X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/f7f2b7482d7bcfc7905746cee650ceb51c4e8e01..edd49e85823079d6de19cbc9f89c6abc0568382b:/app/controllers/geocoder_controller.rb?ds=sidebyside diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index 8444311b5..d1af43a72 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -1,142 +1,353 @@ 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] + authorize_resource :class => false def search + @params = normalize_params + @sources = [] - if params[:postcode] - unless params[:postcode].empty? - postcode = params[:postcode] - check_postcode(postcode) - return + if @params[:lat] && @params[:lon] + @sources.push "latlon" + @sources.push "osm_nominatim_reverse" + @sources.push "geonames_reverse" if Settings.key?(:geonames_username) + elsif @params[:query] + if @params[:query].match?(/^\d{5}(-\d{4})?$/) + @sources.push "osm_nominatim" + elsif @params[:query].match?(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i) + @sources.push "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 Settings.key?(:geonames_username) end end - if params[:query][:postcode] - unless params[:query][:postcode].empty? - postcode =params[:query][:postcode] - check_postcode(postcode) - return + + if @sources.empty? + head :bad_request + else + render :layout => map_layout + end + end + + def search_latlon + lat = params[:lat].to_f + lon = params[:lon].to_f + + if params[:latlon_digits] + # We've got two nondescript numbers for a query, which can mean both "lat, lon" or "lon, lat". + @results = [] + + if lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180 + @results.push(:lat => lat, :lon => lon, + :zoom => params[:zoom], + :name => "#{lat}, #{lon}") + end + + if lon >= -90 && lon <= 90 && lat >= -180 && lat <= 180 + @results.push(:lat => lon, :lon => lat, + :zoom => params[:zoom], + :name => "#{lon}, #{lat}") + end + + if @results.empty? + @error = "Latitude or longitude are out of range" + render :action => "error" + else + render :action => "results" + end + else + # Coordinates in a query have come with markers for latitude and longitude. + 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 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_ca_postcode + # get query parameters + query = params[:query] + @results = [] - @postcode_arr = [] - postcode = p.upcase - escaped_postcode = postcode.sub(/\s/,'%20') + # ask geocoder.ca (note - they have a per-day limit) + response = fetch_xml("https://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}") - 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 :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_zip_code" - return - end - data = resp.body.split(/, /) # lat,long,town,state,zip - lat = data[0] - lon = data[1] - redirect_to :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14 - return - end - rescue - redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode" - #redirect to somewhere else - end - 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 :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode_or_zip" - return - end - data_lat = resp.body.slice(/lat>.*?.*?]/)[1] - lon = data_lon.split(/[<>]/)[1] - redirect_to :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14 + # parse the response + if response.get_elements("geodata/error").empty? + @results.push(:lat => response.text("geodata/latt"), + :lon => response.text("geodata/longt"), + :zoom => Settings.postcode_zoom, + :name => query.upcase) + end + + render :action => "results" + rescue StandardError => e + @error = "Error contacting geocoder.ca: #{e}" + 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 + viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" if minlon && minlat && maxlon && maxlat + + # get objects to excude + exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude] + + # ask nominatim + response = fetch_xml("#{Settings.nominatim_url}search?format=xml&extratags=1&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 + .permit(:query, :minlon, :minlat, :maxlon, :maxlat, :exclude) + .merge(:exclude => more_url_params["exclude_place_ids"].first) + + # parse the response + results.elements.each("place") do |place| + lat = place.attributes["lat"] + lon = place.attributes["lon"] + klass = place.attributes["class"] + type = place.attributes["type"] + name = place.attributes["display_name"] + min_lat, max_lat, min_lon, max_lon = place.attributes["boundingbox"].split(",") + prefix_name = if type.empty? + "" + else + t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.tr("_", " ").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 + place.elements["extratags"].elements.each("tag") do |extratag| + prefix_name = t "geocoder.search_osm_nominatim.prefix.place.