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(server.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 = server.streamFile(file, contentType); file.close(); return true; } return false; } void handleFileUpload(){ if(server.uri() != "/edit") return; HTTPUpload& upload = server.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(server.args() == 0) return server.send(500, "text/plain", "BAD ARGS"); String path = server.arg(0); Serial.println("handleFileDelete: " + path); if(path == "/") return server.send(500, "text/plain", "BAD PATH"); if(!SPIFFS.exists(path)) return server.send(404, "text/plain", "FileNotFound"); SPIFFS.remove(path); server.send(200, "text/plain", ""); path = String(); } void handleFileList() { if(!server.hasArg("dir")) {server.send(500, "text/plain", "BAD ARGS"); return;} String path = server.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 += "]"; server.send(200, "text/json", output); } void handleFileCreate(){ if(server.args() == 0) return server.send(500, "text/plain", "BAD ARGS"); String path = server.arg(0); Serial.println("handleFileCreate: " + path); if(path == "/") return server.send(500, "text/plain", "BAD PATH"); if(SPIFFS.exists(path)) return server.send(500, "text/plain", "FILE EXISTS"); File file = SPIFFS.open(path, "w"); if(file) file.close(); else return server.send(500, "text/plain", "CREATE FAILED"); server.send(200, "text/plain", ""); path = String(); }