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<title>deliver_maildir (RFilter::Deliver)</title>
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<pre><span class="cmt"># File lib/rfilter/deliver.rb, line 233</span>
<span class="kw">def</span> deliver_maildir(dir, message)
require <span class="str">'socket'</span>
<span class="cmt"># First, make the required directories</span>
new = File.join(dir, <span class="str">'new'</span>)
tmp = File.join(dir, <span class="str">'tmp'</span>)
[ dir, new, tmp, File.join(dir, <span class="str">'cur'</span>) ].each { |d|
<span class="kw">begin</span>
Dir.mkdir(d, 0700)
<span class="kw">rescue</span> Errno::EEXIST
raise <span class="kw">unless</span> FileTest::directory?(d)
<span class="kw">end</span>
}
sequence = @@mail_deliver_maildir_count
@@mail_deliver_maildir_count = @@mail_deliver_maildir_count.next
tmp_name = <span class="kw">nil</span>
new_name = <span class="kw">nil</span>
hostname = Socket::gethostname.gsub(<span class="re">/[^\w]/</span>, <span class="str">'_'</span>).untaint
pid = Process::pid
3.times { |i|
now = Time::now
name = sprintf(<span class="str">"%d.M%XP%dQ%d.%s"</span>,
Time::now.tv_sec, Time::now.tv_usec,
pid, sequence, hostname)
tmp_name = File.join(tmp, name)
new_name = File.join(new, name)
<span class="kw">begin</span>
File::stat(tmp_name)
<span class="kw">rescue</span> Errno::ENOENT
<span class="kw">break</span>
<span class="kw">rescue</span> Exception
raise <span class="kw">if</span> i == 2
<span class="kw">end</span>
raise <span class="str">"Too many tmp file conflicts."</span> <span class="kw">if</span> i == 2
sleep(2)
}
<span class="kw">begin</span>
File.open(tmp_name,
File::CREAT|File::EXCL|File::WRONLY|SYNC_IF_NO_FSYNC,
0600) { |f|
<span class="cmt"># Write the message to the file</span>
first = <span class="kw">true</span>
message.each { |line|
<span class="kw">if</span> first
first = <span class="kw">false</span>
<span class="kw">next</span> <span class="kw">if</span> line =~ <span class="re">/From /</span>
<span class="kw">end</span>
f << line
f << <span class="str">"\n"</span> <span class="kw">unless</span> line[-1] == ?\n
}
f.fsync <span class="kw">if</span> <span class="kw">defined?</span> f.fsync
}
File.link(tmp_name, new_name)
<span class="kw">ensure</span>
<span class="kw">begin</span>
File.delete(tmp_name)
<span class="kw">rescue</span> Errno::ENOENT
<span class="kw">end</span>
<span class="kw">end</span>
new_name
<span class="kw">end</span></pre>
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