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6d72dad2 TH |
1 | #! /usr/bin/perl |
2 | # | |
3 | # parsedb.pl | |
4 | # | |
5 | # This script will parse a database with raw header information | |
6 | # from a INN feed to a structured database. | |
7 | # | |
8 | # It is part of the NewsStats package. | |
9 | # | |
10 | # Copyright (c) 2013 Thomas Hochstein <thh@inter.net> | |
11 | # | |
12 | # It can be redistributed and/or modified under the same terms under | |
13 | # which Perl itself is published. | |
14 | ||
15 | BEGIN { | |
16 | our $VERSION = "0.01"; | |
17 | use File::Basename; | |
18 | # we're in .../bin, so our module is in ../lib | |
19 | push(@INC, dirname($0).'/../lib'); | |
20 | } | |
21 | use strict; | |
22 | use warnings; | |
23 | ||
24 | use NewsStats qw(:DEFAULT :TimePeriods :SQLHelper); | |
25 | ||
26 | use DBI; | |
27 | use Getopt::Long qw(GetOptions); | |
28 | Getopt::Long::config ('bundling'); | |
29 | ||
9630376c TH |
30 | use Encode qw/decode/; |
31 | use Mail::Address; | |
32 | ||
6d72dad2 TH |
33 | ################################# Definitions ################################## |
34 | ||
35 | # define header names with separate database fields | |
36 | my %DBFields = ('date' => 'date', | |
37 | 'references' => 'refs', | |
38 | 'followup-to' => 'fupto', | |
39 | 'from' => 'from_', | |
40 | 'sender' => 'sender', | |
41 | 'reply-to' => 'replyto', | |
42 | 'subject' => 'subject', | |
43 | 'organization' => 'organization', | |
44 | 'lines' => 'linecount', | |
45 | 'approved' => 'approved', | |
46 | 'supersedes' => 'supersedes', | |
47 | 'expires' => 'expires', | |
48 | 'user-agent' => 'useragent', | |
49 | 'x-newsreader' => 'xnewsreader', | |
50 | 'x-mailer' => 'xmailer', | |
51 | 'x-no-archive' => 'xnoarchive', | |
52 | 'content-type' => 'contenttype', | |
53 | 'content-transfer-encoding' => 'contentencoding', | |
54 | 'cancel-lock' => 'cancellock', | |
55 | 'injection-info' => 'injectioninfo', | |
56 | 'x-trace' => 'xtrace', | |
57 | 'nntp-posting-host' => 'postinghost'); | |
58 | ||
59 | # define field list for database | |
60 | my @DBFields = qw/day mid refs date path newsgroups fupto from_ from_parsed | |
61 | from_name from_address sender sender_parsed sender_name | |
62 | sender_address replyto replyto_parsed replyto_name | |
63 | replyto_address subject subject_parsed organization linecount | |
64 | approved supersedes expires useragent xnewsreader xmailer | |
65 | xnoarchive contenttype contentencoding cancellock injectioninfo | |
66 | xtrace postinghost headers disregard/; | |
67 | ||
68 | ################################# Main program ################################# | |
69 | ||
70 | ### read commandline options | |
71 | my ($OptDay,$OptDebug,$OptParseDB,$OptRawDB,$OptTest,$OptConfFile); | |
72 | GetOptions ('d|day=s' => \$OptDay, | |
73 | 'debug!' => \$OptDebug, | |
74 | 'parsedb=s' => \$OptParseDB, | |
75 | 'rawdb=s' => \$OptRawDB, | |
76 | 't|test!' => \$OptTest, | |
77 | 'conffile=s' => \$OptConfFile, | |
78 | 'h|help' => \&ShowPOD, | |
79 | 'V|version' => \&ShowVersion) or exit 1; | |
80 | ||
81 | ### read configuration | |
82 | my %Conf = %{ReadConfig($OptConfFile)}; | |
83 | ||
84 | ### override configuration via commandline options | |
85 | my %ConfOverride; | |
