OpenACS / openacs-4 / packages / acs-kernel / sql / postgresql

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Wednesday 02 Mar 2022
6:41 pm

gustafn

Improve robustness of upgrade script for legacy applications

In case, an installation has the legacy view (must be from very old installations)

in place, it is necessary to drop it before registered_users, otherwise

PostgreSQL will complain that it cannot drop view registered_users because

other objects depend on it.

Many thanks to Franz Penz to report this potential problem for old sites.

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    ./upgrade-5.10.0-5.10.1d1.sql
Wednesday 23 Feb 2022
7:24 pm

gustafn

Align names used in utility db functions in Oracle and PostgreSQL

Over the years, the names used in the function for PostgreSQL and

Oracle drifted away, which is a problem when using call-by-name

convention for stored procedures. Furthermore, recent Oracle versions

do not allow attributes named "table" (for table_name). So the longer

version is now used uniformily. Fortunately, nsf allow abbreviation

for named parameters (like Tcl does), such one can use both

"-table_name" and "-table".

Bumped version number to 5.10.1d7.

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    ./upgrade-5.10.1d6-5.10.1d7.sql
  2. … 4 more files in changeset.
7:24 pm

gustafn

file upgrade-5.10.1d6-5.10.1d7.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.1d6-5.10.1d7.sql
  2. … 1 more file in changeset.
Monday 21 Feb 2022
6:57 pm

gustafn

file upgrade-5.10.1d5-5.10.1d6.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.1d5-5.10.1d6.sql
6:53 pm

gustafn

fix broken function_args definition

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    ./upgrade-5.10.1d5-5.10.1d6.sql
  2. … 5 more files in changeset.
Monday 06 Dec 2021
10:43 am

gustafn

Improve spelling

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    ./upgrade-5.10.0d3-5.10.0d4.sql
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    ./upgrade-5.9.1d10-5.9.1d11.sql
10:42 am

gustafn

Fixed update script for applications having the view "upgrade-5.10.0-5.10.1d1.sql" not defined.

This view is a legacy view ancient times, which is no included in standard installations

since ages.... It was however defined on openacs.org.

--

-- Some legacy applications might contain still the VIEW

-- "registered_users_of_package_id", which is defined in

--

-- acs-subsite/sql/postgresql/user-profiles-create.sql

--

-- This file is NOT included in new installations since over 20 years,

-- so it is not maintained and treated as a leftover from ancient

-- times. Therefore, the view registered_users_of_package_id is not

-- recreated by this update script.

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    ./upgrade-5.10.0-5.10.1d1.sql
Wednesday 27 Oct 2021
2:47 pm

gustafn

refresh also "registered_users_of_package_id", which seems required on some (?) sites

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    ./upgrade-5.10.0-5.10.1d1.sql
Friday 01 Oct 2021
9:30 am

gustafn

file upgrade-5.10.1d2-5.10.1d3.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.1d2-5.10.1d3.sql
  2. … 1 more file in changeset.
9:30 am

gustafn

stick to the original names with the "-" since this is also the naming convention outside of OpenACS (e.g. "scram-sha-256")

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    ./upgrade-5.10.1d2-5.10.1d3.sql
  2. … 7 more files in changeset.
Wednesday 29 Sep 2021
2:09 pm

antoniop

file upgrade-5.10.1d1-5.10.1d2.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.1d1-5.10.1d2.sql
  2. … 1 more file in changeset.
2:09 pm

antoniop

Complete reform introduced in https://cvs.openacs.org/changelog/OpenACS?cs=oacs-5-10%3Agustafn%3A20210928124647

- add datamodel change to the creation script

- refactor algorithm names in a way that the new procs will comply with acs-tcl.naming__proc_naming automated test

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    ./upgrade-5.10.1d1-5.10.1d2.sql
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Tuesday 28 Sep 2021
2:46 pm

gustafn

file upgrade-5.10.0-5.10.1d1.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0-5.10.1d1.sql
  2. … 1 more file in changeset.
2:46 pm

gustafn

Stronger password hashes for OpenACS

This change introduces the possibility to use either the classical

OpenACS password hash algorithm "salted-sha1" or the SCRAM passord

function "scram-sha-256". The latter can be used by (a) using the

most recent version of NaviServer (from Sept 28, 2021 or newer) and

(b) by configuring the password hash preferences via Kernel package

parameter "PasswordHashAlgorithm". The package parameter can contain a

list of multiple hash algorithms in preference order. The most

preferred available algorithm is chosen.

By default, the "PasswordHashAlgorithm" is "salted-sha1", and the

behavior is as before. After upgrading to the new version of acs-tcl

and acs-kernel, the preference list can be configured. When a user

logs in and the preferred available algorithm is different from the

previously used algorithm, the upgrade is performed for the user

automatically.

