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Base64Encoder/Decoder: added support for 'base64url' encoding

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Conflicts:
	Foundation/src/Base64Decoder.cpp
	Foundation/src/Base64Encoder.cpp
This commit is contained in:
Guenter Obiltschnig
2017-10-31 12:25:33 +01:00
parent 6273f52385
commit a9f0279382
6 changed files with 334 additions and 61 deletions
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30
Foundation/include/Poco/Base64Encoder.h
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@@ -26,6 +26,19 @@
namespace Poco {
enum Base64EncodingOptions
{
BASE64_URL_ENCODING = 0x01,
/// Use the URL and filename-safe alphabet,
/// replacing '+' with '-' and '/' with '_'.
///
/// Will also set line length to unlimited.
BASE64_NO_PADDING = 0x02
/// Do not append padding characters ('=') at end.
};
class Foundation_API Base64EncoderBuf: public UnbufferedStreamBuf
/// This streambuf base64-encodes all data written
/// to it and forwards it to a connected
@@ -37,9 +50,9 @@ class Foundation_API Base64EncoderBuf: public UnbufferedStreamBuf
/// not updated to match the buffer's state.
{
public:
Base64EncoderBuf(std::ostream& ostr);
Base64EncoderBuf(std::ostream& ostr, int options = 0);
~Base64EncoderBuf();
int close();
/// Closes the stream buffer.
@@ -53,18 +66,21 @@ public:
int getLineLength() const;
/// Returns the currently set line length.
private:
int writeToDevice(char c);
int _options;
unsigned char _group[3];
int _groupLength;
int _pos;
int _lineLength;
std::streambuf& _buf;
const unsigned char* _pOutEncoding;
static const unsigned char OUT_ENCODING[64];
static const unsigned char OUT_ENCODING_URL[64];
friend class Base64DecoderBuf;
Base64EncoderBuf(const Base64EncoderBuf&);
@@ -79,7 +95,7 @@ class Foundation_API Base64EncoderIOS: public virtual std::ios
/// order of the stream buffer and base classes.
{
public:
Base64EncoderIOS(std::ostream& ostr);
Base64EncoderIOS(std::ostream& ostr, int options = 0);
~Base64EncoderIOS();
int close();
Base64EncoderBuf* rdbuf();
@@ -107,7 +123,7 @@ class Foundation_API Base64Encoder: public Base64EncoderIOS, public std::ostream
/// not updated to match the buffer's state.
{
public:
Base64Encoder(std::ostream& ostr);
Base64Encoder(std::ostream& ostr, int options = 0);
~Base64Encoder();
private: