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Util/Base64.cpp

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+/* 
+   base64.cpp and base64.h
+
+   Copyright (C) 2004-2008 René Nyffenegger
+
+   This source code is provided 'as-is', without any express or implied
+   warranty. In no event will the author be held liable for any damages
+   arising from the use of this software.
+
+   Permission is granted to anyone to use this software for any purpose,
+   including commercial applications, and to alter it and redistribute it
+   freely, subject to the following restrictions:
+
+   1. The origin of this source code must not be misrepresented; you must not
+      claim that you wrote the original source code. If you use this source code
+      in a product, an acknowledgment in the product documentation would be
+      appreciated but is not required.
+
+   2. Altered source versions must be plainly marked as such, and must not be
+      misrepresented as being the original source code.
+
+   3. This notice may not be removed or altered from any source distribution.
+
+   René Nyffenegger rene.nyffenegger@adp-gmbh.ch
+
+*/
+
+#include "Base64.h"
+
+
+namespace Util {
+namespace Base64 {
+
+static const std::string Base64Chars = 
+             "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+             "abcdefghijklmnopqrstuvwxyz"
+             "0123456789+/";
+
+static inline bool IsBase64(unsigned char c)
+{
+	return (isalnum(c) || (c == '+') || (c == '/'));
+}
+
+std::string Encode(unsigned char const* bytes_to_encode, unsigned int in_len)
+{
+	std::string ret;
+	int i = 0;
+	int j = 0;
+	unsigned char char_array_3[3];
+	unsigned char char_array_4[4];
+
+	while (in_len--)
+	{
+		char_array_3[i++] = *(bytes_to_encode++);
+		if (i == 3)
+		{
+			char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+			char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+			char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+			char_array_4[3] = char_array_3[2] & 0x3f;
+
+			for(i = 0; (i <4) ; i++)
+				ret += Base64Chars[char_array_4[i]];
+			i = 0;
+		}
+	}
+
+	if (i)
+	{
+		for(j = i; j < 3; j++)
+			char_array_3[j] = '\0';
+
+		char_array_4[0] = (char_array_3[0] & 0xfc) >> 2;
+		char_array_4[1] = ((char_array_3[0] & 0x03) << 4) + ((char_array_3[1] & 0xf0) >> 4);
+		char_array_4[2] = ((char_array_3[1] & 0x0f) << 2) + ((char_array_3[2] & 0xc0) >> 6);
+		char_array_4[3] = char_array_3[2] & 0x3f;
+
+		for (j = 0; (j < i + 1); j++)
+			ret += Base64Chars[char_array_4[j]];
+
+		while((i++ < 3))
+			ret += '=';
+	}
+
+	return ret;
+}
+
+std::string Decode(std::string const& encoded_string)
+{
+	int in_len = encoded_string.size();
+	int i = 0;
+	int j = 0;
+	int in_ = 0;
+	unsigned char char_array_4[4], char_array_3[3];
+	std::string ret;
+
+	while (in_len-- && ( encoded_string[in_] != '=') && IsBase64(encoded_string[in_]))
+	{
+		char_array_4[i++] = encoded_string[in_]; in_++;
+		if (i ==4)
+		{
+			for (i = 0; i <4; i++)
+				char_array_4[i] = Base64Chars.find(char_array_4[i]);
+
+			char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+			char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
+			char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
+
+			for (i = 0; (i < 3); i++)
+				ret += char_array_3[i];
+			i = 0;
+		}
+	}
+
+	if (i)
+	{
+		for (j = i; j <4; j++)
+			char_array_4[j] = 0;
+
+		for (j = 0; j <4; j++)
+			char_array_4[j] = Base64Chars.find(char_array_4[j]);
+
+		char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
+		char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
+		char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
+
+		for (j = 0; (j < i - 1); j++)
+			ret += char_array_3[j];
+	}
+
+	return ret;
+}
+
+} // namespace Base64
+} // namespace Util
+

Util/Base64.h

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+#ifndef UTIL_BASE64_H
+#define UTIL_BASE64_H
+
+#include <string>
+
+
+namespace Util {
+namespace Base64 {
+
+std::string Encode(unsigned char const* , unsigned int len);
+std::string Decode(std::string const& s);
+
+} // namespace Base64
+} // namespace Util
+
+#endif // UTIL_BASE64_H

Util/Makefile

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+../Makefile

Util/Util.cpp

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+#include "Util.h"
+#include <ctime>
+#include <string>
+
+
+namespace Util {
+
+std::string getTimeString()
+{
+	time_t rawtime;
+	struct tm* timeinfo;
+	char buffer[80];
+
+	time (&rawtime);
+	timeinfo = localtime(&rawtime);
+
+	strftime(buffer, 80, "%Y%m%d-%H%M%S", timeinfo);
+	return std::string(buffer);
+}
+
+} // namespace Util
+

Util/Util.h

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+#ifndef UTIL_UTIL_H
+#define UTIL_UTIL_H
+
+#include <HttpClient.h>
+#include <string>
+
+
+namespace Util {
+
+struct Context
+{
+public:
+	std::string path;
+	Http::HttpClient client;
+	std::string url;
+};
+
+std::string getTimeString();
+
+} // namespace Util
+
+#endif // UTIL_UTIL_H