d92ca10990
Change-Id: Ib6f4fd5817fb5415cff5ea1d8c75c8c9a08d56b4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/7185 Tested-by: BuildkiteCI Reviewed-by: tazjin <tazjin@tvl.su>
215 lines
8.8 KiB
Diff
215 lines
8.8 KiB
Diff
From f49c50ca9a84ca374b7bd91c171bbea0457f2c7a Mon Sep 17 00:00:00 2001
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From: Luke Granger-Brown <git@lukegb.com>
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Date: Thu, 2 Jul 2020 23:03:02 +0100
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Subject: [PATCH 3/3] Add titles to CLs over HTTP
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---
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.../gerrit/httpd/raw/IndexHtmlUtil.java | 13 +++-
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.../google/gerrit/httpd/raw/IndexServlet.java | 8 ++-
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.../google/gerrit/httpd/raw/StaticModule.java | 5 +-
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.../gerrit/httpd/raw/TitleComputer.java | 67 +++++++++++++++++++
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.../gerrit/httpd/raw/PolyGerritIndexHtml.soy | 4 +-
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5 files changed, 89 insertions(+), 8 deletions(-)
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create mode 100644 java/com/google/gerrit/httpd/raw/TitleComputer.java
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diff --git a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
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index 72bfe40c3b..439bd73b44 100644
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--- a/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
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+++ b/java/com/google/gerrit/httpd/raw/IndexHtmlUtil.java
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@@ -41,6 +41,7 @@ import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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+import java.util.Optional;
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import java.util.Set;
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import java.util.function.Function;
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@@ -62,13 +63,14 @@ public class IndexHtmlUtil {
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String faviconPath,
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Map<String, String[]> urlParameterMap,
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Function<String, SanitizedContent> urlInScriptTagOrdainer,
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- String requestedURL)
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+ String requestedURL,
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+ TitleComputer titleComputer)
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throws URISyntaxException, RestApiException {
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ImmutableMap.Builder<String, Object> data = ImmutableMap.builder();
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data.putAll(
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staticTemplateData(
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canonicalURL, cdnPath, faviconPath, urlParameterMap, urlInScriptTagOrdainer))
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- .putAll(dynamicTemplateData(gerritApi, requestedURL));
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+ .putAll(dynamicTemplateData(gerritApi, requestedURL, titleComputer));
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Set<String> enabledExperiments = new HashSet<>();
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enabledExperiments.addAll(experimentFeatures.getEnabledExperimentFeatures());
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// Add all experiments enabled through url
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@@ -81,7 +83,8 @@ public class IndexHtmlUtil {
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/** Returns dynamic parameters of {@code index.html}. */
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public static ImmutableMap<String, Object> dynamicTemplateData(
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- GerritApi gerritApi, String requestedURL) throws RestApiException, URISyntaxException {
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+ GerritApi gerritApi, String requestedURL, TitleComputer titleComputer)
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+ throws RestApiException, URISyntaxException {
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ImmutableMap.Builder<String, Object> data = ImmutableMap.builder();
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Map<String, SanitizedContent> initialData = new HashMap<>();
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Server serverApi = gerritApi.config().server();
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@@ -129,6 +132,10 @@ public class IndexHtmlUtil {
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}
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data.put("gerritInitialData", initialData);
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+
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+ Optional<String> title = titleComputer.computeTitle(requestedURL);
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+ title.ifPresent(s -> data.put("title", s));
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+
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return data.build();
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}
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diff --git a/java/com/google/gerrit/httpd/raw/IndexServlet.java b/java/com/google/gerrit/httpd/raw/IndexServlet.java
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index fcb821e5ae..e1464b992b 100644
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--- a/java/com/google/gerrit/httpd/raw/IndexServlet.java
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+++ b/java/com/google/gerrit/httpd/raw/IndexServlet.java
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@@ -48,13 +48,15 @@ public class IndexServlet extends HttpServlet {
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private final ExperimentFeatures experimentFeatures;
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private final SoySauce soySauce;
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private final Function<String, SanitizedContent> urlOrdainer;
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+ private TitleComputer titleComputer;
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IndexServlet(
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@Nullable String canonicalUrl,
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@Nullable String cdnPath,
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@Nullable String faviconPath,
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GerritApi gerritApi,
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- ExperimentFeatures experimentFeatures) {
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+ ExperimentFeatures experimentFeatures,
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+ TitleComputer titleComputer) {
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this.canonicalUrl = canonicalUrl;
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this.cdnPath = cdnPath;
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this.faviconPath = faviconPath;
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@@ -69,6 +71,7 @@ public class IndexServlet extends HttpServlet {
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(s) ->
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UnsafeSanitizedContentOrdainer.ordainAsSafe(
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s, SanitizedContent.ContentKind.TRUSTED_RESOURCE_URI);
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+ this.titleComputer = titleComputer;
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}
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@Override
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@@ -86,7 +89,8 @@ public class IndexServlet extends HttpServlet {
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faviconPath,
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parameterMap,
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urlOrdainer,
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- getRequestUrl(req));
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+ getRequestUrl(req),
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+ titleComputer);
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renderer = soySauce.renderTemplate("com.google.gerrit.httpd.raw.Index").setData(templateData);
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} catch (URISyntaxException | RestApiException e) {
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throw new IOException(e);
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diff --git a/java/com/google/gerrit/httpd/raw/StaticModule.java b/java/com/google/gerrit/httpd/raw/StaticModule.java
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index 15dcf42e0e..9f56bf33ce 100644
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--- a/java/com/google/gerrit/httpd/raw/StaticModule.java
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+++ b/java/com/google/gerrit/httpd/raw/StaticModule.java
