]> Sergey Matveev's repositories - public-inbox.git/log
public-inbox.git
7 years agowww: do not mangle characters from search queries
Eric Wong [Tue, 23 May 2017 21:53:57 +0000 (21:53 +0000)]
www: do not mangle characters from search queries

Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
  https://public-inbox.org/meta/CACBZZX5Gnow08r=0A1J_kt3a=zpGyMfvsqu8nAN7kacNnDm+dg@mail.gmail.com/

7 years agowww: avoid undefined warnings for query string parsing
Eric Wong [Tue, 9 May 2017 20:43:33 +0000 (20:43 +0000)]
www: avoid undefined warnings for query string parsing

Sometimes bots generate malformed queries with sequential
"&" and ";" characters.

7 years agowatchmaildir: show $@ in warning message
Eric Wong [Tue, 9 May 2017 06:30:42 +0000 (06:30 +0000)]
watchmaildir: show $@ in warning message

It should be helpful to know what error happened.

7 years agosearchidx: use cached local $@ copy
Eric Wong [Tue, 9 May 2017 06:30:41 +0000 (06:30 +0000)]
searchidx: use cached local $@ copy

umask should never fail and set $@, but use the cached local
to be more explicit just in case.

7 years agospamassassin: update example ~/.spamassassin/user_prefs file
Eric Wong [Sun, 7 May 2017 00:46:46 +0000 (00:46 +0000)]
spamassassin: update example ~/.spamassassin/user_prefs file

This is closer to what I run on the public-inbox.org servers.

7 years agosearchidx: fix ghost root vivification
Eric Wong [Sun, 7 May 2017 10:49:00 +0000 (10:49 +0000)]
searchidx: fix ghost root vivification

Due to the asynchronous nature of SMTP, it is possible for the
root message of a thread (with no References/In-Reply-To)
to arrive last in a series.  We must preserve the thread_id
of the ghost message in this case, as we do when vivifiying
non-root ghosts.

Otherwise, this causes threads to be broken when the root
arrives last.

7 years agosearch: fix help message for searching within quotes
Eric Wong [Tue, 11 Apr 2017 23:39:54 +0000 (23:39 +0000)]
search: fix help message for searching within quotes

I'm not sure if people use either and it's not in mairix
(where we base our abbreviations off of).  Lets go
with the shorter prefix since it's easier-to-type.

7 years agolearn: scan all inboxes when learning spam
Eric Wong [Wed, 5 Apr 2017 01:41:28 +0000 (01:41 +0000)]
learn: scan all inboxes when learning spam

This matches the behavior of the -watch daemon since
6d534038285ddd760709ba76ea007f9108200097
("watch: watchspam affects all configured inboxes")

7 years agowatchmaildir: do not reject lowercase flags on Maildir files
Eric Wong [Tue, 4 Apr 2017 18:25:47 +0000 (18:25 +0000)]
watchmaildir: do not reject lowercase flags on Maildir files

Dovecot uses 'a'..'z' (lowercase) to designate keywords
in Maildir flags.  This was preventing certain messages
from being marked as spam.

https://wiki2.dovecot.org/MailboxFormat/Maildir

7 years agosearchview: show full (&x=t) messages in ascending chronlogical order
Eric Wong [Fri, 24 Mar 2017 01:41:11 +0000 (01:41 +0000)]
searchview: show full (&x=t) messages in ascending chronlogical order

When displaying search results with full messages, it makes
more sense to show them in ascending chronological order when
going by date.  Reverse chronological order makes more sense
for search results which only show the subject.

7 years agosearchview: add "t" id to link to thread overview
Eric Wong [Fri, 24 Mar 2017 00:15:08 +0000 (00:15 +0000)]
searchview: add "t" id to link to thread overview

At least for the thread view (&x=t); this will make it
easy to link to the overview.

7 years agoextmsg: use updated mail-archive.com URL
Eric Wong [Wed, 22 Mar 2017 02:14:19 +0000 (02:14 +0000)]
extmsg: use updated mail-archive.com URL

Apparently mid.mail-archive.com does not support HTTPS,
and the HTTP version redirects to the search query, anyways.

7 years agoview: escape HTML description name
Eric Wong [Tue, 14 Mar 2017 21:23:39 +0000 (21:23 +0000)]
view: escape HTML description name

Otherwise funky filenames can cause HTML injection
vulnerabilities (hope you have JavaScript disabled!)

