From 76df4eb85cadf9cf548b4aa1cc95970e1d53f48d Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Sun, 1 May 2016 14:52:43 +0200
Subject: Implement loading saved games on server

---
 inc/Item.inc     |  4 ++++
 inc/messages.inc |  1 +
 inc/savegame.inc | 30 ++++++++++++++++++++++++++++++
 3 files changed, 35 insertions(+)

(limited to 'inc')

diff --git a/inc/Item.inc b/inc/Item.inc
index bef6d00..8e90998 100644
--- a/inc/Item.inc
+++ b/inc/Item.inc
@@ -20,6 +20,10 @@ class Item {
 		$item->addChild("icon", $this->icon);
 		$item->addChild("desc", $this->desc);
 	}
+
+	public static function fromXML($xml) {
+		return new static((string)$xml->name, +(string)$xml->cost /* convert to number */, (string)$xml->icon, (string)$xml->desc);
+	}
 }
 
 ?>
diff --git a/inc/messages.inc b/inc/messages.inc
index 9f3a09d..955c0a0 100644
--- a/inc/messages.inc
+++ b/inc/messages.inc
@@ -9,6 +9,7 @@ $messages = array(
 
 	"gamesave_ok" => "Game saved.",
 	"gamesave_error" => "An error occured when trying to save the game.",
+	"gamesave_not_found" => "Couldn't find the specified save file.",
 );
 
 function sendMessage($type, $msg) {
diff --git a/inc/savegame.inc b/inc/savegame.inc
index f3b6da6..4646601 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -41,4 +41,34 @@ function downSave() {
 	echo $save->asXML();
 }
 
+function listSaves() {
+	chdir(SAVEDIR); // Go to SAVEDIR folder, avoiding leading folder name in file list
+	echo json_encode(glob("*.save.xml"));
+}
+
+function parseSave($xml, &$table) { // Passing $table by reference
+	foreach($xml as $k => $v) {
+		if($v->count() == 0) { // No child, treat as string
+			$v = (string)$v;
+			if(is_numeric($v)) $v = +$v; // If it is in fact a number, treat it that way using PHP unary '+' coercion
+			$table[$k] = $v;
+		} elseif($k == "inventory") { // Special case for inventory: objects need to be created
+			foreach($v as $item) Inventory::addItem(Item::fromXML($item));
+		} else { // If nested array
+			$table[$k] = array();
+			parseXML($v, $table[$k]);
+		} // Other types unsupported (unused)
+	}
+}
+
+function loadSave() {
+	if(empty($_POST["filename"])) return;
+	$xml = simplexml_load_file(SAVEDIR . "/" . $_POST["filename"]);
+	if(empty($xml)) {
+		sendError("gamesave_not_found");
+		return;
+	}
+	$_SESSION = array(); // drop current game
+	parseSave($xml, $_SESSION);
+}
 ?>
-- 
cgit v1.2.3-54-g00ecf


From 888afbab390f227bb89c98847b516897886df3d3 Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Mon, 2 May 2016 15:48:37 +0200
Subject: Fix game save XML generation + add ability to send a previously
 generated game save

---
 inc/savegame.inc | 44 +++++++++++++++++++++++++++-----------------
 1 file changed, 27 insertions(+), 17 deletions(-)

(limited to 'inc')

diff --git a/inc/savegame.inc b/inc/savegame.inc
index 4646601..79b1dae 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -4,23 +4,22 @@ require_once("inc/messages.inc");
 
 define("SAVEDIR", "data/save");
 
-function genXML($v, $k, $xml) {
-	if(is_object($v))
-	{
-		if(is_callable(array($v, "addToXML")))
-			$v->addToXML($xml->addChild($k));
+function genXML($table, $xml) {
+	foreach($table as $k => $v) {
+		if(is_object($v)) { // Object: either Item or Inventory
+			if(is_callable(array($v, "addToXML"))) // Check if the object has a addToXML method
+				$v->addToXML($xml->addChild($k));
+		} elseif(is_array($v)) // Nested array
+			genXML($v, $xml->addChild($k));
+		else // Single value (numeric or string)
+			$xml->addChild($k, $v);
 	}
-	else
-		$xml->addChild($k, $v);
 }
 
