96 lines
2.3 KiB
D
96 lines
2.3 KiB
D
module qobuz.api;
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import core.stdc.stdlib, std.digest.md, std.conv, std.uni, std.json, std.net.curl, std.stdio, std.datetime;
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import std.algorithm : sort;
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string createSignature(string obj, string method, string[string] params, string tstamp, string secret) {
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string str = obj;
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str ~= method;
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foreach (k; sort(params.keys)) {
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str ~= k ~ params[k];
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}
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str ~= tstamp;
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str ~= secret;
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auto md5 = new MD5Digest();
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return md5.digest(str).toHexString.toLower;
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}
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string apiRequest(JSONValue magic, string request) {
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auto curl = HTTP();
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curl.addRequestHeader("x-app-id", magic["app_id"].str);
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curl.addRequestHeader("x-user-auth-token", magic["user_auth_token"].str);
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// curl.proxy = "localhost:8080";
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string jsonResponse;
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try {
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jsonResponse = get("http://qobuz.com/api.json/0.2/"~request, curl).text();
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} catch (Exception e) {
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writeln("Request to qobuz failed!");
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exit(-2);
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}
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return jsonResponse;
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}
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JSONValue getAlbum(JSONValue magic, string id) {
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try {
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return apiRequest(magic, "album/get?offset=0&limit=500&album_id="~id).parseJSON;
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} catch (Exception e) {
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writeln("Invalid JSON data!");
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exit(-3);
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}
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assert(0);
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}
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string buildGETRequest(string[string] params) {
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string req;
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foreach (i, k; params.keys) {
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if (i == 0)
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req ~= "?";
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else
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req ~= "&";
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req ~= k~"="~params[k];
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}
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return req;
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}
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string getDownloadUrl(JSONValue magic, string id) {
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string[string] params;
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params["track_id"] = id;
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params["format_id"] = "6"; // TODO: support for multiple formats
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params["intent"] = "stream";
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auto tstamp = Clock.currTime.toUnixTime.text;
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auto sig = createSignature("track", "getFileUrl", params, tstamp, magic["app_secret"].str);
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JSONValue response;
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try {
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response = apiRequest(magic, "track/getFileUrl"~buildGETRequest(params)~"&request_ts="~tstamp~"&request_sig="~sig).parseJSON;
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} catch (Exception e) {
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writeln("Invalid JSON data!");
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exit(-5);
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}
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try {
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return response["url"].str;
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} catch (Exception e) {
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writeln("No download URI given!");
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exit(-6);
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}
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assert(0);
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}
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string getArtUrl(string id) {
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if (id.length != 13) {
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writeln("Album ID of invalid length given!");
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exit(-10);
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}
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string a = id[11..13];
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string b = id[9..11];
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return "http://static.qobuz.com/images/covers/"~a~"/"~b~"/"~id~"_max.jpg";
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}
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// ex: set tabstop=2 expandtab:
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