7 years agowww: do not unescape PATH_INFO twice
Eric Wong [Tue, 14 Feb 2017 22:45:15 +0000 (22:45 +0000)]
www: do not unescape PATH_INFO twice

PSGI specs already require PATH_INFO to be unescaped;
so our tests were wrong, too.

7 years agot/mime: quiet warnings for old versions of Email::Simple
Eric Wong [Sun, 12 Feb 2017 02:41:22 +0000 (02:41 +0000)]
t/mime: quiet warnings for old versions of Email::Simple

This is fixed in the newest versions of Email::Simple,
but not the version in Debian jessie (2.203)

7 years agohandle repeated References and In-Reply-To headers
Eric Wong [Sat, 11 Feb 2017 23:54:48 +0000 (23:54 +0000)]
handle repeated References and In-Reply-To headers

It seems possible for git-send-email(1) to generate repeated
repeated instances of References and In-Reply-To headers,
as evidenced in:

https://public-inbox.org/git/20161111124541.8216-17-vascomalmeida@sapo.pt/raw

This causes a mismatch between how our search indexer threads
and how our HTML view handles threading.  In the future, View.pm
will use the smsg-parsed {references} field and avoid redoing
Email::MIME header parsing.

We will still need to figure out a way to deal with messages
with repeated Message-IDs, at some point, too.

7 years agoconfig: do not slurp lines into memory
Eric Wong [Wed, 8 Feb 2017 21:41:38 +0000 (21:41 +0000)]
config: do not slurp lines into memory

There's no need to hold everything in memory, here,
since apparently "foreach" will read everything at
once in array context

(for some reason, I thought Perl5 was smart enough
 to avoid creating a temporary array, here...)

7 years agoTODO: several updates
Eric Wong [Tue, 7 Feb 2017 22:27:52 +0000 (22:27 +0000)]
TODO: several updates

Always plenty to do while working on this...

7 years agosearch: schema version bump for empty References/In-Reply-To
Eric Wong [Mon, 6 Feb 2017 21:39:45 +0000 (21:39 +0000)]
search: schema version bump for empty References/In-Reply-To

We cannot distinguish between legitimate ghosts and mis-threaded
messages before commit 83425ef12e4b65cdcecd11ddcb38175d4a91d5a0
("searchidx: deal with empty In-Reply-To and References headers")
so we must rebuild the index in parallel to fix it.

7 years agoRevert "searchidx: reindex clobbers old thread IDs"
Eric Wong [Mon, 6 Feb 2017 21:37:26 +0000 (21:37 +0000)]
Revert "searchidx: reindex clobbers old thread IDs"

Oops, that's broken, too.  I guess the only way to reindex
after fixing the thread detection is to start from scratch.

This reverts commit 5d91adedf5f33ef1cb87df2a86306ddf370b4f8d.

7 years agosearchidx: reindex clobbers old thread IDs
Eric Wong [Mon, 6 Feb 2017 21:08:13 +0000 (21:08 +0000)]
searchidx: reindex clobbers old thread IDs

We cannot always reuse thread IDs since our threading
logic may change as bugs are fixed.

7 years agosearchidx: deal with empty In-Reply-To and References headers
Eric Wong [Mon, 6 Feb 2017 19:54:25 +0000 (19:54 +0000)]
searchidx: deal with empty In-Reply-To and References headers

In some messages, these headers exist, but have empty values.
Do not let empty values throw off our search indexer to tie
threads together, as it can make non-sensical threads grouped
to a Message-Id of "" (empty string).

See
<https://public-inbox.org/git/11340844841342-git-send-email-mailing-lists.git@rawuncut.elitemail.org/raw>
for an example of such a message.

Thanks-to: Johannes Schindelin <Johannes.Schindelin@gmx.de>
  <https://public-inbox.org/git/alpine.DEB.2.20.1702041206130.3496@virtualbox/>

7 years agosearchview: increase limit for displaying search results
Eric Wong [Mon, 6 Feb 2017 02:38:37 +0000 (02:38 +0000)]
searchview: increase limit for displaying search results

We are in no danger of excessive buffering or OOM-ing,
the main page for every inbox already loads 200 results;
and thread page views even load 1000!  Increase this to
200 for now.

