X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/bc01da3ef9bd03f54be7dd7047ab802f55ce0f5c..77e8a16a153752b919a9153c1c9ded9834d387f7:/app/controllers/geocoder_controller.rb?ds=inline diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index b352c315b..a4e1ded86 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -1,144 +1,361 @@ +# coding: utf-8 + class GeocoderController < ApplicationController - layout 'site' + require "cgi" + require "uri" + require "rexml/document" - require 'net/http' - require 'rexml/document' + before_action :authorize_web + before_action :set_locale + before_action :require_oauth, :only => [:search] def search + normalize_params - if params[:postcode] - unless params[:postcode].empty? - postcode = params[:postcode] - check_postcode(postcode) - return - end + @sources = [] + if params[:lat] && params[:lon] + @sources.push "latlon" + @sources.push "osm_nominatim_reverse" + @sources.push "geonames_reverse" if defined?(GEONAMES_USERNAME) + elsif params[:query].match(/^\d{5}(-\d{4})?$/) + @sources.push "us_postcode" + @sources.push "osm_nominatim" + elsif params[:query].match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i) + @sources.push "uk_postcode" + @sources.push "osm_nominatim" + elsif params[:query].match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i) + @sources.push "ca_postcode" + @sources.push "osm_nominatim" + else + @sources.push "osm_nominatim" + @sources.push "geonames" if defined?(GEONAMES_USERNAME) end - if params[:query][:postcode] - unless params[:query][:postcode].empty? - postcode =params[:query][:postcode] - check_postcode(postcode) - return - end + + render :layout => map_layout + end + + def search_latlon + lat = params[:lat].to_f + lon = params[:lon].to_f + if lat < -90 || lat > 90 + @error = "Latitude #{lat} out of range" + render :action => "error" + elsif lon < -180 || lon > 180 + @error = "Longitude #{lon} out of range" + render :action => "error" + else + @results = [{ :lat => lat, :lon => lon, + :zoom => params[:zoom], + :name => "#{lat}, #{lon}" }] + + render :action => "results" end - if params[:query][:place_name] - @place_name = params[:query][:place_name] - redirect_to :controller => 'geocoder', :action => 'results', :params => {:place_name => @place_name} - end end - def check_postcode(p) + def search_us_postcode + # get query parameters + query = params[:query] - @postcode_arr = [] - postcode = p.upcase - escaped_postcode = postcode.sub(/\s/,'%20') + # create result array + @results = [] - begin - if postcode.match(/(^\d{5}$)|(^\d{5}-\d{4}$)/) - # Its a zip code - ask geocoder.us - # (They have a non commerical use api) - Net::HTTP.start('rpc.geocoder.us') do |http| - resp = http.get("/service/csv?zip=#{postcode}") - if resp.body.match(/couldn't find this zip/) - redirect_to "/index.html?error=invalid_zip_code" - return - end - data = resp.body.split(/, /) # lat,long,town,state,zip - lat = data[0] - lon = data[1] - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - return - end - elsif postcode.match(/^([A-Z]{1,2}\d+[A-Z]?\s*\d[A-Z]{2})/) - # It matched our naive UK postcode regexp - # Ask npemap to do a combined npemap + freethepostcode search - Net::HTTP.start('www.npemap.org.uk') do |http| - resp = http.get("/cgi/geocoder.fcgi?format=text&postcode=#{escaped_postcode}") - dataline = resp.body.split(/\n/)[1] - data = dataline.split(/,/) # easting,northing,postcode,lat,long - lat = data[3] - lon = data[4] - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - return - end - elsif postcode.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d/) - # It's a canadian postcode - # Ask geocoder.ca (note - they have a per-day limit) - postcode = postcode.sub(/\s/,'') - Net::HTTP.start('geocoder.ca') do |http| - resp = http.get("?geoit=XML&postal=#{postcode}") - data_lat = resp.body.slice(/latt>.*?.*?]/)[1] - lon = data_lon.split(/[<>]/)[1] - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - return - end - elsif postcode.match(/(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW]) [0-9][ABD-HJLNP-UW-Z]{2}) - /) - #its a UK postcode - begin - Net::HTTP.start('www.freethepostcode.org') do |http| - resp = http.get("/geocode?postcode=#{postcode}") - lat = resp.body.scan(/[4-6][0-9]\.?[0-9]+/) - lon = resp.body.scan(/[-+][0-9]\.?[0-9]+/) - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - return - end - rescue - redirect_to "/index.html" - #redirect to somewhere else - end - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - #redirect_to "/index.html?error=unknown_postcode_or_zip" - elsif - # Some other postcode / zip code - # Throw it at geonames, and see if they have any luck with it - Net::HTTP.start('ws.geonames.org') do |http| - resp = http.get("/postalCodeSearch?postalcode=#{escaped_postcode}&maxRows=1") - hits = resp.body.slice(/totalResultsCount>.*?]/)[1] - if hits == "0" - # Geonames doesn't know, it's probably wrong - redirect_to "/index.html?error=unknown_postcode_or_zip" - return - end - data_lat = resp.body.slice(/lat>.*?.*?]