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author | Elliot Kroo <kroo@appjet.com> | 2010-03-11 15:21:30 -0800 |
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committer | Elliot Kroo <kroo@appjet.com> | 2010-03-11 15:21:30 -0800 |
commit | 98e2821b38a775737e42a2479a6bc65107210859 (patch) | |
tree | 55939a8ba1dce4f4e48ebb13b658061d62bf1b9a /etherpad/src/static/js/billing_shared.js | |
parent | c1894c8e0a52f4e3d2f89fa92f0066bbf0fcf1b1 (diff) | |
download | etherpad-98e2821b38a775737e42a2479a6bc65107210859.tar.gz etherpad-98e2821b38a775737e42a2479a6bc65107210859.tar.bz2 etherpad-98e2821b38a775737e42a2479a6bc65107210859.zip |
reorganizing the first level of folders (trunk/branch folders are not the git way :)
Diffstat (limited to 'etherpad/src/static/js/billing_shared.js')
-rw-r--r-- | etherpad/src/static/js/billing_shared.js | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/etherpad/src/static/js/billing_shared.js b/etherpad/src/static/js/billing_shared.js new file mode 100644 index 0000000..dc3a00c --- /dev/null +++ b/etherpad/src/static/js/billing_shared.js @@ -0,0 +1,94 @@ +/** + * Copyright 2009 Google Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS-IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +var billing = {}; + +billing.CC = function(shortName, prefixes, length) { + this.type = shortName; + this.prefixes = prefixes; + this.length = length; + function validateLuhn(number) { + var digits = []; + var sum = 0; + for (var i = 0; i < number.length; ++i) { + var c = Number(number.charAt(number.length-1-i)); + sum += c; + if (i % 2 == 1) { // every second digit + sum += c; + if (2*c >= 10) { + sum -= 9; + } + } + } + return (sum % 10 == 0); + } + this.validatePrefix = function(number) { + for (var i = 0; i < this.prefixes.length; ++i) { + if (number.indexOf(String(this.prefixes[i])) == 0) { + return true; + } + } + return false; + } + this.validateLength = function(number) { + return number.length == this.length; + } + + this.validateNumber = function(number) { + return this.validateLength(number) && + this.validatePrefix(number) && + validateLuhn(number); + } +} + +billing.ccTypes = [ + new billing.CC('amex', [34, 37], 15), + new billing.CC('disc', [6011, 644, 645, 646, 647, 648, 649, 65], 16), + new billing.CC('mc', [51, 52, 53, 54, 55], 16), + new billing.CC('visa', [4], 16)]; + +billing.validateCcNumber = function(number) { + if (! (/^\d+$/.test(number))) { + return false; + } + for (var i = 0; i < billing.ccTypes.length; ++i) { + var ccType = billing.ccTypes[i]; + if (ccType.validatePrefix(number)) { + return ccType.validateNumber(number); + } + } + return false; +} + +billing.validateCcLength = function(number) { + for (var i = 0; i < billing.ccTypes.length; ++i) { + var ccType = billing.ccTypes[i]; + if (ccType.validatePrefix(number)) { + return ccType.validateLength(number); + } + } + return false; +} + +billing.getCcType = function(number) { + for (var i = 0; i < billing.ccTypes.length; ++i) { + var ccType = billing.ccTypes[i]; + if (ccType.validatePrefix(number)) { + return ccType.type; + } + } + return false; +} |