7 years agosearchview: clarify numeric summary at bottom
Eric Wong [Mon, 6 Feb 2017 02:07:24 +0000 (02:07 +0000)]
searchview: clarify numeric summary at bottom

Xapian can only give estimated results when a result limit is
given to it, so make clear it is an estimate to avoid showing
non-sensical ranges when no results are returned.

7 years agoadd filter for Subject: tags
Eric Wong [Thu, 26 Jan 2017 02:09:36 +0000 (02:09 +0000)]
add filter for Subject: tags

Some mailing lists add annoying tags into the Subject line which
discourages readers from doing proper mail organization on the
client side.  They also waste precious screen space and
attention span.

Remove them from our archives to reduce clutter.

7 years agowatchmaildir: allow arguments for filters
Eric Wong [Wed, 25 Jan 2017 21:39:06 +0000 (21:39 +0000)]
watchmaildir: allow arguments for filters

We'll want to allow some degree of configuration for
various mailing lists.

7 years agowatchmaildir: limit live importer processes
Eric Wong [Wed, 18 Jan 2017 19:13:09 +0000 (19:13 +0000)]
watchmaildir: limit live importer processes

We don't want to be triggering OOM or swapping on weaker
systems when we have dozens of inboxes as potential targets.

7 years agolearn: implement "rm" only functionality
Eric Wong [Thu, 19 Jan 2017 00:31:30 +0000 (00:31 +0000)]
learn: implement "rm" only functionality

Do not consider this interface stable, but I just needed a
way to remove mis-imported multipart messages so
public-inbox-watch could pick them up again from my Maildir.

7 years agomime: avoid SUPER usage in Email::MIME subclass
Eric Wong [Wed, 18 Jan 2017 23:50:57 +0000 (23:50 +0000)]
mime: avoid SUPER usage in Email::MIME subclass

We must call Email::Simple methods directly in our monkey patch
for Email::MIME to call the intended method.  Using SUPER in our
subclass would instead hit a different, unintended method in
Email::MIME.

Reported-by: Junio C Hamano <gitster@pobox.com>
<xmqq4m0wb43w.fsf@gitster.mtv.corp.google.com>

7 years agoinbox: reinstate periodic cleanup of Xapian and SQLite objects
Eric Wong [Wed, 11 Jan 2017 10:13:00 +0000 (10:13 +0000)]
inbox: reinstate periodic cleanup of Xapian and SQLite objects

We may need to do this even more aggressively, since the
Xapian database does not always give the latest results.
This time, we'll do it without relying on weak references,
and instead check refcounts.

7 years agointroduce PublicInbox::MIME wrapper class
Eric Wong [Tue, 10 Jan 2017 21:40:37 +0000 (21:40 +0000)]
introduce PublicInbox::MIME wrapper class

This should fix problems with multipart messages where
text/plain parts lack a header.

cf. git clone --mirror https://github.com/rjbs/Email-MIME.git
    refs/pull/28/head

In the future, we may still introduce as streaming
interface to reduce memory usage on large emails.

7 years agoinbox: properly register cleanup timer for git processes
Eric Wong [Sat, 7 Jan 2017 02:10:23 +0000 (02:10 +0000)]
inbox: properly register cleanup timer for git processes

We still need to cleanup git processes occasionally, since
"git cat-file --batch" does not release old packs (and
git processes are fairly expensive).

For SQLite and Xapian file handles, they should be capable
of managing themselves without too much trouble, so lets
try keeping them for the lifetime of a process.

7 years agosearch: remove subject_summary
Eric Wong [Sat, 7 Jan 2017 01:44:52 +0000 (01:44 +0000)]
search: remove subject_summary

Apparently it never actually got used, and the world seems
fine without it, so we can drop it.

While we're at it, consider removing our subject_path
usage from existence, too.  We are not using fancy subject-line
based URLs, here.

7 years agosearchmsg: favor direct hash access over accessor methods
Eric Wong [Sat, 7 Jan 2017 01:44:51 +0000 (01:44 +0000)]
searchmsg: favor direct hash access over accessor methods

This is faster, smaller, and more straighforward to me with
fewer layers of indirection.

7 years agoremove incorrect comment about strftime + locales
Eric Wong [Sat, 7 Jan 2017 01:44:50 +0000 (01:44 +0000)]
remove incorrect comment about strftime + locales

We only need strftime to be locale-independent when generating
dates for email and HTTP headers.  Purely numeric dates can
use strftime for ease-of-readability.

