462 lines
17 KiB
Plaintext
462 lines
17 KiB
Plaintext
@namespace Oqtane.UI
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@inject AuthenticationStateProvider AuthenticationStateProvider
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@inject SiteState SiteState
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@inject NavigationManager NavigationManager
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@inject INavigationInterception NavigationInterception
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@inject IAliasService AliasService
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@inject ITenantService TenantService
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@inject ISiteService SiteService
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@inject IPageService PageService
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@inject IUserService UserService
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@inject IModuleService ModuleService
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@inject IModuleDefinitionService ModuleDefinitionService
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@inject ILogService LogService
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@using System.Diagnostics.CodeAnalysis
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@using Oqtane.Enums
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@implements IHandleAfterRender
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@DynamicComponent
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@code {
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[CascadingParameter]
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PageState PageState { get; set; }
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[Parameter]
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public Action<PageState> OnStateChange { get; set; }
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PageState _pagestate;
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RenderFragment DynamicComponent { get; set; }
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string _absoluteUri;
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bool _navigationInterceptionEnabled;
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protected override void OnInitialized()
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{
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_absoluteUri = NavigationManager.Uri;
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NavigationManager.LocationChanged += LocationChanged;
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DynamicComponent = builder =>
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{
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if (PageState != null)
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{
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builder.OpenComponent(0, Type.GetType(Constants.PageComponent));
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builder.CloseComponent();
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}
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};
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}
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public void Dispose()
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{
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NavigationManager.LocationChanged -= LocationChanged;
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}
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protected override async Task OnParametersSetAsync()
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{
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if (PageState == null)
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{
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// misconfigured api calls should not be processed through the router
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if (!_absoluteUri.Contains("~/api/"))
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{
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await Refresh();
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}
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else
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{
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System.Diagnostics.Debug.WriteLine(GetType().FullName + ": Error: API call to " + _absoluteUri + " is not mapped to a Controller");
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}
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}
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}
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[SuppressMessage("ReSharper", "StringIndexOfIsCultureSpecific.1")]
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private async Task Refresh()
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{
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Alias alias = null;
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Site site;
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List<Page> pages;
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Page page;
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User user = null;
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List<Module> modules;
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int moduleid = -1;
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string action = "";
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bool editmode = false;
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Reload reload = Reload.None;
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DateTime lastsyncdate = DateTime.UtcNow;
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// get Url path and querystring ( and remove anchors )
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string path = new Uri(_absoluteUri).PathAndQuery.Substring(1);
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if (path.IndexOf("#") != -1)
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{
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path = path.Substring(0, path.IndexOf("#"));
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}
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// parse querystring and remove
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Dictionary<string, string> querystring = new Dictionary<string, string>();
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if (path.IndexOf("?") != -1)
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{
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querystring = ParseQueryString(path);
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path = path.Substring(0, path.IndexOf("?"));
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}
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// the reload parameter is used during user login/logout
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if (querystring.ContainsKey("reload"))
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{
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reload = Reload.Site;
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}
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if (PageState != null)
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{
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editmode = PageState.EditMode;
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lastsyncdate = PageState.LastSyncDate;
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}
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alias = await AliasService.GetAliasAsync(_absoluteUri, lastsyncdate);
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SiteState.Alias = alias; // set state for services
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lastsyncdate = alias.SyncDate;
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// process any sync events for site or page
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if (reload != Reload.Site && alias.SyncEvents.Any())
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{
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if (PageState != null && alias.SyncEvents.Exists(item => item.EntityName == "Page" && item.EntityId == PageState.Page.PageId))
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{
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reload = Reload.Page;
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}
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if (alias.SyncEvents.Exists(item => item.EntityName == "Site" && item.EntityId == alias.SiteId))
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{
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reload = Reload.Site;
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}
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}
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if (reload == Reload.Site || PageState == null || alias.SiteId != PageState.Alias.SiteId)
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{
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site = await SiteService.GetSiteAsync(alias.SiteId, alias);
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reload = Reload.Site;
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}
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else
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{
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site = PageState.Site;
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}
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if (site != null)
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{
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if (PageState == null || reload == Reload.Site)
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{
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// get user
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var authState = await AuthenticationStateProvider.GetAuthenticationStateAsync();
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if (authState.User.Identity.IsAuthenticated)
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{
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user = await UserService.GetUserAsync(authState.User.Identity.Name, site.SiteId);
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}
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}
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else
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{
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user = PageState.User;
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}
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// process any sync events for user
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if (reload != Reload.Site && user != null && alias.SyncEvents.Any())
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{
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if (alias.SyncEvents.Exists(item => item.EntityName == "User" && item.EntityId == user.UserId))
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{
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reload = Reload.Site;
