added Auto

darcs-hash:20060415054913-5007d-540ce6d9136765c21be81f7c2380bb13e7787673.gz

diff --git a/src/org/ibex/mail/Auto.java b/src/org/ibex/mail/Auto.java
new file mode 100644 (file)
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--- /dev/null
+++ b/src/org/ibex/mail/Auto.java
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+// Copyright 2000-2006 the Contributors, as shown in the revision logs.
+// Licensed under the Apache Public Source License 2.0 ("the License").
+// You may not use this file except in compliance with the License.
+
+package org.ibex.mail;
+import java.io.*;
+import java.util.*;
+import org.ibex.js.*;
+import org.ibex.mail.target.*;
+
+// FIXME FIXME: rate limiting
+
+
+// FIXME: DSN's: RFC 3464 ==> NOTIFY=NEVER
+// FIXME: MDN's: RFC 3798
+
+/** Implements RFC3834-compliant auto-generated messages+replies */
+public class Auto {
+
+    /*
+    public Message autoGenerate() {
+       // same as other, but:
+       ret.headers.put("Auto-Submitted", "auto-generated");
+    }
+    */
+
+    /**
+     *  Compose an auto-generated reply compliant with RFC3834.
+     *
+     *  @param from
+     *    <b>personal</b>: should be the recipient of the message, might guess from message, MUST be customizable<br>
+     *    <b>service</b>:  should be a human, and description should describe the service
+     *  @param includeAutoInSubject if true; the string "Auto: " is prepended to the subject
+     */
+    public Message autoReply(Fountain fountain, Message m, Address autoFrom, boolean includeAutoInSubject) {
+
+       if (m.envelopeFrom==null) return null;
+
+       String auto = m.headers.get("auto-submittted");
+       if (auto!=null && !auto.equals("no"))                             return null;
+
+       String precedence = m.headers.getLowerCaseTrimmed("precedence");
+       if ("bulk".equals(precedence)) return null;
+       if ("list".equals(precedence)) return null;
+       if ("junk".equals(precedence)) return null;
+
+       // recommended, not required.
+       if (m.envelopeFrom.user.endsWith("-request"))                     return null;
+       if (m.envelopeFrom.user.startsWith("owner-"))                     return null;
+       if (m.envelopeFrom.description.equalsIgnoreCase("mailer-daemon")) return null;
+       for(Enumeration e = m.headers.names(); e.hasMoreElements();) {
+           String key = (String)e.nextElement();
+           if (key.toLowerCase().startsWith("list-")) return null;
+       }
+
+       // SHOULD NOT issue the same response to the same sender more
+       // than once within a period of several days, even though that
+       // sender may have sent multiple messages.  A 7-day period is
+       // RECOMMENDED as a default.
+
+       // Personal and Group responses whose purpose is to notify the
+       // sender of a message of a temporary absence of the recipient
+       // (e.g., "vacation" and "out of the office" notices) SHOULD
+       // NOT be issued unless a valid address for the recipient is
+       // explicitly included in a recipient (e.g., To, Cc, Bcc,
+       // Resent-To, Resent-Cc, or Resent- Bcc) field of the subject
+       // message.
+       
+        throw new Error("FIXME");
+        /*
+       Message ret = m.reply(fountain, null, false);
+
+       ret.headers.put("Auto-Submitted", "auto-replied");
+       ret.headers.put("Precedence",     "bulk"); // or list
+       ret.headers.put("From",           autoFrom);
+       ret.headers.put("Reply-To",       autoFrom);
+       if (includeAutoInSubject)
+           ret.headers.put("Subject",    "Auto: " + m.subject);
+        */
+    }
+
+    // don't return large responses (> a few kb)
+
+}