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Verifies downloaded app’s SHA-256 checksum (if specified)

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This commit is contained in:
Riley Testut
2023-05-11 17:02:20 -05:00
committed by Magesh K
parent 7ad8db7bdc
commit 7dfbba9b00
6 changed files with 93 additions and 14 deletions
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13
AltStore/Operations/VerificationError.swift
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@@ -20,6 +20,8 @@ extension VerificationError
case mismatchedBundleIdentifiers = 1
case iOSVersionNotSupported = 2
case mismatchedHash = 3
}
static func mismatchedBundleIdentifiers(sourceBundleID: String, app: ALTApplication) -> VerificationError {
@@ -29,6 +31,10 @@ extension VerificationError
static func iOSVersionNotSupported(app: AppProtocol, osVersion: OperatingSystemVersion = ProcessInfo.processInfo.operatingSystemVersion, requiredOSVersion: OperatingSystemVersion?) -> VerificationError {
VerificationError(code: .iOSVersionNotSupported, app: app, deviceOSVersion: osVersion, requiredOSVersion: requiredOSVersion)
}
static func mismatchedHash(_ hash: String, expectedHash: String, app: AppProtocol) -> VerificationError {
VerificationError(code: .mismatchedHash, app: app, hash: hash, expectedHash: expectedHash)
}
}
struct VerificationError: ALTLocalizedError
@@ -43,6 +49,9 @@ struct VerificationError: ALTLocalizedError
var deviceOSVersion: OperatingSystemVersion?
var requiredOSVersion: OperatingSystemVersion?
@UserInfoValue var hash: String?
@UserInfoValue var expectedHash: String?
var errorDescription: String? {
//TODO: Make this automatic somehow with ALTLocalizedError
guard self.errorFailure == nil else { return nil }
@@ -104,6 +113,10 @@ struct VerificationError: ALTLocalizedError
let failureReason = String(format: NSLocalizedString("%@ requires iOS %@ or later.", comment: ""), appName, requiredOSVersion.stringValue)
return failureReason
}
case .mismatchedHash:
let appName = self.$app.name ?? NSLocalizedString("the downloaded app", comment: "")
return String(format: NSLocalizedString("The SHA-256 hash of %@ does not match the hash specified by the source.", comment: ""), appName)
}
}
}