From 21f8ae5db73be083340bb65b4e1ab7ec3abb41b7 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Sun, 2 Jan 2022 22:18:57 +0000
Subject: Resolve CGI directories from more to less specific

Closes issue #2.
---
 .../src/net/usebox/gemini/server/ServiceConf.scala |  6 +++-
 server/test/resources/dir/sub/cgiOk                |  4 +++
 server/test/src/ServerSpec.scala                   | 39 ++++++++++++++++++++++
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100755 server/test/resources/dir/sub/cgiOk

diff --git a/server/src/net/usebox/gemini/server/ServiceConf.scala b/server/src/net/usebox/gemini/server/ServiceConf.scala
index 43786af..ec082cf 100644
--- a/server/src/net/usebox/gemini/server/ServiceConf.scala
+++ b/server/src/net/usebox/gemini/server/ServiceConf.scala
@@ -44,10 +44,14 @@ object VirtualHost {
 
     def getCgi(path: Path): Option[Path] =
       vhost.directories
+        .filter(_.allowCgi == Some(true))
+        .sortWith {
+          case (d1, d2) => d1.path.length() > d2.path.length()
+        }
         .find(d =>
           path.startsWith(
             d.path
-          ) && path.toString != d.path && d.allowCgi == Some(true)
+          ) && path.toString != d.path
         )
         .collect {
           case d =>
diff --git a/server/test/resources/dir/sub/cgiOk b/server/test/resources/dir/sub/cgiOk
new file mode 100755
index 0000000..05a3e53
--- /dev/null
+++ b/server/test/resources/dir/sub/cgiOk
@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo -e "20 text/gemini\r\n"
+env
diff --git a/server/test/src/ServerSpec.scala b/server/test/src/ServerSpec.scala
index dd6bf20..7d8c1fa 100644
--- a/server/test/src/ServerSpec.scala
+++ b/server/test/src/ServerSpec.scala
@@ -692,6 +692,21 @@ class ServerSpec extends AnyFlatSpec with Matchers {
     cgi.body should include("PATH_INFO=/path/info")
   }
 
+  it should "resolve CGI directories from more to less specific" in {
+    // issue: https://gitlab.com/reidrac/spacebeans/-/issues/2
+    val cgi = Server(TestData.cgiPrefConf)
+      .handleReq(
+        "gemini://localhost/dir/sub/cgiOk/path/info",
+        "127.0.0.1"
+      )
+      .asInstanceOf[Cgi]
+
+    cgi.status should be(20)
+    cgi.meta should be("text/gemini")
+    cgi.body should include("GATEWAY_INTERFACE=CGI/1.1")
+    cgi.body should include("PATH_INFO=/path/info")
+  }
+
   object TestData {
 
     val host = "localhost"
@@ -733,6 +748,30 @@ class ServerSpec extends AnyFlatSpec with Matchers {
       )
     )
 
+    val cgiPrefConf = ServiceConf.initConf(
+      conf.copy(virtualHosts =
+        List(
+          conf
+            .virtualHosts(0)
+            .copy(
+              directoryListing = true,
+              directories = List(
+                Directory(
+                  "dir/",
+                  directoryListing = Some(false),
+                  allowCgi = Some(true)
+                ),
+                Directory(
+                  "dir/sub/",
+                  directoryListing = Some(false),
+                  allowCgi = Some(true)
+                )
+              )
+            )
+        )
+      )
+    )
+
     val cgiEnvConf = cgiConf.copy(virtualHosts =
       List(
         cgiConf
-- 
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