From 1c086292a33528487619c7e5b85fe27fa52c216e Mon Sep 17 00:00:00 2001
From: hanyixuanten <hanyixuanten@outlook.com>
Date: Sun, 14 Jul 2024 18:22:08 +0800
Subject: [PATCH] add a command:pwd. update the information the command help
 provides. optimize the file system

---
 .gitignore                                 |   7 ++++--
 favicon.ico                                | Bin 0 -> 13980 bytes
 help.txt                                   |   2 --
 index.php                                  |   2 ++
 static/help/clear.txt                      |   1 +
 static/help/help.txt                       |   1 +
 static/help/pwd.txt                        |   1 +
 static/terminal.php/help.txt               |   4 +++
 style.css => static/terminal.php/style.css |   0
 terminal.php                               |  28 ++++++++++++++++-----
 10 files changed, 36 insertions(+), 10 deletions(-)
 create mode 100644 favicon.ico
 delete mode 100644 help.txt
 create mode 100644 static/help/clear.txt
 create mode 100644 static/help/help.txt
 create mode 100644 static/help/pwd.txt
 create mode 100644 static/terminal.php/help.txt
 rename style.css => static/terminal.php/style.css (100%)

diff --git a/.gitignore b/.gitignore
index 73e6d2f..339e4c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,7 @@
 *.test.md
-pwd.txt
+/pwd.txt
 recent.txt
-.vscode
\ No newline at end of file
+.vscode
+tmp.txt
+/fileroot/*
+/fileroot
\ No newline at end of file
diff --git a/favicon.ico b/favicon.ico
new file mode 100644
index 0000000000000000000000000000000000000000..f0e5ca4328210e47241e278b67cbbeccb386e364
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diff --git a/help.txt b/help.txt
deleted file mode 100644
index f44ac9f..0000000
--- a/help.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-clear - clears the screen<br/>
-help - displays this help message<br/>
\ No newline at end of file
diff --git a/index.php b/index.php
index 6a016b2..569a3e1 100644
--- a/index.php
+++ b/index.php
@@ -3,6 +3,8 @@
 
 <head>
     <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" href="favicon.ico" type="image/x-icon">
     <title>Terminal</title>
     <style>
         body {
diff --git a/static/help/clear.txt b/static/help/clear.txt
new file mode 100644
index 0000000..80ef05c
--- /dev/null
+++ b/static/help/clear.txt
@@ -0,0 +1 @@
+clear - clears the screen<br/>
\ No newline at end of file
diff --git a/static/help/help.txt b/static/help/help.txt
new file mode 100644
index 0000000..b854377
--- /dev/null
+++ b/static/help/help.txt
@@ -0,0 +1 @@
+help - displays the help message<br/>
\ No newline at end of file
diff --git a/static/help/pwd.txt b/static/help/pwd.txt
new file mode 100644
index 0000000..b02369f
--- /dev/null
+++ b/static/help/pwd.txt
@@ -0,0 +1 @@
+pwd - shows the working directory<br/>
\ No newline at end of file
diff --git a/static/terminal.php/help.txt b/static/terminal.php/help.txt
new file mode 100644
index 0000000..e3bbb3f
--- /dev/null
+++ b/static/terminal.php/help.txt
@@ -0,0 +1,4 @@
+clear - clears the screen<br/>
+pwd - shows the working directory<br/>
+help - displays this help message<br/>
+type help [command] to show more details<br/>
\ No newline at end of file
diff --git a/style.css b/static/terminal.php/style.css
similarity index 100%
rename from style.css
rename to static/terminal.php/style.css
diff --git a/terminal.php b/terminal.php
index 7f44cf1..0c3c3c5 100644
--- a/terminal.php
+++ b/terminal.php
@@ -7,15 +7,22 @@ if (file_get_contents("recent.txt") == NULL) {
 if (file_get_contents("pwd.txt") == NULL) {
     file_put_contents("pwd.txt", "/");
 }
+if(!opendir("fileroot")){
+    if(!mkdir("fileroot")){
+        echo "Error creating directory.No permissions?";
+        exit(0);
+    }
+}
 ?>
 <html>
 
 <head>
-    <link rel="preload" href="style.css" as="style" />
+    <link rel="preload" href="static/terminal.php/style.css" as="style" />
     <meta charset="UTF-8" />
-    <!-- <meta http-equiv="refresh" content="2"> -->
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="icon" href="favicon.ico" type="image/x-icon">
     <title>frame</title>
-    <link rel="stylesheet" type="text/css" href="style.css" />
+    <link rel="stylesheet" type="text/css" href="static/terminal.php/style.css" />
 </head>
 
 <body>
@@ -24,14 +31,23 @@ if (file_get_contents("pwd.txt") == NULL) {
     file_put_contents("recent.txt", $pwd . " $ " . $_POST['command'] . "<br/>", FILE_APPEND);
     $output_str = file_get_contents("recent.txt");
     echo $output_str;
+    $commands = explode(" ", $_POST['command']);
     if ($_POST['command'] == NULL) {
         echo "<script>window.scrollTo(0,document.body.scrollHeight)</script>";
         exit(0);
+    } else if ($_POST['command'] == "pwd") {
+        file_put_contents("recent.txt", $pwd . "<br/>", FILE_APPEND);
     } else if ($_POST['command'] == "clear") {
         file_put_contents("recent.txt", "");
-    } else if ($_POST['command'] == "help") {
-        $help = file_get_contents("help.txt");
-        file_put_contents("recent.txt", $help, FILE_APPEND);
+    } else if ($commands[0] == "help") {
+        $help = file_get_contents("static/terminal.php/help.txt");
+        if (sizeof($commands) == 1) {
+            file_put_contents("recent.txt", $help, FILE_APPEND);
+        } else if (sizeof($commands) == 2 && file_get_contents("static/help/$commands[1].txt") != NULL) {
+            file_put_contents("recent.txt", file_get_contents("static/help/$commands[1].txt"), FILE_APPEND);
+        } else {
+            file_put_contents("recent.txt", "Unknown command.<br/>", FILE_APPEND);
+        }
     } else {
         file_put_contents("recent.txt", "Unknown command.<br/>", FILE_APPEND);
     }