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@@ -241,10 +241,11 @@ public class StaticModule extends ServletModule {
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@CanonicalWebUrl @Nullable String canonicalUrl,
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@GerritServerConfig Config cfg,
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GerritApi gerritApi,
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- ExperimentFeatures experimentFeatures) {
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+ ExperimentFeatures experimentFeatures,
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+ TitleComputer titleComputer) {
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String cdnPath = options.devCdn().orElse(cfg.getString("gerrit", null, "cdnPath"));
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String faviconPath = cfg.getString("gerrit", null, "faviconPath");
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- return new IndexServlet(canonicalUrl, cdnPath, faviconPath, gerritApi, experimentFeatures);
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+ return new IndexServlet(canonicalUrl, cdnPath, faviconPath, gerritApi, experimentFeatures, titleComputer);
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}
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@Provides
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diff --git a/java/com/google/gerrit/httpd/raw/TitleComputer.java b/java/com/google/gerrit/httpd/raw/TitleComputer.java
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new file mode 100644
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index 0000000000..8fd2053ad0
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--- /dev/null
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+++ b/java/com/google/gerrit/httpd/raw/TitleComputer.java
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@@ -0,0 +1,67 @@
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+package com.google.gerrit.httpd.raw;
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+
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+import com.google.common.flogger.FluentLogger;
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+import com.google.gerrit.entities.Change;
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+import com.google.gerrit.extensions.restapi.ResourceConflictException;
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+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
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+import com.google.gerrit.server.change.ChangeResource;
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+import com.google.gerrit.server.permissions.PermissionBackendException;
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+import com.google.gerrit.server.restapi.change.ChangesCollection;
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+import com.google.inject.Inject;
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+import com.google.inject.Provider;
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+import com.google.inject.Singleton;
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+
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+import java.net.MalformedURLException;
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+import java.net.URL;
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+import java.util.Optional;
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+import java.util.regex.Matcher;
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+import java.util.regex.Pattern;
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+
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+@Singleton
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+public class TitleComputer {
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+ private static final FluentLogger logger = FluentLogger.forEnclosingClass();
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+
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+ @Inject
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+ public TitleComputer(Provider<ChangesCollection> changes) {
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+ this.changes = changes;
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+ }
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+
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+ public Optional<String> computeTitle(String requestedURI) {
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+ URL url = null;
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+ try {
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+ url = new URL(requestedURI);
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+ } catch (MalformedURLException e) {
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+ logger.atWarning().log("Failed to turn %s into a URL.", requestedURI);
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+ return Optional.empty();
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+ }
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+
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+ // Try to turn this into a change.
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+ Optional<Change.Id> changeId = tryExtractChange(url.getPath());
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+ if (changeId.isPresent()) {
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+ return titleFromChangeId(changeId.get());
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+ }
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+
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+ return Optional.empty();
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+ }
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+
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+ private static final Pattern extractChangeIdRegex = Pattern.compile("^/(?:c/.*/\\+/)?(?<changeId>[0-9]+)(?:/[0-9]+)?(?:/.*)?$");
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+ private final Provider<ChangesCollection> changes;
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+
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+ private Optional<Change.Id> tryExtractChange(String path) {
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+ Matcher m = extractChangeIdRegex.matcher(path);
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+ if (!m.matches()) {
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+ return Optional.empty();
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+ }
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+ return Change.Id.tryParse(m.group("changeId"));
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+ }
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+
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+ private Optional<String> titleFromChangeId(Change.Id changeId) {
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+ ChangesCollection changesCollection = changes.get();
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+ try {
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+ ChangeResource changeResource = changesCollection.parse(changeId);
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+ return Optional.of(changeResource.getChange().getSubject());
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+ } catch (ResourceConflictException | ResourceNotFoundException | PermissionBackendException e) {
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+ return Optional.empty();
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+ }
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+ }
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+}
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diff --git a/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy b/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
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index dbfef44dfe..347ee75aab 100644
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--- a/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
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+++ b/resources/com/google/gerrit/httpd/raw/PolyGerritIndexHtml.soy
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@@ -33,10 +33,12 @@
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{@param? defaultDashboardHex: ?}
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{@param? dashboardQuery: ?}
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{@param? userIsAuthenticated: ?}
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+ {@param? title: ?}
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<!DOCTYPE html>{\n}
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<html lang="en">{\n}
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<meta charset="utf-8">{\n}
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- <meta name="description" content="Gerrit Code Review">{\n}
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+ {if $title}<title>{$title} · Gerrit Code Review</title>{\n}{/if}
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+ <meta name="description" content="{if $title}{$title} · {/if}Gerrit Code Review">{\n}
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<meta name="referrer" content="never">{\n}
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">{\n}
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--
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2.37.3
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