CORS headers for SSE

server/build.gradle.kts

@@ -7,7 +7,7 @@ plugins {
 }
 
 group = "com.jaytux.phoebench"
-version = PhoebenchVersion(1, 1, 1)
+version = PhoebenchVersion(1, 1, 2)
 
 if((version as PhoebenchVersion) < (rootProject.version as PhoebenchVersion))
     throw GradleException("Server version must be at least as high as protocol/common version")

server/src/main/kotlin/com/jaytux/phoebench/server/Main.kt

@@ -37,20 +37,23 @@ fun Application.module() {
         json()
     }
 
-
-    install(SSE) {}
-
     val allowLocalhost = environment.config.propertyOrNull("ktor.cors.enableLocalhostOn")?.getString() ?: "0"
     val safeOrigin = environment.config.propertyOrNull("ktor.cors.browserOrigin")?.getString()
     install(CORS) {
+        // -- methods --
         allowMethod(HttpMethod.Options)
         allowMethod(HttpMethod.Delete)
         allowMethod(HttpMethod.Patch)
         allowMethod(HttpMethod.Get)
         allowMethod(HttpMethod.Post)
+        // -- headers --
         allowHeader(HttpHeaders.Accept)
+        allowHeader(HttpHeaders.Pragma)
         allowHeader(HttpHeaders.Authorization)
         allowHeader(HttpHeaders.ContentType)
+        allowHeader(HttpHeaders.CacheControl)
+        allowHeader(HttpHeaders.LastEventID)
+        // -- exposed headers --
         exposeHeader(HttpHeaders.ContentType)
         allowCredentials = true
         allowNonSimpleContentTypes = true
@@ -73,6 +76,8 @@ fun Application.module() {
         }
     }
 
+    install(SSE) {}
+
     install(StatusPages) {
         status(HttpStatusCode.Forbidden) { call, status ->
             call.respond(status, ErrorResponse("Access Forbidden: CORS failed."))