7 years agoconfig: allow per-inbox nntpserver
Eric Wong [Sat, 7 Jan 2017 01:44:49 +0000 (01:44 +0000)]
config: allow per-inbox nntpserver

This allows certain inboxes to override the global nntpserver
(perhaps under a different domain).

7 years agoinbox: eliminate weaken usage entirely
Eric Wong [Sat, 7 Jan 2017 01:44:48 +0000 (01:44 +0000)]
inbox: eliminate weaken usage entirely

We can do a better job initializing the data structure
so we no longer need to rely on weak references to cleanup
when we ditch the config on reload.

7 years agoinbox: describe the full key name
Eric Wong [Sat, 7 Jan 2017 01:44:47 +0000 (01:44 +0000)]
inbox: describe the full key name

Hopefully make this easier for future generations to understand.

7 years agoconfig: remove unused get() method
Eric Wong [Sat, 7 Jan 2017 01:44:46 +0000 (01:44 +0000)]
config: remove unused get() method

This seems like an unnecessary abstraction, or an abstraction
on the wrong level.

7 years agoconfig: always use namespaced "publicinboxlimiter"
Eric Wong [Sat, 7 Jan 2017 01:44:45 +0000 (01:44 +0000)]
config: always use namespaced "publicinboxlimiter"

I'm not sure if we'll ever support sharing a config file
with other tools, but maybe we will, and "limiter" is
too generic.

7 years agoqspawn: prepare to support runtime reloading of Limiter
Eric Wong [Sat, 7 Jan 2017 01:44:44 +0000 (01:44 +0000)]
qspawn: prepare to support runtime reloading of Limiter

We may allow the {max} value of a limiter to be changed
in the future, so lets start accounting for it before we
spawn followup processes.

7 years agohttp: remove weaken usage, reduce anonsub capture scope
Eric Wong [Wed, 4 Jan 2017 11:20:51 +0000 (11:20 +0000)]
http: remove weaken usage, reduce anonsub capture scope

Avoiding weaken here is no more dangerous than the existing
circular refs (e.g. psgix.io) we create and manage throughout
the lifetime of the connection.  So, trust ourselves to maintain
the data structure properly and avoid triggering extra memory
usage.

While we're at it, avoid having anonymous subroutines capture
more variables than necessary to simplify reference auditing.

7 years agohttpd/async: remove weaken usage
Eric Wong [Wed, 4 Jan 2017 11:20:50 +0000 (11:20 +0000)]
httpd/async: remove weaken usage

We do not need to use weaken() here, so avoid it to simplify our
interactions with Perl; as weaken requires additional storage
and (it seems) time complexity.

7 years agohttp: fix spelling error
Eric Wong [Wed, 4 Jan 2017 11:20:49 +0000 (11:20 +0000)]
http: fix spelling error

Oops.  And we'll be fixing circular references from now...

7 years agowatch: watchspam affects all configured inboxes
Eric Wong [Mon, 2 Jan 2017 13:16:15 +0000 (13:16 +0000)]
watch: watchspam affects all configured inboxes

If a message is spam in one mailbox, it is spam in all others a
particular user/group will care about.

7 years agodoc: minor updates to design notes
Eric Wong [Mon, 26 Dec 2016 21:41:15 +0000 (21:41 +0000)]
doc: minor updates to design notes

ssoma is not worth marketing, but perhaps our mirror of
the git mailing list archives is...

7 years agoevcleanup: ensure deferred close from timers are handled ASAP
Eric Wong [Mon, 26 Dec 2016 03:05:15 +0000 (03:05 +0000)]
evcleanup: ensure deferred close from timers are handled ASAP

Danga::Socket defers close() syscalls until the end of the event
loop to avoid FD recycling.  Unfortunately, this is dependent on
IO events firing and waking the process up from
poll/kevent/epoll_wait.

Without any I/O activity, a socket could remain in the
@Danga::Socket::ToClose array indefinitely.  Thus, we will
trigger a fake IO event after running all timers to trigger
the deferred close in Danga::Socket::PostEventLoop.

7 years agohttpd/async: improve variable naming
Eric Wong [Sun, 25 Dec 2016 08:09:48 +0000 (08:09 +0000)]
httpd/async: improve variable naming

We only refer to PublicInbox::HTTP objects here, so '$io'
was a bad name.

