HS-Esslingen/esp-firewall
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show endpoints when route not found

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This commit is contained in:
Florian Hoss 2022-05-02 16:31:48 +02:00
parent e012c82e16
commit a40b81b45d
5 changed files with 96 additions and 23 deletions
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75
ESPFirewall/lib/Firewall/src/API.cpp
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@ -63,16 +63,49 @@ namespace fw
this->server->getServer().setRSACert(new BearSSL::X509List(cert), new BearSSL::PrivateKey(key));
this->server->getServer().setCache(serverCache);
#endif
this->server->on(UriRegex("/api/v1/firewall/([0-9]+)"), HTTP_GET, std::bind(&API::get_firewall_rule_handler, this));
this->server->on("/api/v1/firewall", HTTP_GET, std::bind(&API::get_firewall_rules_handler, this));
this->server->on("/api/v1/firewall", HTTP_POST, std::bind(&API::post_firewall_handler, this));
this->server->on(UriRegex("/api/v1/firewall/([0-9]+)"), HTTP_DELETE, std::bind(&API::delete_firewall_handler, this));
this->server->on("/firewall", HTTP_GET, std::bind(&API::get_firewall_rules_handler, this));
add_api_endpoint("/firewall", "GET", "Get all Firewall Rules");
this->server->on(UriRegex("/firewall/([0-9]+)"), HTTP_GET, std::bind(&API::get_firewall_rule_handler, this));
add_api_endpoint("/firewall/key", "GET", "Get Firewall Rule by key");
this->server->on("/firewall", HTTP_POST, std::bind(&API::post_firewall_handler, this));
add_api_endpoint("/firewall", "POST", "Create Firewall Rule");
this->server->on(UriRegex("/firewall/([0-9]+)"), HTTP_DELETE, std::bind(&API::delete_firewall_handler, this));
add_api_endpoint("/firewall/key", "DELETE", "Delete Firewall Rule by key");
this->server->onNotFound(std::bind(&API::not_found_handler, this));
}
void API::add_api_endpoint(const char *uri, const char *method, const char *description)
{
api_endpoint_t *temp;
api_endpoint_t *api_ptr = (api_endpoint_t *)malloc(sizeof(api_endpoint_t));
strncpy(api_ptr->uri, uri, sizeof(api_ptr->uri));
strncpy(api_ptr->method, method, sizeof(api_ptr->method));
strncpy(api_ptr->description, description, sizeof(api_ptr->description));
if (this->endpoint_head == NULL)
{
this->endpoint_head = api_ptr;
api_ptr->next = NULL;
return;
}
temp = this->endpoint_head;
while (temp->next != NULL)
{
temp = temp->next;
}
temp->next = api_ptr;
api_ptr->next = NULL;
return;
}
void API::not_found_handler()
{
this->json_message_response("not found", 404);
this->json_generic_response(this->construct_json_endpoints(), 404);
}
void API::get_firewall_rule_handler()
@ -199,15 +232,43 @@ namespace fw
String API::construct_json_firewall()
{
firewall_rule_t *rule_ptr = head;
firewall_rule_t *rule_ptr = rule_head;
String serialized_string = "{";
serialized_string += json_new_attribute("amount_of_rules", amount_of_rules);
serialized_string += "\"rules\": [";
while (rule_ptr != NULL)
{
serialized_string += construct_json_firewall_rule(rule_ptr);
serialized_string += ",";
rule_ptr = rule_ptr->next;
if (rule_ptr != NULL)
serialized_string += ",";
}
serialized_string += "]}";
return serialized_string;
}
String API::construct_json_endpoint(api_endpoint_t *api_ptr)
{
String serialized_string = "{";
serialized_string += json_new_attribute("endpoint", api_ptr->uri);
serialized_string += json_new_attribute("description", api_ptr->description);
serialized_string += json_new_attribute("method", api_ptr->method, true);
serialized_string += "}";
return serialized_string;
}
String API::construct_json_endpoints()
{
api_endpoint_t *api_ptr = this->endpoint_head;
String serialized_string = "{";
serialized_string += json_new_attribute("message", "route not found");
serialized_string += "\"endpoints\": [";
while (api_ptr != NULL)
{
serialized_string += construct_json_endpoint(api_ptr);
api_ptr = api_ptr->next;
if (api_ptr != NULL)
serialized_string += ",";
}
serialized_string += "]}";
return serialized_string;