258 lines
12 KiB
Forth
258 lines
12 KiB
Forth
/// Routes for this application
|
|
module MyWebLog.Handlers.Routes
|
|
|
|
open Giraffe
|
|
open Microsoft.AspNetCore.Http
|
|
open MyWebLog
|
|
|
|
/// Module to resolve routes that do not match any other known route (web blog content)
|
|
module CatchAll =
|
|
|
|
open MyWebLog.ViewModels
|
|
|
|
/// Sequence where the first returned value is the proper handler for the link
|
|
let private deriveAction (ctx: HttpContext) : HttpHandler seq =
|
|
let webLog = ctx.WebLog
|
|
let data = ctx.Data
|
|
let debug = debug "Routes.CatchAll" ctx
|
|
let textLink =
|
|
let extra = webLog.ExtraPath
|
|
let url = string ctx.Request.Path
|
|
(if extra = "" then url else url[extra.Length..]).ToLowerInvariant()
|
|
let await it = (Async.AwaitTask >> Async.RunSynchronously) it
|
|
seq {
|
|
debug (fun () -> $"Considering URL {textLink}")
|
|
// Home page directory without the directory slash
|
|
if textLink = "" then yield redirectTo true (webLog.RelativeUrl Permalink.Empty)
|
|
let permalink = Permalink textLink[1..]
|
|
// Current post
|
|
match data.Post.FindByPermalink permalink webLog.Id |> await with
|
|
| Some post ->
|
|
debug (fun () -> "Found post by permalink")
|
|
let hash = Post.preparePostList webLog [ post ] Post.ListType.SinglePost "" 1 1 data |> await
|
|
yield fun next ctx ->
|
|
addToHash ViewContext.PageTitle post.Title hash
|
|
|> themedView (defaultArg post.Template "single-post") next ctx
|
|
| None -> ()
|
|
// Current page
|
|
match data.Page.FindByPermalink permalink webLog.Id |> await with
|
|
| Some page ->
|
|
debug (fun () -> "Found page by permalink")
|
|
yield fun next ctx ->
|
|
hashForPage page.Title
|
|
|> addToHash "page" (DisplayPage.FromPage webLog page)
|
|
|> addToHash ViewContext.IsPage true
|
|
|> themedView (defaultArg page.Template "single-page") next ctx
|
|
| None -> ()
|
|
// RSS feed
|
|
match Feed.deriveFeedType ctx textLink with
|
|
| Some (feedType, postCount) ->
|
|
debug (fun () -> "Found RSS feed")
|
|
yield Feed.generate feedType postCount
|
|
| None -> ()
|
|
// Post differing only by trailing slash
|
|
let altLink =
|
|
Permalink (if textLink.EndsWith "/" then textLink[1..textLink.Length - 2] else $"{textLink[1..]}/")
|
|
match data.Post.FindByPermalink altLink webLog.Id |> await with
|
|
| Some post ->
|
|
debug (fun () -> "Found post by trailing-slash-agnostic permalink")
|
|
yield redirectTo true (webLog.RelativeUrl post.Permalink)
|
|
| None -> ()
|
|
// Page differing only by trailing slash
|
|
match data.Page.FindByPermalink altLink webLog.Id |> await with
|
|
| Some page ->
|
|
debug (fun () -> "Found page by trailing-slash-agnostic permalink")
|
|
yield redirectTo true (webLog.RelativeUrl page.Permalink)
|
|
| None -> ()
|
|
// Prior post
|
|
match data.Post.FindCurrentPermalink [ permalink; altLink ] webLog.Id |> await with
|
|
| Some link ->
|
|
debug (fun () -> "Found post by prior permalink")
|
|
yield redirectTo true (webLog.RelativeUrl link)
|
|
| None -> ()
|
|
// Prior page
|
|
match data.Page.FindCurrentPermalink [ permalink; altLink ] webLog.Id |> await with
|
|
| Some link ->
|
|
