Showing the changes to java/pkg/sun/net/smtp/SmtpClient.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,281 @@ | ||
| 1 | +/* | |
| 2 | + * Copyright (c) 1995, 2003, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.net.smtp; | |
| 27 | + | |
| 28 | +import java.util.StringTokenizer; | |
| 29 | +import java.io.*; | |
| 30 | +import java.net.*; | |
| 31 | +import sun.net.TransferProtocolClient; | |
| 32 | + | |
| 33 | +/** | |
| 34 | + * This class implements the SMTP client. | |
| 35 | + * You can send a piece of mail by creating a new SmtpClient, calling | |
| 36 | + * the "to" method to add destinations, calling "from" to name the | |
| 37 | + * sender, calling startMessage to return a stream to which you write | |
| 38 | + * the message (with RFC733 headers) and then you finally close the Smtp | |
| 39 | + * Client. | |
| 40 | + * | |
| 41 | + * @author James Gosling | |
| 42 | + */ | |
| 43 | + | |
| 44 | +public class SmtpClient extends TransferProtocolClient { | |
| 45 | + | |
| 46 | + String mailhost; | |
| 47 | + SmtpPrintStream message; | |
| 48 | + | |
| 49 | + /** | |
| 50 | + * issue the QUIT command to the SMTP server and close the connection. | |
| 51 | + */ | |
| 52 | + public void closeServer() throws IOException { | |
| 53 | + if (serverIsOpen()) { | |
| 54 | + closeMessage(); | |
| 55 | + issueCommand("QUIT\r\n", 221); | |
| 56 | + super.closeServer(); | |
| 57 | + } | |
| 58 | + } | |
| 59 | + | |
| 60 | + void issueCommand(String cmd, int expect) throws IOException { | |
| 61 | + sendServer(cmd); | |
| 62 | + int reply; | |
| 63 | + while ((reply = readServerResponse()) != expect) | |
| 64 | + if (reply != 220) { | |
| 65 | + throw new SmtpProtocolException(getResponseString()); | |
| 66 | + } | |
| 67 | + } | |
| 68 | + | |
| 69 | + private void toCanonical(String s) throws IOException { | |
| 70 | + if (s.startsWith("<")) | |
| 71 | + issueCommand("rcpt to: " + s + "\r\n", 250); | |
| 72 | + else | |
| 73 | + issueCommand("rcpt to: <" + s + ">\r\n", 250); | |
| 74 | + } | |
| 75 | + | |
| 76 | + public void to(String s) throws IOException { | |
| 77 | + int st = 0; | |
| 78 | + int limit = s.length(); | |
| 79 | + int pos = 0; | |
| 80 | + int lastnonsp = 0; | |
| 81 | + int parendepth = 0; | |
| 82 | + boolean ignore = false; | |
| 83 | + while (pos < limit) { | |
| 84 | + int c = s.charAt(pos); | |
| 85 | + if (parendepth > 0) { | |
| 86 | + if (c == '(') | |
| 87 | + parendepth++; | |
| 88 | + else if (c == ')') | |
| 89 | + parendepth--; | |
| 90 | + if (parendepth == 0) | |
| 91 | + if (lastnonsp > st) | |
| 92 | + ignore = true; | |
| 93 | + else | |
| 94 | + st = pos + 1; | |
| 95 | + } else if (c == '(') | |
| 96 | + parendepth++; | |
| 97 | + else if (c == '<') | |
| 98 | + st = lastnonsp = pos + 1; | |
| 99 | + else if (c == '>') | |
| 100 | + ignore = true; | |
| 101 | + else if (c == ',') { | |
| 102 | + if (lastnonsp > st) | |
| 103 | + toCanonical(s.substring(st, lastnonsp)); | |
| 104 | + st = pos + 1; | |
| 105 | + ignore = false; | |
| 106 | + } else { | |
| 107 | + if (c > ' ' && !ignore) | |
| 108 | + lastnonsp = pos + 1; | |
| 109 | + else if (st == pos) | |
| 110 | + st++; | |
| 111 | + } | |
| 112 | + pos++; | |
| 113 | + } | |
| 114 | + if (lastnonsp > st) | |
| 115 | + toCanonical(s.substring(st, lastnonsp)); | |
| 116 | + } | |
| 117 | + | |
| 118 | + public void from(String s) throws IOException { | |
| 119 | + if (s.startsWith("<")) | |
| 120 | + issueCommand("mail from: " + s + "\r\n", 250); | |
| 121 | + else | |
| 122 | + issueCommand("mail from: <" + s + ">\r\n", 250); | |
| 123 | + } | |
| 124 | + | |
| 125 | + /** open a SMTP connection to host <i>host</i>. */ | |
| 126 | + private void openServer(String host) throws IOException { | |
| 127 | + mailhost = host; | |
| 128 | + openServer(mailhost, 25); | |
| 129 | + issueCommand("helo "+InetAddress.getLocalHost().getHostName()+"\r\n", 250); | |
| 130 | + } | |
| 131 | + | |
| 132 | + public PrintStream startMessage() throws IOException { | |
| 133 | + issueCommand("data\r\n", 354); | |
| 134 | + try { | |
| 135 | + message = new SmtpPrintStream(serverOutput, this); | |
| 136 | + } catch (UnsupportedEncodingException e) { | |
| 137 | + throw new InternalError(encoding+" encoding not found"); | |
| 138 | + } | |
| 139 | + return message; | |
| 140 | + } | |
