X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/bac37f29d249b94386bc93d2f933f9fef07b1d1c..6272b041c6dd9c39cc7a23d6163651e74509da2b:/app/controllers/geocoder_controller.rb diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index 480dc5419..912247c9c 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -1,155 +1,253 @@ class GeocoderController < ApplicationController - require 'uri' - require 'net/http' - require 'rexml/document' + require "cgi" + require "uri" + require "rexml/document" + + before_action :authorize_web + before_action :set_locale + before_action :require_oauth, :only => [:search] + authorize_resource :class => false def search - @query = params[:query] - @results = Array.new - - if @query.match(/^\d{5}(-\d{4})?$/) - @results.push search_us_postcode(@query) - elsif @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]) [0-9][ABD-HJLNP-UW-Z]{2})/i) - @results.push search_uk_postcode(@query) - elsif @query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i) - @results.push search_ca_postcode(@query) + @params = normalize_params + @sources = [] + + if @params[:lat] && @params[:lon] + @sources.push "latlon" + @sources.push "osm_nominatim_reverse" + elsif @params[:query] + @sources.push "osm_nominatim" + end + + if @sources.empty? + head :bad_request else - @results.push search_osm_namefinder(@query) - @results.push search_geonames(@query) + render :layout => map_layout end end -private + def search_latlon + lat = params[:lat].to_f + lon = params[:lon].to_f - def search_us_postcode(query) - results = Array.new + if params[:latlon_digits] + # We've got two nondescript numbers for a query, which can mean both "lat, lon" or "lon, lat". + @results = [] - # ask geocoder.us (they have a non-commercial use api) - response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{URI.escape(query)}") + if lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180 + @results.push(:lat => lat, :lon => lon, + :zoom => params[:zoom], + :name => "#{lat}, #{lon}") + end - # 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 => 12, - :description => "#{data[2]}, #{data[3]}, #{data[4]}"}) - end + if lon >= -90 && lon <= 90 && lat >= -180 && lat <= 180 + @results.push(:lat => lon, :lon => lat, + :zoom => params[:zoom], + :name => "#{lon}, #{lat}") + end - return { :source => "Geocoder.us", :url => "http://geocoder.us/", :results => results } - rescue Exception => ex - return { :source => "Geocoder.us", :url => "http://geocoder.us/", :error => "Error contacting rpc.geocoder.us: #{ex.to_s}" } + 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 end - def search_uk_postcode(query) - results = Array.new + def search_osm_nominatim + # get query parameters + query = params[:query] + minlon = params[:minlon] + minlat = params[:minlat] + maxlon = params[:maxlon] + maxlat = params[:maxlat] - # 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=#{URI.escape(query)}") + # get view box + viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" if minlon && minlat && maxlon && maxlat - # parse the response - unless response.match(/Error/) - dataline = response.split(/\n/)[1] - data = dataline.split(/,/) # easting,northing,postcode,lat,long - results.push({:lat => data[3], :lon => data[4], :zoom => 12, - :description => data[2].gsub(/'/, "")}) - end + # get objects to excude + exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude] - return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :results => results } - rescue Exception => ex - return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :error => "Error contacting www.npemap.org.uk: #{ex.to_s}" } - end + # 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"] - def search_ca_postcode(query) - results = Array.new + # create result array + @results = [] - # ask geocoder.ca (note - they have a per-day limit) - response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{URI.escape(query)}") + # create parameter hash for "more results" link + @more_params = params + .permit(:query, :minlon, :minlat, :maxlon, :maxlat, :exclude) + .merge(:exclude => results.attributes["exclude_place_ids"]) # parse the response - unless response.get_elements("geodata/error") - results.push({:lat => response.get_text("geodata/latt").to_s, - :lon => response.get_text("geodata/longt").to_s, - :zoom => 12, - :description => query.upcase}) + 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["address_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"] == "linked_place" || extratag.attributes["key"] == "place" + end + end + prefix = t ".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 - return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :results => results } - rescue Exception => ex - return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :error => "Error contacting geocoder.ca: #{ex.to_s}" } + render :action => "results" + rescue StandardError => e + host = URI(Settings.nominatim_url).host + @error = "Error contacting #{host}: #{e}" + render :action => "error" end - def search_osm_namefinder(query) - results = Array.new + def search_osm_nominatim_reverse + # get query parameters + lat = params[:lat] + lon = params[:lon] + zoom = params[:zoom] - # ask OSM namefinder - response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}") + # 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("searchresults/named") do |named| - lat = named.attributes["lat"].to_s - lon = named.attributes["lon"].to_s - zoom = named.attributes["zoom"].to_s - place = named.elements["place/named"] || named.elements["nearestplaces/named"] - type = named.attributes["info"].to_s.capitalize - name = named.attributes["name"].to_s - if place - distance = format_distance(place.attributes["approxdistance"].to_i) - direction = format_direction(place.attributes["direction"].to_i) - placename = place.attributes["name"].to_s - results.push({:lat => lat, :lon => lon, :zoom => zoom, - :description => "#{type} #{name}, #{distance} #{direction} of #{placename}"}) - else - results.push({:lat => lat, :lon => lon, :zoom => zoom, - :description => "#{type} #{name}"}) - end + 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 - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results } - rescue Exception => ex - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" } + render :action => "results" + rescue StandardError => e + host = URI(Settings.nominatim_url).host + @error = "Error contacting #{host}: #{e}" + render :action => "error" end - def search_geonames(query) - results = Array.new + private - # ask geonames.org - response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20") + def fetch_text(url) + response = OSM.http_client.get(URI.parse(url)) - # 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 => 12, - :description => "#{name}, #{country}"}) + if response.success? + response.body + else + raise response.status.to_s end + end - return { :source => "GeoNames", :url => "http://www.geonames.org/", :results => results } - rescue Exception => ex - return { :source => "GeoNames", :url => "http://www.geonames.org/", :error => "Error contacting ws.geonames.org: #{ex.to_s}" } + def fetch_xml(url) + REXML::Document.new(fetch_text(url)) end - def fetch_text(url) - return Net::HTTP.get(URI.parse(url)) + def escape_query(query) + CGI.escape(query) end - def fetch_xml(url) - return REXML::Document.new(fetch_text(url)) + 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 + 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 + 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 + 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])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW] + params.merge!(dms_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^([+-]?\d+(\.\d*)?)(?:\s+|\s*,\s*)([+-]?\d+(\.\d*)?)$/) + params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f).delete(:query) + + params[:latlon_digits] = true unless params[:whereami] + end + end + + params.permit(:query, :lat, :lon, :latlon_digits, :zoom, :minlat, :minlon, :maxlat, :maxlon) end - def format_distance(distance) - return "less than 1km" if distance == 0 - return "about #{distance}km" + 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 format_direction(bearing) - return "south-west" if bearing >= 22.5 and bearing < 67.5 - return "south" if bearing >= 67.5 and bearing < 112.5 - return "south-east" if bearing >= 112.5 and bearing < 157.5 - return "east" if bearing >= 157.5 and bearing < 202.5 - return "north-east" if bearing >= 202.5 and bearing < 247.5 - return "north" if bearing >= 247.5 and bearing < 292.5 - return "north-west" if bearing >= 292.5 and bearing < 337.5 - return "west" + 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