User interface for (un)following & (un)blocking an external user.
Terence Eden
rodzic
07da99fcde
commit
2454dbdda4
131
index.php
131
index.php
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@ -88,12 +88,12 @@
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outbox(); // Optional. Dynamic.
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case "write":
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write(); // User interface for writing posts.
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case "send":
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case "action/send":
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send(); // API for posting content to the Fediverse.
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case "follow":
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follow(); // User interface for following an external user.
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case "follow_user":
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follow_user(); // API for following a user.
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case "users":
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users(); // User interface for (un)following & (un)blocking an external user.
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case "action/users":
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action_users(); // API for following a user.
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case "read":
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view( "read" );// User interface for reading posts.
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case ".well-known/nodeinfo":
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@ -583,7 +583,7 @@ HTML;
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// Buttons to interact with a message.
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// By default, just shows a "Follow User" button.
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if ( "read" == $style ) {
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$interactHTML = "<a href=\"/follow?account=$actorUsername\">➕</a> ";
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$interactHTML = "<a href=\"/users?account=$actorUsername\">➕</a> ";
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} else {
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$interactHTML = "";
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}
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@ -750,7 +750,7 @@ echo <<< HTML
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<body>
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<fieldset>
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<legend>Send a message</legend>
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<form action="/send" method="post" enctype="multipart/form-data">
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<form action="/action/send" method="post" enctype="multipart/form-data">
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<input type="hidden" id="type" name="type" value="Create">
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<label for="content">Your message:</label><br>
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<textarea id="content" name="content" rows="5" cols="32"></textarea><br>
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@ -1235,11 +1235,11 @@ HTML;
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}
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// This creates a UI for the user to follow another user
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function follow() {
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function users() {
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if ( isset( $_GET["account"] ) ) {
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$accountURl = htmlspecialchars( $_GET["account"] );
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} else {
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$announceURl = "";
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$accountURl = "";
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}
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echo <<< HTML
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<!DOCTYPE html>
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@ -1252,12 +1252,20 @@ HTML;
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</style>
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</head>
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<body>
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<form action="/follow_user" method="post" enctype="multipart/form-data">
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<label for="user">User to follow</label>
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<form action="/action/users" method="post" enctype="multipart/form-data">
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<label for="user">User:</label>
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<input name="user" id="user" type="text" size="32" placeholder="@user@example.com" value="{$accountURl}"><br>
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<label for="action">action</label><br>
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<select name="action" id="action">
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<option value="">--Please choose an option--</option>
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<option value="Follow">Follow</option>
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<option value="Unfollow">Unfollow</option>
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<option value="Block">Block</option>
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<option value="Unblock">Unblock</option>
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</select><br>
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<label for="password">Password</label><br>
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<input name="password" id="password" type="password" size="32"><br>
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<input type="submit" value="Send Follow Request">
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<input type="submit" value="Send User Request">
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</form>
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</body>
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</html>
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@ -1269,14 +1277,25 @@ HTML;
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// It looks up the external user's details
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// Then it sends a follow request
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// If the request is accepted, it saves the details in `data/following/` as a JSON file
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function follow_user() {
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function action_users() {
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global $password, $server, $username, $key_private, $directories;
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// Does the posted password match the stored password?
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if( $password != $_POST["password"] ) { echo "Wrong Password!"; die(); }
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// Get the posted content
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$user = $_POST["user"];
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$user = $_POST["user"];
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$action = $_POST["action"];
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// Is this a valid action?
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if ( match( $action ) {
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"Follow", "Unfollow", "Block", "Unblock" => false,
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default => true,
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} ) {
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// Discard it, no further processing.
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echo "{$action} not supported";
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die();
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}
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// Split the user (@user@example.com) into username and server
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list( , $follow_name, $follow_server ) = explode( "@", $user );
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@ -1299,27 +1318,77 @@ HTML;
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// Get the user's inbox
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$profileInbox = $profileData["inbox"];
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// Create a follow request
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$guid = uuid();
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$message = [
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"@context" => "https://www.w3.org/ns/activitystreams",
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"id" => "https://{$server}/{$guid}",
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"type" => "Follow",
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"actor" => "https://{$server}/{$username}",
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"object" => $profileURl
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];
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// Sign a request to follow
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// The Accept is POSTed to the inbox on the server of the user who requested the follow
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// Create a user request
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$guid = uuid();
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// Different user actions have subtly different messages to send.
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if ( "Follow" == $action ) {
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$message = [
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"@context" => "https://www.w3.org/ns/activitystreams",
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"id" => "https://{$server}/{$guid}",
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"type" => "Follow",
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"actor" => "https://{$server}/{$username}",
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"object" => $profileURl
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];
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} else if ( "Unfollow" == $action ) {
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$message = [
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"@context" => "https://www.w3.org/ns/activitystreams",
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"id" => "https://{$server}/{$guid}",
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"type" => "Undo",
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"actor" => "https://{$server}/{$username}",
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"object" => array(
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//"id" => null, // Should be the original ID if possible, but not necessary https://www.w3.org/wiki/ActivityPub/Primer/Referring_to_activities
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"type" => "Follow",
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"actor" => "https://{$server}/{$username}",
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"object" => $profileURl
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)
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];
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} else if ( "Block" == $action ) {
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$message = [
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"@context" => "https://www.w3.org/ns/activitystreams",
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"id" => "https://{$server}/{$guid}",
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"type" => "Block",
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"actor" => "https://{$server}/{$username}",
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"object" => $profileURl,
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"to" => $profileURl
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];
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} else if ( "Unblock" == $action ) {
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$message = [
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"@context" => "https://www.w3.org/ns/activitystreams",
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"id" => "https://{$server}/{$guid}",
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"type" => "Undo",
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"actor" => "https://{$server}/{$username}",
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"object" => array(
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//"id" => null, // Should be the original ID if possible, but not necessary https://www.w3.org/wiki/ActivityPub/Primer/Referring_to_activities
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"type" => "Block",
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"actor" => "https://{$server}/{$username}",
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"object" => $profileURl
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)
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];
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}
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// Sign & send the request
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sentMessageToSingle( $profileInbox, $message );
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// Save the user's details
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$following_filename = urlencode( $profileURl );
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file_put_contents( $directories["following"] . "/{$following_filename}.json", json_encode( $profileData ) );
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if ( "Follow" == $action ) {
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// Save the user's details
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$following_filename = urlencode( $profileURl );
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file_put_contents( $directories["following"] . "/{$following_filename}.json", json_encode( $profileData ) );
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// Render the JSON so the user can see the POST has worked
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header( "Location: https://{$server}/data/following/" . urlencode( $following_filename ) . ".json" );
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// Render the JSON so the user can see the POST has worked
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header( "Location: https://{$server}/data/following/" . urlencode( $following_filename ) . ".json" );
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} else if ( "Block" == $action || "Unfollow" == $action ) {
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// Delete the user if they exist in the following directory.
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$following_filename = urlencode( $profileURl );
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unlink( $directories["following"] . "/{$following_filename}.json" );
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// Let the user know it worked
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echo "{$user} {$action}ed!";
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} else if ( "Unblock" == $action ) {
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// Let the user know it worked
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echo "{$user} {$action}ed!";
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}
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die();
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}
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