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fix for mqtt base paths - Refactor MQTT subscriptions #173

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This commit is contained in:
proddy
2021-11-02 10:42:34 +01:00
parent 54889fec41
commit d78fb53845
1 changed files with 21 additions and 17 deletions
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38
src/command.cpp
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@@ -28,40 +28,45 @@ std::vector<Command::CmdFunction> Command::cmdfunctions_;
// takes a 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
uint8_t Command::process(const char * path, const bool authenticated, const JsonObject & input, JsonObject & output) {
SUrlParser p; // parse URL for the path names
p.parse(path);
size_t num_paths = p.paths().size();
if (!num_paths) {
if (!p.paths().size()) {
output.clear();
output["message"] = "error: invalid path";
output["message"] = "error: invalid path"; // path is empty
return CommandRet::ERROR;
}
// dump paths, for debugging
// for (auto & folder : p.paths()) {
// Serial.print(folder.c_str());
// }
// must start with either "api" or the hostname
if ((p.paths().front() != "api") && (p.paths().front() != Mqtt::base())) {
output.clear();
output["message"] = "error: invalid path";
return CommandRet::ERRORED;
// check first if it's from API, if so strip the "api/"
if ((p.paths().front() == "api")) {
p.paths().erase(p.paths().begin());
} else {
p.paths().erase(p.paths().begin()); // remove it
num_paths--;
// 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];
strncpy(new_path, path, sizeof(new_path));
p.parse(new_path + Mqtt::base().length() + 1); // re-parse the stripped path
} else {
// error
output.clear();
output["message"] = "error: unrecognized path";
return CommandRet::ERRORED;
}
}
// Serial.println(p.path().c_str()); // dump paths, for debugging
size_t num_paths = p.paths().size(); // re-calculate new path
std::string cmd_s;
int8_t id_n = -1; // default hc
// check for a device
// if its not a known device (thermostat, boiler etc) look for any special MQTT subscriptions
const char * device_s = nullptr;
if (!p.paths().size()) {
if (!num_paths) {
// we must look for the device in the JSON body
if (input.containsKey("device")) {
device_s = input["device"];
@@ -573,5 +578,4 @@ bool SUrlParser::parse(const char * uri) {
return true;
}
} // namespace emsesp