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[AltStoreCore] Generalizes Source.sourceID(from:) logic into URL.normalized()

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Allows comparing URLs that may have slight (but irrelevant) differences (e.g. trailing slashes).
This commit is contained in:
Riley Testut
2023-11-15 13:20:50 -06:00
committed by Magesh K
parent f692da047a
commit 869b2dc92a
3 changed files with 66 additions and 44 deletions
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46
AltStoreCore/Model/Source.swift
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@@ -392,50 +392,8 @@ internal extension Source
{
class func sourceID(from sourceURL: URL) throws -> String
{
// Based on https://encyclopedia.pub/entry/29841
guard var components = URLComponents(url: sourceURL, resolvingAgainstBaseURL: true) else { throw URLError(.badURL, userInfo: [NSURLErrorKey: sourceURL]) }
if components.scheme == nil && components.host == nil
{
// Special handling for URLs without explicit scheme & incorrectly assumed to have nil host (e.g. "altstore.io/my/path")
guard let updatedComponents = URLComponents(string: "https://" + sourceURL.absoluteString) else { throw URLError(.cannotFindHost, userInfo: [NSURLErrorKey: sourceURL]) }
components = updatedComponents
}
// 1. Don't use percent encoding
guard let host = components.host else { throw URLError(.cannotFindHost, userInfo: [NSURLErrorKey: sourceURL]) }
// 2. Ignore scheme
var standardizedID = host
// 3. Add port (if not default)
if let port = components.port, port != 80 && port != 443
{
standardizedID += ":" + String(port)
}
// 4. Add path without fragment or query parameters
// 5. Remove duplicate slashes
let path = components.path.replacingOccurrences(of: "//", with: "/") // Only remove duplicate slashes from path, not entire URL.
standardizedID += path // path has leading `/`
// 6. Convert to lowercase
standardizedID = standardizedID.lowercased()
// 7. Remove trailing `/`
if standardizedID.hasSuffix("/")
{
standardizedID.removeLast()
}
// 8. Remove leading "www"
if standardizedID.hasPrefix("www.")
{
standardizedID.removeFirst(4)
}
return standardizedID
let sourceID = try sourceURL.normalized()
return sourceID
}
func setFeaturedApps(_ featuredApps: [StoreApp]?)