Package com.gitblit.wicket.pages

Source Code of com.gitblit.wicket.pages.EditRepositoryPage

/*
* Copyright 2011 gitblit.com.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gitblit.wicket.pages;

import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.apache.wicket.PageParameters;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormChoiceComponentUpdatingBehavior;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.extensions.markup.html.form.palette.Palette;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.form.CheckBox;
import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.IChoiceRenderer;
import org.apache.wicket.markup.html.form.RadioChoice;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.CompoundPropertyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.util.CollectionModel;
import org.apache.wicket.model.util.ListModel;
import org.eclipse.jgit.lib.Repository;

import com.gitblit.Constants;
import com.gitblit.Constants.AccessRestrictionType;
import com.gitblit.Constants.AuthorizationControl;
import com.gitblit.Constants.CommitMessageRenderer;
import com.gitblit.Constants.FederationStrategy;
import com.gitblit.Constants.RegistrantType;
import com.gitblit.GitBlitException;
import com.gitblit.Keys;
import com.gitblit.models.RegistrantAccessPermission;
import com.gitblit.models.RepositoryModel;
import com.gitblit.models.UserChoice;
import com.gitblit.models.UserModel;
import com.gitblit.utils.ArrayUtils;
import com.gitblit.utils.StringUtils;
import com.gitblit.wicket.GitBlitWebSession;
import com.gitblit.wicket.StringChoiceRenderer;
import com.gitblit.wicket.WicketUtils;
import com.gitblit.wicket.panels.BulletListPanel;
import com.gitblit.wicket.panels.RegistrantPermissionsPanel;

public class EditRepositoryPage extends RootSubPage {

  private final boolean isCreate;

  private boolean isAdmin;

  RepositoryModel repositoryModel;

  private IModel<String> metricAuthorExclusions;

  private IModel<String> mailingLists;

  public EditRepositoryPage() {
    // create constructor
    super();
    isCreate = true;
    RepositoryModel model = new RepositoryModel();
    String restriction = app().settings().getString(Keys.git.defaultAccessRestriction, "PUSH");
    model.accessRestriction = AccessRestrictionType.fromName(restriction);
    String authorization = app().settings().getString(Keys.git.defaultAuthorizationControl, null);
    model.authorizationControl = AuthorizationControl.fromName(authorization);

    GitBlitWebSession session = GitBlitWebSession.get();
    UserModel user = session.getUser();
    if (user != null && user.canCreate() && !user.canAdmin()) {
      // personal create permissions, inject personal repository path
      model.name = user.getPersonalPath() + "/";
      model.projectPath = user.getPersonalPath();
      model.addOwner(user.username);
      // personal repositories are private by default
      model.accessRestriction = AccessRestrictionType.VIEW;
      model.authorizationControl = AuthorizationControl.NAMED;
    }

    setupPage(model);
    setStatelessHint(false);
    setOutputMarkupId(true);
  }

  public EditRepositoryPage(PageParameters params) {
    // edit constructor
    super(params);
    isCreate = false;
    String name = WicketUtils.getRepositoryName(params);
    RepositoryModel model = app().repositories().getRepositoryModel(name);
    setupPage(model);
    setStatelessHint(false);
    setOutputMarkupId(true);
  }

  @Override
  protected boolean requiresPageMap() {
    return true;
  }

  @Override
  protected Class<? extends BasePage> getRootNavPageClass() {
    return RepositoriesPage.class;
  }

  protected void setupPage(RepositoryModel model) {
    this.repositoryModel = model;

    // ensure this user can create or edit this repository
    checkPermissions(repositoryModel);

    List<String> indexedBranches = new ArrayList<String>();
    List<String> federationSets = new ArrayList<String>();
    final List<RegistrantAccessPermission> repositoryUsers = new ArrayList<RegistrantAccessPermission>();
    final List<RegistrantAccessPermission> repositoryTeams = new ArrayList<RegistrantAccessPermission>();
    List<String> preReceiveScripts = new ArrayList<String>();
    List<String> postReceiveScripts = new ArrayList<String>();

