From acd0796f5fd1651d27fa479e4f9f2d811eeeed1d Mon Sep 17 00:00:00 2001
From: max/sooulix <maxime@freepoteries.fr>
Date: Tue, 11 Feb 2025 00:22:13 +0100
Subject: [PATCH] =?UTF-8?q?possibilit=C3=A9=20de=20r=C3=A9voquer=20un=20pa?=
 =?UTF-8?q?rtage?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/add_share.php          | 41 ++++++++----------
 src/common.php             | 59 +++++++++++++++++++------
 src/dir_list_template.php  |  8 ++++
 src/index.php              | 23 +++++++---
 src/new_share_template.php |  6 +--
 src/rm_share.php           | 36 ++++++++++++++++
 src/sanddir_template.php   | 88 ++++++++++++++++++++++----------------
 7 files changed, 180 insertions(+), 81 deletions(-)
 create mode 100644 src/rm_share.php

diff --git a/src/add_share.php b/src/add_share.php
index 9695188..42f0bbf 100644
--- a/src/add_share.php
+++ b/src/add_share.php
@@ -25,26 +25,23 @@ function write_line($dirname, $name, $description, $creation, $expiration, $expi
     );
 }
 
-if (isset($_POST) && isset($_GET['action']) && $_GET['action'] == 'add')
-{
-    $creation = (new DateTime())->format(DateTimeInterface::ISO8601);
-    $expires = current_date_offset($_POST['expiration']);
-    write_line(
-        $_POST['dirname'],
-        $_POST['name'],
-        $_POST['description'],
-        $creation,
-        $_POST['expiration'],
-        $expires
-    );
-    $new_share = [
-        "dir" => $_POST['dirname'],
-        "name" => $_POST['name'],
-        "description" => $_POST['description'],
-        "creation" => $creation,
-        "expiration" => $_POST['expiration'],
-        "expires" => current_date_offset($_POST['expiration'])
-    ];
-    $new_share["link"] = "./read.php?id=" . gen_identifier($new_share);
-}
+$creation = (new DateTime())->format(DateTimeInterface::ISO8601);
+$expires = current_date_offset($_POST['expiration']);
+write_line(
+    $_POST['dirname'],
+    $_POST['name'],
+    $_POST['description'],
+    $creation,
+    $_POST['expiration'],
+    $expires
+);
+$new_share = [
+    "dir" => $_POST['dirname'],
+    "name" => $_POST['name'],
+    "description" => $_POST['description'],
+    "creation" => $creation,
+    "expiration" => $_POST['expiration'],
+    "expires" => current_date_offset($_POST['expiration'])
+];
+$new_share["link"] = "./read.php?id=" . gen_identifier($new_share);
 ?>
diff --git a/src/common.php b/src/common.php
index 46a3ada..0bf8a7a 100644
--- a/src/common.php
+++ b/src/common.php
@@ -8,7 +8,7 @@ function gen_identifier($share)
             [
                 $GLOBALS['SANDDIR_SALT'],
                 $share['dir'],
-                $share['creation']
+                str_replace(' ', '+', $share['creation'])
             ]
         )
     ); 
@@ -37,6 +37,27 @@ function tsv_path($dir)
     ]);
 }
 
+function get_struct($dir, $line)
+{
+    if (!$line)
+    {
+        throw new Exception("Line is not compatible");
+    }
+    $split = explode("\t", $line);
+    if (count($split) < 5)
+    {
+        throw new Exception("Error with line " . $line);
+    }
+    return [
+        "dir" => $dir,
+        "name" => $split[0],
+        "description" => $split[1],
+        "creation" => $split[2],
+        "expiration" => $split[3],
+        "expires" => $split[4]
+    ];
+}
+
 function read_tsv($dir, $path)
 {
      
@@ -49,19 +70,8 @@ function read_tsv($dir, $path)
         {
             continue;
         }
-        $split = explode("\t", $line);
-        if (count($split) < 5)
-        {
-            throw new Exception("Error with line " . $line);
-        }
-        $shares[] = [
-            "dir" => $dir,
-            "name" => $split[0],
-            "description" => $split[1],
-            "creation" => $split[2],
-            "expiration" => $split[3],
-            "expires" => $split[4]
-        ];
+
+        $shares[] = get_struct($dir, $line);
     }
     return $shares;
 }
@@ -175,6 +185,27 @@ function zip_response($share)
     exit;
 }
 
+function find_share($dir, $creation)
+{
+    $shares = read_tsv(
+        $dir,
+        tsv_path($dir)
+    );
+    $identifier = gen_identifier([
+        'dir' => $dir,
+        'creation' => $creation
+    ]);
+
+    foreach ($shares as $share)
+    {
+        if (gen_identifier($share) == $identifier)
+        {
+            return $share;
+        }
+    }
+    return NULL;
+}
+
 function _($var)
 {
     print($var);
diff --git a/src/dir_list_template.php b/src/dir_list_template.php
index 67e82ea..f6b9727 100644
--- a/src/dir_list_template.php
+++ b/src/dir_list_template.php
@@ -1,3 +1,11 @@
+<?php 
+if (!$selected_dir)
+{
+?>
+Select a directory to share
+<?php
+}
+?>
 <ul>
     <?php 
     foreach (dir_list($GLOBALS['SANDDIR_ROOT_DIR']) as $share_dir)
diff --git a/src/index.php b/src/index.php
index e61a351..68a281c 100644
--- a/src/index.php
+++ b/src/index.php
@@ -1,22 +1,35 @@
 <html>
 <?php
 $new_share = NULL;
+$selected_dir = NULL;
 
 require_once('./common.php');
 
 require_once('./config_sanddir.php');
 
