require 'time'
require 'rmail'
require 'cgi'
+require 'set'
+
+## TODO: remove synchronized method protector calls; use a Monitor instead
+## (ruby's reentrant mutex)
## fucking imap fucking sucks. what the FUCK kind of committee of dunces
## designed this shit.
## restriction. it can change any time you log in. it can change EVERY
## time you log in. of course the imap spec "strongly recommends" that it
## never change, but there's nothing to stop people from just setting it
-## to the current timestamp, and in fact that's exactly what the one imap
+## to the current timestamp, and in fact that's EXACTLY what the one imap
## server i have at my disposal does. thus the so-called uids are
## absolutely useless and imap provides no cross-session way of uniquely
## identifying a message. but thanks for the "strong recommendation",
module Redwood
class IMAP < Source
+ include SerializeLabelsNicely
SCAN_INTERVAL = 60 # seconds
## upon these errors we'll try to rereconnect a few times
@imap_state = {}
@ids = []
@last_scan = nil
- @labels = ((labels || []) - LabelManager::RESERVED_LABELS).uniq.freeze
+ @labels = Set.new((labels || []) - LabelManager::RESERVED_LABELS)
@say_id = nil
@mutex = Mutex.new
end
def == o; o.is_a?(IMAP) && o.uri == self.uri && o.username == self.username; end
def load_header id
- MBox::read_header StringIO.new(raw_header(id))
+ parse_raw_email_header StringIO.new(raw_header(id))
end
def load_message id
end
synchronized :raw_header
+ def store_message date, from_email, &block
+ message = StringIO.new
+ yield message
+ message.string.gsub! /\n/, "\r\n"
+
+ safely { @imap.append mailbox, message.string, [:Seen], Time.now }
+ end
+
def raw_message id
unsynchronized_scan_mailbox
get_imap_fields(id, 'RFC822').first.gsub(/\r\n/, "\n")
end
synchronized :raw_message
+ def mark_as_deleted ids
+ ids = [ids].flatten # accept single arguments
+ unsynchronized_scan_mailbox
+ imap_ids = ids.map { |i| @imap_state[i] && @imap_state[i][:id] }.compact
+ return if imap_ids.empty?
+ @imap.store imap_ids, "+FLAGS", [:Deleted]
+ end
+ synchronized :mark_as_deleted
+
+ def expunge
+ @imap.expunge
+ unsynchronized_scan_mailbox true
+ true
+ end
+ synchronized :expunge
+
def connect
return if @imap
safely { } # do nothing!
end
synchronized :connect
- def scan_mailbox
- return if @last_scan && (Time.now - @last_scan) < SCAN_INTERVAL
+ def scan_mailbox force=false
+ return if !force && @last_scan && (Time.now - @last_scan) < SCAN_INTERVAL
last_id = safely do
@imap.examine mailbox
@imap.responses["EXISTS"].last
end
@last_scan = Time.now
+ @ids = [] if force
return if last_id == @ids.length
range = (@ids.length + 1) .. last_id
- Redwood::log "fetching IMAP headers #{range}"
+ debug "fetching IMAP headers #{range}"
fetch(range, ['RFC822.SIZE', 'INTERNALDATE', 'FLAGS']).each do |v|
id = make_id v
@ids << id
@imap_state[id] = { :id => v.seqno, :flags => v.attr["FLAGS"] }
end
- Redwood::log "done fetching IMAP headers"
+ debug "done fetching IMAP headers"
end
synchronized :scan_mailbox
def end_offset
unsynchronized_scan_mailbox
- @ids.last
+ @ids.last + 1
end
synchronized :end_offset
if good_results.empty?
raise FatalSourceError, "no IMAP response for #{ids} containing all fields #{fields.join(', ')} (got #{results.size} results)"
elsif good_results.size < results.size
- Redwood::log "Your IMAP server sucks. It sent #{results.size} results for a request for #{good_results.size} messages. What are you using, Binc?"
+ warn "Your IMAP server sucks. It sent #{results.size} results for a request for #{good_results.size} messages. What are you using, Binc?"
end
good_results
raise Net::IMAP::NoResponseError unless @imap.capability().member? "AUTH=CRAM-MD5"
@imap.authenticate 'CRAM-MD5', @username, @password
rescue Net::IMAP::BadResponseError, Net::IMAP::NoResponseError => e
- Redwood::log "CRAM-MD5 authentication failed: #{e.class}. Trying LOGIN auth..."
+ debug "CRAM-MD5 authentication failed: #{e.class}. Trying LOGIN auth..."
begin
raise Net::IMAP::NoResponseError unless @imap.capability().member? "AUTH=LOGIN"
@imap.authenticate 'LOGIN', @username, @password
rescue Net::IMAP::BadResponseError, Net::IMAP::NoResponseError => e
- Redwood::log "LOGIN authentication failed: #{e.class}. Trying plain-text LOGIN..."
+ debug "LOGIN authentication failed: #{e.class}. Trying plain-text LOGIN..."
@imap.login @username, @password
end
end
def say s
@say_id = BufferManager.say s, @say_id if BufferManager.instantiated?
- Redwood::log s
+ debug s
end
def shutup
%w(RFC822.SIZE INTERNALDATE).each do |w|
raise FatalSourceError, "requested data not in IMAP response: #{w}" unless imap_stuff.attr[w]
end
-
+
msize, mdate = imap_stuff.attr['RFC822.SIZE'] % 10000000, Time.parse(imap_stuff.attr["INTERNALDATE"])
sprintf("%d%07d", mdate.to_i, msize).to_i
end
rescue *RECOVERABLE_ERRORS => e
if (retries += 1) <= 3
@imap = nil
- Redwood::log "got #{e.class.name}: #{e.message.inspect}"
+ warn "got #{e.class.name}: #{e.message.inspect}"
sleep 2
retry
end