Fix search colours on Just Cause 3

Refactored the code to define and process endpoints rather than doing
it imperatively, which avoided a lot of duplicated code.

breezewiki.rkt

@@ -1,5 +1,7 @@
 #lang racket/base
-(require web-server/servlet-dispatch
+(require racket/splicing
+         web-server/servlet-dispatch
+         web-server/safety-limits
          "src/config.rkt"
          "src/dispatcher-tree.rkt"
          "src/reloadable.rkt")
@@ -9,6 +11,9 @@
     (reloadable-entry-point->procedure
      (make-reloadable-entry-point (quote varname) filename))))
 
+(require-reloadable "src/page-captcha.rkt" page-captcha)
+(require-reloadable "src/page-captcha.rkt" page-captcha-image)
+(require-reloadable "src/page-captcha.rkt" page-captcha-verify)
 (require-reloadable "src/page-category.rkt" page-category)
 (require-reloadable "src/page-global-search.rkt" page-global-search)
 (require-reloadable "src/page-home.rkt" page-home)
@@ -34,10 +39,14 @@
                  (if (config-true? 'debug) "127.0.0.1" #f)
                  (config-get 'bind_host))
    #:port (string->number (config-get 'port))
+   #:safety-limits (make-safety-limits #:max-request-body-length (* 8 1024 1024))
    (λ (quit)
      (channel-put ch (lambda () (semaphore-post quit)))
      (dispatcher-tree
       ; order of these does not matter
+      page-captcha
+      page-captcha-image
+      page-captcha-verify
       page-category
       page-global-search
       page-home

dist.rkt

@@ -1,8 +1,10 @@
 #lang racket/base
 (require web-server/servlet-dispatch
+         web-server/safety-limits
          "src/config.rkt"
          "src/dispatcher-tree.rkt")
 
+(require (only-in "src/page-captcha.rkt" page-captcha page-captcha-image page-captcha-verify))
 (require (only-in "src/page-category.rkt" page-category))
 (require (only-in "src/page-global-search.rkt" page-global-search))
 (require (only-in "src/page-home.rkt" page-home))
@@ -24,9 +26,13 @@
                  (if (config-true? 'debug) "127.0.0.1" #f)
                  (config-get 'bind_host))
  #:port (string->number (config-get 'port))
+ #:safety-limits (make-safety-limits #:max-request-body-length (* 8 1024 1024))
  (λ (quit)
    (dispatcher-tree
     ; order of these does not matter
+    page-captcha
+    page-captcha-image
+    page-captcha-verify
     page-category
     page-global-search
     page-home

info.rkt

@@ -1,3 +1,3 @@
 #lang info
 
-(define build-deps '("rackunit-lib" "web-server-lib" "http-easy-lib" "html-parsing" "html-writing" "json-pointer" "typed-ini-lib" "memo" "net-cookies-lib" "db"))
+(define build-deps '("rackunit-lib" "web-server-lib" "http-easy-lib" "html-parsing" "html-writing" "json-pointer" "typed-ini-lib" "memo" "net-cookies-lib" "db" "sequence-tools-lib"))

lib/archive-file-mappings.rkt

@@ -32,4 +32,7 @@
   (uri-decode (regexp-replace* #rx"#" str "/")))
 
 (define (url-segments->guess-title segments)
-  (regexp-replace* #rx"_" (cadr segments) " "))
+  (string-join
+   (for/list ([s (in-list (cdr segments))])
+     (regexp-replace* #rx"_" s " "))
+   "/"))

lib/make-json.rkt

@@ -0,0 +1,83 @@
+#lang racket/base
+(require racket/list/grouping
+         racket/match
+         racket/syntax)
+
+(provide make-json)
+
+(module+ test
+  (require rackunit json)
+  (define sample
+  `(: continue
+      (: iistart "2022-01-23T03:44:17Z"
+         fucontinue "455"
+         continue "||")
+      query
+      (: pages
+         (: 198
+            (: pageid 198
+               ns 6
+               title "File:Rainbow Flag1.svg"
+               imageinfo
+               ((: timestamp "2025-03-10T07:24:50Z"
+                  user "DogeMcMeow"))
+               fileusage
+               ((: pageid 191
+                   ns 0
+                   title "Gay")
+                (: pageid 215
+                   ns 0
+                   title "LGBTQIA+"))))))))
+
+(define (make-json data)
+  (match data
+    [(list ': kvs ...)
+     (for/fold ([h (hasheq)])
+               ([kv (windows 2 2 kvs)])
+       (match-define (list raw-k v) kv)
+       (define k (format-symbol "~a" raw-k))
+       (hash-set h k (make-json v)))]
+    [(list x ...)
+     (map make-json x)]
+    [x
+     x]))
+
+(module+ test
+  (check-equal? (make-json sample)
+                (string->jsexpr #<<END
+{
+    "continue": {
+        "iistart": "2022-01-23T03:44:17Z",
+        "fucontinue": "455",
+        "continue": "||"
+    },
+    "query": {
+        "pages": {
+            "198": {
+                "pageid": 198,
+                "ns": 6,
+                "title": "File:Rainbow Flag1.svg",
+                "imageinfo": [
+                    {
+                        "timestamp": "2025-03-10T07:24:50Z",
+                        "user": "DogeMcMeow"
+                    }
+                ],
+                "fileusage": [
+                    {
+                        "pageid": 191,
+                        "ns": 0,
+                        "title": "Gay"
+                    },
+                    {
+                        "pageid": 215,
+                        "ns": 0,
+                        "title": "LGBTQIA+"
+                    }
+                ]
+            }
+        }
+    }
+}
+END
+                                )))

lib/tree-updater.rkt

@@ -12,7 +12,7 @@
  update-tree-wiki)
 
