Files
bobbycar-boardcomputer-firm…/main/webserver_newsettings.cpp
2023-08-13 20:15:53 +02:00

576 lines
19 KiB
C++

#include "webserver_newsettings.h"
// system includes
#include <limits>
#include <utility>
#include <expected>
// esp-idf includes
#include <esp_http_server.h>
#include <esp_log.h>
// 3rdparty lib includes
#include <htmlbuilder.h>
#include <fmt/core.h>
#include <espcppmacros.h>
#include <esphttpdutils.h>
#include <numberparsing.h>
#include <lockhelper.h>
#include <tickchrono.h>
#include <cpputils.h>
// local includes
#include "newsettings.h"
#include "webserver_lock.h"
using namespace std::chrono_literals;
using esphttpdutils::HtmlTag;
namespace {
constexpr const char * const TAG = "BOBBYWEB";
template<class T>
struct is_duration : std::false_type {};
template<class Rep, class Period>
struct is_duration<std::chrono::duration<Rep, Period>> : std::true_type {};
template <typename _Tp>
inline constexpr bool is_duration_v = is_duration<_Tp>::value;
template<typename T>
typename std::enable_if<
!std::is_same_v<T, bool> &&
!std::is_integral_v<T> &&
!is_duration_v<T> &&
!std::is_same_v<T, std::string> &&
!std::is_same_v<T, wifi_stack::ip_address_t> &&
!std::is_same_v<T, wifi_stack::mac_t> &&
!std::is_same_v<T, std::optional<wifi_stack::mac_t>> &&
!std::is_same_v<T, wifi_auth_mode_t> &&
!std::is_same_v<T, sntp_sync_mode_t> &&
!std::is_same_v<T, espchrono::DayLightSavingMode> &&
!std::is_same_v<T, OtaAnimationModes> &&
!std::is_same_v<T, LedstripAnimation> &&
!std::is_same_v<T, HandbremseMode> &&
!std::is_same_v<T, BatteryCellType>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
HtmlTag spanTag{"span", "style=\"color: red;\"", body};
body += "Unsupported config type";
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, bool>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"checkbox\" name=\"{}\" value=\"true\" {}/>"
"<input type=\"hidden\" name=\"{}\" value=\"false\" />",
esphttpdutils::htmlentities(key),
value ? "checked " : "",
esphttpdutils::htmlentities(key));
}
template<typename T>
typename std::enable_if<
!std::is_same_v<T, bool> &&
std::is_integral_v<T>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"number\" name=\"{}\" value=\"{}\" min=\"{}\" max=\"{}\" step=\"1\" />",
esphttpdutils::htmlentities(key),
value,
std::numeric_limits<T>::min(),
std::numeric_limits<T>::max());
}
template<typename T>
typename std::enable_if<
is_duration_v<T>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"number\" name=\"{}\" value=\"{}\" step=\"1\" />",
esphttpdutils::htmlentities(key),
value.count());
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, std::string>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"text\" name=\"{}\" value=\"{}\" />",
esphttpdutils::htmlentities(key),
esphttpdutils::htmlentities(value));
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_stack::ip_address_t>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"text\" name=\"{}\" value=\"{}\" pattern=\"[0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\" />",
esphttpdutils::htmlentities(key),
esphttpdutils::htmlentities(wifi_stack::toString(value)));
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_stack::mac_t>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"text\" name=\"{}\" value=\"{}\" pattern=\"[0-9a-fA-F]{{2}}(?:\\:[0-9a-fA-F]{{2}}){{5}}\" />",
esphttpdutils::htmlentities(key),
esphttpdutils::htmlentities(wifi_stack::toString(value)));
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, std::optional<wifi_stack::mac_t>>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
body += fmt::format("<input type=\"text\" name=\"{}\" value=\"{}\" pattern=\"(?:[0-9a-fA-F]{{2}}(?:\\:[0-9a-fA-F]{{2}}){{5}})?\" /> ?",
esphttpdutils::htmlentities(key),
value ? esphttpdutils::htmlentities(wifi_stack::toString(*value)) : std::string{});
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_auth_mode_t>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
HtmlTag select{"select", fmt::format("name=\"{}\"", esphttpdutils::htmlentities(key)), body};
#define HANDLE_ENUM_KEY(x) \
{ \
HtmlTag option{"option", fmt::format("value=\"{}\"{}", std::to_underlying(x), value == x ? " selected" : ""), body}; \
body += esphttpdutils::htmlentities(#x); \
}
HANDLE_ENUM_KEY(WIFI_AUTH_OPEN)
HANDLE_ENUM_KEY(WIFI_AUTH_WEP)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA2_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA_WPA2_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA2_ENTERPRISE)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA3_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_WPA2_WPA3_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_WAPI_PSK)
HANDLE_ENUM_KEY(WIFI_AUTH_MAX)
#undef HANDLE_ENUM_KEY
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, sntp_sync_mode_t>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
HtmlTag select{"select", fmt::format("name=\"{}\"", esphttpdutils::htmlentities(key)), body};
#define HANDLE_ENUM_KEY(x) \
