From 3f778eecc705990598f1033e6245522f42e2fcb5 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sun, 12 Apr 2020 14:01:40 +0200
Subject: Refactor path concept

---
 plugins/webbox/Makefile   |   1 +
 plugins/webbox/file.cpp   |  46 ++++++++++++++++
 plugins/webbox/file.h     |  15 ++++++
 plugins/webbox/webbox.cpp | 134 +++++++++++++++++-----------------------------
 4 files changed, 112 insertions(+), 84 deletions(-)
 create mode 100644 plugins/webbox/file.cpp
 create mode 100644 plugins/webbox/file.h

(limited to 'plugins')

diff --git a/plugins/webbox/Makefile b/plugins/webbox/Makefile
index ed66b50..e16171d 100644
--- a/plugins/webbox/Makefile
+++ b/plugins/webbox/Makefile
@@ -57,6 +57,7 @@ LIBS+= \
 endif
 
 PROGSRC=\
+    file.cpp \
     webbox.cpp
 
 TESTSRC=\
diff --git a/plugins/webbox/file.cpp b/plugins/webbox/file.cpp
new file mode 100644
index 0000000..47ab8be
--- /dev/null
+++ b/plugins/webbox/file.cpp
@@ -0,0 +1,46 @@
+#include "file.h"
+
+#include <fstream>
+
+namespace fs = std::filesystem;
+
+using namespace std::string_literals;
+
+std::string File::getFile(const fs::path& filename)
+{
+ std::ifstream file(filename.string(), std::ios::in | std::ios::binary | std::ios::ate);
+
+ if (file.is_open()) {
+  std::ifstream::pos_type fileSize = file.tellg();
+  file.seekg(0, std::ios::beg);
+
+  std::string bytes(fileSize, ' ');
+  file.read(reinterpret_cast<char*>(bytes.data()), fileSize);
+
+  return bytes;
+
+ } else {
+  throw std::runtime_error("Opening "s + filename.string() + " for reading");
+ }
+}
+
+void File::setFile(const fs::path& filename, const std::string& s)
+{
+ File::setFile(filename, s.data(), s.size());
+}
+
+void File::setFile(const fs::path& filename, const char* data, size_t size)
+{
+ std::ofstream file(filename.string(), std::ios::out | std::ios::binary);
+ if (file.is_open()) {
+  file.write(data, size);
+ } else {
+  throw std::runtime_error("Opening "s + filename.string() + " for writing");
+ }
+}
+
+void File::setFile(const fs::path& filename, const std::vector<uint8_t>& data)
+{
+ File::setFile(filename, reinterpret_cast<const char*>(data.data()), data.size());
+}
+
diff --git a/plugins/webbox/file.h b/plugins/webbox/file.h
new file mode 100644
index 0000000..e7e4cf6
--- /dev/null
+++ b/plugins/webbox/file.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#include <cstdint>
+#include <filesystem>
+#include <string>
+#include <vector>
+
+namespace File {
+
+std::string getFile(const std::filesystem::path& filename);
+void setFile(const std::filesystem::path& filename, const std::string& s);
+void setFile(const std::filesystem::path& filename, const char* data, size_t size);
+void setFile(const std::filesystem::path& filename, const std::vector<uint8_t>& data);
+
+}
diff --git a/plugins/webbox/webbox.cpp b/plugins/webbox/webbox.cpp
index 6166895..5d3f64c 100644
--- a/plugins/webbox/webbox.cpp
+++ b/plugins/webbox/webbox.cpp
@@ -1,101 +1,42 @@
 #include "webbox.h"
 
+#include <boost/algorithm/string/replace.hpp>
+
 #include <iostream>
+#include <string>
+#include <unordered_map>
 
 using namespace std::string_literals;
 
-std::string webbox_plugin::name()
-{
- return "webbox";
-}
+namespace {
 
-webbox_plugin::webbox_plugin()
-{
- //std::cout << "Plugin constructor" << std::endl;
-}
 
-webbox_plugin::~webbox_plugin()
-{
- //std::cout << "Plugin destructor" << std::endl;
-}
+ unordered_map<std::string> status_map {
+  { "400", "Bad Request"},
+  { "403", "Forbidden" },
+  { "404", "Not Found" },
+  { "505", "Internal Server Error" },
+ };
 