 (define (preprocess-html-wiki html)
-  (regexp-replace* #rx"(<(?:td|figcaption)[^>]*?>\n?)(?:<li>|[ \t]*?<p class=\"caption\">(.*?)</p>)"
+  (regexp-replace* #rx"(<(?:td|figcaption)[^>]*?>\n?)(?:[ \t]*<a href=\"[^\"]*\" class=\"info-icon\"><svg><use xlink:href=\"#wds-icons-info-small\"></use></svg></a>)?(?:<li>|[ \t]*?<p class=\"caption\">(.*?)</p>)"
                    html (λ (whole first-tag [contents #f])
                           (if (eq? (string-ref whole 1) #\f) ;; figcaption
                               (string-append first-tag "<span class=\"caption\">" contents "</span>")
@@ -58,6 +58,16 @@
                                (data-src "https://static.wikia.nocookie.net/nice-image-thumbnail.png")
                                (class "thumbimage")))))
                    (figcaption "Test figure!"))
+           (div (@ (type "slideshow") (position "center") (widths "500") (mode "slideshow") (seq-no "0") (id "slideshow-0") (hash "b62d0efee427ad7dff1026e6e9dd078c") (class "wikia-slideshow wikia-gallery slideshow-center"))
+                (div (@ (class "wikia-slideshow-wrapper") (style "width: 500px") (data-test-outer-width))
+                     (div (@ (class "wikia-slideshow-images-wrapper"))
+                          (ul (@ (class "wikia-slideshow-images neutral") (style "height: 375px; width: 500px") (data-test-inner-width))
+                              (li (@ (class "wikia-slideshow-first-image"))
+                                  (a (@ (class "image lightbox") (title "Expand slideshow") (id "slideshow-0-0") (style "width: 420px"))
+                                     (img (@ (data-src "https://static.wikia.nocookie.net/example/images/3/3d/Image.jpg/revision/latest/scale-to-width-down/500?cb=20140129105112") (class "thumbimage") (width "500") (height "281") (style "border: 0px;"))))
+                                  (div (@ (class "wikia-slideshow-overlay"))
+                                       (div (@ (class "wikia-slideshow-image-caption"))
+                                            "Example caption")))))))
            (iframe (@ (src "https://example.com/iframe-src")))
            (div (@ (class "reviews"))
                 (header "GameSpot Expert Reviews"))
@@ -225,6 +235,16 @@
                                    (eq? element-type 'use))
                                  element))))
        return-no-element]
+      ; svg icon for external links
+      [(and (eq? element-type 'a)
+            (dict-has-key? attributes 'href)
+            (not (string-contains? (car (dict-ref attributes 'href)) "wikipedia.org"))
+            (or (has-class? "extiw" attributes) (has-class? "external" attributes)))
+       `(,element-type
+         ,attributes
+         (,@children
+          (svg (@ (fill "currentColor") (width "12") (height "12") (viewBox "0 0 12 12") (class "external"))
+               (path (@ (d "M6 1h5v5L8.86 3.85 4.7 8 4 7.3l4.15-4.16zM2 3h2v1H2v6h6V8h1v2a1 1 0 0 1-1 1H2a1 1 0 0 1-1-1V4a1 1 0 0 1 1-1"))))))]
       ; exclude infobox items that are videos, and gallery items that are videos
       [(and (or (has-class? "pi-item" attributes)
                 (has-class? "wikia-gallery-item" attributes))
@@ -254,6 +274,9 @@
       ; remove gamespot reviews/ads
       [(has-class? "reviews" attributes)
        return-no-element]
+      ; remove genai quick answers
+      [(has-class? "trfc161" attributes)
+       return-no-element]
       ; remove customcollapsible customtoggle buttons - sample: warframe/wiki/Amp_(Ability)
       [(and (dict-has-key? attributes 'class) (regexp-match? #rx"^mw-customtoggle-[^ ]* button-c$" (car (dict-ref attributes 'class))))
        return-no-element]

src/application-globals.rkt

@@ -163,11 +163,14 @@
          #:head-data [head-data-in #f]
          #:siteinfo [siteinfo-in #f]
          #:user-cookies [user-cookies-in #f]
-         #:online-styles [online-styles #t])
+         #:online-styles [online-styles #t]
+         #:path [path-in #f]
+         #:jsonp [jsonp-in #f])
   (define siteinfo (or siteinfo-in siteinfo-default))
   (define head-data (or head-data-in ((head-data-getter wikiname))))
   (define user-cookies (or user-cookies-in (user-cookies-getter req)))
   (define origin (format "https://~a.fandom.com" wikiname))
+  (define path (or path-in ""))
   (define required-styles
     (cond
       [online-styles
@@ -197,12 +200,15 @@
       (link (@ (rel "stylesheet") (type "text/css") (href ,(get-static-url "main.css"))))
       (script "const BWData = "
               ,(jsexpr->string (hasheq 'wikiname wikiname
-                                       'strict_proxy (config-true? 'strict_proxy))))
+                                       'strict_proxy (config-true? 'strict_proxy)
+                                       'path path
+                                       'jsonp jsonp-in)))
+      (script (@ (type "importmap")) ,importmap)
       ,(if (config-true? 'feature_search_suggestions)
            `(script (@ (type "module") (src ,(get-static-url "search-suggestions.js"))))
            "")
       (script (@ (type "module") (src ,(get-static-url "countdown.js"))))
-      (script (@ (defer) (src ,(get-static-url "tabs.js"))))
+      (script (@ (type "module") (src ,(get-static-url "tabs.js"))))
       (link (@ (rel "icon") (href ,(u (λ (v) (config-true? 'strict_proxy))
                                       (λ (v) (u-proxy-url v))
                                       (head-data^-icon-url head-data))))))
@@ -229,7 +235,18 @@
                      (main (@ (class "page__main"))
                            ,(extwiki-notice wikiname title req user-cookies)
                            (div (@ (class "custom-top"))
-                                (h1 (@ (class "page-title")) ,title)
+                                (h1 (@ (class "page-title"))
+                                    ;; adds rudimentary "up" navigation, e.g. /minecraft/wiki/Bastion_Remnant/Structure/Blueprints/Bastion_treasure_corners_edge_middle_blueprint
+                                    ,@(let ([segments (string-split title "/")])
+                                        (add-between
+                                         (for/list ([segment (in-list segments)]
+                                                    [depth (in-naturals 1)])
+                                           (define anti-depth (- (length segments) depth))
+                                           (define up-href (string-join (make-list anti-depth "..") "/"))
+                                           (if (non-empty-string? up-href)
+                                               `(a (@ (href ,(format "~a/~a" up-href segment))) ,segment)
+                                               segment))
+                                         "/")))
                                 (nav (@ (class "sitesearch"))
                                      (form (@ (action ,(format "/~a/search" wikiname))
                                               (class "bw-search-form")

