├── .gitignore ├── README.md ├── eml2mbox.rb └── licence.txt /.gitignore: -------------------------------------------------------------------------------- 1 | src/ 2 | pkg/ 3 | *.pkg.tar.* 4 | *.src.tar.* 5 | *~ 6 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # eml2mbox 2 | 3 | This script was written by the person who runs this website: http://www.broobles.com/ 4 | 5 | It did not work with recent Ruby versions, and did not have an Arch Linux package. So I am semi-forking it here. They are always welcome to unfork it and take the credit. :) 6 | 7 | It can handle files that end in EML or MAI (aka RFC 822) such as the ones stored by Mail Enable. It turns these into mbox files. 8 | -------------------------------------------------------------------------------- /eml2mbox.rb: -------------------------------------------------------------------------------- 1 | #!/usr/bin/ruby 2 | # encoding: utf-8 3 | #============================================================================================# 4 | # Converts a bunch of eml files into one mbox file. # 5 | # # 6 | # Usage: [ruby] eml2mbx.rb [-a] [-c] [-h] [-l] [-m] [-s] [-yz] [emlpath [trgtmbx]] # 7 | # Switches: # 8 | # -a assume all files are emails - ignore extensions # 9 | # -c Remove CRs (^M) appearing at end of lines (Unix) # 10 | # -f Act on a single .eml file, rather than an .eml dir # 11 | # -l Remove LFs appearing at beggining of lines (old Mac) - not tested # 12 | # -h Show help and exit # 13 | # -m Handle multiline From: headers (RFC822 phrase + routed_addr) # 14 | # -s Don't use standard mbox postmark formatting (for From_ line) # 15 | # This will force the use of original From and Date found in mail headers. # 16 | # Not recommended, unless you really have problems importing emls. # 17 | # -yz Use this to force the order of the year and timezone in date in the From_ # 18 | # line from the default [timezone][year] to [year][timezone]. # 19 | # emlpath - Path of dir with eml files. Defaults to the current dir if not specified # 20 | # trgtmbx - Name of the target mbox file. Defaults to "archive.mbox" in 'emlpath' # 21 | # # 22 | #============================================================================================# 23 | # Licence: # 24 | # # 25 | # This script is free software; you can redistribute it and/or modify it under the terms of # 26 | # the GNU Lesser General Public License as published by the Free Software Foundation; # 27 | # either version 2.1 of the License, or (at your option) any later version. # 28 | # # 29 | # You should have received a copy of the GNU Lesser General Public License along with this # 30 | # script; if not, please visit http://www.gnu.org/copyleft/gpl.html for more information. # 31 | #============================================================================================# 32 | 33 | require "date" 34 | 35 | #=======================================================# 36 | # Class that encapsulates the processing file in memory # 37 | #=======================================================# 38 | 39 | class FileInMemory 40 | 41 | ZoneOffset = { 42 | # Standard zones by RFC 2822 43 | 'UTC' => '0000', 44 | 'UT' => '0000', 'GMT' => '0000', 45 | 'EST' => '-0500', 'EDT' => '-0400', 46 | 'CST' => '-0600', 'CDT' => '-0500', 47 | 'MST' => '-0700', 'MDT' => '-0600', 48 | 'PST' => '-0800', 'PDT' => '-0700', 49 | } 50 | 51 | def initialize() 52 | @lines = Array.new 53 | @counter = 1 # keep the 0 position for the From_ line 54 | @from = nil # from part of the From_ line 55 | @prefrom = nil # buffer for multiline From: 56 | @date = nil # date part of the From_ line 57 | end 58 | 59 | def addLine(line) 60 | line = line.force_encoding("ISO-8859-1").encode("utf-8", replace: nil) 61 | 62 | # If the line is a 'false' From line, add a '>' to its beggining 63 | line = line.sub(/From/, '>From') if line =~ /^From/ and @from!