youen
/
vehicle-monitor
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Using HTTPS protocol for ESP32 web server, and implemented POST /api/info handler

master
Youen 7 months ago
parent
ee531c7ffe
commit
6c40ba4e1f
9 changed files with 154 additions and 9 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 5
      ESP32/.cproject
  2. 9
      ESP32/src/Info.h
  3. 2
      ESP32/src/Status.h
  4. 88
      ESP32/src/WebServer.cpp
  5. 7
      ESP32/src/WebServer.h
  6. 29
      ESP32/src/utils.cpp
  7. 3
      ESP32/src/utils.h
  8. 10
      ESP32/src/vehicle-monitor.cpp
  9. 10
      WebApp/src/monitor-api.ts

5
ESP32/.cproject
Unescape View File

@ -15,7 +15,7 @@
</extensions>
</storageModule>
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
<configuration artifactName="ESP32" buildProperties="" description="" id="0.910961921" name="Default" parent="org.eclipse.cdt.build.core.prefbase.cfg">
<configuration artifactName="ESP32" buildProperties="" description="" id="0.910961921" name="Default" optionalBuildProperties="" parent="org.eclipse.cdt.build.core.prefbase.cfg">
<folderInfo id="0.910961921." name="/" resourcePath="">
<toolChain id="org.eclipse.cdt.build.core.prefbase.toolchain.952979152" name="No ToolChain" resourceTypeBasedDiscovery="false" superClass="org.eclipse.cdt.build.core.prefbase.toolchain">
<targetPlatform binaryParser="org.eclipse.cdt.core.ELF" id="org.eclipse.cdt.build.core.prefbase.toolchain.952979152.52310970" name=""/>
@ -232,6 +232,9 @@
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/ESP32/src}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/ESP32/lib/AsyncTCP/src}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/ESP32/lib/DigitalPressureSensor/src}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${HOME}/.platformio/packages/toolchain-xtensa-esp32/xtensa-esp32-elf/include/c++/8.4.0&quot;"/>
<listOptionValue builtIn="false" value="&quot;${workspace_loc:/ESP32/.pio/libdeps/nodemcu-32s/esp32_https_server/src}&quot;"/>
<listOptionValue builtIn="false" value="&quot;${HOME}/.platformio/packages/toolchain-xtensa-esp32/xtensa-esp32-elf/include&quot;"/>
</option>
<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="org.eclipse.cdt.build.core.settings.holder.symbols.1198905600" name="Symbols" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
<listOptionValue builtIn="false" value="PLATFORMIO=50205"/>

9
ESP32/src/Info.h
Unescape View File

@ -0,0 +1,9 @@
#pragma once
struct Info
{
char realtime[32] = {0}; // UTC date and time, in format YYYY-MM-DDTHH:mm:ss.sssZ
float latitude = -1000.0f; // in decimal degrees
float longitude = -1000.0f; // in decimal degrees
float gpsAltitude = -1000.0f; // in meters, above sea level
};

2
ESP32/src/Status.h
Unescape View File

@ -1,6 +1,6 @@
#pragma once
#include <cstdint>
#include <stdint.h>
struct Status
{

88
ESP32/src/WebServer.cpp
Unescape View File

@ -2,16 +2,23 @@
#include "DebugLog.h"
#include "DataLogger.h"
#include "Info.h"
#include "utils.h"
#include <Arduino.h>
#include <SPIFFS.h>
#include <string>
#include <cstring>
#include "HTTPServer.hpp"
#include "HTTPSServer.hpp"
#include "SSLCert.hpp"
#include "HTTPRequest.hpp"
#include "HTTPResponse.hpp"
// generated certificate data
#include "cert.h"
#include "private_key.h"
/** Check if we have multiple cores */
#if CONFIG_FREERTOS_UNICORE
#define WEBSERVER_RUNNING_CORE 0
@ -25,7 +32,13 @@ detail::WebServer WebServer;
namespace detail
{
HTTPServer httpServer;
// Create an SSL certificate object from the files included above
SSLCert cert = SSLCert(
crt_DER, crt_DER_len,
private_key_DER, private_key_DER_len
);
HTTPSServer httpServer = HTTPSServer(&cert);
WebServer::WebServer()
{
@ -121,7 +134,76 @@ namespace detail
void WebServer::HandlePostInfo_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response)
{
char body[128]; // in current implementation, we expect the whole body to fit here
size_t bodySize = request->readChars(body, sizeof(body) - 1);
body[bodySize] = 0;
request->discardRequestBody();
//::DebugLog.println(body.c_str());
Info receivedInfo;
char* nextParam = body;
while (true)
{
char* sepPos = strstr(nextParam, "&");
if(sepPos == nullptr) sepPos = &body[bodySize];
if(nextParam == sepPos)
break; // should happen only if body is an empty string or ends with an "&" character
*sepPos = 0; // split the string in-place, this overrides the separating character which is fine
//::DebugLog.println(nextParam);
char* eqPos = strstr(nextParam, "=");
if(eqPos != nullptr && eqPos != nextParam && *(eqPos+1) != 0)
{
*eqPos = 0; // split the string in-place, overriding the equal sign
char* paramName = nextParam;
char* paramValue = eqPos + 1;
utils::replaceString(paramValue, "%3A", ":");
//::DebugLog.print(paramName); ::DebugLog.print(" = "); ::DebugLog.println(paramValue);
if(strcmp(paramName, "lat") == 0)
{
char *ending = nullptr;
receivedInfo.latitude = strtof(paramValue, &ending);
if (*ending != 0)
receivedInfo.latitude = -1000.0f;
}
else if(strcmp(paramName, "lng") == 0)
{
char *ending = nullptr;
receivedInfo.longitude = strtof(paramValue, &ending);
if (*ending != 0)
receivedInfo.longitude = -1000.0f;
}
else if(strcmp(paramName, "alt") == 0)
{
char *ending = nullptr;
receivedInfo.gpsAltitude = strtof(paramValue, &ending);
if (*ending != 0)
receivedInfo.gpsAltitude = -1000.0f;
}
else if(strcmp(paramName, "time") == 0)
{
strncpy(receivedInfo.realtime, paramValue, sizeof(receivedInfo.realtime));
}
}
if(sepPos == &body[bodySize])
break;
nextParam = sepPos + 1;
}
if(::WebServer.infoReceived_ != nullptr)
{
::WebServer.infoReceived_(receivedInfo);
}
}
void WebServer::HandleDefault_(HTTPRequest * request, HTTPResponse * response)
@ -165,7 +247,7 @@ namespace detail
void WebServer::SendContent_(Stream& stream, httpsserver::HTTPResponse * response)
{
uint8_t buffer[512];
uint8_t buffer[128];
while(stream.available())
{
size_t numBytes = stream.readBytes(buffer, sizeof(buffer));