7 years agogithttpbackend: minor cleanups to improve readability
Eric Wong [Sun, 25 Dec 2016 07:33:02 +0000 (07:33 +0000)]
githttpbackend: minor cleanups to improve readability

Fewer returns improves readability and the diffstat agrees.

7 years agogithttpbackend: simplify compatibility code
Eric Wong [Sun, 25 Dec 2016 06:52:03 +0000 (06:52 +0000)]
githttpbackend: simplify compatibility code

Fewer conditionals means theres fewer code paths to test
and makes things easier-to-read.

7 years agogithttpbackend: minor readability improvement
Eric Wong [Sun, 25 Dec 2016 06:39:13 +0000 (06:39 +0000)]
githttpbackend: minor readability improvement

Use a more meaningful variable name for the Qspawn
object, since this module is the reference for its
use.

7 years agohttp: fix clobbering of $null_io
Eric Wong [Sun, 25 Dec 2016 09:40:25 +0000 (09:40 +0000)]
http: fix clobbering of $null_io

Oops, this would be disatrous if we started handling
bigger request bodies or slow clients.

Fixes: c008654229a9 ("avoid IO::File for anonymous temporary files")
7 years agolinkify: modify argument in place
Eric Wong [Sat, 24 Dec 2016 11:52:44 +0000 (11:52 +0000)]
linkify: modify argument in place

This results in over 1% speedup doing $MESSAGE_ID/T/ HTML
generation for a 368-message thread.

7 years agoview: do not modify array during iteration
Eric Wong [Sat, 24 Dec 2016 11:52:43 +0000 (11:52 +0000)]
view: do not modify array during iteration

This results in a half percent speedup or so doing
$MESSAGE_ID/T/ HTML generation for a 368 message thread.

7 years agoview: stop chomping off whitespace at ends of messages
Eric Wong [Sat, 24 Dec 2016 11:52:42 +0000 (11:52 +0000)]
view: stop chomping off whitespace at ends of messages

This allows a 3-4% speedup in $MESSAGE_ID/T/ page generation
speed for a 368+ message thread.  It also more faithfully
preserves the message as intended; even if the it makes the
sender look like a space-wasting slob :P

7 years agoview: remove unused parameter
Eric Wong [Sat, 24 Dec 2016 11:52:41 +0000 (11:52 +0000)]
view: remove unused parameter

And add a comment about it to remind our future selves.

7 years agosearch: lookup_mail handles modified DBs
Eric Wong [Thu, 22 Dec 2016 08:00:26 +0000 (08:00 +0000)]
search: lookup_mail handles modified DBs

We call lookup_mail all over the place, be sure we can handle
database modifications in those cases.

7 years agodoc: various comments on async handling
Eric Wong [Thu, 22 Dec 2016 07:29:17 +0000 (07:29 +0000)]
doc: various comments on async handling

Notes for future developers (myself included) since we
can't assume people can read my mind.

7 years agosearchthread: simplify API and remove needless OO
Eric Wong [Tue, 20 Dec 2016 23:42:36 +0000 (23:42 +0000)]
searchthread: simplify API and remove needless OO

This simplifies callers to prevent errors and avoids
needless object-orientation in favor of a single procedure
call to handle threading and ordering.

7 years agosearchthread: update comment about loop prevention
Eric Wong [Tue, 20 Dec 2016 23:42:35 +0000 (23:42 +0000)]
searchthread: update comment about loop prevention

It definitely is necessary to prevent looping with the
%seen hash.

7 years agosearchmsg: remove ensure_metadata
Eric Wong [Tue, 20 Dec 2016 03:03:57 +0000 (03:03 +0000)]
searchmsg: remove ensure_metadata

Instead, only preload the ->mid field for threading,
as we only need ->thread and ->path once in Search->get_thread
(but we will need the ->mid field repeatedly).

This more than doubles View->load_results performance on
according to thread-all on an inbox with over 300K messages.

7 years agotests: add thread-all testing for benchmarking
Eric Wong [Tue, 20 Dec 2016 03:03:56 +0000 (03:03 +0000)]
tests: add thread-all testing for benchmarking

I'll be using this to improve message threading performance.

7 years agosearchmsg: do not memoize {date} field
Eric Wong [Sat, 17 Dec 2016 12:04:11 +0000 (12:04 +0000)]
searchmsg: do not memoize {date} field

We only generate the ->date once in NNTP, so creating
the hash entry is a waste.

