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diff --git a/v1.38/spam_checker.html b/v1.38/spam_checker.html new file mode 100644 index 0000000000..c84e17c8ea --- /dev/null +++ b/v1.38/spam_checker.html @@ -0,0 +1,358 @@ +<!DOCTYPE HTML> +<html lang="en" class="sidebar-visible no-js light"> + <head> + <!-- Book generated using mdBook --> + <meta charset="UTF-8"> + <title>Spam Checker - Synapse</title> + + + + + <!-- Custom HTML head --> + + + + <meta content="text/html; charset=utf-8" http-equiv="Content-Type"> + <meta name="description" content=""> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <meta name="theme-color" content="#ffffff" /> + + + <link rel="icon" href="favicon.svg"> + + + <link rel="shortcut icon" href="favicon.png"> + + <link rel="stylesheet" href="css/variables.css"> + <link rel="stylesheet" href="css/general.css"> + <link rel="stylesheet" href="css/chrome.css"> + + <link rel="stylesheet" href="css/print.css" media="print"> + + + <!-- Fonts --> + <link rel="stylesheet" href="FontAwesome/css/font-awesome.css"> + + <link rel="stylesheet" href="fonts/fonts.css"> + + + <!-- Highlight.js Stylesheets --> + <link rel="stylesheet" href="highlight.css"> + <link rel="stylesheet" href="tomorrow-night.css"> + <link rel="stylesheet" href="ayu-highlight.css"> + + <!-- Custom theme stylesheets --> + + <link rel="stylesheet" href="docs/website_files/table-of-contents.css"> + + <link rel="stylesheet" href="docs/website_files/remove-nav-buttons.css"> + + <link rel="stylesheet" href="docs/website_files/indent-section-headers.css"> + + + + </head> + <body> + <!-- Provide site root to javascript --> + <script type="text/javascript"> + var path_to_root = ""; + var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? 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Architecture</div></li><li><ol class="section"><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></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="dev/saml.html">SAML</a></li><li class="chapter-item expanded "><a href="dev/cas.html">CAS</a></li></ol></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></ol> + </div> + <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div> + </nav> + + <div id="page-wrapper" class="page-wrapper"> + + <div class="page"> + + <div id="menu-bar-hover-placeholder"></div> + <div id="menu-bar" class="menu-bar sticky bordered"> + <div class="left-buttons"> + <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar"> + <i class="fa fa-bars"></i> + </button> + <button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" 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(Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar"> + <i class="fa fa-search"></i> + </button> + + </div> + + <h1 class="menu-title">Synapse</h1> + + <div class="right-buttons"> + + <a href="print.html" title="Print this book" aria-label="Print this book"> + <i id="print-button" class="fa fa-print"></i> + </a> + + + <a href="https://github.com/matrix-org/synapse" title="Git repository" aria-label="Git repository"> + <i id="git-repository-button" class="fa fa-github"></i> + </a> + + + <a href="https://github.com/matrix-org/synapse/edit/develop/docs/spam_checker.md" title="Suggest an edit" aria-label="Suggest an edit"> + <i id="git-edit-button" class="fa fa-edit"></i> + </a> + + + </div> + </div> + + + <div id="search-wrapper" class="hidden"> + <form id="searchbar-outer" class="searchbar-outer"> + <input type="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header"> + </form> + <div id="searchresults-outer" class="searchresults-outer hidden"> + <div id="searchresults-header" class="searchresults-header"></div> + <ul id="searchresults"> + </ul> + </div> + </div> + + + <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM --> + <script type="text/javascript"> + document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible'); + document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible'); + Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) { + link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1); + }); + </script> + + <div id="content" class="content"> + <main> + <!-- Page table of contents --> + <div class="sidetoc"> + <nav class="pagetoc"></nav> + </div> + + <p><strong>Note: this page of the Synapse documentation is now deprecated. For up to date +documentation on setting up or writing a spam checker module, please see +<a href="https://matrix-org.github.io/synapse/develop/modules.html">this page</a>.</strong></p> +<h1 id="handling-spam-in-synapse"><a class="header" href="#handling-spam-in-synapse">Handling spam in Synapse</a></h1> +<p>Synapse has support to customize spam checking behavior. It can plug into a +variety of events and affect how they are presented to users on your homeserver.</p> +<p>The spam checking behavior is implemented as a Python class, which must be +able to be imported by the running Synapse.</p> +<h2 id="python-spam-checker-class"><a class="header" href="#python-spam-checker-class">Python spam checker class</a></h2> +<p>The Python class is instantiated with two objects:</p> +<ul> +<li>Any configuration (see below).</li> +<li>An instance of <code>synapse.module_api.ModuleApi</code>.