X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/0ff1214f86ac1347bb257abfda70581cc78903dd..eed9de548363fc705af1bab13c8d5a06cdd62a11:/lib/osm.rb diff --git a/lib/osm.rb b/lib/osm.rb index f6646503d..393011dac 100644 --- a/lib/osm.rb +++ b/lib/osm.rb @@ -6,19 +6,33 @@ module OSM require 'rexml/text' require 'xml/libxml' require 'digest/md5' - require 'RMagick' + + if defined?(SystemTimer) + Timer = SystemTimer + else + require 'timeout' + Timer = Timeout + end # The base class for API Errors. class APIError < RuntimeError - def render_opts - { :text => "Generic API Error", :status => :internal_server_error, :content_type => "text/plain" } + def status + :internal_server_error + end + + def to_s + "Generic API Error" end end # Raised when an API object is not found. class APINotFoundError < APIError - def render_opts - { :text => "The API wasn't found", :status => :not_found, :content_type => "text/plain" } + def status + :not_found + end + + def to_s + "Object not found" end end @@ -27,23 +41,41 @@ module OSM def initialize(message = "") @message = message end - - def render_opts - { :text => "Precondition failed: #{@message}", :status => :precondition_failed, :content_type => "text/plain" } + + def status + :precondition_failed + end + + def to_s + "Precondition failed: #{@message}" end end # Raised when to delete an already-deleted object. class APIAlreadyDeletedError < APIError - def render_opts - { :text => "The object has already been deleted", :status => :gone, :content_type => "text/plain" } + def initialize(object = "object", object_id = "") + @object, @object_id = object, object_id + end + + attr_reader :object, :object_id + + def status + :gone + end + + def to_s + "The #{object} with the id #{object_id} has already been deleted" end end # Raised when the user logged in isn't the same as the changeset class APIUserChangesetMismatchError < APIError - def render_opts - { :text => "The user doesn't own that changeset", :status => :conflict, :content_type => "text/plain" } + def status + :conflict + end + + def to_s + "The user doesn't own that changeset" end end @@ -54,16 +86,24 @@ module OSM end attr_reader :changeset - - def render_opts - { :text => "The changeset #{@changeset.id} was closed at #{@changeset.closed_at}.", :status => :conflict, :content_type => "text/plain" } + + def status + :conflict + end + + def to_s + "The changeset #{@changeset.id} was closed at #{@changeset.closed_at}" end end - + # Raised when a change is expecting a changeset, but the changeset doesn't exist class APIChangesetMissingError < APIError - def render_opts - { :text => "You need to supply a changeset to be able to make a change", :status => :conflict, :content_type => "text/plain" } + def status + :conflict + end + + def to_s + "You need to supply a changeset to be able to make a change" end end @@ -73,23 +113,29 @@ module OSM def initialize(provided, allowed) @provided, @allowed = provided, allowed end - - def render_opts - { :text => "Changeset mismatch: Provided #{@provided} but only " + - "#{@allowed} is allowed.", :status => :conflict, :content_type => "text/plain" } + + def status + :conflict + end + + def to_s + "Changeset mismatch: Provided #{@provided} but only #{@allowed} is allowed" end end - + # Raised when a diff upload has an unknown action. You can only have create, # modify, or delete class APIChangesetActionInvalid < APIError def initialize(provided) @provided = provided end - - def render_opts - { :text => "Unknown action #{@provided}, choices are create, modify, delete.", - :status => :bad_request, :content_type => "text/plain" } + + def status + :bad_request + end + + def to_s + "Unknown action #{@provided}, choices are create, modify, delete" end end @@ -100,9 +146,12 @@ module OSM @model, @xml, @message = model, xml, message end - def render_opts - { :text => "Cannot parse valid #{@model} from xml string #{@xml}. #{@message}", - :status => :bad_request, :content_type => "text/plain" } + def status + :bad_request + end + + def to_s + "Cannot parse valid #{@model} from xml string #{@xml}. #{@message}" end end @@ -114,10 +163,12 @@ module OSM attr_reader :provided, :latest, :id, :type - def render_opts - { :text => "Version mismatch: Provided " + provided.to_s + - ", server had: " + latest.to_s + " of " + type + " " + id.to_s, - :status => :conflict, :content_type => "text/plain" } + def status + :conflict + end + + def to_s + "Version mismatch: Provided #{provided}, server had: #{latest} of #{type} #{id}" end end @@ -130,24 +181,30 @@ module OSM attr_reader :type, :id, :tag_key - def render_opts - { :text => "Element #{@type}/#{@id} has duplicate tags with key #{@tag_key}.", - :status => :bad_request, :content_type => "text/plain" } + def status + :bad_request + end + + def to_s + "Element #{@type}/#{@id} has duplicate tags with key #{@tag_key}" end end - + # Raised when a way has more than the configured number of way nodes. # This prevents ways from being to long and difficult to work with class APITooManyWayNodesError < APIError - def initialize(provided, max) - @provided, @max = provided, max + def initialize(id, provided, max) + @id, @provided, @max = id, provided, max end - - attr_reader :provided, :max - - def render_opts - { :text => "You tried to add #{provided} nodes to the way, however only #{max} are allowed", - :status => :bad_request, :content_type => "text/plain" } + + attr_reader :id, :provided, :max + + def status + :bad_request + end + + def to_s + "You tried to add #{provided} nodes to way #{id}, however only #{max} are allowed" end end @@ -158,8 +215,86 @@ module OSM @message = message end - def render_opts - { :text => @message, :content_type => "text/plain", :status => :bad_request } + def status + :bad_request + end + + def to_s + @message + end + end + + ## + # raised when bounding box is invalid + class APIBadBoundingBox < APIError + def initialize(message) + @message = message + end + + def status + :bad_request + end + + def to_s + @message + end + end + + ## + # raised when an API call is made using a method not supported on that URI + class APIBadMethodError < APIError + def initialize(supported_method) + @supported_method = supported_method + end + + def status + :method_not_allowed + end + + def to_s + "Only method #{@supported_method} is supported on this URI" + end + end + + ## + # raised when an API call takes too long + class APITimeoutError < APIError + def status + :request_timeout + end + + def to_s + "Request timed out" + end + end + + ## + # raised when someone tries to redact a current version of + # an element - only historical versions can be redacted. + class APICannotRedactError < APIError + def status + :bad_request + end + + def to_s + "Cannot redact current version of element, only historical versions may be redacted." + end + end + + # Raised when the note provided is already closed + class APINoteAlreadyClosedError < APIError + def initialize(note) + @note = note + end + + attr_reader :note + + def status + :conflict + end + + def to_s + "The note #{@note.id} was closed at #{@note.closed_at}" end end @@ -228,19 +363,31 @@ module OSM # get the worst case bounds for a given radius from the base position def bounds(radius) latradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2)) - lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2)) + + begin + lonradius = 2 * asin(sqrt(sin(radius / 6372.795 / 2) ** 2 / cos(@lat) ** 2)) + rescue Errno::EDOM + lonradius = PI + end + minlat = (@lat - latradius) * 180 / PI maxlat = (@lat + latradius) * 180 / PI minlon = (@lon - lonradius) * 180 / PI maxlon = (@lon + lonradius) * 180 / PI + return { :minlat => minlat, :maxlat => maxlat, :minlon => minlon, :maxlon => maxlon } end + + # get the SQL to use to calculate distance + def sql_for_distance(lat_field, lon_field) + "6372.795 * 2 * asin(sqrt(power(sin((radians(#{lat_field}) - #{@lat}) / 2), 2) + cos(#{@lat}) * cos(radians(#{lat_field})) * power(sin((radians(#{lon_field}) - #{@lon})/2), 2)))" + end end class GeoRSS def initialize(feed_title='OpenStreetMap GPS Traces', feed_description='OpenStreetMap GPS Traces', feed_url='http://www.openstreetmap.org/traces/') @doc = XML::Document.new - @doc.encoding = 'UTF-8' + @doc.encoding = XML::Encoding::UTF_8 rss = XML::Node.new 'rss' @doc.root = rss @@ -326,31 +473,32 @@ module OSM class API def get_xml_doc doc = XML::Document.new - doc.encoding = 'UTF-8' + doc.encoding = XML::Encoding::UTF_8 root = XML::Node.new 'osm' - root['version'] = API_VERSION + root['version'] = API_VERSION.to_s root['generator'] = GENERATOR + root['copyright'] = COPYRIGHT_OWNER + root['attribution'] = ATTRIBUTION_URL + root['license'] = LICENSE_URL doc.root = root return doc end end - def self.IPLocation(ip_address) - Timeout::timeout(4) do - Net::HTTP.start('api.hostip.info') do |http| - country = http.get("/country.php?ip=#{ip_address}").body - country = "GB" if country == "UK" - Net::HTTP.start('ws.geonames.org') do |http| - xml = REXML::Document.new(http.get("/countryInfo?country=#{country}").body) - xml.elements.each("geonames/country") do |ele| - minlon = ele.get_text("bBoxWest").to_s - minlat = ele.get_text("bBoxSouth").to_s - maxlon = ele.get_text("bBoxEast").to_s - maxlat = ele.get_text("bBoxNorth").to_s - return { :minlon => minlon, :minlat => minlat, :maxlon => maxlon, :maxlat => maxlat } - end + def self.IPToCountry(ip_address) + Timer.timeout(4) do + ipinfo = Quova::IpInfo.new(ip_address) + + if ipinfo.status == Quova::Success then + country = ipinfo.country_code + else + Net::HTTP.start('api.hostip.info') do |http| + country = http.get("/country.php?ip=#{ip_address}").body + country = "GB" if country == "UK" end end + + return country.upcase end return nil @@ -358,6 +506,16 @@ module OSM return nil end + def self.IPLocation(ip_address) + code = OSM.IPToCountry(ip_address) + + if code and country = Country.find_by_code(code) + return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat } + end + + return nil + end + # Construct a random token of a given length def self.make_token(length = 30) chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789' @@ -377,15 +535,17 @@ module OSM end # Return an SQL fragment to select a given area of the globe - def self.sql_for_area(minlat, minlon, maxlat, maxlon, prefix = nil) - tilesql = QuadTile.sql_for_area(minlat, minlon, maxlat, maxlon, prefix) - minlat = (minlat * 10000000).round - minlon = (minlon * 10000000).round - maxlat = (maxlat * 10000000).round - maxlon = (maxlon * 10000000).round - - return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}" - end + def self.sql_for_area(bbox, prefix = nil) + tilesql = QuadTile.sql_for_area(bbox, prefix) + bbox = bbox.to_scaled + return "#{tilesql} AND #{prefix}latitude BETWEEN #{bbox.min_lat} AND #{bbox.max_lat} " + + "AND #{prefix}longitude BETWEEN #{bbox.min_lon} AND #{bbox.max_lon}" + end + def self.legal_text_for_country(country_code) + file_name = File.join(Rails.root, "config", "legales", country_code.to_s + ".yml") + file_name = File.join(Rails.root, "config", "legales", DEFAULT_LEGALE + ".yml") unless File.exist? file_name + YAML::load_file(file_name) + end end