114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
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#include <cstdio>
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#include <fstream>
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#include <iostream>
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#include <crow/app.h>
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#include <nlohmann/json.hpp>
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#include <string>
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int main(int argc, char **argv) {
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if (argc != 2) {
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std::cerr << "Usage: " << argv[0] << " <config_file>" << std::endl;
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return 1;
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}
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std::ifstream config_file(argv[1]);
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if (!config_file.is_open()) {
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std::cerr << "Failed to open config.json" << std::endl;
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return 1;
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}
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nlohmann::json config;
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try {
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config_file >> config;
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} catch (const std::exception &e) {
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std::cerr << "Failed to parse config.json: " << e.what() << std::endl;
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return 1;
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}
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int port = config["port"];
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nlohmann::json &repos = config["repos"];
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nlohmann::json &tokens = config["tokens"];
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crow::SimpleApp app;
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CROW_ROUTE(app, "/github-webhook")
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.methods("POST"_method)
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([&repos, &tokens](const crow::request &req) {
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try {
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// Parse JSON payload from the request body
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nlohmann::json payload = nlohmann::json::parse(req.body);
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nlohmann::json response;
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std::string ref = payload["ref"];
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size_t last_slash = ref.find_last_of('/');
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if (last_slash != std::string::npos && last_slash + 1 < ref.length())
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ref = ref.substr(last_slash + 1);
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std::string repo = payload["repository"]["full_name"];
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bool is_private = payload["repository"]["private"];
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if (is_private && tokens.find(repo) == tokens.end()) {
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printf("No token configured for private repo %s\n", repo.c_str());
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response["status"] = 403;
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response["error"] = "No token configured for private repo";
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return crow::response(403, response.dump());
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}
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std::string token = tokens[repo];
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printf("Received push to %s:%s (private: %s)\n", repo.c_str(), ref.c_str(), is_private ? "true" : "false");
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if (repos.find(repo) == repos.end()) {
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printf("No webhook configured for %s\n", repo.c_str());
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response["status"] = 404;
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response["error"] = "No webhook configured for repo";
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return crow::response(404, response.dump());
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}
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nlohmann::json repo_data;
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bool is_valid_branch = false;
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for (auto c_repo = repos.begin(); c_repo != repos.end(); ++c_repo) {
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std::string c_repo_name = c_repo.key();
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if (c_repo_name != repo) continue;
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if (c_repo.value()["branch"] != ref) continue;
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is_valid_branch = true;
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repo_data = c_repo.value();
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}
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if (!is_valid_branch) {
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printf("No webhook configured for %s:%s\n", repo.c_str(), ref.c_str());
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response["status"] = 404;
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response["error"] = "No webhook configured for branch" + ref;
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return crow::response(404, response.dump());
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}
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if (repo_data["files"].empty()) {
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printf("No files configured for %s:%s\n", repo.c_str(), ref.c_str());
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response["status"] = 404;
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response["error"] = "No files configured for branch " + ref;
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return crow::response(404, response.dump());
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}
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response["updated"] = nlohmann::json::array();
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for (auto &commit : payload["commits"]) {
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for (auto &file : commit["modified"]) {
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std::string file_path = file;
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if (repos[repo]["files"].find(file_path) == repos[repo]["files"].end()) continue;
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std::string path = repos[repo]["files"][file_path];
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std::string create_dir = "mkdir -p $(dirname " + path + ")";
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std::string command = "curl -s https://raw.githubusercontent.com/" + repo + "/" + ref + "/" + file_path + " -H 'Authorization: token " + token + "' -o " + path;
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std::system(create_dir.c_str());
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std::system(command.c_str());
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printf("Updated %s\n", path.c_str());
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response["updated"].push_back(file_path);
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}
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}
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response["status"] = 200;
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return crow::response(200, response.dump());
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} catch (const std::exception &e) {
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std::cerr << "Error processing webhook: " << e.what() << std::endl;
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return crow::response(500);
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}
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});
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app.port(port).multithreaded().run();
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}
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