Files
bobbycar-boardcomputer-firm…/main/webserver_displaycontrol.cpp
2022-08-06 23:35:34 +02:00

562 lines
23 KiB
C++

#include "webserver_displaycontrol.h"
// system includes
#include <utility>
// 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 <numberparsing.h>
#include <esphttpdutils.h>
#include <textinterface.h>
#include <menudisplay.h>
#include <changevaluedisplay.h>
#include <changevaluedisplay_string.h>
#include <lockhelper.h>
#include <tickchrono.h>
#include <screenmanager.h>
// local includes
#include "bobbybuttons.h"
#include "globals.h"
#include "newsettings.h"
#include "webserver_lock.h"
using esphttpdutils::HtmlTag;
using namespace std::chrono_literals;
namespace {
constexpr const char * const TAG = "BOBBYWEB";
} // namespace
esp_err_t webserver_root_handler(httpd_req_t *req)
{
std::string body;
std::string wants_json_query;
if (auto result = esphttpdutils::webserver_get_query(req))
wants_json_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());
}
char tmpBuf[256];
const auto key_result = httpd_query_key_value(wants_json_query.data(), "json", tmpBuf, 256);
if (key_result == ESP_OK && (configs.webserverPassword.value().empty() || configs.webserverPassword.value() == tmpBuf))
{
body += "{";
if (auto currentDisplay = static_cast<const espgui::Display *>(espgui::currentDisplay.get()))
{
body.reserve(4096);
if (const auto *textInterface = currentDisplay->asTextInterface())
{
body += fmt::format("\"name\":\"{}\",", textInterface->text());
}
if (const auto *menuDisplay = currentDisplay->asMenuDisplay())
{
body += fmt::format("\"index\":{},\"items\":[", menuDisplay->selectedIndex());
menuDisplay->runForEveryMenuItem([&,selectedIndex=menuDisplay->selectedIndex()](const espgui::MenuItem &menuItem){
body += "{";
const auto itemName = menuItem.text();
std::string color{};
std::string font{};
switch (menuItem.color()) {
case TFT_RED:
color = "&1";
break;
case TFT_GREEN:
color = "&2";
break;
case TFT_BLUE:
color = "&3";
break;
case TFT_YELLOW:
color = "&4";
break;
case TFT_BLACK:
color = "&5";
break;
case TFT_WHITE:
color = "&6";
break;
case TFT_GREY:
case TFT_DARKGREY:
color = "&7";
break;
default:
color = "";
break;
}
switch (menuItem.font())
{
case 2:
font = "&s";
break;
case 4:
font = "&m";
break;
default:
font = "";
break;
}
std::string menuItemName = font + color + itemName;
body += fmt::format("\"name\":\"{}\",\"icon\":\"{}\",\"index\":{}", menuItemName, (menuItem.icon()) ? menuItem.icon()->name : "", selectedIndex);
body += "},";
});
body += "],";
}
else if (const auto *changeValueDisplay = currentDisplay->asChangeValueDisplayInterface())
{
body += fmt::format("\"value\":\"{}\",", changeValueDisplay->shownValue());
}
else
{
body += "\"err\":\"Screen not implemented yet.\"";
}
}
else
{
body += "\"err\":\"Currently no screen instantiated.\"";
}
body += "}";
size_t lastGesch = body.rfind("},");
if (std::string::npos != lastGesch)
body = body.erase(lastGesch+1, 1);
size_t lastEckig = body.rfind("],");
if (std::string::npos != lastEckig)
body = body.erase(lastEckig+1, 1);
}
else if (key_result != ESP_ERR_NOT_FOUND && tmpBuf != configs.webserverPassword.value())
{
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::Unauthorized, "text/plain", "");
}
else
{
HtmlTag htmlTag{"html", body};
{
HtmlTag headTag{"head", body};
{
HtmlTag titleTag{"title", body};
body += "Display control";
}
body += "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1, shrink-to-fit=no\" />";
}
{
HtmlTag bodyTag{"body", body};
{
HtmlTag h1Tag{"h1", body};
body += "Display control";
}
{
HtmlTag pTag{"p", body};
body += "<b>Display control</b> - "
"<a href=\"/ota\">Update</a> - "
"<a href=\"/settings\">Settings</a> - "
"<a href=\"/newSettings\">New Settings</a> - "
"<a href=\"/dumpnvs\">Dump NVS</a>";
}
{
HtmlTag pTag{"p", body};
body += "Trigger raw button: "
"<a href=\"/triggerRawButton?button=0\">Button0</a> "
"<a href=\"/triggerRawButton?button=1\">Button1</a> "
"<a href=\"/triggerRawButton?button=2\">Button2</a> "
"<a href=\"/triggerRawButton?button=3\">Button3</a> "
"<a href=\"/triggerRawButton?button=4\">Button4</a> "
"<a href=\"/triggerRawButton?button=5\">Button5</a> "
"<a href=\"/triggerRawButton?button=6\">Button6</a> "
"<a href=\"/triggerRawButton?button=7\">Button7</a> "
"<a href=\"/triggerRawButton?button=8\">Button8</a> "
"<a href=\"/triggerRawButton?button=9\">Button9</a> "
"<a href=\"/triggerRawButton?button=10\">Button10</a> "
"<a href=\"/triggerRawButton?button=11\">Button11</a> "
"<a href=\"/triggerRawButton?button=12\">Button12</a> "
"<a href=\"/triggerRawButton?button=13\">Button13</a> "
"<a href=\"/triggerRawButton?button=14\">Button14</a> "
"<a href=\"/triggerRawButton?button=15\">Button15</a>";
}
{
HtmlTag pTag{"p", body};
body += fmt::format("Trigger button: "
"<a href=\"/triggerButton?button={}\">Left</a> "
