URLComponents don't correctly encode URLQueryItem
Originator: | me | ||
Number: | rdar://50251414 | Date Originated: | April 26 2019 |
Status: | Open | Resolved: | |
Product: | iOS + SDK Foundation | Product Version: | Xcode 10.2.1 (10E1001) |
Classification: | Other bug | Reproducible: | Always |
Area: Foundation Summary: URLComponents don't percentage encode `+` and `@` in URLComponents. According to RFC 3986 (https://en.wikipedia.org/wiki/Percent-encoding) `+` and `@` are reserved characters and should be percentage escaped when used out of the reserved context to `%2B` and `%40` respectively. But `URLComponents` is ignoring it. I attached a Playground with a sample test. Steps to Reproduce: let queryItems = [URLQueryItem(name: "email", value: "me+test@apple.com")] var urlComponents = URLComponents(url: URL(string: "https://apple.com")!, resolvingAgainstBaseURL: false)! urlComponents.queryItems = queryItems let url: String! = urlComponents.url?.absoluteString let expected = "https://apple.com?email=me%2Btest%40apple.com" print(url == expected) Expected Results: Print `true` Actual Results: Print `false` Version/Build: 10.2.1 (10E1001)
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