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diff --git a/latest/print.html b/latest/print.html index ceb5af3661..b024eb272a 100644 --- a/latest/print.html +++ b/latest/print.html @@ -77,7 +77,7 @@ <nav id="sidebar" class="sidebar" aria-label="Table of contents"> <div class="sidebar-scrollbox"> - <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="turn-howto.html">Configuring a Turn Server</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="setup/turn/coturn.html">coturn TURN server</a></li><li class="chapter-item expanded "><a href="setup/turn/eturnal.html">eturnal TURN server</a></li></ol></li><li class="chapter-item expanded "><a href="delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a href="upgrade.html">Upgrading between Synapse Versions</a></li><li class="chapter-item expanded affix "><li class="part-title">Usage</li><li class="chapter-item expanded "><a href="federate.html">Federation</a></li><li class="chapter-item expanded "><a href="usage/configuration/index.html">Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/configuration/config_documentation.html">Configuration Manual</a></li><li class="chapter-item expanded "><a href="usage/configuration/homeserver_sample_config.html">Homeserver Sample Config File</a></li><li class="chapter-item expanded "><a href="usage/configuration/logging_sample_config.html">Logging Sample Config File</a></li><li class="chapter-item expanded "><a href="structured_logging.html">Structured Logging</a></li><li class="chapter-item expanded "><a href="templates.html">Templates</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/index.html">User Authentication</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/index.html">Single-Sign On</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="openid.html">OpenID Connect</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/cas.html">CAS</a></li><li class="chapter-item expanded "><a href="sso_mapping_providers.html">SSO Mapping Providers</a></li></ol></li><li class="chapter-item expanded "><a href="password_auth_providers.html">Password Auth Providers</a></li><li class="chapter-item expanded "><a href="jwt.html">JSON Web Tokens</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/refresh_tokens.html">Refresh Tokens</a></li></ol></li><li class="chapter-item expanded "><a href="CAPTCHA_SETUP.html">Registration Captcha</a></li><li class="chapter-item expanded "><a href="application_services.html">Application Services</a></li><li class="chapter-item expanded "><a href="server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="consent_tracking.html">Consent Tracking</a></li><li class="chapter-item expanded "><a href="user_directory.html">User Directory</a></li><li class="chapter-item expanded "><a href="message_retention_policies.html">Message Retention Policies</a></li><li class="chapter-item expanded "><a href="modules/index.html">Pluggable Modules</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="modules/writing_a_module.html">Writing a module</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="modules/spam_checker_callbacks.html">Spam checker callbacks</a></li><li class="chapter-item expanded "><a href="modules/third_party_rules_callbacks.html">Third-party rules callbacks</a></li><li class="chapter-item expanded "><a href="modules/presence_router_callbacks.html">Presence router callbacks</a></li><li class="chapter-item expanded "><a href="modules/account_validity_callbacks.html">Account validity callbacks</a></li><li class="chapter-item expanded "><a href="modules/password_auth_provider_callbacks.html">Password auth provider callbacks</a></li><li class="chapter-item expanded "><a href="modules/background_update_controller_callbacks.html">Background update controller callbacks</a></li><li class="chapter-item expanded "><a href="modules/account_data_callbacks.html">Account data callbacks</a></li><li class="chapter-item expanded "><a href="modules/porting_legacy_module.html">Porting a legacy module to the new interface</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/administration/admin_api/index.html">Admin API</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="admin_api/account_validity.html">Account Validity</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/background_updates.html">Background Updates</a></li><li class="chapter-item expanded "><a href="admin_api/event_reports.html">Event Reports</a></li><li class="chapter-item expanded "><a href="admin_api/media_admin_api.html">Media</a></li><li class="chapter-item expanded "><a href="admin_api/purge_history_api.html">Purge History</a></li><li class="chapter-item expanded "><a href="admin_api/register_api.html">Register