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-rw-r--r--README.rst13
-rw-r--r--changelog.d/8312.feature1
-rw-r--r--changelog.d/8457.bugfix1
-rw-r--r--changelog.d/8461.feature1
-rw-r--r--changelog.d/8464.misc1
-rw-r--r--changelog.d/8465.bugfix1
-rw-r--r--changelog.d/8467.feature1
-rw-r--r--changelog.d/8468.misc1
-rw-r--r--changelog.d/8480.misc1
-rw-r--r--docs/code_style.md2
-rw-r--r--docs/sample_config.yaml2
-rw-r--r--docs/spam_checker.md9
-rw-r--r--docs/sphinx/README.rst1
-rw-r--r--docs/sphinx/conf.py271
-rw-r--r--docs/sphinx/index.rst20
-rw-r--r--docs/sphinx/modules.rst7
-rw-r--r--docs/sphinx/synapse.api.auth.rst7
-rw-r--r--docs/sphinx/synapse.api.constants.rst7
-rw-r--r--docs/sphinx/synapse.api.dbobjects.rst7
-rw-r--r--docs/sphinx/synapse.api.errors.rst7
-rw-r--r--docs/sphinx/synapse.api.event_stream.rst7
-rw-r--r--docs/sphinx/synapse.api.events.factory.rst7
-rw-r--r--docs/sphinx/synapse.api.events.room.rst7
-rw-r--r--docs/sphinx/synapse.api.events.rst18
-rw-r--r--docs/sphinx/synapse.api.handlers.events.rst7
-rw-r--r--docs/sphinx/synapse.api.handlers.factory.rst7
-rw-r--r--docs/sphinx/synapse.api.handlers.federation.rst7
-rw-r--r--docs/sphinx/synapse.api.handlers.register.rst7
-rw-r--r--docs/sphinx/synapse.api.handlers.room.rst7
-rw-r--r--docs/sphinx/synapse.api.handlers.rst21
-rw-r--r--docs/sphinx/synapse.api.notifier.rst7
-rw-r--r--docs/sphinx/synapse.api.register_events.rst7
-rw-r--r--docs/sphinx/synapse.api.room_events.rst7
-rw-r--r--docs/sphinx/synapse.api.rst30
-rw-r--r--docs/sphinx/synapse.api.server.rst7
-rw-r--r--docs/sphinx/synapse.api.storage.rst7
-rw-r--r--docs/sphinx/synapse.api.stream.rst7
-rw-r--r--docs/sphinx/synapse.api.streams.event.rst7
-rw-r--r--docs/sphinx/synapse.api.streams.rst17
-rw-r--r--docs/sphinx/synapse.app.homeserver.rst7
-rw-r--r--docs/sphinx/synapse.app.rst17
-rw-r--r--docs/sphinx/synapse.db.rst10
-rw-r--r--docs/sphinx/synapse.federation.handler.rst7
-rw-r--r--docs/sphinx/synapse.federation.messaging.rst7
-rw-r--r--docs/sphinx/synapse.federation.pdu_codec.rst7
-rw-r--r--docs/sphinx/synapse.federation.persistence.rst7
-rw-r--r--docs/sphinx/synapse.federation.replication.rst7
-rw-r--r--docs/sphinx/synapse.federation.rst22
-rw-r--r--docs/sphinx/synapse.federation.transport.rst7
-rw-r--r--docs/sphinx/synapse.federation.units.rst7
-rw-r--r--docs/sphinx/synapse.persistence.rst19
-rw-r--r--docs/sphinx/synapse.persistence.service.rst7
-rw-r--r--docs/sphinx/synapse.persistence.tables.rst7
-rw-r--r--docs/sphinx/synapse.persistence.transactions.rst7
-rw-r--r--docs/sphinx/synapse.rest.base.rst7
-rw-r--r--docs/sphinx/synapse.rest.events.rst7
-rw-r--r--docs/sphinx/synapse.rest.register.rst7
-rw-r--r--docs/sphinx/synapse.rest.room.rst7
-rw-r--r--docs/sphinx/synapse.rest.rst20
-rw-r--r--docs/sphinx/synapse.rst30
-rw-r--r--docs/sphinx/synapse.server.rst7
-rw-r--r--docs/sphinx/synapse.state.rst7
-rw-r--r--docs/sphinx/synapse.util.async.rst7
-rw-r--r--docs/sphinx/synapse.util.dbutils.rst7
-rw-r--r--docs/sphinx/synapse.util.http.rst7
-rw-r--r--docs/sphinx/synapse.util.lockutils.rst7
-rw-r--r--docs/sphinx/synapse.util.logutils.rst7
-rw-r--r--docs/sphinx/synapse.util.rst21
-rw-r--r--docs/sphinx/synapse.util.stringutils.rst7
-rw-r--r--scripts-dev/sphinx_api_docs.sh1
-rwxr-xr-xscripts/synapse_port_db1
-rw-r--r--setup.cfg5
-rw-r--r--synapse/app/homeserver.py3
-rw-r--r--synapse/config/server.py2
-rw-r--r--synapse/event_auth.py2
-rw-r--r--synapse/events/spamcheck.py5
-rw-r--r--synapse/events/third_party_rules.py19
-rw-r--r--synapse/handlers/auth.py7
-rw-r--r--synapse/handlers/e2e_keys.py16
-rw-r--r--synapse/handlers/sync.py8
-rw-r--r--synapse/http/server.py5
-rw-r--r--synapse/module_api/__init__.py29
-rw-r--r--synapse/rest/client/v2_alpha/sync.py1
-rw-r--r--synapse/rest/media/v1/_base.py6
-rw-r--r--synapse/server.py5
-rw-r--r--synapse/spam_checker_api/__init__.py43
-rw-r--r--synapse/storage/databases/main/end_to_end_keys.py100
-rw-r--r--synapse/storage/databases/main/schema/delta/58/11fallback.sql24
-rw-r--r--tests/handlers/test_e2e_keys.py65
-rw-r--r--tests/module_api/test_api.py4
-rw-r--r--tests/rest/client/test_third_party_rules.py144
-rw-r--r--tests/rest/client/third_party_rules.py86
-rw-r--r--tests/rest/client/v1/test_directory.py11
93 files changed, 451 insertions, 993 deletions
diff --git a/README.rst b/README.rst
index 4a189c8bc4..e623cf863a 100644
--- a/README.rst
+++ b/README.rst
@@ -290,19 +290,6 @@ Testing with SyTest is recommended for verifying that changes related to the
 Client-Server API are functioning correctly. See the `installation instructions
 <https://github.com/matrix-org/sytest#installing>`_ for details.
 
-Building Internal API Documentation
-===================================
-
-Before building internal API documentation install sphinx and
-sphinxcontrib-napoleon::
-
-    pip install sphinx
-    pip install sphinxcontrib-napoleon
-
-Building internal API documentation::
-
-    python setup.py build_sphinx
-
 Troubleshooting
 ===============
 
diff --git a/changelog.d/8312.feature b/changelog.d/8312.feature
new file mode 100644
index 0000000000..222a1b032a
--- /dev/null
+++ b/changelog.d/8312.feature
@@ -0,0 +1 @@
+Add support for olm fallback keys ([MSC2732](https://github.com/matrix-org/matrix-doc/pull/2732)).
\ No newline at end of file
diff --git a/changelog.d/8457.bugfix b/changelog.d/8457.bugfix
new file mode 100644
index 0000000000..545b06d180
--- /dev/null
+++ b/changelog.d/8457.bugfix
@@ -0,0 +1 @@
+Fix a bug where backfilling a room with an event that was missing the `redacts` field would break.
diff --git a/changelog.d/8461.feature b/changelog.d/8461.feature
new file mode 100644
index 0000000000..3665d670e1
--- /dev/null
+++ b/changelog.d/8461.feature
@@ -0,0 +1 @@
+Change default room version to "6", per [MSC2788](https://github.com/matrix-org/matrix-doc/pull/2788).
diff --git a/changelog.d/8464.misc b/changelog.d/8464.misc
new file mode 100644
index 0000000000..a552e88f9f
--- /dev/null
+++ b/changelog.d/8464.misc
@@ -0,0 +1 @@
+Combine `SpamCheckerApi` with the more generic `ModuleApi`.
diff --git a/changelog.d/8465.bugfix b/changelog.d/8465.bugfix
new file mode 100644
index 0000000000..73f895b268
--- /dev/null
+++ b/changelog.d/8465.bugfix
@@ -0,0 +1 @@
+Don't attempt to respond to some requests if the client has already disconnected.
\ No newline at end of file
diff --git a/changelog.d/8467.feature b/changelog.d/8467.feature
new file mode 100644
index 0000000000..6d0335e2c8
--- /dev/null
+++ b/changelog.d/8467.feature
@@ -0,0 +1 @@
+Allow `ThirdPartyEventRules` modules to query and manipulate whether a room is in the public rooms directory.
\ No newline at end of file
diff --git a/changelog.d/8468.misc b/changelog.d/8468.misc
new file mode 100644
index 0000000000..32ba991e64
--- /dev/null
+++ b/changelog.d/8468.misc
@@ -0,0 +1 @@
+Additional testing for `ThirdPartyEventRules`.
diff --git a/changelog.d/8480.misc b/changelog.d/8480.misc
new file mode 100644
index 0000000000..81633af296
--- /dev/null
+++ b/changelog.d/8480.misc
@@ -0,0 +1 @@
+Remove outdated sphinx documentation, scripts and configuration.
\ No newline at end of file
diff --git a/docs/code_style.md b/docs/code_style.md
index 6ef6f80290..f6c825d7d4 100644
--- a/docs/code_style.md
+++ b/docs/code_style.md
@@ -64,8 +64,6 @@ save as it takes a while and is very resource intensive.
     -   Use underscores for functions and variables.
 -   **Docstrings**: should follow the [google code
     style](https://google.github.io/styleguide/pyguide.html#38-comments-and-docstrings).
-    This is so that we can generate documentation with
-    [sphinx](http://sphinxcontrib-napoleon.readthedocs.org/en/latest/).
     See the
     [examples](http://sphinxcontrib-napoleon.readthedocs.io/en/latest/example_google.html)
     in the sphinx documentation.
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 7126ade2de..bb64662e28 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -119,7 +119,7 @@ pid_file: DATADIR/homeserver.pid
 # For example, for room version 1, default_room_version should be set
 # to "1".
 #
-#default_room_version: "5"
+#default_room_version: "6"
 