=nil 64 | 65 | # If previous line was a two-liner From header without address concatenate both 66 | if @prefrom != nil 67 | line = @prefrom + " " + line 68 | @prefrom = nil 69 | end 70 | 71 | # If the line is the first valid From line, save it (without the line break) 72 | if line =~ /^From:\s.*/ and @from==nil 73 | if line =~ /.*@/ 74 | @from = line.sub(/From:/,'From') 75 | @from = @from.chop # Remove line break(s) 76 | @from = standardizeFrom(@from) unless $switches["noStandardFromLine"] 77 | elsif $switches["multilineFrom"] 78 | @prefrom = line.chop 79 | end 80 | end 81 | 82 | # Get the date 83 | if $switches["noStandardFromLine"] 84 | # Don't parse the content of the Date header 85 | @date = line.sub(/Date:\s/,'') if line =~ /^Date:\s/ and @date==nil 86 | else 87 | if line =~ /^Date:\s/ and @date==nil 88 | # Parse content of the Date header and convert to the mbox standard for the From_ line 89 | @date = line.sub(/Date:\s/,'') 90 | year, month, day, hour, minute, second, timezone, wday = DateTime._parse(@date, false).values_at(:year, :mon, :mday, :hour, :min, :sec, :zone, :wday) 91 | # Need to convert the timezone from a string to a 4 digit offset 92 | unless timezone =~ /[+|-]\d*/ 93 | timezone=ZoneOffset[timezone] 94 | end 95 | begin 96 | time = Time.gm(year,month,day,hour,minute,second) 97 | @date = formMboxDate(time,timezone) 98 | rescue 99 | @date = nil 100 | $errors = true 101 | print "[skipping bad date]" 102 | end 103 | end 104 | end 105 | 106 | # Now add the line to the array 107 | line = fixLineEndings(line) 108 | @lines[@counter]=line 109 | @counter+=1 110 | end 111 | 112 | # Forms the first line (from + date) and returns all the lines 113 | # Returns all the lines in the file 114 | def getProcessedLines() 115 | if @from != nil 116 | # Add from and date to the first line 117 | if @date==nil 118 | $errors = true 119 | print "[replacing bad date with now]" 120 | @date=formMboxDate(Time.now,nil) 121 | end 122 | @lines[0] = @from + " " + @date 123 | 124 | @lines[0] = fixLineEndings(@lines[0]) 125 | @lines[@counter] = "" 126 | return @lines 127 | end 128 | # else don't return anything 129 | end 130 | 131 | # Fixes CR/LFs 132 | def fixLineEndings(line) 133 | line = removeCR(line) if $switches["removeCRs"]; 134 | line = removeLF(line) if $switches["removeLFs"]; 135 | return line 136 | end 137 | 138 | # emls usually have CR+LF (DOS) line endings, Unix uses LF as a line break, 139 | # so there's a hanging CR at the end of the line when viewed on Unix. 140 | # This method will remove the next to the last character from a line 141 | def removeCR(line) 142 | line = line[0..-3]+line[-1..-1] if line[-2]==0xD 143 | return line 144 | end 145 | 146 | # Similar to the above. This one is for Macs that use CR as a line break. 147 | # So, remove the last char 148 | def removeLF(line) 149 | line = line[0..-2] if line[-1]==0xA 150 | return line 151 | end 152 | 153 | end 154 | 155 | #================# 156 | # Helper methods # 157 | #================# 158 | 159 | # Converts: 'From "some one " ' -> 'From aa@aa.aa' 160 | def standardizeFrom(fromLine) 161 | # Get indexes of last "<" and ">" in line 162 | openIndex = fromLine.rindex('<') 163 | closeIndex = fromLine.rindex('>') 164 | if openIndex!=nil and closeIndex!