The user null means that the doc can be opened but all the security
restrictions apply. Aren't you using this with a browser and always seeing a
cached version? You code is correct and I would like to see the pdf
resulting from it.
Best Regards,
Paulo Soares
> -----Original Message-----
> From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> Sent: Tuesday, November 04, 2003 15:58
> To: 'Paulo Soares'; Hibbard, Mark;
> '[EMAIL PROTECTED]'
> Subject: RE: [iText-questions] Security on document
>
> Ok. But even if I do use PdfEncryptor.encrypt I still don't see it working
> correctly, i.e. it only works if i set a user password.
>
> Maybe I am doing something wrong? But then why would it work when setting
> a
> user password?
>
> Below is my code - I basically join two pdf documents (using PdfCopy) into
> a
> ByteArrayOutputStream, and then open a PdfReader on this OutputStream,
> creating a new ByteArrayOutputStream with the encrypted version.
>
>
> log.debug("Getting page size from PdfReader");
> Rectangle psize = pdfReader.getPageSize(1);
>
> log.debug("Creating new document");
> Document document = new Document(psize);
>
> log.debug("Creating pdfCopy Object");
>
> ByteArrayOutputStream bytes = new ByteArrayOutputStream();
> PdfCopy pdfCopy = new PdfCopy(document, bytes);
>
> // pdfCopy set Encrytion is NOT supported by iText
> // pdfCopy.setEncryption(false,null,"CSFBSecurity",
> PdfWriter.AllowPrinting);
>
> int i = 0;
>
> // Open the document for writing
> document.open();
>
> log.debug("Creating each page");
> while (i < numPages) {
> document.newPage();
> i++;
> log.debug("Getting page no: " + i);
> PdfImportedPage page = pdfCopy.getImportedPage(pdfReader, i);
> log.debug("Got page");
> pdfCopy.addPage(page);
>
> log.debug("Processed page " + i);
> }
>
> log.debug("Finished writing out doc to pdf file - now adding
> signature
> page");
>
> PdfReader sigpdfReader = new PdfReader(buffer);
> int numSigPages = sigpdfReader.getNumberOfPages();
> log.debug("Number of Signature Pages: " + numSigPages);
> i = 0;
> while (i < numSigPages) {
> document.newPage();
> i++;
> PdfImportedPage page = pdfCopy.getImportedPage(sigpdfReader, i);
> pdfCopy.addPage(page);
>
> log.debug("processed signature page " + i);
> }
>
> log.debug("Concatenation complete - closing document");
>
> document.close();
>
> log.debug("Size of document in ByteArrayStream: " + bytes.size());
>
> /* Add security to pdf doc */
> log.debug("Encrypting document");
> PdfReader finalpdfReader = new PdfReader(bytes.toByteArray());
> ByteArrayOutputStream encryptedbytes = new ByteArrayOutputStream();
>
> log.debug("Reading whole document complete");
> PdfEncryptor.encrypt(finalpdfReader, encryptedbytes,false,null,
> "CSFBSecurity", PdfWriter.AllowPrinting);
> log.debug("Encryption complete");
>
>
>
>
>
>
> -----Original Message-----
> From: Paulo Soares [mailto:[EMAIL PROTECTED]
> Sent: 04 November 2003 14:53
> To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> Subject: RE: [iText-questions] Security on document
>
>
> It's not supported. Whatever you get is pure chance, use it on your own
> risk. In the next version it will either be supported or will throw an
> exception, depending on the time I have.
>
> Best Regards,
> Paulo Soares
>
> > -----Original Message-----
> > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > Sent: Tuesday, November 04, 2003 14:26
> > To: 'Paulo Soares'; Hibbard, Mark;
> > '[EMAIL PROTECTED]'
> > Subject: RE: [iText-questions] Security on document
> >
> > But once again - Encryption works with PdfCopy if i set a user password.
> > If I
> > don't set a user password (leave it blank OR null) then it does not
> work.
> > This
> > is surely a bug?
> >
> > -----Original Message-----
> > From: Paulo Soares [mailto:[EMAIL PROTECTED]
> > Sent: 04 November 2003 14:16
> > To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> > Subject: RE: [iText-questions] Security on document
> >
> >
> > Encryption is not meant to work with PdfCopy, probably should. It only
> > works
> > with PdfStamper and PdfWriter.
> >
> > Best Regards,
> > Paulo Soares
> >
> > > -----Original Message-----
> > > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > > Sent: Tuesday, November 04, 2003 13:51
> > > To: 'Paulo Soares'; Hibbard, Mark;
> > > '[EMAIL PROTECTED]'
> > > Subject: RE: [iText-questions] Security on document
> > >
> > > So please explain why when I set the user password - it clearly works
> > > (i.e. it
> > > is going thru the PdfEncrpytor.encrypt code & sets passwords and
> correct
> > > permissions). If i don't set a user password then it doesn't apply any
> > > encryption.
