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1
36 package POPStats;
37
38 import java.io.IOException  ;
39
40 import org.columba.ristretto.auth.AuthenticationException;
41 import org.columba.ristretto.auth.AuthenticationFactory;
42 import org.columba.ristretto.auth.NoSuchAuthenticationException;
43 import org.columba.ristretto.log.RistrettoLogger;
44 import org.columba.ristretto.pop3.POP3Exception;
45 import org.columba.ristretto.pop3.POP3Protocol;
46 import org.columba.ristretto.pop3.ScanListEntry;
47
48 public class POPStats {
49
50 private static final String helpMessage =
51 "Usage : POPStats pop3-server username password\n\n"
52 + "Example: POPStats pop3.mail.com myname mypassword\n\n";
53
54
57 public static void main(String [] args) {
58 if( args.length > 3) {
59 System.out.println(helpMessage);
60 return;
61 }
62
63 String server = args[0];
64 String username = args[1];
65 String password = args[2];
66
67 boolean sslSupported = false;
68
69 POP3Protocol protocol = new POP3Protocol(server, POP3Protocol.DEFAULT_PORT);
70
72 try {
73 System.out.println("Connecting to " + server + " ...");
74 protocol.openPort();
75
76 if( protocol.isApopSupported() ) {
77 System.out.println("APOP authentication supported");
78 }
79 String saslCapabilities = null ;
80
81 try {
82 String [] capabilities = protocol.capa();
83 for( int i=0; i<capabilities.length && saslCapabilities == null; i++) {
84 if( capabilities[i].toLowerCase().startsWith("sasl") ) {
85 saslCapabilities = capabilities[i];
86 System.out.println("SASL authentication method(s) supported: " + saslCapabilities);
87 }
88
89 if( capabilities[i].toLowerCase().startsWith("stls") ) {
90 System.out.println("SSL supported");
91 sslSupported = true;
92 }
93
94 } } catch (POP3Exception e1) {
95 System.out.println("CAPA command not supported");
96 }
97
98 if( sslSupported ) {
99 System.out.println("Establishing secure SSL connection...");
100 protocol.startTLS();
101 }
102
103 boolean authenticated = false;
104
105 try {
106 if( protocol.isApopSupported() ) {
107 System.out.println("Authenticating with APOP...");
108 protocol.apop(username, password.toCharArray());
109 } else if ( saslCapabilities != null ) {
110 try {
111 String authMethod = AuthenticationFactory.getInstance().getSecurestMethod(saslCapabilities);
112 System.out.println("Authenticating with SASL "+ authMethod +"...");
113 protocol.auth(authMethod, username, password.toCharArray());
114
115 } catch (NoSuchAuthenticationException e) {
116 System.err.println( "No Authentication Method available: "+ e.getLocalizedMessage());
117 protocol.quit();
118 return;
119 }
120 }
121 } catch (AuthenticationException e) {
122 System.err.println( "Authentication error: "+ e.getLocalizedMessage());
123 System.err.println( "Fallback to USER/PASS method");
124 } catch (POP3Exception e1) {
125 System.err.println( "Authentication error: "+ e1.getMessage());
126 System.err.println( "Fallback to USER/PASS method");
127 }
128
129 if( protocol.getState() != POP3Protocol.TRANSACTION) {
130 protocol.userPass(username, password.toCharArray());
131 }
132
133 System.out.println("Getting mailbox statisics...");
134 ScanListEntry[] list = protocol.list();
135 System.out.println(list.length + " messages on server");
136 int maxSize = -1;
137 int sumSize = 0;
138 for( int i=0; i<list.length; i++) {
139 sumSize += list[i].getSize();
140 maxSize = Math.max(maxSize, list[i].getSize());
141 }
142 System.out.println("Total mailbox size: " + (sumSize / 1024) + " kB");
143 System.out.println("Mean message size: " + (sumSize / (1024 * list.length)) + " kB");
144 System.out.println("Largest message size: " + (maxSize / 1024) + " kB");
145
146 protocol.quit();
147
148 } catch (IOException e) {
149 System.err.println("IO Error: " + e.getLocalizedMessage());
150
151 } catch (POP3Exception e) {
152 System.err.println("POP3 Error: " + e.getMessage());
153 try {
154 protocol.quit();
155 } catch (IOException e1) {
156 } catch (POP3Exception e1) {
157 }
158 }
159
160 System.exit(0);
161 }
162
163 }
164 |
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