=nil 165 | fromLine = fromLine[0..4]+fromLine[openIndex+1..closeIndex-1] 166 | end 167 | # else leave as it is - it is either already well formed or is invalid 168 | return fromLine 169 | end 170 | 171 | # Returns a mbox postmark formatted date. 172 | # If timezone is unknown, it is skipped. 173 | # mbox date format used is described here: 174 | # http://www.broobles.com/eml2mbox/mbox.html 175 | def formMboxDate(time,timezone) 176 | if timezone==nil 177 | return time.strftime("%a %b %d %H:%M:%S %Y") 178 | else 179 | if $switches["zoneYearOrder"] 180 | return time.strftime("%a %b %d %H:%M:%S "+timezone.to_s+" %Y") 181 | else 182 | return time.strftime("%a %b %d %H:%M:%S %Y "+timezone.to_s) 183 | end 184 | end 185 | end 186 | 187 | # Extracts all switches from the command line and returns 188 | # a hashmap with valid switch names as keys and booleans as values 189 | # Moves real params to the beggining of the ARGV array 190 | def extractSwitches() 191 | switches = Hash.new(false) # All switches (values) default to false 192 | i=0 193 | while (ARGV[i]=~ /^-/) # while arguments are switches 194 | if ARGV[i]=="-a" 195 | switches["ignoreExt"] = true 196 | puts "\nWill ignore file extension, assume all files are emails" 197 | elsif ARGV[i]=="-c" 198 | switches["removeCRs"] = true 199 | puts "\nWill fix lines ending with a CR" 200 | elsif ARGV[i]=="-f" 201 | switches["singleFile"] = true 202 | puts "\nWill act on a single .eml file, rather than an .eml dir" 203 | elsif ARGV[i]=="-h" 204 | switches["showHelp"] = true 205 | puts "\nWill show help and exit" 206 | elsif ARGV[i]=="-l" 207 | switches["removeLFs"] = true 208 | puts "\nWill fix lines beggining with a LF" 209 | elsif ARGV[i]=="-m" 210 | switches["multilineFrom"] = true 211 | puts "\nWill handle Outlook phrase + route_addr multiline From_ headers" 212 | elsif ARGV[i]=="-s" 213 | switches["noStandardFromLine"] = true 214 | puts "\nWill use From and Date from mail headers in From_ line" 215 | elsif ARGV[i]=="-yz" 216 | switches["zoneYearOrder"] = true 217 | puts "\nTimezone will be placed before the year in From_ line" 218 | else 219 | puts "\nUnknown switch: "+ARGV[i]+". Ignoring." 220 | end 221 | i = i+1 222 | end 223 | # Move real arguments to the beggining of the array 224 | ARGV[0] = ARGV[i] 225 | ARGV[1] = ARGV[i+1] 226 | return switches 227 | end 228 | 229 | # Shows usage instructions 230 | def showHelp() 231 | puts "# Usage: [ruby] eml2mbx.rb [-a] [-c] [-h] [-l] [-m] [-s] [-yz] [emlpath [trgtmbx]] # 232 | # Switches: # 233 | # -a assume all files are emails - ignore extensions # 234 | # -c Remove CRs (^M) appearing at end of lines (Unix) # 235 | # -l Remove LFs appearing at beggining of lines (old Mac) - not tested # 236 | # -h Show help and exit # 237 | # -m Handle multiline From: headers (RFC822 phrase + routed_addr) # 238 | # -s Don't use standard mbox postmark formatting (for From_ line) # 239 | # This will force the use of original From and Date found in mail headers. # 240 | # Not recommended, unless you really have problems importing emls. # 241 | # -yz Use this to force the order of the year and timezone in date in the From_ # 242 | # line from the default [timezone][year] to [year][timezone]. # 243 | # emlpath - Path of dir with eml files. Defaults to the current dir if not specified # 244 | # trgtmbx - Name of the target mbox file. Defaults to 'archive.mbox' in 'emlpath' # 245 | # # 246 | #============================================================================================#" 247 | end 248 | 249 | #===============# 250 | # Main # 251 | #===============# 252 | 253 | $switches = extractSwitches() 254 | if $switches["showHelp"] 255 | showHelp() 256 | abort("") 257 | end 258 | $stdout.sync = true 259 | 260 | # Extract specified directory with emls and the target archive (if any) 261 | emlDir = "." # default if not specified 262 | if ARGV[0]!