require 'rexml/parsers/sax2parser'
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 => "", :status => :internal_server_error }
+ 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 status
+ :not_found
+ end
+
+ def to_s
+ "Object not found"
+ end
end
# Raised when a precondition to an API action fails sanity check.
class APIPreconditionFailedError < APIError
- def render_opts
- { :text => "", :status => :precondition_failed }
+ def initialize(message = "")
+ @message = message
+ end
+
+ 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 => "", :status => :gone }
+ 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 }
+ def status
+ :conflict
+ end
+
+ def to_s
+ "The user doesn't own that changeset"
end
end
# Raised when the changeset provided is already closed
class APIChangesetAlreadyClosedError < APIError
- def render_opts
- { :text => "The supplied changeset has already been closed", :status => :conflict }
+ def initialize(changeset)
+ @changeset = changeset
+ end
+
+ attr_reader :changeset
+
+ 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 }
+ def status
+ :conflict
+ end
+
+ def to_s
+ "You need to supply a changeset to be able to make a change"
end
end
def initialize(provided, allowed)
@provided, @allowed = provided, allowed
end
-
- def render_opts
- { :text => "Changeset mismatch: Provided #{@provided} but only " +
- "#{@allowed} is allowed.", :status => :conflict }
+
+ 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 }
+
+ def status
+ :bad_request
+ end
+
+ def to_s
+ "Unknown action #{@provided}, choices are create, modify, delete"
end
end
# Raised when bad XML is encountered which stops things parsing as
# they should.
class APIBadXMLError < APIError
- def initialize(model, xml)
- @model, @xml = model, xml
+ def initialize(model, xml, message="")
+ @model, @xml, @message = model, xml, message
+ end
+
+ def status
+ :bad_request
end
- def render_opts
- { :text => "Cannot parse valid #{@model} from xml string #{@xml}",
- :status => :bad_request }
+ def to_s
+ "Cannot parse valid #{@model} from xml string #{@xml}. #{@message}"
end
end
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 }
+ def status
+ :conflict
+ end
+
+ def to_s
+ "Version mismatch: Provided #{provided}, server had: #{latest} of #{type} #{id}"
end
end
attr_reader :type, :id, :tag_key
- def render_opts
- { :text => "Element #{@type}/#{@id} has duplicate tags with key #{@tag_key}.",
- :status => :bad_request }
+ 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 }
+
+ 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
+
+ ##
+ # raised when user input couldn't be parsed
+ class APIBadUserInput < APIError
+ def initialize(message)
+ @message = message
+ end
+
+ 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
+
+ # Raised when the note provided is already open
+ class APINoteAlreadyOpenError < APIError
+ def initialize(note)
+ @note = note
+ end
+
+ attr_reader :note
+
+ def status
+ :conflict
+ end
+
+ def to_s
+ "The note #{@note.id} is already open"
+ end
+ end
+
+ # raised when a two preferences have a duplicate key string.
+ class APIDuplicatePreferenceError < APIError
+ def initialize(key)
+ @key = key
+ end
+
+ attr_reader :key
+
+ def status
+ :bad_request
+ end
+
+ def to_s
+ "Duplicate preferences with key #{@key}"
end
end
# 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, Math::DomainError
+ 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
- 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'
-
- rss = XML::Node.new 'rss'
- @doc.root = rss
- rss['version'] = "2.0"
- rss['xmlns:geo'] = "http://www.w3.org/2003/01/geo/wgs84_pos#"
- @channel = XML::Node.new 'channel'
- rss << @channel
- title = XML::Node.new 'title'
- title << feed_title
- @channel << title
- description_el = XML::Node.new 'description'
- @channel << description_el
-
- description_el << feed_description
- link = XML::Node.new 'link'
- link << feed_url
- @channel << link
- image = XML::Node.new 'image'
- @channel << image
- url = XML::Node.new 'url'
- url << 'http://www.openstreetmap.org/images/mag_map-rss2.0.png'
- image << url
- title = XML::Node.new 'title'
- title << "OpenStreetMap"
- image << title
- width = XML::Node.new 'width'
- width << '100'
- image << width
- height = XML::Node.new 'height'
- height << '100'
- image << height
- link = XML::Node.new 'link'
- link << feed_url
- image << link
- end
-
- def add(latitude=0, longitude=0, title_text='dummy title', author_text='anonymous', url='http://www.example.com/', description_text='dummy description', timestamp=DateTime.now)
- item = XML::Node.new 'item'
-
- title = XML::Node.new 'title'
- item << title
- title << title_text
- link = XML::Node.new 'link'
- link << url
- item << link
-
- guid = XML::Node.new 'guid'
- guid << url
- item << guid
-
- description = XML::Node.new 'description'
- description << description_text
- item << description
-
- author = XML::Node.new 'author'
- author << author_text
- item << author
-
- pubDate = XML::Node.new 'pubDate'
- pubDate << timestamp.to_s(:rfc822)
- item << pubDate
-
- if latitude
- lat_el = XML::Node.new 'geo:lat'
- lat_el << latitude.to_s
- item << lat_el
- end
- if longitude
- lon_el = XML::Node.new 'geo:long'
- lon_el << longitude.to_s
- item << lon_el
- end
-
- @channel << item
- end
-
- def to_s
- return @doc.to_s
+ # 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 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
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
+
+ # Parse a float, raising a specified exception on failure
+ def self.parse_float(str, klass, *args)
+ Float(str)
+ rescue
+ raise klass.new(*args)
+ end
+
# Construct a random token of a given length
def self.make_token(length = 30)
chars = 'abcdefghijklmnopqrtuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
return token
end
- # Return an encrypted version of a password
- def self.encrypt_password(password, salt)
- return Digest::MD5.hexdigest(password) if salt.nil?
- return Digest::MD5.hexdigest(salt + password)
- 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