Put details in an (optional) .env file

.env.example

@@ -0,0 +1,12 @@
+#    Type the @ username that you want. Do not include an '@'.
+USERNAME="example"
+#   This is the user's 'real' name.
+REALNAME="A single file ActivityPub Server"
+#   This is the bio of your user. HTML can be used
+SUMMARY ="<a href='https://gitlab.com/edent/activitypub-single-php-file/'>Get the source code</a>!"
+#	Password for sending messages
+PASSWORD=""
+#   Generate locally or from https://cryptotools.net/rsagen
+#	Newlines must be replaced with '\n'
+KEY_PRIVATE="-----BEGIN RSA PRIVATE KEY-----\n...\n-----END RSA PRIVATE KEY-----"
+KEY_PUBLIC="-----BEGIN PUBLIC KEY-----\n...\n-----END PUBLIC KEY-----"

.gitignore

@@ -0,0 +1 @@
+.env

index.php

@@ -23,19 +23,20 @@
 	//	You also need to provide a public/private keypair.
 	//	The posting page is protected with a password that also needs to be set here.
 
-	//	Set up the Actor's information
+	//	Set up the Actor's information here, or in the .env file
+	$env = parse_ini_file('.env');
 	//	Edit these:
-	$username = rawurlencode("example");	//	Type the @ username that you want. Do not include an "@". 
-	$realName = "E. Xample. Jr.";	//	This is the user's "real" name.
-	$summary  = "Some text about the user.";	//	This is the bio of your user.
+	$username = rawurlencode( $env["USERNAME"] );	//	Type the @ username that you want. Do not include an "@". 
+	$realName = $env["REALNAME"];	//	This is the user's "real" name.
+	$summary  = $env["SUMMARY"];	//	This is the bio of your user.
 
 	//	Generate locally or from https://cryptotools.net/rsagen
 	//	Newlines must be replaced with "\n"
-	$key_private = "-----BEGIN RSA PRIVATE KEY-----\n...\n-----END RSA PRIVATE KEY-----";
-	$key_public  = "-----BEGIN PUBLIC KEY-----\n...\n-----END PUBLIC KEY-----";
+	$key_private = str_replace('\n', "\n", $env["KEY_PRIVATE"] );
+	$key_public  = str_replace('\n', "\n", $env["KEY_PUBLIC"]  );
 
 	//	Password for sending messages
-	$password = "P4ssW0rd";
+	$password = $env["PASSWORD"];
 
 	/** No need to edit anything below here. But please go exploring! **/
 
@@ -681,7 +682,7 @@ HTML;
 				}
 
 				//	Has the user has been specifically CC'd?
-				if ( isset( $object["cc"] ) ) {
+				if ( isset( $object["cc"] ) && is_array( $object["cc"] ) ) {
 					$reply = in_array( "https://{$server}/{$username}", $object["cc"] );
 				} else {
 					$reply = false;