=nil 263 | if $switches["singleFile"] 264 | emlDir = File.dirname(ARGV[0]) 265 | emlFile = File.basename(ARGV[0]) 266 | else 267 | emlDir = ARGV[0] 268 | end 269 | end 270 | mboxArchive = emlDir + "archive.mbox" # default if not specified 271 | mboxArchive = ARGV[1] if ARGV[1] != nil 272 | 273 | # Show specified settings 274 | puts "\nSpecified dir : "+emlDir 275 | puts "Specified file: "+mboxArchive+"\n" 276 | 277 | # Check if destination file exists. If yes allow user to select an option. 278 | canceled = false 279 | if FileTest.exist?(mboxArchive) 280 | print "\nFile ["+mboxArchive+"] exists! Please select: [A]ppend [O]verwrite [C]ancel (default) " 281 | sel = STDIN.gets.chomp 282 | if sel == 'A' or sel == 'a' 283 | aFile = File.new(mboxArchive, "a"); 284 | elsif sel == 'O' or sel == 'o' 285 | aFile = File.new(mboxArchive, "w"); 286 | else 287 | canceled = true 288 | end 289 | else 290 | # File doesn't exist, open for writing 291 | aFile = File.new(mboxArchive, "w"); 292 | end 293 | 294 | # Check that the dir exists 295 | if FileTest.directory?(emlDir) 296 | Dir.chdir(emlDir) 297 | else 298 | puts "\n["+emlDir+"] is not a directory (might not exist). Please specify a valid dir" 299 | exit(0) 300 | end 301 | 302 | if not canceled 303 | puts 304 | if $switches["singleFile"] 305 | files = [emlFile] 306 | if not FileTest.exist?(emlFile) 307 | puts "That eml file does not exist. mbox file not created." 308 | aFile.close 309 | File.delete(mboxArchive) 310 | exit(0) 311 | end 312 | else 313 | if $switches["ignoreExt"] 314 | globtext = "*" 315 | else 316 | globtext = "*.{eml,mai}" 317 | end 318 | files = Dir.glob(globtext, File::FNM_CASEFOLD) 319 | if files.size == 0 320 | puts "No *.eml files in this directory. mbox file not created." 321 | aFile.close 322 | File.delete(mboxArchive) 323 | exit(0) 324 | end 325 | end 326 | # For each .eml file in the specified directory do the following 327 | puts "About to process #{files.size} mail files" 328 | filenum = 0 329 | errors = 0 330 | files.each() do |x| 331 | $errors = false 332 | filenum += 1 333 | filenumtxt = filenum.to_s.rjust("#{files.size}".length) 334 | print "#{filenumtxt}/#{files.size}: "+x+" " 335 | thisFile = FileInMemory.new() 336 | File.open(x).each {|item| thisFile.addLine(item) } 337 | lines = thisFile.getProcessedLines 338 | if lines == nil 339 | $errors = true 340 | print "[skipping mail without regular From: line]" 341 | else 342 | lines.each {|line| aFile.puts line} 343 | end 344 | if $errors 345 | print "\n" 346 | errors += 1 347 | else 348 | print "\r" 349 | end 350 | end 351 | aFile.close 352 | puts "There were #{errors} files with errors. " 353 | end 354 | -------------------------------------------------------------------------------- /licence.txt: -------------------------------------------------------------------------------- 1 | GNU LESSER GENERAL PUBLIC LICENSE 2 | Version 2.1, February 1999 3 | 4 | Copyright (C) 1991, 1999 Free Software Foundation, Inc. 5 | 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 6 | Everyone is permitted to copy and distribute verbatim copies 7 | of this license document, but changing it is not allowed. 8 | 9 | [This is the first released version of the Lesser GPL. It also counts 10 | as the successor of the GNU Library Public License, version 2, hence 11 | the version number 2.1.] 12 | 13 | Preamble 14 | 15 | The licenses for most software are designed to take away your 16 | freedom to share and change it. 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