Add extension hook simplepie_after_init (#7007)

* Add extension hook simplepie_after_init
fix https://github.com/FreshRSS/FreshRSS/issues/7006

* Add documentation note

* fix doc get_headers

* Syntax void

* Forgotten code

4 files changed, 16 insertions, 6 deletions

diff --git a/app/Models/Feed.php b/app/Models/Feed.php
index 03c7cdd74..2aa0baa9d 100644
--- a/app/Models/Feed.php
+++ b/app/Models/Feed.php
@@ -372,6 +372,7 @@ class FreshRSS_Feed extends Minz_Model {
 				}
 				Minz_ExtensionManager::callHook('simplepie_before_init', $simplePie, $this);
 				$simplePieResult = $simplePie->init();
+				Minz_ExtensionManager::callHook('simplepie_after_init', $simplePie, $this, $simplePieResult);
 
 				if ($simplePieResult === false || $simplePie->get_hash() === '' || !empty($simplePie->error())) {
 					$errorMessage = $simplePie->error();
diff --git a/docs/en/developers/03_Backend/05_Extensions.md b/docs/en/developers/03_Backend/05_Extensions.md
index f83d8eef7..2a4c4dcf0 100644
--- a/docs/en/developers/03_Backend/05_Extensions.md
+++ b/docs/en/developers/03_Backend/05_Extensions.md
@@ -178,7 +178,10 @@ The following events are available:
 * `nav_menu` (`function() -> string`): will be executed if the navigation was built.
 * `nav_reading_modes` (`function($reading_modes) -> array | null`): **TODO** add documentation.
 * `post_update` (`function(none) -> none`): **TODO** add documentation.
-* `simplepie_before_init` (`function($simplePie, $feed) -> none`): **TODO** add documentation.
+* `simplepie_after_init` (`function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed, bool $result): void`): Triggered after fetching an RSS/Atom feed with SimplePie. Useful for instance to get the HTTP response headers (e.g. `$simplePie->data['headers']`).
+* `simplepie_before_init` (`function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed): void`): Triggered before fetching an RSS/Atom feed with SimplePie.
+
+> ℹ️ Note: the `simplepie_*` hooks are only fired for feeds using SimplePie via pull, i.e. normal RSS/Atom feeds. This excludes WebSub (push), and the various HTML or JSON Web scraping methods.
 
 ### Injecting CDN content
 
diff --git a/docs/fr/developers/03_Backend/05_Extensions.md b/docs/fr/developers/03_Backend/05_Extensions.md
index 8d2866f26..af6c7911a 100644
--- a/docs/fr/developers/03_Backend/05_Extensions.md
+++ b/docs/fr/developers/03_Backend/05_Extensions.md
@@ -257,8 +257,10 @@ The following events are available:
 * `nav_reading_modes` (`function($reading_modes) -> array | null`): **TODO**
 	add documentation
 * `post_update` (`function(none) -> none`): **TODO** add documentation
-* `simplepie_before_init` (`function($simplePie, $feed) -> none`): **TODO**
-	add documentation
+* `simplepie_after_init` (`function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed, bool $result): void`): Triggered after fetching an RSS/Atom feed with SimplePie. Useful for instance to get the HTTP response headers (e.g. `$simplePie->data['headers']`).
+* `simplepie_before_init` (`function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed): void`): Triggered before fetching an RSS/Atom feed with SimplePie.
+
+> ℹ️ Note: the `simplepie_*` hooks are only fired for feeds using SimplePie via pull, i.e. normal RSS/Atom feeds. This excludes WebSub (push), and the various HTML or JSON Web scraping methods.
 
 ### Writing your own configure.phtml
 
diff --git a/lib/Minz/ExtensionManager.php b/lib/Minz/ExtensionManager.php
index b3756372e..976dddb82 100644
--- a/lib/Minz/ExtensionManager.php
+++ b/lib/Minz/ExtensionManager.php
@@ -90,10 +90,14 @@ final class Minz_ExtensionManager {
 			'list' => array(),
 			'signature' => 'NoneToNone',
 		),
-		'simplepie_before_init' => array(	// function($simplePie, $feed) -> none
-			'list' => array(),
+		'simplepie_after_init' => [	// function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed, bool $result): void
+			'list' => [],
 			'signature' => 'PassArguments',
-		),
+		],
+		'simplepie_before_init' => [	// function(\SimplePie\SimplePie $simplePie, FreshRSS_Feed $feed): void
+			'list' => [],
+			'signature' => 'PassArguments',
+		],
 	];
 
 	/** Remove extensions and hooks from a previous initialisation */