X-Git-Url: http://git.freeside.biz/gitweb/?a=blobdiff_plain;f=CreditCard.pm;h=12dbf0d956add9e57bdd15a440eca16701248509;hb=27fc63b10116887d2db9a59de39930a03cf4156d;hp=8d5dcbb1acb6c92d29f72a576fc290d9b5bccbf9;hpb=989cca9a537ca5e1e92aae93d9c55503f54b86ef;p=Business-CreditCard.git diff --git a/CreditCard.pm b/CreditCard.pm index 8d5dcbb..12dbf0d 100644 --- a/CreditCard.pm +++ b/CreditCard.pm @@ -1,11 +1,15 @@ package Business::CreditCard; require Exporter; -use vars qw( @ISA $VERSION $Country ); +use vars qw( @ISA $VERSION @EXPORT @EXPORT_OK %EXPORT_TAGS $Country ); @ISA = qw( Exporter ); -$VERSION = "0.35"; +$VERSION = "0.36"; + +@EXPORT = qw( cardtype validate generate_last_digit ); +@EXPORT_OK = qw( receipt_cardtype validate_card ); +$EXPORT_TAGS{NEW} = [ qw( validate_card cardtype receipt_cardtype ) ]; $Country = 'US'; @@ -59,11 +63,11 @@ cards are now recognized as "Discover card"). As of 0.30, cardtype() will accept a partial card masked with "x", "X', ".", "*" or "_". Only the first 2-6 digits and the length are significant; -whitespace and dashes are removed. To recognize just Visa, MasterCard and -Amex, you only need the first two digits; to recognize almost all cards -except some Switch cards, you need the first four digits, and to recognize -all cards including the remaining Switch cards, you need the first six -digits. +whitespace and dashes are removed. With two digits, Visa, MasterCard, Discover +and Amex are recognized (versions before 0.36 needed four digits to recognize +all Discover cards). With four digits, almost all cards except some +Switch cards are recognized. With six digits (the full "BIN" or "IIN"), all +cards are recognized. Six digits are also required for receipt_cardtype(). The generate_last_digit() subroutine computes and returns the last digit of the card given the preceding digits. With a 16-digit card, @@ -114,6 +118,15 @@ cardtype(). Use this for receipt display/printing only. +Note: this subroutine is not exported by default like the others. +Before 0.36, you needed to call this subroutine fully-qualified, as +Business::CreditCard::receipt_cardtype() + +In 0.36 and later, you can import it into your namespace: + + use Business::CreditCard qw( :DEFAULT receipt_cardtype ); + + =head1 ORIGINAL AUTHOR Jon Orwant @@ -152,6 +165,43 @@ how to change things to behave in a more modern fashion without breaking existing code? "use Business::CreditCard " turns it off? Explicitly ask to turn it off and list that in the SYNOPSIS? +=head2 validate() and @EXPORT transition plan + +First (done in 0.36): + +validate_card() is the new name for validate(). Both work for now. + +New-style usage (not recommended for code that needs to support B:CC before 0.36): + + use Business::CreditCard qw( :NEW ); + +You get validate_card(), cardtype() and receipt_cardtype(). You can also ask +for them explicitly / individually: + + use Business::CreditCard qw( validate_card cardtype receipt_cardtype ); + + +Second (we're at now now): + +Waiting for 0.36+ to become more prevalent. + + +Third: + +Recommend new-style usage. Maybe asking for a specific minimum version turns +it on too? + + +Fourth: + (this is the incompatible part): + +Don't export validate() (or