 # The GC threshold parameters to pass to `gc.set_threshold`, if defined
 #
diff --git a/docs/spam_checker.md b/docs/spam_checker.md
index eb10e115f9..7fc08f1b70 100644
--- a/docs/spam_checker.md
+++ b/docs/spam_checker.md
@@ -11,7 +11,7 @@ able to be imported by the running Synapse.
 The Python class is instantiated with two objects:
 
 * Any configuration (see below).
-* An instance of `synapse.spam_checker_api.SpamCheckerApi`.
+* An instance of `synapse.module_api.ModuleApi`.
 
 It then implements methods which return a boolean to alter behavior in Synapse.
 
@@ -26,11 +26,8 @@ well as some specific methods:
 The details of the each of these methods (as well as their inputs and outputs)
 are documented in the `synapse.events.spamcheck.SpamChecker` class.
 
-The `SpamCheckerApi` class provides a way for the custom spam checker class to
-call back into the homeserver internals. It currently implements the following
-methods:
-
-* `get_state_events_in_room`
+The `ModuleApi` class provides a way for the custom spam checker class to
+call back into the homeserver internals.
 
 ### Example
 
diff --git a/docs/sphinx/README.rst b/docs/sphinx/README.rst
deleted file mode 100644
index a7ab7c5500..0000000000
--- a/docs/sphinx/README.rst
+++ /dev/null
@@ -1 +0,0 @@
-TODO: how (if at all) is this actually maintained?
diff --git a/docs/sphinx/conf.py b/docs/sphinx/conf.py
deleted file mode 100644
index ca4b879526..0000000000
--- a/docs/sphinx/conf.py
+++ /dev/null
@@ -1,271 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Synapse documentation build configuration file, created by
-# sphinx-quickstart on Tue Jun 10 17:31:02 2014.
-#
-# This file is execfile()d with the current directory set to its
-# containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-import sys
-import os
-
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath(".."))
-
-# -- General configuration ------------------------------------------------
-
-# If your documentation needs a minimal Sphinx version, state it here.
-# needs_sphinx = '1.0'
-
-# Add any Sphinx extension module names here, as strings. They can be
-# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
-# ones.
-extensions = [
-    "sphinx.ext.autodoc",
-    "sphinx.ext.intersphinx",
-    "sphinx.ext.coverage",
-    "sphinx.ext.ifconfig",
-    "sphinxcontrib.napoleon",
-]
-
-# Add any paths that contain templates here, relative to this directory.
-templates_path = ["_templates"]
-
-# The suffix of source filenames.
-source_suffix = ".rst"
-
-# The encoding of source files.
-# source_encoding = 'utf-8-sig'
-
-# The master toctree document.
-master_doc = "index"
-
-# General information about the project.
-project = "Synapse"
-copyright = (
-    "Copyright 2014-2017 OpenMarket Ltd, 2017 Vector Creations Ltd, 2017 New Vector Ltd"
-)
-
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = "1.0"
-# The full version, including alpha/beta/rc tags.
-release = "1.0"
-
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-# language = None
-
-# There are two options for replacing |today|: either, you set today to some
-# non-false value, then it is used:
-# today = ''
-# Else, today_fmt is used as the format for a strftime call.
-# today_fmt = '%B %d, %Y'
-
-# List of patterns, relative to source directory, that match files and
-# directories to ignore when looking for source files.
-exclude_patterns = ["_build"]
-
-# The reST default role (used for this markup: `text`) to use for all
-# documents.
-# default_role = None
-
-# If true, '()' will be appended to :func: etc. cross-reference text.
-# add_function_parentheses = True
-
-# If true, the current module name will be prepended to all description
-# unit titles (such as .. function::).
-# add_module_names = True
-
-# If true, sectionauthor and moduleauthor directives will be shown in the
-# output. They are ignored by default.
-# show_authors = False
-
-# The name of the Pygments (syntax highlighting) style to use.
-pygments_style = "sphinx"
-
-# A list of ignored prefixes for module index sorting.
-# modindex_common_prefix = []
-
-# If true, keep warnings as "system message" paragraphs in the built documents.
-# keep_warnings = False
-
-
-# -- Options for HTML output ----------------------------------------------
-
-# The theme to use for HTML and HTML Help pages.  See the documentation for
-# a list of builtin themes.
-html_theme = "default"
-
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-# html_theme_options = {}
-
-# Add any paths that contain custom themes here, relative to this directory.
-# html_theme_path = []
-
-# The name for this set of Sphinx documents.  If None, it defaults to
-# "<project> v<release> documentation".
-# html_title = None
-
-# A shorter title for the navigation bar.  Default is the same as html_title.
-# html_short_title = None
-
-# The name of an image file (relative to this directory) to place at the top
-# of the sidebar.
-# html_logo = None
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-# html_favicon = None
-
-# Add any paths that contain custom static files (such as style sheets) here,
-# relative to this directory. They are copied after the builtin static files,
-# so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ["_static"]
-
-# Add any extra paths that contain custom files (such as robots.txt or
-# .htaccess) here, relative to this directory. These files are copied
-# directly to the root of the documentation.
-# html_extra_path = []
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-# html_last_updated_fmt = '%b %d, %Y'
-
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-# html_use_smartypants = True
-
-# Custom sidebar templates, maps document names to template names.
-# html_sidebars = {}
-
-# Additional templates that should be rendered to pages, maps page names to
-# template names.
-# html_additional_pages = {}
-
-# If false, no module index is generated.
-# html_domain_indices = True
-
-# If false, no index is generated.
-# html_use_index = True
-
-# If true, the index is split into individual pages for each letter.
-# html_split_index = False
-
-# If true, links to the reST sources are added to the pages.
-# html_show_sourcelink = True
-
-# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
-# html_show_sphinx = True
-
-# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
-# html_show_copyright = True
-
-# If true, an OpenSearch description file will be output, and all pages will
-# contain a <link> tag referring to it.  The value of this option must be the
-# base URL from which the finished HTML is served.
-# html_use_opensearch = ''
-
-# This is the file name suffix for HTML files (e.g. ".xhtml").
-# html_file_suffix = None
-
-# Output file base name for HTML help builder.
-htmlhelp_basename = "Synapsedoc"
-
-
-# -- Options for LaTeX output ---------------------------------------------
-
-latex_elements = {
-    # The paper size ('letterpaper' or 'a4paper').
-    #'papersize': 'letterpaper',
-    # The font size ('10pt', '11pt' or '12pt').
-    #'pointsize': '10pt',
-    # Additional stuff for the LaTeX preamble.
-    #'preamble': '',
-}
-
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title,
-#  author, documentclass [howto, manual, or own class]).
-latex_documents = [("index", "Synapse.tex", "Synapse Documentation", "TNG", "manual")]
-
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-# latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-# latex_use_parts = False
-
-# If true, show page references after internal links.
-# latex_show_pagerefs = False
-
-# If true, show URL addresses after external links.
-# latex_show_urls = False
-
-# Documents to append as an appendix to all manuals.
-# latex_appendices = []
-
-# If false, no module index is generated.
-# latex_domain_indices = True
-
-
-# -- Options for manual page output ---------------------------------------
-
-# One entry per manual page. List of tuples
-# (source start file, name, description, authors, manual section).
-man_pages = [("index", "synapse", "Synapse Documentation", ["TNG"], 1)]
-
-# If true, show URL addresses after external links.
-# man_show_urls = False
-
-
-# -- Options for Texinfo output -------------------------------------------
-
-# Grouping the document tree into Texinfo files. List of tuples
-# (source start file, target name, title, author,
-#  dir menu entry, description, category)
-texinfo_documents = [
-    (
-        "index",
-        "Synapse",
-        "Synapse Documentation",
-        "TNG",
-        "Synapse",
-        "One line description of project.",
-        "Miscellaneous",
-    )
-]
-
-# Documents to append as an appendix to all manuals.
-# texinfo_appendices = []
-
-# If false, no module index is generated.
-# texinfo_domain_indices = True
-
-# How to display URL addresses: 'footnote', 'no', or 'inline'.
-# texinfo_show_urls = 'footnote'
-
-# If true, do not generate a @detailmenu in the "Top" node's menu.
-# texinfo_no_detailmenu = False
-
-
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {"http://docs.python.org/": None}
-
-napoleon_include_special_with_doc = True
-napoleon_use_ivar = True
diff --git a/docs/sphinx/index.rst b/docs/sphinx/index.rst
deleted file mode 100644
index 76a4c0c7bf..0000000000
--- a/docs/sphinx/index.rst
+++ /dev/null
@@ -1,20 +0,0 @@
-.. Synapse documentation master file, created by
-   sphinx-quickstart on Tue Jun 10 17:31:02 2014.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-Welcome to Synapse's documentation!
-===================================
-
-Contents:
-
-.. toctree::
-   synapse
-
-Indices and tables
-==================
-
-* :ref:`genindex`
-* :ref:`modindex`
-* :ref:`search`
-
diff --git a/docs/sphinx/modules.rst b/docs/sphinx/modules.rst
deleted file mode 100644
index 1c7f70bd13..0000000000
--- a/docs/sphinx/modules.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse
-=======
-
-.. toctree::
-   :maxdepth: 4
-
-   synapse
diff --git a/docs/sphinx/synapse.api.auth.rst b/docs/sphinx/synapse.api.auth.rst
deleted file mode 100644
index 931eb59836..0000000000
--- a/docs/sphinx/synapse.api.auth.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.auth module
-=======================
-
-.. automodule:: synapse.api.auth