    GitBlitWebSession session = GitBlitWebSession.get();
    final UserModel user = session.getUser() == null ? UserModel.ANONYMOUS : session.getUser();
    final boolean allowEditName = isCreate || isAdmin || repositoryModel.isUsersPersonalRepository(user.username);

    if (isCreate) {
      if (user.canAdmin()) {
        super.setupPage(getString("gb.newRepository"), "");
      } else {
        super.setupPage(getString("gb.newRepository"), user.getDisplayName());
      }
    } else {
      super.setupPage(getString("gb.edit"), repositoryModel.name);
      repositoryUsers.addAll(app().repositories().getUserAccessPermissions(repositoryModel));
      repositoryTeams.addAll(app().repositories().getTeamAccessPermissions(repositoryModel));
      Collections.sort(repositoryUsers);
      Collections.sort(repositoryTeams);

      federationSets.addAll(repositoryModel.federationSets);
      if (!ArrayUtils.isEmpty(repositoryModel.indexedBranches)) {
        indexedBranches.addAll(repositoryModel.indexedBranches);
      }
    }

    final String oldName = repositoryModel.name;

    final RegistrantPermissionsPanel usersPalette = new RegistrantPermissionsPanel("users",
        RegistrantType.USER, app().users().getAllUsernames(), repositoryUsers, getAccessPermissions());
    final RegistrantPermissionsPanel teamsPalette = new RegistrantPermissionsPanel("teams",
        RegistrantType.TEAM, app().users().getAllTeamNames(), repositoryTeams, getAccessPermissions());

    // owners palette
    List<UserChoice> owners = new ArrayList<UserChoice>();
    for (String owner : repositoryModel.owners) {
      UserModel o = app().users().getUserModel(owner);
      if (o != null) {
        owners.add(new UserChoice(o.getDisplayName(), o.username, o.emailAddress));
      } else {
        owners.add(new UserChoice(owner));
      }
    }
    List<UserChoice> persons = new ArrayList<UserChoice>();
    for (String person : app().users().getAllUsernames()) {
      UserModel o = app().users().getUserModel(person);
      if (o != null) {
        persons.add(new UserChoice(o.getDisplayName(), o.username, o.emailAddress));
      } else {
        persons.add(new UserChoice(person));
      }
    }
    final Palette<UserChoice> ownersPalette = new Palette<UserChoice>("owners", new ListModel<UserChoice>(owners), new CollectionModel<UserChoice>(
          persons), new ChoiceRenderer<UserChoice>(null, "userId"), 12, true);

    // indexed local branches palette
    List<String> allLocalBranches = new ArrayList<String>();
    allLocalBranches.add(Constants.DEFAULT_BRANCH);
    allLocalBranches.addAll(repositoryModel.getLocalBranches());
    boolean luceneEnabled = app().settings().getBoolean(Keys.web.allowLuceneIndexing, true);
    final Palette<String> indexedBranchesPalette = new Palette<String>("indexedBranches", new ListModel<String>(
        indexedBranches), new CollectionModel<String>(allLocalBranches),
        new StringChoiceRenderer(), 8, false);
    indexedBranchesPalette.setEnabled(luceneEnabled);

    // federation sets palette
    List<String> sets = app().settings().getStrings(Keys.federation.sets);
    final Palette<String> federationSetsPalette = new Palette<String>("federationSets",
        new ListModel<String>(federationSets), new CollectionModel<String>(sets),
        new StringChoiceRenderer(), 8, false);

    // pre-receive palette
    if (!ArrayUtils.isEmpty(repositoryModel.preReceiveScripts)) {
      preReceiveScripts.addAll(repositoryModel.preReceiveScripts);
    }
    final Palette<String> preReceivePalette = new Palette<String>("preReceiveScripts",
        new ListModel<String>(preReceiveScripts), new CollectionModel<String>(app().repositories()
            .getPreReceiveScriptsUnused(repositoryModel)),
        new StringChoiceRenderer(), 12, true);

