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I didn't wait until September to do it, this year!
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It'll always be used as a callback, so there's no point in
giving it a name to be called non-anonymously. Making
assigments to it is slightly faster since there's no need
to repeatedly do a lookup by name.
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Pass \&coderefs explicitly to walk_thread, and add some
prototypes + comments to describe what goes on.
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This saves us a few comments and confusion. Yes, it's a
destination so "dst" can be appropriate, but we may be using
that term elsewhere.
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There's a bunch of leftover "require" and "use" statements we no
longer need and can get rid of, along with some excessive
imports via "use".
IO::Handle usage isn't always obvious, so add comments
describing why a package loads it. Along the same lines,
document the tmpdir support as the reason we depend on
File::Temp 0.19, even though every Perl 5.10.1+ user has it.
While we're at it, favor "use" over "require", since it it gives
us extra compile-time checking.
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This allows callers to pass named (not anonymous) subs.
Update all retry_reopen callers to use this feature, and
fix some places where we failed to use retry_reopen :x
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We don't need to return a closure or have a separate hash
for sorting threads by relevance. Instead, we can stuff
the relevance {pct} into the SearchMsg object itself and
use that.
Note: upon reviewing this code, the sort-by-relevance seems
bogus as it only considers the relevance of the topmost message.
Instead, it would make more sense to the user to sort by the
highest relevance of all messages in that particular thread.
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Both WwwStream and WwwAtomStream ->response pass the WWW $ctx
to the callback nowadays, so we can pass named subs to them.
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Displaying "100%" wastes a precious column. Show "99%" instead
since there's little practical difference and <xapian/mset.h>
states:
Note that these generally aren't percentages of anything meaningful
(unless you use a custom weighting formula where they are!)
And we're not using a custom weighting formula.
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Instead of only passing an Inbox object, we'll pass the $ctx
reference as PublicInbox::SearchView::mset_thread did.
So although mset_thread was wrong, we now make it's usage
of SearchThread::thread correct and update other callers to
favor the new style of passing the entire $ctx (with ->{-inbox})
instead of just the Inbox object.
This makes the thread skeleton at the bottom of the search
page to show subjects of messages, but unfortunately links to
non-existent #anchors. The next commit will fix that.
While we're at it, favor "\&foo" over "*foo" since the former
makes the code reference (aka "function pointer) obvious so it
won't be confused for other things named "foo" in that
scope (e.g. $foo/@foo/%foo).
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Displaying full path names of installed modules could expose
unnecessary information about user home directory names or other
potentially sensitive information. However, displaying a module
name could still be useful for diagnosing problems, so map full
paths to the relevant part of the path name which is relevant to
the package name.
Reported-by: Ali Alnubani <alialnu@mellanox.com>
https://public-inbox.org/meta/20190611193815.c4uovtlp574bid6x@dcvr/
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I could not find a place to put the link the top without
making navigation too cluttered. Putting it at the bottom
of the page seems reasonable...
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Taking a hint from Perl array access, we'll allow negative
offsets for the 'o' parameter and to reverse the sort order.
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Non-ASCII digits would be interpreted as zero when used as integers.
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We don't need to rely on Xapian search functionality for the
majority of the WWW code, even. subject_normalized is moved to
SearchMsg, where it (probably) makes more sense, anyways.
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Empty subjects ("") and undefined Subjects: are now both
displayed as "(no subject)" for now.
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'$inbox' is more human-readable, so that is for the more
human-readable name in most cases. Making our variable naming
more consistent should make the code easier-to-review and
harder to screw up.
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Unused since commit 5f09452bb7e6cf49fb6eb7e6cf166a7c3cdc5433
("view: cull redundant phrases in subjects")
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It's ugly and all of our other parameters are omitted
when values are not the default.