Users</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/registration_tokens.html">Registration Tokens</a></li><li class="chapter-item expanded "><a href="admin_api/room_membership.html">Manipulate Room Membership</a></li><li class="chapter-item expanded "><a href="admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="admin_api/version_api.html">Server Version</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/federation.html">Federation</a></li></ol></li><li class="chapter-item expanded "><a href="manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="metrics-howto.html">Monitoring</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/administration/monitoring/reporting_homeserver_usage_statistics.html">Reporting Homeserver Usage Statistics</a></li></ol></li><li class="chapter-item expanded "><a href="usage/administration/monthly_active_users.html">Monthly Active Users</a></li><li class="chapter-item expanded "><a href="usage/administration/understanding_synapse_through_grafana_graphs.html">Understanding Synapse Through Grafana Graphs</a></li><li class="chapter-item expanded "><a href="usage/administration/useful_sql_for_admins.html">Useful SQL for Admins</a></li><li class="chapter-item expanded "><a href="usage/administration/database_maintenance_tools.html">Database Maintenance Tools</a></li><li class="chapter-item expanded "><a href="usage/administration/state_groups.html">State Groups</a></li><li class="chapter-item expanded "><a href="usage/administration/request_log.html">Request log format</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_faq.html">Admin FAQ</a></li><li class="chapter-item expanded "><div>Scripts</div></li></ol></li><li class="chapter-item expanded "><li class="part-title">Development</li><li class="chapter-item expanded "><a href="development/contributing_guide.html">Contributing Guide</a></li><li class="chapter-item expanded "><a href="code_style.html">Code Style</a></li><li class="chapter-item expanded "><a href="development/reviews.html">Reviewing Code</a></li><li class="chapter-item expanded "><a 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href="auth_chain_difference_algorithm.html">The Auth Chain Difference Algorithm</a></li></ol></li><li class="chapter-item expanded "><a href="media_repository.html">Media Repository</a></li><li class="chapter-item expanded "><a href="room_and_user_statistics.html">Room and User Statistics</a></li></ol></li><li class="chapter-item expanded "><div>Scripts</div></li><li class="chapter-item expanded affix "><li class="part-title">Other</li><li class="chapter-item expanded "><a href="deprecation_policy.html">Dependency Deprecation Policy</a></li><li class="chapter-item expanded "><a href="other/running_synapse_on_single_board_computers.html">Running Synapse on a Single-Board Computer</a></li></ol> + <ol class="chapter"><li class="chapter-item expanded affix "><li class="part-title">Introduction</li><li class="chapter-item expanded "><a href="welcome_and_overview.html">Welcome and Overview</a></li><li class="chapter-item expanded affix "><li class="part-title">Setup</li><li class="chapter-item expanded "><a href="setup/installation.html">Installation</a></li><li class="chapter-item expanded "><a href="postgres.html">Using Postgres</a></li><li class="chapter-item expanded "><a href="reverse_proxy.html">Configuring a Reverse Proxy</a></li><li class="chapter-item expanded "><a href="setup/forward_proxy.html">Configuring a Forward/Outbound Proxy</a></li><li class="chapter-item expanded "><a href="turn-howto.html">Configuring a Turn Server</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="setup/turn/coturn.html">coturn TURN server</a></li><li class="chapter-item expanded "><a href="setup/turn/eturnal.html">eturnal TURN server</a></li></ol></li><li class="chapter-item expanded "><a href="delegate.html">Delegation</a></li><li class="chapter-item expanded affix "><li class="part-title">Upgrading</li><li class="chapter-item expanded "><a href="upgrade.html">Upgrading between Synapse Versions</a></li><li class="chapter-item expanded affix "><li class="part-title">Usage</li><li class="chapter-item expanded "><a href="federate.html">Federation</a></li><li class="chapter-item expanded "><a href="usage/configuration/index.html">Configuration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/configuration/config_documentation.html">Configuration Manual</a></li><li class="chapter-item expanded "><a href="usage/configuration/homeserver_sample_config.html">Homeserver Sample Config File</a></li><li class="chapter-item expanded "><a href="usage/configuration/logging_sample_config.html">Logging Sample Config File</a></li><li class="chapter-item expanded "><a href="structured_logging.html">Structured Logging</a></li><li