fix(logs): handle unexpected log messages (#2303)

* fix(logs): handle unexpected log messages

* fix(logs): update regexp for json to appease the lgtm gods

server/interfaces/api/settingsInterfaces.ts

@@ -3,7 +3,7 @@ import type { PaginatedResponse } from './common';
 export type LogMessage = {
   timestamp: string;
   level: string;
-  label: string;
+  label?: string;
   message: string;
   data?: Record<string, unknown>;
 };

server/routes/settings/index.ts

@@ -258,25 +258,29 @@ settingsRoutes.get(
     try {
       fs.readFileSync(logFile)
         .toString()
-        .split('\n')
+        .split(/(?=\n\d{4}-\d{2})/g)
         .forEach((line) => {
           if (!line.length) return;
 
-          const timestamp = line.match(new RegExp(/^.{24}/)) || [];
-          const level = line.match(new RegExp(/\s\[\w+\]/)) || [];
-          const label = line.match(new RegExp(/\]\[.+?\]/)) || [];
-          const message = line.match(new RegExp(/:\s([^{}]+)({.*})?/)) || [];
+          const jsonRegexp = new RegExp(
+            /[{[]{1}([,:{}[\]0-9.\-+Eaeflnr-u \n\r\t]|"[^"\n]*?")+[}\]]{1}/
+          );
+
+          const timestamp = line.match(new RegExp(/.{24}/)) || [];
+          const level = line.match(new RegExp(/(?<=.{24}\s\[).+?(?=\])/)) || [];
+          const label =
+            line.match(new RegExp(/(?<=.{24}\s\[.+\]\[).+(?=\])/)) || [];
+          const message =
+            line.match(new RegExp(/(?<=\[.+\]:\s)[\s\S][^\r]+/)) || [];
+          const data = message[0].match(jsonRegexp) || [];
 
-          if (level.length && filter.includes(level[0].slice(2, -1))) {
+          if (level.length && filter.includes(level[0])) {
             logs.push({
               timestamp: timestamp[0],
-              level: level.length ? level[0].slice(2, -1) : '',
-              label: label.length ? label[0].slice(2, -1) : '',
-              message: message.length && message[1] ? message[1] : '',
-              data:
-                message.length && message[2]
-                  ? JSON.parse(message[2])
-                  : undefined,
+              level: level[0],
+              label: label[0],
+              message: message[0].replace(jsonRegexp, ''),
+              data: data.length ? JSON.parse(data[0]) : undefined,
             });
           }
         });

src/components/Settings/SettingsLogs/index.tsx

@@ -321,7 +321,9 @@ const SettingsLogs: React.FC = () => {
                       {row.level.toUpperCase()}
                     </Badge>
                   </Table.TD>
-                  <Table.TD className="text-gray-300">{row.label}</Table.TD>
+                  <Table.TD className="text-gray-300">
+                    {row.label ?? ''}
+                  </Table.TD>
                   <Table.TD className="text-gray-300">{row.message}</Table.TD>
                   <Table.TD className="flex flex-wrap items-center justify-end -m-1">
                     {row.data && (