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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,82 @@ | ||
| // | ||
| // Copyright © 2023 Iterable. All rights reserved. | ||
| // | ||
| import UIKit | ||
|
|
||
| /// Utility Methods for embedded | ||
| /// All classes/structs are internal. | ||
| struct EmbeddedHelper { | ||
| enum EmbeddedClickedUrl { | ||
| case localResource(name: String) // applewebdata://abc-def/something => something | ||
| case iterableCustomAction(name: String) // iterable://something => something | ||
| case customAction(name: String) // action:something => something or itbl://something => something | ||
| case regularUrl(URL) // protocol://something => protocol://something | ||
| } | ||
|
|
||
| static func parse(embeddedUrl url: URL) -> EmbeddedClickedUrl? { | ||
| guard let scheme = UrlScheme.from(url: url) else { | ||
| ITBError("Request url contains an invalid scheme: \(url)") | ||
| return nil | ||
| } | ||
|
|
||
| switch scheme { | ||
| case .applewebdata: | ||
| ITBError("Request url contains an invalid scheme: \(url)") | ||
| guard let urlPath = getUrlPath(url: url) else { | ||
| return nil | ||
| } | ||
| return .localResource(name: urlPath) | ||
| case .iterable: | ||
| return .iterableCustomAction(name: dropScheme(urlString: url.absoluteString, scheme: scheme.rawValue)) | ||
| case .action, .itbl: | ||
| return .customAction(name: dropScheme(urlString: url.absoluteString, scheme: scheme.rawValue)) | ||
| case .other: | ||
| return .regularUrl(url) | ||
| } | ||
| } | ||
|
|
||
| private enum UrlScheme: String { | ||
| case applewebdata | ||
| case iterable | ||
| case action | ||
| case itbl // this is for backward compatibility and should be handled just like action:// | ||
| case other | ||
|
|
||
| fileprivate static func from(url: URL) -> UrlScheme? { | ||
| guard let name = url.scheme else { | ||
| return nil | ||
| } | ||
|
|
||
| if let scheme = UrlScheme(rawValue: name.lowercased()) { | ||
| return scheme | ||
| } else { | ||
| return .other | ||
| } | ||
| } | ||
| } | ||
|
|
||
| // returns everything other than scheme, hostname and leading slashes | ||
| // so scheme://host/path#something => path#something | ||
| private static func getUrlPath(url: URL) -> String? { | ||
| guard let host = url.host else { | ||
| return nil | ||
| } | ||
|
|
||
| let urlArray = url.absoluteString.components(separatedBy: host) | ||
| guard urlArray.count > 1 else { | ||
| return nil | ||
| } | ||
|
|
||
| let urlPath = urlArray[1] | ||
| return dropLeadingSlashes(str: urlPath) | ||
| } | ||
|
|
||
| private static func dropLeadingSlashes(str: String) -> String { | ||
| String(str.drop { $0 == "/" }) | ||
| } | ||
|
|
||
| private static func dropScheme(urlString: String, scheme: String) -> String { | ||
| let prefix = scheme + "://" | ||
| return String(urlString.dropFirst(prefix.count)) | ||
| } | ||
| } |
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