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MeshCoreTel-firmware/src/helpers/mqtt/MQTTUplink.cpp
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#include "MQTTUplink.h"
#include "MQTTCaCerts.h"
#include "WebPanelCert.h"
#ifdef WITH_MQTT_UPLINK
#if defined(ESP_PLATFORM)
#include <helpers/ESP32Board.h>
#include <WiFi.h>
#include <WiFiClientSecure.h>
#include <esp_idf_version.h>
#include <esp_heap_caps.h>
#include <esp_system.h>
#include <esp_sntp.h>
#include <helpers/TxtDataHelpers.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#ifndef FIRMWARE_VERSION
#define FIRMWARE_VERSION "v1.14.1"
#endif
#ifndef FIRMWARE_BUILD_DATE
#define FIRMWARE_BUILD_DATE "20 Mar 2026"
#endif
#ifndef CLIENT_VERSION
#define CLIENT_VERSION "eastmesh-repeater-mqtt"
#endif
#ifndef MQTT_DEBUG
#define MQTT_DEBUG 0
#endif
#if MQTT_DEBUG
#define LOG_CAT(tag, fmt, ...) Serial.printf("[" tag "] " fmt "\n", ##__VA_ARGS__)
#define WIFI_LOG(fmt, ...) LOG_CAT("WIFI", fmt, ##__VA_ARGS__)
#define WEB_LOG(fmt, ...) LOG_CAT("WEB", fmt, ##__VA_ARGS__)
#define TIME_LOG(fmt, ...) LOG_CAT("TIME", fmt, ##__VA_ARGS__)
#define MQTT_LOG(fmt, ...) LOG_CAT("MQTT", fmt, ##__VA_ARGS__)
#else
#define LOG_CAT(...) do { } while (0)
#define WIFI_LOG(...) do { } while (0)
#define WEB_LOG(...) do { } while (0)
#define TIME_LOG(...) do { } while (0)
#define MQTT_LOG(...) do { } while (0)
#endif
namespace {
constexpr unsigned long kWifiStartupDelayMillis = 750;
constexpr unsigned long kWifiRetryMillis = 15000;
constexpr unsigned long kWifiConnectTimeoutMillis = 45000;
constexpr unsigned long kBrokerRetryMillis = 10000;
constexpr time_t kTokenLifetimeSecs = 3600;
constexpr time_t kTokenRefreshSlackSecs = 300;
constexpr time_t kMinSaneEpoch = 1735689600; // 2025-01-01T00:00:00Z
constexpr size_t kWebServerStackSize = 8192;
constexpr size_t kWebPasswordBufferSize = 80;
constexpr size_t kWebCommandBufferSize = 192;
constexpr size_t kWebReplyBufferSize = 256;
char* allocScratchBuffer(size_t size) {
void* ptr = heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
if (ptr == nullptr) {
ptr = heap_caps_malloc(size, MALLOC_CAP_8BIT);
}
return static_cast<char*>(ptr);
}
void freeScratchBuffer(void* ptr) {
if (ptr != nullptr) {
heap_caps_free(ptr);
}
}
const char kWebPanelHtml[] PROGMEM = R"HTML(
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>Repeater Config</title>
<style>
:root {
color-scheme: light;
--accent:#1f9d5c;
--accent-hover:#27b86d;
--background:#f2f7f3;
--text:#163222;
--text-muted:#5f7d69;
--border:#d6e6db;
--surface1:#ffffff;
--surface2:#f8fcf9;
--card-bg:#ffffff;
--input-bg:#ffffff;
--terminal-bg:#f8fcf9;
--terminal-border:#d6e6db;
--terminal-cmd:#1f9d5c;
--status-red:#c94a4a;
--button-text:#ffffff;
--button-secondary-text:#163222;
}
:root[data-theme="dark"] {
color-scheme: dark;
--accent:#1fb874;
--accent-hover:#2edc8f;
--background:#080b09;
--text:#c6e3d2;
--text-muted:#789a88;
--border:#1c2a22;
--surface1:#0d120f;
--surface2:#131914;
--card-bg:#0d120f;
--input-bg:#101612;
--terminal-bg:#080b09;
--terminal-border:#1c2a22;
--terminal-cmd:#8fd3ff;
--status-red:#d45a5a;
--button-text:#08110b;
--button-secondary-text:#c6e3d2;
}
html { min-height:100%; background:linear-gradient(180deg,var(--background),var(--surface2)); background-repeat:no-repeat; background-attachment:fixed; }
body { min-height:100vh; margin:0; font:16px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace; background:transparent; color:var(--text); transition:background .2s ease,color .2s ease; }
main { max-width:920px; margin:0 auto; padding:24px; }
.theme-fab { position:fixed; top:18px; right:18px; width:48px; height:48px; border-radius:999px; display:flex; align-items:center; justify-content:center; z-index:20; box-shadow:0 12px 28px rgba(0,0,0,.18); font-size:22px; line-height:1; }
.card { background:var(--card-bg); border:1px solid var(--border); border-radius:14px; padding:18px; margin-bottom:18px; }
h1,h2,h3 { margin:0 0 12px; font-size:18px; }
p { color:var(--text-muted); margin:8px 0 0; }
input, textarea, button, select { width:100%; box-sizing:border-box; border-radius:10px; border:1px solid var(--border); background:var(--input-bg); color:var(--text); padding:12px; font:inherit; }
textarea { min-height:100px; resize:vertical; }
button { width:auto; cursor:pointer; background:var(--accent); color:var(--button-text); border:none; font-weight:700; transition:background .2s ease,color .2s ease,border-color .2s ease; }
button:hover { background:var(--accent-hover); }
.row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.row3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.quick { display:flex; flex-wrap:wrap; gap:10px; }
.quick button, .iconbtn, .themebtn { background:var(--surface2); color:var(--button-secondary-text); border:1px solid var(--border); }
.quick button:hover, .iconbtn:hover, .themebtn:hover { background:var(--surface1); }
.stack { display:grid; gap:12px; }
.label { font-size:12px; color:var(--text-muted); margin-bottom:6px; display:block; }
.fieldline { display:grid; grid-template-columns:1fr auto; gap:8px; align-items:center; }
.iconbtn { width:44px; padding:12px 0; }
.themebtn { padding:10px 14px; }
#app { display:none; }
#status { white-space:pre-wrap; color:var(--text-muted); min-height:1.4em; }
.terminal { background:var(--terminal-bg); border:1px solid var(--terminal-border); border-radius:12px; padding:14px; min-height:180px; max-height:320px; overflow:auto; font:14px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace; }
.term-entry { margin:0 0 12px; }
.term-cmd { color:var(--terminal-cmd); }
.term-out { white-space:pre-wrap; color:var(--text); }
.term-out.err { color:var(--status-red); }
</style>
</head>
<body>
<main>
<button id="themeToggle" class="themebtn theme-fab" aria-label="Toggle theme" title="Toggle theme">☾</button>
<section class="card" id="login">
<h1>Repeater Config</h1>
<p>Use the repeater admin password to unlock the command console. Accept the self-signed certificate warning in your browser first.</p>
<div class="row" style="margin-top:14px">
<input id="password" type="password" placeholder="Admin password">
<button id="loginBtn">Unlock</button>
</div>
<div id="status"></div>
