From c5cc91b07505f36226bfc169ce2072877dfd7a9e Mon Sep 17 00:00:00 2001
From: James Collins <james.collins@outlook.com.au>
Date: Fri, 3 Feb 2023 20:14:01 +1000
Subject: [PATCH] added get options

---
 app/Http/Controllers/Api/LogController.php | 115 ++++++++++++++++-----
 1 file changed, 91 insertions(+), 24 deletions(-)

diff --git a/app/Http/Controllers/Api/LogController.php b/app/Http/Controllers/Api/LogController.php
index 60f18dc..f3b3d4c 100644
--- a/app/Http/Controllers/Api/LogController.php
+++ b/app/Http/Controllers/Api/LogController.php
@@ -18,43 +18,110 @@ class LogController extends ApiController
     /**
      * Display the specified resource.
      *
-     * @param  Request       $request The log request.
+     * @param  Request $request The log request.
+     * @param  string  $name    The log name.
      * @return \Illuminate\Http\Response
      */
     public function show(Request $request, string $name)
     {
-        if($request->user()?->hasPermission('logs/' . $name)) {
-            switch(strtolower($name)) {
+        if ($request->user()?->hasPermission('logs/' . $name) === true) {
+            switch (strtolower($name)) {
                 case 'discord':
-                    $outputContents = '';
-                    $errorContents = '';
+                    $data = [];
+                    // $outputContents = '';
+                    // $errorContents = '';
 
-                    // output log
-                    $filePath = '/home/discordbot/.pm2/logs/stemmech-discordbot-out-0.log';
-                    if(file_exists($filePath) === true) {
-                        $outputContents = file_get_contents($filePath);
+                    $logs = $request->get('logs');
+                    if ($logs === null) {
+                        $logs = ['output', 'error'];
+                    } else {
+                        $logs = explode(',', strtolower($logs));
                     }
 
-                    $lines = preg_split("/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: (?:(?!\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: )[\s\S])*)/", $outputContents, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
-                    $outputContents = implode('', array_reverse($lines));
-                    
-                    // error log
-                    $filePath = '/home/discordbot/.pm2/logs/stemmech-discordbot-error-0.log';
-                    if(file_exists($filePath) === true) {
-                        $errorContents = file_get_contents($filePath);
+                    $lines = intval($request->get('lines', 50));
+                    if ($lines > 100) {
+                        $lines = 100;
+                    } elseif ($lines < 0) {
+                        $lines = 1;
                     }
 
-                    $lines = preg_split("/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: (?:(?!\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: )[\s\S])*)/", $errorContents, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
-                    $errorContents = implode('', array_reverse($lines));
+                    $before = $request->get('before');
+                    if ($before !== null) {
+                        $before = preg_split("/^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2}): /", $before, -1, (PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY));
+                        if (count($before) < 6) {
+                            $before = null;
+                        }
+                    }
+
+                    $after = $request->get('after');
+                    if ($after !== null) {
+                        $after = preg_split("/^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2}): /", $after, -1, (PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY));
+                        if (count($after) < 6) {
+                            $after = null;
+                        }
+                    }
+
+                    $logFiles = [
+                        [
+                            'name' => 'output',
+                            'path' => '/home/discordbot/.pm2/logs/stemmech-discordbot-out-0.log'
+                        ],[
+                            'name' => 'error',
+                            'path' => '/home/discordbot/.pm2/logs/stemmech-discordbot-error-0.log'
+                        ]
+                    ];
+
+                    foreach ($logFiles as $logFile) {
+                        if (in_array($logFile['name'], $logs) === true) {
+                            $logContent = '';
+
+                            if (file_exists($logFile['path']) === true) {
+                                $logContent = file_get_contents($logFile['path']);
+                            }
+
+                            $logArray = preg_split("/(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: (?:(?!\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}: )[\s\S])*)/", $logContent, -1, (PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY));
+
+                            $logContent = '';
+                            $logLineCount = 0;
+                            $logLineSkip = false;
+                            foreach (array_reverse($logArray) as $logLine) {
+                                $lineDate = preg_split("/^([0-9]{4})-([0-9]{2})-([0-9]{2})T([0-9]{2}):([0-9]{2}):([0-9]{2}): /", $logLine, -1, (PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY));
+                                if (count($lineDate) >= 6) {
+                                    $logLineSkip = false;
+
+                                    // Is line before
+                                    if ($before !== null && ($lineDate[0] > $before[0] || $lineDate[1] > $before[1] || $lineDate[2] > $before[2] || $lineDate[3] > $before[3] || $lineDate[4] > $before[4] || $lineDate[5] > $before[5])) {
+                                        $logLineSkip = true;
+                                        continue;
+                                    }
+
+                                    // Is line after
+                                    if ($after !== null && ($after[0] > $lineDate[0] || $after[1] > $lineDate[1] || $after[2] > $lineDate[2] || $after[3] > $lineDate[3] || $after[4] > $lineDate[4] || $after[5] > $lineDate[5])) {
+                                        $logLineSkip = true;
+                                        continue;
+                                    }
+
+                                    $logLineCount += 1;
+                                }
+
+                                if ($logLineCount > $lines) {
+                                    break;
+                                }
+
+                                if ($logLineSkip === false) {
+                                    $logContent .= $logLine;
+                                }
+                            }//end foreach
+
+                            $data[$logFile['name']] = $logContent;
+                        }//end if
+                    }//end foreach
 
                     return $this->respondJson([
-                        'log' => [
-                            'output' => $outputContents,
-                            'errors' => $errorContents,
-                        ]
+                        'log' => $data
                     ]);
-            }
-        }
+            }//end switch
+        }//end if
 
         return $this->respondForbidden();
     }