X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d0c63b6d5dbf6580c333e1d638d19fc17fd2a351..d5841403c44a6b74ef2200c68b4fd08cd65dbbb7:/lib/potlatch.rb diff --git a/lib/potlatch.rb b/lib/potlatch.rb index 7a7926f04..35a60dfbb 100644 --- a/lib/potlatch.rb +++ b/lib/potlatch.rb @@ -1,3 +1,5 @@ +require 'stringio' + # The Potlatch module provides helper functions for potlatch and its communication with the server module Potlatch @@ -6,18 +8,20 @@ module Potlatch # Return two-byte integer def self.getint(s) - s.getc*256+s.getc + s.getbyte*256+s.getbyte end # Return four-byte long def self.getlong(s) - ((s.getc*256+s.getc)*256+s.getc)*256+s.getc + ((s.getbyte*256+s.getbyte)*256+s.getbyte)*256+s.getbyte end # Return string with two-byte length def self.getstring(s) - len=s.getc*256+s.getc - s.read(len) + len=s.getbyte*256+s.getbyte + str=s.read(len) + str.force_encoding("UTF-8") if str.respond_to?("force_encoding") + str end # Return eight-byte double-precision float @@ -43,23 +47,23 @@ module Potlatch if (key=='') then break end arr[key]=getvalue(s) end - s.getc # skip the 9 'end of object' value + s.getbyte # skip the 9 'end of object' value arr end # Parse and get value def self.getvalue(s) - case s.getc + case s.getbyte when 0; return getdouble(s) # number - when 1; return s.getc # boolean + when 1; return s.getbyte # boolean when 2; return getstring(s) # string when 3; return getobject(s) # object/hash - when 5; return nil # null - when 6; return nil # undefined - when 8; s.read(4) # mixedArray - return getobject(s) # | - when 10;return getarray(s) # array - else; return nil # error + when 5; return nil # null + when 6; return nil # undefined + when 8; s.read(4) # mixedArray + return getobject(s) # | + when 10; return getarray(s) # array + else; return nil # error end end @@ -97,12 +101,13 @@ module Potlatch when 'FalseClass' 0.chr+encodedouble(0) else - RAILS_DEFAULT_LOGGER.error("Unexpected Ruby type for AMF conversion: "+n.class.to_s) + Rails.logger.error("Unexpected Ruby type for AMF conversion: "+n.class.to_s) end end # Encode string with two-byte length - def self.encodestring(n) + def self.encodestring(n) + n=n.dup.force_encoding("ASCII-8BIT") a,b=n.size.divmod(256) a.chr+b.chr+n end @@ -119,6 +124,48 @@ module Potlatch end + # The Dispatcher class handles decoding a series of RPC calls + # from the request, dispatching them, and encoding the response + class Dispatcher + def initialize(request, &block) + # Get stream for request data + @request = StringIO.new(request + 0.chr) + + # Skip version indicator and client ID + @request.read(2) + + # Skip headers + AMF.getint(@request).times do # Read number of headers and loop + AMF.getstring(@request) # | skip name + req.getbyte # | skip boolean + AMF.getvalue(@request) # | skip value + end + + # Capture the dispatch routine + @dispatch = Proc.new + end + + def each(&block) + # Read number of message bodies + bodies = AMF.getint(@request) + + # Output response header + a,b = bodies.divmod(256) + yield 0.chr + 0.chr + 0.chr + 0.chr + a.chr + b.chr + + # Process the bodies + bodies.times do # Read each body + name = AMF.getstring(@request) # | get message name + index = AMF.getstring(@request) # | get index in response sequence + bytes = AMF.getlong(@request) # | get total size in bytes + args = AMF.getvalue(@request) # | get response (probably an array) + + result = @dispatch.call(name, *args) + + yield AMF.putdata(index, result) + end + end + end # The Potlatch class is a helper for Potlatch class Potlatch @@ -130,7 +177,7 @@ module Potlatch # [3] colours, [4] casing, [5] areas, [6] autotags # (all hashes) def self.get_presets - RAILS_DEFAULT_LOGGER.info(" Message: getpresets") + Rails.logger.info(" Message: getpresets") # Read preset menus presets={} @@ -139,7 +186,7 @@ module Potlatch presettype='' presetcategory='' # StringIO.open(txt) do |file| - File.open("#{RAILS_ROOT}/config/potlatch/presets.txt") do |file| + File.open("#{Rails.root}/config/potlatch/presets.txt") do |file| file.each_line {|line| t=line.chomp if (t=~/(\w+)\/(\w+)/) then @@ -160,7 +207,7 @@ module Potlatch # Read colours/styling colours={}; casing={}; areas={} - File.open("#{RAILS_ROOT}/config/potlatch/colours.txt") do |file| + File.open("#{Rails.root}/config/potlatch/colours.txt") do |file| file.each_line {|line| t=line.chomp if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then @@ -174,7 +221,7 @@ module Potlatch # Read relations colours/styling relcolours={}; relalphas={}; relwidths={} - File.open("#{RAILS_ROOT}/config/potlatch/relation_colours.txt") do |file| + File.open("#{Rails.root}/config/potlatch/relation_colours.txt") do |file| file.each_line {|line| t=line.chomp if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then @@ -187,12 +234,11 @@ module Potlatch end # Read POI presets - icon_list=[]; icon_names={}; icon_tags={}; - File.open("#{RAILS_ROOT}/config/potlatch/icon_presets.txt") do |file| + icon_list=[]; icon_tags={}; + File.open("#{Rails.root}/config/potlatch/icon_presets.txt") do |file| file.each_line {|line| - (icon,name,tags)=line.chomp.split("\t") + (icon,tags)=line.chomp.split("\t") icon_list.push(icon) - icon_names[icon]=name icon_tags[icon]=Hash[*tags.scan(/([^;=]+)=([^;=]+)/).flatten] } end @@ -200,7 +246,7 @@ module Potlatch # Read auto-complete autotags={}; autotags['point']={}; autotags['way']={}; autotags['POI']={}; - File.open("#{RAILS_ROOT}/config/potlatch/autocomplete.txt") do |file| + File.open("#{Rails.root}/config/potlatch/autocomplete.txt") do |file| file.each_line {|line| t=line.chomp if (t=~/^([\w:]+)\/(\w+)\s+(.+)$/) then @@ -211,7 +257,7 @@ module Potlatch } end - [presets,presetmenus,presetnames,colours,casing,areas,autotags,relcolours,relalphas,relwidths,icon_list,icon_names,icon_tags] + [presets,presetmenus,presetnames,colours,casing,areas,autotags,relcolours,relalphas,relwidths,icon_list,{},icon_tags] end end