-include('./add_share.php');
-
-include('./dir_list_template.php');
+if (isset($_GET['dir']))
+{
+    $selected_dir = $_GET['dir'];
+}
+else
+{
+    include('./dir_list_template.php');
+}
 
+if (isset($_POST) && isset($_GET['action']) && $_GET['action'] == 'add')
+{
+    include('./add_share.php');
+}
 if ($new_share)
 {
     include('new_share_template.php');
 }
-else if (isset($_GET['dir']))
+else if ($selected_dir)
 {
-    $selected_dir = $_GET['dir'];
+    if (isset($_GET['action']) && $_GET['action'] == 'remove')
+    {
+        include('./rm_share.php');
+    }
     include('./sanddir_template.php');
 }
 
diff --git a/src/new_share_template.php b/src/new_share_template.php
index a98bb93..6d7cf1e 100644
--- a/src/new_share_template.php
+++ b/src/new_share_template.php
@@ -1,5 +1,5 @@
 Share "<?php _($new_share["dir"]) ?> with following link : <a href="<?php _($new_share["link"]) ?>"><?php _($new_share["link"]) ?></a>
 
-<?php
-print_r($new_share);
-?>
+</br>
+
+<a href="?dir=<?php _($new_share["dir"]) ?>">Return to home</a>
diff --git a/src/rm_share.php b/src/rm_share.php
new file mode 100644
index 0000000..86ac83b
--- /dev/null
+++ b/src/rm_share.php
@@ -0,0 +1,36 @@
+<?php
+function remove_share($dir, $creation)
+{
+    $identifier = gen_identifier([
+        'dir' => $dir,
+        'creation' => $creation
+    ]);
+
+
+    $tsv = tsv_path($dir); 
+    $keep = [];
+
+    $lines = file_get_contents($tsv);
+
+    foreach (explode("\n", $lines) as $line)
+    {
+        if (!$line)
+        {
+            continue;
+        }
+
+        $share = get_struct($dir, $line);
+        if (!(gen_identifier($share) == $identifier))
+        {
+            $keep[] = $line;
+        }
+    }
+    file_put_contents($tsv, implode("\n", $keep));
+
+    header("Location: index.php?dir=" . $dir);
+
+}
+
+remove_share($selected_dir, $_GET['creation']);
+
+?>
diff --git a/src/sanddir_template.php b/src/sanddir_template.php
index ea0942d..d5d9b66 100644
--- a/src/sanddir_template.php
+++ b/src/sanddir_template.php
@@ -30,47 +30,61 @@ if (isset($_GET['action']) && $_GET['action'] == 'share')
     </form>
 <?php
 }
-?>
+$shares = read_tsv($selected_dir, tsv_path($selected_dir));
 
-<h2>Existing shares for <?php _($selected_dir) ?></h2>
-
-<table>
-    <tr>
-        <th>Name</th>
-        <th>Description</th>
-        <th>Creation</th>
-        <th>Expiration</th>
-    </tr>
-<?php
-foreach (read_tsv($selected_dir, tsv_path($selected_dir)) as $share)
+if (count($shares))
 {
 ?>
-    <tr>
-        <td>
-            <?php _($share['name']) ?>
-        </td>
-        <td>
-            <?php _($share['description']) ?>
-        </td>
-        <td>
-        <?php
-            _(
-                explode('T', $share['creation'])[0]
-            );
-        ?>
-        </td>
-        <td>
-        <?php
-            _(
-                $share['expires']
-                ? explode('T', $share['expires'])[0]
-                : 'never'
-            );
-        ?>
-        </td>
-    </tr>
+
+    <h2>Existing shares for <?php _($selected_dir) ?></h2>
+
+    <table>
+        <tr>
+            <th>Name</th>
+            <th>Description</th>
+            <th>Creation</th>
+            <th>Expiration</th>
+            <th>Actions</th>
+        </tr>
+    <?php
+    foreach ($shares as $share)
+    {
+    ?>
+        <tr>
+            <td>
+                <?php _($share['name']) ?>
+            </td>
+            <td>
+                <?php _($share['description']) ?>
+            </td>
+            <td>
+            <?php
+                _(
+                    explode('T', $share['creation'])[0]
+                );
+            ?>
+            </td>
+            <td>
+            <?php
+                _(
+                    $share['expires']
+                    ? explode('T', $share['expires'])[0]
+                    : 'never'
+                );
+            ?>
+            </td>
+            <td>
+                <a href="?dir=<?php _($selected_dir) ?>&action=remove&creation=<?php _($share['creation']) ?>">
+                    Delete
+                </a>
+            </td>
+        </tr>
+    <?php
+    }
+    ?>
+    </table>
 <?php
 }
 ?>
-</table>
+