Fixing validation function

Author: LokeshDogga13

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/ArtifactHelper.kt

@@ -28,7 +28,7 @@ class ArtifactHelper(private val lspArtifactsPath: Path = DEFAULT_ARTIFACT_PATH)
         val localFolders: List<Path> = getSubFolders(lspArtifactsPath)
 
         deListedVersions.forEach { deListedVersion ->
-            val versionToDelete = deListedVersion.serverVersion ?: return
+            val versionToDelete = deListedVersion.serverVersion ?: return@forEach
 
             localFolders
                 .filter { folder -> folder.fileName.toString() == versionToDelete }
@@ -139,7 +139,10 @@ class ArtifactHelper(private val lspArtifactsPath: Path = DEFAULT_ARTIFACT_PATH)
         }
     }
 
-    private fun validateFileHash(filePath: Path, expectedHash: String): Boolean = generateMD5Hash(filePath) == expectedHash
+    private fun validateFileHash(filePath: Path, expectedHash: String): Boolean {
+        val contentHash = generateSHA384Hash(filePath)
+        return "sha384:$contentHash" == expectedHash
+    }
 
     private fun validateDownloadedFiles(downloadPath: Path, contents: List<ManifestManager.TargetContent>) {
         val missingFiles = contents

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/LspException.kt

@@ -6,7 +6,6 @@ package software.aws.toolkits.jetbrains.services.amazonq.lsp.artifacts
 class LspException(message: String, private val errorCode: ErrorCode, cause: Throwable? = null) : Exception(message, cause) {
 
     enum class ErrorCode {
-        MANIFEST_INVALID,
         MANIFEST_FETCH_FAILED,
         DOWNLOAD_FAILED,
         HASH_MISMATCH,

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/artifacts/LspUtils.kt

@@ -11,6 +11,7 @@ import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.Paths
 import java.nio.file.StandardCopyOption
+import java.security.MessageDigest
 import kotlin.io.path.isDirectory
 import kotlin.io.path.listDirectoryEntries
 
@@ -43,6 +44,12 @@ fun generateMD5Hash(filePath: Path): String {
     return StringUtil.toHexString(messageDigest.digest())
 }
 
+fun generateSHA384Hash(filePath: Path): String {
+    val messageDigest = MessageDigest.getInstance("SHA-384")
+    DigestUtil.updateContentHash(messageDigest, filePath)
+    return StringUtil.toHexString(messageDigest.digest())
+}
+
 fun getSubFolders(basePath: Path): List<Path> = try {
     basePath.listDirectoryEntries()
         .filter { it.isDirectory() }