base64.cpp

#include "./base64.h"
#include <string.h>
#include <iostream>
bool Base64Encode(const std::string& input, std::string* output) {
  std::string temp;
  temp.resize(modp_b64_encode_len(input.size()));  // makes room for null byte

  // null terminates result since result is base64 text!
  int input_size = static_cast<int>(input.size());
  int output_size= modp_b64_encode(&(temp[0]), input.data(), input_size);
  if (output_size < 0)
    return false;

  temp.resize(output_size);  // strips off null byte
  output->swap(temp);
  return true;
}

bool Base64Decode(const std::string& input, std::string* output) {
  std::string temp;
  temp.resize(modp_b64_decode_len(input.size()));

  // does not null terminate result since result is binary data!
  int input_size = static_cast<int>(input.size());
  int output_size = modp_b64_decode(&(temp[0]), input.data(), input_size);
  std::cout << "input_size:" << input_size << std::endl;
  std::cout << "output_size:" << output_size << std::endl;
  if (output_size < 0)
    return false;

  temp.resize(output_size);
  output->swap(temp);
  return true;
}