debug (fun () -> "Found page by prior permalink")
|
|
yield redirectTo true (webLog.RelativeUrl link)
|
|
| None -> ()
|
|
debug (fun () -> "No content found")
|
|
}
|
|
|
|
// GET {all-of-the-above}
|
|
let route : HttpHandler = fun next ctx ->
|
|
match deriveAction ctx |> Seq.tryHead with Some handler -> handler next ctx | None -> Error.notFound next ctx
|
|
|
|
|
|
/// Serve theme assets
|
|
module Asset =
|
|
|
|
// GET /theme/{theme}/{**path}
|
|
let serve (urlParts: string seq) : HttpHandler = fun next ctx -> task {
|
|
let path = urlParts |> Seq.skip 1 |> Seq.head
|
|
match! ctx.Data.ThemeAsset.FindById(ThemeAssetId.Parse path) with
|
|
| Some asset ->
|
|
match Upload.checkModified asset.UpdatedOn ctx with
|
|
| Some threeOhFour -> return! threeOhFour next ctx
|
|
| None -> return! Upload.sendFile (asset.UpdatedOn.ToDateTimeUtc()) path asset.Data next ctx
|
|
| None -> return! Error.notFound next ctx
|
|
}
|
|
|
|
|
|
/// The primary myWebLog router
|
|
let router : HttpHandler = choose [
|
|
GET_HEAD >=> choose [
|
|
route "/" >=> Post.home
|
|
]
|
|
subRoute "/admin" (requireUser >=> choose [
|
|
GET_HEAD >=> choose [
|
|
route "/administration" >=> Admin.Dashboard.admin
|
|
subRoute "/categor" (requireAccess WebLogAdmin >=> choose [
|
|
route "ies" >=> Admin.Category.all
|
|
route "ies/bare" >=> Admin.Category.bare
|
|
routef "y/%s/edit" Admin.Category.edit
|
|
])
|
|
route "/dashboard" >=> Admin.Dashboard.user
|
|
route "/my-info" >=> User.myInfo
|
|
subRoute "/page" (choose [
|
|
route "s" >=> Page.all 1
|
|
routef "s/page/%i" Page.all
|
|
routef "/%s/edit" Page.edit
|
|
routef "/%s/permalinks" Page.editPermalinks
|
|
routef "/%s/revision/%s/preview" Page.previewRevision
|
|
routef "/%s/revisions" Page.editRevisions
|
|
])
|
|
subRoute "/post" (choose [
|
|
route "s" >=> Post.all 1
|
|
routef "s/page/%i" Post.all
|
|
routef "/%s/edit" Post.edit
|
|
routef "/%s/permalinks" Post.editPermalinks
|
|
routef "/%s/revision/%s/preview" Post.previewRevision
|
|
routef "/%s/revisions" Post.editRevisions
|
|
routef "/%s/chapter/%i" Post.editChapter
|
|
routef "/%s/chapters" Post.chapters
|
|
])
|
|
subRoute "/settings" (requireAccess WebLogAdmin >=> choose [
|
|
route "" >=> Admin.WebLog.settings
|
|
routef "/rss/%s/edit" Feed.editCustomFeed
|
|
subRoute "/redirect-rules" (choose [
|
|
route "" >=> Admin.RedirectRules.all
|
|
routef "/%i" Admin.RedirectRules.edit
|
|
])
|
|
subRoute "/tag-mapping" (choose [
|
|
route "s" >=> Admin.TagMapping.all
|
|
routef "/%s/edit" Admin.TagMapping.edit
|
|
])
|
|
subRoute "/user" (choose [
|
|
route "s" >=> User.all
|
|
routef "/%s/edit" User.edit
|
|
])
|
|
])
|
|
subRoute "/theme" (choose [
|
|
route "/list" >=> Admin.Theme.all
|
|
route "/new" >=> Admin.Theme.add
|
|
])
|
|
subRoute "/upload" (choose [
|
|
route "s" >=> Upload.list
|
|
route "/new" >=> Upload.showNew
|
|
])
|
|
]
|
|
POST >=> validateCsrf >=> choose [
|
|
subRoute "/cache" (choose [
|
|
routef "/theme/%s/refresh" Admin.Cache.refreshTheme
|
|
routef "/web-log/%s/refresh" Admin.Cache.refreshWebLog
|
|
])
|
|
subRoute "/category" (requireAccess WebLogAdmin >=> choose [
|
|
