Google Chrome konačno razbija web stranice koje zloupotrebljavaju push obavijesti . Chrome dodaje novu značajku #Push-Subscription-With-Expiration-Time iza chrome://flags koja će ograničiti pretplate na push obavijesti na 90 dana, saznaje TheWindowsClub^{(TheWindowsClub)} . Ova će oznaka omogućiti Push pretplatama^{(Subscriptions)} da podrže vrijeme isteka.

Chrome se odnosi na zloupotrebu obavijesti

U vrijeme pisanja ovog članka, ova zastava nije dostupna u ažuriranom Chrome Canaryju^{(Chrome Canary)} . No, prema obvezi Chromium Gerrita^{(Chromium Gerrit)} , uspješno je ponovno baziran i dostavljen u ažurirani Google Chrome Canary 86 . Možda je posao još u tijeku i možemo očekivati ​​da će se ova eksperimentalna značajka implementirati u buduće verzije Chrome Canaryja u nadolazećim danima^{(future Chrome Canary builds in the coming days)} .

“This CL enables Push Subscriptions to support a expiration time, set by Chrome in push_messaging_constants.h (currently 90 days),” the description reads.

“This feature is disabled by default, so to try it out you must set –enable-features= PushSubscriptionWithExpirationTime.”

Prema Chromium programerima, to će dodati vrijeme isteka (90 dana) kada se pretplatite na push obavijesti i u samoj metodi pretplate. Ova posebna značajka će proći atribut vremena isteka za treptanje.

“Atribut expirationTime će se generirati putem push usluge. Kada ga vratite u SubscriptionCallback (null je valjan), potrebno ga je proslijediti dolje u sloj za treptanje.”

Chrome će vjerojatno implementirati određene promjene korisničkog sučelja koje će potaknuti korisnike da postave svoju pretplatu na push obavijesti da istekne nakon određenog razdoblja. Ostaje za vidjeti mogu li korisnici prilagoditi vremenski okvir ili ne. Prvo^(First) , čini se da će ova značajka jasno obavijestiti o isteku pretplate kada se push obavijesti pretplate po prvi put.

Nekoliko je strana uključeno u cijeli proces. Nakon što se korisnici pretplate na obavijesti, informacije o isteku pretplate bit će dohvaćene iz app_identifier i poslane natrag kao povratni poziv PushMessagingManageru^{(PushMessagingManager)} . Chrome će pohraniti vrijeme isteka u PushMessagingAppIdentifier . Međutim, to još nije provedeno. Ipak, ova značajka je aktivno u razvoju.

Kada ova zastavica postane dostupna, možete je omogućiti na Google Chrome Canary .

Kako omogućiti Push pretplatu^{(Push Subscription)} s vremenom isteka^{(Expiration Time)} u Chromeu^(Chrome)

1. Otvorite Chrome Canary
2. Otvorite chrome://flags
3. Pronađite Push pretplatu^{(Locate Push Subscription)} s vremenom isteka^{(Expiration Time)}
4. Postavite^(Set) zastavicu na Omogući^(Enable) odmah kada je kartica skrivena pomoću padajućeg izbornika
5. Ponovno pokrenite Chrome.

Ukratko, ova značajka će dodati istek pretplatama u trenutku pretplate na obavijesti. U međuvremenu, Chrome mora odlučiti gdje će uštedjeti vrijeme isteka na strani korisničkog agenta. Pa, ova će značajka biti neobavezna i na korisnicima će biti da odluče žele li ili ne da njihove push pretplate isteknu nakon 90 dana.

Programeri Chromiuma aktivno rade na ovoj značajci od prošlog mjeseca. TheWindowsClub je uočio nekoliko obrada Chromium^{(Chromium Gerrit)} Gerrita koje potvrđuju razvoj.

We will update this article as soon as this experimental feature flag #Push-Subscription-With-Expiration-Time is available under chrome://flags.

Google Chrome to limit push notification subscriptions to 90 days

Google Chrоme is finally cracking down on websites аbusing рush notifications. Chrome is adding a new feаture #Push-Subscription-With-Expiration-Time behind chrome://flags that will limit push notification subscriptions to 90 days, TheWindowsClub has learned. This flag will enable Push Subscriptions to support an expiration time.

Chrome addressing notifications abuse

At the time of writing this article, this flag is not available in the updated Chrome Canary. But as per Chromium Gerrit commit, it has been successfully rebased and submitted to the updated Google Chrome Canary 86. Perhaps the work is still in progress and we can expect this experimental feature flag to be implemented to future Chrome Canary builds in the coming days.

“This CL enables Push Subscriptions to support a expiration time, set by Chrome in push_messaging_constants.h (currently 90 days),” the description reads.

“This feature is disabled by default, so to try it out you must set –enable-features= PushSubscriptionWithExpirationTime.”

According to Chromium developers, this will add expiration time (90 days) when subscribing to push notifications and in the subscribe method itself. This particular feature will Pass expiration time attribute to blink.

“The expirationTime attribute will be generated through the push service. When getting it back in the SubscriptionCallback (null is valid), it needs to be passed down to the blink layer.”

Chrome is likely to implement certain UI changes that will prompt users to set their push notification subscription to expire after a specific period. It remains to be seen whether or not users can customize the time frame. First things first, it looks like this feature will clearly communicate subscription expiry when push notifications are subscribed for the first time.

There are several parties involved in the entire process. Once users subscribe to notifications, information about subscription expiry will be retrieved from the app_identifier and sent back as a callback to PushMessagingManager. Chrome will store expiration time in PushMessagingAppIdentifier. However, this has not been implemented yet. That said, this feature is actively under development.

Once this flag is available, you can enable it on Google Chrome Canary.

How to enable the Push Subscription With Expiration Time flag in Chrome

1. Open Chrome Canary
2. Open chrome://flags
3. Locate Push Subscription With Expiration Time
4. Set the flag to Enable immediately when a tab is hidden using the drop-down menu
5. Relaunch Chrome.

To summarize, this feature will add expiry to subscriptions at the time of subscribing to notifications. Meanwhile, Chrome has to decide where to save expiration time on the user agent side. Well, this feature will be optional and it will be up to users to decide whether or not they want their push subscriptions to expire after 90 days.

Chromium developers have been actively working on this feature since last month. TheWindowsClub has spotted several Chromium Gerrit commits that confirm the development.

We will update this article as soon as this experimental feature flag #Push-Subscription-With-Expiration-Time is available under chrome://flags.

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