</li> +</ul> +<p>It then implements methods which return a boolean to alter behavior in Synapse. +All the methods must be defined.</p> +<p>There's a generic method for checking every event (<code>check_event_for_spam</code>), as +well as some specific methods:</p> +<ul> +<li><code>user_may_invite</code></li> +<li><code>user_may_create_room</code></li> +<li><code>user_may_create_room_alias</code></li> +<li><code>user_may_publish_room</code></li> +<li><code>check_username_for_spam</code></li> +<li><code>check_registration_for_spam</code></li> +<li><code>check_media_file_for_spam</code></li> +</ul> +<p>The details of each of these methods (as well as their inputs and outputs) +are documented in the <code>synapse.events.spamcheck.SpamChecker</code> class.</p> +<p>The <code>ModuleApi</code> class provides a way for the custom spam checker class to +call back into the homeserver internals.</p> +<p>Additionally, a <code>parse_config</code> method is mandatory and receives the plugin config +dictionary. After parsing, It must return an object which will be +passed to <code>__init__</code> later.</p> +<h3 id="example"><a class="header" href="#example">Example</a></h3> +<pre><code class="language-python">from synapse.spam_checker_api import RegistrationBehaviour + +class ExampleSpamChecker: + def __init__(self, config, api): + self.config = config + self.api = api + + @staticmethod + def parse_config(config): + return config + + async def check_event_for_spam(self, foo): + return False # allow all events + + async def user_may_invite(self, inviter_userid, invitee_userid, room_id): + return True # allow all invites + + async def user_may_create_room(self, userid): + return True # allow all room creations + + async def user_may_create_room_alias(self, userid, room_alias): + return True # allow all room aliases + + async def user_may_publish_room(self, userid, room_id): + return True # allow publishing of all rooms + + async def check_username_for_spam(self, user_profile): + return False # allow all usernames + + async def check_registration_for_spam( + self, + email_threepid, + username, + request_info, + auth_provider_id, + ): + return RegistrationBehaviour.ALLOW # allow all registrations + + async def check_media_file_for_spam(self, file_wrapper, file_info): + return False # allow all media +</code></pre> +<h2 id="configuration"><a class="header" href="#configuration">Configuration</a></h2> +<p>Modify the <code>spam_checker</code> section of your <code>homeserver.yaml</code> in the following +manner:</p> +<p>Create a list entry with the keys <code>module</code> and <code>config</code>.</p> +<ul> +<li> +<p><code>module</code> should point to the fully qualified Python class that implements your +custom logic, e.g. <code>my_module.ExampleSpamChecker</code>.</p> +</li> +<li> +<p><code>config</code> is a dictionary that gets passed to the spam checker class.</p> +</li> +</ul> +<h3 id="example-1"><a class="header" href="#example-1">Example</a></h3> +<p>This section might look like:</p> +<pre><code class="language-yaml">spam_checker: + - module: my_module.ExampleSpamChecker + config: + # Enable or disable a specific option in ExampleSpamChecker. + my_custom_option: true +</code></pre> +<p>More spam checkers can be added in tandem by appending more items to the list. An +action is blocked when at least one of the configured spam checkers flags it.</p> +<h2 id="examples"><a class="header" href="#examples">Examples</a></h2> +<p>The <a href="https://github.com/matrix-org/mjolnir">Mjolnir</a> project is a full fledged +example using the Synapse spam checking API, including a bot for dynamic +configuration.</p> + + </main> + + <nav class="nav-wrapper" aria-label="Page navigation"> + <!-- Mobile navigation buttons --> + + <a rel="prev" href="modules.html" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + + + <a rel="next" href="presence_router_module.html" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + + <div style="clear: both"></div> + </nav> + </div> + </div> + + <nav class="nav-wide-wrapper" aria-label="Page navigation"> + + <a rel="prev" href="modules.html" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left"> + <i class="fa fa-angle-left"></i> + </a> + + + + <a rel="next" href="presence_router_module.html" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right"> + <i class="fa fa-angle-right"></i> + </a> + + </nav> + + </div> + + + + + + + + + <script type="text/javascript"> + window.playground_copyable = true; + </script> + + + + + + <script src="elasticlunr.min.js" type="text/javascript" charset="utf-8"></script> + <script src="mark.min.js" type="text/javascript" charset="utf-8"></script> + <script src="searcher.js" type="text/javascript" charset="utf-8"></script> + + + <script src="clipboard.min.js" type="text/javascript" charset="utf-8"></script> + <script src="highlight.js" type="text/javascript" charset="utf-8"></script> + <script src="book.js" type="text/javascript" charset="utf-8"></script> + + <!-- Custom JS scripts --> + + <script type="text/javascript" src="docs/website_files/table-of-contents.js"></script> + + + + + </body> +</html> \ No newline at end of file |