/*
* returns message count from pop3 server
*/
internal static int GetMessageCount(Core.Node ip, Core.Node dp)
{
string host = Expressions.GetExpressionValue<string>(ip.GetValue("host", ""), dp, ip, false);
int port = Expressions.GetExpressionValue<int>(ip.GetValue("port", "-1"), dp, ip, false);
bool implicitSsl = Expressions.GetExpressionValue<bool>(ip.GetValue("ssl", "false"), dp, ip, false);
string username = Expressions.GetExpressionValue<string>(ip.GetValue("username", ""), dp, ip, false);
string password = Expressions.GetExpressionValue<string>(ip.GetValue("password", ""), dp, ip, false);
using (Pop3Client client = new Pop3Client())
{
client.Connect(host, port, implicitSsl);
client.AuthenticationMechanisms.Remove("XOAUTH2");
if (!string.IsNullOrEmpty(username))
client.Authenticate(username, password);
int retVal = client.GetMessageCount();
client.Disconnect(true);
return retVal;
}
}
public void TestAuthenticationExceptions()
{
var commands = new List<Pop3ReplayCommand> ();
commands.Add (new Pop3ReplayCommand ("", "comcast.greeting.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "comcast.capa1.txt"));
commands.Add (new Pop3ReplayCommand ("USER username\r\n", "comcast.ok.txt"));
commands.Add (new Pop3ReplayCommand ("PASS password\r\n", "comcast.err.txt"));
commands.Add (new Pop3ReplayCommand ("QUIT\r\n", "comcast.quit.txt"));
using (var client = new Pop3Client ()) {
try {
client.ReplayConnect ("localhost", new Pop3ReplayStream (commands, false), CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Connect: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "Client failed to connect.");
Assert.AreEqual (ComcastCapa1, client.Capabilities);
Assert.AreEqual (0, client.AuthenticationMechanisms.Count);
Assert.AreEqual (31, client.ExpirePolicy);
try {
var credentials = new NetworkCredential ("username", "password");
client.Authenticate (credentials, CancellationToken.None);
Assert.Fail ("Expected AuthenticationException");
} catch (AuthenticationException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Authenticate: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "AuthenticationException should not cause a disconnect.");
try {
var count = client.GetMessageCount (CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Count: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var sizes = client.GetMessageSizes (CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageSizes: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var size = client.GetMessageSize ("uid", CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageSize(uid): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var size = client.GetMessageSize (0, CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageSize(int): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var uids = client.GetMessageUids (CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageUids: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var uid = client.GetMessageUid (0, CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageUid: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var message = client.GetMessage ("uid", CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessage(uid): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
var message = client.GetMessage (0, CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessage(int): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
client.DeleteMessage ("uid", CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in DeleteMessage(uid): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
client.DeleteMessage (0, CancellationToken.None);
Assert.Fail ("Expected UnauthorizedAccessException");
} catch (UnauthorizedAccessException) {
// we expect this exception...
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in DeleteMessage(int): {0}", ex);
}
Assert.IsTrue (client.IsConnected, "UnauthorizedAccessException should not cause a disconnect.");
try {
client.Disconnect (true, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Disconnect: {0}", ex);
}
Assert.IsFalse (client.IsConnected, "Failed to disconnect");
}
}
public void TestGMailPop3Client()
{
var commands = new List<Pop3ReplayCommand> ();
commands.Add (new Pop3ReplayCommand ("", "gmail.greeting.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "gmail.capa1.txt"));
commands.Add (new Pop3ReplayCommand ("AUTH PLAIN\r\n", "gmail.plus.txt"));
commands.Add (new Pop3ReplayCommand ("AHVzZXJuYW1lAHBhc3N3b3Jk\r\n", "gmail.auth.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "gmail.capa2.txt"));
commands.Add (new Pop3ReplayCommand ("STAT\r\n", "gmail.stat.txt"));
