From 8902d8ce924a2ce43dc53420c502adfbd53730ed Mon Sep 17 00:00:00 2001
From: tofulm <tofulm@gmail.com>
Date: Thu, 19 Dec 2019 16:57:40 +0100
Subject: [PATCH] ajout sur la page sha256sum d'une verification id_objet objet

---
 blocklog_fonctions.php | 49 +++++++++++++++++++-------
 sha256sum.html         | 80 ++++++++++++++++++++++++++++++++++++------
 2 files changed, 106 insertions(+), 23 deletions(-)

diff --git a/blocklog_fonctions.php b/blocklog_fonctions.php
index 777edd9..0a515be 100755
--- a/blocklog_fonctions.php
+++ b/blocklog_fonctions.php
@@ -13,17 +13,42 @@ if (!defined('_ECRIRE_INC_VERSION')) {
 	return;
 }
 
-function trouver_blocklog($id_objet, $objet){
-	$from = array(
-		'spip_blocklogs as B',
-		'spip_blocklogs_liens as L'
-	);
-	$where = array(
-		'L.id_objet='.intval($id_objet),
-		'L.objet='.sql_quote($objet),
-		'L.id_blocklog=B.id_blocklog'
-	);
-	$blockchaine = sql_getfetsel('blockchaine', $from, $where, '', 'B.id_blocklog DESC', 1);
+function trouver_blocklog($id_objet, $objet, $id = false){
+	static $r;
 
-	return $blockchaine;
+	if ($r == null) {
+		$from = array(
+			'spip_blocklogs as B',
+			'spip_blocklogs_liens as L'
+		);
+		$where = array(
+			'L.id_objet='.intval($id_objet),
+			'L.objet='.sql_quote($objet),
+			'L.id_blocklog=B.id_blocklog'
+		);
+		$r = sql_fetsel('B.id_blocklog, B.blockchaine, B.chaine', $from, $where, '', 'B.id_blocklog DESC', 1);
+	}
+
+	if ($id) {
+		return $r;
+	}
+
+	return $r['blockchaine'];
+}
+
+
+function blocklog_verifier_blockchaine($id_objet, $objet){
+	if (intval($id_objet) and $objet) {
+		$r = trouver_blocklog($id_objet, $objet, true);
+		$id_blocklog_pre = intval($r['id_blocklog']) - 1;
+		$blockchaine = sql_getfetsel('blockchaine', 'spip_blocklogs', 'id_blocklog='.intval($id_blocklog_pre));
+
+		if (! defined("_BLOCKLOG_ALGO")) {
+			define("_BLOCKLOG_ALGO", 'sha256');
+		}
+		$blockchaine .= "|" . $r['chaine'];
+		$blockchaine  = hash(_BLOCKLOG_ALGO, $blockchaine);
+
+		return $blockchaine === $r['blockchaine'];
+	}
 }
diff --git a/sha256sum.html b/sha256sum.html
index 47327ad..2f10620 100755
--- a/sha256sum.html
+++ b/sha256sum.html
@@ -5,19 +5,45 @@
 		<meta charset="utf-8">
 		<title>sha256sum</title>
 		<style type="text/css" media="screen">
-body {
-	width: 800px;
-	margin: 50px auto;
-}
+		body {
+			width: 800px;
+			margin: 50px auto;
+		}
 		.txtcenter {
 			text-align: center;
 		}
-		textarea {
+		textarea, input {
 			width: 600px;
 		}
 		textarea#sha {
 			width: 100%;
 		}
+		label span{
+			display: inline-block;
+			width: 80px;
+		}
+		.tag--success{
+			display: inline-block;
+			padding: 3px 0.5rem;
+			vertical-align: baseline;
+			white-space: nowrap;
+			border-radius: 0;
+			line-height: 1;
+			background-color: RGB(92, 184, 92);
+			color: rgb(255, 255, 255);
+			box-shadow: none;
+		}
+		.tag--danger{
+			display: inline-block;
+			padding: 3px 0.5rem;
+			vertical-align: baseline;
+			white-space: nowrap;
+			border-radius: 0;
+			line-height: 1;
+			background-color: RGB(217, 83, 79);
+			color: rgb(255, 255, 255);
+			box-shadow: none;
+		}
 		</style>
 	</head>
 
@@ -26,13 +52,13 @@ body {
 			<h1 class="txtcenter">sha256sum</h1>
 		</header>
 		<div>
-			<label>champ1 &nbsp;<textarea type="text" name="" id="c1"></textarea></label>
+			<label><span>champ1</span><textarea type="text" name="" id="c1"></textarea></label>
 		</div>
 		<div>
-			<label>champ2 &nbsp;<textarea type="text" name="" id="c2">|</textarea></label>
+			<label><span>champ2</span><textarea type="text" name="" id="c2">|</textarea></label>
 		</div>
 		<div>
-			<label>champ3 &nbsp;<textarea type="text" name="" id="c3"></textarea></label>
+			<label><span>champ3</span><textarea type="text" name="" id="c3"></textarea></label>
 		</div>
 		<br>
 		<br>
@@ -43,12 +69,45 @@ body {
 		<hr>
 		<br>
 		<h2 class="txtcenter"> Resultat </h2>
-			<textarea name="" id="sha"></textarea>
+		<textarea name="" id="sha"></textarea>
+		<br>
+		<br>
+		<hr>
+		<br>
+		<h2 class="txtcenter">Tester la blockchaine d'un id_objet</h2>
+		<div>
+			<label for="id_objet"><span>id_objet</span> <input type="text" value="#ENV{id_objet}" name="" id="id_objet"/></label>
+		</div>
+		<div>
+			<label for="objet"><span>objet</span> <input type="text" value="#ENV{objet}" name="" id="objet"/></label>
+		</div>
+		<br>
+		<br>
+		<div class="txtcenter">
+			<button id="verifier_objet">Vérifier cet objet</button>
+			[(#ENV{id_objet}|oui)
+				[(#ENV{id_objet}|blocklog_verifier_blockchaine{#ENV{objet}}|oui)
+					<span class="a_cacher tag--success ok">Blockchaine Valide</span>
+				]
+				[(#ENV{id_objet}|blocklog_verifier_blockchaine{#ENV{objet}}|non)
+					<span class="a_cacher tag--danger erreur">Blockchaine Valide</span>
+				]
+			]
+		</div>
+
 	</body>
 	<script type="text/javascript">
 
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i=this.array();t.call(this,this.is224,this.sharedMemory),this.update(this.oKeyPad),this.update(i),t.prototype.finalize.call(this)}};var B=w();B.sha256=B,B.sha224=w(!0),B.sha256.hmac=_(),B.sha224.hmac=_(!0),o?module.exports=B:(s.sha256=B.sha256,s.sha224=B.sha224,a&&define(function(){return B}))}();
 
+		let monButtonVerifier = document.querySelector('#verifier_objet');
+		monButtonVerifier.addEventListener('click',function(){
+			var id_objet = document.querySelector('#id_objet').value;
+			var objet = document.querySelector('#objet').value;
+			var url = "[(#URL_PAGE{sha256sum}|url_absolue)]&id_objet="+id_objet+"&objet="+objet;
+			window.location = url;
+		});
+
 		let monButton = document.querySelector('#creer');
 		monButton.addEventListener('click',function(){
 			let c1 = document.querySelector('#c1').value;
@@ -58,8 +117,7 @@ body {
 			chaine = sha256(chaine);
 			console.log(chaine);
 			document.querySelector('#sha').value = chaine;
-		})
-
+		});
 
 	</script>