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.constants.rst b/docs/sphinx/synapse.api.constants.rst
deleted file mode 100644
index a1e3c47f68..0000000000
--- a/docs/sphinx/synapse.api.constants.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.constants module
-============================
-
-.. automodule:: synapse.api.constants
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.dbobjects.rst b/docs/sphinx/synapse.api.dbobjects.rst
deleted file mode 100644
index e9d31167e0..0000000000
--- a/docs/sphinx/synapse.api.dbobjects.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.dbobjects module
-============================
-
-.. automodule:: synapse.api.dbobjects
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.errors.rst b/docs/sphinx/synapse.api.errors.rst
deleted file mode 100644
index f1c6881478..0000000000
--- a/docs/sphinx/synapse.api.errors.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.errors module
-=========================
-
-.. automodule:: synapse.api.errors
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.event_stream.rst b/docs/sphinx/synapse.api.event_stream.rst
deleted file mode 100644
index 9291cb2dbc..0000000000
--- a/docs/sphinx/synapse.api.event_stream.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.event_stream module
-===============================
-
-.. automodule:: synapse.api.event_stream
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.events.factory.rst b/docs/sphinx/synapse.api.events.factory.rst
deleted file mode 100644
index 2e71ff6070..0000000000
--- a/docs/sphinx/synapse.api.events.factory.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.events.factory module
-=================================
-
-.. automodule:: synapse.api.events.factory
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.events.room.rst b/docs/sphinx/synapse.api.events.room.rst
deleted file mode 100644
index 6cd5998599..0000000000
--- a/docs/sphinx/synapse.api.events.room.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.events.room module
-==============================
-
-.. automodule:: synapse.api.events.room
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.events.rst b/docs/sphinx/synapse.api.events.rst
deleted file mode 100644
index b762da55ee..0000000000
--- a/docs/sphinx/synapse.api.events.rst
+++ /dev/null
@@ -1,18 +0,0 @@
-synapse.api.events package
-==========================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.api.events.factory
-   synapse.api.events.room
-
-Module contents
----------------
-
-.. automodule:: synapse.api.events
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.events.rst b/docs/sphinx/synapse.api.handlers.events.rst
deleted file mode 100644
index d2e1b54ac0..0000000000
--- a/docs/sphinx/synapse.api.handlers.events.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.handlers.events module
-==================================
-
-.. automodule:: synapse.api.handlers.events
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.factory.rst b/docs/sphinx/synapse.api.handlers.factory.rst
deleted file mode 100644
index b04a93f740..0000000000
--- a/docs/sphinx/synapse.api.handlers.factory.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.handlers.factory module
-===================================
-
-.. automodule:: synapse.api.handlers.factory
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.federation.rst b/docs/sphinx/synapse.api.handlers.federation.rst
deleted file mode 100644
index 61a6542210..0000000000
--- a/docs/sphinx/synapse.api.handlers.federation.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.handlers.federation module
-======================================
-
-.. automodule:: synapse.api.handlers.federation
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.register.rst b/docs/sphinx/synapse.api.handlers.register.rst
deleted file mode 100644
index 388f144eca..0000000000
--- a/docs/sphinx/synapse.api.handlers.register.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.handlers.register module
-====================================
-
-.. automodule:: synapse.api.handlers.register
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.room.rst b/docs/sphinx/synapse.api.handlers.room.rst
deleted file mode 100644
index 8ca156c7ff..0000000000
--- a/docs/sphinx/synapse.api.handlers.room.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.handlers.room module
-================================
-
-.. automodule:: synapse.api.handlers.room
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.handlers.rst b/docs/sphinx/synapse.api.handlers.rst
deleted file mode 100644
index e84f563fcb..0000000000
--- a/docs/sphinx/synapse.api.handlers.rst
+++ /dev/null
@@ -1,21 +0,0 @@
-synapse.api.handlers package
-============================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.api.handlers.events
-   synapse.api.handlers.factory
-   synapse.api.handlers.federation
-   synapse.api.handlers.register
-   synapse.api.handlers.room
-
-Module contents
----------------
-
-.. automodule:: synapse.api.handlers
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.notifier.rst b/docs/sphinx/synapse.api.notifier.rst
deleted file mode 100644
index 631b42a497..0000000000
--- a/docs/sphinx/synapse.api.notifier.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.notifier module
-===========================
-
-.. automodule:: synapse.api.notifier
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.register_events.rst b/docs/sphinx/synapse.api.register_events.rst
deleted file mode 100644
index 79ad4ce211..0000000000
--- a/docs/sphinx/synapse.api.register_events.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.register_events module
-==================================
-
-.. automodule:: synapse.api.register_events
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.room_events.rst b/docs/sphinx/synapse.api.room_events.rst
deleted file mode 100644
index bead1711f5..0000000000
--- a/docs/sphinx/synapse.api.room_events.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.room_events module
-==============================
-
-.. automodule:: synapse.api.room_events
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.rst b/docs/sphinx/synapse.api.rst
deleted file mode 100644
index f4d39ff331..0000000000
--- a/docs/sphinx/synapse.api.rst
+++ /dev/null
@@ -1,30 +0,0 @@
-synapse.api package
-===================
-
-Subpackages
------------
-
-.. toctree::
-
-    synapse.api.events
-    synapse.api.handlers
-    synapse.api.streams
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.api.auth
-   synapse.api.constants
-   synapse.api.errors
-   synapse.api.notifier
-   synapse.api.storage
-
-Module contents
----------------
-
-.. automodule:: synapse.api
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.server.rst b/docs/sphinx/synapse.api.server.rst
deleted file mode 100644
index b01600235e..0000000000
--- a/docs/sphinx/synapse.api.server.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.server module
-=========================
-
-.. automodule:: synapse.api.server
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.storage.rst b/docs/sphinx/synapse.api.storage.rst
deleted file mode 100644
index afa40685c4..0000000000
--- a/docs/sphinx/synapse.api.storage.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.storage module
-==========================
-
-.. automodule:: synapse.api.storage
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.stream.rst b/docs/sphinx/synapse.api.stream.rst
deleted file mode 100644
index 0d5e3f01bf..0000000000
--- a/docs/sphinx/synapse.api.stream.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.stream module
-=========================
-
-.. automodule:: synapse.api.stream
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.streams.event.rst b/docs/sphinx/synapse.api.streams.event.rst
deleted file mode 100644
index 2ac45a35c8..0000000000
--- a/docs/sphinx/synapse.api.streams.event.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.api.streams.event module
-================================
-
-.. automodule:: synapse.api.streams.event
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.api.streams.rst b/docs/sphinx/synapse.api.streams.rst
deleted file mode 100644
index 72eb205caf..0000000000
--- a/docs/sphinx/synapse.api.streams.rst
+++ /dev/null
@@ -1,17 +0,0 @@
-synapse.api.streams package
-===========================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.api.streams.event
-
-Module contents
----------------
-
-.. automodule:: synapse.api.streams
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.app.homeserver.rst b/docs/sphinx/synapse.app.homeserver.rst
deleted file mode 100644
index 54b93da8fe..0000000000
--- a/docs/sphinx/synapse.app.homeserver.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.app.homeserver module
-=============================
-
-.. automodule:: synapse.app.homeserver
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.app.rst b/docs/sphinx/synapse.app.rst
deleted file mode 100644
index 4535b79827..0000000000
--- a/docs/sphinx/synapse.app.rst
+++ /dev/null
@@ -1,17 +0,0 @@
-synapse.app package
-===================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.app.homeserver
-
-Module contents
----------------
-
-.. automodule:: synapse.app
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.db.rst b/docs/sphinx/synapse.db.rst
deleted file mode 100644
index 83df6c03db..0000000000
--- a/docs/sphinx/synapse.db.rst
+++ /dev/null
@@ -1,10 +0,0 @@
-synapse.db package
-==================
-
-Module contents
----------------
-
-.. automodule:: synapse.db
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.handler.rst b/docs/sphinx/synapse.federation.handler.rst
deleted file mode 100644
index 5597f5c46d..0000000000
--- a/docs/sphinx/synapse.federation.handler.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.handler module
-=================================
-
-.. automodule:: synapse.federation.handler
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.messaging.rst b/docs/sphinx/synapse.federation.messaging.rst
deleted file mode 100644
index 4bbaabf3ef..0000000000
--- a/docs/sphinx/synapse.federation.messaging.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.messaging module
-===================================
-
-.. automodule:: synapse.federation.messaging