</section>
<section class="card" id="app">
<h2>Run CLI Command</h2>
<div class="row">
<input id="command" placeholder="get mqtt.status">
<button id="runBtn">Run</button>
</div>
<p>Only the allowlisted commands exposed by this panel will run here.</p>
<div id="reply" class="terminal"></div>
</section>
<section class="card" id="app2" style="display:none">
<h2>Quick Commands</h2>
<div class="stack">
<div>
<span class="label">WiFi</span>
<div class="quick">
<button data-cmd="get wifi.status">wifi.status</button>
<button data-cmd="get wifi.powersaving">wifi.powersaving</button>
</div>
</div>
<div>
<span class="label">MQTT</span>
<div class="quick">
<button data-cmd="get mqtt.status">mqtt.status</button>
<button data-cmd="get mqtt.iata">mqtt.iata</button>
<button data-cmd="get mqtt.owner">mqtt.owner</button>
<button data-cmd="get mqtt.email">mqtt.email</button>
</div>
</div>
</div>
</section>
<section class="card" id="app3" style="display:none">
<h2>Web Forms</h2>
<div class="stack">
<div class="row">
<div>
<label class="label" for="nodeName">Device Name</label>
<div class="fieldline">
<input id="nodeName" placeholder="MeshCore-HOWL">
<button class="iconbtn" data-load-cmd="get name" data-load-input="nodeName" title="Refresh device name">&#8635;</button>
</div>
</div>
<div style="align-self:end">
<button data-prefix="set name " data-input="nodeName">Save name</button>
</div>
</div>
<div class="row">
<div>
<label class="label" for="nodeLat">Latitude</label>
<div class="fieldline">
<input id="nodeLat" placeholder="-37.8136">
<button class="iconbtn" data-load-cmd="get lat" data-load-input="nodeLat" title="Refresh latitude">&#8635;</button>
</div>
</div>
<div>
<label class="label" for="nodeLon">Longitude</label>
<div class="fieldline">
<input id="nodeLon" placeholder="144.9631">
<button class="iconbtn" data-load-cmd="get lon" data-load-input="nodeLon" title="Refresh longitude">&#8635;</button>
</div>
</div>
</div>
<div class="quick">
<button data-prefix="set lat " data-input="nodeLat">Save latitude</button>
<button data-prefix="set lon " data-input="nodeLon">Save longitude</button>
</div>
<div class="row">
<div>
<label class="label" for="guestPassword">Guest Password</label>
<input id="guestPassword" type="password" placeholder="new guest password">
</div>
</div>
<div class="quick">
<button data-prefix="set guest.password " data-input="guestPassword">Save guest password</button>
</div>
<div>
<label class="label" for="privateKey">Private Key</label>
<input id="privateKey" placeholder="64-hex-char private key">
<p>Changing the private key requires a reboot to apply.</p>
<button data-prefix="set prv.key " data-input="privateKey">Save private key</button>
</div>
<div class="row3">
<div>
<label class="label" for="advertInterval">Advert Interval (minutes)</label>
<div class="fieldline">
<input id="advertInterval" placeholder="2">
<button class="iconbtn" data-load-cmd="get advert.interval" data-load-input="advertInterval" title="Refresh advert interval">&#8635;</button>
</div>
</div>
<div>
<label class="label" for="floodInterval">Flood Interval (hours)</label>
<div class="fieldline">
<input id="floodInterval" placeholder="12">
<button class="iconbtn" data-load-cmd="get flood.advert.interval" data-load-input="floodInterval" title="Refresh flood interval">&#8635;</button>
</div>
</div>
<div>
<label class="label" for="floodMax">Flood Max</label>
<div class="fieldline">
<input id="floodMax" placeholder="64">
<button class="iconbtn" data-load-cmd="get flood.max" data-load-input="floodMax" title="Refresh flood max">&#8635;</button>
</div>
</div>
</div>
<div class="quick">
<button data-prefix="set advert.interval " data-input="advertInterval">Save advert interval</button>
<button data-prefix="set flood.advert.interval " data-input="floodInterval">Save flood interval</button>
<button data-prefix="set flood.max " data-input="floodMax">Save flood max</button>
</div>
<div>
<label class="label" for="ownerInfo">Owner Info</label>
<div class="fieldline">
<textarea id="ownerInfo" placeholder="Free text shown in owner info"></textarea>
<button class="iconbtn" data-load-cmd="get owner.info" data-load-input="ownerInfo" data-load-format="multiline" title="Refresh owner info">&#8635;</button>
</div>
<button id="saveOwnerInfo">Save owner info</button>
</div>
</div>
</section>
<section class="card" id="app4" style="display:none">
<h2>Actions</h2>
<div class="quick">
<button id="advertBtn">Advert</button>
<button id="rebootBtn">Reboot</button>
<button id="otaBtn">Start OTA</button>
<button id="logoutBtn" class="themebtn">Logout</button>
</div>
</section>
</main>
<script>
let token = "";
const statusEl = document.getElementById("status");
const replyEl = document.getElementById("reply");
const themeToggleEl = document.getElementById("themeToggle");
const rootEl = document.documentElement;
function getPreferredTheme() {
const saved = localStorage.getItem("repeater-theme");
if (saved === "light" || saved === "dark") return saved;
return window.matchMedia("(prefers-color-scheme: dark)").matches ? "dark" : "light";
}
function applyTheme(theme) {
rootEl.dataset.theme = theme;
themeToggleEl.textContent = theme === "dark" ? "☀" : "☾";
themeToggleEl.title = theme === "dark" ? "Switch to light mode" : "Switch to dark mode";
themeToggleEl.setAttribute("aria-label", themeToggleEl.title);
}
function toggleTheme() {
const next = rootEl.dataset.theme === "dark" ? "light" : "dark";
localStorage.setItem("repeater-theme", next);
applyTheme(next);
}
applyTheme(getPreferredTheme());
themeToggleEl.onclick = toggleTheme;
function appendHistory(cmd, text, ok) {
const entry = document.createElement("div");
entry.className = "term-entry";
const cmdLine = document.createElement("div");
cmdLine.className = "term-cmd";
cmdLine.textContent = "> " + cmd;
const outLine = document.createElement("div");
outLine.className = "term-out" + (ok ? "" : " err");
outLine.textContent = text && text.length ? text : "OK";
entry.appendChild(cmdLine);
entry.appendChild(outLine);
replyEl.appendChild(entry);
replyEl.scrollTop = replyEl.scrollHeight;
}
function parseReplyValue(text) {
return (text || "").replace(/^>\s*/, "").trim();
}
function showAuthedUi(show) {
