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https://github.com/esp8266/Arduino.git
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c218d945a4
Android refuses to show page with missing Content-Length header. Prepare page data to String and send it with server.send Moved respose strings to PROGMEM
134 lines
5.1 KiB
C++
134 lines
5.1 KiB
C++
/** Handle root or redirect to captive portal */
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void handleRoot() {
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if (captivePortal()) { // If caprive portal redirect instead of displaying the page.
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return;
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}
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server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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server.sendHeader("Pragma", "no-cache");
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server.sendHeader("Expires", "-1");
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String Page;
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Page += F(
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"<html><head></head><body>"
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"<h1>HELLO WORLD!!</h1>");
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if (server.client().localIP() == apIP) {
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Page += String(F("<p>You are connected through the soft AP: ")) + softAP_ssid + F("</p>");
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} else {
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Page += String(F("<p>You are connected through the wifi network: ")) + ssid + F("</p>");
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}
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Page += F(
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"<p>You may want to <a href='/wifi'>config the wifi connection</a>.</p>"
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"</body></html>");
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server.send(200, "text/html", Page);
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}
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/** Redirect to captive portal if we got a request for another domain. Return true in that case so the page handler do not try to handle the request again. */
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boolean captivePortal() {
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if (!isIp(server.hostHeader()) && server.hostHeader() != (String(myHostname) + ".local")) {
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Serial.println("Request redirected to captive portal");
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server.sendHeader("Location", String("http://") + toStringIp(server.client().localIP()), true);
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server.send(302, "text/plain", ""); // Empty content inhibits Content-length header so we have to close the socket ourselves.
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server.client().stop(); // Stop is needed because we sent no content length
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return true;
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}
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return false;
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}
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/** Wifi config page handler */
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void handleWifi() {
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server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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server.sendHeader("Pragma", "no-cache");
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server.sendHeader("Expires", "-1");
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String Page;
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Page += F(
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"<html><head></head><body>"
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"<h1>Wifi config</h1>");
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if (server.client().localIP() == apIP) {
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Page += String(F("<p>You are connected through the soft AP: ")) + softAP_ssid + F("</p>");
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} else {
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Page += String(F("<p>You are connected through the wifi network: ")) + ssid + F("</p>");
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}
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Page +=
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String(F(
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"\r\n<br />"
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"<table><tr><th align='left'>SoftAP config</th></tr>"
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"<tr><td>SSID ")) +
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String(softAP_ssid) +
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F("</td></tr>"
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"<tr><td>IP ") +
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toStringIp(WiFi.softAPIP()) +
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F("</td></tr>"
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"</table>"
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"\r\n<br />"
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"<table><tr><th align='left'>WLAN config</th></tr>"
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"<tr><td>SSID ") +
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String(ssid) +
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F("</td></tr>"
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"<tr><td>IP ") +
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toStringIp(WiFi.localIP()) +
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F("</td></tr>"
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"</table>"
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"\r\n<br />"
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"<table><tr><th align='left'>WLAN list (refresh if any missing)</th></tr>");
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Serial.println("scan start");
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int n = WiFi.scanNetworks();
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Serial.println("scan done");
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if (n > 0) {
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for (int i = 0; i < n; i++) {
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Page += String(F("\r\n<tr><td>SSID ")) + WiFi.SSID(i) + ((WiFi.encryptionType(i) == ENC_TYPE_NONE) ? F(" ") : F(" *")) + F(" (") + WiFi.RSSI(i) + F(")</td></tr>");
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}
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} else {
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Page += F("<tr><td>No WLAN found</td></tr>");
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}
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Page += F(
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"</table>"
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"\r\n<br /><form method='POST' action='wifisave'><h4>Connect to network:</h4>"
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"<input type='text' placeholder='network' name='n'/>"
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"<br /><input type='password' placeholder='password' name='p'/>"
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"<br /><input type='submit' value='Connect/Disconnect'/></form>"
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"<p>You may want to <a href='/'>return to the home page</a>.</p>"
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"</body></html>");
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server.send(200, "text/html", Page);
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server.client().stop(); // Stop is needed because we sent no content length
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}
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/** Handle the WLAN save form and redirect to WLAN config page again */
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void handleWifiSave() {
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Serial.println("wifi save");
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server.arg("n").toCharArray(ssid, sizeof(ssid) - 1);
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server.arg("p").toCharArray(password, sizeof(password) - 1);
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server.sendHeader("Location", "wifi", true);
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server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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server.sendHeader("Pragma", "no-cache");
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server.sendHeader("Expires", "-1");
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server.send(302, "text/plain", ""); // Empty content inhibits Content-length header so we have to close the socket ourselves.
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server.client().stop(); // Stop is needed because we sent no content length
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saveCredentials();
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connect = strlen(ssid) > 0; // Request WLAN connect with new credentials if there is a SSID
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}
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void handleNotFound() {
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if (captivePortal()) { // If caprive portal redirect instead of displaying the error page.
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return;
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}
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String message = F("File Not Found\n\n");
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message += F("URI: ");
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message += server.uri();
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message += F("\nMethod: ");
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message += (server.method() == HTTP_GET) ? "GET" : "POST";
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message += F("\nArguments: ");
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message += server.args();
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message += F("\n");
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for (uint8_t i = 0; i < server.args(); i++) {
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message += String(F(" ")) + server.argName(i) + F(": ") + server.arg(i) + F("\n");
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}
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server.sendHeader("Cache-Control", "no-cache, no-store, must-revalidate");
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server.sendHeader("Pragma", "no-cache");
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server.sendHeader("Expires", "-1");
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server.send(404, "text/plain", message);
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}
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