7 years agosearchmsg: remove locale-dependency for ->date
Eric Wong [Sat, 17 Dec 2016 12:04:10 +0000 (12:04 +0000)]
searchmsg: remove locale-dependency for ->date

strftime is locale-dependent, which can cause surprising
failures for some users.

7 years agot/config.t: fix feedmax default
Eric Wong [Sat, 17 Dec 2016 05:50:30 +0000 (05:50 +0000)]
t/config.t: fix feedmax default

Oops :x

7 years agowwwtext: link to RFC4685 (Atom Threading)
Eric Wong [Wed, 14 Dec 2016 21:00:13 +0000 (21:00 +0000)]
wwwtext: link to RFC4685 (Atom Threading)

This should give this feature some more visibility.

7 years agoatom: implement message threading per RFC 4685
Eric Wong [Tue, 13 Dec 2016 02:33:30 +0000 (02:33 +0000)]
atom: implement message threading per RFC 4685

This will allows certain feed readers to render a message thread
as described in <https://www.jwz.org/doc/threading.html>.

Feed readers with knowledge of of RFC 4685 are unknown to us at
this time, but perhaps this will encourage future implementations.

Existing feed readers I've tested (newsbeuter, feed2imap) seem
to ignore these tags gracefully without degradation.

7 years agofeed: support publicinbox.<name>.feedmax
Eric Wong [Sat, 17 Dec 2016 04:27:52 +0000 (04:27 +0000)]
feed: support publicinbox.<name>.feedmax

This allows users to customize by using smaller or larger Atom
feeds than the default value of 25 entries.

7 years agoTODO: note IO::KQueue for the ticket
Eric Wong [Wed, 14 Dec 2016 23:53:06 +0000 (23:53 +0000)]
TODO: note IO::KQueue for the ticket

Do not require users to have network access to know what
the link refers to.

7 years agot/thread-cycle: no need for Xapian to run this test
Eric Wong [Wed, 14 Dec 2016 19:28:53 +0000 (19:28 +0000)]
t/thread-cycle: no need for Xapian to run this test

We don't actually use anything from SearchMsg,
just the class name.

7 years agowwwtext: remove outdated comment
Eric Wong [Wed, 14 Dec 2016 20:58:00 +0000 (20:58 +0000)]
wwwtext: remove outdated comment

I originally envisioned wwwtext being more flexible and able to
serve arbitrary blobs; but at this point I consider it redundant
and public-inbox is not wiki software.

7 years agosearchmsg: remove unused EPOCH_822 constant
Eric Wong [Tue, 13 Dec 2016 03:10:13 +0000 (03:10 +0000)]
searchmsg: remove unused EPOCH_822 constant

This hasn't been needed since our Email::Abstract removal
for message threading.

7 years agonntp: avoid useless use of strftime
Eric Wong [Tue, 13 Dec 2016 03:10:12 +0000 (03:10 +0000)]
nntp: avoid useless use of strftime

There's no need to use strftime if we'll be converting the date
by hand, anyways.

7 years agonntp: add test case for the "DATE" command
Eric Wong [Tue, 13 Dec 2016 03:10:11 +0000 (03:10 +0000)]
nntp: add test case for the "DATE" command

We may not always use strftime and may implement caching.
But for now, just add a test.

7 years agodaemon: set $now time for NNTP shutdown
Eric Wong [Mon, 12 Dec 2016 12:14:02 +0000 (12:14 +0000)]
daemon: set $now time for NNTP shutdown

commit 6e238ee3396719e578d6a90e177a71ce9f8c1ca0
("nntp: respect 3 minute idle time for shutdown")
was incomplete, and needed this change to Daemon
to be effective.

In the future, there will be more common code between
NNTP.pm and HTTP.pm

7 years agodoc: simplify makefile snippet
Eric Wong [Mon, 12 Dec 2016 12:07:21 +0000 (12:07 +0000)]
doc: simplify makefile snippet

We have these manpages, and will always have them, so stop
trying to pretend we're doing something about maintainability,
here.

7 years agoinit: preserve permissions of existing config file
Eric Wong [Mon, 12 Dec 2016 12:02:45 +0000 (12:02 +0000)]
init: preserve permissions of existing config file

This matches git-config(1) behavior, and implied user
intent when it comes to programatically editing files.

