|
| 1 | +/* |
| 2 | + FSWebServer - Example WebServer with SPIFFS backend for esp8266 |
| 3 | + Copyright (c) 2015 Hristo Gochkov. All rights reserved. |
| 4 | + This file is part of the ESP8266WebServer library for Arduino environment. |
| 5 | + |
| 6 | + This library is free software; you can redistribute it and/or |
| 7 | + modify it under the terms of the GNU Lesser General Public |
| 8 | + License as published by the Free Software Foundation; either |
| 9 | + version 2.1 of the License, or (at your option) any later version. |
| 10 | + This library is distributed in the hope that it will be useful, |
| 11 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | + Lesser General Public License for more details. |
| 14 | + You should have received a copy of the GNU Lesser General Public |
| 15 | + License along with this library; if not, write to the Free Software |
| 16 | + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | + |
| 18 | + upload the contents of the data folder with MkSPIFFS Tool ("ESP8266 Sketch Data Upload" in Tools menu in Arduino IDE) |
| 19 | + or you can upload the contents of a folder if you CD in that folder and run the following command: |
| 20 | + for file in `ls -A1`; do curl -F "file=@$PWD/$file" esp8266fs.local/edit; done |
| 21 | + |
| 22 | + access the sample web page at http://esp8266fs.local |
| 23 | + edit the page by going to http://esp8266fs.local/edit |
| 24 | +*/ |
| 25 | +#include <ESP8266WiFi.h> |
| 26 | +#include <WiFiClient.h> |
| 27 | +#include <ESP8266WebServer.h> |
| 28 | +#include <ESP8266mDNS.h> |
| 29 | +#include <FS.h> |
| 30 | + |
| 31 | +#define DBG_OUTPUT_PORT Serial |
| 32 | + |
| 33 | +const char* ssid = "wifi-ssid"; |
| 34 | +const char* password = "wifi-password"; |
| 35 | +const char* host = "esp8266fs"; |
| 36 | + |
| 37 | +ESP8266WebServer server(80); |
| 38 | +//holds the current upload |
| 39 | +File fsUploadFile; |
| 40 | + |
| 41 | +//format bytes |
| 42 | +String formatBytes(size_t bytes){ |
| 43 | + if (bytes < 1024){ |
| 44 | + return String(bytes)+"B"; |
| 45 | + } else if(bytes < (1024 * 1024)){ |
| 46 | + return String(bytes/1024.0)+"KB"; |
| 47 | + } else if(bytes < (1024 * 1024 * 1024)){ |
| 48 | + return String(bytes/1024.0/1024.0)+"MB"; |
| 49 | + } else { |
| 50 | + return String(bytes/1024.0/1024.0/1024.0)+"GB"; |
| 51 | + } |
| 52 | +} |
| 53 | + |
| 54 | +String getContentType(String filename){ |
| 55 | + if(server.hasArg("download")) return "application/octet-stream"; |
| 56 | + else if(filename.endsWith(".htm")) return "text/html"; |
| 57 | + else if(filename.endsWith(".html")) return "text/html"; |
| 58 | + else if(filename.endsWith(".css")) return "text/css"; |
| 59 | + else if(filename.endsWith(".js")) return "application/javascript"; |
| 60 | + else if(filename.endsWith(".png")) return "image/png"; |
| 61 | + else if(filename.endsWith(".gif")) return "image/gif"; |
| 62 | + else if(filename.endsWith(".jpg")) return "image/jpeg"; |
| 63 | + else if(filename.endsWith(".ico")) return "image/x-icon"; |
| 64 | + else if(filename.endsWith(".xml")) return "text/xml"; |
| 65 | + else if(filename.endsWith(".pdf")) return "application/x-pdf"; |
| 66 | + else if(filename.endsWith(".zip")) return "application/x-zip"; |
| 67 | + else if(filename.endsWith(".gz")) return "application/x-gzip"; |
| 68 | + return "text/plain"; |
| 69 | +} |
| 70 | + |
| 71 | +bool handleFileRead(String path){ |
