first commit

images/cached_block_image.php

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+<?php
+
+// ---
+// --- La config globale
+// ---
+chdir('/opt/TOPISTO/apps');
+require_once '/opt/TOPISTO/apps/global/inc/config.php';
+
+// ---
+// --- External dependances
+// ---
+require TOPISTO_PATH.'/ressources/vendor/autoload.php';
+
+// ---
+// --- Internal dependances
+// ---
+require_once APP_PATH.'/blockchain/inc/block.php';
+
+// ---
+// --- Par défaut on cherche le dernier block
+// ---
+$block_hash = '*';
+
+// ---
+// --- Le cas échéant, on cherche block passé en argument
+// ---
+if (isset($_REQUEST['hash'])) $block_hash = $_REQUEST['hash'];
+
+$img = null;
+
+$myarray = glob(DATA_PATH.'/hasard/'.$block_hash.'.png');
+if (isset($myarray[0]))
+{
+        usort( $myarray, function( $a, $b ) { return filemtime($a) - filemtime($b); } );
+        $img = imagecreatefrompng($myarray[0]);
+
+        $seconds_to_cache = 7200;
+        $ts = gmdate("D, d M Y H:i:s", time() + $seconds_to_cache) . " GMT";
+        header("Expires: $ts");
+        header("Pragma: cache");
+        header("Cache-Control: max-age=$seconds_to_cache");
+        header('Content-Type: image/png');
+
+        imagepng($img);
+
+        imagedestroy($img);
+
+        exit(0);
+}
+
+require_once('block_image.php');
+
+?>