HTML is to be filled with app URL, API key & host

JS then calls WASM, which in this example, tries to get products.

1 files changed, 31 insertions, 2 deletions

diff --git a/pages/index.c b/pages/index.c
index 08aa2d6..91d8471 100644
--- a/pages/index.c
+++ b/pages/index.c
@@ -1,6 +1,35 @@
+#include <stdio.h>
+#include <string.h>
 #include <emscripten/fetch.h>
 
-int main(int argc, char *argv[])
+static void handle_success(emscripten_fetch_t *fetch)
 {
-	EM_ASM(authenticatedFetch("/products"));
+	printf("Finished downloading %llu bytes from URL %s.\n",
+			fetch->numBytes, fetch->url);
+	emscripten_fetch_close(fetch);
+}
+
+static void handle_error(emscripten_fetch_t *fetch)
+{
+	printf("Downloading %s failed, HTTP failure status code: %d.\n",
+			fetch->url, fetch->status);
+	emscripten_fetch_close(fetch);
+}
+
+void index_getproducts(const char *token, const char *app_url)
+{
+	emscripten_fetch_attr_t attr;
+	emscripten_fetch_attr_init(&attr);
+	strcpy(attr.requestMethod, "GET");
+	attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY;
+	attr.onsuccess = handle_success;
+	attr.onerror = handle_error;
+	static const char *schema = "Bearer ";
+	char auth[strlen(schema) + strlen(token) + 1];
+	sprintf(auth, "%s%s", schema, token);
+	attr.requestHeaders = (const char *[]){ "Authorization", auth, NULL };
+	static const char *path = "/products";
+	char url[strlen(app_url) + strlen(path) + 1];
+	sprintf(url, "%s%s", app_url, path);
+	emscripten_fetch(&attr, url);
 }