require 'active_support/concern' require 'active_record' require 'active_model' module PAK module ValidatesHostname autoload :VERSION, 'validates_hostname/version' # List from IANA: http://www.iana.org/domains/root/db/ # http://data.iana.org/TLD/tlds-alpha-by-domain.txt ALLOWED_TLDS = %w( . aaa aarp abarth abb abbott abbvie abc able abogado abudhabi ac academy accenture accountant accountants aco active actor ad adac ads adult ae aeg aero aetna af afamilycompany afl africa ag agakhan agency ai aig aigo airbus airforce airtel akdn al alfaromeo alibaba alipay allfinanz allstate ally alsace alstom am americanexpress americanfamily amex amfam amica amsterdam analytics android anquan anz ao aol apartments app apple aq aquarelle ar aramco archi army arpa art arte as asda asia associates at athleta attorney au auction audi audible audio auspost author auto autos avianca aw aws ax axa az azure ba baby baidu banamex bananarepublic band bank bar barcelona barclaycard barclays barefoot bargains baseball basketball bauhaus bayern bb bbc bbt bbva bcg bcn bd be beats beauty beer bentley berlin best bestbuy bet bf bg bh bharti bi bible bid bike bing bingo bio biz bj black blackfriday blanco blockbuster blog bloomberg blue bm bms bmw bn bnl bnpparibas bo boats boehringer bofa bom bond boo book booking boots bosch bostik boston bot boutique box br bradesco bridgestone broadway broker brother brussels bs bt budapest bugatti build builders business buy buzz bv bw by bz bzh ca cab cafe cal call calvinklein cam camera camp cancerresearch canon capetown capital capitalone car caravan cards care career careers cars cartier casa case caseih cash casino cat catering catholic cba cbn cbre cbs cc cd ceb center ceo cern cf cfa cfd cg ch chanel channel chase chat cheap chintai chloe christmas chrome chrysler church ci cipriani circle cisco citadel citi citic city cityeats ck cl claims cleaning click clinic clinique clothing cloud club clubmed cm cn co coach codes coffee college cologne com 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pay pccw pe pet pf pfizer pg ph pharmacy philips phone photo photography photos physio piaget pics pictet pictures pid pin ping pink pioneer pizza pk pl place play playstation plumbing plus pm pn pnc pohl poker politie porn post pr pramerica praxi press prime pro prod productions prof progressive promo properties property protection pru prudential ps pt pub pw pwc py qa qpon quebec quest qvc racing radio raid re read realestate realtor realty recipes red redstone redumbrella rehab reise reisen reit reliance ren rent rentals repair report republican rest restaurant review reviews rexroth rich richardli ricoh rightathome ril rio rip rmit ro rocher rocks rodeo rogers room rs rsvp ru rugby ruhr run rw rwe ryukyu sa saarland safe safety sakura sale salon samsclub samsung sandvik sandvikcoromant sanofi sap sapo sarl sas save saxo sb sbi sbs sc sca scb schaeffler schmidt scholarships school schule schwarz science scjohnson scor scot sd se seat secure security seek select sener services ses 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xn--c1avg xn--c2br7g xn--cck2b3b xn--cg4bki xn--clchc0ea0b2g2a9gcd xn--czr694b xn--czrs0t xn--czru2d xn--d1acj3b xn--d1alf xn--e1a4c xn--eckvdtc9d xn--efvy88h xn--estv75g xn--fct429k xn--fhbei xn--fiq228c5hs xn--fiq64b xn--fiqs8s xn--fiqz9s xn--fjq720a xn--flw351e xn--fpcrj9c3d xn--fzc2c9e2c xn--fzys8d69uvgm xn--g2xx48c xn--gckr3f0f xn--gecrj9c xn--gk3at1e xn--h2brj9c xn--hxt814e xn--i1b6b1a6a2e xn--imr513n xn--io0a7i xn--j1aef xn--j1amh xn--j6w193g xn--jlq61u9w7b xn--jvr189m xn--kcrx77d1x4a xn--kprw13d xn--kpry57d xn--kpu716f xn--kput3i xn--l1acc xn--lgbbat1ad8j xn--mgb9awbf xn--mgba3a3ejt xn--mgba3a4f16a xn--mgba7c0bbn0a xn--mgbaam7a8h xn--mgbab2bd xn--mgbai9azgqp6j xn--mgbayh7gpa xn--mgbb9fbpob xn--mgbbh1a71e xn--mgbc0a9azcg xn--mgbca7dzdo xn--mgberp4a5d4ar xn--mgbi4ecexp xn--mgbpl2fh xn--mgbt3dhd xn--mgbtx2b xn--mgbx4cd0ab xn--mix891f xn--mk1bu44c xn--mxtq1m xn--ngbc5azd xn--ngbe9e0a xn--node xn--nqv7f xn--nqv7fs00ema xn--nyqy26a xn--o3cw4h xn--ogbpf8fl xn--p1acf xn--p1ai xn--pbt977c xn--pgbs0dh xn--pssy2u xn--q9jyb4c xn--qcka1pmc xn--qxam xn--rhqv96g xn--rovu88b xn--s9brj9c xn--ses554g xn--t60b56a xn--tckwe xn--tiq49xqyj xn--unup4y xn--vermgensberater-ctb xn--vermgensberatung-pwb xn--vhquv xn--vuq861b xn--w4r85el8fhu5dnra xn--w4rs40l xn--wgbh1c xn--wgbl6a xn--xhq521b xn--xkc2al3hye2a xn--xkc2dl3a5ee0h xn--y9a3aq xn--yfro4i67o xn--ygbi2ammx xn--zfr164b xperia xxx xyz yachts yahoo yamaxun yandex ye yodobashi yoga yokohama you youtube yt yun za zappos zara zero zip zippo zm