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.pdu_codec.rst b/docs/sphinx/synapse.federation.pdu_codec.rst
deleted file mode 100644
index 8f0b15a63c..0000000000
--- a/docs/sphinx/synapse.federation.pdu_codec.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.pdu_codec module
-===================================
-
-.. automodule:: synapse.federation.pdu_codec
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.persistence.rst b/docs/sphinx/synapse.federation.persistence.rst
deleted file mode 100644
index db7ab8ade1..0000000000
--- a/docs/sphinx/synapse.federation.persistence.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.persistence module
-=====================================
-
-.. automodule:: synapse.federation.persistence
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.replication.rst b/docs/sphinx/synapse.federation.replication.rst
deleted file mode 100644
index 49e26e0928..0000000000
--- a/docs/sphinx/synapse.federation.replication.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.replication module
-=====================================
-
-.. automodule:: synapse.federation.replication
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.rst b/docs/sphinx/synapse.federation.rst
deleted file mode 100644
index 7240c7901b..0000000000
--- a/docs/sphinx/synapse.federation.rst
+++ /dev/null
@@ -1,22 +0,0 @@
-synapse.federation package
-==========================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.federation.handler
-   synapse.federation.pdu_codec
-   synapse.federation.persistence
-   synapse.federation.replication
-   synapse.federation.transport
-   synapse.federation.units
-
-Module contents
----------------
-
-.. automodule:: synapse.federation
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.transport.rst b/docs/sphinx/synapse.federation.transport.rst
deleted file mode 100644
index 877956b3c9..0000000000
--- a/docs/sphinx/synapse.federation.transport.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.transport module
-===================================
-
-.. automodule:: synapse.federation.transport
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.federation.units.rst b/docs/sphinx/synapse.federation.units.rst
deleted file mode 100644
index 8f9212b07d..0000000000
--- a/docs/sphinx/synapse.federation.units.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.federation.units module
-===============================
-
-.. automodule:: synapse.federation.units
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.persistence.rst b/docs/sphinx/synapse.persistence.rst
deleted file mode 100644
index 37c0c23720..0000000000
--- a/docs/sphinx/synapse.persistence.rst
+++ /dev/null
@@ -1,19 +0,0 @@
-synapse.persistence package
-===========================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.persistence.service
-   synapse.persistence.tables
-   synapse.persistence.transactions
-
-Module contents
----------------
-
-.. automodule:: synapse.persistence
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.persistence.service.rst b/docs/sphinx/synapse.persistence.service.rst
deleted file mode 100644
index 3514d3c76f..0000000000
--- a/docs/sphinx/synapse.persistence.service.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.persistence.service module
-==================================
-
-.. automodule:: synapse.persistence.service
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.persistence.tables.rst b/docs/sphinx/synapse.persistence.tables.rst
deleted file mode 100644
index 907b02769d..0000000000
--- a/docs/sphinx/synapse.persistence.tables.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.persistence.tables module
-=================================
-
-.. automodule:: synapse.persistence.tables
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.persistence.transactions.rst b/docs/sphinx/synapse.persistence.transactions.rst
deleted file mode 100644
index 475c02a8c5..0000000000
--- a/docs/sphinx/synapse.persistence.transactions.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.persistence.transactions module
-=======================================
-
-.. automodule:: synapse.persistence.transactions
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rest.base.rst b/docs/sphinx/synapse.rest.base.rst
deleted file mode 100644
index 84d2d9b31d..0000000000
--- a/docs/sphinx/synapse.rest.base.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.rest.base module
-========================
-
-.. automodule:: synapse.rest.base
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rest.events.rst b/docs/sphinx/synapse.rest.events.rst
deleted file mode 100644
index ebbe26c746..0000000000
--- a/docs/sphinx/synapse.rest.events.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.rest.events module
-==========================
-
-.. automodule:: synapse.rest.events
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rest.register.rst b/docs/sphinx/synapse.rest.register.rst
deleted file mode 100644
index a4a48a8a8f..0000000000
--- a/docs/sphinx/synapse.rest.register.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.rest.register module
-============================
-
-.. automodule:: synapse.rest.register
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rest.room.rst b/docs/sphinx/synapse.rest.room.rst
deleted file mode 100644
index 63fc5c2840..0000000000
--- a/docs/sphinx/synapse.rest.room.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.rest.room module
-========================
-
-.. automodule:: synapse.rest.room
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rest.rst b/docs/sphinx/synapse.rest.rst
deleted file mode 100644
index 016af926b2..0000000000
--- a/docs/sphinx/synapse.rest.rst
+++ /dev/null
@@ -1,20 +0,0 @@
-synapse.rest package
-====================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.rest.base
-   synapse.rest.events
-   synapse.rest.register
-   synapse.rest.room
-
-Module contents
----------------
-
-.. automodule:: synapse.rest
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.rst b/docs/sphinx/synapse.rst
deleted file mode 100644
index e7869e0e5d..0000000000
--- a/docs/sphinx/synapse.rst
+++ /dev/null
@@ -1,30 +0,0 @@
-synapse package
-===============
-
-Subpackages
------------
-
-.. toctree::
-
-    synapse.api
-    synapse.app
-    synapse.federation
-    synapse.persistence
-    synapse.rest
-    synapse.util
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.server
-   synapse.state
-
-Module contents
----------------
-
-.. automodule:: synapse
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.server.rst b/docs/sphinx/synapse.server.rst
deleted file mode 100644
index 7f33f084d7..0000000000
--- a/docs/sphinx/synapse.server.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.server module
-=====================
-
-.. automodule:: synapse.server
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.state.rst b/docs/sphinx/synapse.state.rst
deleted file mode 100644
index 744be2a8be..0000000000
--- a/docs/sphinx/synapse.state.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.state module
-====================
-
-.. automodule:: synapse.state
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.async.rst b/docs/sphinx/synapse.util.async.rst
deleted file mode 100644
index 542bb54444..0000000000
--- a/docs/sphinx/synapse.util.async.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.async module
-=========================
-
-.. automodule:: synapse.util.async
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.dbutils.rst b/docs/sphinx/synapse.util.dbutils.rst
deleted file mode 100644
index afaa9eb749..0000000000
--- a/docs/sphinx/synapse.util.dbutils.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.dbutils module
-===========================
-
-.. automodule:: synapse.util.dbutils
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.http.rst b/docs/sphinx/synapse.util.http.rst
deleted file mode 100644
index 344af5a490..0000000000
--- a/docs/sphinx/synapse.util.http.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.http module
-========================
-
-.. automodule:: synapse.util.http
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.lockutils.rst b/docs/sphinx/synapse.util.lockutils.rst
deleted file mode 100644
index 16ee26cabd..0000000000
--- a/docs/sphinx/synapse.util.lockutils.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.lockutils module
-=============================
-
-.. automodule:: synapse.util.lockutils
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.logutils.rst b/docs/sphinx/synapse.util.logutils.rst
deleted file mode 100644
index 2b79fa7a4b..0000000000
--- a/docs/sphinx/synapse.util.logutils.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.logutils module
-============================
-
-.. automodule:: synapse.util.logutils
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.rst b/docs/sphinx/synapse.util.rst
deleted file mode 100644
index 01a0c3a591..0000000000
--- a/docs/sphinx/synapse.util.rst
+++ /dev/null
@@ -1,21 +0,0 @@
-synapse.util package
-====================
-
-Submodules
-----------
-
-.. toctree::
-
-   synapse.util.async
-   synapse.util.http
-   synapse.util.lockutils
-   synapse.util.logutils
-   synapse.util.stringutils
-
-Module contents
----------------
-
-.. automodule:: synapse.util
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/docs/sphinx/synapse.util.stringutils.rst b/docs/sphinx/synapse.util.stringutils.rst
deleted file mode 100644
index ec626eee28..0000000000
--- a/docs/sphinx/synapse.util.stringutils.rst
+++ /dev/null
@@ -1,7 +0,0 @@
-synapse.util.stringutils module
-===============================
-
-.. automodule:: synapse.util.stringutils
-    :members:
-    :undoc-members:
-    :show-inheritance:
diff --git a/scripts-dev/sphinx_api_docs.sh b/scripts-dev/sphinx_api_docs.sh
deleted file mode 100644
index ee72b29657..0000000000
--- a/scripts-dev/sphinx_api_docs.sh
+++ /dev/null
@@ -1 +0,0 @@
-sphinx-apidoc -o docs/sphinx/ synapse/ -ef
diff --git a/scripts/synapse_port_db b/scripts/synapse_port_db
index 7e12f5440c..2d0b59ab53 100755
--- a/scripts/synapse_port_db
+++ b/scripts/synapse_port_db
@@ -90,6 +90,7 @@ BOOLEAN_COLUMNS = {
     "room_stats_state": ["is_federatable"],
     "local_media_repository": ["safe_from_quarantine"],
     "users": ["shadow_banned"],
+    "e2e_fallback_keys_json": ["used"],
 }
 
