diff options
Diffstat (limited to 'captive_portal.cpp')
-rw-r--r-- | captive_portal.cpp | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/captive_portal.cpp b/captive_portal.cpp new file mode 100644 index 0000000..e00e7cc --- /dev/null +++ b/captive_portal.cpp @@ -0,0 +1,160 @@ +#include "captive_portal.h" +#include "esphome/core/log.h" +#include "esphome/core/application.h" +#include "esphome/components/wifi/wifi_component.h" + +namespace esphome { +namespace captive_portal { + +static const char *const TAG = "captive_portal"; + +void CaptivePortal::handle_index(AsyncWebServerRequest *request) { + AsyncResponseStream *stream = request->beginResponseStream("text/html"); + stream->print(F("<!DOCTYPE html><html lang=\"en\"><head><meta charset=\"UTF-8\"><meta name=\"viewport\" " + "content=\"width=device-width,initial-scale=1,user-scalable=no\"/><title>")); + stream->print(App.get_name().c_str()); + stream->print(F("</title><link rel=\"stylesheet\" href=\"/stylesheet.css\">")); + stream->print(F("<script>function c(l){document.getElementById('ssid').value=l.innerText||l.textContent; " + "document.getElementById('psk').focus();}</script>")); + stream->print(F("</head>")); + stream->print(F("<body><div class=\"main\"><h1>WiFi Networks</h1>")); + + if (request->hasArg("save")) { + stream->print(F("<div class=\"info\">The ESP will now try to connect to the network...<br/>Please give it some " + "time to connect.<br/>Note: Copy the changed network to your YAML file - the next OTA update will " + "overwrite these settings.</div>")); + } + + for (auto &scan : wifi::global_wifi_component->get_scan_result()) { + if (scan.get_is_hidden()) + continue; + + stream->print(F("<div class=\"network\" onclick=\"c(this)\"><a href=\"#\" class=\"network-left\">")); + + if (scan.get_rssi() >= -50) { + stream->print(F("<img src=\"/wifi-strength-4.svg\">")); + } else if (scan.get_rssi() >= -65) { + stream->print(F("<img src=\"/wifi-strength-3.svg\">")); + } else if (scan.get_rssi() >= -85) { + stream->print(F("<img src=\"/wifi-strength-2.svg\">")); + } else { + stream->print(F("<img src=\"/wifi-strength-1.svg\">")); + } + + stream->print(F("<span class=\"network-ssid\">")); + stream->print(scan.get_ssid().c_str()); + stream->print(F("</span></a>")); + if (scan.get_with_auth()) { + stream->print(F("<img src=\"/lock.svg\">")); + } + stream->print(F("</div>")); + } + + stream->print(F("<h3>WiFi Settings</h3><form method=\"GET\" action=\"/wifisave\"><input id=\"ssid\" name=\"ssid\" " + "length=32 placeholder=\"SSID\"><br/><input id=\"psk\" name=\"psk\" length=64 type=\"password\" " + "placeholder=\"Password\"><br/><br/><button type=\"submit\">Save</button></form><br><hr><br>")); + + // KAUF edit + // add warning about not flashing tasmota-minimal. + stream->print(F("<h1>OTA Update: </h1>" + "<br />**** DO NOT USE <b>TASMOTA-MINIMAL</b>.BIN or .BIN.GZ. **** Use tasmota.bin.gz." + "<form method=\"POST\" action=\"/update\" enctype=\"multipart/form-data\"><input " + "type=\"file\" name=\"update\"><button type=\"submit\">Update</button></form>")); + // KAUF edit end + + stream->print(F("</div></body></html>")); + request->send(stream); +} +void CaptivePortal::handle_wifisave(AsyncWebServerRequest *request) { + std::string ssid = request->arg("ssid").c_str(); + std::string psk = request->arg("psk").c_str(); + ESP_LOGI(TAG, "Captive Portal Requested WiFi Settings Change:"); + ESP_LOGI(TAG, " SSID='%s'", ssid.c_str()); + ESP_LOGI(TAG, " Password=" LOG_SECRET("'%s'"), psk.c_str()); + wifi::global_wifi_component->save_wifi_sta(ssid, psk); + request->redirect("/?save=true"); +} + +void CaptivePortal::setup() {} +void