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tidy up how paths are checked for API and MQTT

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This commit is contained in:
proddy
2024-07-26 13:25:02 +02:00
parent b3532bd372
commit 51783ab7a1
1 changed files with 15 additions and 20 deletions
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35
src/command.cpp
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@@ -26,7 +26,7 @@ uuid::log::Logger Command::logger_{F_(command), uuid::log::Facility::DAEMON};
std::vector<Command::CmdFunction> Command::cmdfunctions_;
// takes a path and a json body, parses the data and calls the command
// takes a URI path and a json body, parses the data and calls the command
// the path is leading so if duplicate keys are in the input JSON it will be ignored
// the entry point will be either via the Web API (api/) or MQTT (<base>/)
// returns a return code and json output
@@ -34,22 +34,11 @@ uint8_t Command::process(const char * path, const bool is_admin, const JsonObjec
SUrlParser p; // parse URL for the path names
p.parse(path);
if (!p.paths().size()) {
return json_message(CommandRet::ERROR, "invalid path", output);
}
// check first if it's from API, if so strip the "api/"
if (p.paths().front() == "api") {
// check first if it's from API or MQTT, if so strip the "api/" or "<base>/" from the path
if (p.paths().size() && ((p.paths().front() == "api") || (p.paths().front() == Mqtt::base()))) {
p.paths().erase(p.paths().begin());
} else {
// not /api, so must be MQTT path. Check for base and remove it.
if (!strncmp(path, Mqtt::base().c_str(), Mqtt::base().length())) {
char new_path[Mqtt::MQTT_TOPIC_MAX_SIZE];
strlcpy(new_path, path, sizeof(new_path));
p.parse(new_path + Mqtt::base().length() + 1); // re-parse the stripped path
} else {
return json_message(CommandRet::ERROR, "unrecognized path", output); // error
}
return json_message(CommandRet::ERROR, "invalid path", output, path); // error
}
// re-calculate new path
@@ -697,15 +686,21 @@ void Command::show_all(uuid::console::Shell & shell) {
shell.println();
}
uint8_t Command::json_message(uint8_t error_code, const char * message, const JsonObject output) {
// creates a single json document with an error message
// object is optional
uint8_t Command::json_message(uint8_t error_code, const char * message, const JsonObject output, const char * object) {
output.clear();
output["message"] = message;
if (object) {
output["message"] = std::string(message) + " " + object;
} else {
output["message"] = message;
}
return error_code;
}
//
// SUrlParser class
//
// **************************
// **** SUrlParser class ****
// **************************
// Extract only the path component from the passed URI and normalized it
// e.g. //one/two////three/// becomes /one/two/three