commands.Add (new Pop3ReplayCommand ("RETR 1\r\n", "gmail.retr1.txt"));
commands.Add (new Pop3ReplayCommand ("QUIT\r\n", "gmail.quit.txt"));
using (var client = new Pop3Client ()) {
try {
client.ReplayConnect ("localhost", new Pop3ReplayStream (commands, false), CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Connect: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "Client failed to connect.");
Assert.AreEqual (GMailCapa1, client.Capabilities);
Assert.AreEqual (2, client.AuthenticationMechanisms.Count);
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("XOAUTH2"), "Expected SASL XOAUTH2 auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("PLAIN"), "Expected SASL PLAIN auth mechanism");
// Note: remove the XOAUTH2 auth mechanism to force PLAIN auth
client.AuthenticationMechanisms.Remove ("XOAUTH2");
try {
var credentials = new NetworkCredential ("username", "password");
client.Authenticate (credentials, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Authenticate: {0}", ex);
}
Assert.AreEqual (GMailCapa2, client.Capabilities);
Assert.AreEqual (0, client.AuthenticationMechanisms.Count);
try {
var count = client.GetMessageCount (CancellationToken.None);
Assert.AreEqual (1, count, "Expected 1 message");
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageCount: {0}", ex);
}
// try {
// var uids = client.GetMessageUids (CancellationToken.None);
// Assert.AreEqual (7, uids.Length, "Expected 7 uids");
// } catch (Exception ex) {
// Assert.Fail ("Did not expect an exception in GetMessageUids: {0}", ex);
// }
try {
var message = client.GetMessage (0, CancellationToken.None);
using (var jpeg = new MemoryStream ()) {
var attachment = message.Attachments.FirstOrDefault ();
attachment.ContentObject.DecodeTo (jpeg);
jpeg.Position = 0;
using (var md5 = new MD5CryptoServiceProvider ()) {
var md5sum = HexEncode (md5.ComputeHash (jpeg));
Assert.AreEqual ("5b1b8b2c9300c9cd01099f44e1155e2b", md5sum, "MD5 checksums do not match.");
}
}
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessage: {0}", ex);
}
try {
client.Disconnect (true, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Disconnect: {0}", ex);
}
Assert.IsFalse (client.IsConnected, "Failed to disconnect");
}
}
public void TestExchangePop3Client()
{
var commands = new List<Pop3ReplayCommand> ();
commands.Add (new Pop3ReplayCommand ("", "exchange.greeting.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "exchange.capa.txt"));
commands.Add (new Pop3ReplayCommand ("AUTH PLAIN\r\n", "exchange.plus.txt"));
commands.Add (new Pop3ReplayCommand ("AHVzZXJuYW1lAHBhc3N3b3Jk\r\n", "exchange.auth.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "exchange.capa.txt"));
commands.Add (new Pop3ReplayCommand ("STAT\r\n", "exchange.stat.txt"));
commands.Add (new Pop3ReplayCommand ("UIDL\r\n", "exchange.uidl.txt"));
commands.Add (new Pop3ReplayCommand ("RETR 1\r\n", "exchange.retr1.txt"));
commands.Add (new Pop3ReplayCommand ("QUIT\r\n", "exchange.quit.txt"));
using (var client = new Pop3Client ()) {
try {
client.ReplayConnect ("localhost", new Pop3ReplayStream (commands, false), CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Connect: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "Client failed to connect.");
Assert.AreEqual (ExchangeCapa, client.Capabilities);
Assert.AreEqual (3, client.AuthenticationMechanisms.Count);
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("GSSAPI"), "Expected SASL GSSAPI auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("NTLM"), "Expected SASL NTLM auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("PLAIN"), "Expected SASL PLAIN auth mechanism");
// Note: remove these auth mechanisms to force PLAIN auth
client.AuthenticationMechanisms.Remove ("GSSAPI");
client.AuthenticationMechanisms.Remove ("NTLM");
try {
var credentials = new NetworkCredential ("username", "password");
client.Authenticate (credentials, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Authenticate: {0}", ex);
}
Assert.AreEqual (ExchangeCapa, client.Capabilities);
Assert.AreEqual (3, client.AuthenticationMechanisms.Count);
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("GSSAPI"), "Expected SASL GSSAPI auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("NTLM"), "Expected SASL NTLM auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("PLAIN"), "Expected SASL PLAIN auth mechanism");
try {
var count = client.GetMessageCount (CancellationToken.None);
Assert.AreEqual (7, count, "Expected 7 messages");
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageCount: {0}", ex);
}
try {
var uids = client.GetMessageUids (CancellationToken.None);