> > >
> > > I am using PdfCopy, and have tried setting
> > > pdfCopy.setEncryption(false,"","Security", PdfWriter.AllowPrinting)
> > >
> > > before
> > > document.open()
> > >
> > > And again - this DOES NOT work, but will do if I set a user password.
> > >
> > > -----Original Message-----
> > > From: Paulo Soares [mailto:[EMAIL PROTECTED]
> > > Sent: 04 November 2003 12:11
> > > To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> > > Subject: RE: [iText-questions] Security on document
> > >
> > >
> > > I don't know what you are doing over there but the document you sent
> has
> > > no
> > > encryption whatsoever and I'm very sure that it didn't pass through
> > > PdfEncryptor.encrypt(). PdfEncryptor works on existing pdfs. If you
> are
> > > creating a new pdf use PdfWriter.setEncryption() before
> Document.open().
> > >
> > > Best Regards,
> > > Paulo Soares
> > >
> > > > -----Original Message-----
> > > > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > > > Sent: Tuesday, November 04, 2003 11:36
> > > > To: 'Paulo Soares'; Hibbard, Mark;
> > > > '[EMAIL PROTECTED]'
> > > > Subject: RE: [iText-questions] Security on document
> > > >
> > > > Ahh I'm using acrobat 4 - maybe thats the issue, i'll try and test
> on
> > 5.
> > > >
> > > > Document attached was set with allow printing only and a security
> > > password
> > > > -
> > > > but with acrobat 4 i see allow select of text and no security
> password
> > > >
> > > > -----Original Message-----
> > > > From: Paulo Soares [mailto:[EMAIL PROTECTED]
> > > > Sent: 04 November 2003 11:30
> > > > To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> > > > Subject: RE: [iText-questions] Security on document
> > > >
> > > >
> > > > It works for me using the last iText version. In both cases only
> > > printing
> > > > is
> > > > allowed. I tested with Acrobat 5.05.
> > > >
> > > > Best Regards,
> > > > Paulo Soares
> > > >
> > > > > -----Original Message-----
> > > > > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > > > > Sent: Tuesday, November 04, 2003 11:15
> > > > > To: 'Paulo Soares'; Hibbard, Mark;
> > > > > '[EMAIL PROTECTED]'
> > > > > Subject: RE: [iText-questions] Security on document
> > > > >
> > > > > The Encryption settings only appear to work IF a user password is
> > set.
> > > > > If I don't set a user password, then nothing gets set (i.e. only
> > allow
> > > > > printing or set a security password)
> > > > >
> > > > > Sounds like a bug to me?
> > > > >
> > > > > This works (sets user password, security password, and only allows
> > > > > printing)
> > > > > PdfEncryptor.encrypt(finalpdfReader,
> > > encryptedbytes,false,"user",
> > > > > "CSFBSecurity", PdfWriter.AllowPrinting);
> > > > > This does NOT work (doesn't set security password and default
> > security
> > > > > permissions - i.e. allow printing and selecting text)
> > > > > PdfEncryptor.encrypt(finalpdfReader,
> > encryptedbytes,false,null,
> > > > > "CSFBSecurity", PdfWriter.AllowPrinting);
> > > > >
> > > > > -----Original Message-----
> > > > > From: Paulo Soares [mailto:[EMAIL PROTECTED]
> > > > > Sent: 03 November 2003 17:25
> > > > > To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> > > > > Subject: RE: [iText-questions] Security on document
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > > > > > Sent: Monday, November 03, 2003 17:20
> > > > > > To: 'Paulo Soares'; '[EMAIL PROTECTED]'
> > > > > > Subject: RE: [iText-questions] Security on document
> > > > > >
> > > > > > I've used the following method from the javadocs:
> > > > > >
> > > > > > public static void encrypt(PdfReader reader,
> > > > > > OutputStream os,
> > > > > > boolean strength,
> > > > > > String userPassword,
> > > > > > String ownerPassword,
> > > > > > int permissions)
> > > > > > throws DocumentException,
> > > > > > IOException
> > > > > >
> > > > > > What exactly is the ownerPassword? - what does this do? (it
> > doesn't
> > > > seem
> > > > > > to do
> > > > > > anything?)
> > > > > >
> > > > > It allows the changing of the security settings in Acrobat.
> > > > >
> > > > > > And if I set permissions to be 10000000 i.e. only allow printing
> -
> > > it
> > > > > > still
> > > > > > allows Selecting Text and Graphics???
> > > > > >
> > > > > You must use the PdfWriter.AllowPrinting constant.
