128 lines
5.2 KiB
Java
128 lines
5.2 KiB
Java
package io.gitlab.jfronny.gitea.helpdesk.web;
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import io.gitlab.jfronny.commons.StringFormatter;
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import io.gitlab.jfronny.gitea.helpdesk.Config;
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import io.gitlab.jfronny.gitea.helpdesk.Main;
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import io.gitlab.jfronny.gitea.helpdesk.db.DBInterface;
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import io.gitlab.jfronny.gitea.helpdesk.gitea.GiteaInterface;
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import net.freeutils.httpserver.HTTPServer;
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import java.io.IOException;
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import java.io.UncheckedIOException;
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import java.net.URISyntaxException;
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import java.nio.charset.StandardCharsets;
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import java.util.Map;
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public class WebInterface implements AutoCloseable {
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public static final String THEME = Main.getResource("web/theme.css");
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private static final String TEMPLATE = Main.getResource("web/template.html");
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private static final String ISSUE_MISSING_REPO = page("issue/missing_repo.html");
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private static final String ISSUE_SUCCESS = page("issue/success.html");
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private static final String UNSUBSCRIBE_MISSING_ID = page("unsubscribe/missing_id.html");
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private static final String UNSUBSCRIBE_FAILURE = page("unsubscribe/failure.html");
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private static final String UNSUBSCRIBE_SUCCESS = page("unsubscribe/success.html");
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private static final String CLOSE_MISSING_ID = page("close/missing_id.html");
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private static final String CLOSE_FAILURE = page("close/failure.html");
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private static final String CLOSE_SUCCESS = page("close/success.html");
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private static String page(String path) {
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return TEMPLATE.formatted(Main.getResource("web/" + path));
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}
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private final HTTPServer server;
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private final Config.Web web;
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public WebInterface(Config.Web web, String address, DBInterface db, GiteaInterface gitea) throws IOException {
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server = new HTTPServer(web.port);
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this.web = web;
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HTTPServer.VirtualHost host = server.getVirtualHost(null);
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host.addContext("/unsubscribe", (req, resp) -> {
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String id = req.getParams().get("id");
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if (id == null) {
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resp.send(404, UNSUBSCRIBE_MISSING_ID);
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} else {
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try {
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db.removeSubscription(id);
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resp.send(202, UNSUBSCRIBE_SUCCESS);
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} catch (Throwable e) {
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resp.send(500, UNSUBSCRIBE_FAILURE.formatted(escapeHTML(StringFormatter.toString(e))));
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}
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}
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return 0;
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});
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host.addContext("/close", ((req, resp) -> {
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String id = req.getParams().get("id");
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if (id == null) {
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resp.send(404, CLOSE_MISSING_ID);
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} else {
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try {
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db.getSubscription(id).ifPresentOrElse(sub -> {
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try {
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gitea.closeIssue(sub.repoOwner(), sub.repo(), sub.issue());
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resp.send(202, CLOSE_SUCCESS);
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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} catch (URISyntaxException e) {
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throw new RuntimeException(e);
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}
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}, () -> {
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try {
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resp.send(404, CLOSE_MISSING_ID);
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} catch (IOException e) {
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throw new UncheckedIOException(e);
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}
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});
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} catch (Throwable e) {
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resp.send(500, CLOSE_FAILURE.formatted(escapeHTML(StringFormatter.toString(e))));
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}
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}
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return 0;
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}));
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String[] addr = address.split("@");
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host.addContext("/issue", (req, resp) -> {
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Map<String, String> params = req.getParams();
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String owner = params.get("owner");
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String repo = params.get("repo");
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if (owner == null || repo == null || owner.contains("+") || repo.contains("+")) {
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resp.send(404, ISSUE_MISSING_REPO);
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} else {
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String mail = "mailto:create+" + addr[0] + '+' + owner + '+' + repo;
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resp.send(200, ISSUE_SUCCESS.formatted(escapeHTML(mail)));
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}
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return 0;
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});
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host.addContext("/theme.css", (req, resp) -> {
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byte[] content = THEME.getBytes(StandardCharsets.UTF_8);
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resp.sendHeaders(200, content.length, -1, "W/\"" + Integer.toHexString(THEME.hashCode()) + "\"", "text/css; charset=utf-8", null);
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resp.getBody().write(content);
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return 0;
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});
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server.start();
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}
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@Override
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public void close() {
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server.stop();
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}
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public static String escapeHTML(String s) {
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StringBuilder out = new StringBuilder();
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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if (c > 127 || c == '"' || c == '\'' || c == '<' || c == '>' || c == '&') {
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out.append("&#");
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out.append((int) c);
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out.append(';');
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} else if (c == '\n') {
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out.append("<br>\n");
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} else {
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out.append(c);
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}
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}
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return out.toString();
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}
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public String getAddress() {
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return web.publicAddress;
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}
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}
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