 function genSave() {
-	header("Content-Type: application/xml");
 	$save = new SimpleXMLElement("<save/>");
-
-	array_walk_recursive($_SESSION, "genXML", $save);
+	genXML($_SESSION, $save);
 	return $save;
-	echo $save->asXML();
 }
 
 function genFilename() {
@@ -34,11 +33,22 @@ function saveGame() {
 }
 
 function downSave() {
-	$save = genSave();
-	header("Content-Type: application/xml");
-	header("Content-Disposition: attachment; filename=".genFilename());
-	header("Pragma: no-cache");
-	echo $save->asXML();
+	$save = "";
+	$filename = "";
+
+	if(empty($_GET["filename"])) {
+		$filename = genFilename();
+		$save = genSave()->asXML(); // Send current game save file if no file specified
+	} else {
+		$filename = $_GET["filename"];
+		$save = file_get_contents(SAVEDIR . "/" . $filename);
+		if(empty($save)) return; // Probably file not found
+	}
+
+	header("Content-Type: application/xml"); // Force browser to intepret the file as XML
+	header("Content-Disposition: attachment; filename=".$filename); // Force download with specific filename
+	header("Cache-Control: no-cache"); // Avoid storing save file in proxy/browser cache
+	echo $save;
 }
 
 function listSaves() {
@@ -56,7 +66,7 @@ function parseSave($xml, &$table) { // Passing $table by reference
 			foreach($v as $item) Inventory::addItem(Item::fromXML($item));
 		} else { // If nested array
 			$table[$k] = array();
-			parseXML($v, $table[$k]);
+			parseSave($v, $table[$k]);
 		} // Other types unsupported (unused)
 	}
 }
-- 
cgit v1.2.3-54-g00ecf


From 0b72114561a685b247922a93c576edabd4d3b09e Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Mon, 2 May 2016 15:59:16 +0200
Subject: Add ability to delete a save Doesn't work because idk which method to
 use and I don't have the PHP doc right now

---
 craftmine.php    | 1 +
 inc/messages.inc | 2 ++
 inc/savegame.inc | 7 +++++++
 js/savegame.js   | 3 +++
 4 files changed, 13 insertions(+)

(limited to 'inc')

diff --git a/craftmine.php b/craftmine.php
index 28bb49d..9a5d3d7 100644
--- a/craftmine.php
+++ b/craftmine.php
@@ -51,6 +51,7 @@ switch($op) {
 	case "downSave": downSave(); break;
 	case "listSaves": listSaves(); break;
 	case "loadSave": loadSave(); break;
+	case "deleteSave": deleteSave(); break;
 	default: reportBadRequest();
 }
 
diff --git a/inc/messages.inc b/inc/messages.inc
index 955c0a0..5574bcf 100644
--- a/inc/messages.inc
+++ b/inc/messages.inc
@@ -10,6 +10,8 @@ $messages = array(
 	"gamesave_ok" => "Game saved.",
 	"gamesave_error" => "An error occured when trying to save the game.",
 	"gamesave_not_found" => "Couldn't find the specified save file.",
+	"gamesave_delete_error" => "Couldn't delete the specified save file.",
+	"gamesave_delete_success" => "Game save successfully removed from server",
 );
 
 function sendMessage($type, $msg) {
diff --git a/inc/savegame.inc b/inc/savegame.inc
index 79b1dae..eb4134f 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -71,6 +71,13 @@ function parseSave($xml, &$table) { // Passing $table by reference
 	}
 }
 
