{"action":"created","comment":{"url":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/pulls/comments/62585854","id":62585854,"diff_hunk":"@@ -13,12 +13,17 @@ @implementation ServiceRemoteXMLRPC\n \n - (id)initWithApi:(WPXMLRPCClient *)api username:(NSString *)username password:(NSString *)password\n {\n+    NSParameterAssert(api != nil);\n+    if (_username == nil || _password == nil) {","path":"WordPress/Classes/Networking/ServiceRemoteXMLRPC.m","position":5,"original_position":5,"commit_id":"737fdd69c1501f9e99e66ab9c8747568fbbbae92","original_commit_id":"737fdd69c1501f9e99e66ab9c8747568fbbbae92","user":{"login":"aerych","id":1435271,"avatar_url":"https://avatars.githubusercontent.com/u/1435271?v=3","gravatar_id":"","url":"https://api.github.com/users/aerych","html_url":"https://github.com/aerych","followers_url":"https://api.github.com/users/aerych/followers","following_url":"https://api.github.com/users/aerych/following{/other_user}","gists_url":"https://api.github.com/users/aerych/gists{/gist_id}","starred_url":"https://api.github.com/users/aerych/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/aerych/subscriptions","organizations_url":"https://api.github.com/users/aerych/orgs","repos_url":"https://api.github.com/users/aerych/repos","events_url":"https://api.github.com/users/aerych/events{/privacy}","received_events_url":"https://api.github.com/users/aerych/received_events","type":"User","site_admin":false},"body":"I'm too slow and missed that it had already been patched ;)","created_at":"2016-05-09T22:43:46Z","updated_at":"2016-05-09T22:43:46Z","html_url":"https://github.com/wordpress-mobile/WordPress-iOS/pull/5312#discussion_r62585854","pull_request_url":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/pulls/5312","_links":{"self":{"href":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/pulls/comments/62585854"},"html":{"href":"https://github.com/wordpress-mobile/WordPress-iOS/pull/5312#discussion_r62585854"},"pull_request":{"href":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/pulls/5312"}}},"pull_request":{"url":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/pulls/5312","id":69049777,"html_url":"https://github.com/wordpress-mobile/WordPress-iOS/pull/5312","diff_url":"https://github.com/wordpress-mobile/WordPress-iOS/pull/5312.diff","patch_url":"https://github.com/wordpress-mobile/WordPress-iOS/pull/5312.patch","issue_url":"https://api.github.com/repos/wordpress-mobile/WordPress-iOS/issues/5312","number":5312,"state":"closed","locked":false,"title":"Better keychain fails","user":{"login":"koke","id":8739,"avatar_url":"https://avatars.githubusercontent.com/u/8739?v=3","gravatar_id":"","url":"https://api.github.com/users/koke","html_url":"https://github.com/koke","followers_url":"https://api.github.com/users/koke/followers","following_url":"https://api.github.com/users/koke/following{/other_user}","gists_url":"https://api.github.com/users/koke/gists{/gist_id}","starred_url":"https://api.github.com/users/koke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/koke/subscriptions","organizations_url":"https://api.github.com/users/koke/orgs","repos_url":"https://api.github.com/users/koke/repos","events_url":"https://api.github.com/users/koke/events{/privacy}","received_events_url":"https://api.github.com/users/koke/received_events","type":"User","site_admin":false},"body":"Now this would fix #5199 😉 \r\n\r\nMy goal with this PR is to not crash anywhere if a token or password is gone from the keychain. I think I've handled all the cases, but that doesn't mean it's a pretty UX. \r\n\r\nWhen a token/password is gone the app will not crash, but other ugly things will happen, like views \"loading\" forever, or controllers not being presented when you tap on a menu item.\r\n\r\nThe second part of this would address #687 and make sure that as soon as we know there's a bad auth state we modally prompt the user to re-authenticate.\r\n\r\nFor now we settle for not crashing, which at least gives users a chance to sign out without a reinstall.\r\n\r\nI've cherry picked the commits from #5301, since `ServiceRemoteXMLRPC` now has a failable initializer, and I don't want that to get overwritten when 6.2 is merged into develop.\r\n\r\nTo test:\r\n\r\nwp.com: Fresh install, login to WordPress.com, relaunch the app with `-WipeKeychainItem wordpress.com` (#5303), navigate around the app making sure there are no crashes.\r\n\r\nSelf hosted: Fresh install, add a self hosted, relaunch the app with `-WipeKeychainItem yoursite.com` (#5303), navigate around the app making sure there are no crashes.\r\n\r\n\r\nNeeds review: @astralbodies 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