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add base64 class

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This commit is contained in:
Markus Sattler 2015-12-09 13:51:39 +01:00
parent b1e3d2256a
commit 62f38bfef3
2 changed files with 99 additions and 0 deletions
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63
cores/esp8266/base64.cpp Normal file
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/**
* base64.cpp
*
* Created on: 09.12.2015
*
* Copyright (c) 2015 Markus Sattler. All rights reserved.
* This file is part of the ESP8266 core for Arduino.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "Arduino.h"
extern "C" {
#include "libb64/cdecode.h"
#include "libb64/cencode.h"
}
#include "base64.h"
/**
* convert input data to base64
* @param data uint8_t *
* @param length size_t
* @return String
*/
String base64::encode(uint8_t * data, size_t length) {
// base64 needs more size then the source data
size_t size = ((length * 1.6f) + 1);
char * buffer = (char *) malloc(size);
if(buffer) {
base64_encodestate _state;
base64_init_encodestate(&_state);
int len = base64_encode_block((const char *) &data[0], length, &buffer[0], &_state);
len = base64_encode_blockend((buffer + len), &_state);
String base64 = String(buffer);
free(buffer);
return base64;
}
return String("-FAIL-");
}
/**
* convert input data to base64
* @param text String
* @return String
*/
String base64::encode(String text) {
return base64::encode((uint8_t *) text.c_str(), text.length());
}

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cores/esp8266/base64.h Normal file
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/**
* base64.h
*
* Created on: 09.12.2015
*
* Copyright (c) 2015 Markus Sattler. All rights reserved.
* This file is part of the ESP8266 core for Arduino.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef CORE_BASE64_H_
#define CORE_BASE64_H_
class base64 {
public:
static String encode(uint8_t * data, size_t length);
static String encode(String text);
private:
};
#endif /* CORE_BASE64_H_ */