    // post-receive palette
    if (!ArrayUtils.isEmpty(repositoryModel.postReceiveScripts)) {
      postReceiveScripts.addAll(repositoryModel.postReceiveScripts);
    }
    final Palette<String> postReceivePalette = new Palette<String>("postReceiveScripts",
        new ListModel<String>(postReceiveScripts), new CollectionModel<String>(app().repositories()
            .getPostReceiveScriptsUnused(repositoryModel)),
        new StringChoiceRenderer(), 12, true);

    // custom fields
    final Map<String, String> customFieldsMap = app().settings().getMap(Keys.groovy.customFields);
    List<String> customKeys = new ArrayList<String>(customFieldsMap.keySet());
    final ListView<String> customFieldsListView = new ListView<String>("customFieldsListView", customKeys) {

      private static final long serialVersionUID = 1L;

      @Override
      protected void populateItem(ListItem<String> item) {
        String key = item.getModelObject();
        item.add(new Label("customFieldLabel", customFieldsMap.get(key)));

        String value = "";
        if (repositoryModel.customFields != null && repositoryModel.customFields.containsKey(key)) {
          value = repositoryModel.customFields.get(key);
        }
        TextField<String> field = new TextField<String>("customFieldValue", new Model<String>(value));
        item.add(field);
      }
    };
    customFieldsListView.setReuseItems(true);

    CompoundPropertyModel<RepositoryModel> rModel = new CompoundPropertyModel<RepositoryModel>(
        repositoryModel);
    Form<RepositoryModel> form = new Form<RepositoryModel>("editForm", rModel) {

      private static final long serialVersionUID = 1L;

      @Override
      protected void onSubmit() {
        try {
          // confirm a repository name was entered
          if (repositoryModel.name == null && StringUtils.isEmpty(repositoryModel.name)) {
            error(getString("gb.pleaseSetRepositoryName"));
            return;
          }

          // ensure name is trimmed
          repositoryModel.name = repositoryModel.name.trim();

          // automatically convert backslashes to forward slashes
          repositoryModel.name = repositoryModel.name.replace('\\', '/');
          // Automatically replace // with /
          repositoryModel.name = repositoryModel.name.replace("//", "/");

          // prohibit folder paths
          if (repositoryModel.name.startsWith("/")) {
            error(getString("gb.illegalLeadingSlash"));
            return;
          }
          if (repositoryModel.name.startsWith("../")) {
            error(getString("gb.illegalRelativeSlash"));
            return;
          }
          if (repositoryModel.name.contains("/../")) {
            error(getString("gb.illegalRelativeSlash"));
            return;
          }
          if (repositoryModel.name.endsWith("/")) {
            repositoryModel.name = repositoryModel.name.substring(0, repositoryModel.name.length() - 1);
          }

          // confirm valid characters in repository name
          Character c = StringUtils.findInvalidCharacter(repositoryModel.name);
          if (c != null) {
            error(MessageFormat.format(getString("gb.illegalCharacterRepositoryName"),
                c));
            return;
          }

          if (user.canCreate() && !user.canAdmin() && allowEditName) {
            // ensure repository name begins with the user's path
            if (!repositoryModel.name.startsWith(user.getPersonalPath())) {
              error(MessageFormat.format(getString("gb.illegalPersonalRepositoryLocation"),
                  user.getPersonalPath()));
              return;
            }

            if (repositoryModel.name.equals(user.getPersonalPath())) {
              // reset path prefix and show error
              repositoryModel.name = user.getPersonalPath() + "/";
              error(getString("gb.pleaseSetRepositoryName"));
              return;
            }
          }

          // confirm access restriction selection
          if (repositoryModel.accessRestriction == null) {
            error(getString("gb.selectAccessRestriction"));
            return;
          }

          // confirm federation strategy selection
          if (repositoryModel.federationStrategy == null) {
            error(getString("gb.selectFederationStrategy"));
            return;
          }

          // save federation set preferences
          if (repositoryModel.federationStrategy.exceeds(FederationStrategy.EXCLUDE)) {
            repositoryModel.federationSets.clear();
            Iterator<String> sets = federationSetsPalette.getSelectedChoices();
            while (sets.hasNext()) {
              repositoryModel.federationSets.add(sets.next());
            }
          }

          // set author metric exclusions
          String ax = metricAuthorExclusions.getObject();
          if (StringUtils.isEmpty(ax)) {
            repositoryModel.metricAuthorExclusions = new ArrayList<String>();
          } else {
            Set<String> list = new HashSet<String>();
            for (String exclusion : StringUtils.getStringsFromValue(ax,  " ")) {
              if (StringUtils.isEmpty(exclusion)) {
                continue;
              }
              if (exclusion.indexOf(' ') > -1) {
                list.add("\"" + exclusion + "\"");
              } else {
                list.add(exclusion);
              }
            }
            repositoryModel.metricAuthorExclusions = new ArrayList<String>(list);
          }

          // set mailing lists
          String ml = mailingLists.getObject();
          if (StringUtils.isEmpty(ml)) {
            repositoryModel.mailingLists = new ArrayList<String>();
          } else {
            Set<String> list = new HashSet<String>();
            for (String address : ml.split("(,|\\s)")) {
              if (StringUtils.isEmpty(address)) {
                continue;
              }
              list.add(address.toLowerCase());
            }
            repositoryModel.mailingLists = new ArrayList<String>(list);
          }

          // indexed branches
          List<String> indexedBranches = new ArrayList<String>();
          Iterator<String> branches = indexedBranchesPalette.getSelectedChoices();
          while (branches.hasNext()) {
            indexedBranches.add(branches.next());
          }
          repositoryModel.indexedBranches = indexedBranches;

          // owners
          repositoryModel.owners.clear();
          Iterator<UserChoice> owners = ownersPalette.getSelectedChoices();
          while (owners.hasNext()) {
            repositoryModel.addOwner(owners.next().getUserId());
          }

          // pre-receive scripts
          List<String> preReceiveScripts = new ArrayList<String>();
          Iterator<String> pres = preReceivePalette.getSelectedChoices();
          while (pres.hasNext()) {
            preReceiveScripts.add(pres.next());
          }
          repositoryModel.preReceiveScripts = preReceiveScripts;

          // post-receive scripts
          List<String> postReceiveScripts = new ArrayList<String>();
          Iterator<String> post = postReceivePalette.getSelectedChoices();
          while (post.hasNext()) {
            postReceiveScripts.add(post.next());
          }
          repositoryModel.postReceiveScripts = postReceiveScripts;

          // custom fields
          repositoryModel.customFields = new LinkedHashMap<String, String>();
          for (int i = 0; i < customFieldsListView.size(); i++) {
            ListItem<String> child = (ListItem<String>) customFieldsListView.get(i);
            String key = child.getModelObject();

            TextField<String> field = (TextField<String>) child.get("customFieldValue");
            String value = field.getValue();

            repositoryModel.customFields.put(key, value);
          }

          // save the repository
          app().gitblit().updateRepositoryModel(oldName, repositoryModel, isCreate);

          // repository access permissions
          if (repositoryModel.accessRestriction.exceeds(AccessRestrictionType.NONE)) {
            app().gitblit().setUserAccessPermissions(repositoryModel, repositoryUsers);
            app().gitblit().setTeamAccessPermissions(repositoryModel, repositoryTeams);
          }
        } catch (GitBlitException e) {
          error(e.getMessage());
          return;
        }
        setRedirect(false);
        if (isCreate) {
          setResponsePage(RepositoriesPage.class);
        } else {
          setResponsePage(SummaryPage.class, WicketUtils.newRepositoryParameter(repositoryModel.name));
        }
      }
    };

    // do not let the browser pre-populate these fields
    form.add(new SimpleAttributeModifier("autocomplete", "off"));

    // field names reflective match RepositoryModel fields
    form.add(new TextField<String>("name").setEnabled(allowEditName));
    form.add(new TextField<String>("description"));
    form.add(ownersPalette);
    form.add(new CheckBox("allowForks").setEnabled(app().settings().getBoolean(Keys.web.allowForking, true)));
    DropDownChoice<AccessRestrictionType> accessRestriction = new DropDownChoice<AccessRestrictionType>("accessRestriction",
        AccessRestrictionType.choices(app().settings().getBoolean(Keys.git.allowAnonymousPushes, false)), new AccessRestrictionRenderer());
    form.add(accessRestriction);
    form.add(new CheckBox("isFrozen"));
    // TODO enable origin definition
    form.add(new TextField<String>("origin").setEnabled(false/* isCreate */));