document.getElementById("login").style.display = show ? "none" : "block";
document.getElementById("app").style.display = show ? "block" : "none";
document.getElementById("app2").style.display = show ? "block" : "none";
document.getElementById("app3").style.display = show ? "block" : "none";
document.getElementById("app4").style.display = show ? "block" : "none";
if (!show) {
document.getElementById("password").value = "";
statusEl.textContent = "";
}
}
async function runCommand(cmd) {
if (!token) return { ok:false, text:"" };
document.getElementById("command").value = cmd;
const res = await fetch("/api/command", { method:"POST", headers:{ "X-Auth-Token": token }, body: cmd });
const text = await res.text();
appendHistory(cmd, text, res.ok);
return { ok:res.ok, text };
}
function runPrefixed(prefix, inputId) {
const value = document.getElementById(inputId).value;
runCommand(prefix + value);
}
async function loadField(cmd, inputId, format) {
const result = await runCommand(cmd);
if (!result.ok) return;
let value = parseReplyValue(result.text);
if (format === "multiline") {
value = value.replace(/\|/g, "\n");
}
document.getElementById(inputId).value = value;
}
document.getElementById("loginBtn").onclick = async () => {
const pwd = document.getElementById("password").value;
const res = await fetch("/login", { method:"POST", body: pwd });
const text = await res.text();
if (!res.ok) {
statusEl.textContent = text || "Access denied";
return;
}
token = text.trim();
showAuthedUi(true);
await loadField("get name", "nodeName");
};
document.getElementById("password").addEventListener("keydown", (event) => {
if (event.key === "Enter") {
event.preventDefault();
document.getElementById("loginBtn").click();
}
});
document.getElementById("runBtn").onclick = () => runCommand(document.getElementById("command").value);
document.querySelectorAll("[data-cmd]").forEach((btn) => btn.onclick = () => runCommand(btn.dataset.cmd));
document.querySelectorAll("[data-prefix]").forEach((btn) => btn.onclick = () => runPrefixed(btn.dataset.prefix, btn.dataset.input));
document.querySelectorAll("[data-load-cmd]").forEach((btn) => btn.onclick = () => loadField(btn.dataset.loadCmd, btn.dataset.loadInput, btn.dataset.loadFormat));
document.getElementById("saveOwnerInfo").onclick = () => {
const value = document.getElementById("ownerInfo").value.replace(/\n/g, "|");
runCommand("set owner.info " + value);
};
document.getElementById("rebootBtn").onclick = async () => {
if (confirm("Reboot the repeater now?")) {
await runCommand("reboot");
}
};
document.getElementById("advertBtn").onclick = async () => {
if (confirm("Send an advert now?")) {
await runCommand("advert");
}
};
document.getElementById("otaBtn").onclick = async () => {
if (confirm("Start OTA mode now?")) {
await runCommand("start ota");
}
};
document.getElementById("logoutBtn").onclick = () => {
token = "";
showAuthedUi(false);
};
showAuthedUi(false);
</script>
</body>
</html>
)HTML";
const char* getWifiStateLabel(const MQTTPrefs& prefs, bool wifi_started) {
if (prefs.wifi_ssid[0] == 0) {
return "off";
}
wl_status_t status = WiFi.status();
if (status == WL_CONNECTED) {
return "up";
}
if (wifi_started) {
return "conn";
}
return "down";
}
}
const MQTTUplink::BrokerSpec MQTTUplink::kBrokerSpecs[3] = {
{"eastmesh-au", "eastmesh-au", "mqtt2.eastmesh.au", "wss://mqtt2.eastmesh.au:443/mqtt", kEastmeshBit},
{"letsmesh-eu", "letsmesh-eu", "mqtt-eu-v1.letsmesh.net", "wss://mqtt-eu-v1.letsmesh.net:443/mqtt",
kLetsmeshEuBit},
{"letsmesh-us", "letsmesh-us", "mqtt-us-v1.letsmesh.net", "wss://mqtt-us-v1.letsmesh.net:443/mqtt",
kLetsmeshUsBit},
};
MQTTUplink::MQTTUplink(mesh::RTCClock& rtc, mesh::LocalIdentity& identity)
: _fs(nullptr), _rtc(&rtc), _identity(&identity), _running(false), _wifi_started(false), _sntp_started(false),
_have_time_sync(false), _wifi_sta_started_at(0), _last_wifi_attempt(0), _last_status_publish(0), _last_status{},
_node_name(nullptr),
_web_runner(nullptr), _web_server(nullptr) {
memset(_device_id, 0, sizeof(_device_id));
memset(_web_token, 0, sizeof(_web_token));
_web_route_context.self = this;
MQTTPrefsStore::setDefaults(_prefs);
for (size_t i = 0; i < 3; ++i) {
memset(&_brokers[i], 0, sizeof(_brokers[i]));
_brokers[i].spec = &kBrokerSpecs[i];
}
MQTT_LOG("uplink init");
}
bool MQTTUplink::savePrefs() {
return MQTTPrefsStore::save(_fs, _prefs);
}
bool MQTTUplink::hasEnabledBroker() const {
return (_prefs.enabled_mask & 0x07) != 0;
}
bool MQTTUplink::isActive() const {
return _running && hasEnabledBroker();
}
void MQTTUplink::reconnectWifi() {
WIFI_LOG("reset");
stopWebServer();
for (BrokerState& broker : _brokers) {
destroyBroker(broker);
}
if (_wifi_started) {
WiFi.disconnect(true, true);
WiFi.mode(WIFI_OFF);
}
_wifi_started = false;
_sntp_started = false;
_have_time_sync = false;
_wifi_sta_started_at = 0;
_last_wifi_attempt = 0;
}
void MQTTUplink::makeSafeToken(const char* input, char* output, size_t output_size) {
if (output_size == 0) {
return;
}
size_t oi = 0;
for (size_t i = 0; input != nullptr && input[i] != 0 && oi + 1 < output_size; ++i) {
char c = input[i];
if ((c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c >= '0' && c <= '9') || c == '-' || c == '_') {
output[oi++] = c;
} else {
output[oi++] = '_';
}
}
output[oi] = 0;
}
void MQTTUplink::bytesToHexUpper(const uint8_t* src, size_t len, char* dst, size_t dst_size) {
if (dst_size == 0) {
return;
}
size_t di = 0;
for (size_t i = 0; i < len && di + 2 < dst_size; ++i) {
snprintf(&dst[di], dst_size - di, "%02X", src[i]);
di += 2;
}
dst[min(di, dst_size - 1)] = 0;
}
void MQTTUplink::formatIsoTimestamp(time_t ts, char* dst, size_t dst_size) {
if (dst_size == 0) {
return;
}
struct tm tm_local;
localtime_r(&ts, &tm_local);
strftime(dst, dst_size, "%Y-%m-%dT%H:%M:%S", &tm_local);
size_t len = strlen(dst);
if (len + 8 < dst_size) {
memcpy(&dst[len], ".000000", 8);
}
}
void MQTTUplink::escapeJsonString(const char* input, char* output, size_t output_size) {
if (output_size == 0) {
return;
}
size_t oi = 0;
for (size_t i = 0; input != nullptr && input[i] != 0 && oi + 1 < output_size; ++i) {
char c = input[i];
const char* escape = nullptr;
switch (c) {
case '\"':
escape = "\\\"";
break;
case '\\':