86 | $ConfOverride{'DBTableRaw'} = $OptRawDB if $OptRawDB; | |
87 | $ConfOverride{'DBTableParse'} = $OptParseDB if $OptParseDB; | |
88 | &OverrideConfig(\%Conf,\%ConfOverride); | |
89 | ||
90 | ### get time period | |
91 | ### and set $Period for output and expression for SQL 'WHERE' clause | |
92 | my ($Period,$SQLWherePeriod) = &GetTimePeriod($OptDay,'day'); | |
93 | # bail out if --month is invalid or "all" | |
94 | &Bleat(2,"--day option has an invalid format - please use 'YYYY-MM-DD' or ". | |
95 | "'YYYY-MM-DD:YYYY-MM-DD'!") if (!$Period or $Period eq 'all time'); | |
96 | ||
97 | ### init database | |
98 | my $DBHandle = InitDB(\%Conf,1); | |
99 | ||
100 | ### get & write data | |
101 | &Bleat(1,'Test mode. Database is not updated.') if $OptTest; | |
102 | ||
103 | # create $SQLWhereClause | |
104 | my $SQLWhereClause = SQLBuildClause('where',$SQLWherePeriod,'NOT disregard'); | |
105 | ||
106 | # delete old data for current period | |
107 | if (!$OptTest) { | |
108 | print "----------- Deleting old data ... -----------\n" if $OptDebug; | |
109 | my $DBQuery = $DBHandle->do(sprintf("DELETE FROM %s.%s %s", | |
110 | $Conf{'DBDatabase'},$Conf{'DBTableParse'}, | |
111 | $SQLWhereClause)) | |
112 | or &Bleat(2,sprintf("Can't delete old parsed data for %s from %s.%s: ". | |
113 | "$DBI::errstr\n",$Period, | |
114 | $Conf{'DBDatabase'},$Conf{'DBTableParse'})); | |
115 | }; | |
116 | ||
117 | # read from DBTableRaw | |
118 | print "-------------- Reading data ... -------------\n" if $OptDebug; | |
119 | my $DBQuery = $DBHandle->prepare(sprintf("SELECT id, day, mid, peer, path, ". | |
120 | "newsgroups, headers, disregard ". | |
121 | "FROM %s.%s %s", $Conf{'DBDatabase'}, | |
122 | $Conf{'DBTableRaw'}, $SQLWhereClause)); | |
123 | $DBQuery->execute() | |
124 | or &Bleat(2,sprintf("Can't get data for %s from %s.%s: ". | |
125 | "$DBI::errstr\n",$Period, | |
126 | $Conf{'DBDatabase'},$Conf{'DBTableRaw'})); | |
127 | ||
128 | # set output and database connection to UTF-8 | |
129 | # as we're going to write decoded header contents containing UTF-8 chars | |
130 | binmode(STDOUT, ":utf8"); | |
131 | $DBHandle->do("SET NAMES 'utf8'"); | |
132 | ||
48c8d4bb TH |
133 | # create a list of supported encondings |
134 | my %LegalEncodings; | |
135 | foreach (Encode->encodings()) { | |
136 | $LegalEncodings{$_} = 1; | |
137 | } | |
6d72dad2 TH |
138 | # parse data in a loop and write it out |
139 | print "-------------- Parsing data ... -------------\n" if $OptDebug; | |
140 | while (my $HeadersR = $DBQuery->fetchrow_hashref) { | |
141 | my %Headers = %{$HeadersR}; | |
142 | ||
143 | # parse $Headers{'headers'} ('headers' from DBTableRaw) | |
48c8d4bb TH |
144 | # remove empty lines (that should not even exist in a header!) |
145 | $Headers{'headers'} =~ s/\n\s*\n/\n/g; | |
6d72dad2 TH |
146 | # merge continuation lines |
147 | # from Perl Cookbook, 1st German ed. 1999, pg. 91 | |
148 | $Headers{'headers'} =~ s/\n\s+/ /g; | |
149 | # split headers in single lines | |
150 | my $OtherHeaders; | |
151 | for (split(/\n/,$Headers{'headers'})) { | |
152 | # split header lines in header name and header content | |
48c8d4bb TH |
153 | my ($key,$value); |
154 | if ($_ =~ /:/) { | |
155 | ($key,$value) = split(/:/,$_,2); | |
156 | $key =~ s/\s*//; | |
157 | $value =~ s/^\s*(.+)\s*$/$1/; | |