CaptivePortal::start() { + this->base_->init(); + if (!this->initialized_) { + this->base_->add_handler(this); + this->base_->add_ota_handler(); + } + + this->dns_server_ = new DNSServer(); + this->dns_server_->setErrorReplyCode(DNSReplyCode::NoError); + IPAddress ip = wifi::global_wifi_component->wifi_soft_ap_ip(); + this->dns_server_->start(53, "*", ip); + + this->base_->get_server()->onNotFound([this](AsyncWebServerRequest *req) { + bool not_found = false; + if (!this->active_) { + not_found = true; + } else if (req->host() == wifi::global_wifi_component->wifi_soft_ap_ip().toString()) { + not_found = true; + } + + if (not_found) { + req->send(404, "text/html", "File not found"); + return; + } + + auto url = "http://" + wifi::global_wifi_component->wifi_soft_ap_ip().toString(); + req->redirect(url); + }); + + this->initialized_ = true; + this->active_ = true; +} + +const char STYLESHEET_CSS[] PROGMEM = + R"(*{box-sizing:inherit}div,input{padding:5px;font-size:1em}input{width:95%}body{text-align:center;font-family:sans-serif}button{border:0;border-radius:.3rem;background-color:#1fa3ec;color:#fff;line-height:2.4rem;font-size:1.2rem;width:100%;padding:0}.main{text-align:left;display:inline-block;min-width:260px}.network{display:flex;justify-content:space-between;align-items:center}.network-left{display:flex;align-items:center}.network-ssid{margin-bottom:-7px;margin-left:10px}.info{border:1px solid;margin:10px 0;padding:15px 10px;color:#4f8a10;background-color:#dff2bf})"; +const char LOCK_SVG[] PROGMEM = + R"(<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24"><path d="M12 17a2 2 0 0 0 2-2 2 2 0 0 0-2-2 2 2 0 0 0-2 2 2 2 0 0 0 2 2m6-9a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V10a2 2 0 0 1 2-2h1V6a5 5 0 0 1 5-5 5 5 0 0 1 5 5v2h1m-6-5a3 3 0 0 0-3 3v2h6V6a3 3 0 0 0-3-3z"/></svg>)"; + +void CaptivePortal::handleRequest(AsyncWebServerRequest *req) { + if (req->url() == "/") { + this->handle_index(req); + return; + } else if (req->url() == "/wifisave") { + this->handle_wifisave(req); + return; + } else if (req->url() == "/stylesheet.css") { + req->send_P(200, "text/css", STYLESHEET_CSS); + return; + } else if (req->url() == "/lock.svg") { + req->send_P(200, "image/svg+xml", LOCK_SVG); + return; + } + + AsyncResponseStream *stream = req->beginResponseStream("image/svg+xml"); + stream->print(F("<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"24\" height=\"24\"><path d=\"M12 3A18.9 18.9 0 0 " + "0 .38 7C4.41 12.06 7.89 16.37 12 21.5L23.65 7C20.32 4.41 16.22 3 12 ")); + if (req->url() == "/wifi-strength-4.svg") { + stream->print(F("3z")); + } else { + if (req->url() == "/wifi-strength-1.svg") { + stream->print(F("3m0 2c3.07 0 6.09.86 8.71 2.45l-5.1 6.36a8.43 8.43 0 0 0-7.22-.01L3.27 7.4")); + } else if (req->url() == "/wifi-strength-2.svg") { + stream->print(F("3m0 2c3.07 0 6.09.86 8.71 2.45l-3.21 3.98a11.32 11.32 0 0 0-11 0L3.27 7.4")); + } else if (req->url() == "/wifi-strength-3.svg") { + stream->print(F("3m0 2c3.07 0 6.09.86 8.71 2.45l-1.94 2.43A13.6 13.6 0 0 0 12 8C9 8 6.68 9 5.21 9.84l-1.94-2.")); + } + stream->print(F("4A16.94 16.94 0 0 1 12 5z")); + } + stream->print(F("\"/></svg>")); + req->send(stream); +} +CaptivePortal::CaptivePortal(web_server_base::WebServerBase *base) : base_(base) { global_captive_portal = this; } +float CaptivePortal::get_setup_priority() const { + // Before WiFi + return setup_priority::WIFI + 1.0f; +} +void CaptivePortal::dump_config() { ESP_LOGCONFIG(TAG, "Captive Portal:"); } + +CaptivePortal *global_captive_portal = nullptr; // NOLINT(cppcoreguidelines-avoid-non-const-global-variables) + +} // namespace captive_portal +} // namespace esphome |