Terence Eden
rodzic
5a00070028
commit
273c584e10
36
README.md
36
README.md
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@ -49,4 +49,38 @@ I actively do *not* want you to use this code in production. It is not suitable
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Please take note of [CRAPL v0](https://matt.might.net/articles/crapl/):
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> Any appearance of design in the Program is purely coincidental and should not in any way be mistaken for evidence of thoughtful software construction.
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> Any appearance of design in the Program is purely coincidental and should not in any way be mistaken for evidence of thoughtful software construction.
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## Features
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### Working
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* ✅ User can be followed
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* ✅ User can post messages to followers
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* ✅ User can post a message to a specific external account
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* ✅ User can post an image & alt text
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* ✅ User can follow, unfollow, block, and unblock external accounts
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* ✅ Server validates the HTTP Message Signatures of all incoming messages
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* ✅ Incoming messages are saved
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* ✅ User can read incoming messages (Create, Update, Announce, Like)
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* ✅ User can read the results of polls
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* ✅ User can see attached images, videos, audio
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* ✅ User can hide "Content Warning" text
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* ✅ User can receive Updates to messages
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* ✅ User can Announce / boost / repost an external post
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* ✅ User can see if a post is a reply to them
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### Not Working
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* ❌ See posts from Lemmy communities
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* ❌ See contents of Announced posts
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* ❌ Delete own post
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* ❌ Update own post
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* ❌ Receive Undo messages (Unfollow, delete post, remove Like, remove Announce)
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* ❌ Create Polls
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* ❌ Attach multiple images
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* ❌ Set focus point for images
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* ❌ Set sensitivity for images / blur
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* ❌ Set "Content Warning"
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* ❌ See external users' avatars, names, or other details
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* ❌ ...?
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67
index.php
67
index.php
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@ -9,7 +9,7 @@
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* The Actor can send messages to followers.
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* The message can have linkable URls, hashtags, and mentions.
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* An image and alt text can be attached to the message.
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* The Actor can follow remote accounts.
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* The Actor can follow, unfollow, block, and unblock remote accounts.
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* The Server saves logs about requests it receives and sends.
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* This code is NOT suitable for production use.
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* SPDX-License-Identifier: AGPL-3.0-or-later
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@ -43,9 +43,9 @@
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$server = $_SERVER["SERVER_NAME"]; // Do not change this!
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// Some requests require a User-Agent string.
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define("USERAGENT", "activitypub-single-php-file/0.0");
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define( "USERAGENT", "activitypub-single-php-file/0.0" );
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// Set up where logs and messages go.
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// Set up where to save logs, posts, and images.
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// You can change these directories to something more suitable if you like.
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$data = "data";
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$directories = array(
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@ -75,7 +75,11 @@
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switch ( $path ) {
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case ".well-known/webfinger":
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webfinger(); // Mandatory. Static.
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case rawurldecode( $username ):
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case ".well-known/nodeinfo":
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wk_nodeinfo(); // Optional. Static.
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case "nodeinfo/2.1":
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nodeinfo(); // Optional. Static.
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case rawurldecode( $username ):
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case "@" . rawurldecode( $username ): // Some software assumes usernames start with an `@`
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username(); // Mandatory. Static
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case "following":
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@ -93,15 +97,11 @@
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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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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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wk_nodeinfo(); // Optional. Static.
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case "nodeinfo/2.1":
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nodeinfo(); // Optional. Static.
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case "/":
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view( "home" );// Optional. Can be dynamic
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view( "home" );// User interface for seeing what the user has posted.
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default:
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die();
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}
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@ -178,7 +178,7 @@
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global $server, $directories;
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// Get all the files
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$following_files = glob( $directories["following"] . "/*.json");
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$following_files = glob( $directories["following"] . "/*.json" );
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// Number of users
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$totalItems = count( $following_files );
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@ -206,14 +206,14 @@
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// You can set this to any number you like.
