Pete Matsyburka
43 lines
893 B
Ruby
43 lines
893 B
Ruby
# frozen_string_literal: true
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module PdfUtils
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DEFAULT_DPI = 72
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US_LETTER_W = DEFAULT_DPI * 8.5
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module_function
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def encrypted?(data, password: nil)
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HexaPDF::Document.new(io: StringIO.new(data), decryption_opts: { password: })
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false
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rescue HexaPDF::EncryptionError
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true
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end
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def decrypt(data, password)
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decrypted_io = StringIO.new
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Pdfium::Document.open_bytes(data, password) do |doc|
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doc.save(decrypted_io, flags: Pdfium::FPDF_REMOVE_SECURITY)
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end
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decrypted_io.tap(&:rewind).read
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end
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def merge(io_files)
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merged_content = StringIO.new
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Pdfium.with_instance do
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Pdfium::Document.create do |merged_pdf|
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io_files.each do |io|
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Pdfium::Document.open_io(io) { |pdf| merged_pdf.import_pages(pdf) }
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end
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merged_pdf.save(merged_content)
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end
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end
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merged_content.tap(&:rewind)
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end
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end
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