+function deleteSave() {
+	if(empty($_POST["filename"])) return;
+	$filename = $_POST["filename"];
+	if(rm_file(SAVEDIR + "/" + $filename)) sendError("gamesave_delete_failed"); // TODO: find the correct method for removing a file…
+	else sendInfo("gamesave_delete_success");
+}
+
 function loadSave() {
 	if(empty($_POST["filename"])) return;
 	$xml = simplexml_load_file(SAVEDIR . "/" . $_POST["filename"]);
diff --git a/js/savegame.js b/js/savegame.js
index 438be0a..4a08f91 100644
--- a/js/savegame.js
+++ b/js/savegame.js
@@ -28,6 +28,9 @@ function downloadSave() {
 }
 
 function deleteSave() {
+	sendRequest("craftmine.php", "op=deleteSave&filename="+getCheckedSave(), function(ret) {
+		listSaves();
+	});
 }
 
 function saveGame() {
-- 
cgit v1.2.3-54-g00ecf


From 49aaf3ec355f783507875381a426ea350f0cdea1 Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Mon, 2 May 2016 19:22:05 +0200
Subject: Fix delete save game Yep, it was called unlink(). Who would've
 thought of that? Also, let's use the right operator and not fall for
 Javascript's silliness

---
 inc/savegame.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'inc')

diff --git a/inc/savegame.inc b/inc/savegame.inc
index eb4134f..2f8c70a 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -74,7 +74,7 @@ function parseSave($xml, &$table) { // Passing $table by reference
 function deleteSave() {
 	if(empty($_POST["filename"])) return;
 	$filename = $_POST["filename"];
-	if(rm_file(SAVEDIR + "/" + $filename)) sendError("gamesave_delete_failed"); // TODO: find the correct method for removing a file…
+	if(unlink(SAVEDIR + "/" + $filename)) sendError("gamesave_delete_failed");
 	else sendInfo("gamesave_delete_success");
 }
 
-- 
cgit v1.2.3-54-g00ecf


From 035a477c4f30180edecead29e8bcda34a0725881 Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Mon, 2 May 2016 19:58:11 +0200
Subject: Better when the user isn't allowed of deleting arbitrary files…
 Thanks PHP for not highligthing the problem and not providing simple
 solution…
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 inc/savegame.inc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'inc')

diff --git a/inc/savegame.inc b/inc/savegame.inc
index 2f8c70a..0dfb1c8 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -73,8 +73,9 @@ function parseSave($xml, &$table) { // Passing $table by reference
 
 function deleteSave() {
 	if(empty($_POST["filename"])) return;
-	$filename = $_POST["filename"];
-	if(unlink(SAVEDIR + "/" + $filename)) sendError("gamesave_delete_failed");
+	$path = SAVEDIR . "/" . basename($_POST["filename"]); // remove any leading directory
+	if(file_exists($path) && unlink($path))
+		sendError("gamesave_delete_failed");
 	else sendInfo("gamesave_delete_success");
 }
 
-- 
cgit v1.2.3-54-g00ecf


From bb029a5feff5c3d284ef8d509c116eee345c13b9 Mon Sep 17 00:00:00 2001
From: piernov <piernov@piernov.org>
Date: Mon, 2 May 2016 20:04:15 +0200
Subject: Better when error/info messages aren't swapped

---
 inc/messages.inc | 2 +-
 inc/savegame.inc | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

(limited to 'inc')

diff --git a/inc/messages.inc b/inc/messages.inc
index 5574bcf..4938fa1 100644
--- a/inc/messages.inc
+++ b/inc/messages.inc
@@ -10,7 +10,7 @@ $messages = array(
 	"gamesave_ok" => "Game saved.",
 	"gamesave_error" => "An error occured when trying to save the game.",
 	"gamesave_not_found" => "Couldn't find the specified save file.",
-	"gamesave_delete_error" => "Couldn't delete the specified save file.",
+	"gamesave_delete_fail" => "Couldn't delete the specified save file.",
 	"gamesave_delete_success" => "Game save successfully removed from server",
 );
 
diff --git a/inc/savegame.inc b/inc/savegame.inc
index 0dfb1c8..1fa95b0 100644
--- a/inc/savegame.inc
+++ b/inc/savegame.inc
@@ -75,8 +75,8 @@ function deleteSave() {
 	if(empty($_POST["filename"])) return;
 	$path = SAVEDIR . "/" . basename($_POST["filename"]); // remove any leading directory
 	if(file_exists($path) && unlink($path))
-		sendError("gamesave_delete_failed");
-	else sendInfo("gamesave_delete_success");
+		sendInfo("gamesave_delete_success");
+	else sendError("gamesave_delete_fail");
 }
 
 function loadSave() {
-- 
cgit v1.2.3-54-g00ecf