Inconsistent universal/deeplinking for http://podcasts.apple.com/ links
| Originator: | rgfox | ||
| Number: | rdar://6881192 | Date Originated: | 7/31/2019 |
| Status: | Active | Resolved: | |
| Product: | Podcasts | Product Version: | iOS 12.4 (16G5038d) |
| Classification: | Reproducible: | Yes |
How to Reproduce: You can reproduce these inconsistencies by loading the below link into `openURL` with universal link only option, and reproduce the redirect to itmss: by loading it in WKWebView. https://podcasts.apple.com/us/podcast/podcast-me-anything/id1454336984?fbclid=IwAR0v2-g1cm03vJmBqAk9TjewcUNCUcdle8fDM-voVL7D2asB71NSQPtOerA Description of Issue: In WKWebView (via `loadRequest` or on link click) opens the following link in iTunes Store App: https://podcasts.apple.com/us/podcast/podcast-me-anything/id1454336984?fbclid=IwAR0v2-g1cm03vJmBqAk9TjewcUNCUcdle8fDM-voVL7D2asB71NSQPtOerA However, there is an apple-app-site-association file specifying this should open in Podcasts app here: https://podcasts.apple.com/.well-known/apple-app-site-association Along with this, we found that opening this link with `openURL` with option `UIApplicationOpenURLOptionUniversalLinksOnly` fails, which according to available info means that a universal link was not available for the supplied URL, contradicting what we see in the apple-app-site-association pointed out above. This behavior is also seen for `maps` https universal links, however, I could not find the app-site-association file for it. https://maps.apple.com/?q=222%202nd%20St%20San%20Francisco%20CA Calling `openURL` without the option for `podcast.apple.com` link mentioned, opens the podcasts app, the correct destination app. Calling `openURL` without the option for `maps.apple.com` link mentioned, opens the maps app, the correct destination app. Opening in wkwebview, it attempts to open as a normal page, however, it then triggers a 301 redirect (see charles file attached), redirecting to a url, with an itunes store deeplink scheme (itmss:) and the same path (full path below). Our custom wkwebview deeplink code, then handles this with openURL into iTunes Store app. itmss://podcasts.apple.com/us/podcast/podcast-me-anything/id1454336984?fbclid=IwAR0v2-g1cm03vJmBqAk9TjewcUNCUcdle8fDM-voVL7D2asB71NSQPtOerA The inconsistencies we see when this link is opened differs between iOS App Store apps: - Chrome, WeChat, LinkedIn open the link in iTunes Store App. - Safari & SFSafariViewController, FB Messenger, Messages, Mail open link in Podcasts app. This appears to be similar to an open radar bug reported a year ago here: https://openradar.appspot.com/39347603
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