Assert.AreEqual (7, uids.Count, "Expected 7 uids");
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessageUids: {0}", ex);
}
try {
var message = client.GetMessage (0, CancellationToken.None);
// TODO: assert that the message is byte-identical to what we expect
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessage: {0}", ex);
}
try {
client.Disconnect (true, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Disconnect: {0}", ex);
}
Assert.IsFalse (client.IsConnected, "Failed to disconnect");
}
}
public void TestBasicPop3ClientUnixLineEndings()
{
var commands = new List<Pop3ReplayCommand> ();
commands.Add (new Pop3ReplayCommand ("", "comcast.greeting.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "comcast.capa1.txt"));
commands.Add (new Pop3ReplayCommand ("USER username\r\n", "comcast.ok.txt"));
commands.Add (new Pop3ReplayCommand ("PASS password\r\n", "comcast.ok.txt"));
commands.Add (new Pop3ReplayCommand ("CAPA\r\n", "comcast.capa2.txt"));
commands.Add (new Pop3ReplayCommand ("STAT\r\n", "comcast.stat1.txt"));
commands.Add (new Pop3ReplayCommand ("RETR 1\r\n", "comcast.retr1.txt"));
commands.Add (new Pop3ReplayCommand ("QUIT\r\n", "comcast.quit.txt"));
using (var client = new Pop3Client ()) {
try {
client.ReplayConnect ("localhost", new Pop3ReplayStream (commands, true), CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Connect: {0}", ex);
}
Assert.IsTrue (client.IsConnected, "Client failed to connect.");
Assert.AreEqual (ComcastCapa1, client.Capabilities);
Assert.AreEqual (0, client.AuthenticationMechanisms.Count);
Assert.AreEqual (31, client.ExpirePolicy);
try {
var credentials = new NetworkCredential ("username", "password");
client.Authenticate (credentials, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Authenticate: {0}", ex);
}
Assert.AreEqual (ComcastCapa2, client.Capabilities);
Assert.AreEqual ("ZimbraInc", client.Implementation);
Assert.AreEqual (2, client.AuthenticationMechanisms.Count);
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("PLAIN"), "Expected SASL PLAIN auth mechanism");
Assert.IsTrue (client.AuthenticationMechanisms.Contains ("X-ZIMBRA"), "Expected SASL X-ZIMBRA auth mechanism");
Assert.AreEqual (-1, client.ExpirePolicy);
try {
var count = client.GetMessageCount (CancellationToken.None);
Assert.AreEqual (1, count, "Expected 1 message");
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Count: {0}", ex);
}
try {
var message = client.GetMessage (0, CancellationToken.None);
// TODO: assert that the message is byte-identical to what we expect
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in GetMessage: {0}", ex);
}
try {
client.Disconnect (true, CancellationToken.None);
} catch (Exception ex) {
Assert.Fail ("Did not expect an exception in Disconnect: {0}", ex);
}
Assert.IsFalse (client.IsConnected, "Failed to disconnect");
}
}
/*
* retrieves messages from pop3 server
*/
private static void RetrieveMessagesFromServer(
Node pars,
Node dp,
Node ip,
string basePath,
string attachmentDirectory,
string linkedAttachmentDirectory,
Node exeNode,
Pop3Client client)
{
int serverCount = client.GetMessageCount();
int count = Expressions.GetExpressionValue<int>(ip.GetValue("count", serverCount.ToString()), dp, ip, false);
count = Math.Min(serverCount, count);
bool delete = Expressions.GetExpressionValue<bool>(ip.GetValue("delete", "false"), dp, ip, false);
for (int idxMsg = 0; idxMsg < count; idxMsg++)
{
MimeMessage msg = client.GetMessage(idxMsg);
HandleMessage(
pars,
ip,
basePath,
attachmentDirectory,
linkedAttachmentDirectory,
exeNode,
idxMsg,
msg);
if (delete)
client.DeleteMessage(idxMsg);
}
}
/*
* retrieves messages from pop3 server
*/
private static void RetrieveMessagesFromServer(
Node pars,
Node dp,
Node ip,
string basePath,
string attachmentDirectory,
string linkedAttachmentDirectory,
Node exeNode,
Pop3Client client)
{
int serverCount = client.GetMessageCount();
int count = Expressions.GetExpressionValue<int>(ip.GetValue("count", serverCount.ToString()), dp, ip, false);
count = Math.Min(serverCount, count);
bool delete = Expressions.GetExpressionValue<bool>(ip.GetValue("delete", "false"), dp, ip, false);
for (int idxMsg = 0; idxMsg < count; idxMsg++)
{
// short circuting in case message is already downloaded
string uuid = null;
if (client.SupportsUids)
{
uuid = client.GetMessageUid(idxMsg);
if (MessageAlreadyDownloaded(uuid))
continue;
}
MimeMessage msg = client.GetMessage(idxMsg);
HandleMessage(
pars,
ip,
basePath,
attachmentDirectory,
linkedAttachmentDirectory,
exeNode,
idxMsg,
msg,
uuid);
if (delete)
client.DeleteMessage(idxMsg);
}
}
