Ruby

Unzip an AES Encrypted Text File directly into a String Variable

See more Zip Examples

A common need is to unzip from an AES encrypted Zip archive directly into a string variable, such that the unencrypted file never resides on disk, even temporarily. This example shows how to do it. Ruby

require 'chilkat'

success = false

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

zip = Chilkat::CkZip.new()

# This example opens a WinZip-compatible AES encrypted
# .zip that contains a single file: hamlet.xml.

# It decrypts and unzips hamlet.xml directly into a string
# variable.
zip.SetPassword("secret")
success = zip.OpenZip("qa_data/hamlet.zip")
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

entry = Chilkat::CkZipEntry.new()
success = zip.EntryOf("hamlet.xml",entry)
if (success == false)
    print zip.lastErrorText() + "\n";
    exit
end

# lineEndingBehavior:
# 0 = leave unchanged.
# 1 = convert all to bare LF's
# 2 = convert all to CRLF's
lineEndingBehavior = 0
srcCharset = "utf-8"
xmlText = entry.unzipToString(lineEndingBehavior,srcCharset)
print xmlText + "\n";