X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d6ba46b120806ed5c393cb9768e1f94c4c20c40b..4826032d183932312d635193c9d3acef6107f280:/app/controllers/amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index aee31295c..20053644d 100644
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -76,7 +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))
@@ -213,13 +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
@@ -302,7 +310,7 @@ 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
@@ -310,6 +318,7 @@ class AmfController < ApplicationController
         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
@@ -326,9 +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
   
@@ -415,7 +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
@@ -428,7 +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
@@ -515,6 +526,8 @@ class AmfController < ApplicationController
     amf_handle_error("'putrelation' #{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)
@@ -601,6 +614,8 @@ class AmfController < ApplicationController
       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(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
 
       originalway = originalway.to_i
       pointlist.collect! {|a| a.to_i }
@@ -697,6 +712,8 @@ class AmfController < ApplicationController
     amf_handle_error("'putpoi' #{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)
@@ -748,10 +765,11 @@ class AmfController < ApplicationController
 
   def getpoi(id,timestamp) #:doc:
     amf_handle_error("'getpoi' #{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
@@ -847,6 +865,34 @@ 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
@@ -937,7 +983,11 @@ 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