escape = "\\\\";
break;
case '\n':
escape = "\\n";
break;
case '\r':
escape = "\\r";
break;
case '\t':
escape = "\\t";
break;
default:
break;
}
if (escape != nullptr) {
for (size_t j = 0; escape[j] != 0 && oi + 1 < output_size; ++j) {
output[oi++] = escape[j];
}
continue;
}
unsigned char uc = static_cast<unsigned char>(c);
if (uc < 0x20) {
output[oi++] = '_';
continue;
}
output[oi++] = c;
}
output[oi] = 0;
}
wifi_ps_type_t MQTTUplink::toEspPowerSave(uint8_t mode) {
switch (mode) {
case 1:
return WIFI_PS_MIN_MODEM;
case 2:
return WIFI_PS_MAX_MODEM;
default:
return WIFI_PS_NONE;
}
}
const char* MQTTUplink::getPowerSaveLabel(uint8_t mode) {
switch (mode) {
case 1:
return "min";
case 2:
return "max";
default:
return "none";
}
}
void MQTTUplink::refreshIdentityStrings() {
bytesToHexUpper(_identity->pub_key, PUB_KEY_SIZE, _device_id, sizeof(_device_id));
for (size_t i = 0; i < 3; ++i) {
BrokerState& broker = _brokers[i];
snprintf(broker.username, sizeof(broker.username), "v1_%s", _device_id);
snprintf(broker.client_id, sizeof(broker.client_id), "mqtt_%s-%.6s", broker.spec->key, _device_id);
snprintf(broker.status_topic, sizeof(broker.status_topic), "meshcore/%s/%s/status", _prefs.iata, _device_id);
snprintf(broker.packets_topic, sizeof(broker.packets_topic), "meshcore/%s/%s/packets", _prefs.iata, _device_id);
snprintf(broker.raw_topic, sizeof(broker.raw_topic), "meshcore/%s/%s/raw", _prefs.iata, _device_id);
}
}
void MQTTUplink::refreshBrokerState(BrokerState& broker) {
char safe_name[40];
makeSafeToken(board.getManufacturerName(), safe_name, sizeof(safe_name));
char origin[80];
const char* node_name = (_node_name != nullptr && _node_name[0] != 0) ? _node_name : _device_id;
escapeJsonString(node_name, origin, sizeof(origin));
char client_version[96];
snprintf(client_version, sizeof(client_version), "%s", CLIENT_VERSION);
char radio_info[48];
snprintf(radio_info, sizeof(radio_info), "%.6f,%.1f,%u,%u", static_cast<double>(_last_status.radio_freq),
static_cast<double>(_last_status.radio_bw), _last_status.radio_sf, _last_status.radio_cr);
char ts[32];
formatIsoTimestamp(time(nullptr), ts, sizeof(ts));
snprintf(broker.offline_payload, sizeof(broker.offline_payload),
"{\"status\":\"offline\",\"timestamp\":\"%s\",\"origin\":\"%s\",\"origin_id\":\"%s\",\"model\":\"%s\","
"\"firmware_version\":\"%s\",\"radio\":\"%s\",\"client_version\":\"%s\"}",
ts, origin, _device_id, safe_name, FIRMWARE_VERSION, radio_info, client_version);
}
bool MQTTUplink::refreshToken(BrokerState& broker) {
time_t now = time(nullptr);
if (now < kMinSaneEpoch) {
TIME_LOG("%s token skipped: clock not ready (%lu)", broker.spec->label, static_cast<unsigned long>(now));
return false;
}
time_t expires_at = now + kTokenLifetimeSecs;
const char* owner = _prefs.owner_public_key[0] ? _prefs.owner_public_key : nullptr;
const char* email = _prefs.owner_email[0] ? _prefs.owner_email : nullptr;
if (!JWTHelper::createAuthToken(*_identity, broker.spec->host, now, expires_at, broker.token, sizeof(broker.token),
owner, email)) {
MQTT_LOG("%s token creation failed", broker.spec->label);
return false;
}
broker.token_expires_at = expires_at;
MQTT_LOG("%s token ready exp=%lu owner=%s email=%s", broker.spec->label,
static_cast<unsigned long>(expires_at), owner != nullptr ? "yes" : "no", email != nullptr ? "yes" : "no");
return true;
}
void MQTTUplink::destroyBroker(BrokerState& broker) {
if (broker.client != nullptr) {
MQTT_LOG("%s destroy broker client", broker.spec->label);
esp_mqtt_client_stop(broker.client);
esp_mqtt_client_destroy(broker.client);
broker.client = nullptr;
}
broker.connected = false;
}
void MQTTUplink::queuePublish(BrokerState& broker, const char* topic, const char* payload, bool retain) {
if (broker.client == nullptr || !broker.connected) {
return;
}
MQTT_LOG("%s publish topic=%s retain=%d bytes=%u", broker.spec->label, topic, retain ? 1 : 0,
static_cast<unsigned>(strlen(payload)));
esp_mqtt_client_enqueue(broker.client, topic, payload, 0, 1, retain, true);
}
int MQTTUplink::buildStatusJson(char* buffer, size_t buffer_size, bool online) const {
char ts[32];
formatIsoTimestamp(time(nullptr), ts, sizeof(ts));
char model[48];
makeSafeToken(board.getManufacturerName(), model, sizeof(model));
char origin[80];
const char* node_name = (_node_name != nullptr && _node_name[0] != 0) ? _node_name : _device_id;
escapeJsonString(node_name, origin, sizeof(origin));
char client_version[96];
snprintf(client_version, sizeof(client_version), "%s", CLIENT_VERSION);
char radio_info[48];
snprintf(radio_info, sizeof(radio_info), "%.6f,%.1f,%u,%u", static_cast<double>(_last_status.radio_freq),
static_cast<double>(_last_status.radio_bw), _last_status.radio_sf, _last_status.radio_cr);
return snprintf(buffer, buffer_size,
"{\"status\":\"%s\",\"timestamp\":\"%s\",\"origin\":\"%s\",\"origin_id\":\"%s\","
"\"model\":\"%s\",\"firmware_version\":\"%s\",\"radio\":\"%s\",\"client_version\":\"%s\","
"\"stats\":{\"battery_mv\":%d,\"uptime_secs\":%lu,\"errors\":%u,\"queue_len\":%u,"
"\"noise_floor\":%d,\"tx_air_secs\":%lu,\"rx_air_secs\":%lu,\"recv_errors\":%lu}}",
online ? "online" : "offline", ts, origin, _device_id, model, FIRMWARE_VERSION, radio_info, client_version,
_last_status.battery_mv, static_cast<unsigned long>(_last_status.uptime_secs), _last_status.error_flags,
_last_status.queue_len, _last_status.noise_floor, static_cast<unsigned long>(_last_status.tx_air_secs),
static_cast<unsigned long>(_last_status.rx_air_secs),
static_cast<unsigned long>(_last_status.recv_errors));
}
int MQTTUplink::buildPacketJson(char* buffer, size_t buffer_size, const mesh::Packet& packet, bool is_tx, int rssi,
float snr) const {
uint8_t raw[256];
int raw_len = packet.writeTo(raw);
char* raw_hex = allocScratchBuffer(520);
if (raw_hex == nullptr) {
return -1;
}
bytesToHexUpper(raw, raw_len, raw_hex, 520);
uint8_t packet_hash[MAX_HASH_SIZE];
packet.calculatePacketHash(packet_hash);
char hash_hex[(MAX_HASH_SIZE * 2) + 1];
bytesToHexUpper(packet_hash, MAX_HASH_SIZE, hash_hex, sizeof(hash_hex));
time_t now = time(nullptr);
char ts[32];
formatIsoTimestamp(now, ts, sizeof(ts));
struct tm tm_utc;
gmtime_r(&now, &tm_utc);
char time_only[16];
char date_only[16];
