Add special feature support to vendor list parsers #34
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mansinahar
approved these changes
Jan 5, 2022
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Looks pretty straightforward! |
VeronikaSolovei9
approved these changes
Jan 5, 2022
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This library supports TCF1 and TCF2. Special features are introduced in the TCF2 framework and are not a part of the TCF1 framework.
The TCF2 GVL contains a list of special features and, for every vendor, the list of special features they use across purposes: https://github.com/InteractiveAdvertisingBureau/GDPR-Transparency-and-Consent-Framework/blob/master/TCFv2/IAB%20Tech%20Lab%20-%20Consent%20string%20and%20vendor%20list%20formats%20v2.md#the-global-vendor-list
There are only two special features defined in the TCF2 framework:
https://iabeurope.eu/iab-europe-transparency-consent-framework-policies/#___D_Special_Features__
Special features are opt-in. See
SpecialFeatureOptInshere: https://github.com/InteractiveAdvertisingBureau/GDPR-Transparency-and-Consent-Framework/blob/master/TCFv2/IAB%20Tech%20Lab%20-%20Consent%20string%20and%20vendor%20list%20formats%20v2.md#the-core-stringThis library has eager and lazy parsers for both TCF1 and TCF2. The parsers process the GVL as JSON mapping the data to structs and then each parser has a method on it making it easy to access a given special feature to see if the vendor opts in.