forked from ramapcsx2/gbs-control
-
Notifications
You must be signed in to change notification settings - Fork 0
/
PersWiFiManager.cpp
155 lines (128 loc) · 7.68 KB
/
PersWiFiManager.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
/* PersWiFiManager
version 3.0.1
https://r-downing.github.io/PersWiFiManager/
modified for inclusion in gbs-control
see /3rdparty/PersWiFiManager/ for original code and license
*/
#if defined(ESP8266)
#include "PersWiFiManager.h"
// #define WIFI_HTM_PROGMEM
// #ifdef WIFI_HTM_PROGMEM
// static const char wifi_htm[] PROGMEM = R"=====(<!DOCTYPE html><html> <head> <meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" /> <title>ESP WiFi</title> <script> function setSSID(ssid) { document.getElementById("s").value = ssid; document.getElementById("wl").style.display = "none"; } function scan() { const request = new XMLHttpRequest(); const wl = document.getElementById("wl"); document.getElementById("wl").style.display = "block"; wl.innerHTML = "Scanning..."; request.onreadystatechange = function () { if (this.readyState == 4 && this.status == 200) { wl.innerHTML = "Scanning..."; const lines = this.responseText.split("\n"); wl.innerHTML = "<ul>" + lines .map((line) => { const [, status, ssid] = line.split(","); return `<li onclick="setSSID('${ssid}')"><span>${ status === "1" ? " \uD83D\uDD12" : " \u26A0" }</span> ${ssid}</li>`; }) .join("") + "</ul>"; } }; request.open("GET", "wifi/list", true); request.send(); } </script> <style> body { background-color: #202020; text-align: center; font-family: verdana; color: #00c0fb; } a, #wl { text-decoration: none; color: #00c0fb; font-size: 14px; } a { cursor: pointer; } .btn, input { box-sizing: border-box; width: 100%; line-height: 34px; appearance: none; background-color: #292929; border-radius: 4px; border: 1px dashed rgba(0, 192, 251, 0.2); color: rgba(0, 192, 251, 0.6); cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 300; margin: 0 0 8px 0; outline: 0; overflow: hidden; padding: 4px 8px; user-select: none; transition: all 0.2s linear; } .btn[active], .btn:hover { color: #00c0fb; border: 1px solid #00c0fb; box-shadow: inset 0 0 6px 4px rgba(0, 192, 251, 0.2), 0 0 6px 4px rgba(0, 192, 251, 0.2); } .btn.secondary { color: rgba(234, 182, 56, 0.7); border: 1px dashed rgba(234, 182, 56, 0.3); } .btn.secondary[active], .btn.secondary:hover { transform: scale(0.98); color: black; box-shadow: inset 0 0 6px 4px rgba(234, 182, 56, 0.2), 0 0 6px 8px rgba(234, 182, 56, 0.2); background-color: rgba(234, 182, 56, 0.7); } .container { text-align: left; display: inline-block; max-width: 320px; padding: 5px; } .mb-16 { margin-bottom: 16px; } ul { list-style-type: none; padding: 0; } li { border-radius: 8px; padding: 6px; cursor: pointer; padding-left: 8px; padding-right: 8px; border: 1px solid transparent; } li:hover { border: 1px solid #00c0fb; } </style> </head> <body> <div class="container"> <button onclick="scan()" class="btn" active>↻ Scan</button> <p id="wl"></p> <form method="post" action="/wifi/connect"> <input id="s" name="n" length="32" placeholder="SSID" /> <input id="p" name="p" length="64" type="password" placeholder="password" class="mb-16" /> <button class="btn secondary" type="submit" active>Connect</button> </form> <div> <a href="javascript:history.back()">Back</a> | <a href="/">Home</a> </div> </div> </body></html>)=====";
// #endif
extern const char* device_hostname_full;
extern const char* device_hostname_partial;
PersWiFiManager::PersWiFiManager(AsyncWebServer& s, DNSServer& d) {
_server = &s;
_dnsServer = &d;
_apPass = "";
} //PersWiFiManager
bool PersWiFiManager::attemptConnection(const String& ssid, const String& pass) {
//attempt to connect to wifi
WiFi.mode(WIFI_STA);
WiFi.hostname(device_hostname_partial); // _full // before WiFi.begin();
if (ssid.length()) {