| 72 | + DBG_OUTPUT_PORT.println("handleFileRead: " + path); |
| 73 | + if(path.endsWith("/")) path += "index.htm"; |
| 74 | + String contentType = getContentType(path); |
| 75 | + String pathWithGz = path + ".gz"; |
| 76 | + if(SPIFFS.exists(pathWithGz) || SPIFFS.exists(path)){ |
| 77 | + if(SPIFFS.exists(pathWithGz)) |
| 78 | + path += ".gz"; |
| 79 | + File file = SPIFFS.open(path, "r"); |
| 80 | + size_t sent = server.streamFile(file, contentType); |
| 81 | + file.close(); |
| 82 | + return true; |
| 83 | + } |
| 84 | + return false; |
| 85 | +} |
| 86 | + |
| 87 | +void handleFileUpload(){ |
| 88 | + if(server.uri() != "/edit") return; |
| 89 | + HTTPUpload& upload = server.upload(); |
| 90 | + if(upload.status == UPLOAD_FILE_START){ |
| 91 | + String filename = upload.filename; |
| 92 | + if(!filename.startsWith("/")) filename = "/"+filename; |
| 93 | + DBG_OUTPUT_PORT.print("handleFileUpload Name: "); DBG_OUTPUT_PORT.println(filename); |
| 94 | + fsUploadFile = SPIFFS.open(filename, "w"); |
| 95 | + filename = String(); |
| 96 | + } else if(upload.status == UPLOAD_FILE_WRITE){ |
| 97 | + //DBG_OUTPUT_PORT.print("handleFileUpload Data: "); DBG_OUTPUT_PORT.println(upload.currentSize); |
| 98 | + if(fsUploadFile) |
| 99 | + fsUploadFile.write(upload.buf, upload.currentSize); |
| 100 | + } else if(upload.status == UPLOAD_FILE_END){ |
| 101 | + if(fsUploadFile) |
| 102 | + fsUploadFile.close(); |
| 103 | + DBG_OUTPUT_PORT.print("handleFileUpload Size: "); DBG_OUTPUT_PORT.println(upload.totalSize); |
| 104 | + } |
| 105 | +} |
| 106 | + |
| 107 | +void handleFileDelete(){ |
| 108 | + if(server.args() == 0) return server.send(500, "text/plain", "BAD ARGS"); |
| 109 | + String path = server.arg(0); |
| 110 | + DBG_OUTPUT_PORT.println("handleFileDelete: " + path); |
| 111 | + if(path == "/") |
| 112 | + return server.send(500, "text/plain", "BAD PATH"); |
| 113 | + if(!SPIFFS.exists(path)) |
| 114 | + return server.send(404, "text/plain", "FileNotFound"); |
| 115 | + SPIFFS.remove(path); |
| 116 | + server.send(200, "text/plain", ""); |
| 117 | + path = String(); |
| 118 | +} |
| 119 | + |
| 120 | +void handleFileCreate(){ |
| 121 | + if(server.args() == 0) |
| 122 | + return server.send(500, "text/plain", "BAD ARGS"); |
| 123 | + String path = server.arg(0); |
| 124 | + DBG_OUTPUT_PORT.println("handleFileCreate: " + path); |
| 125 | + if(path == "/") |
| 126 | + return server.send(500, "text/plain", "BAD PATH"); |
| 127 | + if(SPIFFS.exists(path)) |
| 128 | + return server.send(500, "text/plain", "FILE EXISTS"); |
| 129 | + File file = SPIFFS.open(path, "w"); |
| 130 | + if(file) |
| 131 | + file.close(); |
| 132 | + else |
| 133 | + return server.send(500, "text/plain", "CREATE FAILED"); |
| 134 | + server.send(200, "text/plain", ""); |
| 135 | + path = String(); |
| 136 | +} |
| 137 | + |
| 138 | +void handleFileList() { |
| 139 | + if(!server.hasArg("dir")) {server.send(500, "text/plain", "BAD ARGS"); return;} |
| 140 | + |
| 141 | + String path = server.arg("dir"); |
| 142 | + DBG_OUTPUT_PORT.println("handleFileList: " + path); |
| 143 | + Dir dir = SPIFFS.openDir(path); |
| 144 | + path = String(); |
| 145 | + |
| 146 | + String output = "["; |
| 147 | + while(dir.next()){ |
| 148 | + File entry = dir.openFile("r"); |
| 149 | + if (output != "[") output += ','; |
| 150 | + bool isDir = false; |
| 151 | + output += "{\"type\":\""; |