anything else [separately?]) by default. + +This is the part that will break things and we probably won't do for a long +time, until new-style usage is the norm and the tradeoff of breaking old code +is worth it to stop or namespace pollution. Maybe do a 1.00 releaes with the +current API and 2.00 is when this happens (with a 1.99_01 pre-release)? + =head1 SEE ALSO L is a wrapper around Business::CreditCard @@ -166,8 +216,6 @@ providing credit card number verification (LUHN checking). =cut -@EXPORT = qw(cardtype validate generate_last_digit); - ## ref http://neilb.org/reviews/luhn.html#Comparison it looks like ## Business::CCCheck is 2x faster than we are. looking at their implementation ## not entirely a fair comparison, we also do the equivalent of their CC_clean, @@ -206,15 +254,15 @@ sub cardtype { return "American Express card" if $number =~ /^3[47][\dx]{13}$/o; return "Discover card" - if $number =~ /^30[0-5][\dx]{13,16}$/o #diner's: 300-305 - || $number =~ /^3095[\dx]{12}$/o #diner's: 3095 - || $number =~ /^36[\dx]{12,17}$/o #diner's: 36 - || $number =~ /^3[89][\dx]{14,17}$/o #diner's: 38 and 39 - || $number =~ /^6011[\dx]{12,15}$/o - || $number =~ /^64[4-9][\dx]{13,16}$/o - || $number =~ /^65[\dx]{14,17}$/o - || ( $number =~ /^62[24-68][\dx]{13,16}$/o && $Country =~ /^(US|MX|AI|AG|AW|BS|BB|BM|BQ|VG|KY|CW|DM|DO|GD|GP|JM|MQ|MS|BL|KN|LC|VC|MF|SX|TT|TC)$/oi ) #China Union Pay identified as Discover in US, Mexico and Caribbean - || ( $number =~ /^35(2[89]|[3-8][\dx])[\dx]{12,15}$/o && $Country =~ /^(US|PR|VI|MP|PW|GU)$/oi ); #JCB cards in the 3528-3589 range are identified as Discover in US, Puerto Rico, US Virgin Islands, Northern Mariana Islands, Palau and Guam + if $number =~ /^30[0-5x][\dx]{13,16}$/o #diner's: 300-305, 30x + || $number =~ /^309[5x][\dx]{12}$/o # 3095, 309x + || $number =~ /^36[\dx]{12,17}$/o # 36 + || $number =~ /^3[89][\dx]{14,17}$/o # 38 and 39 + || $number =~ /^60[1x]{2}[\dx]{12,15}$/o #discover: 6011 601x 60xx + || $number =~ /^64[4-9x][\dx]{13,16}$/o # 644-649, 64x + || $number =~ /^65[\dx]{14,17}$/o # 65 + || ( $number =~ /^62[24-68x][\dx]{13,16}$/o && $Country =~ /^(US|MX|AI|AG|AW|BS|BB|BM|BQ|VG|KY|CW|DM|DO|GD|GP|JM|MQ|MS|BL|KN|LC|VC|MF|SX|TT|TC)$/oi ) #China Union Pay identified as Discover in US, Mexico and Caribbean + || ( $number =~ /^35(2[89x]|[3-8][\dx]|xx)[\dx]{12,15}$/o && $Country =~ /^(US|PR|VI|MP|PW|GU)$/oi ); #JCB cards in the 3528-3589 range are identified as Discover in US, Puerto Rico, US Virgin Islands, Northern Mariana Islands, Palau and Guam return "Switch" if $number =~ /^49(03(0[2-9]|3[5-9])|11(0[1-2]|7[4-9]|8[1-2])|36[0-9]{2})[\dx]{10}([\dx]{2,3})?$/o @@ -223,9 +271,6 @@ sub cardtype { #redunant with above, catch 49* that's not Switch return "VISA card" if $number =~ /^4[\dx]{12,18}$/o; - #return "Diner's Club/Carte Blanche" - # if $number =~ /^3(0[0-59]|[68][\dx])[\dx]{11}$/o; - #"Diners Club enRoute" return "enRoute" if $number =~ /^2(014|149)[\dx]{11}$/o; @@ -298,7 +343,10 @@ sub generate_last_digit { # } # $type = '' if $ccn % 10; # return $type; -sub validate { + +sub validate { validate_card(@_); } + +sub validate_card { # Allow use as a class method shift if UNIVERSAL::isa( $_[0], 'Business::CreditCard' );