WIP on Prosody integration.

server/lib/diagnostic/prosody.ts

@@ -1,5 +1,6 @@
-import { getWorkingDir } from '../prosody/config'
+import { getProsodyConfigContent, getProsodyConfigPath, getWorkingDir } from '../prosody/config'
 import { newResult, TestResult } from './utils'
+import * as fs from 'fs'
 
 export async function diagProsody (test: string, options: RegisterServerOptions): Promise<TestResult> {
   const result = newResult(test)
@@ -13,6 +14,26 @@ export async function diagProsody (test: string, options: RegisterServerOptions)
     return result
   }
 
+  // Testing the prosody config file.
+  try {
+    const filePath = await getProsodyConfigPath(options)
+    await fs.promises.access(filePath, fs.constants.R_OK) // throw an error if file does not exist.
+    result.messages.push(`The prosody configuration file (${filePath}) exists`)
+    const actualContent = await fs.promises.readFile(filePath, {
+      encoding: 'utf-8'
+    })
+    const wantedContent = await getProsodyConfigContent(options)
+    if (actualContent === wantedContent) {
+      result.messages.push('Prosody configuration file content is correct.')
+    } else {
+      result.messages.push('Prosody configuration file content is not correct.')
+      return result
+    }
+  } catch (error) {
+    result.messages.push('Error when requiring the prosody config file: ' + (error as string))
+    return result
+  }
+
   result.ok = true
   return result
 }