Telegram Cron umgebaut

2026-04-08 12:34:02 +02:00
parent dbe8e86623
commit 7dcefbe215
6 changed files with 1302 additions and 1191 deletions
@@ -0,0 +1,299 @@
+<?php
+declare(strict_types=1);
+
+/**
+ * Telegram-Transportfunktionen fuer Bot-Nachrichten und Dateiversand.
+ *
+ * Diese Datei kapselt die HTTP-Kommunikation mit der Telegram Bot API,
+ * sowohl fuer JSON-Requests als auch fuer Multipart-Uploads von Bildern
+ * und Dokumenten. Die Cron-Tasks muessen dadurch keine Request-Details kennen.
+ */
+
+function telegramHttpPostJson(string $url, array $payload): array
+{
+    $jsonPayload = json_encode($payload, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    if ($jsonPayload === false) {
+        return [
+            'ok' => false,
+            'error' => 'Die Telegram-Anfrage konnte nicht als JSON kodiert werden.',
+            'body' => null,
+        ];
+    }
+
+    if (DIRECTORY_SEPARATOR === '\\' && function_exists('shell_exec')) {
+        $urlBase64 = base64_encode($url);
+        $payloadBase64 = base64_encode($jsonPayload);
+        $powerShellScript = str_replace(
+            ['__URL_BASE64__', '__PAYLOAD_BASE64__'],
+            [$urlBase64, $payloadBase64],
+            <<<'PS'
+$ErrorActionPreference = 'Stop'
+$url = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__URL_BASE64__'))
+$body = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__PAYLOAD_BASE64__'))
+try {
+    $response = Invoke-RestMethod -Method Post -Uri $url -ContentType 'application/json' -Body $body
+    [PSCustomObject]@{
+        ok = $true
+        body = ($response | ConvertTo-Json -Depth 20 -Compress)
+        error = ''
+    } | ConvertTo-Json -Compress
+} catch {
+    $stream = $null
+    $responseBody = ''
+    if ($_.Exception.Response) {
+        try {
+            $stream = $_.Exception.Response.GetResponseStream()
+            if ($stream) {
+                $reader = New-Object System.IO.StreamReader($stream)
+                $responseBody = $reader.ReadToEnd()
+            }
+        } catch {
+        } finally {
+            if ($stream) {
+                $stream.Dispose()
+            }
+        }
+    }
+    [PSCustomObject]@{
+        ok = $false
+        body = $responseBody
+        error = $_.Exception.Message
+    } | ConvertTo-Json -Compress
+}
+PS
+        );
+        $encodedCommandBinary = function_exists('iconv')
+            ? iconv('UTF-8', 'UTF-16LE', $powerShellScript)
+            : $powerShellScript;
+        $encodedCommand = base64_encode($encodedCommandBinary === false ? $powerShellScript : $encodedCommandBinary);
+        $command = 'powershell -NoProfile -ExecutionPolicy Bypass -EncodedCommand ' . $encodedCommand;
+        $rawOutput = shell_exec($command);
+
+        if ($rawOutput !== null && trim($rawOutput) !== '') {
+            $decodedShell = json_decode(trim($rawOutput), true);
+            if (is_array($decodedShell)) {
+                return [
+                    'ok' => (bool) ($decodedShell['ok'] ?? false),
+                    'error' => $decodedShell['error'] ?? null,
+                    'body' => $decodedShell['body'] ?? null,
+                ];
+            }
+        }
+    }
+
+    if (function_exists('curl_init')) {
+        $ch = curl_init($url);
+        curl_setopt_array($ch, [
+            CURLOPT_POST => true,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_HTTPHEADER => [
+                'Content-Type: application/json',
+                'Content-Length: ' . strlen($jsonPayload),
+            ],
+            CURLOPT_POSTFIELDS => $jsonPayload,
+            CURLOPT_TIMEOUT => 20,
+        ]);
+
+        $body = curl_exec($ch);
+        $error = curl_error($ch);
+        curl_close($ch);
+
+        return [
+            'ok' => $body !== false,
+            'error' => $body === false ? $error : null,
+            'body' => $body !== false ? $body : null,
+        ];
+    }
+
+    $context = stream_context_create([
+        'http' => [
+            'method' => 'POST',
+            'header' => implode("\r\n", [
+                'Content-Type: application/json',
+                'Content-Length: ' . strlen($jsonPayload),
+            ]),
+            'content' => $jsonPayload,
+            'timeout' => 20,
+            'ignore_errors' => true,
+        ],
+    ]);
+
+    $body = @file_get_contents($url, false, $context);
+
+    return [
+        'ok' => $body !== false,
+        'error' => $body === false ? 'HTTP-Request fehlgeschlagen.' : null,
+        'body' => $body !== false ? $body : null,
+    ];
+}
+
+
+function telegramHttpPostMultipart(string $url, array $fields, string $fileField, string $filePath, ?string $fileName = null): array
+{
+    if (!is_file($filePath)) {
+        return [
+            'ok' => false,
+            'error' => 'Datei fuer Telegram-Versand nicht gefunden: ' . $filePath,
+            'body' => null,
+        ];
+    }
+
+    if (DIRECTORY_SEPARATOR === '\\' && function_exists('shell_exec')) {
+        $urlBase64 = base64_encode($url);
+        $filePathBase64 = base64_encode($filePath);
+        $fileNameBase64 = base64_encode((string) ($fileName ?? basename($filePath)));
+        $fieldsBase64 = base64_encode(json_encode($fields, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES) ?: '{}');
+        $fileFieldBase64 = base64_encode($fileField);
