From de61165aa4593ceb29f125703e7935d4094597be Mon Sep 17 00:00:00 2001
From: Remi Collet <remi@remirepo.net>
Date: Thu, 30 May 2024 16:52:30 +0200
Subject: xz/zstd compression

---
 class/Parser.php | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/class/Parser.php b/class/Parser.php
index 5146044..57b0a77 100644
--- a/class/Parser.php
+++ b/class/Parser.php
@@ -191,15 +191,32 @@ class Parser
         } else if ($TimRemote > $row['stamp']) {
             self::log("Loading $UrlRemote");
 
-            $fic=gzopen($UrlRemote, "r");
-            if ($fic) {
-                $txt="";
-                while ($buf=gzread($fic, 8196)) {
-                    $txt .= $buf;
+            $txt = file_get_contents($UrlRemote);
+            if (!$txt) {
+                self::log("ERROR : can't read $UrlRemote");
+            } else if (str_ends_with($UrlRemote, '.xml')) {
+                // OK
+            } else if (str_ends_with($UrlRemote, '.xz')) {
+                if (function_exists('xzdecode')) {
+                    $txt = xzdecode($txt);
+                } else {
+                    self::log("ERROR : missing xz php extension");
+                    return NULL;
                 }
-                self::log("Read " . strlen($txt) . " bytes");
-                gzclose($fic);
-
+            } else if (str_ends_with($UrlRemote, '.zst')) {
+                if (function_exists('zstd_uncompress')) {
+                    $txt = zstd_uncompress($txt);
+                } else {
+                    self::log("ERROR : missing zstd php extension");
+                    return NULL;
+                }
+            } else if (str_ends_with($UrlRemote, '.gz')) {
+                $txt = gzdecode($txt);
+            } else {
+                    self::log("ERROR : unkown compression");
+                    return NULL;
+            }
+            if ($txt) {
                 $primary = simplexml_load_string($txt);
                 if ($primary) {
                     self::log("Read " . $primary->attributes() . " packages");
@@ -210,7 +227,7 @@ class Parser
                     self::log("ERROR : can't parse $UrlRemote");
                 }
             } else {
-                self::log("ERROR : can't read $UrlRemote");
+                self::log("ERROR : can't uncompress $UrlRemote");
             }
         } else {
             self::log("no update needed : $TimRemote / " . $row['stamp']);
-- 
cgit