author | chegar |
Fri, 07 May 2010 10:11:37 +0100 | |
changeset 5464 | 8c4deb1b4a45 |
parent 4157 | 558590fb3b49 |
child 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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* Copyright 1997-2003 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package sun.net.www.protocol.http; |
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import java.net.URL; |
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import java.net.URI; |
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import java.net.URISyntaxException; |
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import java.net.PasswordAuthentication; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import sun.net.www.HeaderParser; |
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import sun.misc.BASE64Encoder; |
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/** |
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* BasicAuthentication: Encapsulate an http server authentication using |
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* the "basic" scheme. |
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* |
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* @author Bill Foote |
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*/ |
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class BasicAuthentication extends AuthenticationInfo { |
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private static final long serialVersionUID = 100L; |
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/** The authentication string for this host, port, and realm. This is |
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a simple BASE64 encoding of "login:password". */ |
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String auth; |
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/** |
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* Create a BasicAuthentication |
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*/ |
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public BasicAuthentication(boolean isProxy, String host, int port, |
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String realm, PasswordAuthentication pw) { |
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super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, |
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AuthScheme.BASIC, host, port, realm); |
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String plain = pw.getUserName() + ":"; |
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byte[] nameBytes = null; |
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try { |
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nameBytes = plain.getBytes("ISO-8859-1"); |
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} catch (java.io.UnsupportedEncodingException uee) { |
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assert false; |
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} |
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// get password bytes |
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char[] passwd = pw.getPassword(); |
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byte[] passwdBytes = new byte[passwd.length]; |
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for (int i=0; i<passwd.length; i++) |
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passwdBytes[i] = (byte)passwd[i]; |
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// concatenate user name and password bytes and encode them |
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byte[] concat = new byte[nameBytes.length + passwdBytes.length]; |
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System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); |
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System.arraycopy(passwdBytes, 0, concat, nameBytes.length, |
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passwdBytes.length); |
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this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); |
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this.pw = pw; |
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} |
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/** |
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* Create a BasicAuthentication |
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*/ |
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public BasicAuthentication(boolean isProxy, String host, int port, |
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String realm, String auth) { |
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super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, |
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AuthScheme.BASIC, host, port, realm); |
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this.auth = "Basic " + auth; |
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} |
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/** |
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* Create a BasicAuthentication |
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*/ |
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public BasicAuthentication(boolean isProxy, URL url, String realm, |
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PasswordAuthentication pw) { |
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super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, |
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AuthScheme.BASIC, url, realm); |
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String plain = pw.getUserName() + ":"; |
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byte[] nameBytes = null; |
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try { |
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nameBytes = plain.getBytes("ISO-8859-1"); |
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} catch (java.io.UnsupportedEncodingException uee) { |
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assert false; |
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} |
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// get password bytes |
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char[] passwd = pw.getPassword(); |
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byte[] passwdBytes = new byte[passwd.length]; |
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for (int i=0; i<passwd.length; i++) |
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passwdBytes[i] = (byte)passwd[i]; |
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// concatenate user name and password bytes and encode them |
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byte[] concat = new byte[nameBytes.length + passwdBytes.length]; |
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System.arraycopy(nameBytes, 0, concat, 0, nameBytes.length); |
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System.arraycopy(passwdBytes, 0, concat, nameBytes.length, |
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passwdBytes.length); |
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this.auth = "Basic " + (new BasicBASE64Encoder()).encode(concat); |
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this.pw = pw; |
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} |
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/** |
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* Create a BasicAuthentication |
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*/ |
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public BasicAuthentication(boolean isProxy, URL url, String realm, |
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String auth) { |
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super(isProxy ? PROXY_AUTHENTICATION : SERVER_AUTHENTICATION, |
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AuthScheme.BASIC, url, realm); |
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this.auth = "Basic " + auth; |
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} |
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/** |
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* @return true if this authentication supports preemptive authorization |
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*/ |
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@Override |
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public boolean supportsPreemptiveAuthorization() { |
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return true; |
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} |
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/** |
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* Set header(s) on the given connection. This will only be called for |
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* definitive (i.e. non-preemptive) authorization. |
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* @param conn The connection to apply the header(s) to |
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* @param p A source of header values for this connection, if needed. |
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* @param raw The raw header values for this connection, if needed. |
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* @return true if all goes well, false if no headers were set. |
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*/ |
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@Override |
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public boolean setHeaders(HttpURLConnection conn, HeaderParser p, String raw) { |
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conn.setAuthenticationProperty(getHeaderName(), getHeaderValue(null,null)); |
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return true; |
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} |
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/** |
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* @return the value of the HTTP header this authentication wants set |
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*/ |
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@Override |
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public String getHeaderValue(URL url, String method) { |
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/* For Basic the authorization string does not depend on the request URL |
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* or the request method |
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*/ |
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return auth; |
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} |
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/** |
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* For Basic Authentication, the security parameters can never be stale. |
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* In other words there is no possibility to reuse the credentials. |
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* They are always either valid or invalid. |
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*/ |
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@Override |
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public boolean isAuthorizationStale (String header) { |
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return false; |
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} |
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/** |
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* @return the common root path between npath and path. |
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* This is used to detect when we have an authentication for two |
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* paths and the root of th authentication space is the common root. |
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*/ |
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static String getRootPath(String npath, String opath) { |
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int index = 0; |
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int toindex; |
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/* Must normalize so we don't get confused by ../ and ./ segments */ |
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try { |
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npath = new URI (npath).normalize().getPath(); |
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opath = new URI (opath).normalize().getPath(); |
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} catch (URISyntaxException e) { |
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/* ignore error and use the old value */ |
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} |
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while (index < opath.length()) { |
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toindex = opath.indexOf('/', index+1); |
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if (toindex != -1 && opath.regionMatches(0, npath, 0, toindex+1)) |
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index = toindex; |
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else |
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return opath.substring(0, index+1); |
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} |
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/*should not reach here. If we do simply return npath*/ |
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return npath; |
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} |
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/* It is never expected that the header value will exceed the bytesPerLine */ |
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private class BasicBASE64Encoder extends BASE64Encoder { |
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@Override |
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protected int bytesPerLine() { |
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return (10000); |
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} |
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} |
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} |