Add support for reading incomming messages
Terence Eden
rodzic
15f6602559
commit
1219393c29
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@ -19,6 +19,7 @@ There are no tests, no checks, no security features, no formal verifications, no
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1. Check social media to see if the message appears.
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1. Check social media to see if the message appears.
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1. To follow other users, visit `https://test.example.com/follow` type in the name of the user you want to follow and your password. Press the "Send Follow Request" button.
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1. To follow other users, visit `https://test.example.com/follow` type in the name of the user you want to follow and your password. Press the "Send Follow Request" button.
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1. Check social media to see if the follow request came through.
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1. Check social media to see if the follow request came through.
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1. To read the messages that your server's inbox has received, visit `https://test.example.com/read`
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## How this works
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## How this works
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120
index.php
120
index.php
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@ -118,9 +118,11 @@
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case "outbox":
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case "outbox":
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outbox(); // Optional. Dynamic.
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outbox(); // Optional. Dynamic.
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case "follow":
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case "follow":
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follow(); // User interface for following an external user
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follow(); // User interface for following an external user
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case "follow_user":
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case "follow_user":
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follow_user(); // API for following a user
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follow_user(); // API for following a user
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case "read":
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read(); // User interface for reading posts
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case "/":
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case "/":
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home(); // Optional. Can be dynamic
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home(); // Optional. Can be dynamic
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default:
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default:
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@ -460,7 +462,7 @@
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// User Interface for Homepage:
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// User Interface for Homepage:
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// This creates a basic HTML page. This content appears when someone visits the root of your site.
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// This creates a basic HTML page. This content appears when someone visits the root of your site.
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function home() {
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function home() {
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global $username, $server, $realName, $summary;
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global $username, $server, $realName, $summary, $directories;
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echo <<< HTML
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echo <<< HTML
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<!DOCTYPE html>
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<!DOCTYPE html>
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<html lang="en-GB">
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<html lang="en-GB">
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@ -485,7 +487,7 @@ echo <<< HTML
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<ul>
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<ul>
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HTML;
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HTML;
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// Get all posts, most recent first
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// Get all posts, most recent first
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$posts = array_reverse( glob("posts/*.json") );
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$posts = array_reverse( glob( $directories["posts"] . "/*.json") );
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// Loop through the posts
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// Loop through the posts
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foreach ($posts as $post) {
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foreach ($posts as $post) {
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@ -785,10 +787,10 @@ HTML;
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// The Outbox contains a date-ordered list (newest first) of all the user's posts
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// The Outbox contains a date-ordered list (newest first) of all the user's posts
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// This is optional.
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// This is optional.
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function outbox() {
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function outbox() {
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global $server, $username;
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global $server, $username, $directories;
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// Get all posts
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// Get all posts
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$posts = array_reverse( glob("posts/*.json") );
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$posts = array_reverse( glob( $directories["posts"] . "/*.json") );
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// Number of posts
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// Number of posts
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$totalItems = count( $posts );
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$totalItems = count( $posts );
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// Create an ordered list
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// Create an ordered list
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@ -1079,6 +1081,114 @@ HTML;
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return $verified;
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return $verified;
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}
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}
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// Displays the most recent 200 messages in the inbox
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function read() {
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global $server, $directories;
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// Get all the files in the inbox
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$inbox_files = array_reverse( glob( $directories["inbox"] . "/*.json") );
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// Keep the most recent 200
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$inbox_files = array_slice( $inbox_files, 0, 200 );
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// Sometimes messages are received out of order.
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// This sorts them by their published time or, if there is none, the received time.
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$inbox_ordered = [];
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foreach ( $inbox_files as $inbox_file ) {
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// Get the contents of the JSON
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$inbox_message = json_decode( file_get_contents( $inbox_file ), true );
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// Use the timestamp of the message. If there is none, use the date in the filename
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if ( isset( $inbox_message["published"] ) ) {
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$published = $inbox_message["published"];
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} else {
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$published = end( explode( "/", explode( ".", $inbox_file)[0] ) ) ;
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}
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// Place in an array where the key is the timestamp
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$inbox_ordered[$published] = $inbox_message;
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}
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// Sort with newest on top
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krsort( $inbox_ordered );
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// Show a basic HTML interface
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echo <<< HTML
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<!DOCTYPE html>
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<html lang="en-GB">
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<head>
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<meta charset="UTF-8">
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<title>Reader</title>
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<style>
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body { text-align: center; font-family:sans-serif; font-size:1.1em; }
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ul { text-align: left; }
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img { max-width: 50%; }
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</style>
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</head>
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<body>
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<ul>
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HTML;
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// Print the items in a list
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foreach ( $inbox_ordered as $published=>$inbox_message ) {
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// Set up the common components
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$object = $inbox_message["object"];
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$actor = $inbox_message["actor"];
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$actorName = end( explode("/", $actor ) );
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$actorHTML = "<a href=\"$actor\">@{$actorName}</a>";
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$timeHTML = "<time datetime=\"{$published}\">{$published}</time>";
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// HTML is *probably* sanitised by the sender. But let's not risk it, eh?
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// Using the allow-list from https://docs.joinmastodon.org/spec/activitypub/#sanitization
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$allowed_elements = ["p", "span", "br", "a", "del", "pre", "code", "em", "strong", "b", "i", "u", "ul", "ol", "li", "blockquote"];
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// What type of message is this?
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$type = $inbox_message["type"];
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// Render the message according to type
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if ( "Create" == $type ) {
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// Get the HTML content and sanitise it.
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$content = $object["content"];
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$content = strip_tags($content, $allowed_elements);
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// Add any images
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if ( isset( $object["attachment"] ) ) {
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foreach ( $object["attachment"] as $attachment ) {
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// Only use things which have a MIME Type set
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if ( isset( $attachment["mediaType"] ) ) {
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$mediaType = explode( "/", $attachment["mediaType"])[0];
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if ( "image" == $mediaType ) {
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// Get the alt text
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isset( $attachment["name"] ) ? $alt = $attachment["name"] : $alt = "";
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$content .= "<img src='" . $attachment["url"] . "' alt='{$alt}'>";
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} else if ( "video" == $mediaType ) {
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$content .= "<video controls><source src='" . $attachment["url"] . "' type='" . $attachment["mediaType"] . "' /></video>";
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}else if ( "audio" == $mediaType ) {
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$content .= "<audio controls src='" . $attachment["url"] . "' type='" . $attachment["mediaType"] . "'></audio>";
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}
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}
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}
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}
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echo "<li>{$timeHTML} {$actorHTML} said: <blockquote>{$content}</blockquote></li>";
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} else if ( "Like" == $type ) {
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$objectHTML = "<a href=\"$object\">{$object}</a>";
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echo "<li>{$timeHTML} {$actorHTML} liked {$objectHTML}<br></li>";
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} else if ( "Follow" == $type ) {
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echo "<li>{$timeHTML} {$actorHTML} followed you<br></li>";
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} else if ( "Announce" == $type ) {
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$objectHTML = "<a href=\"$object\">{$object}</a>";
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echo "<li>{$timeHTML} {$actorHTML} boosted {$objectHTML}<br></li>";
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}
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}
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echo <<< HTML
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</ul>
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</body>
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</html>
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HTML;
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die();
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}
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// "One to stun, two to kill, three to make sure"
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// "One to stun, two to kill, three to make sure"
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die();
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die();
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die();
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die();
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