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// Get all the files
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$follower_files = glob( $directories["followers"] . "/*.json");
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$follower_files = glob( $directories["followers"] . "/*.json" );
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// Number of users
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$totalItems = count( $follower_files );
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// Create a list of everyone being followed
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$items = array();
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foreach ( $follower_files as $follower_file ) {
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$following = json_decode( file_get_contents( $follower_file ),true );
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$following = json_decode( file_get_contents( $follower_file ), true );
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$items[] = $following["id"];
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}
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@ -268,28 +268,20 @@
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}
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if ( !$reply && !$from_following ) {
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// Don't bother processing it at all.
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die();
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}
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// Save any Follow, Create, Update, Announce, Like messages
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// This ignores Delete, Undo, and anything else
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if ( match( $inbox_type ) {
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"Follow", "Create", "Update", "Announce", "Like" => true,
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default => false,
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} ) {
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// Validate HTTP Message Signature
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if ( !verifyHTTPSignature() ) { die(); }
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// Validate HTTP Message Signature
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// This logs whether the signature was validated or not
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if ( !verifyHTTPSignature() ) { die(); }
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// If the message is valid, save the message in `/data/inbox/`
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$uuid = uuid();
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$inbox_filename = $uuid . "." . urlencode( $inbox_type ) . ".json";
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file_put_contents( $directories["inbox"] . "/{$inbox_filename}", json_encode( $inbox_message ) );
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// If the message is valid, save the message in `/data/inbox/`
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$uuid = uuid();
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$inbox_filename = $uuid . "." . urlencode( $inbox_type ) . ".json";
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file_put_contents( $directories["inbox"] . "/{$inbox_filename}", json_encode( $inbox_message ) );
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}
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// This inbox only responds to follow requests.
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// A remote server sends the inbox follow request which is a JSON file saying who they are.
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// This inbox only sends responses to follow requests.
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// A remote server sends the inbox a follow request which is a JSON file saying who they are.
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// The details of the remote user's server is saved to a file so that future messages can be delivered to the follower.
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// An accept request is cryptographically signed and POST'd back to the remote server.
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if ( "Follow" != $inbox_type ) { die(); }
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@ -328,7 +320,7 @@
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];
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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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sentMessageToSingle( $follower_inbox, $message );
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sendMessageToSingle( $follower_inbox, $message );
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die();
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}
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@ -426,7 +418,6 @@
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return $headers;
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}
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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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function view( $style ) {
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@ -721,8 +712,12 @@ HTML;
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$object = $message["object"];
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$objectHTML = "<a href=\"$object\">{$object}</a>";
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$messageHTML = "{$timeHTML} {$actorHTML} boosted {$objectHTML}";
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} else {
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// Not a message we're interested in displaying. Probably a delete or undo.
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continue;
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}
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// Display the message
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echo "<li><article class=\"h-entry\">{$messageHTML}<br>{$interactHTML}</article></li>";
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}
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echo <<< HTML
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@ -963,7 +958,7 @@ HTML;
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// Is this message going to one user? (Usually a Like)
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if ( isset( $inbox_single ) ) {
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$messageSent = sentMessageToSingle( $inbox_single, $message );
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$messageSent = sendMessageToSingle( $inbox_single, $message );
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} else { // Send to all the user's followers
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$messageSent = sendMessageToFollowers( $message );
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}
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@ -979,7 +974,7 @@ HTML;
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}
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// POST a signed message to a single inbox
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function sentMessageToSingle( $inbox, $message ) {
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function sendMessageToSingle( $inbox, $message ) {
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global $directories;
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$inbox_host = parse_url( $inbox, PHP_URL_HOST );
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@ -1386,7 +1381,7 @@ HTML;
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}
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// Sign & send the request
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sentMessageToSingle( $profileInbox, $message );
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sendMessageToSingle( $profileInbox, $message );
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if ( "Follow" == $action ) {
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// Save the user's details
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