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readme updated
[etc/awesome.git] / widgets / imap.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013, Luke Bonham                     
6                                                   
7 --]]
8
9 local markup       = require("lain.util.markup")
10 local helpers      = require("lain.helpers")
11
12 local awful        = require("awful")
13 local beautiful    = require("beautiful")
14 local naughty      = require("naughty")
15 local wibox        = require("wibox")
16
17 local io           = io
18 local tonumber     = tonumber
19 local string       = string
20
21 local setmetatable = setmetatable
22
23 -- Mail imap check
24 -- lain.widgets.imap
25 local imap = {} 
26
27 function worker(args)
28     local args = args or {}
29
30     local server = args.server
31     local mail = args.mail
32     local password = args.password
33
34     local port = args.port or "993"
35     local refresh_timeout = args.refresh_timeout or 60
36     local header = args.header or "Mail "
37     local header_color = args.header_color or beautiful.fg_normal or "#FFFFFF"
38     local color = args.color or beautiful.fg_focus or "#FFFFFF"
39     local mail_encoding = args.mail_encoding or nil
40     local maxlen = args.maxlen or 200
41     local app = args.app or "mutt"
42     local is_plain = args.is_plain or false
43     local shadow = args.shadow or false
44
45     helpers.set_map(mail, true)
46     helpers.set_map(mail .. " count", "0")
47
48     local checkmail = helpers.scripts_dir .. "checkmail"
49
50     if not is_plain
51     then
52         local f = io.popen(password)
53         password = f:read("*all"):gsub("\n", ""):gsub("\r", "")
54         f:close()
55     end
56
57     local myimapcheck = wibox.widget.textbox()
58
59     local myimapcheckupdate = function()
60         function set_nomail()
61             if shadow
62             then
63                 myimapcheck:set_text('')
64             else
65                 myimapcheck:set_markup(markup(color, " no mail "))
66             end
67         end
68
69         conn = io.popen("ip link show")
70         check_conn = conn:read("*all") 
71         conn:close()
72
73         if not check_conn:find("state UP") then
74                set_nomail()
75                return
76         end
77
78         to_execute = checkmail .. ' -s ' .. server ..
79                      ' -u ' .. mail .. ' -p ' .. password
80                      .. ' --port ' .. port
81
82         if mail_encoding ~= nil
83         then
84             to_execute = to_execute .. ' --encoding '
85                          .. mail_encoding
86         end
87
88         f = io.popen(to_execute)
89         ws = f:read("*all")
90         f:close()
91
92         if ws:find("No new messages") ~= nil
93         then
94             helpers.set_map(mail, true)
95             set_nomail()
96         elseif ws:find("CheckMailError: invalid credentials") ~= nil
97         then
98             helpers.set_map(mail, true)
99             myimapcheck:set_markup(" " .. markup(header_color, header) ..
100                                    markup(color, "invalid credentials "))
101         else
102             mailcount = ws:match("%d") or "?"
103
104             if helpers.get_map(mail .. " count") ~= mailcount and mailcount ~= "?"
105             then
106                 helpers.set_map(mail, true)
107                 helpers.set_map(mail .. " count", mailcount)
108             end
109
110             myimapcheck:set_markup(" " .. markup(header_color, header) ..
111                                    markup(color, mailcount) .. " ")
112
113             if helpers.get_map(mail)
114             then
115                 if mailcount == "?"
116                 -- May happens sometimes using keyrings or other password fetchers.
117                 -- Since this should be automatically fixed in short times, we threat
118                 -- this exception delaying the update to the next timeout.
119                 then
120                     set_nomail()
121                     return
122                 elseif tonumber(mailcount) >= 1
123                 then
124                     notify_title = ws:match(mail .. " has %d new message.?")
125                     ws = ws:gsub(notify_title, "", 1):gsub("\n", "", 2)
126
127                     ws = ws:gsub("--Content.%S+.-\n", "")
128                     ws = ws:gsub("--%d+.-\n", "")
129
130                     if string.len(ws) > maxlen
131                     then
132                         ws = ws:sub(1, maxlen) .. "[...]"
133                     end
134
135                     notify_title = notify_title:gsub("\n", "")
136                 end
137
138                 naughty.notify({ title = notify_title,
139                                  fg = color,
140                                  text = ws,
141                                  icon = beautiful.lain_mail_notify or
142                                         helpers.icons_dir .. "mail.png",
143                                  timeout = 8,
144                                  position = "top_left" })
145
146                 helpers.set_map(mail, false)
147             end
148         end
149     end
150
151     local myimapchecktimer = timer({ timeout = refresh_timeout })
152     myimapchecktimer:connect_signal("timeout", myimapcheckupdate)
153     myimapchecktimer:start()
154     myimapcheck:buttons(awful.util.table.join(
155         awful.button({}, 0,
156
157             function()
158                 helpers.run_in_terminal(app)
159             end)
160     ))
161
162     return myimapcheck
163 end
164
165 return setmetatable(imap, { __call = function(_, ...) return worker(...) end })