route "/save" >=> Admin.Category.save
|
|
routef "/%s/delete" Admin.Category.delete
|
|
])
|
|
route "/my-info" >=> User.saveMyInfo
|
|
subRoute "/page" (choose [
|
|
route "/save" >=> Page.save
|
|
route "/permalinks" >=> Page.savePermalinks
|
|
routef "/%s/delete" Page.delete
|
|
routef "/%s/revision/%s/delete" Page.deleteRevision
|
|
routef "/%s/revision/%s/restore" Page.restoreRevision
|
|
routef "/%s/revisions/purge" Page.purgeRevisions
|
|
])
|
|
subRoute "/post" (choose [
|
|
route "/save" >=> Post.save
|
|
route "/permalinks" >=> Post.savePermalinks
|
|
routef "/%s/chapter/%i" Post.saveChapter
|
|
routef "/%s/delete" Post.delete
|
|
routef "/%s/revision/%s/delete" Post.deleteRevision
|
|
routef "/%s/revision/%s/restore" Post.restoreRevision
|
|
routef "/%s/revisions/purge" Post.purgeRevisions
|
|
])
|
|
subRoute "/settings" (requireAccess WebLogAdmin >=> choose [
|
|
route "" >=> Admin.WebLog.saveSettings
|
|
subRoute "/rss" (choose [
|
|
route "" >=> Feed.saveSettings
|
|
route "/save" >=> Feed.saveCustomFeed
|
|
routef "/%s/delete" Feed.deleteCustomFeed
|
|
])
|
|
subRoute "/redirect-rules" (choose [
|
|
routef "/%i" Admin.RedirectRules.save
|
|
routef "/%i/up" Admin.RedirectRules.moveUp
|
|
routef "/%i/down" Admin.RedirectRules.moveDown
|
|
routef "/%i/delete" Admin.RedirectRules.delete
|
|
])
|
|
subRoute "/tag-mapping" (choose [
|
|
route "/save" >=> Admin.TagMapping.save
|
|
routef "/%s/delete" Admin.TagMapping.delete
|
|
])
|
|
subRoute "/user" (choose [
|
|
route "/save" >=> User.save
|
|
routef "/%s/delete" User.delete
|
|
])
|
|
])
|
|
subRoute "/theme" (choose [
|
|
route "/new" >=> Admin.Theme.save
|
|
routef "/%s/delete" Admin.Theme.delete
|
|
])
|
|
subRoute "/upload" (choose [
|
|
route "/save" >=> Upload.save
|
|
routexp "/delete/(.*)" Upload.deleteFromDisk
|
|
routef "/%s/delete" Upload.deleteFromDb
|
|
])
|
|
]
|
|
DELETE >=> validateCsrf >=> choose [
|
|
subRoute "/post" (choose [
|
|
routef "/%s/chapter/%i" Post.deleteChapter
|
|
])
|
|
]
|
|
])
|
|
GET_HEAD >=> routexp "/category/(.*)" Post.pageOfCategorizedPosts
|
|
GET_HEAD >=> routef "/page/%i" Post.pageOfPosts
|
|
GET_HEAD >=> routef "/page/%i/" Post.redirectToPageOfPosts
|
|
GET_HEAD >=> routexp "/tag/(.*)" Post.pageOfTaggedPosts
|
|
GET_HEAD >=> routexp "/themes/(.*)" Asset.serve
|
|
GET_HEAD >=> routexp "/upload/(.*)" Upload.serve
|
|
subRoute "/user" (choose [
|
|
GET_HEAD >=> choose [
|
|
route "/log-on" >=> User.logOn None
|
|
route "/log-off" >=> User.logOff
|
|
]
|
|
POST >=> validateCsrf >=> choose [
|
|
route "/log-on" >=> User.doLogOn
|
|
]
|
|
])
|
|
GET_HEAD >=> CatchAll.route
|
|
Error.notFound
|
|
]
|
|
|
|
/// Wrap a router in a sub-route
|
|
let routerWithPath extraPath : HttpHandler =
|
|
subRoute extraPath router
|
|
|
|
/// Handler to apply Giraffe routing with a possible sub-route
|
|
let handleRoute : HttpHandler = fun next ctx ->
|
|
let extraPath = ctx.WebLog.ExtraPath
|
|
(if extraPath = "" then router else routerWithPath extraPath) next ctx
|
|
|
|
|
|
open Giraffe.EndpointRouting
|
|
|
|
/// Endpoint-routed handler to deal with sub-routes
|
|
let endpoint = [ route "{**url}" handleRoute ]
|