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Added upload function for html files.

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This commit is contained in:
Magnus
2021-03-27 18:04:07 +01:00
parent 5f04d6e65e
commit 384ec017a8
6 changed files with 324 additions and 42 deletions
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190
src/webserver.cpp
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@ -31,6 +31,7 @@ SOFTWARE.
#include <ArduinoJson.h>
#include <incbin.h>
#include <ESP8266WiFi.h>
//#define DEBUG_ESP_HTTP_SERVER
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>
#include <LittleFS.h>
@ -41,9 +42,11 @@ INCBIN_EXTERN(IndexHtm);
INCBIN_EXTERN(DeviceHtm);
INCBIN_EXTERN(ConfigHtm);
INCBIN_EXTERN(AboutHtm);
#else
INCBIN_EXTERN(UploadHtm);
#endif
WebServer myWebServer;
WebServer myWebServer; // My wrapper class fr webserver functions
ESP8266WebServer server(80);
extern bool sleepModeActive;
@ -84,9 +87,9 @@ void webHandleConfig() {
double temp = myTempSensor.getValueCelcius();
double gravity = calculateGravity( angle, temp );
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
#if LOG_LEVEL==6
serializeJson(doc, Serial);
@ -97,6 +100,72 @@ void webHandleConfig() {
server.send(200, "application/json", out.c_str() );
}
//
// Callback from webServer when / has been accessed.
//
void webHandleUpload() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/upload." CR));
#endif
Log.notice(F("WEB : webServer callback for /api/upload." CR));
DynamicJsonDocument doc(100);
doc[ "index" ] = myWebServer.checkHtmlFile( WebServer::HTML_INDEX );
doc[ "device" ] = myWebServer.checkHtmlFile( WebServer::HTML_DEVICE );
doc[ "config" ] = myWebServer.checkHtmlFile( WebServer::HTML_CONFIG );
doc[ "about" ] = myWebServer.checkHtmlFile( WebServer::HTML_ABOUT );
#if LOG_LEVEL==6
serializeJson(doc, Serial);
Serial.print( CR );
#endif
String out;
serializeJson(doc, out);
server.send(200, "application/json", out.c_str() );
}
//
// Callback from webServer when / has been accessed.
//
File uploadFile;
void webHandleUploadFile() {
Log.notice(F("WEB : webServer callback for /api/upload/file." CR));
#if LOG_LEVEL==6
Log.verbose(F("WEB : webServer callback for /api/upload/file." CR));
#endif
HTTPUpload& upload = server.upload();
String f = upload.filename;
bool validFilename = false;
if( f.equalsIgnoreCase("index.min.htm") || f.equalsIgnoreCase("device.min.htm") ||
f.equalsIgnoreCase("config.min.htm") || f.equalsIgnoreCase("about.min.htm") ) {
validFilename = true;
}
Log.notice(F("WEB : webServer callback for /api/upload, receiving file %s, valid=%s." CR), f.c_str(), validFilename?"yes":"no");
if(upload.status == UPLOAD_FILE_START) {
Log.notice(F("WEB : Start upload." CR) );
if( validFilename )
uploadFile = LittleFS.open( f, "w");
} else if(upload.status == UPLOAD_FILE_WRITE) {
Log.notice(F("WEB : Writing upload." CR) );
if(uploadFile)
uploadFile.write(upload.buf, upload.currentSize); // Write the received bytes to the file
} else if(upload.status == UPLOAD_FILE_END){
Log.notice(F("WEB : Finish upload." CR) );
if(uploadFile) {
uploadFile.close();
Log.notice(F("WEB : File uploaded %d bytes." CR), upload.totalSize);
}
server.sendHeader("Location","/");
server.send(303);
} else {
server.send(500, "text/plain", "Couldn't create file.");
}
}
//
// Callback from webServer when / has been accessed.
//
@ -146,15 +215,15 @@ void webHandleStatus() {
double temp = myTempSensor.getValueCelcius();
double gravity = calculateGravity( angle, temp );
doc[ CFG_PARAM_ID ] = myConfig.getID();
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_TEMP_C ] = reduceFloatPrecision( temp, 1);
doc[ CFG_PARAM_TEMP_F ] = reduceFloatPrecision( myTempSensor.getValueFarenheight(), 1);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
doc[ CFG_PARAM_TEMPFORMAT ] = String( myConfig.getTempFormat() );
doc[ CFG_PARAM_SLEEP_MODE ] = sleepModeAlwaysSkip;
doc[ CFG_PARAM_RSSI ] = WiFi.RSSI();
doc[ CFG_PARAM_ID ] = myConfig.getID();
doc[ CFG_PARAM_ANGLE ] = reduceFloatPrecision( angle);
doc[ CFG_PARAM_GRAVITY ] = reduceFloatPrecision( gravityTemperatureCorrection( gravity, temp ), 4);
doc[ CFG_PARAM_TEMP_C ] = reduceFloatPrecision( temp, 1);
doc[ CFG_PARAM_TEMP_F ] = reduceFloatPrecision( myTempSensor.getValueFarenheight(), 1);
doc[ CFG_PARAM_BATTERY ] = reduceFloatPrecision( myBatteryVoltage.getVoltage());
doc[ CFG_PARAM_TEMPFORMAT ] = String( myConfig.getTempFormat() );
doc[ CFG_PARAM_SLEEP_MODE ] = sleepModeAlwaysSkip;
doc[ CFG_PARAM_RSSI ] = WiFi.RSSI();
#if LOG_LEVEL==6
serializeJson(doc, Serial);
Serial.print( CR );
@ -299,14 +368,46 @@ void webHandleConfigHardware() {
server.send(302, "text/plain", "Hardware config updated" );
}
//
// Helper function to check if files exist on file system.
