in java/com/google/gerrit/server/restapi/project/GetAccess.java [128:278]
public Response<ProjectAccessInfo> apply(ProjectResource rsrc)
throws ResourceNotFoundException, ResourceConflictException, IOException,
PermissionBackendException {
// Load the current configuration from the repository, ensuring it's the most
// recent version available. If it differs from what was in the project
// state, force a cache flush now.
Project.NameKey projectName = rsrc.getNameKey();
ProjectAccessInfo info = new ProjectAccessInfo();
ProjectState projectState =
projectCache.get(projectName).orElseThrow(illegalState(projectName));
PermissionBackend.ForProject perm = permissionBackend.currentUser().project(projectName);
ProjectConfig config;
try (MetaDataUpdate md = metaDataUpdateFactory.get().create(projectName)) {
config = projectConfigFactory.read(md);
info.configWebLinks = new ArrayList<>();
// config may have a null revision if the repo doesn't have its own refs/meta/config.
if (config.getRevision() != null) {
info.configWebLinks.addAll(
webLinks.getFileHistoryLinks(
projectName.get(), config.getRevision().getName(), ProjectConfig.PROJECT_CONFIG));
}
if (config.updateGroupNames(groupBackend)) {
md.setMessage("Update group names\n");
config.commit(md);
projectCache.evictAndReindex(config.getProject());
projectState = projectCache.get(projectName).orElseThrow(illegalState(projectName));
perm = permissionBackend.currentUser().project(projectName);
} else if (config.getRevision() != null
&& !config.getRevision().equals(projectState.getConfig().getRevision().orElse(null))) {
projectCache.evictAndReindex(config.getProject());
projectState = projectCache.get(projectName).orElseThrow(illegalState(projectName));
perm = permissionBackend.currentUser().project(projectName);
}
} catch (ConfigInvalidException e) {
throw new ResourceConflictException(e.getMessage());
} catch (RepositoryNotFoundException e) {
throw new ResourceNotFoundException(rsrc.getName(), e);
}
// The following implementation must match the ProjectAccessFactory JSON RPC endpoint.
info.local = new HashMap<>();
info.ownerOf = new HashSet<>();
Map<AccountGroup.UUID, GroupInfo> groups = new HashMap<>();
boolean canReadConfig = check(perm, RefNames.REFS_CONFIG, READ);
boolean canWriteConfig = check(perm, ProjectPermission.WRITE_CONFIG);
// Check if the project state permits read only when the user is not allowed to write the config
// (=owner). This is so that the owner can still read (and in the next step write) the project's
// config to set the project state to any state that is not HIDDEN.
if (!canWriteConfig) {
projectState.checkStatePermitsRead();
}
for (AccessSection section : config.getAccessSections()) {
String name = section.getName();
if (AccessSection.GLOBAL_CAPABILITIES.equals(name)) {
if (canWriteConfig) {
info.local.put(name, createAccessSection(groups, section));
info.ownerOf.add(name);
} else if (canReadConfig) {
info.local.put(section.getName(), createAccessSection(groups, section));
}
} else if (AccessSection.isValidRefSectionName(name)) {
if (check(perm, name, WRITE_CONFIG)) {
info.local.put(name, createAccessSection(groups, section));
info.ownerOf.add(name);
} else if (canReadConfig) {
info.local.put(name, createAccessSection(groups, section));
} else if (check(perm, name, READ)) {
// Filter the section to only add rules describing groups that
// are visible to the current-user. This includes any group the
// user is a member of, as well as groups they own or that
// are visible to all users.
AccessSection.Builder dst = null;
for (Permission srcPerm : section.getPermissions()) {
Permission.Builder dstPerm = null;
for (PermissionRule srcRule : srcPerm.getRules()) {
AccountGroup.UUID groupId = srcRule.getGroup().getUUID();
if (groupId == null) {
continue;
}
loadGroup(groups, groupId);
if (dstPerm == null) {
if (dst == null) {
dst = AccessSection.builder(name);
info.local.put(name, createAccessSection(groups, dst.build()));
}
dstPerm = dst.upsertPermission(srcPerm.getName());
}
dstPerm.add(srcRule.toBuilder());
}
}
}
}
}
if (info.ownerOf.isEmpty()) {
try {
permissionBackend.currentUser().check(GlobalPermission.ADMINISTRATE_SERVER);
// Special case: If the section list is empty, this project has no current
// access control information. Fall back to site administrators.
info.ownerOf.add(AccessSection.ALL);
} catch (AuthException e) {
// Do nothing.
}
}
if (config.getRevision() != null) {
info.revision = config.getRevision().name();
}
ProjectState parent = Iterables.getFirst(projectState.parents(), null);
if (parent != null) {
info.inheritsFrom = projectJson.format(parent.getProject());
}
if (projectName.equals(allProjectsName)
&& permissionBackend.currentUser().testOrFalse(ADMINISTRATE_SERVER)) {
info.ownerOf.add(AccessSection.GLOBAL_CAPABILITIES);
}
info.isOwner = toBoolean(canWriteConfig);
info.canUpload =
toBoolean(
projectState.statePermitsWrite()
&& (canWriteConfig
|| (canReadConfig
&& perm.ref(RefNames.REFS_CONFIG).testOrFalse(CREATE_CHANGE))));
info.canAdd = toBoolean(perm.testOrFalse(CREATE_REF));
info.canAddTags = toBoolean(perm.testOrFalse(CREATE_TAG_REF));
info.configVisible = canReadConfig || canWriteConfig;
info.groups =
groups.entrySet().stream()
.filter(e -> e.getValue() != null)
.collect(toMap(e -> e.getKey().get(), Map.Entry::getValue));
return Response.ok(info);
}