126 lines
4.2 KiB
C++
126 lines
4.2 KiB
C++
// Copyright 2014 The Crashpad Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#ifndef CRASHPAD_UTIL_NET_HTTP_BODY_H_
|
|
#define CRASHPAD_UTIL_NET_HTTP_BODY_H_
|
|
|
|
#include <stdint.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include "util/file/file_io.h"
|
|
#include "util/file/file_reader.h"
|
|
|
|
namespace crashpad {
|
|
|
|
//! \brief An interface to a stream that can be used for an HTTP request body.
|
|
class HTTPBodyStream {
|
|
public:
|
|
virtual ~HTTPBodyStream() {}
|
|
|
|
//! \brief Copies up to \a max_len bytes into the user-supplied buffer.
|
|
//!
|
|
//! \param[out] buffer A user-supplied buffer into which this method will copy
|
|
//! bytes from the stream.
|
|
//! \param[in] max_len The length (or size) of \a buffer. At most this many
|
|
//! bytes will be copied.
|
|
//!
|
|
//! \return On success, a positive number indicating the number of bytes
|
|
//! actually copied to \a buffer. On failure, a negative number. When
|
|
//! the stream has no more data, returns `0`.
|
|
virtual FileOperationResult GetBytesBuffer(uint8_t* buffer,
|
|
size_t max_len) = 0;
|
|
|
|
protected:
|
|
HTTPBodyStream() {}
|
|
};
|
|
|
|
//! \brief An implementation of HTTPBodyStream that turns a fixed string into
|
|
//! a stream.
|
|
class StringHTTPBodyStream : public HTTPBodyStream {
|
|
public:
|
|
//! \brief Creates a stream with the specified string.
|
|
//!
|
|
//! \param[in] string The string to turn into a stream.
|
|
explicit StringHTTPBodyStream(const std::string& string);
|
|
|
|
StringHTTPBodyStream(const StringHTTPBodyStream&) = delete;
|
|
StringHTTPBodyStream& operator=(const StringHTTPBodyStream&) = delete;
|
|
|
|
~StringHTTPBodyStream() override;
|
|
|
|
// HTTPBodyStream:
|
|
FileOperationResult GetBytesBuffer(uint8_t* buffer, size_t max_len) override;
|
|
|
|
private:
|
|
std::string string_;
|
|
size_t bytes_read_;
|
|
};
|
|
|
|
//! \brief An implementation of HTTPBodyStream that reads from a
|
|
//! FileReaderInterface and provides its contents for an HTTP body.
|
|
class FileReaderHTTPBodyStream : public HTTPBodyStream {
|
|
public:
|
|
//! \brief Creates a stream for reading from a FileReaderInterface.
|
|
//!
|
|
//! \param[in] reader A FileReaderInterface from which this HTTPBodyStream
|
|
//! will read.
|
|
explicit FileReaderHTTPBodyStream(FileReaderInterface* reader);
|
|
|
|
FileReaderHTTPBodyStream(const FileReaderHTTPBodyStream&) = delete;
|
|
FileReaderHTTPBodyStream& operator=(const FileReaderHTTPBodyStream&) = delete;
|
|
|
|
~FileReaderHTTPBodyStream() override;
|
|
|
|
// HTTPBodyStream:
|
|
FileOperationResult GetBytesBuffer(uint8_t* buffer, size_t max_len) override;
|
|
|
|
private:
|
|
FileReaderInterface* reader_; // weak
|
|
bool reached_eof_;
|
|
};
|
|
|
|
//! \brief An implementation of HTTPBodyStream that combines an array of
|
|
//! several other HTTPBodyStream objects into a single, unified stream.
|
|
class CompositeHTTPBodyStream : public HTTPBodyStream {
|
|
public:
|
|
using PartsList = std::vector<HTTPBodyStream*>;
|
|
|
|
//! \brief Creates a stream from an array of other stream parts.
|
|
//!
|
|
//! \param[in] parts A vector of HTTPBodyStream objects, of which this object
|
|
//! takes ownership, that will be represented as a single unified stream.
|
|
//! Callers should not mutate the stream objects after passing them to
|
|
//! an instance of this class.
|
|
explicit CompositeHTTPBodyStream(const PartsList& parts);
|
|
|
|
CompositeHTTPBodyStream(const CompositeHTTPBodyStream&) = delete;
|
|
CompositeHTTPBodyStream& operator=(const CompositeHTTPBodyStream&) = delete;
|
|
|
|
~CompositeHTTPBodyStream() override;
|
|
|
|
// HTTPBodyStream:
|
|
FileOperationResult GetBytesBuffer(uint8_t* buffer, size_t max_len) override;
|
|
|
|
private:
|
|
PartsList parts_;
|
|
PartsList::iterator current_part_;
|
|
};
|
|
|
|
} // namespace crashpad
|
|
|
|
#endif // CRASHPAD_UTIL_NET_HTTP_BODY_H_
|