    // allow relinking HEAD to a branch or tag other than master on edit repository
    List<String> availableRefs = new ArrayList<String>();
    List<String> availableBranches = new ArrayList<String>();
    if (!ArrayUtils.isEmpty(repositoryModel.availableRefs)) {
      for (String ref : repositoryModel.availableRefs) {
        if (!ref.startsWith(Constants.R_TICKET)) {
          availableRefs.add(ref);
          if (ref.startsWith(Constants.R_HEADS)) {
            availableBranches.add(Repository.shortenRefName(ref));
          }
        }
      }
    }
    form.add(new DropDownChoice<String>("HEAD", availableRefs).setEnabled(availableRefs.size() > 0));

    boolean gcEnabled = app().settings().getBoolean(Keys.git.enableGarbageCollection, false);
    int defaultGcPeriod = app().settings().getInteger(Keys.git.defaultGarbageCollectionPeriod, 7);
    if (repositoryModel.gcPeriod == 0) {
      repositoryModel.gcPeriod = defaultGcPeriod;
    }
    List<Integer> gcPeriods = Arrays.asList(1, 2, 3, 4, 5, 7, 10, 14 );
    form.add(new DropDownChoice<Integer>("gcPeriod", gcPeriods, new GCPeriodRenderer()).setEnabled(gcEnabled));
    form.add(new TextField<String>("gcThreshold").setEnabled(gcEnabled));

    // federation strategies - remove ORIGIN choice if this repository has
    // no origin.
    List<FederationStrategy> federationStrategies = new ArrayList<FederationStrategy>(
        Arrays.asList(FederationStrategy.values()));
    if (StringUtils.isEmpty(repositoryModel.origin)) {
      federationStrategies.remove(FederationStrategy.FEDERATE_ORIGIN);
    }
    form.add(new DropDownChoice<FederationStrategy>("federationStrategy", federationStrategies,
        new FederationTypeRenderer()));
    form.add(new CheckBox("acceptNewPatchsets"));
    form.add(new CheckBox("acceptNewTickets"));
    form.add(new CheckBox("requireApproval"));
    form.add(new DropDownChoice<String>("mergeTo", availableBranches).setEnabled(availableBranches.size() > 0));
    form.add(new CheckBox("useIncrementalPushTags"));
    form.add(new CheckBox("showRemoteBranches"));
    form.add(new CheckBox("skipSizeCalculation"));
    form.add(new CheckBox("skipSummaryMetrics"));
    List<Integer> maxActivityCommits  = Arrays.asList(-1, 0, 25, 50, 75, 100, 150, 200, 250, 500);
    form.add(new DropDownChoice<Integer>("maxActivityCommits", maxActivityCommits, new MaxActivityCommitsRenderer()));

    metricAuthorExclusions = new Model<String>(ArrayUtils.isEmpty(repositoryModel.metricAuthorExclusions) ? ""
        : StringUtils.flattenStrings(repositoryModel.metricAuthorExclusions, " "));
    form.add(new TextField<String>("metricAuthorExclusions", metricAuthorExclusions));

    mailingLists = new Model<String>(ArrayUtils.isEmpty(repositoryModel.mailingLists) ? ""
        : StringUtils.flattenStrings(repositoryModel.mailingLists, " "));
    form.add(new TextField<String>("mailingLists", mailingLists));
    form.add(indexedBranchesPalette);

    List<AuthorizationControl> acList = Arrays.asList(AuthorizationControl.values());
    final RadioChoice<AuthorizationControl> authorizationControl = new RadioChoice<Constants.AuthorizationControl>(
        "authorizationControl", acList, new AuthorizationControlRenderer());
    form.add(authorizationControl);

    final CheckBox verifyCommitter = new CheckBox("verifyCommitter");
    verifyCommitter.setOutputMarkupId(true);
    form.add(verifyCommitter);

    form.add(usersPalette);
    form.add(teamsPalette);
    form.add(federationSetsPalette);
    form.add(preReceivePalette);
    form.add(new BulletListPanel("inheritedPreReceive", getString("gb.inherited"), app().repositories()
        .getPreReceiveScriptsInherited(repositoryModel)));
    form.add(postReceivePalette);
    form.add(new BulletListPanel("inheritedPostReceive", getString("gb.inherited"), app().repositories()
        .getPostReceiveScriptsInherited(repositoryModel)));

