From 6b91026eddfa739b6637b18285041063e0fd0348 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Mon, 13 Apr 2020 19:36:15 +0200
Subject: Fix webbox (WIP)

---
 plugins/static-files/static-files.cpp | 55 +++++++++++++++++++++++++++++++----
 1 file changed, 50 insertions(+), 5 deletions(-)

(limited to 'plugins')

diff --git a/plugins/static-files/static-files.cpp b/plugins/static-files/static-files.cpp
index b137cb8..011e37f 100644
--- a/plugins/static-files/static-files.cpp
+++ b/plugins/static-files/static-files.cpp
@@ -1,5 +1,7 @@
 #include "static-files.h"
 
+#include <boost/algorithm/string/predicate.hpp>
+
 #include <filesystem>
 #include <fstream>
 #include <iostream>
@@ -10,6 +12,42 @@ namespace fs = std::filesystem;
 
 namespace {
 
+// Return a reasonable mime type based on the extension of a file.
+std::string
+mime_type(fs::path path)
+{
+ using boost::algorithm::iequals;
+ auto const ext = [&path]
+ {
+  size_t pos = path.string().rfind(".");
+  if (pos == std::string::npos)
+   return std::string{};
+  return path.string().substr(pos);
+ }();
+ if(iequals(ext, ".htm"))  return "text/html"; // TODO: unordered_map
+ if(iequals(ext, ".html")) return "text/html";
+ if(iequals(ext, ".php"))  return "text/html";
+ if(iequals(ext, ".css"))  return "text/css";
+ if(iequals(ext, ".txt"))  return "text/plain";
+ if(iequals(ext, ".js"))   return "application/javascript";
+ if(iequals(ext, ".json")) return "application/json";
+ if(iequals(ext, ".xml"))  return "application/xml";
+ if(iequals(ext, ".swf"))  return "application/x-shockwave-flash";
+ if(iequals(ext, ".flv"))  return "video/x-flv";
+ if(iequals(ext, ".png"))  return "image/png";
+ if(iequals(ext, ".jpe"))  return "image/jpeg";
+ if(iequals(ext, ".jpeg")) return "image/jpeg";
+ if(iequals(ext, ".jpg"))  return "image/jpeg";
+ if(iequals(ext, ".gif"))  return "image/gif";
+ if(iequals(ext, ".bmp"))  return "image/bmp";
+ if(iequals(ext, ".ico"))  return "image/vnd.microsoft.icon";
+ if(iequals(ext, ".tiff")) return "image/tiff";
+ if(iequals(ext, ".tif"))  return "image/tiff";
+ if(iequals(ext, ".svg"))  return "image/svg+xml";
+ if(iequals(ext, ".svgz")) return "image/svg+xml";
+ return "application/text";
+}
+
 std::string getFile(const fs::path& filename)
 {
  std::ifstream file(filename.string(), std::ios::in | std::ios::binary | std::ios::ate);
@@ -28,10 +66,10 @@ std::string getFile(const fs::path& filename)
  }
 }
 
-std::string extend_index_html(std::string path)
+fs::path extend_index_html(fs::path path)
 {
- if (path.size() == 0 || (path.size() && path.back() == '/'))
-  path.append("index.html");
+ if (path.string().size() == 0 || path.string().back() == '/')
+  return path / "index.html";
  return path;
 }
 
@@ -74,14 +112,21 @@ std::string static_files_plugin::generate_page(
 
   // Request path must not contain "..".
   std::string rel_target{GetRequestParam("rel_target")};
+  std::string target{GetRequestParam("target")};
   if (rel_target.find("..") != std::string::npos) {
-   std::string target{GetRequestParam("target")};
    return HttpStatus("400", "Illegal request: "s + target, SetResponseHeader);
   }
 
   // Build the path to the requested file
   std::string doc_root{GetRequestParam("doc_root")};
-  std::string path {fs::path{doc_root} / extend_index_html(rel_target)};
+  fs::path path {fs::path{doc_root} / rel_target};
+  if (target.size() && target.back() != '/' && fs::is_directory(path)) {
+   std::string location{GetRequestParam("location") + "/"s};
+   SetResponseHeader("location", location);
+   return HttpStatus("301", "Correcting directory path", SetResponseHeader);
+  }
+  path = {extend_index_html(path)};
+  SetResponseHeader("content_type", mime_type(path));
 
   try {
    return getFile(path);
-- 
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