/)[1] - lon = data_lon.split(/[<>]/)[1] - redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14" - end + # ask geocoder.us (they have a non-commercial use api) + response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{escape_query(query)}") + + # parse the response + unless response.match(/couldn't find this zip/) + data = response.split(/\s*,\s+/) # lat,long,town,state,zip + @results.push(:lat => data[0], :lon => data[1], + :zoom => POSTCODE_ZOOM, + :prefix => "#{data[2]}, #{data[3]},", + :name => data[4]) + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting rpc.geocoder.us: #{ex}" + render :action => "error" + end + + def search_uk_postcode + # get query parameters + query = params[:query] + + # create result array + @results = [] + + # ask npemap.org.uk to do a combined npemap + freethepostcode search + response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{escape_query(query)}") + + # parse the response + unless response.match(/Error/) + dataline = response.split(/\n/)[1] + data = dataline.split(/,/) # easting,northing,postcode,lat,long + postcode = data[2].gsub(/'/, "") + zoom = POSTCODE_ZOOM - postcode.count("#") + @results.push(:lat => data[3], :lon => data[4], :zoom => zoom, + :name => postcode) + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting www.npemap.org.uk: #{ex}" + render :action => "error" + end + + def search_ca_postcode + # get query parameters + query = params[:query] + @results = [] + + # ask geocoder.ca (note - they have a per-day limit) + response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}") + + # parse the response + if response.get_elements("geodata/error").empty? + @results.push(:lat => response.get_text("geodata/latt").to_s, + :lon => response.get_text("geodata/longt").to_s, + :zoom => POSTCODE_ZOOM, + :name => query.upcase) + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting geocoder.ca: #{ex}" + render :action => "error" + end + + def search_osm_nominatim + # get query parameters + query = params[:query] + minlon = params[:minlon] + minlat = params[:minlat] + maxlon = params[:maxlon] + maxlat = params[:maxlat] + + # get view box + if minlon && minlat && maxlon && maxlat + viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" + end + + # get objects to excude + exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude] + + # ask nominatim + response = fetch_xml("http:#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}") + + # extract the results from the response + results = response.elements["searchresults"] + + # extract parameters from more_url + more_url_params = CGI.parse(URI.parse(results.attributes["more_url"]).query) + + # create result array + @results = [] + + # create parameter hash for "more results" link + @more_params = params.merge(:exclude => more_url_params["exclude_place_ids"].first) + + # parse the response + results.elements.each("place") do |place| + lat = place.attributes["lat"].to_s + lon = place.attributes["lon"].to_s + klass = place.attributes["class"].to_s + type = place.attributes["type"].to_s + name = place.attributes["display_name"].to_s + min_lat, max_lat, min_lon, max_lon = place.attributes["boundingbox"].to_s.split(",") + if type.empty? + prefix_name = "" else - # Some other postcode / zip file - redirect_to "/index.html?error=unknown_postcode_or_zip" - return + prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize + end + if klass == "boundary" && type == "administrative" + rank = (place.attributes["place_rank"].to_i + 1) / 2 + prefix_name = t "geocoder.search_osm_nominatim.admin_levels.level#{rank}", :default => prefix_name end + prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name + object_type = place.attributes["osm_type"] + object_id = place.attributes["osm_id"] + + @results.push(:lat => lat, :lon => lon, + :min_lat => min_lat, :max_lat => max_lat, + :min_lon => min_lon, :max_lon => max_lon, + :prefix => prefix, :name => name, + :type => object_type, :id => object_id) + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting nominatim.openstreetmap.org: #{ex}" + render :action => "error" + end + + def search_geonames + # get query parameters + query = params[:query] + + # get preferred language + lang = I18n.locale.to_s.split("-").first + + # create result array + @results = [] + + # ask geonames.org + response = fetch_xml("http://api.geonames.org/search?q=#{escape_query(query)}&lang=#{lang}&maxRows=20&username=#{GEONAMES_USERNAME}") + + # parse the response + response.elements.each("geonames/geoname") do |geoname| + lat = geoname.get_text("lat").to_s + lon = geoname.get_text("lng").to_s + name = geoname.get_text("name").to_s + country = geoname.get_text("countryName").to_s + @results.push(:lat => lat, :lon => lon, + :zoom => GEONAMES_ZOOM, + :name => name, + :suffix => ", #{country}") + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting api.geonames.org: #{ex}" + render :action => "error" + end + + def search_osm_nominatim_reverse + # get query parameters + lat = params[:lat] + lon = params[:lon] + zoom = params[:zoom] + + # create result array + @results = [] + + # ask nominatim + response = fetch_xml("http:#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}") + + # parse the response + response.elements.each("reversegeocode/result") do |result| + lat = result.attributes["lat"].to_s + lon = result.attributes["lon"].to_s + object_type = result.attributes["osm_type"] + object_id = result.attributes["osm_id"] + description = result.get_text.to_s + + @results.push(:lat => lat, :lon => lon, + :zoom => zoom, + :name => description, + :type => object_type, :id => object_id) + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting nominatim.openstreetmap.org: #{ex}" + render :action => "error" + end + + def search_geonames_reverse + # get query parameters + lat = params[:lat] + lon = params[:lon] + + # get preferred language + lang = I18n.locale.to_s.split("-").first + + # create result array + @results = [] + + # ask geonames.org + response = fetch_xml("http://api.