# PrivateBin API C++ DLL

A cross-platform C++ library for interacting with PrivateBin servers.

## Overview

This library provides a simple C++ interface for interacting with PrivateBin services. PrivateBin is a minimalist, open-source online pastebin where the server has zero knowledge of stored data. All data is encrypted and decrypted in the browser using 256-bit AES encryption.

## Features

- Create new pastes with optional expiration, formatting, and security settings
- Retrieve existing pastes by ID
- Delete pastes using the deletion token
- Cross-platform compatibility (Windows and Linux)
- Support for PrivateBin API versions 1.3 and later

## Building

### Prerequisites

- CMake 3.10 or later
- C++17 compatible compiler
- For Windows: Windows SDK
- For Linux: libcurl development headers

### Dependencies

The library depends on the following components:

1. **HTTP Client**:
   - Windows: WinHTTP
   - Linux: libcurl

2. **JSON Processing**:
   - nlohmann/json

### Building on Windows

```cmd
mkdir build
cd build
cmake ..
cmake --build .
```

### Building on Linux

```bash
mkdir build
cd build
cmake ..
make
```

## Usage

### API Functions

```cpp
// Create a new paste
int create_paste(const char* server_url, const char* content, 
                 const char* password, const char* expiration,
                 const char* format, int burn_after_reading, 
                 int open_discussion, char** paste_url, 
                 char** delete_token);

// Retrieve a paste
int get_paste(const char* server_url, const char* paste_id, 
              const char* key, char** content);

// Delete a paste
int delete_paste(const char* server_url, const char* paste_id, 
                 const char* delete_token);

// Free memory allocated by the API functions
void free_string(char* str);
```

### Example

```cpp
#include "privatebinapi.h"
#include <iostream>

int main() {
    char* paste_url = nullptr;
    char* delete_token = nullptr;
    
    int result = create_paste(
        "https://privatebin.net",
        "Hello, PrivateBin!",
        nullptr,           // No password
        "1hour",           // Expire in 1 hour
        "plaintext",       // Plain text format
        0,                 // Don't burn after reading
        0,                 // No discussion
        &paste_url,
        &delete_token
    );
    
    if (result == 0) {
        std::cout << "Paste created: " << paste_url << std::endl;
        std::cout << "Delete token: " << delete_token << std::endl;
        
        // Free allocated memory
        free_string(paste_url);
        free_string(delete_token);
    } else {
        std::cout << "Failed to create paste: " << result << std::endl;
    }
    
    return 0;
}
```

## Error Codes

- 0: Success
- 1: Network error
- 2: Encryption/decryption error
- 3: Invalid input
- 4: Server error
- 5: JSON parsing error

## License

This project is licensed under the MIT License - see the LICENSE file for details.