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Merge pull request #420 from sim590/unpack-lua51-compat
[etc/awesome.git] / widget / imap.lua
1 --[[
2
3      Licensed under GNU General Public License v2
4       * (c) 2013, Luca CPZ
5
6 --]]
7
8 local helpers  = require("lain.helpers")
9 local naughty  = require("naughty")
10 local wibox    = require("wibox")
11 local awful    = require("awful")
12 local string   = string
13 local type     = type
14 local tonumber = tonumber
15
16 -- Mail IMAP check
17 -- lain.widget.imap
18
19 local function factory(args)
20     local imap       = { widget = wibox.widget.textbox() }
21     local args       = args or {}
22     local server     = args.server
23     local mail       = args.mail
24     local password   = args.password
25     local port       = args.port or 993
26     local timeout    = args.timeout or 60
27     local pwdtimeout = args.pwdtimeout or 10
28     local is_plain   = args.is_plain or false
29     local followtag  = args.followtag or false
30     local notify     = args.notify or "on"
31     local settings   = args.settings or function() end
32
33     local head_command = "curl --connect-timeout 3 -fsm 3"
34     local request = "-X 'STATUS INBOX (MESSAGES RECENT UNSEEN)'"
35
36     if not server or not mail or not password then return end
37
38     mail_notification_preset = {
39         icon     = helpers.icons_dir .. "mail.png",
40         position = "top_left"
41     }
42
43     helpers.set_map(mail, 0)
44
45     if not is_plain then
46         if type(password) == "string" or type(password) == "table" then
47             helpers.async(password, function(f) password = f:gsub("\n", "") end)
48         elseif type(password) == "function" then
49             imap.pwdtimer = helpers.newtimer(mail .. "-password", pwdtimeout, function()
50                 local retrieved_password, try_again = password()
51                 if not try_again then
52                     imap.pwdtimer:stop() -- stop trying to retrieve
53                     password = retrieved_password or "" -- failsafe
54                 end
55             end, true, true)
56         end
57     end
58
59     function imap.update()
60         -- do not update if the password has not been retrieved yet
61         if type(password) ~= "string" then return end
62
63         local curl = string.format("%s --url imaps://%s:%s/INBOX -u %s:'%s' %s -k",
64                      head_command, server, port, mail, password, request)
65
66         helpers.async(curl, function(f)
67             imap_now = { ["MESSAGES"] = 0, ["RECENT"] = 0, ["UNSEEN"] = 0 }
68
69             for s,d in f:gmatch("(%w+)%s+(%d+)") do imap_now[s] = tonumber(d) end
70             mailcount = imap_now["UNSEEN"] -- backwards compatibility
71             widget = imap.widget
72
73             settings()
74
75             if notify == "on" and mailcount and mailcount >= 1 and mailcount > helpers.get_map(mail) then
76                 if followtag then mail_notification_preset.screen = awful.screen.focused() end
77                 naughty.notify {
78                     preset = mail_notification_preset,
79                     text   = string.format("%s has <b>%d</b> new message%s", mail, mailcount, mailcount == 1 and "" or "s")
80                 }
81             end
82
83             helpers.set_map(mail, imap_now["UNSEEN"])
84         end)
85
86     end
87
88     imap.timer = helpers.newtimer(mail, timeout, imap.update, true, true)
89
90     return imap
91 end
92
93 return factory