class="chapter-item expanded "><a href="templates.html">Templates</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/index.html">User Authentication</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/index.html">Single-Sign On</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="openid.html">OpenID Connect</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/single_sign_on/cas.html">CAS</a></li><li class="chapter-item expanded "><a href="sso_mapping_providers.html">SSO Mapping Providers</a></li></ol></li><li class="chapter-item expanded "><a href="password_auth_providers.html">Password Auth Providers</a></li><li class="chapter-item expanded "><a href="jwt.html">JSON Web Tokens</a></li><li class="chapter-item expanded "><a href="usage/configuration/user_authentication/refresh_tokens.html">Refresh Tokens</a></li></ol></li><li class="chapter-item expanded "><a href="CAPTCHA_SETUP.html">Registration Captcha</a></li><li class="chapter-item expanded "><a href="application_services.html">Application Services</a></li><li class="chapter-item expanded "><a href="server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="consent_tracking.html">Consent Tracking</a></li><li class="chapter-item expanded "><a href="user_directory.html">User Directory</a></li><li class="chapter-item expanded "><a href="message_retention_policies.html">Message Retention Policies</a></li><li class="chapter-item expanded "><a href="modules/index.html">Pluggable Modules</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="modules/writing_a_module.html">Writing a module</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="modules/spam_checker_callbacks.html">Spam checker callbacks</a></li><li class="chapter-item expanded "><a href="modules/third_party_rules_callbacks.html">Third-party rules callbacks</a></li><li class="chapter-item expanded "><a href="modules/presence_router_callbacks.html">Presence router callbacks</a></li><li class="chapter-item expanded "><a href="modules/account_validity_callbacks.html">Account validity callbacks</a></li><li class="chapter-item expanded "><a href="modules/password_auth_provider_callbacks.html">Password auth provider callbacks</a></li><li class="chapter-item expanded "><a href="modules/background_update_controller_callbacks.html">Background update controller callbacks</a></li><li class="chapter-item expanded "><a href="modules/account_data_callbacks.html">Account data callbacks</a></li><li class="chapter-item expanded "><a href="modules/porting_legacy_module.html">Porting a legacy module to the new interface</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="workers.html">Workers</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="synctl_workers.html">Using synctl with Workers</a></li><li class="chapter-item expanded "><a href="systemd-with-workers/index.html">Systemd</a></li></ol></li></ol></li><li class="chapter-item expanded "><a href="usage/administration/index.html">Administration</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/administration/admin_api/index.html">Admin API</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="admin_api/account_validity.html">Account Validity</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/background_updates.html">Background Updates</a></li><li class="chapter-item expanded "><a href="admin_api/event_reports.html">Event Reports</a></li><li class="chapter-item expanded "><a href="admin_api/experimental_features.html">Experimental Features</a></li><li class="chapter-item expanded "><a href="admin_api/media_admin_api.html">Media</a></li><li class="chapter-item expanded "><a href="admin_api/purge_history_api.html">Purge History</a></li><li class="chapter-item expanded "><a href="admin_api/register_api.html">Register Users</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/registration_tokens.html">Registration Tokens</a></li><li class="chapter-item expanded "><a href="admin_api/room_membership.html">Manipulate Room Membership</a></li><li class="chapter-item expanded "><a href="admin_api/rooms.html">Rooms</a></li><li class="chapter-item expanded "><a href="admin_api/server_notices.html">Server Notices</a></li><li class="chapter-item expanded "><a href="admin_api/statistics.html">Statistics</a></li><li class="chapter-item expanded "><a href="admin_api/user_admin_api.html">Users</a></li><li class="chapter-item expanded "><a href="admin_api/version_api.html">Server Version</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_api/federation.html">Federation</a></li></ol></li><li class="chapter-item expanded "><a href="manhole.html">Manhole</a></li><li class="chapter-item expanded "><a