strftime(time_only, sizeof(time_only), "%H:%M:%S", &tm_utc);
strftime(date_only, sizeof(date_only), "%d/%m/%Y", &tm_utc);
char origin[80];
const char* node_name = (_node_name != nullptr && _node_name[0] != 0) ? _node_name : _device_id;
escapeJsonString(node_name, origin, sizeof(origin));
if (packet.isRouteDirect() && packet.path_len > 0) {
char path_info[128];
snprintf(path_info, sizeof(path_info), "path_%dx%d_%db", (int)packet.getPathHashCount(),
(int)packet.getPathHashSize(), (int)packet.getPathByteLen());
int len = snprintf(buffer, buffer_size,
"{\"origin\":\"%s\",\"origin_id\":\"%s\",\"timestamp\":\"%s\",\"type\":\"PACKET\","
"\"direction\":\"%s\",\"time\":\"%s\",\"date\":\"%s\",\"len\":\"%d\",\"packet_type\":\"%u\","
"\"route\":\"D\",\"payload_len\":\"%u\",\"raw\":\"%s\",\"SNR\":\"%.1f\",\"RSSI\":\"%d\","
"\"hash\":\"%s\",\"path\":\"%s\"}",
origin, _device_id, ts, is_tx ? "tx" : "rx", time_only, date_only, raw_len, packet.getPayloadType(),
packet.payload_len, raw_hex, snr, rssi, hash_hex, path_info);
freeScratchBuffer(raw_hex);
return len;
}
int len = snprintf(buffer, buffer_size,
"{\"origin\":\"%s\",\"origin_id\":\"%s\",\"timestamp\":\"%s\",\"type\":\"PACKET\","
"\"direction\":\"%s\",\"time\":\"%s\",\"date\":\"%s\",\"len\":\"%d\",\"packet_type\":\"%u\","
"\"route\":\"F\",\"payload_len\":\"%u\",\"raw\":\"%s\",\"SNR\":\"%.1f\",\"RSSI\":\"%d\","
"\"hash\":\"%s\"}",
origin, _device_id, ts, is_tx ? "tx" : "rx", time_only, date_only, raw_len, packet.getPayloadType(),
packet.payload_len, raw_hex, snr, rssi, hash_hex);
freeScratchBuffer(raw_hex);
return len;
}
int MQTTUplink::buildRawJson(char* buffer, size_t buffer_size, const mesh::Packet& packet, bool is_tx, int rssi,
float snr) const {
(void)is_tx;
(void)rssi;
(void)snr;
uint8_t raw[256];
int raw_len = packet.writeTo(raw);
char* raw_hex = allocScratchBuffer(520);
if (raw_hex == nullptr) {
return -1;
}
bytesToHexUpper(raw, raw_len, raw_hex, 520);
char ts[32];
formatIsoTimestamp(time(nullptr), ts, sizeof(ts));
char origin[80];
const char* node_name = (_node_name != nullptr && _node_name[0] != 0) ? _node_name : _device_id;
escapeJsonString(node_name, origin, sizeof(origin));
int len = snprintf(buffer, buffer_size,
"{\"origin\":\"%s\",\"origin_id\":\"%s\",\"timestamp\":\"%s\",\"type\":\"RAW\",\"data\":\"%s\"}",
origin, _device_id, ts, raw_hex);
freeScratchBuffer(raw_hex);
return len;
}
void MQTTUplink::publishOnlineStatus(BrokerState& broker) {
char* payload = allocScratchBuffer(768);
if (payload == nullptr) {
return;
}
int len = buildStatusJson(payload, 768, true);
if (len > 0 && static_cast<size_t>(len) < 768) {
queuePublish(broker, broker.status_topic, payload, true);
}
freeScratchBuffer(payload);
}
void MQTTUplink::publishStatus(bool online) {
char* payload = allocScratchBuffer(768);
if (payload == nullptr) {
return;
}
int len = buildStatusJson(payload, 768, online);
if (len <= 0 || static_cast<size_t>(len) >= 768) {
freeScratchBuffer(payload);
return;
}
for (BrokerState& broker : _brokers) {
if ((_prefs.enabled_mask & broker.spec->bit) != 0) {
queuePublish(broker, broker.status_topic, payload, true);
}
}
freeScratchBuffer(payload);
}
void MQTTUplink::handleMqttEvent(void* handler_args, esp_event_base_t, int32_t event_id, void* event_data) {
auto* broker = static_cast<BrokerState*>(handler_args);
if (broker == nullptr) {
return;
}
auto* event = static_cast<esp_mqtt_event_handle_t>(event_data);
switch (event_id) {
case MQTT_EVENT_CONNECTED:
broker->connected = true;
MQTT_LOG("%s connected", broker->spec->label);
break;
case MQTT_EVENT_DISCONNECTED:
MQTT_LOG("%s disconnected", broker->spec->label);
case MQTT_EVENT_ERROR:
broker->connected = false;
if (event_id == MQTT_EVENT_ERROR) {
if (event != nullptr && event->error_handle != nullptr) {
MQTT_LOG("%s error type=%d tls_esp=0x%x tls_stack=0x%x cert_flags=0x%x sock_errno=%d conn_refused=%d",
broker->spec->label, event->error_handle->error_type, event->error_handle->esp_tls_last_esp_err,
event->error_handle->esp_tls_stack_err, event->error_handle->esp_tls_cert_verify_flags,
event->error_handle->esp_transport_sock_errno, event->error_handle->connect_return_code);
} else {
MQTT_LOG("%s error event", broker->spec->label);
}
}
break;
case MQTT_EVENT_BEFORE_CONNECT:
MQTT_LOG("%s before connect", broker->spec->label);
break;
default:
break;
}
}
esp_err_t MQTTUplink::handleWebIndex(httpd_req_t* req) {
auto* ctx = static_cast<WebRouteContext*>(req->user_ctx);
if (ctx == nullptr || ctx->self == nullptr) {
return httpd_resp_send_500(req);
}
httpd_resp_set_type(req, "text/html; charset=utf-8");
httpd_resp_set_hdr(req, "Cache-Control", "no-store");
return httpd_resp_send(req, kWebPanelHtml, HTTPD_RESP_USE_STRLEN);
}
esp_err_t MQTTUplink::handleWebLogin(httpd_req_t* req) {
auto* ctx = static_cast<WebRouteContext*>(req->user_ctx);
if (ctx == nullptr || ctx->self == nullptr || ctx->self->_web_runner == nullptr) {
return httpd_resp_send_500(req);
}
char* password = allocScratchBuffer(kWebPasswordBufferSize);
if (password == nullptr) {
return httpd_resp_send_500(req);
}
if (!ctx->self->readRequestBody(req, password, kWebPasswordBufferSize)) {
freeScratchBuffer(password);
return httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Bad request");
}
if (strcmp(password, ctx->self->_web_runner->getWebAdminPassword()) != 0) {
freeScratchBuffer(password);
WEB_LOG("login denied");
return httpd_resp_send_err(req, HTTPD_401_UNAUTHORIZED, "Bad password");
}
freeScratchBuffer(password);
ctx->self->refreshWebToken();
WEB_LOG("login accepted");
httpd_resp_set_type(req, "text/plain; charset=utf-8");
httpd_resp_set_hdr(req, "Cache-Control", "no-store");
return httpd_resp_sendstr(req, ctx->self->_web_token);
}
esp_err_t MQTTUplink::handleWebCommand(httpd_req_t* req) {
auto* ctx = static_cast<WebRouteContext*>(req->user_ctx);
if (ctx == nullptr || ctx->self == nullptr || ctx->self->_web_runner == nullptr) {
return httpd_resp_send_500(req);
}
if (!ctx->self->isWebAuthorized(req)) {
return httpd_resp_send_err(req, HTTPD_401_UNAUTHORIZED, "Unauthorized");
}
char* command = allocScratchBuffer(kWebCommandBufferSize);
char* reply = allocScratchBuffer(kWebReplyBufferSize);
if (command == nullptr || reply == nullptr) {
