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Allow client to specify boundary and use more entropy by default (#691) (#694)

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lightvector 2020-10-11 15:34:54 -04:00 committed by GitHub
parent 6d60dc8839
commit d37bc0fb4d
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1 changed files with 31 additions and 3 deletions
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34
httplib.h
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@ -704,7 +704,8 @@ enum Error {
Canceled,
SSLConnection,
SSLLoadingCerts,
SSLServerVerification
SSLServerVerification,
UnsupportedMultipartBoundaryChars
};
class Result {
@ -777,6 +778,9 @@ public:
Result Post(const char *path, const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items,
const std::string& boundary);
Result Put(const char *path);
Result Put(const char *path, const std::string &body,
@ -1012,6 +1016,9 @@ public:
Result Post(const char *path, const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items);
Result Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items,
const std::string& boundary);
Result Put(const char *path);
Result Put(const char *path, const std::string &body,
const char *content_type);
@ -3090,8 +3097,13 @@ inline std::string make_multipart_data_boundary() {
static const char data[] =
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
// std::random_device might actually be deterministic on some
// platforms, but due to lack of support in the c++ standard library,
// doing better requires either some ugly hacks or breaking portability.
std::random_device seed_gen;
std::mt19937 engine(seed_gen());
// Request 128 bits of entropy for initialization
std::seed_seq seed_sequence{seed_gen(), seed_gen(), seed_gen(), seed_gen()};
std::mt19937 engine(seed_sequence);
std::string result = "--cpp-httplib-multipart-data-";
@ -5273,7 +5285,18 @@ inline Result ClientImpl::Post(const char *path,
inline Result ClientImpl::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items) {
auto boundary = detail::make_multipart_data_boundary();
return Post(path, headers, items, detail::make_multipart_data_boundary());
}
inline Result ClientImpl::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items,
const std::string& boundary) {
for (size_t i = 0; i < boundary.size(); i++) {
char c = boundary[i];
if (!std::isalnum(c) && c != '-' && c != '_') {
error_ = Error::UnsupportedMultipartBoundaryChars;
return Result{nullptr, error_};
}
}
std::string body;
@ -6306,6 +6329,11 @@ inline Result Client::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items) {
return cli_->Post(path, headers, items);
}
inline Result Client::Post(const char *path, const Headers &headers,
const MultipartFormDataItems &items,
const std::string& boundary) {
return cli_->Post(path, headers, items, boundary);
}
inline Result Client::Put(const char *path) { return cli_->Put(path); }
inline Result Client::Put(const char *path, const std::string &body,
const char *content_type) {