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but sync comes first). This way we get the ACL transferred.
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properly trims edited posts before signing so signature verification …
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by postponing code that removes the attachment tag from the body
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that attachments get the correct permissions when private mentions are used.
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queries.
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body text. It could be any one of hundreds of functions that touch the message body. We really want to trim the body text, so I'm putting back all the trim statements - in mod/item and item_store and item_store_update. The last fix for random bad sigs noted that one of the trims wasn't there, so the others were removed. The correct fix is for all the trims to be there. We will probably have a few (quite a few) bad sigs during the transition back to trimmed text but this should nail it for anybody on recent code and with new content.
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in archive.org - which has the complete unescaped target url, scheme and all, as part of its own.
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searches. This does not incorporate any other flag optimisations as that will require a major DB update and possibly involve significant downtime. This is just to bite off a little chunk now and provide some much needed relief.
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warning resulting from recent tag work
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isn't always appropriate to apply this to all channels in an account.
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from diaspora2bb a couple weeks back as it was affecting diaspora input, but here we're dealing with red input only)
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the channels
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Conflicts:
boot.php
include/dba/dba_driver.php
include/diaspora.php
include/follow.php
include/session.php
include/zot.php
mod/photos.php
mod/ping.php
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was posted to a forum) had no route, hence downstream recipients report route mismatch
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There were 11 main types of changes:
- UPDATE's and DELETE's sometimes had LIMIT 1 at the end of them. This is not only non-compliant but
it would certainly not do what whoever wrote it thought it would. It is likely this mistake was just
copied from Friendica. All of these instances, the LIMIT 1 was simply removed.
- Bitwise operations (and even some non-zero int checks) erroneously rely on MySQL implicit
integer-boolean conversion in the WHERE clauses. This is non-compliant (and bad programming practice
to boot). Proper explicit boolean conversions were added. New queries should use proper conventions.
- MySQL has a different operator for bitwise XOR than postgres. Rather than add yet another dba_
func, I converted them to "& ~" ("AND NOT") when turning off, and "|" ("OR") when turning on. There
were no true toggles (XOR). New queries should refrain from using XOR when not necessary.
- There are several fields which the schema has marked as NOT NULL, but the inserts don't specify
them. The reason this works is because mysql totally ignores the constraint and adds an empty text
default automatically. Again, non-compliant, obviously. In these cases a default of empty text was
added.
- Several statements rely on a non-standard MySQL feature
(http://dev.mysql.com/doc/refman/5.5/en/group-by-handling.html). These queries can all be rewritten
to be standards compliant. Interestingly enough, the newly rewritten standards compliant queries run
a zillion times faster, even on MySQL.
- A couple of function/operator name translations were needed (RAND/RANDOM, GROUP_CONCAT/STRING_AGG,
UTC_NOW, REGEXP/~, ^/#) -- assist functions added in the dba_
- INTERVALs: postgres requires quotes around the value, mysql requires that there are not quotes
around the value -- assist functions added in the dba_
- NULL_DATE's -- Postgres does not allow the invalid date '0000-00-00 00:00:00' (there is no such
thing as year 0 or month 0 or day 0). We use '0001-01-01 00:00:00' for postgres. Conversions are
handled in Zot/item packets automagically by quoting all dates with dbescdate().
- char(##) specifications in the schema creates fields with blank spaces that aren't trimmed in the
code. MySQL apparently treats char(##) as varchar(##), again, non-compliant. Since postgres works
better with text fields anyway, this ball of bugs was simply side-stepped by using 'text' datatype
for all text fields in the postgres schema. varchar was used in a couple of places where it actually
seemed appropriate (size constraint), but without rigorously vetting that all of the PHP code
actually validates data, new bugs might come out from under the rug.
- postgres doesn't store nul bytes and a few other non-printables in text fields, even when quoted.
bytea fields were used when storing binary data (photo.data, attach.data). A new dbescbin() function
was added to handle this transparently.
- postgres does not support LIMIT #,# syntax. All databases support LIMIT # OFFSET # syntax.
Statements were updated to be standard.
These changes require corresponding changes in the coding standards. Please review those before
adding any code going forward.
Still on my TODO list:
- remove quotes from non-reserved identifiers and make reserved identifiers use dba func for quoting
- Rewrite search queries for better results (both MySQL and Postgres)
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since it could have been quite sensitive. If there were errors processing the actual tag restrict the post to the profile owner. Also make the "privacy tag over-rides ACL" behaviour configurable. Default is that privacy tags over-ride the ACL.
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error returned in private mention to a collection, and added auto-completion to photo tags; though it only matches people so the hover text is now wrong. Also made the photo edit form XHTML (XML) compliant.
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signing and wall-to-wall attribution correctly.
Do it at the point of submission. This also fixes a potential bug in yesterday's wall-to-wall permission setting,
if it was a local comment to a remote post.
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existing content via the API without invoking the notifier and sending each out as a fresh post.
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easily mis-typed sequence '0000-00-00 00:00:00'
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being set to the same ACL as the containing post, and instead are uploaded with public visibility (no ACL). This is to prevent folks on other networks from seeing prohibited signs for things uploaded into a private conversation. It is primarily useful when posting to collections that have mixed folks from red and other networks and an otherwise public (typical) profile. Consequently, these uploads will match your chosen default visibility for photos and storage and not that of the containing conversation item (and is only useful if the default visibility is public). This choice must be explained adequately because it represents a complex series of tradeoffs and side effects. It will reduce complaints from other networks about blocked content, but essentially forces you to use another method (dav or the photos page) if you wish to upload protected files/media.
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