Merge tag 'v0.33.9' 0.34.0rc2

Features
--------

- Include flags to optionally add `m.login.terms` to the registration flow when consent tracking is enabled.
([\#4004](https://github.com/matrix-org/synapse/issues/4004), [\#4133](https://github.com/matrix-org/synapse/issues/4133),
[\#4142](https://github.com/matrix-org/synapse/issues/4142), [\#4184](https://github.com/matrix-org/synapse/issues/4184))
- Support for replacing rooms with new ones ([\#4091](https://github.com/matrix-org/synapse/issues/4091), [\#4099](https://github.com/matrix-org/synapse/issues/4099),
[\#4100](https://github.com/matrix-org/synapse/issues/4100), [\#4101](https://github.com/matrix-org/synapse/issues/4101))

Bugfixes
--------

- Fix exceptions when using the email mailer on Python 3. ([\#4095](https://github.com/matrix-org/synapse/issues/4095))
- Fix e2e key backup with more than 9 backup versions ([\#4113](https://github.com/matrix-org/synapse/issues/4113))
- Searches that request profile info now no longer fail with a 500. ([\#4122](https://github.com/matrix-org/synapse/issues/4122))
- fix return code of empty key backups ([\#4123](https://github.com/matrix-org/synapse/issues/4123))
- If the typing stream ID goes backwards (as on a worker when the master restarts), the worker's typing handler will no longer erroneously report rooms containing new
typing events. ([\#4127](https://github.com/matrix-org/synapse/issues/4127))
- Fix table lock of device_lists_remote_cache which could freeze the application ([\#4132](https://github.com/matrix-org/synapse/issues/4132))
- Fix exception when using state res v2 algorithm ([\#4135](https://github.com/matrix-org/synapse/issues/4135))
- Generating the user consent URI no longer fails on Python 3. ([\#4140](https://github.com/matrix-org/synapse/issues/4140),
[\#4163](https://github.com/matrix-org/synapse/issues/4163))
- Loading URL previews from the DB cache on Postgres will no longer cause Unicode type errors when responding to the request, and URL previews will no longer fail if
the remote server returns a Content-Type header with the chartype in quotes. ([\#4157](https://github.com/matrix-org/synapse/issues/4157))
- The hash_password script now works on Python 3. ([\#4161](https://github.com/matrix-org/synapse/issues/4161))
- Fix noop checks when updating device keys, reducing spurious device list update notifications. ([\#4164](https://github.com/matrix-org/synapse/issues/4164))

Deprecations and Removals
-------------------------

- The disused and un-specced identicon generator has been removed. ([\#4106](https://github.com/matrix-org/synapse/issues/4106))
- The obsolete and non-functional /pull federation endpoint has been removed. ([\#4118](https://github.com/matrix-org/synapse/issues/4118))
- The deprecated v1 key exchange endpoints have been removed. ([\#4119](https://github.com/matrix-org/synapse/issues/4119))
- Synapse will no longer fetch keys using the fallback deprecated v1 key exchange method and will now always use v2.
([\#4120](https://github.com/matrix-org/synapse/issues/4120))

Internal Changes
----------------

- Fix build of Docker image with docker-compose ([\#3778](https://github.com/matrix-org/synapse/issues/3778))
- Delete unreferenced state groups during history purge ([\#4006](https://github.com/matrix-org/synapse/issues/4006))
- The "Received rdata" log messages on workers is now logged at DEBUG, not INFO. ([\#4108](https://github.com/matrix-org/synapse/issues/4108))
- Reduce replication traffic for device lists ([\#4109](https://github.com/matrix-org/synapse/issues/4109))
- Fix `synapse_replication_tcp_protocol_*_commands` metric label to be full command name, rather than just the first character
([\#4110](https://github.com/matrix-org/synapse/issues/4110))
- Log some bits about room creation ([\#4121](https://github.com/matrix-org/synapse/issues/4121))
- Fix `tox` failure on old systems ([\#4124](https://github.com/matrix-org/synapse/issues/4124))
- Add STATE_V2_TEST room version ([\#4128](https://github.com/matrix-org/synapse/issues/4128))
- Clean up event accesses and tests ([\#4137](https://github.com/matrix-org/synapse/issues/4137))
- The default logging config will now set an explicit log file encoding of UTF-8. ([\#4138](https://github.com/matrix-org/synapse/issues/4138))
- Add helpers functions for getting prev and auth events of an event ([\#4139](https://github.com/matrix-org/synapse/issues/4139))
- Add some tests for the HTTP pusher. ([\#4149](https://github.com/matrix-org/synapse/issues/4149))
- add purge_history.sh and purge_remote_media.sh scripts to contrib/ ([\#4155](https://github.com/matrix-org/synapse/issues/4155))
- HTTP tests have been refactored to contain less boilerplate. ([\#4156](https://github.com/matrix-org/synapse/issues/4156))
- Drop incoming events from federation for unknown rooms ([\#4165](https://github.com/matrix-org/synapse/issues/4165))

1 files changed, 54 insertions, 0 deletions

diff --git a/contrib/purge_api/purge_remote_media.sh b/contrib/purge_api/purge_remote_media.sh
new file mode 100644
index 0000000000..99c07c663d
--- /dev/null
+++ b/contrib/purge_api/purge_remote_media.sh
@@ -0,0 +1,54 @@
+#!/bin/bash
+
+DOMAIN=yourserver.tld
+# add this user as admin in your home server:
+ADMIN="@you_admin_username:$DOMAIN"
+
+API_URL="$DOMAIN:8008/_matrix/client/r0"
+
+# choose a time before which the messages should be pruned:
+# TIME='2016-08-31 23:59:59'
+TIME='12 months ago'
+
+# creates a timestamp from the given time string:
+UNIX_TIMESTAMP=$(date +%s%3N --date='TZ="UTC+2" '"$TIME")
+
+
+###################################################################################################
+# database function
+###################################################################################################
+sql (){
+  # for sqlite3:
+  #sqlite3 homeserver.db "pragma busy_timeout=20000;$1" | awk '{print $2}'
+  # for postgres:
+  psql -A -t --dbname=synapse -c "$1" | grep -v 'Pager'
+}
+
+###############################################################################
+# make the admin user a server admin in the database with
+###############################################################################
+# sql "UPDATE users SET admin=1 WHERE name LIKE '$ADMIN'"
+
+###############################################################################
+# get an access token
+###############################################################################
+# for example externally by watching Riot in your browser's network inspector
+# or internally on the server locally, use this:
+TOKEN=$(sql "SELECT token FROM access_tokens WHERE user_id='$ADMIN' ORDER BY id DESC LIMIT 1")
+
+###############################################################################
+# check, if your TOKEN works. For example this works: 
+###############################################################################
+# curl --header "Authorization: Bearer $TOKEN" "$API_URL/rooms/$ROOM/state/m.room.power_levels"
+
+###############################################################################
+# optional check size before
+###############################################################################
+# echo calculate used storage before ...
+# du -shc ../.synapse/media_store/*
+
+###############################################################################
+# finally start pruning media:
+###############################################################################
+set -x # for debugging the generated string
+curl --header "Authorization: Bearer $TOKEN" -v POST "$API_URL/admin/purge_media_cache/?before_ts=$UNIX_TIMESTAMP"