//
const char* WebServer::getHtmlFileName( HtmlFile item ) {
#if LOG_LEVEL==6
Log.verbose(F("WEB : Looking up filename for %d." CR), item);
#endif
switch( item ) {
case HTML_INDEX:
return "index.min.htm";
case HTML_DEVICE:
return "device.min.htm";
case HTML_CONFIG:
return "config.min.htm";
case HTML_ABOUT:
return "about.min.htm";
}
return "";
}
//
// Helper function to check if files exist on file system.
//
bool WebServer::checkHtmlFile( HtmlFile item ) {
const char *fn = getHtmlFileName( item );
#if LOG_LEVEL==6
Log.verbose(F("WEB : Checking for file %s." CR), fn );
#endif
// TODO: We might need to add more checks here like zero file size etc. But for now we only check if the file exist.
return LittleFS.exists( fn );
}
//
// Setup the Web Server callbacks and start it
//
bool WebServer::setupWebServer() {
#if LOG_LEVEL==6
Log.verbose(F("WEB : Setting up web server." CR));
#endif
Log.notice(F("WEB : Web server setup started." CR));
MDNS.begin( myConfig.getMDNS() );
@ -331,34 +432,53 @@ bool WebServer::setupWebServer() {
} );
#else
// Show files in the filessytem at startup
FSInfo fs;
LittleFS.info(fs);
Log.notice( F("File system: Total=%d, Used=%d." CR), fs.totalBytes, fs.usedBytes );
Log.notice( F("WEB : File system Total=%d, Used=%d." CR), fs.totalBytes, fs.usedBytes );
Dir dir = LittleFS.openDir("/");
while( dir.next() ) {
Log.notice( F("File: %s, %d bytes" CR), dir.fileName().c_str(), dir.fileSize() );
Log.notice( F("WEB : File=%s, %d bytes" CR), dir.fileName().c_str(), dir.fileSize() );
}
server.serveStatic("/", LittleFS, "/index.htm" );
server.serveStatic("/index.htm", LittleFS, "/index.htm" );
server.serveStatic("/device.htm", LittleFS, "/device.htm" );
server.serveStatic("/config.htm", LittleFS, "/config.htm" );
server.serveStatic("/about.htm", LittleFS, "/about.htm" );
// Check if the html files exist, if so serve them, else show the static upload page.
if( checkHtmlFile( HTML_INDEX ) && checkHtmlFile( HTML_DEVICE ) && checkHtmlFile( HTML_CONFIG ) && checkHtmlFile( HTML_ABOUT ) ) {
Log.notice(F("WEB : All html files exist, starting in normal mode." CR));
server.serveStatic("/", LittleFS, "/index.min.htm" );
server.serveStatic("/index.htm", LittleFS, "/index.min.htm" );
server.serveStatic("/device.htm", LittleFS, "/device.min.htm" );
server.serveStatic("/config.htm", LittleFS, "/config.min.htm" );
server.serveStatic("/about.htm", LittleFS, "/about.min.htm" );
// Also add the static upload view in case we we have issues that needs to be fixed.
server.on("/upload.htm",[]() {
server.send_P(200, "text/html", (const char*) gUploadHtmData, gUploadHtmSize );
} );
} else {
Log.error(F("WEB : Missing html files, starting with upload UI." CR));
server.on("/",[]() {
server.send_P(200, "text/html", (const char*) gUploadHtmData, gUploadHtmSize );
} );
}
#endif
// Dynamic content
server.on("/api/config", webHandleConfig); // Get config.json
server.on("/api/device", webHandleDevice); // Get device.json
server.on("/api/calibrate", webHandleCalibrate); // Run calibration routine (param id)
server.on("/api/factory", webHandleFactoryReset); // Reset the device
server.on("/api/status", webHandleStatus); // Get the status.json
server.on("/api/clearwifi", webHandleClearWIFI); // Clear wifi settings
server.on("/api/config", HTTP_GET, webHandleConfig); // Get config.json
server.on("/api/device", HTTP_GET, webHandleDevice); // Get device.json
server.on("/api/calibrate", HTTP_GET, webHandleCalibrate); // Run calibration routine (param id)
server.on("/api/factory", HTTP_GET, webHandleFactoryReset); // Reset the device
server.on("/api/status", HTTP_GET, webHandleStatus); // Get the status.json
server.on("/api/clearwifi", HTTP_GET, webHandleClearWIFI); // Clear wifi settings
server.on("/api/upload", HTTP_GET, webHandleUpload); // Get upload.json
server.on("/api/status/sleepmode", webHandleStatusSleepmode);
server.on("/api/config/device", webHandleConfigDevice);
server.on("/api/config/push", webHandleConfigPush);
server.on("/api/config/gravity", webHandleConfigGravity);
server.on("/api/config/hardware", webHandleConfigHardware);
server.on("/api/upload", HTTP_POST, [](){ server.send(200); }, webHandleUploadFile); // File upload data
server.on("/api/status/sleepmode", HTTP_POST, webHandleStatusSleepmode); // Change sleep mode
server.on("/api/config/device", HTTP_POST, webHandleConfigDevice); // Change device settings
server.on("/api/config/push", HTTP_POST, webHandleConfigPush); // Change push settings
server.on("/api/config/gravity", HTTP_POST, webHandleConfigGravity); // Change gravity settings
server.on("/api/config/hardware", HTTP_POST, webHandleConfigHardware); // Change hardware settings
server.onNotFound( []() {
Log.error(F("WEB : URL not found %s received." CR), server.uri().c_str());