78 lines
1.7 KiB
JavaScript
78 lines
1.7 KiB
JavaScript
//
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// Copyright (C) 2001-2023 Graeme Walker <graeme_walker@users.sourceforge.net>
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//
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// Copying and distribution of this file, with or without modification,
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// are permitted in any medium without royalty provided the copyright
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// notice and this notice are preserved. This file is offered as-is,
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// without any warranty.
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// ===
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//
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// emailrelay-set-message-id.js
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//
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// An example "--filter" script that sets a message-id header if there
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// is none.
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//
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try
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{
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var domain = "example.com" ;
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var content = WScript.Arguments( 0 ) ;
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var fs = WScript.CreateObject( "Scripting.FileSystemObject" ) ;
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var in_ = fs.OpenTextFile( content , 1 , false ) ;
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var out_ = fs.OpenTextFile( content + ".tmp" , 8 , true ) ;
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var re_message_id = /^Message-ID:/i ;
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var re_fold = /^[ \t]/ ;
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var in_message_id = 0 ;
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var have_message_id = 0 ;
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while( !in_.AtEndOfStream )
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{
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var line = in_.ReadLine() ;
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if( line === "" )
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{
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if( !have_message_id )
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{
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var now = new Date() ;
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var lhs = (now.getTime()/1000) + "." + (Math.random()*1000).toFixed(0) ) ;
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var new_message_id = lhs + "@" + domain ;
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out_.WriteLine( "Message-ID: " + new_message_id ) ;
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}
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out_.WriteLine( line ) ;
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break ;
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}
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if( line.match(re_message_id) )
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{
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have_message_id = 1 ;
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in_message_id = 1 ;
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}
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else if( in_message_id && line.match(re_fold) )
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{
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}
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else
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{
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in_message_id = 0 ;
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out_.WriteLine( line ) ;
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}
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}
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while( !in_.AtEndOfStream )
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{
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var body_line = in_.ReadLine() ;
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out_.WriteLine( body_line ) ;
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}
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in_.Close() ;
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out_.Close() ;
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fs.DeleteFile( content ) ;
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fs.MoveFile( content + ".tmp" , content ) ;
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WScript.Quit( 0 ) ;
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}
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catch( e )
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{
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WScript.StdOut.WriteLine( "<<edit failed>>" ) ;
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WScript.StdOut.WriteLine( "<<" + e + ">>" ) ;
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WScript.Quit( 1 ) ;
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}
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