From 34d611d313b856d0a07a8c41ced684827ceb7e54 Mon Sep 17 00:00:00 2001
From: Damjan Cvetko <damjan.cvetko@monotek.net>
Date: Wed, 14 Apr 2021 10:03:25 +0200
Subject: [PATCH] fix: Properly process windows UNC paths.

---
 CHANGELOG.md      | 11 +++++++++++
 src/paths.ts      | 11 +++++++----
 src/test/paths.ts | 24 ++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 4 deletions(-)
 create mode 100644 CHANGELOG.md

diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000..164cd874
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/) and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## [1.14.13]
+
+### Fixed
+
+- Handle windows UNC paths without mapping.
diff --git a/src/paths.ts b/src/paths.ts
index 6fa00011..7f5ee6fc 100644
--- a/src/paths.ts
+++ b/src/paths.ts
@@ -31,12 +31,12 @@ export function convertDebuggerPathToClient(
     let localSourceRoot: string | undefined
     let serverSourceRoot: string | undefined
     if (typeof fileUri === 'string') {
-        fileUri = url.parse(fileUri)
+        fileUri = url.parse(fileUri, false, true)
     }
     // convert the file URI to a path
-    let serverPath = decode(fileUri.pathname!)
+    let serverPath = decode((fileUri.host ? '///' + fileUri.host : '') + fileUri.pathname!)
     // strip the trailing slash from Windows paths (indicated by a drive letter with a colon)
-    const serverIsWindows = /^\/[a-zA-Z]:\//.test(serverPath)
+    const serverIsWindows = /^\/[a-zA-Z]:\//.test(serverPath) || /^\/\/\//.test(serverPath)
     if (serverIsWindows) {
         serverPath = serverPath.substr(1)
     }
@@ -92,6 +92,9 @@ export function convertClientPathToDebugger(localPath: string, pathMapping?: { [
         localPath.replace(/^[A-Z]:\\/, match => match.toLowerCase()),
         { resolve: false }
     )
+    if (/^file:\/\/\/\//.test(localFileUri)) {
+        localFileUri = localFileUri.replace(/^file:\/\/\/\//, 'file://')
+    }
     let serverFileUri: string
     if (pathMapping) {
         for (const mappedServerPath of Object.keys(pathMapping)) {
@@ -142,7 +145,7 @@ export function convertClientPathToDebugger(localPath: string, pathMapping?: { [
 }
 
 function isWindowsUri(path: string): boolean {
-    return /^file:\/\/\/[a-zA-Z]:\//.test(path)
+    return /^file:\/\/\/[a-zA-Z]:\//.test(path) || /^file:\/\/[^\/]/.test(path)
 }
 
 export function isSameUri(clientUri: string, debuggerUri: string): boolean {
diff --git a/src/test/paths.ts b/src/test/paths.ts
index d1696bec..074327e3 100644
--- a/src/test/paths.ts
+++ b/src/test/paths.ts
@@ -32,6 +32,12 @@ describe('paths', () => {
                     'file:///c:/Users/felix/test.php'
                 )
             })
+            it('should convert a windows UNC path to a URI', () => {
+                assert.strictEqual(
+                    convertClientPathToDebugger('\\\\server\\Users\\felix\\test.php'),
+                    'file://server/Users/felix/test.php'
+                )
+            })
             it('should convert a unix path to a URI', () => {
                 assert.equal(convertClientPathToDebugger('/home/felix/test.php'), 'file:///home/felix/test.php')
             })
@@ -182,6 +188,24 @@ describe('paths', () => {
                     'd:\\arx iT\\2-Réalisation\\mmi\\V1.0\\Web\\core\\header.php'
                 )
             })
+            it('should convert windows UNC URI to windows UNC path', () => {
+                assert.strictEqual(
+                    convertDebuggerPathToClient('file://WSL/Ubuntu/home/zobo/php/test1.php'),
+                    '\\\\wsl\\Ubuntu\\home\\zobo\\php\\test1.php'
+                )
+            })
+            it('should convert windows UNC URI to windows UNC path with $ in host', () => {
+                assert.strictEqual(
+                    convertDebuggerPathToClient('file://WSL%24/Ubuntu/home/zobo/php/test1.php'),
+                    '\\\\wsl$\\Ubuntu\\home\\zobo\\php\\test1.php'
+                )
+            })
+            it('should convert windows UNC URI to windows UNC path with $ in path', () => {
+                assert.strictEqual(
+                    convertDebuggerPathToClient('file://SERVER/C$/home/zobo/php/test1.php'),
+                    '\\\\server\\C$\\home\\zobo\\php\\test1.php'
+                )
+            })
         })
         describe('with source mapping', () => {
             // unix to unix