From 783197aaa13abbfb7757ecec912dfe9cb6e52c75 Mon Sep 17 00:00:00 2001
From: manzerbredes <loic.guegan_secondary@yahoo.fr>
Date: Wed, 11 Mar 2015 09:51:03 +0400
Subject: Implement FileManIOFileClass, general bug correction.

---
 IOFileClass/FileManIOFile.cpp | 98 +++++++++++++++++++++++++++++++++++++++++++
 IOFileClass/FileManIOFile.hpp | 90 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 188 insertions(+)

(limited to 'IOFileClass')

diff --git a/IOFileClass/FileManIOFile.cpp b/IOFileClass/FileManIOFile.cpp
index e69de29..d0ae1f2 100644
--- a/IOFileClass/FileManIOFile.cpp
+++ b/IOFileClass/FileManIOFile.cpp
@@ -0,0 +1,98 @@
+/**
+ * @file FileManIOFile.cpp
+ * @brief FileManIOFile class definitions
+ * @author manzerbredes
+ * @date 9 Mars 2015
+ *
+ * Contain all definitions of FileManIOFile class.
+ *
+ */
+
+
+#include "FileManIOFile.hpp"
+#include <iomanip> // This might be necessary
+
+FileManIOFile::FileManIOFile(std::string filename){
+    this->filename=filename;
+    this->readable=false;
+    this->data="";
+}
+FileManIOFile::~FileManIOFile(){
+}
+
+
+bool FileManIOFile::isReadable(){
+    return this->readable;
+}
+
+
+void FileManIOFile::read(std::string key){
+
+    AESCrypt aes;
+    HASHCrypt hash;
+
+    std::ifstream file;
+    this->data.clear();
+
+    file.open (this->filename, std::ios::in | std::ios::binary);
+
+    byte fileMD5[16];
+    file.read((char*) fileMD5, sizeof(fileMD5));
+
+    char car;
+    file.read(&car, sizeof(car));
+
+    while(file){
+        this->data+=car,
+        file.read(&car, sizeof(car));
+
+    }
+
+    this->data=aes.decrypt(key, this->data);
+
+    byte currentMD5[16];
+    hash.getMD5_128(this->data, currentMD5, sizeof(currentMD5));
+
+    if(hash.compareDigest(fileMD5, currentMD5, sizeof(currentMD5))){
+        this->readable=true;
+    }
+    else{
+        this->readable=false;
+    }
+
+
+    file.close();
+
+
+}
+
+void FileManIOFile::write(std::string key, std::string data){
+
+    AESCrypt aes;
+    HASHCrypt hash;
+
+    std::string dataEncrypted=aes.encrypt(key, data);
+    byte digest[16];
+    hash.getMD5_128(data, digest, sizeof(digest));
+
+
+    std::ofstream file;
+    file.open(this->filename, std::ios::out | std::ios::binary);
+
+    file.write((char *) digest,sizeof(digest));
+
+
+    file.write(dataEncrypted.c_str(), dataEncrypted.size());
+
+
+
+    file.close();
+
+    this->data=data;
+
+}
+
+
+std::string FileManIOFile::getData(){
+    return this->data;
+}
diff --git a/IOFileClass/FileManIOFile.hpp b/IOFileClass/FileManIOFile.hpp
index e69de29..8a102c7 100644
--- a/IOFileClass/FileManIOFile.hpp
+++ b/IOFileClass/FileManIOFile.hpp
@@ -0,0 +1,90 @@
+/**
+ * @file FileManIOFile.hpp
+ * @brief FileManIOFile class definitions
+ * @author manzerbredes
+ * @date 9 Mars 2015
+ *
+ * Contain all definitions of FileManIOFile class.
+ *
+ */
+
+//--- std -----
+#include <iostream>
+#include <string>
+#include <fstream>
+
+//----- class -----
+#include "HASHCrypt.hpp"
+#include "AESCrypt.hpp"
+
+
+/**
+ * @class FileManIOFile FileManIOFile.hpp "/CryptClass/FileManIOFile.hpp"
+ * @brief Class for quick open and close encrypted file.
+ * @author manzerbredes
+ *
+ * -----File organisation-----
+ *
+ * 16 first bytes : md5 of decrypted file
+ * rest of the file : data encrypted (ASE for now)
+ *
+ */
+class FileManIOFile {
+
+    public:
+        FileManIOFile(std::string filename);
+        ~FileManIOFile();
+
+        /**
+        * @brief Read encrypted file.
+        *
+        * @param key : key to encrypt data
+        *
+        * Read data from "filename" attribute.
+        * If file fully decrypted, readable var switch to true.
+        *
+        */
+        void read(std::string key);
+
+        /**
+        * @brief Read encrypted file.
+        *
+        * @param key : key to encrypt data
+        *
+        * Save data to "filename" attribute.
+        *
+        */
+        void write(std::string key, std::string data);
+
+        /**
+        * @brief True if file fully decrypted.
+        *
+        * Return "readable" attribute.
+        *
+        */
+        bool isReadable();
+
+
+        /**
+        * @brief Get data attribute.
+        *
+        * Return "data" attribute.
+        *
+        * **Warning** if data not fully decrypted (readable!=true),
+        * data will be unreadable.
+        */
+        std::string getData();
+
+    private:
+
+        std::string filename; ///< Filename attribute
+
+        std::string data; ///< Data attribute
+
+        bool readable; ///< Readable attribute
+
+
+
+
+
+};
-- 
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