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Fix the crash of -[NSNull _fastCStringContents:] #280

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Fix the crash of -[NSNull _fastCStringContents:] #280

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9 changes: 7 additions & 2 deletions AltServer/Devices/ALTDeviceManager+Installation.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -345,7 +345,12 @@ To prevent this from happening, feel free to try again with another Apple ID to
let certificates = try Result(certificates, error).get()

// Check if there is another AltStore certificate, which means AltStore has been installed with this Apple ID before.
if certificates.contains(where: { $0.machineName?.starts(with: "AltStore") == true })
if certificates.contains(where: { certificate in
guard let machineName = certificate.machineName as? String else {
return false
}
return machineName.starts(with: "AltStore") == true
})
{
var isCancelled = false

Expand Down Expand Up @@ -523,7 +528,7 @@ To prevent this from happening, feel free to try again with another Apple ID to
try (infoDictionary as NSDictionary).write(to: infoPlistURL)

if
let machineIdentifier = certificate.machineIdentifier,
let machineIdentifier = certificate.machineIdentifier as? String,
let encryptedData = certificate.encryptedP12Data(withPassword: machineIdentifier)
{
let certificateURL = application.fileURL.appendingPathComponent("ALTCertificate.p12")
Expand Down