+
+        $powerShellScript = str_replace(
+            ['__URL_BASE64__', '__FILE_PATH_BASE64__', '__FILE_NAME_BASE64__', '__FIELDS_BASE64__', '__FILE_FIELD_BASE64__'],
+            [$urlBase64, $filePathBase64, $fileNameBase64, $fieldsBase64, $fileFieldBase64],
+            <<<'PS'
+$ErrorActionPreference = 'Stop'
+$url = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__URL_BASE64__'))
+$filePath = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__FILE_PATH_BASE64__'))
+$fileName = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__FILE_NAME_BASE64__'))
+$fileField = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__FILE_FIELD_BASE64__'))
+$fieldsJson = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('__FIELDS_BASE64__'))
+$fieldsObject = $fieldsJson | ConvertFrom-Json
+$form = @{}
+foreach ($property in $fieldsObject.PSObject.Properties) {
+    $form[$property.Name] = [string] $property.Value
+}
+$form[$fileField] = Get-Item -LiteralPath $filePath
+try {
+    $response = Invoke-RestMethod -Method Post -Uri $url -Form $form
+    [PSCustomObject]@{
+        ok = $true
+        body = ($response | ConvertTo-Json -Depth 20 -Compress)
+        error = ''
+    } | ConvertTo-Json -Compress
+} catch {
+    [PSCustomObject]@{
+        ok = $false
+        body = ''
+        error = $_.Exception.Message
+    } | ConvertTo-Json -Compress
+}
+PS
+        );
+        $encodedCommandBinary = function_exists('iconv')
+            ? iconv('UTF-8', 'UTF-16LE', $powerShellScript)
+            : $powerShellScript;
+        $encodedCommand = base64_encode($encodedCommandBinary === false ? $powerShellScript : $encodedCommandBinary);
+        $command = 'powershell -NoProfile -ExecutionPolicy Bypass -EncodedCommand ' . $encodedCommand;
+        $rawOutput = shell_exec($command);
+
+        if ($rawOutput !== null && trim($rawOutput) !== '') {
+            $decodedShell = json_decode(trim($rawOutput), true);
+            if (is_array($decodedShell)) {
+                return [
+                    'ok' => (bool) ($decodedShell['ok'] ?? false),
+                    'error' => $decodedShell['error'] ?? null,
+                    'body' => $decodedShell['body'] ?? null,
+                ];
+            }
+        }
+    }
+
+    if (function_exists('curl_init')) {
+        $payload = $fields;
+        $extension = strtolower((string) pathinfo($filePath, PATHINFO_EXTENSION));
+        $mimeType = match ($extension) {
+            'png' => 'image/png',
+            'jpg', 'jpeg' => 'image/jpeg',
+            'svg' => 'image/svg+xml',
+            default => 'application/octet-stream',
+        };
+        $payload[$fileField] = new CURLFile($filePath, $mimeType, $fileName ?? basename($filePath));
+
+        $ch = curl_init($url);
+        curl_setopt_array($ch, [
+            CURLOPT_POST => true,
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_POSTFIELDS => $payload,
+            CURLOPT_TIMEOUT => 30,
+        ]);
+
+        $body = curl_exec($ch);
+        $error = curl_error($ch);
+        curl_close($ch);
+
+        return [
+            'ok' => $body !== false,
+            'error' => $body === false ? $error : null,
+            'body' => $body !== false ? $body : null,
+        ];
+    }
+
+    return [
+        'ok' => false,
+        'error' => 'Multipart-Versand ist ohne curl nicht verfuegbar.',
+        'body' => null,
+    ];
+}
+
+
+function telegramSendBotMessage(array $telegramConfig, string $chatId, string $messageText): bool
+{
+    $botToken = trim((string) ($telegramConfig['bot_token'] ?? ''));
+    if ($botToken === '' || $chatId === '' || $messageText === '') {
+        return false;
+    }
+
+    $response = telegramHttpPostJson(
+        'https://api.telegram.org/bot' . $botToken . '/sendMessage',
+        [
+            'chat_id' => $chatId,
+            'text' => appendTelegramServiceFooter($messageText),
+        ]
+    );
+
+    return (bool) ($response['ok'] ?? false);
+}
+
+
+function telegramSendBotDocument(array $telegramConfig, string $chatId, string $filePath, string $caption = ''): bool
+{
+    $botToken = trim((string) ($telegramConfig['bot_token'] ?? ''));
+    if ($botToken === '' || $chatId === '' || !is_file($filePath)) {
+        return false;
+    }
+
+    $response = telegramHttpPostMultipart(
+        'https://api.telegram.org/bot' . $botToken . '/sendDocument',
+        [
+            'chat_id' => $chatId,
+            'caption' => appendTelegramServiceFooter($caption),
+        ],
+        'document',
+        $filePath,
+        basename($filePath)
+    );
+
+    return (bool) ($response['ok'] ?? false);
+}
+
+
+function telegramSendBotPhoto(array $telegramConfig, string $chatId, string $filePath, string $caption = ''): bool
+{
+    $botToken = trim((string) ($telegramConfig['bot_token'] ?? ''));
+    if ($botToken === '' || $chatId === '' || !is_file($filePath)) {
+        return false;
+    }
+
+    $response = telegramHttpPostMultipart(
+        'https://api.telegram.org/bot' . $botToken . '/sendPhoto',
+        [
+            'chat_id' => $chatId,
+            'caption' => appendTelegramServiceFooter($caption),
+        ],
+        'photo',
+        $filePath,
+        basename($filePath)
+    );
+
+    return (bool) ($response['ok'] ?? false);
+}
+
+