Stephen M. Harris smhmic
smhmic
/ allowlinker-ga.js
Last active
October 22, 2020 00:26
— forked from sahava/allowlinker-ga.js
This script reproduces Google Analytics' (analytics.js) allowLinker/autolinker logic, resulting in a function that returns the GA client id, but only if the autolinker parameter is valid. Uses the "old" linker plugin format. You can also pass a string as an argument to check if that string is a valid linker parameter.
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| // Mirrors analytics.js logic to validate autolinker param, and returns cid if valid. | |
| // Returns false if autolinker param found, but invalid. | |
| // Otherwise returns undefined. | |
| var getCidFromAutolinker = function(str) { | |
| var joiner = function (cidGid, offset) { | |
| var a = new Date, | |
| b = window.navigator, | |
| c = b.plugins || []; | |
| var d = [cidGid, b.userAgent, a.getTimezoneOffset(), a.getYear(), a.getDate(), a.getHours(), a.getMinutes() + offset]; |
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