added endpoints end refactor

src/get_token.c

@@ -0,0 +1,28 @@
+#include "user.h"
+#include "jwt.h"
+
+void get_token(struct mg_connection *c, struct mg_http_message *hm) {
+  if (hm->body.len == 0) {
+    mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
+                  MG_ESC("must have username and password"));
+    return;
+  }
+  cJSON *jsonbody = cJSON_Parse(hm->body.buf);
+  cJSON *username = cJSON_GetObjectItem(jsonbody, "username");
+  cJSON *password = cJSON_GetObjectItem(jsonbody, "password");
+  if (username == NULL || password == NULL) {
+    const char *error_ptr = cJSON_GetErrorPtr();
+    if (error_ptr != NULL) {
+      mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"), MG_ESC(error_ptr));
+      return;
+    }
+    mg_http_reply(c, 400, "", "{%m:%m}", MG_ESC("error"),
+                  MG_ESC("must have username and password"));
+    return;
+  }
+  const char *header = "{\"alg\":\"HS256\",\"typ\":\"JWT\"}";
+  const char *payload = "{\"sub\": \"1234567890\",\"username\": "
+                        "\"tola\",\"is_superuser\": true,\"iat\": 1516239022}";
+  char *token = jwt_createJWT(header, payload, JWT_DEFAULT_SECRET);
+  mg_http_reply(c, 200, "", "{%m:%m}", MG_ESC("token"), MG_ESC(token));
+}