"<a href=\"/triggerButton?button={}\">Right</a> "
"<a href=\"/triggerButton?button={}\">Up</a> "
"<a href=\"/triggerButton?button={}\">Down</a> "
"<a href=\"/triggerButton?button={}\">Profile0</a> "
"<a href=\"/triggerButton?button={}\">Profile1</a> "
"<a href=\"/triggerButton?button={}\">Profile2</a> "
"<a href=\"/triggerButton?button={}\">Profile3</a> "
"<a href=\"/triggerButton?button={}\">Left2</a> "
"<a href=\"/triggerButton?button={}\">Right2</a> "
"<a href=\"/triggerButton?button={}\">Up2</a> "
"<a href=\"/triggerButton?button={}\">Down2</a>"
"<a href=\"/triggerButton?button={}\">Extra1</a>"
"<a href=\"/triggerButton?button={}\">Extra2</a>"
"<a href=\"/triggerButton?button={}\">Extra3</a>"
"<a href=\"/triggerButton?button={}\">Extra4</a>",
std::to_underlying(espgui::Button::Left),
std::to_underlying(espgui::Button::Right),
std::to_underlying(espgui::Button::Up),
std::to_underlying(espgui::Button::Down),
std::to_underlying(BobbyButton::Profile0),
std::to_underlying(BobbyButton::Profile1),
std::to_underlying(BobbyButton::Profile2),
std::to_underlying(BobbyButton::Profile3),
std::to_underlying(BobbyButton::Left2),
std::to_underlying(BobbyButton::Right2),
std::to_underlying(BobbyButton::Up2),
std::to_underlying(BobbyButton::Down2),
std::to_underlying(BobbyButton::Extra1),
std::to_underlying(BobbyButton::Extra2),
std::to_underlying(BobbyButton::Extra3),
std::to_underlying(BobbyButton::Extra4));
}
if (auto currentDisplay = static_cast<const espgui::Display *>(espgui::currentDisplay.get()))
{
if (const auto *textInterface = currentDisplay->asTextInterface())
{
HtmlTag h2Tag{"h2", body};
body += esphttpdutils::htmlentities(textInterface->text());
}
if (const auto *menuDisplay = currentDisplay->asMenuDisplay())
{
HtmlTag ulTag{"ul", body};
int i{0};
menuDisplay->runForEveryMenuItem([&,selectedIndex=menuDisplay->selectedIndex()](const espgui::MenuItem &menuItem){
HtmlTag liTag = i == selectedIndex ?
HtmlTag{"li", "style=\"border: 1px solid black;\"", body} :
HtmlTag{"li", body};
body += fmt::format("<a href=\"/triggerItem?index={}\">{}</a>", i, esphttpdutils::htmlentities(menuItem.text()));
i++;
});
}
else if (const auto *changeValueDisplay = currentDisplay->asChangeValueDisplayInterface())
{
HtmlTag formTag{"form", "action=\"/setValue\" method=\"GET\"", body};
body += fmt::format("<input type=\"number\" name=\"value\" value=\"{}\" />", changeValueDisplay->shownValue());
body += "<button type=\"submit\">Update</button>";
}
else if (const auto *changeValueDisplay = currentDisplay->asChangeValueDisplayString())
{
HtmlTag formTag{"form", "action=\"/setValue\" method=\"GET\"", body};
body += fmt::format("<input type=\"text\" name=\"value\" value=\"{}\" />", changeValueDisplay->shownValue());
body += "<button type=\"submit\">Update</button>";
}
else
{
body += "No web control implemented for current display.";
}
}
else
{
body += "Currently no screen instantiated.";
}
}
}
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Access-Control-Allow-Origin", "http://web.bobbycar.cloud");
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::Ok, (key_result == ESP_OK) ? "application/json":"text/html", body)
}
esp_err_t webserver_triggerRawButton_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());
}
int8_t button;
constexpr const std::string_view buttonParamName{"button"};
{
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), buttonParamName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result == ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{} not set", buttonParamName);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
else
{
const auto msg = fmt::format("httpd_query_key_value() {} failed with {}", buttonParamName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
char valueBuf[257];
esphttpdutils::urldecode(valueBuf, valueBufEncoded);
std::string_view value{valueBuf};
if (auto parsed = cpputils::fromString<decltype(button)>(value))
{
button = *parsed;
}
else
{
const auto msg = fmt::format("could not parse {} {}", buttonParamName, value);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
rawButtonRequest.store(button);
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/")
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Access-Control-Allow-Origin", "http://web.bobbycar.cloud");
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::TemporaryRedirect, "text/html", "Ok, continue at <a href=\"/\">/</a>")
}
esp_err_t webserver_triggerButton_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());
}
int8_t button;
constexpr const std::string_view buttonParamName{"button"};
{
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), buttonParamName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result == ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{} not set", buttonParamName);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
