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Editing: index2.php

writable 0666

<?php
// -------------------------------------------------------------
//  RF Safe – Single‑Prompt Article Generator  (v1.2 – keyword links)
// -------------------------------------------------------------
//  ▸ Adds optional **Link URL** field.
//  ▸ If provided, the prompt instructs the model to hyperlink each keyword
//    (exactly once) to that URL.
//  ▸ Keywords field still weaves terms naturally.
//  ▸ Re‑uses Promptinator sidebar for API‑key / model / type.
// -------------------------------------------------------------

// ──────────────────────────────────────────────────────────────
//  COOKIE‑BASED KEY STORAGE (unchanged)
const COOKIE_NAME = 'openai_key';
const COOKIE_TTL  = 30 * 24 * 3600; // 30 days
const SECRET      = __FILE__;
function encrypt_val(string $v): string {
    $method = 'aes-128-ctr';
    $key    = substr(hash('sha256', SECRET, true), 0, 16);
    $iv     = random_bytes(openssl_cipher_iv_length($method));
    return base64_encode(openssl_encrypt($v, $method, $key, 0, $iv).'::'.$iv);
}
function decrypt_val(string $c): string {
    [$ct,$iv] = explode('::', base64_decode($c), 2) + [null,null];
    if(!$ct||!$iv) return '';
    $method='aes-128-ctr';
    $key   = substr(hash('sha256', SECRET, true), 0, 16);
    return openssl_decrypt($ct, $method, $key, 0, $iv) ?: '';
}

// ──────────────────────────────────────────────────────────────
//  SIMPLE POST HANDLER → CHAT COMPLETION (single prompt)
$msg  = '';
$html = '';
if ($_SERVER['REQUEST_METHOD']==='POST' && isset($_POST['generate'])) {
    $cookie = $_COOKIE[COOKIE_NAME] ?? '';
    $key    = $cookie ? decrypt_val($cookie) : '';
    if (!$key) {
        $msg = '❌ Missing API key.';
    } else {
        $model      = $_POST['model']     ?? 'gpt-3.5-turbo';
        $topic      = trim($_POST['topic'] ?? '');
        $sections   = intval($_POST['sections'] ?? 3);
        $paras      = intval($_POST['paras']    ?? 3);
        $lang       = $_POST['lang']      ?? 'English';
        $style      = $_POST['style']     ?? 'Creative';
        $tone       = $_POST['tone']      ?? 'Neutral';
        $keywords   = trim($_POST['keywords'] ?? '');
        $linkurl    = trim($_POST['linkurl']  ?? '');

$kwText   = $keywords ? " Include the following keywords naturally throughout the article: $keywords." : '';
        $linkText = ($keywords && $linkurl) ? " Hyperlink each keyword exactly once to $linkurl in markdown format." : '';

$userPrompt = "Write an $lang article in a $tone tone using a $style writing style on the topic \"$topic\". " .
                      "Structure it into $sections sections with $paras paragraphs per section." .
                      $kwText . $linkText .
                      " After the body, include a short excerpt labelled 'Excerpt'. Return ONLY the article in Markdown.";

$payload = [
            'model' => $model,
            'messages' => [
                ['role'=>'user','content'=>$userPrompt]
            ],
            'max_tokens'  => max(600, $sections*$paras*160),
            'temperature' => 0.7
        ];
        $ch = curl_init('https://api.openai.com/v1/chat/completions');
        curl_setopt_array($ch,[
            CURLOPT_RETURNTRANSFER=>true,
            CURLOPT_HTTPHEADER=>[
                'Authorization: Bearer '.$key,
                'Content-Type: application/json'
            ],
            CURLOPT_POST=>true,
            CURLOPT_POSTFIELDS=>json_encode($payload),
            CURLOPT_TIMEOUT=>45
        ]);
        $resp = curl_exec($ch);
        curl_close($ch);
        $data = json_decode($resp,true);
        $html = $data['choices'][0]['message']['content'] ?? '❌ No content returned.';
    }
}