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* origin/master:
nntp: allow and ignore empty commands
mbox: do not barf on queries which return no results
nntp: fix NEWNEWS command
searchview: fix non-numeric comparison
Allow specification of the number of search results to return
githttpbackend: avoid infinite loop on generic PSGI servers
http: fix modification of read-only value
extmsg: use news.gmane.org for Message-ID lookups
extmsg: rework partial MID matching to favor current inbox
Update the installation instructions with Fedora package names
nntp: do not drain rbuf if there is a command pending
nntp: improve fairness during XOVER and similar commands
searchidx: do not modify Xapian DB while iterating
Don't use LIMIT in UPDATE statements
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$mset->size is probably more obvious than relying on a tied
array and saves us a line.
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Having zero search results means we never get a chance
to populate the Content-Disposition header for mbox
downloads.
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We don't want non-fully-numeric limits being compared and
tripping warnings. While we're at it, avoid hard-coding
'200' and reuse $LIM as the default.
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Add an "l=" parameter to the search query syntax to specify how many
results should be returned.
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Too many similar functions doing the same basic thing was
redundant and misleading, especially since Message-ID is
no longer treated as a truly unique identifier.
For displaying threads in the HTML, this makes it clear
that we favor the primary Message-ID mapped to an NNTP
article number if a message cannot be found.
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Since we need to handle messages with multiple and duplicate
Message-ID headers, our thread skeleton display must account
for that.
Since we have a "preferred" Message-ID in case of conflicts,
use it as the UUID in an Atom feed so readers do not get
confused by conflicts.
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We do not need many of these, anymore.
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We want to rely on Date: to sort messages within individual
threads since it keeps messages from git-send-email(1) sorted.
However, since developers occasionally have the clock set
wrong on their machines, sort overall messages by the newest
date in a Received: header so the landing page isn't forever
polluted by messages from the future.
This also gives us determinism for commit times in most cases,
as we'll used the Received: timestamp there, as well.
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Using update-copyrights from gnulib
While we're at it, use the SPDX identifier for AGPL-3.0+ to
ease mechanical processing.
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This should prevent crawlers (including most robots.txt ignoring
ones) from burning our CPU time without severely compromising
usability for humans.
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Some search results are gigantic, and search engines are
unlikely to be able to handle gzipped mboxes anyways.
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Allowing downloading of all search results as an gzipped mboxrd
file can be convenient for some users.
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We want to be consistent with the view change in
commit b223e6f49debb99b9132bc85d97a065ebcee00b9
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Since we attempt to fill in threads by Subject, our thread
skeletons can cross actual thread IDs, leading to the
possibility of false ghosts showing up in the skeleton.
Try to fill in the ghosts as well as possible by performing
a message lookup.
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We will also treat all known list addresses as non-obfuscated.
By setting publicinbox.noObfuscate in ~/.public-inbox/config,
this will allow users to disable address obfuscation on a
per-domain or per-address basis.
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This is lightly-tested and seems to work. I'm still
hesitant to support this, but the alternative of receiving death
threats for displaying unobfuscated addresses seems to
be not worth it.
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It is possible to have double-escaped queries when copy and
pasting into browsers, so try to help users work around this
common error by automatically retrying after unescaping once.
Of course, we must inform the user when doing this results in
success, in case they really meant to search for a
double-escaped term which resulted in nothing.
Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
https://public-inbox.org/meta/CACBZZX5Gnow08r=0A1J_kt3a=zpGyMfvsqu8nAN7kacNnDm+dg@mail.gmail.com/
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Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
https://public-inbox.org/meta/CACBZZX5Gnow08r=0A1J_kt3a=zpGyMfvsqu8nAN7kacNnDm+dg@mail.gmail.com/
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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.
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At least for the thread view (&x=t); this will make it
easy to link to the overview.
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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.
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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.
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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.
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This simplifies callers to prevent errors and avoids
needless object-orientation in favor of a single procedure
call to handle threading and ordering.
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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.
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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.
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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.
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This reverts commit 3c9dd6619f825f0515e7e4afa1bd55c99c1a68d3
("thread: fix sorting without topmost")
and reinstates the "topmost" routine for sorting purposes.
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This bug was hidden, and we may not be able to efficiently
implement a topmost subroutine with the hash-based (vs
linked-list) based container for threading in the next
commit.
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