href="metrics-howto.html">Monitoring</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="usage/administration/monitoring/reporting_homeserver_usage_statistics.html">Reporting Homeserver Usage Statistics</a></li></ol></li><li class="chapter-item expanded "><a href="usage/administration/monthly_active_users.html">Monthly Active Users</a></li><li class="chapter-item expanded "><a href="usage/administration/understanding_synapse_through_grafana_graphs.html">Understanding Synapse Through Grafana Graphs</a></li><li class="chapter-item expanded "><a href="usage/administration/useful_sql_for_admins.html">Useful SQL for Admins</a></li><li class="chapter-item expanded "><a href="usage/administration/database_maintenance_tools.html">Database Maintenance Tools</a></li><li class="chapter-item expanded "><a href="usage/administration/state_groups.html">State Groups</a></li><li class="chapter-item expanded "><a href="usage/administration/request_log.html">Request log format</a></li><li class="chapter-item expanded "><a href="usage/administration/admin_faq.html">Admin FAQ</a></li><li class="chapter-item expanded "><div>Scripts</div></li></ol></li><li class="chapter-item expanded "><li class="part-title">Development</li><li class="chapter-item expanded "><a href="development/contributing_guide.html">Contributing Guide</a></li><li class="chapter-item expanded "><a href="code_style.html">Code Style</a></li><li class="chapter-item expanded "><a href="development/reviews.html">Reviewing Code</a></li><li class="chapter-item expanded "><a href="development/releases.html">Release Cycle</a></li><li class="chapter-item expanded "><a href="development/git.html">Git Usage</a></li><li class="chapter-item expanded "><div>Testing</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="development/demo.html">Demo scripts</a></li></ol></li><li class="chapter-item expanded "><a href="opentracing.html">OpenTracing</a></li><li class="chapter-item expanded "><a href="development/database_schema.html">Database Schemas</a></li><li class="chapter-item expanded "><a href="development/experimental_features.html">Experimental features</a></li><li class="chapter-item expanded "><a href="development/dependencies.html">Dependency management</a></li><li class="chapter-item expanded "><div>Synapse Architecture</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="development/synapse_architecture/cancellation.html">Cancellation</a></li><li class="chapter-item expanded "><a href="log_contexts.html">Log Contexts</a></li><li class="chapter-item expanded "><a href="replication.html">Replication</a></li><li class="chapter-item expanded "><a href="tcp_replication.html">TCP Replication</a></li><li class="chapter-item expanded "><a href="development/synapse_architecture/faster_joins.html">Faster remote joins</a></li></ol></li><li class="chapter-item expanded "><a href="development/internal_documentation/index.html">Internal Documentation</a></li><li><ol class="section"><li class="chapter-item expanded "><div>Single Sign-On</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="development/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="development/cas.html">CAS</a></li></ol></li><li class="chapter-item expanded "><a href="development/room-dag-concepts.html">Room DAG concepts</a></li><li class="chapter-item expanded "><div>State Resolution</div></li><li><ol class="section"><li class="chapter-item expanded "><a href="auth_chain_difference_algorithm.html">The Auth Chain Difference Algorithm</a></li></ol></li><li class="chapter-item expanded "><a href="media_repository.html">Media Repository</a></li><li class="chapter-item expanded "><a href="room_and_user_statistics.html">Room and User Statistics</a></li></ol></li><li class="chapter-item expanded "><div>Scripts</div></li><li class="chapter-item expanded affix "><li class="part-title">Other</li><li class="chapter-item expanded "><a href="deprecation_policy.html">Dependency Deprecation Policy</a></li><li class="chapter-item expanded "><a href="other/running_synapse_on_single_board_computers.html">Running Synapse on a Single-Board Computer</a></li></ol> </div> <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div> </nav> @@ -10850,14 +10850,73 @@ may wish to run multiple groups of workers handling different endpoints so that load balancing can be done in different ways.</p> <p>For <code>/sync</code> and <code>/initialSync</code> requests it will be more efficient if all requests from a particular user are routed to a single instance. This can -be done e.g. in nginx via IP <code>hash $http_x_forwarded_for;</code> or via -<code>hash $http_authorization consistent;</code> which contains the users access token.</p> +be done in reverse proxy by extracting username part from the users access token.