def printMeta(filename):
pdfFile = PdfFileReader(open(filename, 'rb'))
docInfo = pdfFile.getDocumentInfo()
print('[*] PDF MetaData For: {}'.format(filename))
for metaItem in docInfo:
print('[+] {0} : {1}'.format(metaItem, docInfo[metaItem]))
def readPDF(inFileName, outFileName):
try:
PDFInputName = inFileName
PDFOutputName = outFileName
PDFInterimName = "output.pdf"
## Put a white ractangle on page 1
# Create a a borderless white rectangle
packet = io.BytesIO()
can = canvas.Canvas(packet, pagesize=letter)
can.setFillColorRGB(255, 255, 255)
can.rect(450, 550, 100, 40, fill=1, stroke=0)
can.save()
# set to beginning of bytestream and create a new PDF
packet.seek(0)
newPdf = PdfFileReader(packet)
interimOutput = PdfFileWriter()
with open(PDFInputName, 'rb') as fileStream:
existingPdf = PdfFileReader(fileStream)
# Get first Page and merge with rectangle
page = existingPdf.getPage(0)
page.mergePage(newPdf.getPage(0))
numPages = existingPdf.getNumPages()
for n in range(numPages):
interimOutput.addPage(existingPdf.getPage(n))
with open(PDFInterimName, "wb") as fileStream:
interimOutput.write(fileStream)
pdfWriter = PdfFileWriter()
with open(PDFInterimName, 'rb') as fileHandle:
# Read & extract Information
pdfReader = PdfFileReader(fileHandle)
pdfInfo = pdfReader.getDocumentInfo()
numPages = pdfReader.getNumPages()
PDFAllInfo = {
'author': pdfInfo.author,
'creator': pdfInfo.creator,
'producer': pdfInfo.producer,
'subject': pdfInfo.subject,
'title': pdfInfo.title,
'num_pages': numPages
}
# Get content in all pages
for pageNum in range(numPages):
# Get page
pageObject = pdfReader.getPage(pageNum)
# Get only the /Contents item in dictionary Eg : [IndirectObject(4, 0)]
pageContentsObject = pageObject['/Contents']
# Extract the elements fo the /Contents object as a contentstream (cant print this directly)
pageContent = ContentStream(
pageContentsObject,
pdfReader) # Check operands and operators
# Add page to pdf writer
pdfWriter.addPage(pageObject)
# loop through operators and operands in contents
for operands, operator in pageContent.operations:
if operator == b_("Tj") and operands == [
b'\x00C\x00O\x00P\x00Y\x00-\x00O\x00N\x00L\x00Y'
]:
operands[0] = TextStringObject('')
# Replace /Contents in pageObject
pageObject.__setitem__(NameObject('/Contents'), pageContent)
# Write to output file
with open(PDFOutputName, "wb") as outStream:
pdfWriter.write(outStream)
return (f"{PDFOutputName}")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(f"{exc_type}, {exc_obj} , {fname} : {exc_tb.tb_lineno}")