freeScratchBuffer(command);
freeScratchBuffer(reply);
return httpd_resp_send_500(req);
}
if (!ctx->self->readRequestBody(req, command, kWebCommandBufferSize)) {
freeScratchBuffer(command);
freeScratchBuffer(reply);
return httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Bad request");
}
memset(reply, 0, kWebReplyBufferSize);
ctx->self->_web_runner->runWebCommand(command, reply, kWebReplyBufferSize);
httpd_resp_set_type(req, "text/plain; charset=utf-8");
httpd_resp_set_hdr(req, "Cache-Control", "no-store");
esp_err_t rc = httpd_resp_send(req, reply[0] ? reply : "OK", HTTPD_RESP_USE_STRLEN);
freeScratchBuffer(command);
freeScratchBuffer(reply);
return rc;
}
bool MQTTUplink::readRequestBody(httpd_req_t* req, char* buffer, size_t buffer_size) const {
if (req == nullptr || buffer == nullptr || buffer_size == 0 || req->content_len <= 0 ||
req->content_len >= static_cast<int>(buffer_size)) {
return false;
}
int remaining = req->content_len;
int offset = 0;
while (remaining > 0) {
int read = httpd_req_recv(req, &buffer[offset], remaining);
if (read <= 0) {
return false;
}
offset += read;
remaining -= read;
}
buffer[offset] = 0;
return true;
}
void MQTTUplink::refreshWebToken() {
uint8_t token[16];
esp_fill_random(token, sizeof(token));
bytesToHexUpper(token, sizeof(token), _web_token, sizeof(_web_token));
}
bool MQTTUplink::isWebAuthorized(httpd_req_t* req) const {
if (_web_token[0] == 0) {
return false;
}
char token[40];
if (httpd_req_get_hdr_value_str(req, "X-Auth-Token", token, sizeof(token)) != ESP_OK) {
return false;
}
return strcmp(token, _web_token) == 0;
}
bool MQTTUplink::startWebServer() {
if (_web_server != nullptr || _web_runner == nullptr || _prefs.web_enabled == 0) {
return _web_server != nullptr;
}
httpd_ssl_config_t config = HTTPD_SSL_CONFIG_DEFAULT();
config.httpd.max_open_sockets = 2;
config.httpd.max_uri_handlers = 3;
config.httpd.max_resp_headers = 4;
config.httpd.backlog_conn = 2;
config.httpd.recv_wait_timeout = 2;
config.httpd.send_wait_timeout = 2;
config.httpd.stack_size = kWebServerStackSize;
config.cacert_pem = reinterpret_cast<const uint8_t*>(mqtt_web_panel_cert::kServerCertPem);
config.cacert_len = sizeof(mqtt_web_panel_cert::kServerCertPem);
config.prvtkey_pem = reinterpret_cast<const uint8_t*>(mqtt_web_panel_cert::kServerKeyPem);
config.prvtkey_len = sizeof(mqtt_web_panel_cert::kServerKeyPem);
esp_err_t rc = httpd_ssl_start(&_web_server, &config);
if (rc != ESP_OK) {
_web_server = nullptr;
WEB_LOG("server start failed rc=0x%x", static_cast<unsigned>(rc));
return false;
}
httpd_uri_t index_uri = {.uri = "/", .method = HTTP_GET, .handler = &MQTTUplink::handleWebIndex, .user_ctx = &_web_route_context};
httpd_uri_t login_uri = {.uri = "/login", .method = HTTP_POST, .handler = &MQTTUplink::handleWebLogin, .user_ctx = &_web_route_context};
httpd_uri_t command_uri = {.uri = "/api/command", .method = HTTP_POST, .handler = &MQTTUplink::handleWebCommand, .user_ctx = &_web_route_context};
httpd_register_uri_handler(_web_server, &index_uri);
httpd_register_uri_handler(_web_server, &login_uri);
httpd_register_uri_handler(_web_server, &command_uri);
WEB_LOG("server started on https://%s/", WiFi.localIP().toString().c_str());
return true;
}
void MQTTUplink::stopWebServer() {
if (_web_server != nullptr) {
WEB_LOG("server stopped");
httpd_ssl_stop(_web_server);
_web_server = nullptr;
}
_web_token[0] = 0;
}
void MQTTUplink::ensureWebServer() {
if (_web_runner == nullptr || _prefs.web_enabled == 0 || !_wifi_started || WiFi.status() != WL_CONNECTED) {
stopWebServer();
return;
}
startWebServer();
}
void MQTTUplink::ensureWifi() {
if (_prefs.wifi_ssid[0] == 0) {
WIFI_LOG("disabled: no ssid");
stopWebServer();
reconnectWifi();
return;
}
if (!hasEnabledBroker() && _web_runner == nullptr) {
WIFI_LOG("disabled: no mqtt endpoints and no web runner");
stopWebServer();
if (_wifi_started) {
WiFi.disconnect(true, true);
WiFi.mode(WIFI_OFF);
_wifi_started = false;
_sntp_started = false;
_have_time_sync = false;
_wifi_sta_started_at = 0;
}
return;
}
if (WiFi.status() == WL_CONNECTED) {
return;
}
unsigned long now_ms = millis();
wl_status_t status = WiFi.status();
if (_wifi_started) {
if (_last_wifi_attempt == 0) {
if (now_ms - _wifi_sta_started_at < kWifiStartupDelayMillis) {
return;
}
} else if (status == WL_IDLE_STATUS && now_ms - _last_wifi_attempt < kWifiConnectTimeoutMillis) {
return;
return;
}
if (now_ms - _last_wifi_attempt < kWifiRetryMillis) {
return;
}
}
if (!_wifi_started) {
WiFi.mode(WIFI_STA);
WiFi.setSleep(toEspPowerSave(_prefs.wifi_powersave));
_wifi_started = true;
_wifi_sta_started_at = now_ms;
_last_wifi_attempt = 0;
WIFI_LOG("sta start powersaving=%s settle_ms=%lu", getPowerSaveLabel(_prefs.wifi_powersave),
static_cast<unsigned long>(kWifiStartupDelayMillis));
return;
} else {
WIFI_LOG("retry status=%d", static_cast<int>(status));
}
_last_wifi_attempt = now_ms;
WIFI_LOG("begin ssid=%s", _prefs.wifi_ssid);
WiFi.begin(_prefs.wifi_ssid, _prefs.wifi_pwd);
}
void MQTTUplink::updateTimeSync() {
bool prev_have_time_sync = _have_time_sync;
if (!_wifi_started || WiFi.status() != WL_CONNECTED) {
_have_time_sync = false;
if (prev_have_time_sync != _have_time_sync) {
TIME_LOG("sntp lost");
}
return;
}
if (!_sntp_started) {
configTzTime("UTC0", "au.pool.ntp.org", "time.google.com", "time.cloudflare.com");
_sntp_started = true;
TIME_LOG("sntp start servers=au.pool.ntp.org,time.google.com,time.cloudflare.com");
}
sntp_sync_status_t sync_status = sntp_get_sync_status();
time_t now = time(nullptr);
bool sane_time = now >= kMinSaneEpoch;
bool sync_ready = sync_status == SNTP_SYNC_STATUS_COMPLETED || sync_status == SNTP_SYNC_STATUS_IN_PROGRESS;
_have_time_sync = sane_time && (sync_ready || prev_have_time_sync);
if (prev_have_time_sync != _have_time_sync) {
TIME_LOG("sntp %s epoch=%lu status=%ld", _have_time_sync ? "ready" : "waiting",
static_cast<unsigned long>(now), static_cast<long>(sync_status));
}
}
void MQTTUplink::ensureBroker(BrokerState& broker) {
bool enabled = (_prefs.enabled_mask & broker.spec->bit) != 0;
if (!enabled) {
destroyBroker(broker);
return;
}
if (!_have_time_sync || WiFi.status() != WL_CONNECTED) {
return;
}
time_t now = time(nullptr);