7 years agosearch: retry document loading from Xapian
Eric Wong [Sat, 10 Dec 2016 23:35:43 +0000 (23:35 +0000)]
search: retry document loading from Xapian

In addition to needing to retry enquire queries, we also need
to protect document loading from the Xapian DB and retry on
modification, as it seems to throw the same errors.

Checking the $@ ref for Search::Xapian::DatabaseModifiedError
is actually in the test suite for both the XS and SWIG Xapian
bindings, so we should be good as far as forward/backwards
compatibility.

7 years agosearch: always sort thread results in ascending time order
Eric Wong [Sat, 10 Dec 2016 01:09:51 +0000 (01:09 +0000)]
search: always sort thread results in ascending time order

This makes life easier for the threading algorithm, as we can
use the implied ordering of timestamps to avoid temporary ghosts
and resulting container vivication.

This would've also allowed us to hide the bug (in most cases)
fixed by the patch titled "thread: last Reference always wins",
in case that needs to be reverted due to infinite looping.

7 years agothread: last Reference always wins
Eric Wong [Sat, 10 Dec 2016 01:09:50 +0000 (01:09 +0000)]
thread: last Reference always wins

Since we use SearchMsg from Xapian data, we can be
assured we do not get self-referential {references}
field.

However, we may need to be more careful when checking
has_descendent for loops, as blindly calling add_child
could open us up to that possibility...

7 years agoview: skip ghosts with no direct children
Eric Wong [Sat, 10 Dec 2016 01:09:49 +0000 (01:09 +0000)]
view: skip ghosts with no direct children

Otherwise, a malicious or broken client could populate the
thread skeleton with invalid References.  We only care about
ghosts which messages correctly refer to, not totally bogus ones
which may be the result of long line or token truncation +
wrapping in MUA headers.

7 years agoview: reduce indentation for skeleton generation
Eric Wong [Sat, 10 Dec 2016 01:09:48 +0000 (01:09 +0000)]
view: reduce indentation for skeleton generation

This should reduce the number of subroutine calls needed
for the common case of real (non-ghost) messages as well
as shortening code.

7 years agothread: fix comment describing its existence
Eric Wong [Sat, 10 Dec 2016 01:09:47 +0000 (01:09 +0000)]
thread: fix comment describing its existence

Mail::Thread is UNavailable on many distros, meaning ordinary
users will have to rely on CPAN, a Perl-specific packaging tool.

7 years agoview: favor SearchMsg for In-Reply-To over Email::MIME
Eric Wong [Sat, 10 Dec 2016 03:21:29 +0000 (03:21 +0000)]
view: favor SearchMsg for In-Reply-To over Email::MIME

This should avoid warnings during thread skeleton generation if
ever the Xapian database disagrees with View.pm about which is
the proper direct parent of a message.  We will treat the data
in Xapian as the truth (if Xapian is available).

7 years agosearch: favor In-Reply-To over last References iff IRT exists
Eric Wong [Sat, 10 Dec 2016 01:09:46 +0000 (01:09 +0000)]
search: favor In-Reply-To over last References iff IRT exists

Some email clients set the References headers backwards, so
trust the In-Reply-To header if (and only if) it exists and
is parseable as direct parent of the current message.

For affected repos, this will require reindexing (via
"public-inbox-index --reindex"), but there will be no
version bump for this bugfix.

7 years agolinkify: implement Markdown link compatibility (again)
Eric Wong [Tue, 6 Dec 2016 23:40:33 +0000 (23:40 +0000)]
linkify: implement Markdown link compatibility (again)

Although unescaped parentheses in URLs are technically allowed,
they are uncommon.  However, Markdown-like syntaxes are
unfortunately common for URLs, so we might as well support them.

This fixes parentheses detection at sentence endings, as seen
in practice on emails.

7 years agoRevert "linkify: implement Markdown link compatibility"
Eric Wong [Tue, 6 Dec 2016 23:15:02 +0000 (23:15 +0000)]
Revert "linkify: implement Markdown link compatibility"

This reverts commit 130d0c4e33c5c73dc69e270fc698735d49e0f159.

7 years agolinkify: implement Markdown link compatibility
Eric Wong [Tue, 6 Dec 2016 23:01:39 +0000 (23:01 +0000)]
linkify: implement Markdown link compatibility

Although unescaped parentheses in URLs are technically allowed,
they are uncommon.  However, Markdown-like syntaxes are
unfortunately common for URLs, so we might as well support them.

