(DataFlex) ChartURL - Create a Signed URL

Demonstrates how to create a signed URL for ChartURL.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoCrypt
    String sKey
    String sToken
    String sSlug
    String sData
    Boolean iSuccess
    Handle hoJson
    String sSig
    Handle hoSbUrl
    String sTemp1

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

    Get Create (RefClass(cComChilkatCrypt2)) To hoCrypt
    If (Not(IsComObjectCreated(hoCrypt))) Begin
        Send CreateComObject of hoCrypt
    End

    // Example key: "dek-d7a46236eda961a6c3c18ffcc6b077ba87d27e9ae85f7842c6d427c265dd5f69d5131308d93332353d4a55a4b1160fcf516515a4a9f0aa50fbf2d7a2e7d0f1c5"
    Move "charturl-sign-encrypt-key" To sKey
    // Example token: "dt-RwYN"
    Move "charturl-token" To sToken

    Move "weekly-activity" To sSlug
    Move '{ "options": {"data": {"columns": [["This Week",10,13],["Last Week",9,5]]}}}' To sData

    Set ComHashAlgorithm Of hoCrypt To "SHA256"
    Set ComMacAlgorithm Of hoCrypt To "HMAC"
    Get ComSetMacKeyString Of hoCrypt sKey To iSuccess
    Set ComEncodingMode Of hoCrypt To "base64"

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComLoad Of hoJson sData To iSuccess
    Get ComEmit Of hoJson To sTemp1
    Showln "json = " sTemp1

    Get ComEmit Of hoJson To sTemp1
    Get ComMacStringENC Of hoCrypt sTemp1 To sSig

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbUrl
    If (Not(IsComObjectCreated(hoSbUrl))) Begin
        Send CreateComObject of hoSbUrl
    End
    Get ComAppend Of hoSbUrl "https://charturl.com/i/" To iSuccess
    Get ComAppend Of hoSbUrl sToken To iSuccess
    Get ComAppend Of hoSbUrl "/" To iSuccess
    Get ComAppend Of hoSbUrl sSlug To iSuccess
    Get ComAppend Of hoSbUrl "?d=" To iSuccess
    Get ComEncodeString Of hoCrypt (ComEmit(hoJson)) "utf-8" "url" To sTemp1
    Get ComAppend Of hoSbUrl sTemp1 To iSuccess
    Get ComAppend Of hoSbUrl "&s=" To iSuccess
    Get ComEncodeString Of hoCrypt sSig "utf-8" "url" To sTemp1
    Get ComAppend Of hoSbUrl sTemp1 To iSuccess

    Get ComGetAsString Of hoSbUrl To sTemp1
    Showln "Signed URL: " sTemp1


End_Procedure