| 141 | + | |
| 142 | + void closeMessage() throws IOException { | |
| 143 | + if (message != null) | |
| 144 | + message.close(); | |
| 145 | + } | |
| 146 | + | |
| 147 | + /** New SMTP client connected to host <i>host</i>. */ | |
| 148 | + public SmtpClient (String host) throws IOException { | |
| 149 | + super(); | |
| 150 | + if (host != null) { | |
| 151 | + try { | |
| 152 | + openServer(host); | |
| 153 | + mailhost = host; | |
| 154 | + return; | |
| 155 | + } catch(Exception e) { | |
| 156 | + } | |
| 157 | + } | |
| 158 | + try { | |
| 159 | + String s; | |
| 160 | + mailhost = java.security.AccessController.doPrivileged( | |
| 161 | + new sun.security.action.GetPropertyAction("mail.host")); | |
| 162 | + if (mailhost != null) { | |
| 163 | + openServer(mailhost); | |
| 164 | + return; | |
| 165 | + } | |
| 166 | + } catch(Exception e) { | |
| 167 | + } | |
| 168 | + try { | |
| 169 | + mailhost = "localhost"; | |
| 170 | + openServer(mailhost); | |
| 171 | + } catch(Exception e) { | |
| 172 | + mailhost = "mailhost"; | |
| 173 | + openServer(mailhost); | |
| 174 | + } | |
| 175 | + } | |
| 176 | + | |
| 177 | + /** Create an uninitialized SMTP client. */ | |
| 178 | + public SmtpClient () throws IOException { | |
| 179 | + this(null); | |
| 180 | + } | |
| 181 | + | |
| 182 | + public SmtpClient(int to) throws IOException { | |
| 183 | + super(); | |
| 184 | + setConnectTimeout(to); | |
| 185 | + try { | |
| 186 | + String s; | |
| 187 | + mailhost = java.security.AccessController.doPrivileged( | |
| 188 | + new sun.security.action.GetPropertyAction("mail.host")); | |
| 189 | + if (mailhost != null) { | |
| 190 | + openServer(mailhost); | |
| 191 | + return; | |
| 192 | + } | |
| 193 | + } catch(Exception e) { | |
| 194 | + } | |
| 195 | + try { | |
| 196 | + mailhost = "localhost"; | |
| 197 | + openServer(mailhost); | |
| 198 | + } catch(Exception e) { | |
| 199 | + mailhost = "mailhost"; | |
| 200 | + openServer(mailhost); | |
| 201 | + } | |
| 202 | + } | |
| 203 | + | |
| 204 | + public String getMailHost() { | |
| 205 | + return mailhost; | |
| 206 | + } | |
| 207 | + | |
| 208 | + String getEncoding () { | |
| 209 | + return encoding; | |
| 210 | + } | |
| 211 | +} | |
| 212 | + | |
| 213 | +class SmtpPrintStream extends java.io.PrintStream { | |
| 214 | + private SmtpClient target; | |
| 215 | + private int lastc = '\n'; | |
| 216 | + | |
| 217 | + SmtpPrintStream (OutputStream fos, SmtpClient cl) throws UnsupportedEncodingException { | |
| 218 | + super(fos, false, cl.getEncoding()); | |
| 219 | + target = cl; | |
| 220 | + } | |
| 221 | + | |
| 222 | + public void close() { | |
| 223 | + if (target == null) | |
| 224 | + return; | |
| 225 | + if (lastc != '\n') { | |
| 226 | + write('\n'); | |
| 227 | + } | |
| 228 | + try { | |
| 229 | + target.issueCommand(".\r\n", 250); | |
| 230 | + target.message = null; | |
| 231 | + out = null; | |
| 232 | + target = null; | |
| 233 | + } catch (IOException e) { | |
| 234 | + } | |
| 235 | + } | |
| 236 | + | |
| 237 | + public void write(int b) { | |
| 238 | + try { | |
| 239 | + // quote a dot at the beginning of a line | |
| 240 | + if (lastc == '\n' && b == '.') { | |
| 241 | + out.write('.'); | |
| 242 | + } | |
| 243 | + | |
| 244 | + // translate NL to CRLF | |
| 245 | + if (b == '\n' && lastc != '\r') { | |
| 246 | + out.write('\r'); | |
| 247 | + } | |
| 248 | + out.write(b); | |
| 249 | + lastc = b; | |
| 250 | + } catch (IOException e) { | |
| 251 | + } | |
| 252 | + } | |
| 253 | + | |
| 254 | + public void write(byte b[], int off, int len) { | |
| 255 | + try { | |
| 256 | + int lc = lastc; | |
| 257 | + while (--len >= 0) { | |
| 258 | + int c = b[off++]; | |
| 259 | + | |
| 260 | + // quote a dot at the beginning of a line | |
| 261 | + if (lc == '\n' && c == '.') | |
| 262 | + out.write('.'); | |
| 263 | + | |
| 264 | + // translate NL to CRLF | |
| 265 | + if (c == '\n' && lc != '\r') { | |
| 266 | + out.write('\r'); | |
| 267 | + } | |
| 268 | + out.write(c); | |
| 269 | + lc = c; | |
| 270 | + } | |
| 271 | + lastc = lc; | |
| 272 | + } catch (IOException e) { | |
| 273 | + } | |
| 274 | + } | |
| 275 | + public void print(String s) { | |
| 276 | + int len = s.length(); | |
| 277 | + for (int i = 0; i < len; i++) { | |
| 278 | + write(s.charAt(i)); | |
| 279 | + } | |
| 280 | + } | |
| 281 | +} | |