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Examine Junk/NonJunk Flags on Outlook.com and GMail
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Examines the Junk and NonJunk FLAGS for IMAP on Outlook.com and GMail.com.Chilkat Zig Downloads
const std = @import("std");
const chilkat = @import("chilkat");
pub fn main(init: std.process.Init) !void {
const alloc = init.arena.allocator();
const imap = try chilkat.Imap.init();
defer imap.deinit();
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
// Connect to the outlook.com IMAP server.
// We'll do the same for GMail below..
// Use TLS
imap.setSsl(true);
imap.setPort(993);
imap.connect("imap-mail.outlook.com") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
// Login
imap.login("myAccount@outlook.com", "OUTLOOK_PASSWORD") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
// Begin keeping a log of the session here.
imap.setKeepSessionLog(true);
// Select an IMAP mailbox
imap.selectMailbox("Inbox") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
// The LastResponse property contains the full response of the last command.
// The response to the SELECT mailbox command shows the FLAGS that can be set
// for emails in the mailbox.
var select_response: [:0]const u8 = try imap.getLastResponse(alloc);
std.debug.print("{s}\n", .{select_response});
// The response to "SELECT Inbox" looks like this:
// There are no FLAGS for Junk/NonJunk..
// * 4 EXISTS
// * 0 RECENT
// * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
// * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
// * OK [UIDVALIDITY 14] UIDVALIDITY value
// * OK [UIDNEXT 1719] The next unique identifier value
// aaac OK [READ-WRITE] SELECT completed.
// Fetch the flags for each message in the mailbox.
// Prior to running this example, (using Mozilla Thunderbird) I marked one of the emails
// in my outlook.com Inbox as Junk.
var sequence_num: i32 = 1;
while (sequence_num <= imap.getNumMessages()) {
const flags = try imap.fetchFlags(alloc, @as(u32, @intCast(sequence_num)), false);
std.debug.print("{d}: {s}\n", .{ sequence_num, flags });
sequence_num = sequence_num + 1;
}
// The output of the above loop is this:
// 1: \Seen
// 2: \Seen
// 3: \Seen
// 4: \Seen
// As you can see, nothing is marked as Junk/Spam. This concurs with the list of FLAGS
// documented in the response to the SELECT command. Apparently, there is no flag for junk/nonjunk
// for outlook.com. Mozilla Thunderbird must be storing additional information about particular
// emails locally. (In other words, perhaps the Junk/NonJunk flag is information stored locally
// by Thunderbird, and is not a flag set on the server.)
std.debug.print("---- Session Log ----\n", .{});
std.debug.print("{s}\n", .{try imap.getSessionLog(alloc)});
// The session log looks like this:
// ----IMAP REQUEST----
// aaac SELECT "Inbox"
// ----IMAP RESPONSE----
// * 4 EXISTS
// * 0 RECENT
// * FLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)
// * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft $MDNSent)] Permanent flags
// * OK [UIDVALIDITY 14] UIDVALIDITY value
// * OK [UIDNEXT 1719] The next unique identifier value
// aaac OK [READ-WRITE] SELECT completed.
// ----IMAP REQUEST----
// aaad FETCH 1 (FLAGS)
// ----IMAP RESPONSE----
// * 1 FETCH (FLAGS (\Seen))
// aaad OK FETCH completed.
// ----IMAP REQUEST----
// aaae FETCH 2 (FLAGS)
// ----IMAP RESPONSE----
// * 2 FETCH (FLAGS (\Seen))
// aaae OK FETCH completed.
// ----IMAP REQUEST----
// aaaf FETCH 3 (FLAGS)
// ----IMAP RESPONSE----
// * 3 FETCH (FLAGS (\Seen))
// aaaf OK FETCH completed.
// ----IMAP REQUEST----
// aaag FETCH 4 (FLAGS)
// ----IMAP RESPONSE----
// * 4 FETCH (FLAGS (\Seen))
// aaag OK FETCH completed.
imap.disconnect() catch {};
// --------------------------------------------------------------------------------
// Now let's check GMail..
// Again, I've marked one email as Junk.
imap.setKeepSessionLog(false);
imap.setSsl(true);
imap.setPort(993);
imap.connect("imap.gmail.com") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
// Login
imap.login("myAccount@gmail.com", "GMAIL-IMAP-PASSWORD") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
imap.setKeepSessionLog(true);
imap.selectMailbox("Inbox") catch {
std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
return;
};
select_response = try imap.getLastResponse(alloc);
std.debug.print("{s}\n", .{select_response});
// The response to GMail "SELECT Inbox" looks like this:
// * FLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk)
// * OK [PERMANENTFLAGS (\Answered \Flagged \Draft \Deleted \Seen $Forwarded $NotPhishing $Phishing $label1 $label2 $label3 $label4 $label5 Junk NonJunk \*)] Flags permitted.
// * OK [UIDVALIDITY 3] UIDs valid.
// * 46 EXISTS
// * 0 RECENT
// * OK [UIDNEXT 4147] Predicted next UID.
// * OK [HIGHESTMODSEQ 403404]
// aaai OK [READ-WRITE] Inbox selected. (Success)
sequence_num = imap.getNumMessages();
var min_seq_num: i32 = 1;
if (sequence_num > 10) {
min_seq_num = sequence_num - 10;
}
while (sequence_num >= min_seq_num) {
const flags = try imap.fetchFlags(alloc, @as(u32, @intCast(sequence_num)), false);
std.debug.print("{d}: {s}\n", .{ sequence_num, flags });
sequence_num = sequence_num - 1;
}
// The output (for GMail) of the above loop is this:
// 46: Junk \Seen
// 45: NonJunk \Answered \Seen
// 44: NonJunk \Seen
// 43: \Answered \Seen
// 42: \Answered \Seen
// 41: NonJunk \Seen
// 40: NonJunk \Answered \Seen
// 39: NonJunk \Seen
// 38: NonJunk \Seen
// 37: NonJunk \Seen
// 36: NonJunk \Seen
// As you can see, the email I marked as "Junk" using Mozilla Thunderbird has the Junk flag set.
// This concurs with GMail's list of FLAGS. Apparently, since the IMAP server has a "Junk" flag,
// Thunderbird set it when I marked the email as Junk.
imap.disconnect() catch {};
}