Unlock a PDF document
if let pdf = unlock(data: pdfData, password: "Hello World") { | |
print("You now have an unlocked CGPDFDocument") | |
} | |
func unlock(data: Data, password: String) -> CGPDFDocument? { | |
if let pdf = CGPDFDocument(CGDataProvider(data: data as CFData)!) { | |
guard pdf.isEncrypted == true else { return pdf } | |
guard pdf.unlockWithPassword("") == false else { return pdf } | |
if let cPasswordString = password.cString(using: String.Encoding.utf8) { | |
if pdf.unlockWithPassword(cPasswordString) { | |
return pdf | |
} | |
} | |
} | |
return nil | |
} |
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