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Diffstat (limited to 'IOFileClass/FileManIOFile.cpp')
-rw-r--r--IOFileClass/FileManIOFile.cpp68
1 files changed, 44 insertions, 24 deletions
diff --git a/IOFileClass/FileManIOFile.cpp b/IOFileClass/FileManIOFile.cpp
index bee2ebe..ea49201 100644
--- a/IOFileClass/FileManIOFile.cpp
+++ b/IOFileClass/FileManIOFile.cpp
@@ -10,36 +10,38 @@
#include "FileManIOFile.hpp"
-#include <iomanip> // This might be necessary
+//Constructor with filename
FileManIOFile::FileManIOFile(std::string filename){
this->filename=filename;
this->readable=false;
this->data="";
this->key;
}
+
+//Destructor
FileManIOFile::~FileManIOFile(){
}
-bool FileManIOFile::isReadable(){
- return this->readable;
-}
-
+//Read the filename with a key
void FileManIOFile::read(std::string key){
- AESCrypt aes;
- HASHCrypt hash;
-
+ //create file object
std::ifstream file;
+
+ //Clear data
this->data.clear();
+ //Open file
file.open (this->filename, std::ios::in | std::ios::binary);
+ //Get MD5 of decrypted data
byte fileMD5[16];
file.read((char*) fileMD5, sizeof(fileMD5));
+ //Read all data
char car;
file.read(&car, sizeof(car));
@@ -49,20 +51,25 @@ void FileManIOFile::read(std::string key){
}
- this->data=aes.decrypt(key, this->data);
+ //Decrypt data
+ this->data=this->aes.decrypt(key, this->data);
+ //Get current MD5 of decrypted data
byte currentMD5[16];
- hash.getMD5_128(this->data, currentMD5, sizeof(currentMD5));
+ this->hash.getMD5_128(this->data, currentMD5, sizeof(currentMD5));
- if(hash.compareDigest(fileMD5, currentMD5, sizeof(currentMD5))){
+ //Compare the 2 MD5 to find if file is fully decrypted
+ if(this->hash.compareDigest(fileMD5, currentMD5, sizeof(currentMD5))){
+ //Set readable
this->readable=true;
- hash.getSHA_256(key, this->key, 32);
+ //Save the key
+ this->hash.getSHA_256(key, this->key, 32);
}
else{
this->readable=false;
}
-
+ //Close file
file.close();
@@ -70,58 +77,71 @@ void FileManIOFile::read(std::string key){
-
+//Write file with key
void FileManIOFile::write(std::string key,std::string data){
- AESCrypt aes;
std::string dataEncrypted;
- dataEncrypted=aes.encrypt(key, data);
+ dataEncrypted=this->aes.encrypt(key, data);
this->writeRoutine(data, dataEncrypted);
}
+//Write file without key
void FileManIOFile::write(std::string data){
if(not(this->readable)){
std::cout << "Can't write data without key (read it before) !" << std::endl;
std::exit(EXIT_FAILURE);
}
- AESCrypt aes;
+
std::string dataEncrypted;
- dataEncrypted=aes.encrypt(this->key, data);
+ dataEncrypted=this->aes.encrypt(this->key, data);
this->writeRoutine(data, dataEncrypted);
}
+
+//Get readable attribute
+bool FileManIOFile::isReadable(){
+ return this->readable;
+}
+
+
+
+//Write file
void FileManIOFile::writeRoutine(std::string data, std::string dataEncrypted){
- HASHCrypt hash;
+ //Save MD5 of decrypted data
byte digest[16];
- hash.getMD5_128(data, digest, sizeof(digest));
-
+ this->hash.getMD5_128(data, digest, sizeof(digest));
+ //Create file instance
std::ofstream file;
+
+ //Open it
file.open(this->filename, std::ios::out | std::ios::binary);
+ //Write MD5 on 16 first bytes
file.write((char *) digest,sizeof(digest));
-
+ //Write data
file.write(dataEncrypted.c_str(), dataEncrypted.size());
-
-
+ //Close file
file.close();
+ //Save data to attribute
this->data=data;
}
+//Get data
std::string FileManIOFile::getData(){
return this->data;
}