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<%@ Page language="c#" Codebehind="Security.aspx.cs" AutoEventWireup="false" 
    Inherits="Aspose.Pdf.Kit.Demos.WebForm1" 
    MasterPageFile="~/tpl/Demo.Master"
    Title="Set Pdf Security - Aspose.Pdf.Kit Demos"
    %>
<%@ Register TagPrefix="dem" Assembly="Aspose.Demos.Common, Version=1.0.0.0, Culture=neutral, PublicKeyToken=ab721518795be73e" Namespace="Aspose.Demos.Common.HtmlControls" %>
<asp:Content ID="Content1" runat="server" ContentPlaceHolderID="MainContent">
<table width="90%" align="center" cellspacing="0" cellpadding="0" border="0">
  <tr>
    <td width="19"><img src="../../../../Common/images/heading_lft.jpg" alt="" width="19" height="41" /></td>
    <td width="100%" class="demos-heading-bg"><h2 class="demos-heading-bg"> &nbsp;Set PDF Security - Aspose.Pdf.Kit</h2></td>
    <td width="19"><img src="../../../../Common/images/heading_rt.jpg" alt="" width="19" height="41" /></td>
  </tr>
<tr>&nbsp;</tr>
</table>

<p class="MsoNormal"><font size=2 face="Arial" ><span style="color:black" >This demo applies <b> Security </b> settings over input Pdf document, based over users selection.

<br><br>Using <a href=http://www.aspose.com/documentation/.net-components/aspose.pdf.kit-for-.net/aspose.pdf.kit.pdffilesecurity.encryptfile_overloads.html> EncryptFile </a> method in <a href=http://www.aspose.com/documentation/.net-components/aspose.pdf.kit-for-.net/aspose.pdf.kit.pdffilesecurity.html> PdfFileSecurity </a> class of Aspose.Pdf.Kit component, developers can make PDF documents secured, by simply encrypting the documents.You can also set privileges on a PDF document without applying encryption. Using <a href=http://www.aspose.com/documentation/.net-components/aspose.pdf.kit-for-.net/aspose.pdf.kit.pdffilesecurity.setprivilege_overloads.html> SetPrivilege </a> method in <a href=http://www.aspose.com/documentation/.net-components/aspose.pdf.kit-for-.net/aspose.pdf.kit.pdffilesecurity.html> PdfFileSecurity </a> class of Aspose.Pdf.Kit component, several privileges can be applied on a PDF document.

<br><br>
For more information, please visit <a href=http://www.aspose.com/documentation/.net-components/aspose.pdf.kit-for-.net/implementing-security.html>Implementing Security. </a><br></span>

    <p class="componentDescriptionTxt">
        Check security options and click <b>Do</b> to see how demo takes <a href="./resources/Aspose.Pdf.Kit.pdf">input PDF file</a> 
        , applies security options and sends the resulting document to user for review.
        </p>
    <table class="genericTable">
        <tr>
            <td>You can allow</td>
            <td>You can encrypt file with</td>
        </tr>
        <tr>
            <td  valign="top" align="left">
				<asp:checkboxlist id="CheckBoxList1" 
					runat="server" CssClass="genericList">
					<asp:ListItem Value="1">Copying</asp:ListItem>
					<asp:ListItem Value="2">Printing</asp:ListItem>
					<asp:ListItem Value="3">Modifying content</asp:ListItem>
					<asp:ListItem Value="4">Modifying annotation</asp:ListItem>
					<asp:ListItem Value="5">Filling forms</asp:ListItem>
					<asp:ListItem Value="6">Screening readers</asp:ListItem>
					<asp:ListItem Value="7">Assemblying</asp:ListItem>
					<asp:ListItem Value="8">DegradedPrinting</asp:ListItem>
				</asp:checkboxlist>
            </td>
            <td valign="top" align="left">
				<asp:textbox id="TextBox1" runat="server" Width="132px">ownerpassword</asp:textbox><br />
				<asp:textbox id="TextBox2" runat="server" Width="134px">userpassword</asp:textbox>
            </td>
        </tr>
    </table> 
				<asp:button id="Button1" runat="server" ToolTip="Click to insert" Text="Do"></asp:button>
</asp:Content>

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using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using Aspose.Pdf.Kit;

namespace Aspose.Pdf.Kit.Demos
{
	/// <summary>
	/// Summary of WebForm1
	/// </summary>
    public class WebForm1 : BasePage
    {
        protected System.Web.UI.WebControls.CheckBoxList CheckBoxList1;
        protected System.Web.UI.WebControls.TextBox TextBox1;
        protected System.Web.UI.WebControls.TextBox TextBox2;
        protected System.Web.UI.WebControls.Button Button1;
        protected System.Web.UI.HtmlControls.HtmlGenericControl Font1;

        private void Page_Load(object sender, System.EventArgs e)
        {
            // Put user code to initialize the page here
        }

