Servlets and LDAP in Java

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440 Servlets and LDAP
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Detail view Retrieval of a certi cate Retrieval of a photograph From detail view, do one of the following: Change password Edit user information All these actions are controlled through string constants declared at the top of the module All elds that are sent back to the client are also named using these constants The main search window is shown in Figure 13-3 Besides the connection pool, the Phonebook object uses the CParseRFC1867 and CBlobInputStream classes to parse a multipart MIME document and to read raw data from a binary part The parsing of multipart data is greatly simpli ed by the CParseRFC1867 java class courtesy of Peter English at english@quiknetcom Figure 13-4 illustrates the relationships of the classes of the application
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FIGURE 13-3 Main entry point to our phone book
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Our Phone Book Servlet 441
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Phonebook getServletInfo() : String init(sc : ServletConfig) : void destroy() : void doPost(req : HttpServletRequest, res : HttpServletResponse) : void doGet(req : HttpServletRequest, res : HttpServletResponse) : void searchLDAP(req : HttpServletRequest, out : PrintWriter, isInternal : boolean) : void binaryLDAP(req : HttpServletRequest, res : HttpServletResponse, attr : String, name : String, mime : String) : void errorMessage(out : PrintWriter, errmsg : String) : void checkInside(req : HttpServletRequest) : boolean getLDAPConn() : LDAPConnection closeConnection(ld : LDAPConnection) : void getValue(entry : LDAPEntry, attrN : String) : String getValue(entry : LDAPEntry, attrN : String, defVal : String) : String getBinaryValue(entry : LDAPEntry, attrN : String) : byte[] getScope(scope : String) : int prettyDN(theDN : String) : String readFormData(req : HttpServletRequest, fdname : String) : String buildAttr(attrN : String, attrV : String) : LDAPAttribute modifyPwd(req : HttpServletRequest, out : PrintWriter) : void modifyEntry(req : HttpServletRequest, out : PrintWriter) : void sendSrchPage(out : PrintWriter, isInternal : boolean, uri : String) : void sendPwdPage(req : HttpServletRequest, out : PrintWriter, isInternal : boolean) : void generateRow(out : PrintWriter, color : String, attrs : String[], entry : LDAPEntry, uri : String, url : String, isInternal : boolean) : void detailEdit(req : HttpServletRequest, out : PrintWriter, detail : boolean) : void
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CBlobInputStream 11 LDAPConnectionPool 11
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CParseRFC1867
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LDAPConnectionPool(min : int, max : int, host : String, port : int, authdn : String, authpw : String) LDAPConnectionPool(min : int, max : int, host : String, port : int) LDAPConnectionPool(host : String, port : int) destroy() : void getConnection() : LDAPConnection getConnFromPool() : LDAPConnection close(ld : LDAPConnection) : void printPool() : void disconnect(ldapconnObject : LDAPConnectionObject) : void createPool() : void addConnection() : int setUpPool(size : int) : void find(con : LDAPConnection) : int setDebug(mode : boolean) : void getDebug() : boolean debug(s : String) : void debug(s : String, severe : boolean) : void
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FIGURE 13-4 Phonebook classes
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442 Servlets and LDAP
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The Phonebook servlet code is presented here:
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import import import import import import import javaio*; javautil*; javaxservlet*; javaxservlethttp*; netscapeldap*; netscapeldaputil*; netscapeldapcontrols*;
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/** * Phonebook servlet * * * @version 10 * @author tdahbura **/ public class Phonebook extends HttpServlet {
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The following settings may need customization for your site These, as well as many other settings, can be set using the phone book properties le described later in this chapter, in the section on how to set up the servlet They are standard LDAP values that have been described elsewhere in the book
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// The following values are defaults They // can all be set using the properties file // protected static String host = "localhost"; protected static int port = 389; protected static String srchRoot = "o=airiuscom"; static String orgName = "Airius Communications"; static String ownMail = "webmaster@airiuscom"; static int maxPhotoSize = 50000;
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The following declaration is the Web server URL for the static graphic images used to display the pages In this con guration we are storing the images in the directory phonebook/images under our main Web server document root This setting should be made in the properties le and is dependent on your Web server s con guration
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String imagesURL = "/phonebook/images/"; //The following values may all be customized for look and feel // Colors for listings lines
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