src/config.rkt

@@ -49,6 +49,12 @@
     (feature_offline::only . "false")
     (feature_offline::search . "fandom")
 
+    (feature_jsonp::enabled . "true")
+
+    (captcha::enabled . "false")
+    (captcha::log . "false")
+    (captcha::ip_header . "")
+
     (access_log::enabled . "false")
 
     (promotions::indie_wiki_buddy . "banner home")))

src/data.rkt

@@ -20,6 +20,7 @@
  (struct-out license^)
  (struct-out head-data^)
  (struct-out user-cookies^)
+ data->siteinfo
  siteinfo-fetch
  siteinfo-default
  license-default
@@ -66,12 +67,15 @@
           ("formatversion" . "2"))))
      (cond [(= (easy:response-status-code res) 200)
             (define data (easy:response-json res))
-            (siteinfo^ (jp "/query/general/sitename" data)
-                       (second (regexp-match #rx"/wiki/(.*)" (jp "/query/general/base" data)))
-                       (license^ (jp "/query/rightsinfo/text" data)
-                                 (jp "/query/rightsinfo/url" data)))]
+            (data->siteinfo data)]
            [else siteinfo-default])]))
 
+(define (data->siteinfo data)
+  (siteinfo^ (jp "/query/general/sitename" data)
+             (second (regexp-match #rx"/wiki/(.*)" (jp "/query/general/base" data)))
+             (license^ (jp "/query/rightsinfo/text" data)
+                       (jp "/query/rightsinfo/url" data))))
+
 (define/memoize (head-data-getter wikiname) #:hash hash
   ;; data will be stored here, can be referenced by the memoized closure
   (define this-data head-data-default)

src/dispatcher-tree.rkt

@@ -55,11 +55,17 @@
   (define tree
     (sequencer:make
      subdomain-dispatcher
+     (pathprocedure:make "/buddyfight/wiki/It_Doesn't_Work!!" (page ds page-it-works))
      (pathprocedure:make "/" (page ds page-home))
+     (filter:make #rx"^/static/" (hash-ref ds 'static-dispatcher))
+     (filter:make (pregexp "^/captcha/img/[0-9]+/[0-9]+$") (lift:make (page ds page-captcha-image)))
+     (filter:make (pregexp "^/captcha/verify/[0-9]+/[0-9]+/[0-9]+/[0-9]+$") (lift:make (page ds page-captcha-verify)))
+     (if (config-true? 'captcha::enabled)
+         (lift:make (page ds page-captcha))
+         (λ (_conn _req) (next-dispatcher)))
      (pathprocedure:make "/proxy" (page ds page-proxy))
      (pathprocedure:make "/search" (page ds page-global-search))
      (pathprocedure:make "/set-user-settings" (page ds page-set-user-settings))
-     (pathprocedure:make "/buddyfight/wiki/It_Doesn't_Work!!" (page ds page-it-works))
      (filter:make (pregexp (format "^/~a/wiki/Category:.+$" px-wikiname)) (lift:make (page ds page-category)))
      (filter:make (pregexp (format "^/~a/wiki/File:.+$" px-wikiname)) (lift:make (page ds page-file)))
      (if (config-true? 'feature_offline::enabled)

