Add PhotoPrism widget

src/widgets/photoprism/proxy.js

@@ -0,0 +1,48 @@
+import { formatApiCall } from "utils/proxy/api-helpers";
+import { httpProxy } from "utils/proxy/http";
+import getServiceWidget from "utils/config/service-helpers";
+import createLogger from "utils/logger";
+
+const logger = createLogger("photoprismProxyHandler");
+
+export default async function photoprismProxyHandler(req, res) {
+  const { group, service, endpoint } = req.query;
+
+  if (!group || !service) {
+    logger.debug("Invalid or missing service '%s' or group '%s'", service, group);
+    return res.status(400).json({ error: "Invalid proxy service type" });
+  }
+
+  const widget = await getServiceWidget(group, service);
+
+  if (!widget) {
+    logger.debug("Invalid or missing widget for service '%s' in group '%s'", service, group);
+    return res.status(400).json({ error: "Invalid proxy service type" });
+  }
+
+  const url = new URL(formatApiCall("{url}/api/v1/session", { endpoint, ...widget }));
+  const params = { 
+    method: "POST", 
+    headers: { "Content-Type": "application/json" }, 
+    body: null
+  };
+
+  if (widget.username && widget.password) {
+    params.body = JSON.stringify({
+      "username": widget.username,
+      "password": widget.password
+    });
+  }
+
+  let [status, contentType, data] = await httpProxy(url, params);
+
+  if (status !== 200) {
+    logger.error("HTTP %d getting data from PhotoPrism.  Data: %s", status, data);
+    return res.status(status).json({error: {message: `HTTP Error ${status}`, url, data}});
+  }
+
+  const json = JSON.parse(data.toString())
+  
+  if (contentType) res.setHeader("Content-Type", contentType);
+  return res.status(200).send(json?.config?.count);
+}