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Jade Macho 2024-01-07 17:37:31 +01:00
parent f913eb9b69
commit e75a3b34f9
Signed by: 0x0ade
GPG Key ID: 21C91DB3ADE0B6D5
3 changed files with 75 additions and 41 deletions
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22
README.md
View File

@ -14,23 +14,29 @@ This repo contains a single php file that sits in between your radio and the Air
## How can I use this?
The way I've set it up on my Raspberry Pi 4b is absolutely cursed and there's certainly better ways to do it, but it's 04:34am as I'm clacking my keys right now and I want sleep, so here's my setup:
### TL;DR
- Set up a web server on ports 80 and 443,
- Use `index.php` for every request,
- Redirect `airable.wifiradiofrontier.com` to your proxying device (f.e. via a DNS adblocker such as Pi-hole),
- Play around with the `radios` folder next to `index.php`.
### My setup
The way I've set it up on my Raspberry Pi 4b is absolutely cursed and there's certainly better ways to do it.
- Home Assistant OS
- Yes, I know running custom software outside of addons (which are just neatly packaged docker containers with special rules) isn't supported, but if it works in such a restrictive environment, then it surely works everywhere.
- [linuxserver/nginx](https://docs.linuxserver.io/images/docker-nginx/)
- Easy to set up, supports a wide range of platforms, and I don't need any of the fancyness that comes with linuxserver/swag (certbot) as it sits in my local network.
- The default config uses `index.php` for all requests, which is exactly what we want! Yay!
- Plop `index.php` and the `radios` dir into `www` (or set up a mount for it).
- In your favourite DNS adblocker (Pi-hole or AdGuard Home), redirect `airable.wifiradiofrontier.com` to your device's IP.
- Put a web radio into the radios dir (using my existing config as an example), or create your own:
- Mounted such that `index.php` and the `radios` dir end up as `www`
- AdGuard Home to redirect `airable.wifiradiofrontier.com` to my raspi.
- desktop.json contains a stream hosted using the following:
- [Icecast](https://icecast.org/) or another web radio server
- I'm personally using [AzuraCast](https://www.azuracast.com/), which uses Icecast under the hood, but with arm64 support!
- [butt](https://danielnoethen.de/butt/)
- This is really just if you want to f.e. stream your PC audio to your internet radio.
- ???
- Profit!
**TL;DR: Set up a web server on ports 80 and 443, make it use `index.php` for every request, play around with the `radios` folder.**
## Any hints for following your footsteps?

