luasocket/test/testmesg.lua

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-- load the smtp support and its friends
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local smtp = require("socket.smtp")
local mime = require("mime")
local ltn12 = require("ltn12")
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function filter(s)
if s then io.write(s) end
return s
end
source = smtp.message {
headers = { ['content-type'] = 'multipart/alternative' },
body = {
[1] = {
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headers = { ['Content-type'] = 'text/html' },
body = "<html> <body> Hi, <b>there</b>...</body> </html>"
},
[2] = {
headers = { ['content-type'] = 'text/plain' },
body = "Hi, there..."
}
}
}
r, e = smtp.send{
rcpt = {"<diego@tecgraf.puc-rio.br>",
"<diego@princeton.edu>" },
from = "<diego@princeton.edu>",
source = ltn12.source.chain(source, filter),
--server = "mail.cs.princeton.edu"
server = "localhost",
port = 2525
}
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print(r, e)
-- creates a source to send a message with two parts. The first part is
-- plain text, the second part is a PNG image, encoded as base64.
source = smtp.message{
headers = {
-- Remember that headers are *ignored* by smtp.send.
from = "Sicrano <sicrano@tecgraf.puc-rio.br>",
to = "Fulano <fulano@tecgraf.puc-rio.br>",
subject = "Here is a message with attachments"
},
body = {
preamble = "If your client doesn't understand attachments, \r\n" ..
"it will still display the preamble and the epilogue.\r\n" ..
"Preamble might show up even in a MIME enabled client.",
-- first part: No headers means plain text, us-ascii.
-- The mime.eol low-level filter normalizes end-of-line markers.
[1] = {
body = mime.eol(0, [[
Lines in a message body should always end with CRLF.
The smtp module will *NOT* perform translation. It will
perform necessary stuffing, though.
]])
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},
-- second part: Headers describe content the to be an image,
-- sent under the base64 transfer content encoding.
-- Notice that nothing happens until the message is sent. Small
-- chunks are loaded into memory and translation happens on the fly.
[2] = {
headers = {
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["ConTenT-tYpE"] = 'image/png; name="luasocket.png"',
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["content-disposition"] = 'attachment; filename="luasocket.png"',
["content-description"] = 'our logo',
["content-transfer-encoding"] = "BASE64"
},
body = ltn12.source.chain(
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ltn12.source.file(io.open("luasocket.png", "rb")),
ltn12.filter.chain(
mime.encode("base64"),
mime.wrap()
)
)
},
epilogue = "This might also show up, but after the attachments"
}
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}
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r, e = smtp.send{
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rcpt = {"<diego@tecgraf.puc-rio.br>",
"<diego@princeton.edu>" },
from = "<diego@princeton.edu>",
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source = ltn12.source.chain(source, filter),
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--server = "mail.cs.princeton.edu",
--port = 25
server = "localhost",
port = 2525
}
print(r, e)