{ \
HtmlTag option{"option", fmt::format("value=\"{}\"{}", std::to_underlying(x), value == x ? " selected" : ""), body}; \
body += esphttpdutils::htmlentities(#x); \
}
HANDLE_ENUM_KEY(SNTP_SYNC_MODE_IMMED)
HANDLE_ENUM_KEY(SNTP_SYNC_MODE_SMOOTH)
#undef HANDLE_ENUM_KEY
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, espchrono::DayLightSavingMode>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
HtmlTag select{"select", fmt::format("name=\"{}\"", esphttpdutils::htmlentities(key)), body};
espchrono::iterateDayLightSavingMode([&](T enumVal, std::string_view enumKey){
HtmlTag option{"option", fmt::format("value=\"{}\"{}", std::to_underlying(enumVal), value == enumVal ? " selected" : ""), body};
body += esphttpdutils::htmlentities(enumKey);
});
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, OtaAnimationModes> ||
std::is_same_v<T, LedstripAnimation> ||
std::is_same_v<T, BatteryCellType> ||
std::is_same_v<T, HandbremseMode>
, void>::type
showInputForSetting(std::string_view key, T value, std::string &body)
{
HtmlTag select{"select", fmt::format("name=\"{}\"", esphttpdutils::htmlentities(key)), body};
iterateEnum<T>::iterate([&](T enumVal, std::string_view enumKey){
HtmlTag option{"option", fmt::format("value=\"{}\"{}", std::to_underlying(enumVal), value == enumVal ? " selected" : ""), body};
body += esphttpdutils::htmlentities(enumKey);
});
}
} // namespace
esp_err_t webserver_newSettings_handler(httpd_req_t *req)
{
std::string body;
{
HtmlTag htmlTag{"html", body};
{
HtmlTag headTag{"head", body};
{
HtmlTag titleTag{"title", body};
body += "Settings";
}
body += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\" />";
HtmlTag styleTag{"style", "type=\"text/css\"", body};
body +=
".form-table {"
"display: table;"
"border-collapse: separate;"
"border-spacing: 10px 0;"
"}"
".form-table .form-table-row {"
"display: table-row;"
"}"
".form-table .form-table-row .form-table-cell {"
"display: table-cell;"
"}";
}
{
HtmlTag bodyTag{"body", body};
{
HtmlTag h1Tag{"h1", body};
body += "Settings";
}
{
HtmlTag pTag{"p", body};
body += "<a href=\"/\">Display control</a> - "
"<a href=\"/ota\">Update</a> - "
"<a href=\"/settings\">Settings</a> - "
"<b>New Settings</b> - "
"<a href=\"/dumpnvs\">Dump NVS</a>";
}
HtmlTag divTag{"div", "class=\"form-table\"", body};
configs.callForEveryConfig([&](const auto &config){
if (body.size() > 2048)
{
if (const auto result = httpd_resp_send_chunk(req, body.data(), body.size()); result != ESP_OK)
{
ESP_LOGE(TAG, "httpd_resp_send_chunk() failed with %s", esp_err_to_name(result));
//return result;
}
body.clear();
}
const std::string_view nvsName{config.nvsName()};
HtmlTag formTag{"form", "class=\"form-table-row\" action=\"/saveNewSettings\" method=\"GET\"", body};
{
HtmlTag divTag{"div", "class=\"form-table\"", body};
HtmlTag bTag{"b", body};
body += esphttpdutils::htmlentities(nvsName);
}
{
HtmlTag divTag{"div", "class=\"form-table-cell\"", body};
showInputForSetting(nvsName, config.value(), body);
}
{
HtmlTag divTag{"div", "class=\"form-table-cell\"", body};
HtmlTag buttonTag{"button", "type=\"submit\"", body};
body += "Save";
}
{
HtmlTag divTag{"div", "class=\"form-table-cell\"", body};
if (config.touched())
{
{
HtmlTag buttonTag{"span", "style=\"color: red;\"", body};
body += "Touched";
}
body += ' ';
if (config.allowReset())
{
HtmlTag buttonTag{"a", fmt::format("href=\"/resetNewSettings?{}=1\"", esphttpdutils::htmlentities(nvsName)), body};
body += "Reset";
}
else
{
HtmlTag buttonTag{"span", "style=\"color: yellow;\"", body};
body += "No Reset";
}
}
}
});
}
}
CALL_AND_EXIT_ON_ERROR(httpd_resp_send_chunk, req, body.data(), body.size());
body.clear();
CALL_AND_EXIT(httpd_resp_send_chunk, req, nullptr, 0);
//CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::Ok, "text/html", body)
}
namespace {
template<typename T>
typename std::enable_if<
!std::is_same_v<T, bool> &&
!std::is_integral_v<T> &&
!std::is_same_v<T, std::string> &&
!std::is_same_v<T, wifi_stack::ip_address_t> &&
!std::is_same_v<T, wifi_stack::mac_t> &&
!std::is_same_v<T, std::optional<wifi_stack::mac_t>> &&
!std::is_same_v<T, wifi_auth_mode_t> &&
!std::is_same_v<T, sntp_sync_mode_t> &&
!std::is_same_v<T, espchrono::DayLightSavingMode> &&
!std::is_same_v<T, OtaAnimationModes> &&
!std::is_same_v<T, LedstripAnimation> &&
!std::is_same_v<T, HandbremseMode> &&
!std::is_same_v<T, BobbyQuickActions>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
return std::unexpected("Unsupported config type");
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, bool>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (cpputils::is_in(newValue, "true", "false"))
return configs.write_config(config, newValue == "true");
else
return std::unexpected(fmt::format("only true and false allowed, not {}", newValue));
}
template<typename T>
typename std::enable_if<
!std::is_same_v<T, bool> &&
std::is_integral_v<T>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (auto parsed = cpputils::fromString<T>(newValue))