src/endpoints.rkt

@@ -0,0 +1,248 @@
+#lang racket/base
+(require racket/format
+         racket/match
+         racket/string
+         ; libs
+         (prefix-in easy: net/http-easy)
+         json
+         ; html libs
+         html-writing
+         ; web server libs
+         web-server/http
+         web-server/dispatchers/dispatch
+         ; my libs
+         "application-globals.rkt"
+         "config.rkt"
+         "data.rkt"
+         "fandom-request.rkt"
+         "static-data.rkt"
+         "../lib/archive-file-mappings.rkt"
+         "../lib/thread-utils.rkt"
+         "../lib/url-utils.rkt"
+         "../lib/xexpr-utils.rkt")
+(require (for-syntax racket/base syntax/parse))
+
+(provide
+ define-endpoint
+ define-standard-handler
+ define-post-data-handler
+ define-jsonp-handler
+ make-switch-handler
+ (all-from-out racket/format
+               racket/match
+               json
+               net/http-easy
+               web-server/dispatchers/dispatch
+               "../lib/thread-utils.rkt"
+               "../lib/archive-file-mappings.rkt"
+               "config.rkt"
+               "data.rkt"
+               "fandom-request.rkt"
+               "static-data.rkt"))
+
+
+(define-for-syntax (fix-scopes here orig stx)
+  (define remover (make-syntax-delta-introducer here #f))
+  (define introducer (make-syntax-delta-introducer orig #f))
+  (introducer (remover stx 'remove)))
+
+
+(define-syntax (define-endpoint stx)
+  (syntax-parse stx
+    [(_ name
+        (~and (~seq all ...)
+              (~seq
+               ((~datum variables) variable ...)
+               ((~datum endpoints) endpoint ...)
+               ((~datum render) render ...))))
+     #'(define-syntax name #'(all ...))]))
+
+
+(define ((make-switch-handler #:standard standard #:jsonp jsonp #:post post) req)
+  (cond
+    [(equal? (request-method req) #"POST")
+     (post req)]
+    [(config-true? 'feature_jsonp::enabled)
+     (jsonp req)]
+    [else
+     (standard req)]))
+
+
+(define-syntax (define-standard-handler stx)
+  (syntax-parse stx
+    [(_ (~and name-args (name:id arg:id ...)) endpoint-ref:expr fn-body ...)
+     #:with endpoint-syntax (syntax-local-value (cadr (syntax->list #'endpoint-ref)))
+     (syntax-parse #'endpoint-syntax
+       #:context 'endpoint-data
+       [(((~datum variables) variable ...)
+         ((~datum endpoints) (endpoint-id:id (endpoint-param:expr ...)) ...)
+         ((~datum render) render ...))
+        #:with endpoint-getters (for/list ([id (syntax-e #'(endpoint-id ...))]
+                                           [params (syntax-e #'((endpoint-param ...) ...))])
+                                  (with-syntax ([params (append (syntax-e params) #;'(("callback" . "proxy.wikipage")))])
+                                    (if (eq? (syntax-e id) 'siteinfo)
+                                        #'(λ ()
+                                            (siteinfo-fetch wikiname))
+                                        #'(λ ()
+                                            (fandom-get-api
+                                             wikiname
+                                             `params
+                                             #:headers `#hasheq((cookie . ,(format "theme=~a" (user-cookies^-theme user-cookies)))))))))
+        #:with endpoint-intermediates->values (for/list ([id (syntax-e #'(endpoint-id ...))])
+                                                (with-syntax ([id id])
+                                                  (if (eq? (syntax-e #'id) 'siteinfo)
+                                                      #'id
+                                                      #'(easy:response-json id))))
+
+        (fix-scopes
+         #'here stx
+         #'(define name-args
+             (response-handler
+              (let/cc k
+                variable ...
+                (define user-cookies (user-cookies-getter req))
+                (define-values (endpoint-id ...)
+                  (let-values ([(endpoint-id ...) (thread-values (~@ . endpoint-getters))])
+                    (for ([response (list endpoint-id ...)]
+                          #:when (easy:response? response))
+                      (match (easy:response-status-code response)
+                        [404
+                         (next-dispatcher)]
+                        [(or 403 406)
+                         (define body
+                           (generate-wiki-page
+                            `(div
+                              (p "Sorry! Fandom isn't allowing BreezeWiki to show pages right now.")
+                              (p "We'll automatically try again in 30 seconds, so please stay on this page and be patient.")
+                              (p (small "In a hurry? " (a (@ (href ,source-url)) "Click here to read the page on Fandom."))))
+                            #:req req
+                            #:source-url source-url
+                            #:wikiname wikiname
+                            #:title title
+                            #:siteinfo siteinfo))
+                         (k (response/output
+                             #:code 503
+                             #:headers (build-headers
+                                        always-headers
+                                        (header #"Retry-After" #"30")
+                                        (header #"Cache-Control" #"max-age=30, public")
+                                        (header #"Refresh" #"35"))
+                             (λ (out)
+                               (write-html body out))))]
+                        [(not 200)
+                         (k (error 'page-wiki "Tried to load page ~a/~a~nSadly, the page didn't load because Fandom returned status code ~a with response:~n~a"
+                                   wikiname
+                                   path
+                                   (easy:response-status-code response)
+                                   (easy:response-body response)))]
+                        [_ (void)]))
+                    (values (~@ . endpoint-intermediates->values))))
+                fn-body ...
+                render ...))))])]))
+
+
+(define-syntax (define-post-data-handler stx)
+  (syntax-parse stx
+    [(_ (~and name-args (name:id arg:id ...)) endpoint-ref:expr fn-body ...)
+     #:with endpoint-syntax (syntax-local-value (cadr (syntax->list #'endpoint-ref)))
+     (syntax-parse #'endpoint-syntax
+       #:context 'endpoint-data
+       [(((~datum variables) variable ...)
+         ((~datum endpoints) (endpoint-id:id (endpoint-param:expr ...)) ...)
+         ((~datum render) render ...))
+        #:with endpoint-getters (for/list ([id (syntax-e #'(endpoint-id ...))]
+                                           [params (syntax-e #'((endpoint-param ...) ...))])
+                                  (with-syntax ([id id])
+                                    (if (eq? (syntax-e #'id) 'siteinfo)
+                                        #'(data->siteinfo (hash-ref post-data 'id))
+                                        #'(hash-ref post-data 'id))))
+
+        (fix-scopes
+         #'here stx
+         #'(define name-args
+             (response-handler
+              (let/cc k
+                (define (k-validation-error message)
+                  (k (response/jsexpr
+                      #:code 400
+                      #:headers always-headers
+                      `#hasheq((error .
+                                      #hasheq((code . "breezewiki")
+                                              (info . ,message)))))))
+                (define post-data/bytes (request-post-data/raw req))
+                (when (not post-data/bytes)
+                  (k-validation-error "POST requests only, please."))
+
+                (define origin-header
+                  (or (headers-assq* #"origin" (request-headers/raw req))
+                      (headers-assq* #"referer" (request-headers/raw req))))
+                (when (or (not origin-header) (not (string-prefix? (bytes->string/latin-1 (header-value origin-header)) (config-get 'canonical_origin))))
+                  (k-validation-error "Origin/Referer header failed validation - cross-origin requests are not allowed here"))
+
+                (define post-data/string (bytes->string/utf-8 post-data/bytes))
+                (define post-data (string->jsexpr post-data/string))
+                (define-values (endpoint-id ...) (values (~@ . endpoint-getters)))
+                (define wikiname (hash-ref post-data 'wikiname))
+                (define path (hash-ref post-data 'path))
+                (define source-url (format "https://~a.fandom.com/wiki/~a" wikiname path))
+                fn-body ...
+                render ...))))])]))
+
+
+(define-syntax (define-jsonp-handler stx)
+  (syntax-parse stx
+    [(_ (~and name-args (name:id arg:id ...)) endpoint-ref:expr fn-body ...)
+     #:with endpoint-syntax (syntax-local-value (cadr (syntax->list #'endpoint-ref)))
+     (syntax-parse #'endpoint-syntax
+       #:context 'endpoint-data
+       [(((~datum variables) variable ...)
+         ((~datum endpoints) (endpoint-id:id (endpoint-param:expr ...)) ...)
+         ((~datum render) render ...))
+        #:with endpoint-scripts (for/list ([id (syntax-e #'(endpoint-id ...))]
+                                           [params (syntax-e #'((endpoint-param ...) ...))])
+                                  (with-syntax ([id id]
+                                                [params (append (syntax-e params)
+                                                                `(("callback" . ,(format "proxy.~a" (syntax-e id)))))])
+                                    #'(script (@ (async)
+                                                 (src ,(format "https://~a.fandom.com/api.php?~a"
+                                                               wikiname
+                                                               (params->query `params)))
+                                                 (data-jsonp-var ,(format "~a" 'id))
+                                                 (onerror ,(format "proxy.~a({error: {code: 'disconnected', info: 'Fandom connection failed or was blocked by your browser. Check any browser extensions that may block third-party scripts, then reload the page.'}})" 'id))))))
+
+        (fix-scopes
+         #'here stx
+         #'(define name-args
+             (response-handler
+              (let/cc k
+                variable ...
+                fn-body ...
+
+                (define body
+                  (generate-wiki-page
+                   `(div
+                     (noscript "You have to enable JavaScript to load wiki pages. Sorry!")
+                     (div (@ (id "loading")))
+                     (div (@ (id "progress-bar") (style "margin-bottom: 50vh"))
+                          (progress))
+                     (script #<<END
+var jsonpData = {}
+var proxy = new Proxy(jsonpData, {get(obj, prop) { return value => obj[prop] = value }})
+END
+                             )
+                     endpoint-scripts
+                     (script (@ (type "module") (src ,(get-static-url "jsonp.js")))))
+                   #:req req
+                   #:source-url source-url
+                   #:wikiname wikiname
+                   #:title title
+                   #:siteinfo siteinfo-default
+                   #:path path
+                   #:jsonp #t))
+                (when (config-true? 'debug)
+                  (xexp->html body))
+                (response/output
+                 #:code 200
+                 #:headers always-headers
+                 (λ (out)
+                   (write-html body out)))))))])]))