    WebMarkupContainer customFieldsSection = new WebMarkupContainer("customFieldsSection");
    customFieldsSection.add(customFieldsListView);
    form.add(customFieldsSection.setVisible(!app().settings().getString(Keys.groovy.customFields, "").isEmpty()));

    // initial enable/disable of permission controls
    if (repositoryModel.accessRestriction.equals(AccessRestrictionType.NONE)) {
      // anonymous everything, disable all controls
      usersPalette.setEnabled(false);
      teamsPalette.setEnabled(false);
      authorizationControl.setEnabled(false);
      verifyCommitter.setEnabled(false);
    } else {
      // authenticated something
      // enable authorization controls
      authorizationControl.setEnabled(true);
      verifyCommitter.setEnabled(true);

      boolean allowFineGrainedControls = repositoryModel.authorizationControl.equals(AuthorizationControl.NAMED);
      usersPalette.setEnabled(allowFineGrainedControls);
      teamsPalette.setEnabled(allowFineGrainedControls);
    }

    accessRestriction.add(new AjaxFormComponentUpdatingBehavior("onchange") {

      private static final long serialVersionUID = 1L;

      @Override
      protected void onUpdate(AjaxRequestTarget target) {
        // enable/disable permissions panel based on access restriction
        boolean allowAuthorizationControl = repositoryModel.accessRestriction.exceeds(AccessRestrictionType.NONE);
        authorizationControl.setEnabled(allowAuthorizationControl);
        verifyCommitter.setEnabled(allowAuthorizationControl);

        boolean allowFineGrainedControls = allowAuthorizationControl && repositoryModel.authorizationControl.equals(AuthorizationControl.NAMED);
        usersPalette.setEnabled(allowFineGrainedControls);
        teamsPalette.setEnabled(allowFineGrainedControls);

        if (allowFineGrainedControls) {
          repositoryModel.authorizationControl = AuthorizationControl.NAMED;
        }

        target.addComponent(authorizationControl);
        target.addComponent(verifyCommitter);
        target.addComponent(usersPalette);
        target.addComponent(teamsPalette);
      }
    });

    authorizationControl.add(new AjaxFormChoiceComponentUpdatingBehavior() {

      private static final long serialVersionUID = 1L;

      @Override
      protected void onUpdate(AjaxRequestTarget target) {
        // enable/disable permissions panel based on access restriction
        boolean allowAuthorizationControl = repositoryModel.accessRestriction.exceeds(AccessRestrictionType.NONE);
        authorizationControl.setEnabled(allowAuthorizationControl);

        boolean allowFineGrainedControls = allowAuthorizationControl && repositoryModel.authorizationControl.equals(AuthorizationControl.NAMED);
        usersPalette.setEnabled(allowFineGrainedControls);
        teamsPalette.setEnabled(allowFineGrainedControls);

        if (allowFineGrainedControls) {
          repositoryModel.authorizationControl = AuthorizationControl.NAMED;
        }

        target.addComponent(authorizationControl);
        target.addComponent(usersPalette);
        target.addComponent(teamsPalette);
      }
    });

    List<CommitMessageRenderer> renderers = Arrays.asList(CommitMessageRenderer.values());
    DropDownChoice<CommitMessageRenderer> messageRendererChoice = new DropDownChoice<CommitMessageRenderer>("commitMessageRenderer", renderers);
    form.add(messageRendererChoice);

    form.add(new Button("save"));
    Button cancel = new Button("cancel") {
      private static final long serialVersionUID = 1L;