if (broker.client != nullptr && broker.token_expires_at > 0 && now + kTokenRefreshSlackSecs >= broker.token_expires_at) {
destroyBroker(broker);
}
if (broker.client != nullptr) {
return;
}
unsigned long now_ms = millis();
if (now_ms - broker.last_connect_attempt < kBrokerRetryMillis) {
return;
}
broker.last_connect_attempt = now_ms;
if (!refreshToken(broker)) {
return;
}
refreshBrokerState(broker);
MQTT_LOG("%s mqtt init host=%s port=%d path=%s client_id=%s heap_free=%u heap_max=%u", broker.spec->label,
broker.spec->host, 443, "/mqtt", broker.client_id, ESP.getFreeHeap(), ESP.getMaxAllocHeap());
esp_mqtt_client_config_t cfg = {};
#if ESP_IDF_VERSION_MAJOR >= 5
cfg.broker.address.hostname = broker.spec->host;
cfg.broker.address.port = 443;
cfg.broker.address.transport = MQTT_TRANSPORT_OVER_WSS;
cfg.broker.address.path = "/mqtt";
cfg.broker.verification.certificate = mqtt_ca_certs::kCombinedPem;
cfg.credentials.username = broker.username;
cfg.credentials.client_id = broker.client_id;
cfg.credentials.authentication.password = broker.token;
cfg.session.keepalive = 30;
cfg.session.last_will.topic = broker.status_topic;
cfg.session.last_will.msg = broker.offline_payload;
cfg.session.last_will.qos = 1;
cfg.session.last_will.retain = 1;
cfg.network.reconnect_timeout_ms = 10000;
cfg.network.timeout_ms = 10000;
cfg.network.disable_auto_reconnect = false;
cfg.buffer.size = 1024;
cfg.buffer.out_size = 1024;
#else
cfg.host = broker.spec->host;
cfg.port = 443;
cfg.username = broker.username;
cfg.password = broker.token;
cfg.client_id = broker.client_id;
cfg.keepalive = 30;
cfg.buffer_size = 1024;
cfg.out_buffer_size = 1024;
cfg.reconnect_timeout_ms = 10000;
cfg.network_timeout_ms = 10000;
cfg.disable_auto_reconnect = false;
cfg.transport = MQTT_TRANSPORT_OVER_WSS;
cfg.cert_pem = mqtt_ca_certs::kCombinedPem;
cfg.lwt_topic = broker.status_topic;
cfg.lwt_msg = broker.offline_payload;
cfg.lwt_qos = 1;
cfg.lwt_retain = 1;
cfg.path = "/mqtt";
#endif
broker.client = esp_mqtt_client_init(&cfg);
if (broker.client == nullptr) {
MQTT_LOG("%s mqtt init failed", broker.spec->label);
return;
}
esp_mqtt_client_register_event(broker.client, MQTT_EVENT_ANY, &MQTTUplink::handleMqttEvent, &broker);
if (esp_mqtt_client_start(broker.client) != ESP_OK) {
MQTT_LOG("%s mqtt start failed", broker.spec->label);
destroyBroker(broker);
} else {
MQTT_LOG("%s mqtt start requested", broker.spec->label);
}
}
void MQTTUplink::begin(FILESYSTEM* fs) {
_fs = fs;
MQTTPrefsStore::load(_fs, _prefs);
refreshIdentityStrings();
refreshWebToken();
_running = true;
_last_status_publish = millis();
MQTT_LOG("begin iata=%s enabled_mask=0x%02X wifi_ssid=%s", _prefs.iata, _prefs.enabled_mask, _prefs.wifi_ssid);
}
void MQTTUplink::end() {
MQTT_LOG("end");
publishStatus(false);
stopWebServer();
for (BrokerState& broker : _brokers) {
destroyBroker(broker);
}
if (_wifi_started) {
WiFi.disconnect(true, true);
WiFi.mode(WIFI_OFF);
}
_wifi_started = false;
_sntp_started = false;
_have_time_sync = false;
_wifi_sta_started_at = 0;
_last_wifi_attempt = 0;
_running = false;
}
void MQTTUplink::loop(const MQTTStatusSnapshot& snapshot) {
if (!_running) {
return;
}
_last_status = snapshot;
ensureWifi();
updateTimeSync();
ensureWebServer();
for (BrokerState& broker : _brokers) {
bool was_connected = broker.connected;
ensureBroker(broker);
if (!was_connected && broker.connected) {
publishOnlineStatus(broker);
}
}
if (_prefs.status_enabled && hasEnabledBroker() && _have_time_sync &&
millis() - _last_status_publish >= _prefs.status_interval_ms) {
publishStatus(true);
_last_status_publish = millis();
}
}
void MQTTUplink::publishPacket(const mesh::Packet& packet, bool is_tx, int rssi, float snr) {
if (!_running || !_have_time_sync || !hasEnabledBroker() || !_prefs.packets_enabled) {
return;
}
if (is_tx && !_prefs.tx_enabled) {
return;
}
MQTT_LOG("packet dir=%s type=%u payload_len=%u rssi=%d snr=%.1f", is_tx ? "tx" : "rx", packet.getPayloadType(),
packet.payload_len, rssi, snr);
char* payload = allocScratchBuffer(1280);
if (payload == nullptr) {
return;
}
int len = buildPacketJson(payload, 1280, packet, is_tx, rssi, snr);
if (len <= 0 || static_cast<size_t>(len) >= 1280) {
freeScratchBuffer(payload);
return;
}
for (BrokerState& broker : _brokers) {
if ((_prefs.enabled_mask & broker.spec->bit) != 0) {
queuePublish(broker, broker.packets_topic, payload, false);
}
}
freeScratchBuffer(payload);
if (!_prefs.raw_enabled) {
return;
}
char* raw_payload = allocScratchBuffer(896);
if (raw_payload == nullptr) {
return;
}
len = buildRawJson(raw_payload, 896, packet, is_tx, rssi, snr);
if (len <= 0 || static_cast<size_t>(len) >= 896) {
freeScratchBuffer(raw_payload);
return;
}
for (BrokerState& broker : _brokers) {
if ((_prefs.enabled_mask & broker.spec->bit) != 0) {
queuePublish(broker, broker.raw_topic, raw_payload, false);
}
}
freeScratchBuffer(raw_payload);
}
void MQTTUplink::formatStatusReply(char* reply, size_t reply_size) const {
auto broker_state = [this](const BrokerState& broker) -> const char* {
if ((_prefs.enabled_mask & broker.spec->bit) == 0) {
return "off";
}
if (broker.connected) {
return "up";
}
if (WiFi.status() != WL_CONNECTED || !_have_time_sync) {
return "wait";
}
if (broker.client != nullptr) {
return "conn";
}
return "retry";
};
snprintf(reply, reply_size, "> wifi:%s ntp:%s iata:%s eastmesh-au:%s letsmesh-eu:%s letsmesh-us:%s tx:%s",
getWifiStateLabel(_prefs, _wifi_started), _have_time_sync ? "up" : "wait", _prefs.iata,
broker_state(_brokers[0]), broker_state(_brokers[1]), broker_state(_brokers[2]),
_prefs.tx_enabled ? "on" : "off");
}
void MQTTUplink::formatWebStatusReply(char* reply, size_t reply_size) const {
if (_web_runner == nullptr) {
snprintf(reply, reply_size, "> web:off");
return;
}
if (_prefs.web_enabled == 0) {
snprintf(reply, reply_size, "> web:off");
return;
}
if (_web_server == nullptr || !_wifi_started || WiFi.status() != WL_CONNECTED) {
snprintf(reply, reply_size, "> web:down");
return;
}
snprintf(reply, reply_size, "> web:up url:https://%s/ auth:%s", WiFi.localIP().toString().c_str(),
_web_token[0] ? "unlocked" : "locked");
}
bool MQTTUplink::setEndpointEnabled(uint8_t bit, bool enabled) {
if (enabled) {
_prefs.enabled_mask |= bit;
} else {
_prefs.enabled_mask &= ~bit;