7
ESP32/src/WebServer.h
Unescape View File

@ -3,6 +3,7 @@
#include "Status.h"
class Stream;
struct Info;
namespace httpsserver
{
@ -14,6 +15,9 @@ namespace detail
{
class WebServer
{
public:
typedef void (*InfoReceived)(const Info& info);
public:
WebServer();
~WebServer();
@ -22,6 +26,8 @@ namespace detail
void setStatus(const Status& status);
void setInfoReceivedCallback(InfoReceived infoReceived) { infoReceived_ = infoReceived; }
private:
static void ServerTask_(void* params);
static void HandleIndex_(httpsserver::HTTPRequest * request, httpsserver::HTTPResponse * response);
@ -33,6 +39,7 @@ namespace detail
private:
Status status_;
InfoReceived infoReceived_ = nullptr;
};
}

29
ESP32/src/utils.cpp
Unescape View File

@ -33,4 +33,33 @@ namespace utils
return (biggestValue - from) + to + 1;
}
}
void replaceString(char* str, char* searchStr, char* replacementStr)
{
size_t searchStrLen = strlen(searchStr);
size_t replacementStrLen = strlen(replacementStr);
char* newPos = str;
char* nextSearchPos = str;
while(true)
{
char* p = strstr(nextSearchPos, searchStr);
if(p == nullptr) p = nextSearchPos + strlen(nextSearchPos);
size_t l = p - nextSearchPos;
if(newPos != nextSearchPos)
{
memcpy(newPos, nextSearchPos, l);
}
newPos += l;
if(*p == 0)
break;
memcpy(newPos, replacementStr, replacementStrLen);
newPos += replacementStrLen;
nextSearchPos = p + searchStrLen;
}
}
}

3
ESP32/src/utils.h
Unescape View File

@ -1,4 +1,7 @@
namespace utils
{
unsigned long elapsed(unsigned long from, unsigned long to);
//! Replace all occurences of searchStr by remplacementStr, in-place within input str. This function can only be used if replacementStr is shorter or the same size as searchStr.
void replaceString(char* str, char* searchStr, char* replacementStr);
}

10
ESP32/src/vehicle-monitor.cpp
Unescape View File

@ -6,6 +6,7 @@
#include "DataLogger.h"
#include "WebServer.h"
#include "Status.h"
#include "Info.h"
#include "utils.h"
#include <WiFi.h>
@ -151,6 +152,14 @@ void connectWifi()
}
}
void onInfoReceived(const Info& info)
{
if(info.latitude > -900.0f) status.latitude = info.latitude;
if(info.longitude > -900.0f) status.longitude = info.longitude;
if(info.gpsAltitude > -900.0f) status.gpsAltitude = info.gpsAltitude;
if(info.realtime[0] != 0) strncpy(status.realtime, info.realtime, sizeof(status.realtime));
}
void setup()
{
pinMode(debugLedPin, OUTPUT);
@ -198,6 +207,7 @@ void setup()
//currentSensor2.begin(0x48, &Wire);
WebServer.setInfoReceivedCallback(onInfoReceived);
WebServer.begin();
/*server.on("/api/debug/log", HTTP_GET, [](AsyncWebServerRequest *request){

10
WebApp/src/monitor-api.ts
Unescape View File

@ -50,6 +50,7 @@ export class MonitorApi {
private mockServer: boolean;
private lastStatus: Status = null;
private lastKnownPosition: GeolocationPosition = null;
private watchingPosition: boolean = false;
private static api: MonitorApi = null;
private lastFetchTime = 0;
@ -74,18 +75,19 @@ export class MonitorApi {
getStatus() { return this.lastStatus; }
async autoUpdateInfo(): Promise<void> {
if (navigator.geolocation) {
if (!this.watchingPosition && navigator.geolocation) {
let updatePosition = (position: GeolocationPosition) => {
this.lastKnownPosition = position;
};
const options = {
enableHighAccuracy: true,
timeout: 6000,
maximumAge: 3000,
timeout: 10000,
maximumAge: 5000,
};
navigator.geolocation.getCurrentPosition(updatePosition, () => updatePosition(null), options);
navigator.geolocation.watchPosition(updatePosition, () => updatePosition(null), options);
this.watchingPosition = true;
}
const defaultPosition : GeolocationPosition = {

Write Preview
Loading…
Cancel
Save