src/extwiki-data.rkt

@@ -92,6 +92,16 @@
            (λ (props)
              '()))
 
+          'Undertale
+          (extwiki-group^
+           "Undertale"
+           '(("Reasons and community vote" . "https://undertale.fandom.com/f/p/4400000000000078624")
+             ("Moving announcement" . "https://undertale.fandom.com/f/p/4400000000000078715")
+             ("About the new wiki" . "https://undertale.wiki/w/Undertale_Wiki:About"))
+           (λ (props)
+             '((p "Following a community vote on March 26, 2025, most of the wiki's editors have moved to a new host. As a result, this wiki's content may be outdated or incorrect.")
+               (p "The Undertale & Deltarune Wikis voted to move off their previous host, Fandom. Their reasons included bad user experience, lack of editorial freedom, and disagreement with the sporadic AI Quick Answers that were visible to logged off readers on August 19, 2023. Both wikis moved, and are now independently hosted by the wikis' staff."))))
+
           'empty
           (extwiki-group^
            "Misc"
@@ -533,6 +543,24 @@
          (p "Please stop using the abandoned copy of Rain Wiki on Fandom. Fandom is still \"training\" a generator which adds procedurally-generated bullshit to articles, with no way for users to remove or correct it, and they're demanding volunteer wiki admins waste time \"vetting\" the procedurally-generated BS for accuracy. As Jocelyn herself said, \"fuck Fandom forever.\"")
          (p "If you are interested, please add more articles related to other Rainverse stories."))))
 
+    (extwiki^
+     '("undertale") 'default
+     'Undertale
+     "Undertale Wiki"
+     "https://undertale.wiki/w/Undertale_Wiki"
+     "https://static.wikia.nocookie.net/undertale/images/e/e6/Site-logo.png/revision/latest?cb=20220717174821"
+     (λ (props)
+       `()))
+
+    (extwiki^
+     '("deltarune") 'default
+     'Undertale
+     "Deltarune Wiki"
+     "https://deltarune.wiki/w/Deltarune_Wiki"
+     "https://deltarune.wiki/images/Deltarune_Wiki_logo.png?cb=cvvhwg&h=thumb.php&f=Deltarune_Wiki_logo.png"
+     (λ (props)
+       `()))
+
    ;; fandom wikinames * empty * empty * Name * Home Page
    (extwiki^ '("aether") 'empty 'empty "Aether Wiki" "https://aether.wiki.gg/wiki/Aether_Wiki" #f #f)
    (extwiki^ '("before-darkness-falls") 'empty 'empty "Before Darkness Falls Wiki" "https://beforedarknessfalls.wiki.gg/wiki/Before_Darkness_Falls_Wiki" #f #f)
@@ -569,6 +597,7 @@
    (extwiki^ '("totherescue") 'empty 'empty "To The Rescue!" "https://totherescue.wiki.gg/wiki/To_The_Rescue%21_Wiki" #f #f)
    (extwiki^ '("touhou") 'empty 'empty "Touhou Wiki" "https://en.touhouwiki.net/wiki/Touhou_Wiki" #f #f)
    (extwiki^ '("undermine") 'empty 'empty "Official UnderMine Wiki" "https://undermine.wiki.gg/wiki/UnderMine_Wiki" #f #f)
+   (extwiki^ '("undertaleyellow") 'empty 'empty "Undertale Yellow Wiki" "https://undertaleyellow.wiki.gg/wiki/Undetale_Yellow_Wiki" #f #f)
    (extwiki^ '("westofloathing" "loathing") 'empty 'empty "Wiki of Loathing" "https://loathing.wiki.gg/wiki/Wiki_of_Loathing" #f #f)
    (extwiki^ '("willyousnail") 'empty 'empty "Official Will You Snail Wiki" "https://willyousnail.wiki.gg/wiki/Will_You_Snail_Wiki" #f #f)
    (extwiki^ '("yumenikki" "yume-nikki-dream-diary") 'empty 'empty "Yume Wiki" "https://yume.wiki/Main_Page" #f #f)))