 
diff --git a/setup.cfg b/setup.cfg
index a32278ea8a..f46e43fad0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,8 +1,3 @@
-[build_sphinx]
-source-dir = docs/sphinx
-build-dir  = docs/build
-all_files  = 1
-
 [trial]
 test_suite = tests
 
diff --git a/synapse/app/homeserver.py b/synapse/app/homeserver.py
index 4ed4a2c253..2b5465417f 100644
--- a/synapse/app/homeserver.py
+++ b/synapse/app/homeserver.py
@@ -56,7 +56,6 @@ from synapse.http.server import (
 from synapse.http.site import SynapseSite
 from synapse.logging.context import LoggingContext
 from synapse.metrics import METRICS_PREFIX, MetricsResource, RegistryProxy
-from synapse.module_api import ModuleApi
 from synapse.python_dependencies import check_requirements
 from synapse.replication.http import REPLICATION_PREFIX, ReplicationRestResource
 from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
@@ -106,7 +105,7 @@ class SynapseHomeServer(HomeServer):
 
         additional_resources = listener_config.http_options.additional_resources
         logger.debug("Configuring additional resources: %r", additional_resources)
-        module_api = ModuleApi(self, self.get_auth_handler())
+        module_api = self.get_module_api()
         for path, resmodule in additional_resources.items():
             handler_cls, config = load_module(resmodule)
             handler = handler_cls(config, module_api)
diff --git a/synapse/config/server.py b/synapse/config/server.py
index ef6d70e3f8..85aa49c02d 100644
--- a/synapse/config/server.py
+++ b/synapse/config/server.py
@@ -39,7 +39,7 @@ logger = logging.Logger(__name__)
 # in the list.
 DEFAULT_BIND_ADDRESSES = ["::", "0.0.0.0"]
 
-DEFAULT_ROOM_VERSION = "5"
+DEFAULT_ROOM_VERSION = "6"
 
 ROOM_COMPLEXITY_TOO_GREAT = (
     "Your homeserver is unable to join rooms this large or complex. "
diff --git a/synapse/event_auth.py b/synapse/event_auth.py
index 8c907ad596..56f8dc9caf 100644
--- a/synapse/event_auth.py
+++ b/synapse/event_auth.py
@@ -446,6 +446,8 @@ def check_redaction(
 
     if room_version_obj.event_format == EventFormatVersions.V1:
         redacter_domain = get_domain_from_id(event.event_id)
+        if not isinstance(event.redacts, str):
+            return False
         redactee_domain = get_domain_from_id(event.redacts)
         if redacter_domain == redactee_domain:
             return True
diff --git a/synapse/events/spamcheck.py b/synapse/events/spamcheck.py
index b0fc859a47..bad18f7fdf 100644
--- a/synapse/events/spamcheck.py
+++ b/synapse/events/spamcheck.py
@@ -17,24 +17,25 @@
 import inspect
 from typing import Any, Dict, List, Optional, Tuple
 
-from synapse.spam_checker_api import RegistrationBehaviour, SpamCheckerApi
+from synapse.spam_checker_api import RegistrationBehaviour
 from synapse.types import Collection
 
 MYPY = False
 if MYPY:
+    import synapse.events
     import synapse.server
 
 
 class SpamChecker:
     def __init__(self, hs: "synapse.server.HomeServer"):
         self.spam_checkers = []  # type: List[Any]
+        api = hs.get_module_api()
 
         for module, config in hs.config.spam_checkers:
             # Older spam checkers don't accept the `api` argument, so we
             # try and detect support.
             spam_args = inspect.getfullargspec(module)
             if "api" in spam_args.args:
-                api = SpamCheckerApi(hs)
                 self.spam_checkers.append(module(config=config, api=api))
             else:
                 self.spam_checkers.append(module(config=config))
diff --git a/synapse/events/third_party_rules.py b/synapse/events/third_party_rules.py
index fed459198a..1535cc5339 100644
--- a/synapse/events/third_party_rules.py
+++ b/synapse/events/third_party_rules.py
@@ -16,7 +16,6 @@ from typing import Callable
 
 from synapse.events import EventBase
 from synapse.events.snapshot import EventContext
-from synapse.module_api import ModuleApi
 from synapse.types import Requester, StateMap
 
 
@@ -40,7 +39,7 @@ class ThirdPartyEventRules:
 
         if module is not None:
             self.third_party_rules = module(
-                config=config, module_api=ModuleApi(hs, hs.get_auth_handler()),
+                config=config, module_api=hs.get_module_api(),
             )
 
     async def check_event_allowed(
@@ -61,12 +60,14 @@ class ThirdPartyEventRules:
         prev_state_ids = await context.get_prev_state_ids()
 
         # Retrieve the state events from the database.
-        state_events = {}
-        for key, event_id in prev_state_ids.items():
-            state_events[key] = await self.store.get_event(event_id, allow_none=True)
+        events = await self.store.get_events(prev_state_ids.values())
+        state_events = {(ev.type, ev.state_key): ev for ev in events.values()}
 
-        ret = await self.third_party_rules.check_event_allowed(event, state_events)
-        return ret
+        # The module can modify the event slightly if it wants, but caution should be
+        # exercised, and it's likely to go very wrong if applied to events received over
+        # federation.
+
+        return await self.third_party_rules.check_event_allowed(event, state_events)
 
     async def on_create_room(
         self, requester: Requester, config: dict, is_requester_admin: bool
@@ -131,7 +132,9 @@ class ThirdPartyEventRules:
         if self.third_party_rules is None:
             return True
 
-        check_func = getattr(self.third_party_rules, "check_visibility_can_be_modified")
+        check_func = getattr(
+            self.third_party_rules, "check_visibility_can_be_modified", None
+        )
         if not check_func or not isinstance(check_func, Callable):
             return True
 
diff --git a/synapse/handlers/auth.py b/synapse/handlers/auth.py
index 7c4b716b28..f6d17c53b1 100644
--- a/synapse/handlers/auth.py
+++ b/synapse/handlers/auth.py
@@ -164,7 +164,14 @@ class AuthHandler(BaseHandler):
 
         self.bcrypt_rounds = hs.config.bcrypt_rounds
 
+        # we can't use hs.get_module_api() here, because to do so will create an
+        # import loop.
+        #
+        # TODO: refactor this class to separate the lower-level stuff that
+        #   ModuleApi can use from the higher-level stuff that uses ModuleApi, as
+        #   better way to break the loop
         account_handler = ModuleApi(hs, self)
+
         self.password_providers = [
             module(config=config, account_handler=account_handler)
             for module, config in hs.config.password_providers
diff --git a/synapse/handlers/e2e_keys.py b/synapse/handlers/e2e_keys.py
index dd40fd1299..611742ae72 100644
--- a/synapse/handlers/e2e_keys.py
+++ b/synapse/handlers/e2e_keys.py
@@ -496,6 +496,22 @@ class E2eKeysHandler:
             log_kv(
                 {"message": "Did not update one_time_keys", "reason": "no keys given"}
             )
+        fallback_keys = keys.get("org.matrix.msc2732.fallback_keys", None)
+        if fallback_keys and isinstance(fallback_keys, dict):
+            log_kv(
+                {
+                    "message": "Updating fallback_keys for device.",
+                    "user_id": user_id,
+                    "device_id": device_id,
+                }
+            )
+            await self.store.set_e2e_fallback_keys(user_id, device_id, fallback_keys)
+        elif fallback_keys:
+            log_kv({"message": "Did not update fallback_keys", "reason": "not a dict"})
+        else:
+            log_kv(
+                {"message": "Did not update fallback_keys", "reason": "no keys given"}
+            )
 