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}
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}
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if (PageState == null || reload >= Reload.Site)
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{
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await ModuleDefinitionService.LoadModuleDefinitionsAsync(site.SiteId);
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pages = await PageService.GetPagesAsync(site.SiteId);
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}
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else
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{
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pages = PageState.Pages;
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}
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// format path and remove alias
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path = path.Replace("//", "/");
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if (!path.EndsWith("/")) { path += "/"; }
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if (alias.Path != "")
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{
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path = path.Replace(alias.Path + "/", "");
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}
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// extract admin route elements from path
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string[] segments = path.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries);
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int result;
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// check if path has moduleid and control specification ie. page/moduleid/control/
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if (segments.Length >= 2 && int.TryParse(segments[segments.Length - 2], out result))
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{
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action = segments[segments.Length - 1];
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moduleid = result;
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path = path.Replace(moduleid.ToString() + "/" + action + "/", "");
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}
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else
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{
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// check if path has only moduleid specification ie. page/moduleid/
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if (segments.Length >= 1 && int.TryParse(segments[segments.Length - 1], out result))
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{
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moduleid = result;
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path = path.Replace(moduleid.ToString() + "/", "");
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}
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}
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// remove trailing slash so it can be used as a key for Pages
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if (path.EndsWith("/")) path = path.Substring(0, path.Length - 1);
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if (PageState == null || reload >= Reload.Page)
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{
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page = pages.Where(item => item.Path == path).FirstOrDefault();
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}
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else
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{
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page = PageState.Page;
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}
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// failsafe in case router cannot locate the home page for the site
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if (page == null && path == "")
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{
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page = pages.FirstOrDefault();
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path = page.Path;
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}
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// check if page has changed
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if (page != null && page.Path != path)
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{
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page = pages.Where(item => item.Path == path).FirstOrDefault();
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reload = Reload.Page;
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if (page != null)
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{
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editmode = page.EditMode;
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}
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}
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if (page != null)
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{
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if (PageState == null)
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{
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editmode = page.EditMode;
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}
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// check if user is authorized to view page
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if (UserSecurity.IsAuthorized(user,PermissionNames.View, page.Permissions))
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{
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page = await ProcessPage(page, site, user);
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_pagestate = new PageState
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{
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Alias = alias,
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Site = site,
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Pages = pages,
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Page = page,
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User = user,
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Uri = new Uri(_absoluteUri, UriKind.Absolute),
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QueryString = querystring,
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ModuleId = moduleid,
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Action = action
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};
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if (PageState != null && (PageState.ModuleId != _pagestate.ModuleId || PageState.Action != _pagestate.Action))
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{
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reload = Reload.Page;
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}
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if (PageState == null || reload >= Reload.Page)
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{
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modules = await ModuleService.GetModulesAsync(site.SiteId);
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modules = ProcessModules(modules, page.PageId, _pagestate.ModuleId, _pagestate.Action, page.Panes, site.DefaultContainerType);
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}
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else
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{
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modules = PageState.Modules;
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}
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_pagestate.Modules = modules;
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_pagestate.EditMode = editmode;
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_pagestate.LastSyncDate = lastsyncdate;
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OnStateChange?.Invoke(_pagestate);
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}
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}
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else
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{
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if (user == null)
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{
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await LogService.Log(null, null, null, GetType().AssemblyQualifiedName, Utilities.GetTypeNameLastSegment(GetType().AssemblyQualifiedName, 1), LogFunction.Security, LogLevel.Error, null, "Page Does Not Exist Or User Is Not Authorized To View Page {Path}", path);
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// redirect to login page
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NavigationManager.NavigateTo(Utilities.NavigateUrl(alias.Path, "login", "returnurl=" + path));
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}
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else
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{
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await LogService.Log(null, null, user.UserId, GetType().AssemblyQualifiedName, Utilities.GetTypeNameLastSegment(GetType().AssemblyQualifiedName, 1), LogFunction.Security, LogLevel.Error, null, "Page Does Not Exist Or User Is Not Authorized To View Page {Path}", path);
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if (path != "")
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{
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// redirect to home page
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NavigationManager.NavigateTo(Utilities.NavigateUrl(alias.Path, "", ""));
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}
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}
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}
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}
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else
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{
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// site does not exist
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}
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}
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private async void LocationChanged(object sender, LocationChangedEventArgs args)
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{
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_absoluteUri = args.Location;
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await Refresh();
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}
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Task IHandleAfterRender.OnAfterRenderAsync()
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{
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if (!_navigationInterceptionEnabled)
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{
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_navigationInterceptionEnabled = true;
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return NavigationInterception.EnableNavigationInterceptionAsync();