src/extwiki-generic.rkt

@@ -85,46 +85,47 @@
 
 (define/memoize (get-redirect-content wikiname) #:hash hash
   (define wiki (hash-ref wikis-hash wikiname #f))
-  (cond
-    [wiki
-     (define display-name (cadr wiki))
-     (define endpoint (string-append (get-api-endpoint wiki) "?action=parse&page=MediaWiki:BreezeWikiRedirect&prop=text&formatversion=2&format=json"))
-     (define res (get endpoint))
-     (define html (jp "/parse/text" (response-json res)))
-     (define content ((query-selector (λ (t a c) (has-class? "mw-parser-output" a))
-                                      (html->xexp html))))
-     (define body (for/list ([p (in-producer (query-selector (λ (t a c) (eq? t 'p)) content) #f)]) p))
-     (define table (parse-table ((query-selector (λ (t a c) (eq? t 'table)) content))))
-     (define-values (links links-errors) (table->links table))
-     (define-values (logo logo-errors) (table->logo table))
-     (define construct-errors (append links-errors logo-errors))
-     (λ (title)
-       (define go
-         (string-append (get-search-page wiki)
-                        "?"
-                        (params->query `(("search" . ,title)
-                                         ("go" . "Go")))))
-       `(aside (@ (class "niwa__notice"))
-               (h1 (@ (class "niwa__header")) ,display-name " has its own website separate from Fandom.")
-               (div (@ (class "niwa__cols"))
-                    (div (@ (class "niwa__left"))
-                         (a (@ (class "niwa__go") (href ,go)) "Read " ,title " on " ,display-name " →")
-                         ,@body
-                         (p "This external wiki is a helpful alternative to Fandom. You should "
-                            (a (@ (href ,go)) "check it out now!")))
-                    ,(if logo
-                         `(div (@ (class "niwa__right"))
-                               (img (@ (class "niwa__logo") (src ,logo))))
-                         ""))
-               ,(if (pair? links)
-                    `(p (@ (class "niwa__feedback"))
-                        ,@(add-between links " / "))
-                    "")
-               ,(if (pair? construct-errors)
-                    `(ul
-                      ,@(for/list ([error construct-errors])
-                          `(li ,error)))
-                    "")))]
-    [#t #f]))
+  (with-handlers ([exn:fail:http-easy:timeout? (λ (e) #f)])
+    (cond
+      [wiki
+       (define display-name (cadr wiki))
+       (define endpoint (string-append (get-api-endpoint wiki) "?action=parse&page=MediaWiki:BreezeWikiRedirect&prop=text&formatversion=2&format=json"))
+       (define res (get endpoint))
+       (define html (jp "/parse/text" (response-json res)))
+       (define content ((query-selector (λ (t a c) (has-class? "mw-parser-output" a))
+                                        (html->xexp html))))
+       (define body (for/list ([p (in-producer (query-selector (λ (t a c) (eq? t 'p)) content) #f)]) p))
+       (define table (parse-table ((query-selector (λ (t a c) (eq? t 'table)) content))))
+       (define-values (links links-errors) (table->links table))
+       (define-values (logo logo-errors) (table->logo table))
+       (define construct-errors (append links-errors logo-errors))
+       (λ (title)
+         (define go
+           (string-append (get-search-page wiki)
+                          "?"
+                          (params->query `(("search" . ,title)
+                                           ("go" . "Go")))))
+         `(aside (@ (class "niwa__notice"))
+                 (h1 (@ (class "niwa__header")) ,display-name " has its own website separate from Fandom.")
+                 (div (@ (class "niwa__cols"))
+                      (div (@ (class "niwa__left"))
+                           (a (@ (class "niwa__go") (href ,go)) "Read " ,title " on " ,display-name " →")
+                           ,@body
+                           (p "This external wiki is a helpful alternative to Fandom. You should "
+                              (a (@ (href ,go)) "check it out now!")))
+                      ,(if logo
+                           `(div (@ (class "niwa__right"))
+                                 (img (@ (class "niwa__logo") (src ,logo))))
+                           ""))
+                 ,(if (pair? links)
+                      `(p (@ (class "niwa__feedback"))
+                          ,@(add-between links " / "))
+                      "")
+                 ,(if (pair? construct-errors)
+                      `(ul
+                        ,@(for/list ([error construct-errors])
+                            `(li ,error)))
+                      "")))]
+      [#t #f])))
 (module+ test
   (check-not-false ((get-redirect-content "gallowmere") "MediEvil Wiki")))

src/fandom-request.rkt

@@ -1,12 +1,16 @@
 #lang typed/racket/base
-(require "config.rkt"
+(require racket/format
+         racket/string
+         "config.rkt"
          "../lib/url-utils.rkt")
 (define-type Headers (HashTable Symbol (U Bytes String)))
 (require/typed net/http-easy
   [#:opaque Timeout-Config timeout-config?]
   [#:opaque Response response?]
   [#:opaque Session session?]
+  [response-status-code (Response -> Natural)]
   [current-session (Parameter Session)]
+  [current-user-agent (Parameter (U Bytes String))]
   [make-timeout-config ([#:lease Positive-Real] [#:connect Positive-Real] -> Timeout-Config)]
   [get ((U Bytes String)
         [#:close? Boolean]
@@ -22,19 +26,41 @@
  fandom-get-api
  timeouts)
 