92
index.php
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@ -1,5 +1,7 @@
<?php
// Config
$GLOBALS["frairable_host"] = getenv("FRAIRABLE_HOST");
if (empty($GLOBALS["frairable_host"])) {
$GLOBALS["frairable_host"] = "https://airable.wifiradiofrontier.com";
@ -11,10 +13,21 @@ if (empty($GLOBALS["frairable_dir_radios"])) {
}
// Common strings
$GLOBALS["frairable_part_custom"] = "custom=";
$GLOBALS["frairable_part_play"] = "play=";
$GLOBALS["frairable_uri_listing"] = "/frontiersmart/radios/custom";
$GLOBALS["frairable_uri_meta"] = "/frontiersmart/radio/$GLOBALS[frairable_part_custom]";
// Response utils
function respond_with_raw(&$data) {
ob_start();
{
ob_start("ob_data");
ob_start();
{
echo($data);
ob_end_flush();
@ -28,21 +41,11 @@ function respond_with_raw(&$data) {
function respond_with_json(&$data) {
header("Content-Type: application/json");
ob_start();
{
ob_start("ob_data");
{
echo(json_encode($data));
ob_end_flush();
$data = json_encode($data);
respond_with_raw($data);
}
header("Content-Length: " . ob_get_length());
ob_end_flush();
}
}
function airable_proxy($cb = NULL) {
function respond_with_proxy($cb = NULL) {
$ch = curl_init("$GLOBALS[frairable_host]$_SERVER[REQUEST_URI]");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
@ -54,7 +57,7 @@ function airable_proxy($cb = NULL) {
curl_setopt($ch, CURLOPT_HTTPHEADER, [
"Accept: " . ($headers_req["Accept"] ?? "audio/aac;mp3;dash"),
"Accept-Language: " . ($headers_req["Accept-Language"] ?? "en-US"),
"Authorization: " . ($headers_req["Authorization"] ?? "true"),
"Authorization: " . ($headers_req["Authorization"] ?? "????"),
"Connection: " . ($headers_req["Connection"] ?? "Close"),
"Content-Length: " . ($headers_req["Content-Length"] ?? "0"),
"User-Agent: " . ($headers_req["User-Agent"] ?? "ir-cui-FS2340-0000-0165_V4.5.13.707296-1A17")
@ -105,6 +108,9 @@ function airable_proxy($cb = NULL) {
}
// Radio data manglers
function get_radio_data($id) {
$path = $GLOBALS["frairable_dir_radios"] . DIRECTORY_SEPARATOR . $id . ".json";
$path = realpath($path);
@ -121,8 +127,10 @@ function get_radio_entry($id) {
$data = get_radio_data($id);
$data["contains"] = [];
$data["id"] = ["frontiersmart", "radio", "custom=$id"];
$data["url"] = "$GLOBALS[frairable_host]/frontiersmart/radio/custom=$id";
// The ID MUST match with the URI for the radio meta.
$data["id"] = ["frontiersmart", "radio", "$GLOBALS[frairable_part_custom]$id"];
$data["url"] = "$GLOBALS[frairable_host]$GLOBALS[frairable_uri_meta]$id";
unset($data["streams"]);
@ -132,11 +140,11 @@ function get_radio_entry($id) {
function get_radio_meta($id) {
$data = get_radio_data($id);
$data["id"] = ["frontiersmart", "radio", "custom=$id"];
$data["url"] = "$GLOBALS[frairable_host]/frontiersmart/radio/custom=$id";
$data["id"] = ["frontiersmart", "radio", "$GLOBALS[frairable_part_custom]$id"];
$data["url"] = "$GLOBALS[frairable_host]$GLOBALS[frairable_uri_meta]$id";
foreach ($data["streams"] as $index => &$stream) {
$stream["url"] = "$GLOBALS[frairable_host]/frontiersmart/radio/custom=$id/play=$index";
$stream["url"] = "$GLOBALS[frairable_host]$GLOBALS[frairable_uri_meta]$id/$GLOBALS[frairable_part_play]$index";
}
return $data;
@ -145,11 +153,13 @@ function get_radio_meta($id) {
function get_radio_play($id, $index) {
$data = get_radio_data($id);
// clone loves to complain about the stream not being an object...
// deep clone using json is ugly, but eh.
// Clone loves to complain about the stream not being an object...
// Deep clone using json is ugly, but eh.
$stream = json_decode(json_encode($data["streams"][$index]), true);
$stream["id"] = ["frontiersmart", "redirect", "custom=$id/play=$index"];
// The redirect ID can be anything, as long as it is unique.
// It doesn't need to match with the URI.
$stream["id"] = ["frontiersmart", "redirect", "$GLOBALS[frairable_part_custom]$id/$GLOBALS[frairable_part_play]$index"];
$stream["content"] = $data;
unset($stream["reliability"]);
@ -157,8 +167,14 @@ function get_radio_play($id, $index) {
return $stream;
}
// Routing
if ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios") {
airable_proxy(function(&$data) {
// Stock starting point - add our own entry here.
respond_with_proxy(function(&$data) {
array_push($data["content"]["entries"], [
"id" => [
"frontiersmart",
@ -166,11 +182,14 @@ if ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios") {
"custom"
],
"title" => "Frairable (Custom)",
"url" => "$GLOBALS[frairable_host]/frontiersmart/radios/custom"
"url" => "$GLOBALS[frairable_host]$GLOBALS[frairable_uri_listing]"
]);
});
} elseif ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios/custom") {
} elseif ($_SERVER["REQUEST_URI"] === $GLOBALS["frairable_uri_listing"]) {
// Our custom menu with our own entries.
$entries = [];
foreach (new DirectoryIterator($GLOBALS["frairable_dir_radios"]) as $sub) {
@ -190,7 +209,7 @@ if ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios") {
"custom"
],
"title" => "Frairable (Custom)",
"url" => "$GLOBALS[frairable_host]$_SERVER[REQUEST_URI]",
"url" => "$GLOBALS[frairable_host]$GLOBALS[frairable_uri_listing]",
"content" => [
"entries" => $entries
]
@ -198,12 +217,18 @@ if ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios") {
respond_with_json($data);
} elseif (str_starts_with($_SERVER["REQUEST_URI"], "/frontiersmart/radio/custom=")) {
$id = substr($_SERVER["REQUEST_URI"], strlen("/frontiersmart/radio/custom="));
$split = strpos($id, "/play=");
} elseif (str_starts_with($_SERVER["REQUEST_URI"], $GLOBALS["frairable_uri_meta"])) {
// The radio fetches different radio info multiple times:
// - Metadata when selecting the entry, containing a list of streams.
// - Playing info after the radio picked a stream to play.
// See the dumped meta.json and play.json for more info.. and to witness the complex redundancy.
$id = substr($_SERVER["REQUEST_URI"], strlen($GLOBALS["frairable_uri_meta"]));
$split = strpos($id, "/$GLOBALS[frairable_part_play]");
if ($split) {
$index = intval(substr($id, $split + strlen("/play=")));
$index = intval(substr($id, $split + strlen("/$GLOBALS[frairable_part_play]")));
$id = substr($id, 0, $split);
respond_with_json(get_radio_play($id, $index));
@ -211,8 +236,11 @@ if ($_SERVER["REQUEST_URI"] === "/frontiersmart/radios") {
respond_with_json(get_radio_meta($id));
}
} else {
airable_proxy();
respond_with_proxy();
}
?>

2
radios/desktop.json
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@ -22,7 +22,7 @@
"samplerate": 48
},
"reliability": 0.99,
"url": "http://icecast.toriel.0x0a.de/desktop.mp3"
"url": "http://azuracast.toriel.0x0a.de/listen/toriel_radio/radio.mp3"
}
]
}