         # the device should have been registered already, but it may have been
         # deleted due to a race with a DELETE request. Or we may be using an
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index a998e6b7f6..dd1f90e359 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -201,6 +201,8 @@ class SyncResult:
         device_lists: List of user_ids whose devices have changed
         device_one_time_keys_count: Dict of algorithm to count for one time keys
             for this device
+        device_unused_fallback_key_types: List of key types that have an unused fallback
+            key
         groups: Group updates, if any
     """
 
@@ -213,6 +215,7 @@ class SyncResult:
     to_device = attr.ib(type=List[JsonDict])
     device_lists = attr.ib(type=DeviceLists)
     device_one_time_keys_count = attr.ib(type=JsonDict)
+    device_unused_fallback_key_types = attr.ib(type=List[str])
     groups = attr.ib(type=Optional[GroupsSyncResult])
 
     def __bool__(self) -> bool:
@@ -1014,10 +1017,14 @@ class SyncHandler:
         logger.debug("Fetching OTK data")
         device_id = sync_config.device_id
         one_time_key_counts = {}  # type: JsonDict
+        unused_fallback_key_types = []  # type: List[str]
         if device_id:
             one_time_key_counts = await self.store.count_e2e_one_time_keys(
                 user_id, device_id
             )
+            unused_fallback_key_types = await self.store.get_e2e_unused_fallback_key_types(
+                user_id, device_id
+            )
 
         logger.debug("Fetching group data")
         await self._generate_sync_entry_for_groups(sync_result_builder)
@@ -1041,6 +1048,7 @@ class SyncHandler:
             device_lists=device_lists,
             groups=sync_result_builder.groups,
             device_one_time_keys_count=one_time_key_counts,
+            device_unused_fallback_key_types=unused_fallback_key_types,
             next_batch=sync_result_builder.now_token,
         )
 
diff --git a/synapse/http/server.py b/synapse/http/server.py
index 09ed74f6ce..00b98af3d4 100644
--- a/synapse/http/server.py
+++ b/synapse/http/server.py
@@ -651,6 +651,11 @@ def respond_with_json_bytes(
     Returns:
         twisted.web.server.NOT_DONE_YET if the request is still active.
     """
+    if request._disconnected:
+        logger.warning(
+            "Not sending response to request %s, already disconnected.", request
+        )
+        return
 
     request.setResponseCode(code)
     request.setHeader(b"Content-Type", b"application/json")
diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py
index 646f09d2bc..b410e3ad9c 100644
--- a/synapse/module_api/__init__.py
+++ b/synapse/module_api/__init__.py
@@ -14,13 +14,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Iterable, Optional, Tuple
 
 from twisted.internet import defer
 
 from synapse.http.client import SimpleHttpClient
 from synapse.http.site import SynapseRequest
 from synapse.logging.context import make_deferred_yieldable, run_in_background
+from synapse.storage.state import StateFilter
 from synapse.types import UserID
 
 if TYPE_CHECKING:
@@ -293,6 +294,32 @@ class ModuleApi:
             registered_user_id, request, client_redirect_url,
         )
 
+    @defer.inlineCallbacks
+    def get_state_events_in_room(
+        self, room_id: str, types: Iterable[Tuple[str, Optional[str]]]
+    ) -> defer.Deferred:
+        """Gets current state events for the given room.
+
+        (This is exposed for compatibility with the old SpamCheckerApi. We should
+        probably deprecate it and replace it with an async method in a subclass.)
+
+        Args:
+            room_id: The room ID to get state events in.
+            types: The event type and state key (using None
+                to represent 'any') of the room state to acquire.
+
+        Returns:
+            twisted.internet.defer.Deferred[list(synapse.events.FrozenEvent)]:
+                The filtered state events in the room.
+        """
+        state_ids = yield defer.ensureDeferred(
+            self._store.get_filtered_current_state_ids(
+                room_id=room_id, state_filter=StateFilter.from_types(types)
+            )
+        )
+        state = yield defer.ensureDeferred(self._store.get_events(state_ids.values()))
+        return state.values()
+
 
 class PublicRoomListManager:
     """Contains methods for adding to, removing from and querying whether a room
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index 6779df952f..2b84eb89c0 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -236,6 +236,7 @@ class SyncRestServlet(RestServlet):
                 "leave": sync_result.groups.leave,
             },
             "device_one_time_keys_count": sync_result.device_one_time_keys_count,
+            "org.matrix.msc2732.device_unused_fallback_key_types": sync_result.device_unused_fallback_key_types,
             "next_batch": await sync_result.next_batch.to_string(self.store),
         }
 
diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py
index 6568e61829..67aa993f19 100644
--- a/synapse/rest/media/v1/_base.py
+++ b/synapse/rest/media/v1/_base.py
@@ -213,6 +213,12 @@ async def respond_with_responder(
         file_size (int|None): Size in bytes of the media. If not known it should be None
         upload_name (str|None): The name of the requested file, if any.
     """
+    if request._disconnected:
+        logger.warning(
+            "Not sending response to request %s, already disconnected.", request
+        )
+        return
+
     if not responder:
         respond_404(request)
         return
diff --git a/synapse/server.py b/synapse/server.py
index aa2273955c..f83dd6148c 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -91,6 +91,7 @@ from synapse.handlers.typing import FollowerTypingHandler, TypingWriterHandler
 from synapse.handlers.user_directory import UserDirectoryHandler
 from synapse.http.client import InsecureInterceptableContextFactory, SimpleHttpClient
 from synapse.http.matrixfederationclient import MatrixFederationHttpClient
+from synapse.module_api import ModuleApi
 from synapse.notifier import Notifier
 from synapse.push.action_generator import ActionGenerator
 from synapse.push.pusherpool import PusherPool
@@ -656,6 +657,10 @@ class HomeServer(metaclass=abc.ABCMeta):
     def get_federation_ratelimiter(self) -> FederationRateLimiter:
         return FederationRateLimiter(self.clock, config=self.config.rc_federation)
 
+    @cache_in_self
+    def get_module_api(self) -> ModuleApi:
+        return ModuleApi(self, self.get_auth_handler())
+
     async def remove_pusher(self, app_id: str, push_key: str, user_id: str):
         return await self.get_pusherpool().remove_pusher(app_id, push_key, user_id)
 
diff --git a/synapse/spam_checker_api/__init__.py b/synapse/spam_checker_api/__init__.py
index 395ac5ab02..3ce25bb012 100644
--- a/synapse/spam_checker_api/__init__.py
+++ b/synapse/spam_checker_api/__init__.py
@@ -12,19 +12,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-import logging
 from enum import Enum
 
-from twisted.internet import defer
-
-from synapse.storage.state import StateFilter
-
-MYPY = False
-if MYPY:
-    import synapse.server
-
-logger = logging.getLogger(__name__)
-
 
 class RegistrationBehaviour(Enum):
     """
@@ -34,35 +23,3 @@ class RegistrationBehaviour(Enum):
     ALLOW = "allow"
     SHADOW_BAN = "shadow_ban"
     DENY = "deny"
-
-
-class SpamCheckerApi:
-    """A proxy object that gets passed to spam checkers so they can get
-    access to rooms and other relevant information.
-    """
-
-    def __init__(self, hs: "synapse.server.HomeServer"):
-        self.hs = hs
-
-        self._store = hs.get_datastore()
-
-    @defer.inlineCallbacks
-    def get_state_events_in_room(self, room_id: str, types: tuple) -> defer.Deferred:
-        """Gets state events for the given room.
-
-        Args:
-            room_id: The room ID to get state events in.
-            types: The event type and state key (using None
-                to represent 'any') of the room state to acquire.
-
-        Returns:
-            twisted.internet.defer.Deferred[list(synapse.events.FrozenEvent)]:
-                The filtered state events in the room.
-        """
-        state_ids = yield defer.ensureDeferred(
-            self._store.get_filtered_current_state_ids(
-                room_id=room_id, state_filter=StateFilter.from_types(types)
-            )
-        )
-        state = yield defer.ensureDeferred(self._store.get_events(state_ids.values()))
-        return state.values()
diff --git a/synapse/storage/databases/main/end_to_end_keys.py b/synapse/storage/databases/main/end_to_end_keys.py
index 22e1ed15d0..8c97f2af5c 100644
--- a/synapse/storage/databases/main/end_to_end_keys.py
+++ b/synapse/storage/databases/main/end_to_end_keys.py
@@ -367,6 +367,57 @@ class EndToEndKeyWorkerStore(SQLBaseStore):
             "count_e2e_one_time_keys", _count_e2e_one_time_keys
         )
 