| 152 | + output += (isDir)?"dir":"file"; |
| 153 | + output += "\",\"name\":\""; |
| 154 | + output += String(entry.name()).substring(1); |
| 155 | + output += "\"}"; |
| 156 | + entry.close(); |
| 157 | + } |
| 158 | + |
| 159 | + output += "]"; |
| 160 | + server.send(200, "text/json", output); |
| 161 | +} |
| 162 | + |
| 163 | +void setup(void){ |
| 164 | + DBG_OUTPUT_PORT.begin(115200); |
| 165 | + DBG_OUTPUT_PORT.print("\n"); |
| 166 | + DBG_OUTPUT_PORT.setDebugOutput(true); |
| 167 | + SPIFFS.begin(); |
| 168 | + { |
| 169 | + Dir dir = SPIFFS.openDir("/"); |
| 170 | + while (dir.next()) { |
| 171 | + String fileName = dir.fileName(); |
| 172 | + size_t fileSize = dir.fileSize(); |
| 173 | + DBG_OUTPUT_PORT.printf("FS File: %s, size: %s\n", fileName.c_str(), formatBytes(fileSize).c_str()); |
| 174 | + } |
| 175 | + DBG_OUTPUT_PORT.printf("\n"); |
| 176 | + } |
| 177 | + |
| 178 | + |
| 179 | + //WIFI INIT |
| 180 | + DBG_OUTPUT_PORT.printf("Connecting to %s\n", ssid); |
| 181 | + if (String(WiFi.SSID()) != String(ssid)) { |
| 182 | + WiFi.begin(ssid, password); |
| 183 | + } |
| 184 | + |
| 185 | + while (WiFi.status() != WL_CONNECTED) { |
| 186 | + delay(500); |
| 187 | + DBG_OUTPUT_PORT.print("."); |
| 188 | + } |
| 189 | + DBG_OUTPUT_PORT.println(""); |
| 190 | + DBG_OUTPUT_PORT.print("Connected! IP address: "); |
| 191 | + DBG_OUTPUT_PORT.println(WiFi.localIP()); |
| 192 | + |
| 193 | + MDNS.begin(host); |
| 194 | + DBG_OUTPUT_PORT.print("Open http://"); |
| 195 | + DBG_OUTPUT_PORT.print(host); |
| 196 | + DBG_OUTPUT_PORT.println(".local/edit to see the file browser"); |
| 197 | + |
| 198 | + |
| 199 | + //SERVER INIT |
| 200 | + //list directory |
| 201 | + server.on("/list", HTTP_GET, handleFileList); |
| 202 | + //load editor |
| 203 | + server.on("/edit", HTTP_GET, [](){ |
| 204 | + if(!handleFileRead("/edit.htm")) server.send(404, "text/plain", "FileNotFound"); |
| 205 | + }); |
| 206 | + //create file |
| 207 | + server.on("/edit", HTTP_PUT, handleFileCreate); |
| 208 | + //delete file |
| 209 | + server.on("/edit", HTTP_DELETE, handleFileDelete); |
| 210 | + //called after file upload |
| 211 | + server.on("/edit", HTTP_POST, [](){ server.send(200, "text/plain", ""); }); |
| 212 | + //called when a file is received inside POST data |
| 213 | + server.onFileUpload(handleFileUpload); |
| 214 | + |
| 215 | + //called when the url is not defined here |
| 216 | + //use it to load content from SPIFFS |
| 217 | + server.onNotFound([](){ |
| 218 | + if(!handleFileRead(server.uri())) |
| 219 | + server.send(404, "text/plain", "FileNotFound"); |
| 220 | + }); |
| 221 | + |
| 222 | + //get heap status, analog input value and all GPIO statuses in one json call |
| 223 | + server.on("/all", HTTP_GET, [](){ |
| 224 | + String json = "{"; |
| 225 | + json += "\"heap\":"+String(ESP.getFreeHeap()); |
| 226 | + json += ", \"analog\":"+String(analogRead(A0)); |
| 227 | + json += ", \"gpio\":"+String((uint32_t)(((GPI | GPO) & 0xFFFF) | ((GP16I & 0x01) << 16))); |
| 228 | + json += "}"; |
| 229 | + server.send(200, "text/json", json); |
| 230 | + json = String(); |
| 231 | + }); |
| 232 | + server.begin(); |
| 233 | + DBG_OUTPUT_PORT.println("HTTP server started"); |
| 234 | + |
| 235 | +} |
| 236 | + |
| 237 | +void loop(void){ |
| 238 | + server.handleClient(); |
| 239 | +} |
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