      @Override
      public void onSubmit() {
        if (isCreate) {
          setResponsePage(RepositoriesPage.class);
        } else {
          setResponsePage(SummaryPage.class, WicketUtils.newRepositoryParameter(repositoryModel.name));
        }
      }
    };
    cancel.setDefaultFormProcessing(false);
    form.add(cancel);

    add(form);
  }

  /**
   * Unfortunately must repeat part of AuthorizaitonStrategy here because that
   * mechanism does not take PageParameters into consideration, only page
   * instantiation.
   *
   * Repository Owners should be able to edit their repository.
   */
  private void checkPermissions(RepositoryModel model) {
    boolean authenticateAdmin = app().settings().getBoolean(Keys.web.authenticateAdminPages, true);
    boolean allowAdmin = app().settings().getBoolean(Keys.web.allowAdministration, true);

    GitBlitWebSession session = GitBlitWebSession.get();
    UserModel user = session.getUser();

    if (allowAdmin) {
      if (authenticateAdmin) {
        if (user == null) {
          // No Login Available
          error(getString("gb.errorAdminLoginRequired"), true);
        }
        if (isCreate) {
          // Create Repository
          if (!user.canCreate() && !user.canAdmin()) {
            // Only administrators or permitted users may create
            error(getString("gb.errorOnlyAdminMayCreateRepository"), true);
          }
        } else {
          // Edit Repository
          if (user.canAdmin()) {
            // Admins can edit everything
            isAdmin = true;
            return;
          } else {
            if (!model.isOwner(user.username)) {
              // User is not an Admin nor Owner
              error(getString("gb.errorOnlyAdminOrOwnerMayEditRepository"), true);
            }
          }
        }
      }
    } else {
      // No Administration Permitted
      error(getString("gb.errorAdministrationDisabled"), true);
    }
  }

  private class AccessRestrictionRenderer implements IChoiceRenderer<AccessRestrictionType> {

    private static final long serialVersionUID = 1L;

    private final Map<AccessRestrictionType, String> map;

    public AccessRestrictionRenderer() {
      map = getAccessRestrictions();
    }

    @Override
    public String getDisplayValue(AccessRestrictionType type) {
      return map.get(type);
    }

    @Override
    public String getIdValue(AccessRestrictionType type, int index) {
      return Integer.toString(index);
    }
  }

  private class FederationTypeRenderer implements IChoiceRenderer<FederationStrategy> {

    private static final long serialVersionUID = 1L;

    private final Map<FederationStrategy, String> map;

    public FederationTypeRenderer() {
      map = getFederationTypes();
    }

    @Override
    public String getDisplayValue(FederationStrategy type) {
      return map.get(type);
    }

    @Override
    public String getIdValue(FederationStrategy type, int index) {
      return Integer.toString(index);
    }
  }

  private class AuthorizationControlRenderer implements IChoiceRenderer<AuthorizationControl> {

    private static final long serialVersionUID = 1L;

    private final Map<AuthorizationControl, String> map;

    public AuthorizationControlRenderer() {
      map = getAuthorizationControls();
    }

    @Override
    public String getDisplayValue(AuthorizationControl type) {
      return map.get(type);
    }

    @Override
    public String getIdValue(AuthorizationControl type, int index) {
      return Integer.toString(index);
    }
  }

  private class GCPeriodRenderer implements IChoiceRenderer<Integer> {

    private static final long serialVersionUID = 1L;

    public GCPeriodRenderer() {
    }

    @Override
    public String getDisplayValue(Integer value) {
      if (value == 1) {
        return getString("gb.duration.oneDay");
      } else {
        return MessageFormat.format(getString("gb.duration.days"), value);
      }
    }

    @Override
    public String getIdValue(Integer value, int index) {
      return Integer.toString(index);
    }
  }

  private class MaxActivityCommitsRenderer implements IChoiceRenderer<Integer> {

    private static final long serialVersionUID = 1L;

    public MaxActivityCommitsRenderer() {
    }

    @Override
    public String getDisplayValue(Integer value) {
      if (value == -1) {
        return getString("gb.excludeFromActivity");
      } else if (value == 0) {
        return getString("gb.noMaximum");
      } else {
        return value + " " + getString("gb.commits");
      }
    }

    @Override
    public String getIdValue(Integer value, int index) {
      return Integer.toString(index);
    }
  }
}
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