-std::string webbox_plugin::generate_page(
-  std::function<std::string(const std::string& key)>& GetServerParam,
-  std::function<std::string(const std::string& key)>& GetRequestParam, // request including body (POST...)
-  std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader // to be added to result string
-)
+// Used to return errors by generating response page and HTTP status code
+std::string HttpStatus(std::string status, std::string message, std::function<plugin_interface_setter_type>& SetResponseHeader)
 {
- return "Webbox";
-}
+ SetResponseHeader("status", status);
+ SetResponseHeader("content_type", "text/html");
 
-#if 0
-#include <fcgiapp.h>
-
-#include <QString>
-#include <QStringList>
-#include <QHash>
-#include <QDir>
-#include <QFileInfo>
-#include <QXmlStreamReader>
-#include <QXmlStreamWriter>
-#include <QDateTime>
-#include <QProcess>
-#include <QTemporaryFile>
-#include <QUrlQuery>
-#include <QPair>
-
-#define BUFSIZE 1000000
-
-// XML special characters:
-// < : &lt;
-// > : &gt;
-// & : &amp;
-// " : &quot;
-// ' : &apos;
-//
-// here:replace &
-QString escapeXML(QString s) {
-	s.replace("&", "&amp;");
-	return s;
-}
+ auto it{status_map.find(status)};
+ std::string description{"(Unknown)"};
+ if (it != status_map.end())
+  description = it->second;
 
-// revert escapeXML();
-QString unescapeXML(QString s) {
-	s.replace("&amp;", "&");
-	return s;
+ return "<html><body><h1>"s + status + " "s + description + "</h1><p>"s + message + "</p></body></html>";
 }
 
-// supported httpStatusCode:
-// 400 Bad Request
-// 403 Forbidden
-// 404 Not Found
-// 500 Internal Server Error
-// message: additional message
-QString httpError(int httpStatusCode, QString message) {
-	QString description;
-
-	switch(httpStatusCode) {
-		case 400:
-			description = "Bad Request";
-			break;
-		case 403:
-			description = "Forbidden";
-			break;
-		case 404:
-			description = "Not Found";
-			break;
-		case 500:
-			description = "Internal Server Error";
-			break;
-		default:
-			message = QString("Bad error code: %1, message: %2").arg(httpStatusCode).arg(message);
-			httpStatusCode = 500;
-			description = "Internal Server Error";
-	}
-	return QString("Status: %1 %2\r\nContent-Type: text/html\r\n\r\n<html><body><h1>%1 %2</h1><p>%3</p></body></html>\r\n").arg(httpStatusCode).arg(description).arg(message);
-}
 
 struct CommandParameters {
+  std::function<std::string(const std::string& key)>& GetServerParam;
+  std::function<std::string(const std::string& key)>& GetRequestParam; // request including body (POST...)
+  std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader; // to be added to result string
 	FCGX_Request request; // the request
 
 	QUrlQuery urlQuery; // derived from request
@@ -721,7 +662,7 @@ class DownloadCommand: public GetCommand {
 				FCGX_PutS("Content-Type: application/octet-stream\r\n\r\n", p.request.out);
 				
 				while (!file.atEnd()) {
-					QByteArray ba = file.read(BUFSIZE);
+					QByteArray ba = File::getFile();
 					FCGX_PutStr(ba.data(), ba.size(), p.request.out);
 				}
 			} else {
@@ -834,4 +775,29 @@ int main(int argc, char* argv[]) {
 
 	return 0;
 }
-#endif
+
+} // anonymous namespace
+
+std::string webbox_plugin::name()
+{
+ return "webbox";
+}
+
+webbox_plugin::webbox_plugin()
+{
+ //std::cout << "Plugin constructor" << std::endl;
+}
+
+webbox_plugin::~webbox_plugin()
+{
+ //std::cout << "Plugin destructor" << std::endl;
+}
+
+std::string webbox_plugin::generate_page(
+  std::function<std::string(const std::string& key)>& GetServerParam,
+  std::function<std::string(const std::string& key)>& GetRequestParam, // request including body (POST...)
+  std::function<void(const std::string& key, const std::string& value)>& SetResponseHeader // to be added to result string
+)
+{
+ return "Webbox";
+}
-- 
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