+    async def set_e2e_fallback_keys(
+        self, user_id: str, device_id: str, fallback_keys: JsonDict
+    ) -> None:
+        """Set the user's e2e fallback keys.
+
+        Args:
+            user_id: the user whose keys are being set
+            device_id: the device whose keys are being set
+            fallback_keys: the keys to set.  This is a map from key ID (which is
+                of the form "algorithm:id") to key data.
+        """
+        # fallback_keys will usually only have one item in it, so using a for
+        # loop (as opposed to calling simple_upsert_many_txn) won't be too bad
+        # FIXME: make sure that only one key per algorithm is uploaded
+        for key_id, fallback_key in fallback_keys.items():
+            algorithm, key_id = key_id.split(":", 1)
+            await self.db_pool.simple_upsert(
+                "e2e_fallback_keys_json",
+                keyvalues={
+                    "user_id": user_id,
+                    "device_id": device_id,
+                    "algorithm": algorithm,
+                },
+                values={
+                    "key_id": key_id,
+                    "key_json": json_encoder.encode(fallback_key),
+                    "used": False,
+                },
+                desc="set_e2e_fallback_key",
+            )
+
+    @cached(max_entries=10000)
+    async def get_e2e_unused_fallback_key_types(
+        self, user_id: str, device_id: str
+    ) -> List[str]:
+        """Returns the fallback key types that have an unused key.
+
+        Args:
+            user_id: the user whose keys are being queried
+            device_id: the device whose keys are being queried
+
+        Returns:
+            a list of key types
+        """
+        return await self.db_pool.simple_select_onecol(
+            "e2e_fallback_keys_json",
+            keyvalues={"user_id": user_id, "device_id": device_id, "used": False},
+            retcol="algorithm",
+            desc="get_e2e_unused_fallback_key_types",
+        )
+
     async def get_e2e_cross_signing_key(
         self, user_id: str, key_type: str, from_user_id: Optional[str] = None
     ) -> Optional[dict]:
@@ -701,15 +752,37 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
                 " WHERE user_id = ? AND device_id = ? AND algorithm = ?"
                 " LIMIT 1"
             )
+            fallback_sql = (
+                "SELECT key_id, key_json, used FROM e2e_fallback_keys_json"
+                " WHERE user_id = ? AND device_id = ? AND algorithm = ?"
+                " LIMIT 1"
+            )
             result = {}
             delete = []
+            used_fallbacks = []
             for user_id, device_id, algorithm in query_list:
                 user_result = result.setdefault(user_id, {})
                 device_result = user_result.setdefault(device_id, {})
                 txn.execute(sql, (user_id, device_id, algorithm))
-                for key_id, key_json in txn:
+                otk_row = txn.fetchone()
+                if otk_row is not None:
+                    key_id, key_json = otk_row
                     device_result[algorithm + ":" + key_id] = key_json
                     delete.append((user_id, device_id, algorithm, key_id))
+                else:
+                    # no one-time key available, so see if there's a fallback
+                    # key
+                    txn.execute(fallback_sql, (user_id, device_id, algorithm))
+                    fallback_row = txn.fetchone()
+                    if fallback_row is not None:
+                        key_id, key_json, used = fallback_row
+                        device_result[algorithm + ":" + key_id] = key_json
+                        if not used:
+                            used_fallbacks.append(
+                                (user_id, device_id, algorithm, key_id)
+                            )
+
+            # drop any one-time keys that were claimed
             sql = (
                 "DELETE FROM e2e_one_time_keys_json"
                 " WHERE user_id = ? AND device_id = ? AND algorithm = ?"
@@ -726,6 +799,23 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
                 self._invalidate_cache_and_stream(
                     txn, self.count_e2e_one_time_keys, (user_id, device_id)
                 )
+            # mark fallback keys as used
+            for user_id, device_id, algorithm, key_id in used_fallbacks:
+                self.db_pool.simple_update_txn(
+                    txn,
+                    "e2e_fallback_keys_json",
+                    {
+                        "user_id": user_id,
+                        "device_id": device_id,
+                        "algorithm": algorithm,
+                        "key_id": key_id,
+                    },
+                    {"used": True},
+                )
+                self._invalidate_cache_and_stream(
+                    txn, self.get_e2e_unused_fallback_key_types, (user_id, device_id)
+                )
+
             return result
 
         return await self.db_pool.runInteraction(
@@ -754,6 +844,14 @@ class EndToEndKeyStore(EndToEndKeyWorkerStore, SQLBaseStore):
             self._invalidate_cache_and_stream(
                 txn, self.count_e2e_one_time_keys, (user_id, device_id)
             )
+            self.db_pool.simple_delete_txn(
+                txn,
+                table="e2e_fallback_keys_json",
+                keyvalues={"user_id": user_id, "device_id": device_id},
+            )
+            self._invalidate_cache_and_stream(
+                txn, self.get_e2e_unused_fallback_key_types, (user_id, device_id)
+            )
 
         await self.db_pool.runInteraction(
             "delete_e2e_keys_by_device", delete_e2e_keys_by_device_txn
diff --git a/synapse/storage/databases/main/schema/delta/58/11fallback.sql b/synapse/storage/databases/main/schema/delta/58/11fallback.sql
new file mode 100644
index 0000000000..4ed981dbf8
--- /dev/null
+++ b/synapse/storage/databases/main/schema/delta/58/11fallback.sql
@@ -0,0 +1,24 @@
+/* Copyright 2020 The Matrix.org Foundation C.I.C
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+CREATE TABLE IF NOT EXISTS e2e_fallback_keys_json (
+    user_id TEXT NOT NULL, -- The user this fallback key is for.
+    device_id TEXT NOT NULL, -- The device this fallback key is for.
+    algorithm TEXT NOT NULL, -- Which algorithm this fallback key is for.
+    key_id TEXT NOT NULL, -- An id for suppressing duplicate uploads.
+    key_json TEXT NOT NULL, -- The key as a JSON blob.
+    used BOOLEAN NOT NULL DEFAULT FALSE, -- Whether the key has been used or not.
+    CONSTRAINT e2e_fallback_keys_json_uniqueness UNIQUE (user_id, device_id, algorithm)
+);
diff --git a/tests/handlers/test_e2e_keys.py b/tests/handlers/test_e2e_keys.py
index 366dcfb670..4e9e3dcbc2 100644
--- a/tests/handlers/test_e2e_keys.py
+++ b/tests/handlers/test_e2e_keys.py
@@ -172,6 +172,71 @@ class E2eKeysHandlerTestCase(unittest.TestCase):
         )
 
     @defer.inlineCallbacks
+    def test_fallback_key(self):
+        local_user = "@boris:" + self.hs.hostname
+        device_id = "xyz"
+        fallback_key = {"alg1:k1": "key1"}
+        otk = {"alg1:k2": "key2"}
+
+        yield defer.ensureDeferred(
+            self.handler.upload_keys_for_user(
+                local_user,
+                device_id,
+                {"org.matrix.msc2732.fallback_keys": fallback_key},
+            )
+        )
+
+        # claiming an OTK when no OTKs are available should return the fallback
+        # key
+        res = yield defer.ensureDeferred(
+            self.handler.claim_one_time_keys(
+                {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+            )
+        )
+        self.assertEqual(
+            res,
+            {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+        )
+
+        # claiming an OTK again should return the same fallback key
+        res = yield defer.ensureDeferred(
+            self.handler.claim_one_time_keys(
+                {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+            )
+        )
+        self.assertEqual(
+            res,
+            {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+        )
+
+        # if the user uploads a one-time key, the next claim should fetch the
+        # one-time key, and then go back to the fallback
+        yield defer.ensureDeferred(
+            self.handler.upload_keys_for_user(
+                local_user, device_id, {"one_time_keys": otk}
+            )
+        )
+
+        res = yield defer.ensureDeferred(
+            self.handler.claim_one_time_keys(
+                {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+            )
+        )
+        self.assertEqual(
+            res, {"failures": {}, "one_time_keys": {local_user: {device_id: otk}}},
+        )
+
+        res = yield defer.ensureDeferred(
+            self.handler.claim_one_time_keys(
+                {"one_time_keys": {local_user: {device_id: "alg1"}}}, timeout=None
+            )
+        )
+        self.assertEqual(
+            res,
+            {"failures": {}, "one_time_keys": {local_user: {device_id: fallback_key}}},
+        )
+
+    @defer.inlineCallbacks
     def test_replace_master_key(self):
         """uploading a new signing key should make the old signing key unavailable"""
         local_user = "@boris:" + self.hs.hostname
diff --git a/tests/module_api/test_api.py b/tests/module_api/test_api.py
index 54600ad983..7c790bee7d 100644
--- a/tests/module_api/test_api.py
+++ b/tests/module_api/test_api.py
@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from synapse.module_api import ModuleApi
+
 from synapse.rest import admin
 from synapse.rest.client.v1 import login, room
 