> > > > >
> > > > > Best Regards,
> > > > > Paulo Soares
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: Paulo Soares [mailto:[EMAIL PROTECTED]
> > > > > > Sent: 03 November 2003 17:06
> > > > > > To: 'Hibbard, Mark'; '[EMAIL PROTECTED]'
> > > > > > Subject: RE: [iText-questions] Security on document
> > > > > >
> > > > > >
> > > > > > Anything wrong with the javadocs?
> > > > > >
> > > > > > Best Regards,
> > > > > > Paulo Soares
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Hibbard, Mark [SMTP:[EMAIL PROTECTED]
> > > > > > > Sent: Monday, November 03, 2003 11:34
> > > > > > > To: '[EMAIL PROTECTED]'
> > > > > > > Subject: [iText-questions] Security on document
> > > > > > >
> > > > > > > I need to be able to set up documents in PDF with the
> following
> > > > > security
> > > > > > > permissions:
> > > > > > >
> > > > > > > * A password required to change security options
> > > > > > > * Do not allow -
> > > > > > > Changing the document
> > > > > > > Selecting text and graphics
> > > > > > > Adding or changing annotations and form fields
> > > > > > >
> > > > > > >
> > > > > > > I've tried using iText in the following way:
> > > > > > > PdfEncryptor.encrypt(finalpdfReader,
> encryptedBbytes,false,null,
> > > > > > "owner",
> > > > > > > 1000000);
> > > > > > >
> > > > > > > but this doesn't achieve what i require. It doesn't set a
> > security
> > > > > > > password,
> > > > > > > and doesn't prevent selecting text and graphics.
> > > > > > >
> > > > > > > Can anyone help or advise how I can do this?
> > > > > > >
> > > > > > > Cheers
> > > > > > >
> > > > > > > Mark
> > > > > > >
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> ==========================================================================
> > > > > > > ====
> > > > > > > This message is for the named person's use only. It may
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> > > > > > > and
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> > not
> > > > the
> > > > > > > intended recipient, please immediately delete it and all
> copies
> > of
> > > > it
> > > > > > from
> > > > > > > your system, destroy any hard copies of it and notify the
> > sender.
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> > or
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> not
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> > > > > from
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> > > > > must
> > > > > > not, directly or indirectly, use, disclose, distribute, print,
> or
> > > copy
> > > > > any
> > > > > > part of this message if you are not the intended recipient.
> CREDIT
> > > > > SUISSE
> > > > > > GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or
> > > > CREDIT
> > > > > > SUISSE
> > > > > > ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON
> > > reserve
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> > > > > > right to monitor all e-mail communications through its networks.
> > Any
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> > > > > > expressed in this message are those of the individual sender,
> > except
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> > > > > > views of any such entity.
> > > > > > Unless otherwise stated, any pricing information given in this
> > > message
> > > > > is
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> > > > > to
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> > > > > > should be treated as preliminary only and subject to our formal
> > > > written
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> > > > > This message is for the named person's use only. It may contain
> > > > sensitive
> > > > > and
> > > > > private proprietary or legally privileged information. No
> > > > confidentiality
> > > > > or
> > > > > privilege is waived or lost by any mistransmission. If you are not
> > the
> > > > > intended recipient, please immediately delete it and all copies of
> > it
> > > > from
> > > > > your system, destroy any hard copies of it and notify the sender.
> > You
> > > > must
> > > > > not, directly or indirectly, use, disclose, distribute, print, or
> > copy
> > > > any
> > > > > part of this message if you are not the intended recipient. CREDIT
> > > > SUISSE
> > > > > GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or
> > > CREDIT
> > > > > SUISSE
> > > > > ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON
> > reserve
> > > > the
> > > > > right to monitor all e-mail communications through its networks.
> Any
> > > > views
> > > > > expressed in this message are those of the individual sender,
> except
> > > > where
> > > > > the
> > > > > message states otherwise and the sender is authorized to state
> them
> > to
> > > > be
> > > > > the
> > > > > views of any such entity.
> > > > > Unless otherwise stated, any pricing information given in this
> > message
> > > > is
> > > > > indicative only, is subject to change and does not constitute an
> > > offer
> > > > to
> > > > > deal at any price quoted. Any reference to the terms of executed
> > > > > transactions
> > > > > should be treated as preliminary only and subject to our formal
> > > written
> > > > > confirmation.
> > > > >
> > > >
> > >
> >
> ==========================================================================
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> > > >
> > > >
> > > >
> > >
> >
> ==========================================================================
> > > > ====
> > > > This message is for the named person's use only. It may contain
> > > sensitive
> > > > and
> > > > private proprietary or legally privileged information. No
> > > confidentiality
> > > > or
> > > > privilege is waived or lost by any mistransmission. If you are not
> the
> > > > intended recipient, please immediately delete it and all copies of
> it
> > > from
> > > > your system, destroy any hard copies of it and notify the sender.