7 years agoatom: switch to getline/close for response bodies
Eric Wong [Sat, 3 Dec 2016 00:24:06 +0000 (00:24 +0000)]
atom: switch to getline/close for response bodies

This will let us stream larger Atom documents bodies without
wasting too much memory and reduce the amount of round-trip
requests needed to get necessary information.

Hopefully clients are using streaming (SAX) parsers, too.

This is the final transition in the core public-inbox
code to allow migrating to a "pull"-based body streaming
scheme which allows a HTTP server to respond appropriately
to backpressure from slow clients.

7 years agowwwstream: improve documentation and variable naming
Eric Wong [Sat, 3 Dec 2016 00:24:05 +0000 (00:24 +0000)]
wwwstream: improve documentation and variable naming

Hopefully this makes the code more readable for newbies.

7 years agosearchview: fix <title> tag in Atom feed
Eric Wong [Sat, 3 Dec 2016 00:24:51 +0000 (00:24 +0000)]
searchview: fix <title> tag in Atom feed

This only affects the Atom feed for search results.
"xmlstarlet val" failed to detect or warn about this,
and I only noticed this bug while working on another
patch.

7 years agonote the source code is AGPL for cloning
Eric Wong [Tue, 29 Nov 2016 21:40:35 +0000 (21:40 +0000)]
note the source code is AGPL for cloning

This should be adequate warning for folks who may be
uncomfortable or uncertain about even possessing AGPL
source code due to employer agreements and such.

Disclaimer: I remain completely in favor of AGPL and strong
copyleft, and am more than willing to risk my own future on it.
However, I refuse to even nudge people into downloading AGPL
source code if it presents any legal risk to them.

7 years agoavoid IO::File for anonymous temporary files
Eric Wong [Sat, 26 Nov 2016 08:52:50 +0000 (08:52 +0000)]
avoid IO::File for anonymous temporary files

We do not need to import IO::File into the main programs
since Perl 5.8+ supports literal "undef" for generating
anonymous temporary file handles.

7 years agogithttpbackend: error checking for input handling
Eric Wong [Sat, 26 Nov 2016 08:34:34 +0000 (08:34 +0000)]
githttpbackend: error checking for input handling

This was sloppy code, all calls need to be checked
for failure.

7 years agoview: fix spaces in mailto: link
Eric Wong [Tue, 22 Nov 2016 02:49:40 +0000 (02:49 +0000)]
view: fix spaces in mailto: link

Some mail clients do not seem to handle '+' as a space in query
parameters for the mail subject, use the more common '%20' for
compatibility.

7 years agoindex: allow indexing before configuration
Eric Wong [Fri, 4 Nov 2016 21:11:35 +0000 (21:11 +0000)]
index: allow indexing before configuration

One may build the initial index on a powerful host and transfer
it to a weaker one for incremental indexing.  Thus there is
no requirement to have a configured public-inbox for building
the index unless a user needs altid support or some such.

8 years agoimport: failed GC runs are non-fatal
Eric Wong [Sun, 16 Oct 2016 00:36:14 +0000 (00:36 +0000)]
import: failed GC runs are non-fatal

We should not completely kill a process if "git gc --auto"
errors out due to a warning or whatnot.

8 years agothread: reinstates stable ordering when ghosts are present
Eric Wong [Fri, 14 Oct 2016 09:00:01 +0000 (09:00 +0000)]
thread: reinstates stable ordering when ghosts are present

This reverts commit 3c9dd6619f825f0515e7e4afa1bd55c99c1a68d3
("thread: fix sorting without topmost")
and reinstates the "topmost" routine for sorting purposes.

8 years agothread: fix parent/child relationships
Eric Wong [Thu, 13 Oct 2016 03:59:03 +0000 (03:59 +0000)]
thread: fix parent/child relationships

The ordering change in add_child is critical if $self == $parent
as the {children} hash was lost before this change.

has_descendent can be simplified by walking upwards from the child
instead of downwards from the parent.

This fixes threading regressions introduced in
commit 30100c46326e2eac275e0af13116636701d2537e
("thread: use hash + array instead of hand-rolled linked list")

8 years agothread: reduce indentation level
Eric Wong [Thu, 13 Oct 2016 03:59:02 +0000 (03:59 +0000)]
thread: reduce indentation level

This should reduce differences from the original Mail::Thread
code and hopefully make things easier-to-follow.