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(DataFlex) Unzip Encrypted Text into a String Variable

Demonstrates how to open an encrypted .zip archive and unzip a text file directly into a string variable.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoZip
    Boolean iSuccess
    Variant vEntry
    Handle hoEntry
    Integer iLineEndingBehavior
    String sSrcCharset
    String sStrCsv
    String sTemp1
    Boolean bTemp1

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatZip)) To hoZip
    If (Not(IsComObjectCreated(hoZip))) Begin
        Send CreateComObject of hoZip
    End

    // Set the password required for decrypting.
    Set ComDecryptPassword Of hoZip To "myPassword"

    Get ComOpenZip Of hoZip "encrypted.zip" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Locate the file within the Zip to be unzipped into a string variable:
    Get ComFirstMatchingEntry Of hoZip "*.csv" To vEntry
    If (IsComObject(vEntry)) Begin
        Get Create (RefClass(cComChilkatZipEntry)) To hoEntry
        Set pvComObject Of hoEntry To vEntry
    End
    Get ComLastMethodSuccess Of hoZip To bTemp1
    If (bTemp1 = False) Begin
        Showln "No matching entry found."
        Procedure_Return
    End

    // lineEndingBehavior:
    // 0 = leave unchanged.
    // 1 = convert all to bare LF's
    // 2 = convert all to CRLF's
    Move 0 To iLineEndingBehavior
    Move "utf-8" To sSrcCharset

    Get ComUnzipToString Of hoEntry iLineEndingBehavior sSrcCharset To sStrCsv
    Showln sStrCsv
    Send Destroy of hoEntry


End_Procedure

 

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