</p> <p>Admins may additionally wish to separate out <code>/sync</code> requests that have a <code>since</code> query parameter from those that don't (and <code>/initialSync</code>), as requests that don't are known as "initial sync" that happens when a user logs in on a new device and can be <em>very</em> resource intensive, so isolating these requests will stop them from interfering with other users ongoing syncs.</p> +<p>Example <code>nginx</code> configuration snippet that handles the cases above. This is just an +example and probably requires some changes according to your particular setup:</p> +<pre><code class="language-nginx"># Choose sync worker based on the existence of "since" query parameter +map $arg_since $sync { + default synapse_sync; + '' synapse_initial_sync; +} + +# Extract username from access token passed as URL parameter +map $arg_access_token $accesstoken_from_urlparam { + # Defaults to just passing back the whole accesstoken + default $arg_access_token; + # Try to extract username part from accesstoken URL parameter + "~syt_(?<username>.*?)_.*" $username; +} + +# Extract username from access token passed as authorization header +map $http_authorization $mxid_localpart { + # Defaults to just passing back the whole accesstoken + default $http_authorization; + # Try to extract username part from accesstoken header + "~Bearer syt_(?<username>.*?)_.*" $username; + # if no authorization-header exist, try mapper for URL parameter "access_token" + "" $accesstoken_from_urlparam; +} + +upstream synapse_initial_sync { + # Use the username mapper result for hash key + hash $mxid_localpart consistent; + server 127.0.0.1:8016; + server 127.0.0.1:8036; +} + +upstream synapse_sync { + # Use the username mapper result for hash key + hash $mxid_localpart consistent; + server 127.0.0.1:8013; + server 127.0.0.1:8037; + server 127.0.0.1:8038; + server 127.0.0.1:8039; +} + +# Sync initial/normal +location ~ ^/_matrix/client/(r0|v3)/sync$ { + proxy_pass http://$sync; +} + +# Normal sync +location ~ ^/_matrix/client/(api/v1|r0|v3)/events$ { + proxy_pass http://synapse_sync; +} + +# Initial_sync +location ~ ^/_matrix/client/(api/v1|r0|v3)/initialSync$ { + proxy_pass http://synapse_initial_sync; +} +location ~ ^/_matrix/client/(api/v1|r0|v3)/rooms/[^/]+/initialSync$ { + proxy_pass http://synapse_initial_sync; +} +</code></pre> <p>Federation and client requests can be balanced via simple round robin.</p> <p>The inbound federation transaction request <code>^/_matrix/federation/v1/send/</code> should be balanced by source IP so that transactions from the same remote server @@ -11631,6 +11690,44 @@ will be an empty JSON object.</p> <ul> <li><code>report_id</code>: string - The ID of the event report.</li> </ul> +<div style="break-before: page; page-break-before: always;"></div><h1 id="experimental-features-api"><a class="header" href="#experimental-features-api">Experimental Features API</a></h1> +<p>This API allows a server administrator to enable or disable some experimental features on a per-user +basis. Currently supported features are <a href="https://github.com/matrix-org/matrix-spec-proposals/pull/3026">msc3026</a>: busy +presence state enabled, <a href="https://github.com/matrix-org/matrix-spec-proposals/pull/2654">msc2654</a>: enable unread counts, +<a href="https://github.com/matrix-org/matrix-spec-proposals/pull/3881">msc3881</a>: enable remotely toggling push notifications +for another client, and <a href="https://github.com/matrix-org/matrix-spec-proposals/pull/3967">msc3967</a>: do not require +UIA when first uploading cross-signing keys. </p> +<p>To use it, you will need to authenticate by providing an <code>access_token</code> +for a server admin: see <a href="admin_api/../usage/administration/admin_api/">Admin API</a>.</p> +<h2 id="enablingdisabling-features"><a class="header" href="#enablingdisabling-features">Enabling/Disabling Features</a></h2> +<p>This API allows a server administrator to enable experimental features for a given user. The request must +provide a body containing the user id and listing the features to enable/disable in the following format:</p> +<pre><code class="language-json">{ + "features": { + "msc3026":true, + "msc2654":true + } +} +</code></pre> +<p>where true is used to enable the feature, and false is used to disable the feature.