move to new cspot

components/spotify/cspot/src/AccessKeyFetcher.cpp

@@ -0,0 +1,53 @@
+#include "AccessKeyFetcher.h"
+#include <cstring>
+#include "Logger.h"
+#include "Utils.h"
+
+using namespace cspot;
+
+AccessKeyFetcher::AccessKeyFetcher(std::shared_ptr<cspot::Context> ctx) {
+  this->ctx = ctx;
+}
+
+AccessKeyFetcher::~AccessKeyFetcher() {}
+
+bool AccessKeyFetcher::isExpired() {
+  if (accessKey.empty()) {
+    return true;
+  }
+
+  if (ctx->timeProvider->getSyncedTimestamp() > expiresAt) {
+    return true;
+  }
+
+  return false;
+}
+
+void AccessKeyFetcher::getAccessKey(AccessKeyFetcher::Callback callback) {
+  if (!isExpired()) {
+    return callback(accessKey);
+  }
+
+  CSPOT_LOG(info, "Access token expired, fetching new one...");
+
+  std::string url =
+      string_format("hm://keymaster/token/authenticated?client_id=%s&scope=%s",
+                    CLIENT_ID.c_str(), SCOPES.c_str());
+  auto timeProvider = this->ctx->timeProvider;
+
+  ctx->session->execute(
+      MercurySession::RequestType::GET, url,
+      [this, timeProvider, callback](MercurySession::Response& res) {
+        if (res.fail) return;
+        char* accessKeyJson = (char*)res.parts[0].data();
+        auto accessJSON = std::string(accessKeyJson, strrchr(accessKeyJson, '}') - accessKeyJson + 1);
+        auto jsonBody = nlohmann::json::parse(accessJSON);
+        this->accessKey = jsonBody["accessToken"];
+        int expiresIn = jsonBody["expiresIn"];
+        expiresIn = expiresIn / 2;  // Refresh token before it expires
+
+        this->expiresAt =
+            timeProvider->getSyncedTimestamp() + (expiresIn * 1000);
+        callback(jsonBody["accessToken"]);
+      });
+}