esp8266-nanoleaf-webserver/FSBrowser.h

126 lines
4.0 KiB
C

//holds the current upload
File fsUploadFile;
//format bytes
String formatBytes(size_t bytes){
if (bytes < 1024){
return String(bytes)+"B";
} else if(bytes < (1024 * 1024)){
return String(bytes/1024.0)+"KB";
} else if(bytes < (1024 * 1024 * 1024)){
return String(bytes/1024.0/1024.0)+"MB";
} else {
return String(bytes/1024.0/1024.0/1024.0)+"GB";
}
}
String getContentType(String filename){
if(webServer.hasArg("download")) return "application/octet-stream";
else if(filename.endsWith(".htm")) return "text/html";
else if(filename.endsWith(".html")) return "text/html";
else if(filename.endsWith(".css")) return "text/css";
else if(filename.endsWith(".js")) return "application/javascript";
else if(filename.endsWith(".png")) return "image/png";
else if(filename.endsWith(".gif")) return "image/gif";
else if(filename.endsWith(".jpg")) return "image/jpeg";
else if(filename.endsWith(".ico")) return "image/x-icon";
else if(filename.endsWith(".xml")) return "text/xml";
else if(filename.endsWith(".pdf")) return "application/x-pdf";
else if(filename.endsWith(".zip")) return "application/x-zip";
else if(filename.endsWith(".gz")) return "application/x-gzip";
return "text/plain";
}
bool handleFileRead(String path){
Serial.println("handleFileRead: " + path);
if(path.endsWith("/")) path += "index.htm";
String contentType = getContentType(path);
String pathWithGz = path + ".gz";
if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){
if(SPIFFS.exists(pathWithGz))
path += ".gz";
File file = SPIFFS.open(path, "r");
size_t sent = webServer.streamFile(file, contentType);
file.close();
return true;
}
return false;
}
void handleFileUpload(){
if(webServer.uri() != "/edit") return;
HTTPUpload& upload = webServer.upload();
if(upload.status == UPLOAD_FILE_START){
String filename = upload.filename;
if(!filename.startsWith("/")) filename = "/"+filename;
Serial.print("handleFileUpload Name: "); Serial.println(filename);
fsUploadFile = SPIFFS.open(filename, "w");
filename = String();
} else if(upload.status == UPLOAD_FILE_WRITE){
//Serial.print("handleFileUpload Data: "); Serial.println(upload.currentSize);
if(fsUploadFile)
fsUploadFile.write(upload.buf, upload.currentSize);
} else if(upload.status == UPLOAD_FILE_END){
if(fsUploadFile)
fsUploadFile.close();
Serial.print("handleFileUpload Size: "); Serial.println(upload.totalSize);
}
}
void handleFileDelete(){
if(webServer.args() == 0) return webServer.send(500, "text/plain", "BAD ARGS");
String path = webServer.arg(0);
Serial.println("handleFileDelete: " + path);
if(path == "/")
return webServer.send(500, "text/plain", "BAD PATH");
if(!SPIFFS.exists(path))
return webServer.send(404, "text/plain", "FileNotFound");
SPIFFS.remove(path);
webServer.send(200, "text/plain", "");
path = String();
}
void handleFileCreate(){
if(webServer.args() == 0)
return webServer.send(500, "text/plain", "BAD ARGS");
String path = webServer.arg(0);
Serial.println("handleFileCreate: " + path);
if(path == "/")
return webServer.send(500, "text/plain", "BAD PATH");
if(SPIFFS.exists(path))
return webServer.send(500, "text/plain", "FILE EXISTS");
File file = SPIFFS.open(path, "w");
if(file)
file.close();
else
return webServer.send(500, "text/plain", "CREATE FAILED");
webServer.send(200, "text/plain", "");
path = String();
}
void handleFileList() {
if(!webServer.hasArg("dir")) {webServer.send(500, "text/plain", "BAD ARGS"); return;}
String path = webServer.arg("dir");
Serial.println("handleFileList: " + path);
Dir dir = SPIFFS.openDir(path);
path = String();
String output = "[";
while(dir.next()){
File entry = dir.openFile("r");
if (output != "[") output += ',';
bool isDir = false;
output += "{\"type\":\"";
output += (isDir)?"dir":"file";
output += "\",\"name\":\"";
output += String(entry.name()).substring(1);
output += "\"}";
entry.close();
}
output += "]";
webServer.send(200, "text/json", output);
}