if (pass.length()) WiFi.begin(ssid.c_str(), pass.c_str());
else WiFi.begin(ssid.c_str());
} else {
WiFi.begin();
}
//if in nonblock mode, skip this loop
_connectStartTime = millis();// + 1;
while (!_connectNonBlock && _connectStartTime) {
handleWiFi();
delay(10);
}
return (WiFi.status() == WL_CONNECTED);
} //attemptConnection
void PersWiFiManager::handleWiFi() {
if (!_connectStartTime) return;
if (WiFi.status() == WL_CONNECTED) {
_connectStartTime = 0;
if (_connectHandler) _connectHandler();
return;
}
//if failed or not connected and time is up
if ((WiFi.status() == WL_CONNECT_FAILED) || ((WiFi.status() != WL_CONNECTED) && ((millis() - _connectStartTime) > (1000 * WIFI_CONNECT_TIMEOUT)))) {
startApMode();
_connectStartTime = 0; //reset connect start time
}
} //handleWiFi
void PersWiFiManager::startApMode(){
//start AP mode
IPAddress apIP(192, 168, 4, 1);
WiFi.mode(WIFI_AP);
WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
_apPass.length() ? WiFi.softAP(getApSsid().c_str(), _apPass.c_str(), 11) : WiFi.softAP(getApSsid().c_str());
_dnsServer->stop();
// set which return code will be used for all other domains (e.g. sending
// ServerFailure instead of NonExistentDomain will reduce number of queries
// sent by clients)
// default is DNSReplyCode::NonExistentDomain
//_dnsServer->setErrorReplyCode(DNSReplyCode::ServerFailure);
// modify TTL associated with the domain name (in seconds) // default is 60 seconds
_dnsServer->setTTL(300); // (in seconds) as per example
//_dnsServer->start((byte)53, device_hostname_full, apIP);
_dnsServer->start(53, "*", apIP);
if (_apHandler) _apHandler();
}//startApMode
void PersWiFiManager::setConnectNonBlock(bool b) {
_connectNonBlock = b;
} //setConnectNonBlock
void PersWiFiManager::setupWiFiHandlers() {
// note: removed DNS server setup here
_server->on("/wifi/list", HTTP_GET, [](AsyncWebServerRequest* request) {
//scan for wifi networks
int n = WiFi.scanComplete();
String s = "";
if (n == -2) {
WiFi.scanNetworks(true);
}
else if (n) {
//build array of indices
int ix[n];
for (int i = 0; i < n; i++) ix[i] = i;
//sort by signal strength
for (int i = 0; i < n; i++) for (int j = 1; j < n - i; j++) if (WiFi.RSSI(ix[j]) > WiFi.RSSI(ix[j - 1])) std::swap(ix[j], ix[j - 1]);
//remove duplicates
for (int i = 0; i < n; i++) for (int j = i + 1; j < n; j++) if (WiFi.SSID(ix[i]).equals(WiFi.SSID(ix[j])) && WiFi.encryptionType(ix[i]) == WiFi.encryptionType(ix[j])) ix[j] = -1;
s.reserve(2050);
//build plain text string of wifi info
//format [signal%]:[encrypted 0 or 1]:SSID
for (int i = 0; i < n && s.length() < 2000; i++) { //check s.length to limit memory usage
if (ix[i] != -1) {
s += String(i ? "\n" : "") + ((constrain(WiFi.RSSI(ix[i]), -100, -50) + 100) * 2) + ","
+ ((WiFi.encryptionType(ix[i]) == ENC_TYPE_NONE) ? 0 : 1) + "," + WiFi.SSID(ix[i]);
}
}
// don't cache found ssid's
WiFi.scanDelete();
}
//send string to client
request->send(200, "text/plain", s);
}); //_server->on /wifi/list
// #ifdef WIFI_HTM_PROGMEM
// _server->on("/wifi.htm", HTTP_GET, [](AsyncWebServerRequest* request) {
// request->send(200, "text/html", FPSTR(wifi_htm));
// WiFi.scanNetworks(true); // early scan to have results ready on /wifi/list
// });
// #endif
}//setupWiFiHandlers
bool PersWiFiManager::begin(const String& ssid, const String& pass) {
setupWiFiHandlers();
return attemptConnection(ssid, pass); //switched order of these two for return
} //begin
String PersWiFiManager::getApSsid() {
return _apSsid.length() ? _apSsid : "gbscontrol";
} //getApSsid
void PersWiFiManager::setApCredentials(const String& apSsid, const String& apPass) {
if (apSsid.length()) _apSsid = apSsid;
if (apPass.length() >= 8) _apPass = apPass;
} //setApCredentials
void PersWiFiManager::onConnect(WiFiChangeHandlerFunction fn) {
_connectHandler = fn;
}
void PersWiFiManager::onAp(WiFiChangeHandlerFunction fn) {
_apHandler = fn;
}
#endif