else
{
const auto msg = fmt::format("httpd_query_key_value() {} failed with {}", buttonParamName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
char valueBuf[257];
esphttpdutils::urldecode(valueBuf, valueBufEncoded);
std::string_view value{valueBuf};
if (auto parsed = cpputils::fromString<int8_t>(value))
{
button = *parsed;
}
else
{
const auto msg = fmt::format("could not parse {} {}", buttonParamName, value);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
buttonRequest.store(button);
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/")
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Access-Control-Allow-Origin", "http://web.bobbycar.cloud");
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::TemporaryRedirect, "text/html", "Ok, continue at <a href=\"/\">/</a>")
}
esp_err_t webserver_triggerItem_handler(httpd_req_t *req)
{
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Access-Control-Allow-Origin", "http://web.bobbycar.cloud");
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::size_t index;
constexpr const std::string_view indexParamName{"index"};
{
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), indexParamName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result == ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{} not set", indexParamName);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
else
{
const auto msg = fmt::format("httpd_query_key_value() {} failed with {}", indexParamName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
char valueBuf[257];
esphttpdutils::urldecode(valueBuf, valueBufEncoded);
std::string_view value{valueBuf};
if (auto parsed = cpputils::fromString<typeof(index)>(value))
{
index = *parsed;
}
else
{
const auto msg = fmt::format("could not parse {} {}", indexParamName, value);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
if (!espgui::currentDisplay)
{
constexpr const std::string_view msg = "espgui::currentDisplay is null";
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
auto *menuDisplay = espgui::currentDisplay->asMenuDisplay();
if (!menuDisplay)
{
constexpr const std::string_view msg = "espgui::currentDisplay is not a menu display";
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
if (/*index < 0 ||*/ index >= menuDisplay->menuItemCount())
{
const auto msg = fmt::format("{} {} out of range (must be smaller than {})", indexParamName, index, menuDisplay->menuItemCount());
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
menuDisplay->getMenuItem(index).triggered();
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/")
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::TemporaryRedirect, "text/html", "Ok, continue at <a href=\"/\">/</a>")
}
esp_err_t webserver_setValue_handler(httpd_req_t *req)
{
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Access-Control-Allow-Origin", "http://web.bobbycar.cloud");
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());
}
char valueBuf[257];
constexpr const std::string_view valueParamName{"value"};
{
char valueBufEncoded[256];
if (const auto result = httpd_query_key_value(query.data(), valueParamName.data(), valueBufEncoded, 256); result != ESP_OK)
{
if (result == ESP_ERR_NOT_FOUND)
{
const auto msg = fmt::format("{} not set", valueParamName);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
else
{
const auto msg = fmt::format("httpd_query_key_value() {} failed with {}", valueParamName, esp_err_to_name(result));
ESP_LOGE(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
}
esphttpdutils::urldecode(valueBuf, valueBufEncoded);
}
std::string_view value{valueBuf};
if (!espgui::currentDisplay)
{
constexpr const std::string_view msg = "espgui::currentDisplay is null";
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
if (auto *changeValueDisplay = espgui::currentDisplay->asChangeValueDisplayInterface())
{
int newValue;
if (auto parsed = cpputils::fromString<typeof(newValue)>(value))
{
newValue = *parsed;
}
else
{
const auto msg = fmt::format("could not parse {} {}", valueParamName, value);
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
changeValueDisplay->setShownValue(newValue);
}
else if (auto *changeValueDisplay = espgui::currentDisplay->asChangeValueDisplayString())
{
changeValueDisplay->setShownValue(std::string{value});
}
else
{
constexpr const std::string_view msg = "espgui::currentDisplay is not a change value display";
ESP_LOGW(TAG, "%.*s", msg.size(), msg.data());
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::BadRequest, "text/plain", msg);
}
CALL_AND_EXIT_ON_ERROR(httpd_resp_set_hdr, req, "Location", "/")
CALL_AND_EXIT(esphttpdutils::webserver_resp_send, req, esphttpdutils::ResponseStatus::TemporaryRedirect, "text/html", "Ok, continue at <a href=\"/\">/</a>")
}