zone zuerich zw ) DEFAULT_ERROR_MSG = { :invalid_hostname_length => 'must be between 1 and 255 characters long', :invalid_label_length => 'must be between 1 and 63 characters long', :label_begins_or_ends_with_hyphen => 'begins or ends with hyphen', :label_contains_invalid_characters => "contains invalid characters (valid characters: [%{valid_chars}])", :hostname_label_is_numeric => 'unqualified hostname part cannot consist of numeric values only', :hostname_is_not_fqdn => 'is not a fully qualified domain name', :single_numeric_hostname_label => 'cannot consist of a single numeric label', :hostname_contains_consecutive_dots => 'must not contain consecutive dots', :hostname_ends_with_dot => 'must not end with a dot' }.freeze class HostnameValidator < ActiveModel::EachValidator def initialize(options) opts = { :allow_underscore => false, :require_valid_tld => false, :valid_tlds => ALLOWED_TLDS, :allow_numeric_hostname => false, :allow_wildcard_hostname => false, :allow_root_label => false }.merge(options) super(opts) end def validate_each(record, attribute, value) value ||= '' # maximum hostname length: 255 characters add_error(record, attribute, :invalid_hostname_length) unless value.length.between?(1, 255) # split each hostname into labels and do various checks if value.is_a?(String) labels = value.split '.' labels.each_with_index do |label, index| # CHECK 1: hostname label cannot be longer than 63 characters add_error(record, attribute, :invalid_label_length) unless value.length.between?(1, 63) # CHECK 2: hostname label cannot begin or end with hyphen add_error(record, attribute, :label_begins_or_ends_with_hyphen) if label =~ /^[-]/i or label =~ /[-]$/ # Take care of wildcard first label next if options[:allow_wildcard_hostname] and label == '*' and index == 0 # CHECK 3: hostname can only contain characters: # a-z, 0-9, hyphen, optional underscore, optional asterisk valid_chars = 'a-z0-9\-' valid_chars << '_' if options[:allow_underscore] == true add_error(record, attribute, :label_contains_invalid_characters, :valid_chars => valid_chars) unless label =~ /^[#{valid_chars}]+$/i end # CHECK 4: the unqualified hostname portion cannot consist of # numeric values only if options[:allow_numeric_hostname] == false and labels.length > 0 is_numeric_only = labels[0] =~ /\A\d+\z/ add_error(record, attribute, :hostname_label_is_numeric) if is_numeric_only end # CHECK 5: in order to be fully qualified, the full hostname's # TLD must be valid if options[:require_valid_tld] == true my_tld = value == '.' ? value : labels.last my_tld ||= '' has_tld = options[:valid_tlds].select { |tld| tld =~ /^#{Regexp.escape(my_tld)}$/i }.empty? ? false : true add_error(record, attribute, :hostname_is_not_fqdn) unless has_tld end # CHECK 6: hostname may not contain consecutive dots if value =~ /\.\./ add_error(record, attribute, :hostname_contains_consecutive_dots) end # CHECK 7: do not allow trailing dot unless option is set if options[:allow_root_label] == false if value =~ /\.$/ add_error(record, attribute, :hostname_ends_with_dot) end end end end def add_error(record, attr_name, message, *interpolators) args = { :default => [DEFAULT_ERROR_MSG[message], options[:message]], :scope => [:errors, :messages] }.merge(interpolators.last.is_a?(Hash) ? interpolators.pop : {}) record.errors.add(attr_name, I18n.t( message, args )) end end class DomainnameValidator < HostnameValidator def initialize(options) opts = { :require_valid_tld => true, :allow_numeric_hostname => true }.merge(options) super(opts) end def validate_each(record, attribute, value) super if value.is_a?(String) labels = value.split '.' labels.each do |label| # CHECK 1: if there is only one label it cannot be numeric even # though numeric hostnames are allowed if options[:allow_numeric_hostname] == true is_numeric_only = labels[0] =~ /\A\d+\z/ if is_numeric_only and labels.size == 1 add_error(record, attribute, :single_numeric_hostname_label) end end end end end def add_error(record, attr_name, message, *interpolators) args = { :default => [DEFAULT_ERROR_MSG[message], options[:message]], :scope => [:errors, :messages] }.merge(interpolators.last.is_a?(Hash) ? interpolators.pop : {}) record.errors.add(attr_name, I18n.t( message, args )) end end class FqdnValidator < HostnameValidator def initialize(options) opts = { :require_valid_tld => true, }.merge(options) super(opts) end end class WildcardValidator < HostnameValidator def initialize(options) opts = { :allow_wildcard_hostname => true, }.merge(options) super(opts) end end end end ActiveRecord::Base.send(:include, PAK::ValidatesHostname)