of the tags is invalid. Please pester Adobe to fix Flash on Linux." end
+      tags = strip_non_xml_chars tags
 
       id = id.to_i
       visible = (visible.to_i == 1)
@@ -748,11 +769,12 @@ class AmfController < ApplicationController
   # Returns array of id, long, lat, hash of tags, (current) version.
 
   def getpoi(id,timestamp) #:doc:
-    amf_handle_error("'getpoi' #{id}") do
+    amf_handle_error("'getpoi' #{id}" ,'node',id) do
+      id = id.to_i
       n = Node.find(id)
       v = n.version
       unless timestamp == ''
-        n = OldNode.find(id, :conditions=>['timestamp=?',DateTime.strptime(timestamp, "%d %b %Y, %H:%M:%S")])
+        n = OldNode.find(:first, :conditions => ['id = ? AND timestamp <= ?', id, timestamp], :order => 'timestamp DESC')
       end
 
       if n
@@ -774,7 +796,7 @@ class AmfController < ApplicationController
   # Returns 0 (success), unchanged way id, new way version, new node versions.
 
   def deleteway(usertoken, changeset_id, way_id, way_version, deletednodes) #:doc:
-    amf_handle_error("'deleteway' #{way_id}") do
+    amf_handle_error("'deleteway' #{way_id}" ,'way',id) do
       user = getuser(usertoken)
       unless user then return -1,"You are not logged in, so the way could not be deleted." end
       
@@ -848,6 +870,34 @@ class AmfController < ApplicationController
     }
   end
 
+  def getlocales
+    Dir.glob("#{RAILS_ROOT}/config/potlatch/localised/*").collect { |f| File.basename(f) }
+  end
+  
+  ##
+  # check that all key-value pairs are valid UTF-8.
+  def tags_ok(tags)
+    tags.each do |k, v|
+      return false unless UTF8.valid? k
+      return false unless UTF8.valid? v
+    end
+    return true
+  end
+
+  ##
+  # strip characters which are invalid in XML documents from the strings
+  # in the +tags+ hash.
+  def strip_non_xml_chars(tags)
+    new_tags = Hash.new
+    unless tags.nil?
+      tags.each do |k, v|
+        new_k = k.delete "\000-\037", "^\011\012\015"
+        new_v = v.delete "\000-\037", "^\011\012\015"
+        new_tags[new_k] = new_v
+      end
+    end
+    return new_tags
+  end
 
   # ====================================================================
   # Alternative SQL queries for getway/whichways
@@ -938,7 +988,11 @@ class AmfController < ApplicationController
   end
 
   def sql_get_way_version(wayid)
-    ActiveRecord::Base.connection.select_one("SELECT version FROM current_ways WHERE id=#{wayid.to_i}")
+    ActiveRecord::Base.connection.select_one("SELECT version FROM current_ways WHERE id=#{wayid.to_i}")['version']
+  end
+
+  def sql_get_way_user(wayid)
+    ActiveRecord::Base.connection.select_one("SELECT user FROM current_ways,changesets WHERE current_ways.id=#{wayid.to_i} AND current_ways.changeset=changesets.id")['user']
   end
 end