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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.util;
import java.io.IOException;
import java.net.URL;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import netscape.ldap.LDAPDN;
public class HttpInput {
public static int getPortNumberInInt(HttpServletRequest request, String name)
throws IOException {
String val = request.getParameter(name);
int p = Integer.parseInt(val);
return p;
}
public static String getBoolean(HttpServletRequest request, String name)
throws IOException {
String val = request.getParameter(name);
if (val.equals("true") || val.equals("false")) {
return val;
}
throw new IOException("Invalid boolean value '" + val + "'");
}
public static String getCheckbox(HttpServletRequest request, String name)
throws IOException {
String val = request.getParameter(name);
if (val == null || val.equals("")) {
return "off";
} else if (val.equals("on") || val.equals("off")) {
return val;
}
throw new IOException("Invalid checkbox value '" + val + "'");
}
public static String getInteger(HttpServletRequest request, String name)
throws IOException {
String val = request.getParameter(name);
int p = 0;
try {
p = Integer.parseInt(val);
} catch (NumberFormatException e) {
throw new IOException("Input '" + val + "' is not an integer");
}
if (!val.equals(Integer.toString(p))) {
throw new IOException("Input '" + val + "' is not an integer");
}
return val;
}
public static String getInteger(HttpServletRequest request, String name,
int min, int max) throws IOException {
String val = getInteger(request, name);
int p = Integer.parseInt(val);
if (p < min || p > max) {
throw new IOException("Input '" + val + "' is out of range");
}
return val;
}
public static String getPortNumber(HttpServletRequest request, String name)
throws IOException {
String v = getInteger(request, name);
return v;
}
public static String getString(HttpServletRequest request, String name)
throws IOException {
String val = request.getParameter(name);
return val;
}
public static String getString(HttpServletRequest request, String name,
int minlen, int maxlen) throws IOException {
String val = request.getParameter(name);
if (val.length() < minlen || val.length() > maxlen) {
throw new IOException("String length of '" + val +
"' is out of range");
}
return val;
}
public static String getLdapDatabase(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getURL(HttpServletRequest request, String name)
throws IOException {
String v = getString(request, name);
try {
URL u = new URL(v);
} catch (Exception e) {
throw new IOException("Invalid URL " + v);
}
return v;
}
public static String getUID(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getPassword(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getKeyType(HttpServletRequest request, String name)
throws IOException {
String v = getString(request, name);
if (v.equals("rsa")) {
return v;
}
if (v.equals("ecc")) {
return v;
}
throw new IOException("Invalid key type '" + v + "' not supported.");
}
public static String getKeySize(HttpServletRequest request, String name)
throws IOException {
String i = getInteger(request, name);
if (i.equals("256") || i.equals("512") || i.equals("1024") ||
i.equals("2048") || i.equals("4096")) {
return i;
}
throw new IOException("Invalid key length '"
+ i + "'. Currently supported key lengths are 256, 512, 1024, 2048, 4096.");
}
public static String getKeySize(HttpServletRequest request, String name, String keyType)
throws IOException {
String i = getInteger(request, name);
if (keyType.equals("rsa")) {
if (i.equals("256") || i.equals("512") || i.equals("1024") ||
i.equals("2048") || i.equals("4096")) {
return i;
} else {
throw new IOException("Invalid key length '"
+ i + "'. Currently supported RSA key lengths are 256, 512, 1024, 2048, 4096.");
}
}
if (keyType.equals("ecc")) {
int p = 0;
try {
p = Integer.parseInt(i);
} catch (NumberFormatException e) {
throw new IOException("Input '" + i + "' is not an integer");
}
if ((p >= 112) && (p <= 571))
return i;
else {
throw new IOException(
"Invalid key length '"
+ i
+ "'. Please consult your security officer for a proper length, or take the default value. Here are examples of some commonly used key lengths: 256, 384, 521.");
}
/*
if (i.equals("256") || i.equals("384") || i.equals("521")) {
return i;
} else {
throw new IOException("Invalid key length '" + i + "'. Currently supported ECC key lengths are 256, 384, 521.");
}
*/
}
throw new IOException("Invalid key type '" + keyType + "'");
}
public static String getDN(HttpServletRequest request, String name)
throws IOException {
String v = getString(request, name);
String dn[] = LDAPDN.explodeDN(v, true);
if (dn == null || dn.length <= 0) {
throw new IOException("Invalid DN " + v + " in " + name);
}
return v;
}
public static String getID(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getName(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getCertRequest(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getCertChain(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getCert(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getNickname(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getHostname(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getTokenName(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getReplicationAgreementName(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getEmail(HttpServletRequest request, String name)
throws IOException {
String v = getString(request, name);
if (v.indexOf('@') == -1) {
throw new IOException("Invalid email " + v);
}
return v;
}
public static String getDomainName(HttpServletRequest request, String name)
throws IOException {
return getString(request, name);
}
public static String getSecurityDomainName(HttpServletRequest request, String name)
throws IOException {
String v = getName(request, name);
Pattern p = Pattern.compile("[A-Za-z0-9]+[A-Za-z0-9 -]*");
Matcher m = p.matcher(v);
if (!m.matches()) {
throw new IOException("Invalid characters found in Security Domain Name "
+ v + ". Valid characters are A-Z, a-z, 0-9, dash and space");
}
return v;
}
}
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