feat(mobile): use custom headers when connecting in widget (#20666)

* feat(mobile): use custom headers when connecting in widget

* delete log in android widget

* chore: code review changes

mobile/android/app/src/main/kotlin/app/alextran/immich/widget/ImmichAPI.kt

@@ -24,14 +24,23 @@ class ImmichAPI(cfg: ServerConfig) {
 
       val serverURL = prefs.getString("widget_server_url", "") ?: ""
       val sessionKey = prefs.getString("widget_auth_token", "") ?: ""
+      val customHeadersJSON = prefs.getString("widget_custom_headers", "") ?: ""
 
       if (serverURL.isBlank() || sessionKey.isBlank()) {
         return null
       }
 
+      var customHeaders: Map<String, String> = HashMap<String, String>()
+
+      if (customHeadersJSON.isNotBlank()) {
+        val stringMapType = object : TypeToken<Map<String, String>>() {}.type
+        customHeaders = Gson().fromJson(customHeadersJSON, stringMapType)
+      }
+
       return ServerConfig(
         serverURL,
-        sessionKey
+        sessionKey,
+        customHeaders
       )
     }
   }
@@ -50,11 +59,19 @@ class ImmichAPI(cfg: ServerConfig) {
     return URL(urlString.toString())
   }
 
+  private fun HttpURLConnection.applyCustomHeaders() {
+    serverConfig.customHeaders.forEach { (key, value) ->
+      setRequestProperty(key, value)
+    }
+  }
+
   suspend fun fetchSearchResults(filters: SearchFilters): List<Asset> = withContext(Dispatchers.IO) {
     val url = buildRequestURL("/search/random")
     val connection = (url.openConnection() as HttpURLConnection).apply {
       requestMethod = "POST"
       setRequestProperty("Content-Type", "application/json")
+      applyCustomHeaders()
+
       doOutput = true
     }
 
@@ -75,6 +92,7 @@ class ImmichAPI(cfg: ServerConfig) {
     val url = buildRequestURL("/memories", listOf("for" to iso8601))
     val connection = (url.openConnection() as HttpURLConnection).apply {
       requestMethod = "GET"
+      applyCustomHeaders()
     }
 
     val response = connection.inputStream.bufferedReader().readText()
@@ -94,6 +112,7 @@ class ImmichAPI(cfg: ServerConfig) {
     val url = buildRequestURL("/albums")
     val connection = (url.openConnection() as HttpURLConnection).apply {
       requestMethod = "GET"
+      applyCustomHeaders()
     }
 
     val response = connection.inputStream.bufferedReader().readText()

mobile/android/app/src/main/kotlin/app/alextran/immich/widget/model/Model.kt

@@ -55,7 +55,11 @@ data class WidgetEntry (
   val deeplink: String?
 )
 
-data class ServerConfig(val serverEndpoint: String, val sessionKey: String)
+data class ServerConfig(
+  val serverEndpoint: String,
+  val sessionKey: String,
+  val customHeaders: Map<String, String>
+)
 
 // MARK: Widget State Keys
 val kImageUUID = stringPreferencesKey("uuid")