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}&lang=#{lang}&username=#{GEONAMES_USERNAME}") + + # parse the response + response.elements.each("geonames/countrySubdivision") do |geoname| + name = geoname.get_text("adminName1").to_s + country = geoname.get_text("countryName").to_s + @results.push(:lat => lat, :lon => lon, + :zoom => GEONAMES_ZOOM, + :name => name, + :suffix => ", #{country}") + end + + render :action => "results" + rescue StandardError => ex + @error = "Error contacting api.geonames.org: #{ex}" + render :action => "error" + end + + private + + def fetch_text(url) + OSM.http_client.get(URI.parse(url)).body + end + + def fetch_xml(url) + REXML::Document.new(fetch_text(url)) + end + + def escape_query(query) + URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, "N")) + end + + def normalize_params + query = params[:query] + return unless query + + query.strip! + + if latlon = query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees + params.merge!(nsew_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures) # decimal degrees [NSEW] + params.merge!(nsew_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?$/).try(:captures) # [NSEW] degrees, decimal minutes + params.merge!(ddm_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([EW])$/).try(:captures) # degrees, decimal minutes [NSEW] + params.merge!(ddm_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?$/).try(:captures) # [NSEW] degrees, minutes, decimal seconds + params.merge!(dms_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\s*([EW])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW] + params.merge!(dms_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/) + params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f).delete(:query) + end + end + + def nsew_to_decdeg(captures) + begin + Float(captures[0]) + captures[2].downcase != "s" ? lat = captures[0].to_f : lat = -(captures[0].to_f) + captures[5].downcase != "w" ? lon = captures[3].to_f : lon = -(captures[3].to_f) rescue - #Its likely that an api is down - redirect_to "/index.html?error=api_dpwn" + captures[0].downcase != "s" ? lat = captures[1].to_f : lat = -(captures[1].to_f) + captures[3].downcase != "w" ? lon = captures[4].to_f : lon = -(captures[4].to_f) end + { :lat => lat, :lon => lon } end - def results - @place_name = params[:place_name] - res_hash = {} - @res_ary = [] + def ddm_to_decdeg(captures) begin - Net::HTTP.start('ws.geonames.org') do |http| - res = http.get("/search?q=#{@place_name}&maxRows=10") - xml = REXML::Document.new(res.body) - xml.elements.each("geonames/geoname") do |ele| - res_hash = {} - ele.elements.each("name"){ |n| res_hash['name'] = n.text } - ele.elements.each("countryCode"){ |n| res_hash['countrycode'] = n.text } - ele.elements.each("countryName"){ |n| res_hash['countryname'] = n.text } - ele.elements.each("lat"){ |n| res_hash['lat'] = n.text } - ele.elements.each("lng"){ |n| res_hash['lon']= n.text } - @res_ary << res_hash - end - end + Float(captures[0]) + captures[3].downcase != "s" ? lat = captures[0].to_f + captures[1].to_f / 60 : lat = -(captures[0].to_f + captures[1].to_f / 60) + captures[7].downcase != "w" ? lon = captures[4].to_f + captures[5].to_f / 60 : lon = -(captures[4].to_f + captures[5].to_f / 60) + rescue + captures[0].downcase != "s" ? lat = captures[1].to_f + captures[2].to_f / 60 : lat = -(captures[1].to_f + captures[2].to_f / 60) + captures[4].downcase != "w" ? lon = captures[5].to_f + captures[6].to_f / 60 : lon = -(captures[5].to_f + captures[6].to_f / 60) + end + { :lat => lat, :lon => lon } + end + + def dms_to_decdeg(captures) + begin + Float(captures[0]) + captures[4].downcase != "s" ? lat = captures[0].to_f + (captures[1].to_f + captures[2].to_f / 60) / 60 : lat = -(captures[0].to_f + (captures[1].to_f + captures[2].to_f / 60) / 60) + captures[9].downcase != "w" ? lon = captures[5].to_f + (captures[6].to_f + captures[7].to_f / 60) / 60 : lon = -(captures[5].to_f + (captures[6].to_f + captures[7].to_f / 60) / 60) rescue - #Flash a notice to say that geonames is broken - redirect_to "/index.html" + captures[0].downcase != "s" ? lat = captures[1].to_f + (captures[2].to_f + captures[3].to_f / 60) / 60 : lat = -(captures[1].to_f + (captures[2].to_f + captures[3].to_f / 60) / 60) + captures[5].downcase != "w" ? lon = captures[6].to_f + (captures[7].to_f + captures[8].to_f / 60) / 60 : lon = -(captures[6].to_f + (captures[7].to_f + captures[8].to_f / 60) / 60) end + { :lat => lat, :lon => lon } end end