@@ -28,7 +28,7 @@ class ModuleApiTestCase(HomeserverTestCase):
 
     def prepare(self, reactor, clock, homeserver):
         self.store = homeserver.get_datastore()
-        self.module_api = ModuleApi(homeserver, homeserver.get_auth_handler())
+        self.module_api = homeserver.get_module_api()
 
     def test_can_register_user(self):
         """Tests that an external module can register a user"""
diff --git a/tests/rest/client/test_third_party_rules.py b/tests/rest/client/test_third_party_rules.py
new file mode 100644
index 0000000000..c12518c931
--- /dev/null
+++ b/tests/rest/client/test_third_party_rules.py
@@ -0,0 +1,144 @@
+# -*- coding: utf-8 -*-
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+#
+# Licensed under the Apache License, Version 2.0 (the 'License');
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an 'AS IS' BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+import threading
+
+from mock import Mock
+
+from synapse.events import EventBase
+from synapse.rest import admin
+from synapse.rest.client.v1 import login, room
+from synapse.types import Requester, StateMap
+
+from tests import unittest
+
+thread_local = threading.local()
+
+
+class ThirdPartyRulesTestModule:
+    def __init__(self, config, module_api):
+        # keep a record of the "current" rules module, so that the test can patch
+        # it if desired.
+        thread_local.rules_module = self
+
+    async def on_create_room(
+        self, requester: Requester, config: dict, is_requester_admin: bool
+    ):
+        return True
+
+    async def check_event_allowed(self, event: EventBase, state: StateMap[EventBase]):
+        return True
+
+    @staticmethod
+    def parse_config(config):
+        return config
+
+
+def current_rules_module() -> ThirdPartyRulesTestModule:
+    return thread_local.rules_module
+
+
+class ThirdPartyRulesTestCase(unittest.HomeserverTestCase):
+    servlets = [
+        admin.register_servlets,
+        login.register_servlets,
+        room.register_servlets,
+    ]
+
+    def default_config(self):
+        config = super().default_config()
+        config["third_party_event_rules"] = {
+            "module": __name__ + ".ThirdPartyRulesTestModule",
+            "config": {},
+        }
+        return config
+
+    def prepare(self, reactor, clock, homeserver):
+        # Create a user and room to play with during the tests
+        self.user_id = self.register_user("kermit", "monkey")
+        self.tok = self.login("kermit", "monkey")
+
+        self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
+
+    def test_third_party_rules(self):
+        """Tests that a forbidden event is forbidden from being sent, but an allowed one
+        can be sent.
+        """
+        # patch the rules module with a Mock which will return False for some event
+        # types
+        async def check(ev, state):
+            return ev.type != "foo.bar.forbidden"
+
+        callback = Mock(spec=[], side_effect=check)
+        current_rules_module().check_event_allowed = callback
+
+        request, channel = self.make_request(
+            "PUT",
+            "/_matrix/client/r0/rooms/%s/send/foo.bar.allowed/1" % self.room_id,
+            {},
+            access_token=self.tok,
+        )
+        self.render(request)
+        self.assertEquals(channel.result["code"], b"200", channel.result)
+
+        callback.assert_called_once()
+
+        # there should be various state events in the state arg: do some basic checks
+        state_arg = callback.call_args[0][1]
+        for k in (("m.room.create", ""), ("m.room.member", self.user_id)):
+            self.assertIn(k, state_arg)
+            ev = state_arg[k]
+            self.assertEqual(ev.type, k[0])
+            self.assertEqual(ev.state_key, k[1])
+
+        request, channel = self.make_request(
+            "PUT",
+            "/_matrix/client/r0/rooms/%s/send/foo.bar.forbidden/1" % self.room_id,
+            {},
+            access_token=self.tok,
+        )
+        self.render(request)
+        self.assertEquals(channel.result["code"], b"403", channel.result)
+
+    def test_modify_event(self):
+        """Tests that the module can successfully tweak an event before it is persisted.
+        """
+        # first patch the event checker so that it will modify the event
+        async def check(ev: EventBase, state):
+            ev.content = {"x": "y"}
+            return True
+
+        current_rules_module().check_event_allowed = check
+
+        # now send the event
+        request, channel = self.make_request(
+            "PUT",
+            "/_matrix/client/r0/rooms/%s/send/modifyme/1" % self.room_id,
+            {"x": "x"},
+            access_token=self.tok,
+        )
+        self.render(request)
+        self.assertEqual(channel.result["code"], b"200", channel.result)
+        event_id = channel.json_body["event_id"]
+
+        # ... and check that it got modified
+        request, channel = self.make_request(
+            "GET",
+            "/_matrix/client/r0/rooms/%s/event/%s" % (self.room_id, event_id),
+            access_token=self.tok,
+        )
+        self.render(request)
+        self.assertEqual(channel.result["code"], b"200", channel.result)
+        ev = channel.json_body
+        self.assertEqual(ev["content"]["x"], "y")
diff --git a/tests/rest/client/third_party_rules.py b/tests/rest/client/third_party_rules.py
deleted file mode 100644
index 715e87de08..0000000000
--- a/tests/rest/client/third_party_rules.py
+++ /dev/null
@@ -1,86 +0,0 @@
-# -*- coding: utf-8 -*-
-# Copyright 2019 The Matrix.org Foundation C.I.C.
-#
-# Licensed under the Apache License, Version 2.0 (the 'License');
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an 'AS IS' BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-from synapse.rest import admin
-from synapse.rest.client.v1 import login, room
-from synapse.types import Requester
-
-from tests import unittest
-
-
-class ThirdPartyRulesTestModule:
-    def __init__(self, config, *args, **kwargs):
-        pass
-
-    async def on_create_room(
-        self, requester: Requester, config: dict, is_requester_admin: bool
-    ):
-        return True
-
-    async def check_event_allowed(self, event, context):
-        if event.type == "foo.bar.forbidden":
-            return False
-        else:
-            return True
-
-    @staticmethod
-    def parse_config(config):
-        return config
-
-
-class ThirdPartyRulesTestCase(unittest.HomeserverTestCase):
-    servlets = [
-        admin.register_servlets,
-        login.register_servlets,
-        room.register_servlets,
-    ]
-
-    def make_homeserver(self, reactor, clock):
-        config = self.default_config()
-        config["third_party_event_rules"] = {
-            "module": "tests.rest.client.third_party_rules.ThirdPartyRulesTestModule",
-            "config": {},
-        }
-
-        self.hs = self.setup_test_homeserver(config=config)
-        return self.hs
-
-    def prepare(self, reactor, clock, homeserver):
-        # Create a user and room to play with during the tests
-        self.user_id = self.register_user("kermit", "monkey")
-        self.tok = self.login("kermit", "monkey")
-
-        self.room_id = self.helper.create_room_as(self.user_id, tok=self.tok)
-
-    def test_third_party_rules(self):
-        """Tests that a forbidden event is forbidden from being sent, but an allowed one
-        can be sent.
-        """
-        request, channel = self.make_request(
-            "PUT",
-            "/_matrix/client/r0/rooms/%s/send/foo.bar.allowed/1" % self.room_id,
-            {},
-            access_token=self.tok,
-        )
-        self.render(request)
-        self.assertEquals(channel.result["code"], b"200", channel.result)
-
-        request, channel = self.make_request(
-            "PUT",
-            "/_matrix/client/r0/rooms/%s/send/foo.bar.forbidden/1" % self.room_id,
-            {},
-            access_token=self.tok,
-        )
-        self.render(request)
-        self.assertEquals(channel.result["code"], b"403", channel.result)
diff --git a/tests/rest/client/v1/test_directory.py b/tests/rest/client/v1/test_directory.py
index 633b7dbda0..ea5a7f3739 100644
--- a/tests/rest/client/v1/test_directory.py
+++ b/tests/rest/client/v1/test_directory.py
@@ -21,6 +21,7 @@ from synapse.types import RoomAlias
 from synapse.util.stringutils import random_string
 
 from tests import unittest
+from tests.unittest import override_config
 
 
 class DirectoryTestCase(unittest.HomeserverTestCase):
@@ -67,10 +68,18 @@ class DirectoryTestCase(unittest.HomeserverTestCase):
         self.ensure_user_joined_room()
         self.set_alias_via_directory(400, alias_length=256)
 
-    def test_state_event_in_room(self):
+    @override_config({"default_room_version": 5})
+    def test_state_event_user_in_v5_room(self):
+        """Test that a regular user can add alias events before room v6"""
         self.ensure_user_joined_room()
         self.set_alias_via_state_event(200)
 
+    @override_config({"default_room_version": 6})
+    def test_state_event_v6_room(self):
+        """Test that a regular user can *not* add alias events from room v6"""
+        self.ensure_user_joined_room()
+        self.set_alias_via_state_event(403)
+
     def test_directory_in_room(self):
         self.ensure_user_joined_room()
         self.set_alias_via_directory(200)