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lnav/src/regex101.client.cc

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/**
* Copyright (c) 2022, Timothy Stack
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Timothy Stack nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "regex101.client.hh"
#include <curl/curl.h>
#include "config.h"
#include "curl_looper.hh"
#include "ghc/filesystem.hpp"
#include "yajlpp/yajlpp_def.hh"
namespace regex101 {
namespace client {
static const json_path_handler_base::enum_value_t CRITERIA_ENUM[] = {
{"DOES_MATCH", unit_test::criteria::DOES_MATCH},
{"DOES_NOT_MATCH", unit_test::criteria::DOES_NOT_MATCH},
json_path_handler_base::ENUM_TERMINATOR,
};
static const json_path_container UNIT_TEST_HANDLERS = {
yajlpp::property_handler("description")
.for_field(&unit_test::ut_description),
yajlpp::property_handler("testString")
.for_field(&unit_test::ut_test_string),
yajlpp::property_handler("target").for_field(&unit_test::ut_target),
yajlpp::property_handler("criteria")
.with_enum_values(CRITERIA_ENUM)
.for_field(&unit_test::ut_criteria),
};
static const typed_json_path_container<entry> ENTRY_HANDLERS = {
yajlpp::property_handler("regex").for_field(&entry::e_regex),
yajlpp::property_handler("testString").for_field(&entry::e_test_string),
yajlpp::property_handler("flags").for_field(&entry::e_flags),
yajlpp::property_handler("delimiter").for_field(&entry::e_delimiter),
yajlpp::property_handler("flavor").for_field(&entry::e_flavor),
yajlpp::property_handler("unitTests#")
.for_field(&entry::e_unit_tests)
.with_children(UNIT_TEST_HANDLERS),
yajlpp::property_handler("permalinkFragment")
.for_field(&entry::e_permalink_fragment),
};
static const typed_json_path_container<upsert_response> RESPONSE_HANDLERS = {
yajlpp::property_handler("deleteCode")
.for_field(&upsert_response::cr_delete_code),
yajlpp::property_handler("permalinkFragment")
.for_field(&upsert_response::cr_permalink_fragment),
yajlpp::property_handler("version").for_field(&upsert_response::cr_version),
};
static const ghc::filesystem::path REGEX101_BASE_URL
= "https://regex101.com/api/regex";
static const char* USER_AGENT = "lnav/" PACKAGE_VERSION;
Result<upsert_response, lnav::console::user_message>
upsert(entry& en)
{
auto entry_json = ENTRY_HANDLERS.to_string(en);
curl_request cr(REGEX101_BASE_URL.string());
curl_easy_setopt(cr, CURLOPT_URL, cr.get_name().c_str());
curl_easy_setopt(cr, CURLOPT_POST, 1);
curl_easy_setopt(cr, CURLOPT_POSTFIELDS, entry_json.c_str());
curl_easy_setopt(cr, CURLOPT_POSTFIELDSIZE, entry_json.size());
curl_easy_setopt(cr, CURLOPT_USERAGENT, USER_AGENT);
auto_mem<curl_slist> list(curl_slist_free_all);
list = curl_slist_append(list, "Content-Type: application/json");
curl_easy_setopt(cr, CURLOPT_HTTPHEADER, list.in());
auto perform_res = cr.perform();
if (perform_res.isErr()) {
return Err(
lnav::console::user_message::error(
"unable to create entry on regex101.com")
.with_reason(curl_easy_strerror(perform_res.unwrapErr())));
}
auto response = perform_res.unwrap();
auto resp_code = cr.get_response_code();
if (resp_code != 200) {
return Err(lnav::console::user_message::error(
"unable to create entry on regex101.com")
.with_reason(attr_line_t()
.append("received response code ")
.append(lnav::roles::number(
fmt::to_string(resp_code)))
.append(" content ")
.append_quoted(response)));
}
auto parse_res
= RESPONSE_HANDLERS.parser_for(intern_string::lookup(cr.get_name()))
.of(response);
if (parse_res.isOk()) {
return Ok(parse_res.unwrap());
}
auto errors = parse_res.unwrapErr();
return Err(lnav::console::user_message::error(
"unable to create entry on regex101.com")
.with_reason(errors[0].to_attr_line({})));
}
struct retrieve_entity {
std::string re_permalink_fragment;
int32_t re_versions{1};
};
static const typed_json_path_container<retrieve_entity> RETRIEVE_ENTITY_HANDLERS
= {
yajlpp::property_handler("permalinkFragment")
.for_field(&retrieve_entity::re_permalink_fragment),
yajlpp::property_handler("versions")
.for_field(&retrieve_entity::re_versions),
};
retrieve_result_t
retrieve(const std::string& permalink)
{
auto entry_url = REGEX101_BASE_URL / permalink;
curl_request entry_req(entry_url.string());
curl_easy_setopt(entry_req, CURLOPT_URL, entry_req.get_name().c_str());
curl_easy_setopt(entry_req, CURLOPT_USERAGENT, USER_AGENT);
auto perform_res = entry_req.perform();
if (perform_res.isErr()) {
return lnav::console::user_message::error(
attr_line_t("unable to get entry ")
.append_quoted(lnav::roles::symbol(permalink))