#{extratag.attributes['value']}", :default => prefix_name if extratag.attributes["key"] == "place" end - else - # Some other postcode / zip file - redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode_or_zip" - return end - rescue - #Its likely that an api is down - redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "api_down" + 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 => e + @error = "Error contacting nominatim.openstreetmap.org: #{e}" + render :action => "error" end - def results - @place_name = params[:place_name] - res_hash = {} - @res_ary = [] - 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 + 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=#{Settings.geonames_username}") + + # parse the response + response.elements.each("geonames/geoname") do |geoname| + lat = geoname.text("lat") + lon = geoname.text("lng") + name = geoname.text("name") + country = geoname.text("countryName") + + @results.push(:lat => lat, :lon => lon, + :zoom => Settings.geonames_zoom, + :name => name, + :suffix => ", #{country}") + end + + render :action => "results" + rescue StandardError => e + @error = "Error contacting api.geonames.org: #{e}" + 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("#{Settings.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"] + lon = result.attributes["lon"] + object_type = result.attributes["osm_type"] + object_id = result.attributes["osm_id"] + description = result.text + + @results.push(:lat => lat, :lon => lon, + :zoom => zoom, + :name => description, + :type => object_type, :id => object_id) + end + + render :action => "results" + rescue StandardError => e + @error = "Error contacting nominatim.openstreetmap.org: #{e}" + 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=#{Settings.geonames_username}") + + # parse the response + response.elements.each("geonames/countrySubdivision") do |geoname| + name = geoname.text("adminName1") + country = geoname.text("countryName") + + @results.push(:lat => lat, :lon => lon, + :zoom => Settings.geonames_zoom, + :name => name, + :suffix => ", #{country}") + end + + render :action => "results" + rescue StandardError => e + @error = "Error contacting api.geonames.org: #{e}" + render :action => "error" + end + + private + + def fetch_text(url) + response = OSM.http_client.get(URI.parse(url)) + + if response.success? + response.body + else + raise response.status.to_s + end + end + + def fetch_xml(url) + REXML::Document.new(fetch_text(url)) + end + + def escape_query(query) + CGI.escape(query) + end + + def normalize_params + if query = params[: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) + + params[:latlon_digits] = true unless params[:whereami] end - rescue - #Flash a notice to say that geonames is broken - redirect_to "/index.html" end + + params.permit(:query, :lat, :lon, :latlon_digits, :zoom, :minlat, :minlon, :maxlat, :maxlon) + end + + def nsew_to_decdeg(captures) + begin + Float(captures[0]) + lat = !captures[2].casecmp("s").zero? ? captures[0].to_f : -captures[0].to_f + lon = !captures[5].casecmp("w").zero? ? captures[3].to_f : -captures[3].to_f + rescue StandardError + lat = !captures[0].casecmp("s").zero? ? captures[1].to_f : -captures[1].to_f + lon = !captures[3].casecmp("w").zero? ? captures[4].to_f : -captures[4].to_f + end + { :lat => lat, :lon => lon } + end + + def ddm_to_decdeg(captures) + begin + Float(captures[0]) + lat = !captures[3].casecmp("s").zero? ? captures[0].to_f + captures[1].to_f / 60 : -(captures[0].to_f + captures[1].to_f / 60) + lon = !captures[7].casecmp("w").zero? ? captures[4].to_f + captures[5].to_f / 60 : -(captures[4].to_f + captures[5].to_f / 60) + rescue StandardError + lat = !captures[0].casecmp("s").zero? ? captures[1].to_f + captures[2].to_f / 60 : -(captures[1].to_f + captures[2].to_f / 60) + lon = !captures[4].casecmp("w").zero? ? captures[5].to_f + captures[6].to_f / 60 : -(captures[5].to_f + captures[6].to_f / 60) + end + { :lat => lat, :lon => lon } + end + + def dms_to_decdeg(captures) + begin + Float(captures[0]) + lat = !captures[4].casecmp("s").zero? ? captures[0].to_f + (captures[1].to_f + captures[2].to_f / 60) / 60 : -(captures[0].to_f + (captures[1].to_f + captures[2].to_f / 60) / 60) + lon = !captures[9].casecmp("w").zero? ? captures[5].to_f + (captures[6].to_f + captures[7].to_f / 60) / 60 : -(captures[5].to_f + (captures[6].to_f + captures[7].to_f / 60) / 60) + rescue StandardError + lat = !captures[0].casecmp("s").zero? ? captures[1].to_f + (captures[2].to_f + captures[3].to_f / 60) / 60 : -(captures[1].to_f + (captures[2].to_f + captures[3].to_f / 60) / 60) + lon = !captures[5].casecmp("w").zero? ? captures[6].to_f + (captures[7].to_f + captures[8].to_f / 60) / 60 : -(captures[6].to_f + (captures[7].to_f + captures[8].to_f / 60) / 60) + end + { :lat => lat, :lon => lon } end end