The usage of SHA1 in OpenACS is easily target of security audits (see

[1]). The biggest danger is that if somebody gets full access to the

"users" table (e.g. when decommissioning a hard disk). In this case

the hashes can be attacked with dictionaries by using some crypto

hardware (when someone gets raw access to the DB, one has usually some

other big problems). However, by using the "scram-sha-256" hash

function this danger is substantially reduced. This function computes

a password hash using PBKDF2 (Password-Based Key Derivation Function

2). This function is used to reduce vulnerabilities of brute-force

attacks against password hashes. The hash function of SCRAM is PBKDF2

[RFC2898] with HMAC as the pseudorandom function (PRF) and with dkLen

== output length of HMAC == output length of the digest function. So,

it uses a better hash algorithm (sha-256 vs. sha1) and applies this a

high number of times (15K times for a password hash computation).

NaviServer supports as well the even better SCRYPT algorithm, but this

is only available when NaviServer is compiled with OpenSSL 3.0 or

newer. On the contrary, scram-sha-256 (actually PKCS5_PBKDF2_HMAC) is

available since OpenSSL 1.0.0 (2015).

All the improved hash functions require NaviServer with its tight

integration to the crypto functions of OpenSSL.

[1] https://openacs.org/forums/message-view?message_id=5522562

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    ./upgrade-5.10.0-5.10.1d1.sql
  2. … 6 more files in changeset.
Monday 05 Jul 2021
1:30 pm

antoniop

file upgrade-5.10.0d32-5.10.0d33.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d32-5.10.0d33.sql
  2. … 1 more file in changeset.
1:30 pm

antoniop

As we now enforce emails to be lowercase, also sanitize existing data

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    ./upgrade-5.10.0d32-5.10.0d33.sql
  2. … 2 more files in changeset.
Wednesday 24 Mar 2021
6:00 pm

gernst

Added constraint site_nodes_parent_id_ck to table "site_nodes" to avoid certain simple loops on parent_ids

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    ./upgrade-5.10.0d31-5.10.0d32.sql
  2. … 4 more files in changeset.
6:00 pm

gernst

file upgrade-5.10.0d31-5.10.0d32.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d31-5.10.0d32.sql
  2. … 1 more file in changeset.
10:51 am

gustafn

added constraint acs_objects_context_id_ck to avoid certain simple loops on context_ids

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    ./upgrade-5.10.0d30-5.10.0d31.sql
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10:51 am

gustafn

file upgrade-5.10.0d30-5.10.0d31.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d30-5.10.0d31.sql
Wednesday 22 Jul 2020
2:16 pm

hectorr

file upgrade-5.10.0d29-5.10.0d30.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d29-5.10.0d30.sql
2:16 pm

hectorr

Fix attribute datatype discrepancy

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    ./upgrade-5.10.0d29-5.10.0d30.sql
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Monday 11 May 2020
9:09 pm

gustafn

add as well support for schema name to util__table_column_exists and util__view_exists

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    ./upgrade-5.10.0d29-5.10.0d29.sql
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8:51 pm

gustafn

address issue #3436: support for schema name in util__table_exists

TODO: Oracle version is missing

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    ./upgrade-5.10.0d29-5.10.0d29.sql
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8:51 pm

gustafn

file upgrade-5.10.0d29-5.10.0d29.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d29-5.10.0d29.sql
Sunday 12 Apr 2020
10:52 am

gustafn

Added index on foreign key column to reduce sequential reads on delete

operations, since the optimizer brain fart ((c)Don Baccus) that existed

17 years ago in pg 7.2 seems to be gone

(https://openacs.org/forums/message-view?message_id=142769)

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    ./upgrade-5.10.0d27-5.10.0d28.sql
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10:52 am

gustafn

file upgrade-5.10.0d27-5.10.0d28.sql was initially added on branch oacs-5-10.

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Saturday 14 Mar 2020
8:01 pm

gustafn

- Convert frequenty used functions from plpgsql

to strict and stable SQL functions, which allow

the PostgreSQL more optimizations

* acs_group__member_p/3

* site_node__url/1

- bump version number to 5.10.0d27

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    ./upgrade-5.10.0d26-5.10.0d27.sql
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8:01 pm

gustafn

file upgrade-5.10.0d26-5.10.0d27.sql was initially added on branch oacs-5-10.

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    ./upgrade-5.10.0d26-5.10.0d27.sql
Thursday 05 Mar 2020
6:56 pm

hectorr

Attribute discrepancy fix for object_types in OpenACS.

Some attributes are not created for new instances since 2006, but an upgrade

script deleting the already existing ones was never done.

Original datatype change:

https://fisheye.openacs.org/changelog/OpenACS?cs=MAIN%3Avictorg%3A20060727200933

https://github.com/openacs/openacs-core/commit/7e30fa270483dcbc866ffbf6f5cf4f30447987cb

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    ./upgrade-5.10.0d25-5.10.0d26.sql
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