update Readme and bump version to 0.3.0

linkchain.txt

@@ -1,3 +1,5 @@
+A chain of redirections starting with the source URL. Each line redirects to the previous one.
+
 https://hyperborea.org/journal/2022/04/corrupted-gnome/
 https://hyperborea.org/journal/?p=81451
 https://wp.me/p4vcr-lbJ
@@ -7,3 +9,7 @@ http://ow.ly/Vcq050JGjmM
 https://bit.ly/3xT4SwX
 https://t.co/kTzFTX65HT
 
+1. Following the t.co link should get you to the post permalink.
+2. Unwrap-shortlinks should replace the t.co link with the blog ?p=xyz link.
+
+TODO: Also check URLs ending in ?p=[0-9]+, follow them once and accept the result if the URLs match up to the previous /

readme.md

@@ -1,6 +1,6 @@
 # Unwrap Shortlinks
 
-Stable tag: 0.2.4  
+Stable tag: 0.3.0
 Tags: urls, links, classicpress  
 Requires at least: 3.0  
 Tested up to: 6.0  
@@ -41,7 +41,7 @@ Install the plugin and activate it. The next time you paste a supported short UR
 
 ### What if the destination redirects to another link?
 
-At the moment it'll stop at the first one to avoid infinite redirect loops. But if the destination is another known shortener (say you had a t.co link that redirected to a bit.ly link), the next time you save the post, it will follow that one to its destination. TODO: I plan to make it follow a limited chain of known shorteners.
+If the destination is another known URL shortener (ex. t.co pointing to bit.ly pointing to wp.me pointing to a blog post), it'll keep going up to 5 levels (to avoid infinite loops!) or until it gets a URL that isn't on the list. 
 
 ### How do I add a shortener to the list?
 
@@ -65,6 +65,9 @@ It should work going back to the classic editor and forward to the block editor.
 
 ## Changelog
 
+### [0.3.0] - 2022-06-23
+* Follow link trails, add aka.ms.
+
 ### [0.2.4] - 2022-06-13
 * Fix bugs with plaintext URLs at the end of a block.
 

readme.txt

@@ -1,6 +1,6 @@
 === Unwrap Shortlinks ===
 
-Stable tag: 0.2.4  
+Stable tag: 0.3.0
 Tags: urls, links, classicpress  
 Requires at least: 3.0  
 Tested up to: 6.0  
@@ -31,6 +31,7 @@ Automatically expands URLs at the following known link shorteners when you save
 * dlvr.it
 * fb.me
 * qr.ae
+* aka.ms
 
 == Installation ==
 
@@ -40,7 +41,7 @@ Install the plugin and activate it. The next time you paste a supported short UR
 
 = What if the destination redirects to another link? =
 
-At the moment it'll stop at the first one to avoid infinite redirect loops. But if the destination is another known shortener (say you had a t.co link that redirected to a bit.ly link), the next time you save the post, it will follow that one to its destination. TODO: I plan to make it follow a limited chain of known shorteners.
+If the destination is another known URL shortener (ex. t.co pointing to bit.ly pointing to wp.me pointing to a blog post), it'll keep going up to 5 levels (to avoid infinite loops!) or until it gets a URL that isn't on the list. 
 
 = How do I add a shortener to the list? =
 
@@ -58,8 +59,15 @@ sudo setsebool -P httpd_can_network_connect true
 
 Thanks to [igienger's post](https://wordpress.org/support/topic/error-curl-error-7-3/#post-12637512) on the WordPress support forums!
 
+= What about compatibility? =
+
+It should work going back to the classic editor and forward to the block editor. It even works on [ClassicPress](https://www.classicpress.net/).
+
 == Changelog ==
 
+= [0.3.0] - 2022-06-23 =
+* Follow link trails, add aka.ms.
+
 = [0.2.4] - 2022-06-13 =
 * Fix bugs with plaintext URLs at the end of a block.
 

unwrap-shortlinks.php

@@ -3,7 +3,7 @@
  Plugin Name: Unwrap Shortlinks
  Plugin URI: https://codeberg.org/kvibber/unwrap-shortlinks
  Description: Follow shortened links (t.co, bit.ly, etc) and expand them so that your blog post will point directly to the destination.
- Version: 0.2.4
+ Version: 0.3.0
  Author: Kelson Vibber
  Author URI: https://kvibber.com
  License: GPLv2 or later