+(unless (string-contains? (~a (current-user-agent)) "BreezeWiki")
+  (current-user-agent
+   (format "BreezeWiki/1.0 (~a) ~a"
+           (if (config-true? 'canonical_origin)
+               (config-get 'canonical_origin)
+               "local")
+           (current-user-agent))))
+
 (define timeouts (make-timeout-config #:lease 5 #:connect 5))
 
+(: last-failure Flonum)
+(define last-failure 0.0)
+(: stored-failure (Option Response))
+(define stored-failure #f)
+(define failure-persist-time 30000)
+
 (: no-headers Headers)
 (define no-headers '#hasheq())
 
 (: fandom-get (String String [#:headers (Option Headers)] -> Response))
 (define (fandom-get wikiname path #:headers [headers #f])
-  (define dest-url (string-append "https://www.fandom.com" path))
-  (define host (string-append wikiname ".fandom.com"))
-  (log-outgoing wikiname path)
-  (get dest-url
-       #:timeouts timeouts
-       #:headers (hash-set (or headers no-headers) 'Host host)))
+  (or
+   (and ((current-inexact-milliseconds) . < . (+ last-failure failure-persist-time)) stored-failure)
+   (let ()
+     (define dest-url (string-append "https://www.fandom.com" path))
+     (define host (string-append wikiname ".fandom.com"))
+     (log-outgoing wikiname path)
+     (define res
+       (get dest-url
+            #:timeouts timeouts
+            #:headers (hash-set (or headers no-headers) 'Host host)))
+     (when (memq (response-status-code res) '(403 406))
+       (set! last-failure (current-inexact-milliseconds))
+       (set! stored-failure res))
+     res)))
 
 (: fandom-get-api (String (Listof (Pair String String)) [#:headers (Option Headers)] -> Response))
 (define (fandom-get-api wikiname params #:headers [headers #f])