158 | } else { | |
159 | &Bleat(1,sprintf("Illegal header line in %s.%s id %s: %s", | |
160 | $Conf{'DBDatabase'}, $Conf{'DBTableRaw'}, | |
161 | $Headers{'id'},$_)); | |
162 | next; | |
163 | } | |
164 | # check for empty (mandatory) fields from DBTableRaw | |
165 | # and set them from $Headers{'headers', if necessary | |
166 | if (lc($key) =~ /^(message-id|path|newsgroups)$/) { | |
167 | my $HeaderName = lc($key); | |
168 | $HeaderName = 'mid' if ($HeaderName eq 'message-id'); | |
169 | if (!defined($Headers{$HeaderName}) or $Headers{$HeaderName} eq '') { | |
170 | $Headers{$HeaderName} = $value; | |
171 | &Bleat(1,sprintf("Taking missing %s from 'headers' in %s.%s id %s.", | |
172 | $HeaderName, $Conf{'DBDatabase'}, $Conf{'DBTableRaw'}, | |
173 | $Headers{'id'})); | |
174 | } | |
175 | } | |
6d72dad2 TH |
176 | # save each header, separate database fields in %Headers, |
177 | # the rest in $OtherHeaders (but not Message-ID, Path, Peer | |
178 | # and Newsgroups as those do already exist) | |
179 | if (defined($DBFields{lc($key)})) { | |
180 | $Headers{$DBFields{lc($key)}} = $value; | |
181 | } else { | |
182 | $OtherHeaders .= sprintf("%s: %s\n",$key,$value) | |
183 | if lc($key) !~ /^(message-id|path|peer|newsgroups)$/; | |
184 | } | |
185 | } | |
186 | # replace old (now parsed) $Headers{'headers'} with remanining $OtherHeaders | |
187 | chomp($OtherHeaders); | |
188 | $Headers{'headers'} = $OtherHeaders; | |
189 | ||
9630376c TH |
190 | foreach ('from_','sender', 'replyto', 'subject') { |
191 | if ($Headers{$_}) { | |
192 | my $HeaderName = $_; | |
193 | $HeaderName =~ s/_$//; | |
194 | # decode From: / Sender: / Reply-To: / Subject: | |
195 | if ($Headers{$_} =~ /\?(B|Q)\?/) { | |
48c8d4bb TH |
196 | # check for legal encoding and decode |
197 | (my $Encoding) = $Headers{$_} =~ /\?([^?]+)\?(B|Q)\?/; | |
198 | $Headers{$HeaderName.'_parsed'} = decode('MIME-Header',$Headers{$_}) | |
199 | if (exists($LegalEncodings{$Encoding})); | |
9630376c TH |
200 | } |
201 | # extract name(s) and mail(s) from From: / Sender: / Reply-To: | |
202 | # in parsed form, if available | |
203 | if ($_ ne 'subject') { | |
204 | my @Address; | |
205 | # start parser on header or parsed header | |
206 | # @Address will have an array of Mail::Address objects, one for | |
207 | # each name/mail (you can have more than one person in From:!) | |
208 | if (defined($Headers{$HeaderName.'_parsed'})) { | |
209 | @Address = Mail::Address->parse($Headers{$HeaderName.'_parsed'}); | |
210 | } else { | |
211 | @Address = Mail::Address->parse($Headers{$_}); | |
212 | } | |
aef5467b TH |
213 | # split each Mail::Address object to @Names and @Adresses |
214 | my (@Names,@Adresses); | |
9630376c | 215 | foreach (@Address) { |
aef5467b TH |
216 | # take address part in @Addresses |
217 | push (@Adresses, $_->address()); | |
9630376c TH |
218 | # take name part form "phrase", if there is one: |
219 | # From: My Name <addr@ess> (Comment) | |
220 | # otherwise, take it from "comment": | |
221 | # From: addr@ess (Comment) | |
aef5467b TH |
222 | # and push it in @Names |
223 | my ($Name); | |
224 | $Name = $_->comment() unless $Name = $_->phrase; | |
225 | $Name =~ s/^\((.+)\)$/$1/; | |
226 | push (@Names, $Name); | |
9630376c | 227 | } |
aef5467b TH |