//  LANGUAGE / STYLE / TONE LISTS (static)
$langs  = ['English','Spanish','German','French','Italian','Portuguese','Dutch'];
$styles = ['Creative','Informative','Narrative','Persuasive','Analytical','Journalistic'];
$tones  = ['Neutral','Cheerful','Humorous','Assertive','Inspirational','Professional','Emotional'];
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Article Generator – Promptinator</title>
<meta name="viewport" content="width=device-width,initial-scale=1">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@picocss/pico@2/css/pico.min.css">
<style>
:root{--blue:#4f8cff;--blue-d:#275dbe;--grey:#23253a;--grey-l:#f5f7fa;--radius:.75rem}
*{box-sizing:border-box}
body{margin:0;display:flex;min-height:100vh;font-family:system-ui,sans-serif;background:var(--grey-l)}
.sidebar{flex:0 0 280px;background:#181c23;color:#fff;padding:2rem;display:flex;flex-direction:column;gap:1.25rem}
.sidebar h1{margin:0;font-size:1.6rem;color:var(--blue)}
.main{flex:1;padding:2rem;display:flex;justify-content:center;align-items:flex-start}
.panel{background:#fff;border-radius:var(--radius);box-shadow:0 4px 24px rgba(0,0,0,.08);padding:2rem;max-width:760px;width:100%;display:grid;gap:1.25rem}
label{font-weight:600}
textarea#article{min-height:340px;font-family:"Fira Code",monospace}
button.copy{background:var(--blue);color:#fff;border:none;border-radius:var(--radius);padding:.6rem 1.2rem;cursor:pointer}
@media(max-width:800px){body{flex-direction:column}.sidebar{width:100%;order:2}.main{order:1;padding:1rem}}
</style>
</head>
<body>
  
  <div class="sidebar">
    <h1>Promptinator</h1>
<?php $cookie=$_COOKIE[COOKIE_NAME]??''; $key=$cookie?decrypt_val($cookie):''; if(!$key):?>
    <form method="post" autocomplete="off">
      <input type="password" name="api_key" placeholder="sk-..." required>
      <button name="save_key">Save & Login</button>
      <a href="https://platform.openai.com/api-keys" target="_blank" style="font-size:.9rem;color:var(--blue)">👉 Get your API Key</a>
    </form>
    <small><?= $msg ?: 'Your key is stored only in a browser cookie.' ?></small>
<?php else:?>
    <div style="font-size:.95rem"><span style="color:#72eb99">●</span> Logged in</div>
    <a href="?delete_key=1" style="color:#fff;text-decoration:none;font-size:.9rem">Logout</a>
<?php endif;?>
  </div>

<div class="main">
    <div class="panel">
      <h2>Create an Article</h2>
<?php if(!$key):?>
      <p>Please enter your OpenAI key in the sidebar to continue.</p>
<?php else:?>
      <form method="post" id="frm">
        <input type="hidden" name="model" value="gpt-4o-mini">

<label>Topic
          <input name="topic" id="topic" placeholder="e.g. Benefits of Li‑Fi Technology" required>
        </label>

<label>Keywords (comma‑separated)
          <input name="keywords" id="keywords" placeholder="li-fi, rf safety, photonic communication">
        </label>

<label>Link URL (optional)
          <input name="linkurl" id="linkurl" type="url" placeholder="https://example.com">
        </label>

<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1rem">
          <label># Sections
            <select name="sections" id="sections">
<?php for($i=1;$i<=8;$i++):?><option value="<?=$i?>" <?=$i==3?'selected':''?>><?=$i?></option><?php endfor;?>
            </select>
          </label>
          <label># Paragraphs / Section
            <select name="paras" id="paras">
<?php for($i=1;$i<=6;$i++):?><option value="<?=$i?>" <?=$i==3?'selected':''?>><?=$i?></option><?php endfor;?>
            </select>
          </label>
          <label>Language
            <select name="lang" id="lang">
<?php foreach($langs as $l):?><option value="<?=$l?>"><?=$l?></option><?php endforeach;?>
            </select>
          </label>
          <label>Style
            <select name="style" id="style">
<?php foreach($styles as $s):?><option value="<?=$s?>" <?= $s==='Creative'?'selected':''?>><?=$s?></option><?php endforeach;?>
            </select>
          </label>
          <label>Tone
            <select name="tone" id="tone">
<?php foreach($tones as $t):?><option value="<?=$t?>" <?= $t==='Neutral'?'selected':''?>><?=$t?></option><?php endforeach;?>
            </select>
          </label>
        </div>

<label>Prompt Preview
          <textarea id="prompt" readonly style="min-height:120px"></textarea>
        </label>
        <button type="button" class="copy" id="copyPrompt">Copy Prompt</button>
        <button name="generate" style="margin-top:1rem">Generate Article</button>
      </form>
<?php if($html):?>
        <label>Article Markdown
          <textarea id="article" readonly><?= htmlspecialchars($html) ?></textarea>
        </label>
        <button type="button" class="copy" id="copyArticle">Copy Article</button>
<?php endif;?>
<?php endif;?>
    </div>
  </div>

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Editing: index2.php

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