.append(" on regex101.com"))
.with_reason(curl_easy_strerror(perform_res.unwrapErr()));
}
auto response = perform_res.unwrap();
auto resp_code = entry_req.get_response_code();
if (resp_code == 404) {
return no_entry{};
}
if (resp_code != 200) {
return lnav::console::user_message::error(
attr_line_t("unable to get entry ")
.append_quoted(lnav::roles::symbol(permalink))
.append(" on regex101.com"))
.with_reason(
attr_line_t()
.append("received response code ")
.append(lnav::roles::number(fmt::to_string(resp_code)))
.append(" content ")
.append_quoted(response));
}
auto parse_res
= RETRIEVE_ENTITY_HANDLERS
.parser_for(intern_string::lookup(entry_req.get_name()))
.of(response);
if (parse_res.isErr()) {
auto parse_errors = parse_res.unwrapErr();
return lnav::console::user_message::error(
attr_line_t("unable to get entry ")
.append_quoted(lnav::roles::symbol(permalink))
.append(" on regex101.com"))
.with_reason(parse_errors[0].to_attr_line({}));
}
auto entry_value = parse_res.unwrap();
if (entry_value.re_versions == 0) {
return no_entry{};
}
auto version_url = entry_url / fmt::to_string(entry_value.re_versions);
curl_request version_req(version_url.string());
curl_easy_setopt(version_req, CURLOPT_URL, version_req.get_name().c_str());
curl_easy_setopt(version_req, CURLOPT_USERAGENT, USER_AGENT);
auto version_perform_res = version_req.perform();
if (version_perform_res.isErr()) {
return lnav::console::user_message::error(
attr_line_t("unable to get entry version ")
.append_quoted(lnav::roles::symbol(version_url.string()))
.append(" on regex101.com"))
.with_reason(curl_easy_strerror(version_perform_res.unwrapErr()));
}
auto version_response = version_perform_res.unwrap();
auto version_parse_res
= ENTRY_HANDLERS
.parser_for(intern_string::lookup(version_req.get_name()))
.of(version_response);
if (version_parse_res.isErr()) {
auto parse_errors = version_parse_res.unwrapErr();
return lnav::console::user_message::error(
attr_line_t("unable to get entry version ")
.append_quoted(lnav::roles::symbol(version_url.string()))
.append(" on regex101.com"))
.with_reason(parse_errors[0].to_attr_line({}));
}
auto retval = version_parse_res.unwrap();
retval.e_permalink_fragment = permalink;
return retval;
}
struct delete_entity {
std::string de_delete_code;
};
static const typed_json_path_container<delete_entity> DELETE_ENTITY_HANDLERS = {
yajlpp::property_handler("deleteCode")
.for_field(&delete_entity::de_delete_code),
};
Result<void, lnav::console::user_message>
delete_entry(const std::string& delete_code)
{
curl_request cr(REGEX101_BASE_URL.string());
delete_entity entity{delete_code};
auto entity_json = DELETE_ENTITY_HANDLERS.to_string(entity);
curl_easy_setopt(cr, CURLOPT_URL, cr.get_name().c_str());
curl_easy_setopt(cr, CURLOPT_CUSTOMREQUEST, "DELETE");
curl_easy_setopt(cr, CURLOPT_USERAGENT, USER_AGENT);
curl_easy_setopt(cr, CURLOPT_POSTFIELDS, entity_json.c_str());
curl_easy_setopt(cr, CURLOPT_POSTFIELDSIZE, entity_json.size());
auto_mem<curl_slist> list(curl_slist_free_all);
list = curl_slist_append(list, "Content-Type: application/json");
curl_easy_setopt(cr, CURLOPT_HTTPHEADER, list.in());
auto perform_res = cr.perform();
if (perform_res.isErr()) {
return Err(
lnav::console::user_message::error(
"unable to delete entry on regex101.com")
.with_reason(curl_easy_strerror(perform_res.unwrapErr())));
}
auto response = perform_res.unwrap();
auto resp_code = cr.get_response_code();
if (resp_code != 200) {
return Err(lnav::console::user_message::error(
"unable to delete entry on regex101.com")
.with_reason(attr_line_t()
.append("received response code ")
.append(lnav::roles::number(
fmt::to_string(resp_code)))
.append(" content ")
.append_quoted(response)));
}
return Ok();
}
std::string
to_edit_url(const std::string& permalink)
{
return fmt::format(FMT_STRING("https://regex101.com/r/{}"), permalink);
}
bool
unit_test::operator==(const unit_test& rhs) const
{
return ut_description == rhs.ut_description
&& ut_test_string == rhs.ut_test_string && ut_target == rhs.ut_target
&& ut_criteria == rhs.ut_criteria;
}
bool
unit_test::operator!=(const unit_test& rhs) const
{
return !(rhs == *this);
}
bool
entry::operator==(const entry& rhs) const
{
return e_regex == rhs.e_regex && e_test_string == rhs.e_test_string
&& e_flavor == rhs.e_flavor && e_unit_tests == rhs.e_unit_tests;
}
bool
entry::operator!=(const entry& rhs) const
{
return !(rhs == *this);
}
} // namespace client
} // namespace regex101
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