</p> +<p>The API is:</p> +<pre><code>PUT /_synapse/admin/v1/experimental_features/<user_id> +</code></pre> +<h2 id="listing-enabled-features"><a class="header" href="#listing-enabled-features">Listing Enabled Features</a></h2> +<p>To list which features are enabled/disabled for a given user send a request to the following API:</p> +<pre><code>GET /_synapse/admin/v1/experimental_features/<user_id> +</code></pre> +<p>It will return a list of possible features and indicate whether they are enabled or disabled for the +user like so:</p> +<pre><code class="language-json">{ + "features": { + "msc3026": true, + "msc2654": true, + "msc3881": false, + "msc3967": false + } +} +</code></pre> <div style="break-before: page; page-break-before: always;"></div><h1 id="querying-media"><a class="header" href="#querying-media">Querying media</a></h1> <p>These APIs allow extracting media information from the homeserver.</p> <p>Details about the format of the <code>media_id</code> and storage of the media in the file system @@ -13296,6 +13393,40 @@ about the user and their local media. Objects contain the following fields: <li><code>next_token</code> - integer - Opaque value used for pagination. See above.</li> <li><code>total</code> - integer - Total number of users after filtering.</li> </ul> +<h1 id="get-largest-rooms-by-size-in-database"><a class="header" href="#get-largest-rooms-by-size-in-database">Get largest rooms by size in database</a></h1> +<p>Returns the 10 largest rooms and an estimate of how much space in the database +they are taking.</p> +<p>This does not include the size of any associated media associated with the room.</p> +<p>Returns an error on SQLite.</p> +<p><em>Note:</em> This uses the planner statistics from PostgreSQL to do the estimates, +which means that the returned information can vary widely from reality. However, +it should be enough to get a rough idea of where database disk space is going.</p> +<p>The API is:</p> +<pre><code>GET /_synapse/admin/v1/statistics/statistics/database/rooms +</code></pre> +<p>A response body like the following is returned:</p> +<pre><code class="language-json">{ + "rooms": [ + { + "room_id": "!OGEhHVWSdvArJzumhm:matrix.org", + "estimated_size": 47325417353 + } + ], +} +</code></pre> +<p><strong>Response</strong></p> +<p>The following fields are returned in the JSON response body:</p> +<ul> +<li><code>rooms</code> - An array of objects, sorted by largest room first. Objects contain +the following fields: +<ul> +<li><code>room_id</code> - string - The room ID.</li> +<li><code>estimated_size</code> - integer - Estimated disk space used in bytes by the room +in the database.</li> +</ul> +</li> +</ul> +<p><em>Added in Synapse 1.83.0</em></p> <div style="break-before: page; page-break-before: always;"></div><h1 id="user-admin-api"><a class="header" href="#user-admin-api">User Admin API</a></h1> <p>To use it, you will need to authenticate by providing an <code>access_token</code> for a server admin: see <a href="admin_api/../usage/administration/admin_api/">Admin API</a>.</p> @@ -16471,39 +16602,10 @@ def run_upgrade( <h2 id="boolean-columns"><a class="header" href="#boolean-columns">Boolean columns</a></h2> <p>Boolean columns require special treatment, since SQLite treats booleans the same as integers.</p> -<p>There are three separate aspects to this:</p> -<ul> -<li> <p>Any new boolean column must be added to the <code>BOOLEAN_COLUMNS</code> list in <code>synapse/_scripts/synapse_port_db.py</code>. This tells the port script to cast the integer value from SQLite to a boolean before writing the value to the postgres database.</p> -</li> -<li> -<p>Before SQLite 3.23, <code>TRUE</code> and <code>FALSE</code> were not recognised as constants by -SQLite, and the <code>IS [NOT] TRUE</code>/<code>IS [NOT] FALSE</code> operators were not -supported. This makes it necessary to avoid using <code>TRUE</code> and <code>FALSE</code> -constants in SQL commands.</p> -<p>For example, to insert a <code>TRUE</code> value into the database, write:</p> -<pre><code class="language-python">txn.execute("INSERT INTO tbl(col) VALUES (?)", (True, )) -</code></pre> -</li> -<li> -<p>Default values for new boolean columns present a particular -difficulty. Generally it is best to create separate schema files for -Postgres and SQLite. For example:</p> -<pre><code class="language-sql"># in 00delta.sql.postgres: -ALTER TABLE tbl ADD COLUMN col BOOLEAN DEFAULT FALSE; -</code></pre> -<pre><code class="language-sql"># in 00delta.sql.sqlite: -ALTER TABLE tbl ADD COLUMN col BOOLEAN DEFAULT 0; -</code></pre> -<p>Note that there is a particularly insidious failure mode here: the Postgres -flavour will be accepted by SQLite 3.22, but will give a column whose -default value is the <strong>string</strong> <code>"FALSE"</code> - which, when cast back to a boolean -in Python, evaluates to <code>True</code>.</p> -</li> -</ul> <h2 id="event_id-global-uniqueness"><a class="header" href="#event_id-global-uniqueness"><code>event_id</code> global uniqueness</a></h2> <p><code>event_id</code>'s can be considered globally unique although there has been a lot of debate on this topic in places like |