return configs.write_config(config, *parsed);
else
return std::unexpected(fmt::format("could not parse {}", newValue));
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, std::string>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
return configs.write_config(config, std::string{newValue});
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_stack::ip_address_t>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (const auto parsed = wifi_stack::fromString<wifi_stack::ip_address_t>(newValue); parsed)
return configs.write_config(config, *parsed);
else
return std::unexpected(parsed.error());
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_stack::mac_t>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (const auto parsed = wifi_stack::fromString<wifi_stack::mac_t>(newValue); parsed)
return configs.write_config(config, *parsed);
else
return std::unexpected(parsed.error());
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, std::optional<wifi_stack::mac_t>>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (newValue.empty())
return configs.write_config(config, std::nullopt);
else if (const auto parsed = wifi_stack::fromString<wifi_stack::mac_t>(newValue); parsed)
return configs.write_config(config, *parsed);
else
return std::unexpected(parsed.error());
}
template<typename T>
typename std::enable_if<
std::is_same_v<T, wifi_auth_mode_t> ||
std::is_same_v<T, sntp_sync_mode_t> ||
std::is_same_v<T, espchrono::DayLightSavingMode> ||
std::is_same_v<T, OtaAnimationModes> ||
std::is_same_v<T, LedstripAnimation> ||
std::is_same_v<T, HandbremseMode> ||
std::is_same_v<T, BobbyQuickActions>
, std::expected<void, std::string>>::type
saveSetting(ConfigWrapper<T> &config, std::string_view newValue)
{
if (auto parsed = cpputils::fromString<std::underlying_type_t<T>>(newValue))
return configs.write_config(config, T(*parsed));
else
return std::unexpected(fmt::format("could not parse {}", newValue));
}
} // namespace
esp_err_t webserver_saveNewSettings_handler(httpd_req_t *req)
{
std::string query;
if (auto result = esphttpdutils::webserver_get_query(req))
query = *result;
else
{
ESP_LOGE(TAG, "%.*s", result.error().size(), result.error().data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", result.error());
}
std::string body;
bool success{true};
configs.callForEveryConfig([&](auto &config){
const std::string_view nvsName{config.nvsName()};
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), nvsName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result != ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{}: httpd_query_key_value() failed with {}", nvsName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
body += msg;
body += '\n';
success = false;
}
return;
}
char valueBuf[257];
esphttpdutils::urldecode(valueBuf, valueBufEncoded);
if (const auto result = saveSetting(config, valueBuf); result)
body += fmt::format("{} succeeded!\n", esphttpdutils::htmlentities(nvsName));
else
{
body += fmt::format("{} failed: {}\n", esphttpdutils::htmlentities(nvsName), esphttpdutils::htmlentities(result.error()));
success = false;
}
});
if (body.empty())
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::Ok, "text/plain", "nothing changed?!")
if (success)
{
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/newSettings")
body += "\nOk, continue at /newSettings";
}
CALL_AND_EXIT(esphttpdutils::webserver_resp_send,
req,
success ? esphttpdutils::ResponseStatus::TemporaryRedirect : esphttpdutils::ResponseStatus::BadRequest,
"text/plain",
body)
}
esp_err_t webserver_resetNewSettings_handler(httpd_req_t *req)
{
std::string query;
if (auto result = esphttpdutils::webserver_get_query(req))
query = *result;
else
{
ESP_LOGE(TAG, "%.*s", result.error().size(), result.error().data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", result.error());
}
std::string body;
bool success{true};
configs.callForEveryConfig([&](auto &config){
const std::string_view nvsName{config.nvsName()};
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), nvsName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result != ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{}: httpd_query_key_value() failed with {}", nvsName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
body += msg;
body += '\n';
success = false;
}
return;
}
body += nvsName;
body += ' ';
if (const auto result = configs.reset_config(config); result)
body += "reset successful";
else
{
body += result.error();
success = false;
}
body += '\n';
});
if (body.empty())
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::Ok, "text/plain", "nothing changed?!")
if (success)
{
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/newSettings")
body += "\nOk, continue at /newSettings";
}
CALL_AND_EXIT(esphttpdutils::webserver_resp_send,
req,
success ? esphttpdutils::ResponseStatus::TemporaryRedirect : esphttpdutils::ResponseStatus::BadRequest,
"text/plain",
body)
}