> You
> > > must
> > > > not, directly or indirectly, use, disclose, distribute, print, or
> copy
> > > any
> > > > part of this message if you are not the intended recipient. CREDIT
> > > SUISSE
> > > > GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or
> > CREDIT
> > > > SUISSE
> > > > ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON
> reserve
> > > the
> > > > right to monitor all e-mail communications through its networks. Any
> > > views
> > > > expressed in this message are those of the individual sender, except
> > > where
> > > > the
> > > > message states otherwise and the sender is authorized to state them
> to
> > > be
> > > > the
> > > > views of any such entity.
> > > > Unless otherwise stated, any pricing information given in this
> message
> > > is
> > > > indicative only, is subject to change and does not constitute an
> > offer
> > > to
> > > > deal at any price quoted. Any reference to the terms of executed
> > > > transactions
> > > > should be treated as preliminary only and subject to our formal
> > written
> > > > confirmation.
> > > >
> > >
> >
> ==========================================================================
> > > > ==== << File: test.pdf >>
> > >
> > >
> >
> ==========================================================================
> > > ====
> > > This message is for the named person's use only. It may contain
> > sensitive
> > > and
> > > private proprietary or legally privileged information. No
> > confidentiality
> > > or
> > > privilege is waived or lost by any mistransmission. If you are not the
> > > intended recipient, please immediately delete it and all copies of it
> > from
> > > your system, destroy any hard copies of it and notify the sender. You
> > must
> > > not, directly or indirectly, use, disclose, distribute, print, or copy
> > any
> > > part of this message if you are not the intended recipient. CREDIT
> > SUISSE
> > > GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or
> CREDIT
> > > SUISSE
> > > ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON reserve
> > the
> > > right to monitor all e-mail communications through its networks. Any
> > views
> > > expressed in this message are those of the individual sender, except
> > where
> > > the
> > > message states otherwise and the sender is authorized to state them to
> > be
> > > the
> > > views of any such entity.
> > > Unless otherwise stated, any pricing information given in this message
> > is
> > > indicative only, is subject to change and does not constitute an
> offer
> > to
> > > deal at any price quoted. Any reference to the terms of executed
> > > transactions
> > > should be treated as preliminary only and subject to our formal
> written
> > > confirmation.
> > >
> >
> ==========================================================================
> > > ====
> >
> >
> ==========================================================================
> > ====
> > This message is for the named person's use only. It may contain
> sensitive
> > and
> > private proprietary or legally privileged information. No
> confidentiality
> > or
> > privilege is waived or lost by any mistransmission. If you are not the
> > intended recipient, please immediately delete it and all copies of it
> from
> > your system, destroy any hard copies of it and notify the sender. You
> must
> > not, directly or indirectly, use, disclose, distribute, print, or copy
> any
> > part of this message if you are not the intended recipient. CREDIT
> SUISSE
> > GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or CREDIT
> > SUISSE
> > ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON reserve
> the
> > right to monitor all e-mail communications through its networks. Any
> views
> > expressed in this message are those of the individual sender, except
> where
> > the
> > message states otherwise and the sender is authorized to state them to
> be
> > the
> > views of any such entity.
> > Unless otherwise stated, any pricing information given in this message
> is
> > indicative only, is subject to change and does not constitute an offer
> to
> > deal at any price quoted. Any reference to the terms of executed
> > transactions
> > should be treated as preliminary only and subject to our formal written
> > confirmation.
> >
> ==========================================================================
> > ====
>
> ==========================================================================
> ====
> This message is for the named person's use only. It may contain sensitive
> and
> private proprietary or legally privileged information. No confidentiality
> or
> privilege is waived or lost by any mistransmission. If you are not the
> intended recipient, please immediately delete it and all copies of it from
> your system, destroy any hard copies of it and notify the sender. You must
> not, directly or indirectly, use, disclose, distribute, print, or copy any
> part of this message if you are not the intended recipient. CREDIT SUISSE
> GROUP and each legal entity in the CREDIT SUISSE FIRST BOSTON or CREDIT
> SUISSE
> ASSET MANAGEMENT business units of CREDIT SUISSE FIRST BOSTON reserve the
> right to monitor all e-mail communications through its networks. Any views
> expressed in this message are those of the individual sender, except where
> the
> message states otherwise and the sender is authorized to state them to be
> the
> views of any such entity.
> Unless otherwise stated, any pricing information given in this message is
> indicative only, is subject to change and does not constitute an offer to
> deal at any price quoted. Any reference to the terms of executed
> transactions
> should be treated as preliminary only and subject to our formal written
> confirmation.
> ==========================================================================
> ====
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