1 files changed, 0 insertions, 32 deletions
diff --git a/katzenpost_sender.php b/katzenpost_sender.php
deleted file mode 100644
index 88ce2ae..0000000
--- a/katzenpost_sender.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-/** Send an already prepared YAMN payload through the local Katzenpost sender. */
-function sendKatzenpostEnvelope(string $entryAddress, string $payload, int $copies = 1): array
-{
-    $sender = getenv('YAMN_KP_SENDER') ?: '/usr/local/bin/yamn-submit';
-    $config = getenv('YAMN_KP_CONFIG') ?: '/etc/yamnweb/thinclient.toml';
-    if (!is_executable($sender)) {
-        return ['success' => false, 'error' => 'Katzenpost sender is not available'];
-    }
-    if (!filter_var($entryAddress, FILTER_VALIDATE_EMAIL) || !str_ends_with(strtolower($entryAddress), '@remailer.example')) {
-        return ['success' => false, 'error' => 'Invalid YAMN entry address'];
-    }
-    if ($payload === '' || strlen($payload) > 65536) {
-        return ['success' => false, 'error' => 'Invalid YAMN payload'];
-    }
-
-    $message = "To: {$entryAddress}\n" . $payload;
-    if (!str_contains($message, "-----BEGIN REMAILER MESSAGE-----\n")) {
-        $message = "To: {$entryAddress}\n\n-----BEGIN REMAILER MESSAGE-----\n" . $payload;
-    }
-    if ($copies !== 1) return ['success' => false, 'error' => 'Multiple copies are not enabled in the PoC'];
-    $input = json_encode(['entry_address' => $entryAddress, 'message' => $message], JSON_THROW_ON_ERROR);
-    $descriptor = [0 => ['pipe', 'r'], 1 => ['pipe', 'w'], 2 => ['pipe', 'w']];
-    $process = proc_open([$sender, '-config', $config, '-settle', '2s'], $descriptor, $pipes);
-    if (!is_resource($process)) return ['success' => false, 'error' => 'Unable to start Katzenpost sender'];
-    fwrite($pipes[0], $input);
-    fclose($pipes[0]);
-    $stdout = stream_get_contents($pipes[1]); fclose($pipes[1]);
-    $stderr = stream_get_contents($pipes[2]); fclose($pipes[2]);
-    $status = proc_close($process);
-    return $status === 0 ? ['success' => true] : ['success' => false, 'error' => 'Katzenpost submission failed'];
-}