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.Button1.Click += new System.EventHandler(this.Button1_Click);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion

        private void Button1_Click(object sender, System.EventArgs e)
        {
            //privileges are setted.	
            PdfPrivilege privilege = 0;
            ArrayList privList = new ArrayList();
            for (int i = 0; i < CheckBoxList1.Items.Count; i++)
            {
                if (CheckBoxList1.Items[i].Selected)
                {
                    switch (i)
                    {
                        case 0: // set the value to allow copying file
                            privilege = privilege | PdfPrivilege.Copy;
                            break;
                        case 1: // set the value to allow printing file
                            privilege = privilege | PdfPrivilege.Print;
                            break;
                        case 2: // set the value to allow modifying file
                            privilege = privilege | PdfPrivilege.ModifyContents;
                            break;
                        case 3: // set the value to allow modifying annotations of file
                            privilege = privilege | PdfPrivilege.ModifyAnnotations;
                            break;
                        case 4: // set the value to allow filling forms in file
                            privilege = privilege | PdfPrivilege.FillIn;
                            break;
                        case 5: // set the value to Only permits to read on screen
                            privilege = privilege | PdfPrivilege.ScreenReaders;
                            break;
                        case 6: // set the value to allow assemblying file
                            privilege = privilege | PdfPrivilege.Assembly;
                            break;
                        case 7: // set the value to allow degraded printing
                            privilege = privilege | PdfPrivilege.DegradedPrinting;
                            break;
                        default:
                            break;
                    }
                }
            }


            //ower and user password
            string ownerpass = TextBox1.Text;
            string userpass = TextBox2.Text;

            // the input file that will be encrypted and sets the document's privileges to access
            string inputfile = GetResource("Aspose.Pdf.Kit.pdf");

            // create an instance of SecurityDemo class
            SecurityDemo security = new SecurityDemo();

            // call the Secure method of SecurityDemo class to encrypt the input file
            security.Secure(inputfile, userpass, ownerpass, privilege, true, Response);
        }
    }
}

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using System;
using System.IO;
using System.Web;
using Aspose.Pdf.Kit;

namespace Aspose.Pdf.Kit.Demos
{
	/// <summary>
	/// Summary of SecurityDemo.
	/// </summary>
	public class SecurityDemo
	{
		public SecurityDemo()
		{
#if SITE_BUILD
			// NOTE that in production you would want to call 
            // new License().SetLicense("path-to-license-file")
            try
            {
	            Aspose.Demos.Common.WebOperationsBridge.InitLicense(new License());
			}catch
			{
				;
			}
#endif
	    }

        /// <summary>
        /// Secure give document based on the specified parameters.
        /// </summary>
        /// <param name="inputfile"></param>
        /// <param name="userpass"></param>
        /// <param name="ownerpass"></param>
        /// <param name="privilege"></param>
        /// <param name="b128bits"></param>
        /// <param name="Response"></param>
        public void Secure(string inputfile,
            string userpass,
            string ownerpass,
            PdfPrivilege privilege,
            bool b128bits,
            HttpResponse Response)
	    {
            //read input Pdf documents
            FileStream inStream = File.Open(inputfile,FileMode.Open,FileAccess.Read,FileShare.Read);
			
            //generate new Pdf file output stream.
            MemoryStream outStream = new MemoryStream();

            //secure the Pdf file with PdfFileSecurity object
            PdfFileSecurity pdfSecurity = new PdfFileSecurity(inStream,outStream);
            
            //call EncryptFile method of PdfFileSecurity to encrypt the file with ownerpassword and PdfPriviliges to access
            pdfSecurity.EncryptFile(userpass,ownerpass,privilege,true);
		
            // create a byte array that will hold the output pdf
            byte[] outBuf = outStream.GetBuffer();

            // specify the duration of time before a page,cached on a browser expires
            Response.Expires = 0;
            
            // Specify the property to buffer the output page
            Response.Buffer = true;
            
            // Erase any buffered HTML output
            Response.ClearContent();
            
            //Add a new HTML header and value to the response sent to the client
            Response.AddHeader("content-disposition","inline; filename=" + "output.pdf");
            
            // Specify the HTTP content type for response as Pdf
            Response.ContentType = "application/pdf";
            
            // Write specified information of current HTTP output to Byte array
            Response.BinaryWrite(outBuf);
            
            // close the output stream
            outStream.Close();	
            
            //end the processing of the current page to ensure that no other HTML content is sent
            Response.End();
	    }
      }
}