228 | # put all @Adresses and all @Names in %Headers as comma separated lists |
229 | $Headers{$HeaderName.'_address'} = join(', ',@Adresses); | |
230 | $Headers{$HeaderName.'_name'} = join(', ',@Names); | |
9630376c TH |
231 | } |
232 | } | |
233 | } | |
234 | ||
6d72dad2 TH |
235 | # order output for database entry: fill @SQLBindVars |
236 | print "-------------- Next entry:\n" if $OptDebug; | |
237 | my @SQLBindVars; | |
238 | foreach (@DBFields) { | |
239 | if (defined($Headers{$_}) and $Headers{$_} ne '') { | |
240 | push (@SQLBindVars,$Headers{$_}); | |
241 | printf ("FOUND: %s -> %s\n",$_,$Headers{$_}) if $OptDebug; | |
242 | } else { | |
243 | push (@SQLBindVars,undef); | |
244 | } | |
245 | } | |
246 | ||
247 | # write data to DBTableParse | |
248 | if (!$OptTest) { | |
249 | print "-------------- Writing data ... -------------\n" if $OptDebug; | |
250 | my $DBWrite = | |
251 | $DBHandle->prepare(sprintf("INSERT INTO %s.%s (%s) VALUES (%s)", | |
252 | $Conf{'DBDatabase'}, | |
253 | $Conf{'DBTableParse'}, | |
254 | # get field names from @DBFields | |
255 | join(', ',@DBFields), | |
256 | # create a list of '?' for each DBField | |
257 | join(', ', | |
258 | split(/ /,'? ' x scalar(@DBFields))) | |
259 | )); | |
260 | $DBWrite->execute(@SQLBindVars) | |
261 | or &Bleat(2,sprintf("Can't write parsed data for %s to %s.%s: ". | |
262 | "$DBI::errstr\n",$Period, | |
263 | $Conf{'DBDatabase'},$Conf{'DBTableParse'})); | |
264 | $DBWrite->finish; | |
265 | } | |
266 | }; | |
267 | $DBQuery->finish; | |
268 | ||
269 | ### close handles | |
270 | $DBHandle->disconnect; | |
271 | ||
272 | print "------------------- DONE! -------------------\n" if $OptDebug; | |
273 | __END__ | |
274 | ||
275 | ################################ Documentation ################################# | |
276 | ||
277 | =head1 NAME | |
278 | ||
279 | parsedb - parse raw data and save it to a database | |
280 | ||
281 | =head1 SYNOPSIS | |
282 | ||
283 | B<parsedb> [B<-Vht>] [B<--day> I<YYYY-MM-DD> | I<YYYY-MM-DD:YYYY-MM-DD>] [B<--rawdb> I<database table>] [B<--parsedb> I<database table>] [B<--conffile> I<filename>] [B<--debug>] | |
284 | ||
285 | =head1 REQUIREMENTS | |
286 | ||
287 | See L<doc/README>. | |
288 | ||
289 | =head1 DESCRIPTION | |
290 | ||
13e00610 TH |
291 | This script will parse raw, unstructured headers from a database table which is |
292 | fed from F<feedlog.pl> for a given time period and write its results to | |
293 | nother database table with separate fields (columns) for most (or even all) | |
294 | relevant headers. | |
295 | ||
296 | I<Subject:>, I<From:>, I<Sender:> and I<Reply-To:> will be parsed from MIME | |
297 | encoded words to UTF-8 as needed while the unparsed copy is kept. From that | |
298 | parsed copy, I<From:>, I<Sender:> and I<Reply-To:> will also be split into | |
299 | separate name(s) and address(es) fields while the un-splitted copy is kept, | |
300 | too. | |
301 | ||
302 | B<parsedb> should be run nightly from cron for yesterdays data so all | |
303 | other scripts get current information. The time period to act on defaults to | |
304 | yesterday, accordingly; you can assign another time period or a single day via | |
305 | the B<--day> option (see below). | |
6d72dad2 TH |
306 | |
307 | =head2 Configuration | |
308 | ||
13e00610 TH |
