require 'xml/libxml'
require 'digest/md5'
require 'RMagick'
+ require 'nokogiri'
# 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
+
+ # Raised when a diff is uploaded containing many changeset IDs which don't match
+ # the changeset ID that the diff was uploaded to.
+ class APIChangesetMismatchError < APIError
+ def initialize(provided, allowed)
+ @provided, @allowed = provided, allowed
+ end
+
+ 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 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, message="")
+ @model, @xml, @message = model, xml, message
+ end
+
+ def status
+ :bad_request
+ end
+
+ def to_s
+ "Cannot parse valid #{@model} from xml string #{@xml}. #{@message}"
end
end
# Raised when the provided version is not equal to the latest in the db.
class APIVersionMismatchError < APIError
- def initialize(provided, latest)
- @provided, @latest = provided, latest
+ def initialize(id, type, provided, latest)
+ @id, @type, @provided, @latest = id, type, provided, latest
end
- attr_reader :provided, :latest
+ attr_reader :provided, :latest, :id, :type
+
+ def status
+ :conflict
+ end
- def render_opts
- { :text => "Version mismatch: Provided " + provided.to_s +
- ", server had: " + latest.to_s, :status => :conflict }
+ 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(id, provided, max)
+ @id, @provided, @max = id, provided, max
+ end
+
+ 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
# 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
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['generator'] = 'OpenStreetMap server'
+ root['generator'] = GENERATOR
doc.root = root
return doc
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
+ 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
+
+ country = Country.find_by_code(country.upcase)
+
+ return { :minlon => country.min_lon, :minlat => country.min_lat, :maxlon => country.max_lon, :maxlat => country.max_lat }
end
return nil
return "#{tilesql} AND #{prefix}latitude BETWEEN #{minlat} AND #{maxlat} AND #{prefix}longitude BETWEEN #{minlon} AND #{maxlon}"
end
+ # Return a spam score for a chunk of text
+ def self.spam_score(text)
+ link_count = 0
+ link_size = 0
+
+ doc = Nokogiri::HTML(text)
+
+ if doc.content.length > 0
+ doc.xpath("//a").each do |link|
+ link_count += 1
+ link_size += link.content.length
+ end
+ link_proportion = link_size.to_f / doc.content.length.to_f
+ else
+ link_proportion = 0
+ end
+
+ return [link_proportion - 0.2, 0.0].max * 200 + link_count * 20
+ end
end
projects / rails.git / blobdiff