}
savePrefs();
return true;
}
bool MQTTUplink::isEndpointEnabled(uint8_t bit) const {
return (_prefs.enabled_mask & bit) != 0;
}
bool MQTTUplink::setPacketsEnabled(bool enabled) {
_prefs.packets_enabled = enabled ? 1 : 0;
return savePrefs();
}
bool MQTTUplink::setRawEnabled(bool enabled) {
_prefs.raw_enabled = enabled ? 1 : 0;
return savePrefs();
}
bool MQTTUplink::setStatusEnabled(bool enabled) {
_prefs.status_enabled = enabled ? 1 : 0;
return savePrefs();
}
bool MQTTUplink::setTxEnabled(bool enabled) {
_prefs.tx_enabled = enabled ? 1 : 0;
return savePrefs();
}
bool MQTTUplink::setWebEnabled(bool enabled) {
_prefs.web_enabled = enabled ? 1 : 0;
bool ok = savePrefs();
if (_prefs.web_enabled == 0) {
stopWebServer();
} else {
ensureWebServer();
}
return ok;
}
bool MQTTUplink::setIata(const char* iata) {
if (iata == nullptr || *iata == 0) {
return false;
}
char cleaned[sizeof(_prefs.iata)];
memset(cleaned, 0, sizeof(cleaned));
makeSafeToken(iata, cleaned, sizeof(cleaned));
for (size_t i = 0; cleaned[i] != 0; ++i) {
cleaned[i] = toupper(static_cast<unsigned char>(cleaned[i]));
}
StrHelper::strncpy(_prefs.iata, cleaned, sizeof(_prefs.iata));
refreshIdentityStrings();
return savePrefs();
}
bool MQTTUplink::setWifiPowerSave(const char* mode) {
if (mode == nullptr) {
return false;
}
uint8_t next_mode;
if (strcmp(mode, "none") == 0) {
next_mode = 0;
} else if (strcmp(mode, "min") == 0) {
next_mode = 1;
} else if (strcmp(mode, "max") == 0) {
next_mode = 2;
} else {
return false;
}
_prefs.wifi_powersave = next_mode;
bool ok = savePrefs();
if (_wifi_started) {
ok = WiFi.setSleep(toEspPowerSave(_prefs.wifi_powersave)) && ok;
}
return ok;
}
const char* MQTTUplink::getWifiPowerSave() const {
return getPowerSaveLabel(_prefs.wifi_powersave);
}
bool MQTTUplink::setWifiSSID(const char* ssid) {
if (ssid == nullptr) {
return false;
}
StrHelper::strncpy(_prefs.wifi_ssid, ssid, sizeof(_prefs.wifi_ssid));
bool ok = savePrefs();
reconnectWifi();
return ok;
}
bool MQTTUplink::setWifiPassword(const char* pwd) {
if (pwd == nullptr) {
return false;
}
StrHelper::strncpy(_prefs.wifi_pwd, pwd, sizeof(_prefs.wifi_pwd));
bool ok = savePrefs();
reconnectWifi();
return ok;
}
bool MQTTUplink::setOwnerPublicKey(const char* owner_public_key) {
if (owner_public_key == nullptr) {
return false;
}
if (owner_public_key[0] == 0) {
_prefs.owner_public_key[0] = 0;
bool ok = savePrefs();
reconnectWifi();
return ok;
}
if (strlen(owner_public_key) != 64) {
return false;
}
for (size_t i = 0; i < 64; ++i) {
if (!isxdigit(static_cast<unsigned char>(owner_public_key[i]))) {
return false;
}
_prefs.owner_public_key[i] = toupper(static_cast<unsigned char>(owner_public_key[i]));
}
_prefs.owner_public_key[64] = 0;
bool ok = savePrefs();
reconnectWifi();
return ok;
}
bool MQTTUplink::setOwnerEmail(const char* owner_email) {
if (owner_email == nullptr) {
return false;
}
StrHelper::strncpy(_prefs.owner_email, owner_email, sizeof(_prefs.owner_email));
bool ok = savePrefs();
reconnectWifi();
return ok;
}
void MQTTUplink::formatWifiStatusReply(char* reply, size_t reply_size) const {
const char* status = "disconnected";
const char* state = "disconnected";
wl_status_t wifi_status = WiFi.status();
if (_prefs.wifi_ssid[0] == 0) {
status = "unconfigured";
state = "unconfigured";
} else if (wifi_status == WL_CONNECTED) {
status = "connected";
state = "connected";
} else if (_wifi_started) {
status = "connecting";
}
switch (wifi_status) {
case WL_IDLE_STATUS:
state = "idle";
break;
case WL_NO_SSID_AVAIL:
state = "no_ssid";
break;
case WL_SCAN_COMPLETED:
state = "scan_completed";
break;
case WL_CONNECTED:
state = "connected";
break;
case WL_CONNECT_FAILED:
state = "connect_failed";
break;
case WL_CONNECTION_LOST:
state = "connection_lost";
break;
case WL_DISCONNECTED:
state = "disconnected";
break;
default:
state = "unknown";
break;
}
if (wifi_status == WL_CONNECTED) {
snprintf(reply, reply_size, "> ssid:%s status:%s code:%d state:%s ip:%s", _prefs.wifi_ssid, status,
static_cast<int>(wifi_status), state, WiFi.localIP().toString().c_str());
} else {
snprintf(reply, reply_size, "> ssid:%s status:%s code:%d state:%s", _prefs.wifi_ssid[0] ? _prefs.wifi_ssid : "-",
status, static_cast<int>(wifi_status), state);
}
}
#else
MQTTUplink::MQTTUplink(mesh::RTCClock&, mesh::LocalIdentity&)
: _fs(nullptr), _rtc(nullptr), _identity(nullptr), _running(false), _wifi_started(false), _sntp_started(false),
_have_time_sync(false), _wifi_sta_started_at(0), _last_wifi_attempt(0), _last_status_publish(0), _last_status{},
_node_name(nullptr),
_web_runner(nullptr) {
}
bool MQTTUplink::savePrefs() { return false; }
void MQTTUplink::begin(FILESYSTEM*) {}
void MQTTUplink::end() {}
void MQTTUplink::loop(const MQTTStatusSnapshot&) {}
void MQTTUplink::publishPacket(const mesh::Packet&, bool, int, float) {}
void MQTTUplink::formatStatusReply(char* reply, size_t reply_size) const { snprintf(reply, reply_size, "> unsupported"); }
void MQTTUplink::formatWebStatusReply(char* reply, size_t reply_size) const { snprintf(reply, reply_size, "> unsupported"); }
bool MQTTUplink::setEndpointEnabled(uint8_t, bool) { return false; }
bool MQTTUplink::isEndpointEnabled(uint8_t) const { return false; }
bool MQTTUplink::setPacketsEnabled(bool) { return false; }
bool MQTTUplink::setRawEnabled(bool) { return false; }
bool MQTTUplink::setStatusEnabled(bool) { return false; }
bool MQTTUplink::setTxEnabled(bool) { return false; }
bool MQTTUplink::setWebEnabled(bool) { return false; }
bool MQTTUplink::setIata(const char*) { return false; }
bool MQTTUplink::setWifiPowerSave(const char*) { return false; }
const char* MQTTUplink::getWifiPowerSave() const { return "unsupported"; }
bool MQTTUplink::isActive() const { return false; }
bool MQTTUplink::setWifiSSID(const char*) { return false; }
bool MQTTUplink::setWifiPassword(const char*) { return false; }
bool MQTTUplink::setOwnerPublicKey(const char*) { return false; }
bool MQTTUplink::setOwnerEmail(const char*) { return false; }
void MQTTUplink::formatWifiStatusReply(char* reply, size_t reply_size) const { snprintf(reply, reply_size, "> unsupported"); }
void MQTTUplink::reconnectWifi() {}
#endif
#endif
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