309 | B<parsedb> will read its configuration from F<newsstats.conf> |
310 | should be present in etc/ via Config::Auto or from a configuration file | |
311 | submitted by the B<--conffile> option. | |
312 | ||
313 | See L<doc/INSTALL> for an overview of possible configuration options. | |
314 | ||
315 | You can override configuration options via the B<--rawdb> and | |
316 | B<--parsedb> options, respectively. | |
6d72dad2 TH |
317 | |
318 | =head1 OPTIONS | |
319 | ||
320 | =over 3 | |
321 | ||
322 | =item B<-V>, B<--version> | |
323 | ||
324 | Print out version and copyright information and exit. | |
325 | ||
326 | =item B<-h>, B<--help> | |
327 | ||
328 | Print this man page and exit. | |
329 | ||
330 | =item B<--debug> | |
331 | ||
332 | Output (rather much) debugging information to STDOUT while processing. | |
333 | ||
334 | =item B<-t>, B<--test> | |
335 | ||
336 | Do not write results to database. You should use B<--debug> in | |
337 | conjunction with B<--test> ... everything else seems a bit pointless. | |
338 | ||
339 | =item B<-d>, B<--day> I<YYYY-MM-DD[:YYYY-MM-DD]> | |
340 | ||
341 | Set processing period to a single day in YYYY-MM-DD format or to a time | |
342 | period between two days in YYYY-MM-DD:YYYY-MM-DD format (two days, separated | |
343 | by a colon). | |
344 | ||
345 | Defaults to yesterday. | |
346 | ||
347 | =item B<--rawdb> I<table> (raw data table) | |
348 | ||
349 | Override I<DBTableRaw> from F<newsstats.conf>. | |
350 | ||
351 | =item B<--parsedb> I<table> (parsed data table) | |
352 | ||
353 | Override I<DBTableParse> from F<newsstats.conf>. | |
354 | ||
355 | =item B<--conffile> I<filename> | |
356 | ||
357 | Load configuration from I<filename> instead of F<newsstats.conf>. | |
358 | ||
359 | =back | |
360 | ||
361 | =head1 INSTALLATION | |
362 | ||
363 | See L<doc/INSTALL>. | |
364 | ||
365 | =head1 EXAMPLES | |
366 | ||
13e00610 TH |
367 | An example crontab entry: |
368 | ||
369 | 0 1 * * * /path/to/bin/parsedb.pl | |
370 | ||
371 | Do a dry run for yesterday's data, showing results of processing: | |
372 | ||
373 | parsedb --debug --test | less | |
6d72dad2 TH |
374 | |
375 | =head1 FILES | |
376 | ||
377 | =over 4 | |
378 | ||
379 | =item F<bin/parsedb.pl> | |
380 | ||
381 | The script itself. | |
382 | ||
383 | =item F<lib/NewsStats.pm> | |
384 | ||
385 | Library functions for the NewsStats package. | |
386 | ||
387 | =item F<etc/newsstats.conf> | |
388 | ||
389 | Runtime configuration file. | |
390 | ||
391 | =back | |
392 | ||
393 | =head1 BUGS | |
394 | ||
395 | Please report any bugs or feature requests to the author or use the | |
396 | bug tracker at L<http://bugs.th-h.de/>! | |
397 | ||
398 | =head1 SEE ALSO | |
399 | ||
400 | =over 2 | |
401 | ||
402 | =item - | |
403 | ||
404 | L<doc/README> | |
405 | ||
406 | =item - | |
407 | ||
408 | L<doc/INSTALL> | |
409 | ||
410 | =back | |
411 | ||
412 | This script is part of the B<NewsStats> package. | |
413 | ||
414 | =head1 AUTHOR | |
415 | ||
416 | Thomas Hochstein <thh@inter.net> | |
417 | ||
418 | =head1 COPYRIGHT AND LICENSE | |
419 | ||
420 | Copyright (c) 2013 Thomas Hochstein <thh@inter.net> | |
421 | ||
422 | This program is free software; you may redistribute it and/or modify it | |
423 | under the same terms as Perl itself. | |
424 | ||
425 | =cut |