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}
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return Task.CompletedTask;
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}
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private Dictionary<string, string> ParseQueryString(string path)
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{
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Dictionary<string, string> querystring = new Dictionary<string, string>();
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if (path.IndexOf("?") != -1)
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{
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foreach (string kvp in path.Substring(path.IndexOf("?") + 1).Split(new[] { '&' }, StringSplitOptions.RemoveEmptyEntries))
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{
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if (kvp != "")
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{
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if (kvp.Contains("="))
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{
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string[] pair = kvp.Split('=');
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querystring.Add(pair[0], pair[1]);
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}
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else
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{
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querystring.Add(kvp, "true"); // default querystring when no value is provided
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}
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}
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}
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}
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return querystring;
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}
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private async Task<Page> ProcessPage(Page page, Site site, User user)
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{
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try
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{
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if (page.IsPersonalizable && user != null)
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{
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// load the personalized page
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page = await PageService.GetPageAsync(page.PageId, user.UserId);
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}
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if (string.IsNullOrEmpty(page.ThemeType))
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{
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page.ThemeType = site.DefaultThemeType;
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page.LayoutType = site.DefaultLayoutType;
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}
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Type type;
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if (!string.IsNullOrEmpty(page.LayoutType))
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{
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type = Type.GetType(page.LayoutType);
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}
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else
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{
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type = Type.GetType(page.ThemeType);
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}
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System.Reflection.PropertyInfo property = type.GetProperty("Panes");
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page.Panes = (string)property.GetValue(Activator.CreateInstance(type), null);
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}
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catch
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{
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// error loading theme or layout
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}
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return page;
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}
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private List<Module> ProcessModules(List<Module> modules, int pageid, int moduleid, string control, string panes, string defaultcontainertype)
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{
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Dictionary<string, int> paneindex = new Dictionary<string, int>();
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foreach (Module module in modules)
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{
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if (module.PageId == pageid || module.ModuleId == moduleid)
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{
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string typename = "";
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if (module.ModuleDefinition != null)
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{
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typename = module.ModuleDefinition.ControlTypeTemplate;
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}
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else
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{
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typename = Constants.ErrorModule;
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}
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if (module.ModuleId == moduleid && control != "")
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{
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// check if the module defines custom routes
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if (module.ModuleDefinition.ControlTypeRoutes != "")
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{
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foreach (string route in module.ModuleDefinition.ControlTypeRoutes.Split(new[] { ';' }, StringSplitOptions.RemoveEmptyEntries))
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{
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if (route.StartsWith(control + "="))
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{
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typename = route.Replace(control + "=", "");
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}
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}
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}
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module.ModuleType = typename.Replace(Constants.ActionToken, control);
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// admin controls need to load additional metadata from the IModuleControl interface
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if (moduleid == module.ModuleId)
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{
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typename = module.ModuleType;
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// check for core module actions component
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if (Constants.DefaultModuleActions.Contains(control))
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{
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typename = Constants.DefaultModuleActionsTemplate.Replace(Constants.ActionToken, control);
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}
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Type moduletype = Type.GetType(typename);
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if (moduletype != null)
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{
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var moduleobject = Activator.CreateInstance(moduletype);
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module.SecurityAccessLevel = (SecurityAccessLevel)moduletype.GetProperty("SecurityAccessLevel").GetValue(moduleobject, null);
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module.ControlTitle = (string)moduletype.GetProperty("Title").GetValue(moduleobject);
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module.Actions = (string)moduletype.GetProperty("Actions").GetValue(moduleobject);
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module.UseAdminContainer = (bool)moduletype.GetProperty("UseAdminContainer").GetValue(moduleobject);
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}
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}
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}
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else
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{
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module.ModuleType = typename.Replace(Constants.ActionToken, Constants.DefaultAction);
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}
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// ensure module's pane exists in current page and if not, assign it to the Admin pane
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if (panes == null || !panes.ToLower().Contains(module.Pane.ToLower()))
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{
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module.Pane = Constants.AdminPane;
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}
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// calculate module position within pane
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if (paneindex.ContainsKey(module.Pane))
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{
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paneindex[module.Pane] += 1;
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}
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else
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{
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paneindex.Add(module.Pane, 0);
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}
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module.PaneModuleIndex = paneindex[module.Pane];
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if (string.IsNullOrEmpty(module.ContainerType))
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{
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module.ContainerType = defaultcontainertype;
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}
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}
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}
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foreach (Module module in modules.Where(item => item.PageId == pageid))
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{
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module.PaneModuleCount = paneindex[module.Pane] + 1;
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}
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return modules;
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}
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}
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