src/page-captcha.rkt

@@ -0,0 +1,179 @@
+#lang racket/base
+(require racket/class
+         racket/dict
+         racket/draw
+         pict
+         file/convertible
+         racket/format
+         racket/list
+         racket/math
+         racket/match
+         web-server/http
+         (only-in web-server/dispatchers/dispatch next-dispatcher)
+         net/url
+         (only-in net/cookies/server cookie->set-cookie-header cookie-header->alist)
+         html-writing
+         "application-globals.rkt"
+         "data.rkt"
+         "config.rkt"
+         "static-data.rkt"
+         "../lib/url-utils.rkt"
+         "../lib/xexpr-utils.rkt")
+
+(provide
+ page-captcha
+ page-captcha-image
+ page-captcha-verify)
+
+(define (get-ip req)
+  (define header
+    (if (config-true? 'captcha::ip_header)
+        (headers-assq* (string->bytes/utf-8 (config-get 'captcha::ip_header)) (request-headers/raw req))
+        #f))
+  (if header
+      (~a (header-value header))
+      (request-client-ip req)))
+
+(define (get-rng req)
+  (parameterize ([current-pseudo-random-generator (make-pseudo-random-generator)])
+    (define ip-segments (regexp-match* "[0-9]+" (get-ip req)))
+    (define seed
+      (modulo
+       (for/sum ([i (in-naturals)]
+                 [s ip-segments])
+         (* (add1 i) (add1 (string->number s))))
+       (expt 2 32)))
+    (random-seed seed)
+    (current-pseudo-random-generator)))
+
+(define (get-key-solution req)
+  (parameterize ([current-pseudo-random-generator (get-rng req)])
+    (random 1 (add1 9))))
+
+(define diameter 35)
+(define font (make-object font% 12 'system))
+(define msg "I'm not a robot!")
+(define checkbox (filled-ellipse diameter diameter #:color "Red"))
+(define assembly
+  (frame
+   (inset
+    (hc-append
+     8
+     checkbox
+     (text msg font))
+    8)))
+(define-values (inner-x inner-y) (cc-find assembly checkbox))
+(define-values (lt-x lt-y) (lt-find assembly checkbox))
+(define-values (rb-x rb-y) (rb-find assembly checkbox))
+
+(define (get-coordinate-solution req w h)
+  (parameterize ([current-pseudo-random-generator (get-rng req)])
+    (values (random (exact-truncate lt-x) (exact-truncate (- w rb-x)))
+            (random (exact-truncate lt-y) (exact-truncate (- h rb-y))))))
+
+(define (page-captcha req)
+  (define cookie-header (headers-assq* #"cookie" (request-headers/raw req)))
+  (define cookies-alist (if cookie-header (cookie-header->alist (header-value cookie-header) bytes->string/utf-8) null))
+  (for ([pair cookies-alist])
+    (match pair
+      [(cons "captcha" method)
+       (when (config-true? 'captcha::log)
+         (printf "captcha skip - via ~a [~a] - ~v~n" method (get-ip req) (url->string (request-uri req))))
+       (next-dispatcher)]
+      [_ (void)]))
+  
+  (response-handler
+   (define body
+     `(*TOP*
+       (*DECL* DOCTYPE html)
+       (html
+        (head
+         (meta (@ (name "viewport") (content "width=device-width, initial-scale=1")))
+         (title "Checking you're not a bot...")
+         (link (@ (rel "stylesheet") (type "text/css") (href ,(get-static-url "internal.css"))))
+         (link (@ (rel "stylesheet") (type "text/css") (href ,(get-static-url "main.css"))))
+         (link (@ (rel "icon") (href ,(head-data^-icon-url head-data-default))))
+         (script (@ (defer) (src ,(get-static-url "captcha.js")))))
+        (body (@ (class "skin-fandomdesktop theme-fandomdesktop-light internal"))
+              (div (@ (class "main-container"))
+                   (div (@ (class "fandom-community-header__background tileBoth header")))
+                   (div (@ (class "page"))
+                        (main (@ (class "page__main"))
+                              (div (@ (class "custom-top"))
+                                   (h1 (@ (class "page-title"))
+                                       "Checking you're not a bot..."))
+                              (div (@ (id "content") #;(class "page-content"))
+                                   (div (@ (id "mw-content-text"))
+                                        (p "To confirm, please click directly in the circle, or hold down the " ,(~a (get-key-solution req)) " key on your keyboard.")
+                                        (noscript (p "JavaScript is required for the captcha. Sorry!"))
+                                        (div (@ (id "captcha-area")))))
+                              ,(application-footer #f))))))))
+   (when (config-true? 'debug)
+     (xexp->html body))
+   (response/output
+    #:code 200
+    #:headers always-headers
+    (λ (out)
+      (write-html body out)))))
+
+(define (page-captcha-image req)
+  (response-handler
+   (define w (string->number (path/param-path (third (url-path (request-uri req))))))
+   (define h (string->number (path/param-path (fourth (url-path (request-uri req))))))
+   (define-values (at-x at-y) (get-coordinate-solution req w h))
+   (when (config-true? 'captcha::log)
+     (printf "captcha show - size ~a x ~a - solution ~a x ~a [~a]~n" w h at-x at-y (get-ip req)))
+   #;(printf "target: ~a x ~a~ncanvas: ~a x ~a~npict size: ~a-~a ~a-~a~n" at-x at-y x y lt-x rb-x lt-y rb-y)
+   (define dc (make-object bitmap-dc% #f))
+   (send dc set-font font)
+   (define bm (make-object bitmap% w h #f #f))
+   (send dc set-bitmap bm)
+   (draw-pict
+    assembly
+    dc
+    (- at-x inner-x)
+    (- at-y inner-y))
+   (define image (convert bm 'png-bytes))
+   (response/output
+    #:mime-type #"image/png"
+    #:headers (list (header #"Cache-Control" #"no-cache"))
+    (λ (out) (display image out)))))
+
+(define (page-captcha-verify req)
+  (response-handler
+   (match-define (list w h x y) (for/list ([segment (drop (url-path (request-uri req)) 2)])
+                                  (string->number (path/param-path segment))))
+   #;(printf "solution: ~a x ~a~ncoordinate: ~a x ~a~ndist^2: ~a~n" solution-x solution-y x y dist)
+   (define headers
+     (build-headers
+      always-headers
+      (cond
+        [(and (= y 0) (= x (get-key-solution req)))
+         (when (config-true? 'captcha::log)
+           (printf "captcha pass - key ~a [~a]~n" x (get-ip req)))
+
+         (header #"Set-Cookie" (cookie->set-cookie-header (make-cookie "captcha" "key" #:path "/" #:max-age (* 60 60 24 365 10) #:http-only? #t #:secure? #t)))]
+        [(= y 0)
+         (when (config-true? 'captcha::log)
+           (printf "captcha fail - key ~a instead of ~a [~a]~n" x (get-key-solution req) (get-ip req)))]
+        [else (void)])
+      (when (> y 0)
+        (let-values ([(solution-x solution-y) (get-coordinate-solution req w h)])
+          (let ([dist (+ (expt (- x solution-x) 2) (expt (- y solution-y) 2))])
+            (cond
+              [(dist . < . (expt (/ diameter 2) 2))
+               (when (config-true? 'captcha::log)
+                 (printf "captcha pass - coordinate, dist^2 ~a [~a]~n" dist (get-ip req)))
+               (header #"Set-Cookie" (cookie->set-cookie-header (make-cookie "captcha" "coordinate" #:path "/" #:max-age (* 60 60 24 365 10))))]
+              [else
+               (when (config-true? 'captcha::log)
+                 (printf "captcha pass - coordinate, dist^2 ~a [~a]~n" dist (get-ip req)))]))))))
+   (match (dict-ref (url-query (request-uri req)) 'from #f)
+     [(? string? dest)
+      (response/output
+       #:code 302
+       #:mime-type #"text/plain"
+       #:headers (cons (header #"Location" (string->bytes/utf-8 dest)) headers)
+       (λ (out)
+         (displayln "Checking your answer..." out)))]
+     [#f (next-dispatcher)])))

src/page-category.rkt

@@ -1,8 +1,5 @@
 #lang racket/base
-(require racket/dict
-         racket/list
-         racket/match
-         racket/string
+(require racket/string
          (prefix-in easy: net/http-easy)
          ; html libs
          html-parsing
@@ -11,14 +8,9 @@
          net/url
          web-server/http
          (only-in web-server/dispatchers/dispatch next-dispatcher)
-         #;(only-in web-server/http/redirect redirect-to)
          "application-globals.rkt"
-         "config.rkt"
-         "data.rkt"
-         "fandom-request.rkt"
-         "page-wiki.rkt"
-         "../lib/syntax.rkt"
-         "../lib/thread-utils.rkt"
+         "endpoints.rkt"
+         "../lib/tree-updater.rkt"
          "../lib/url-utils.rkt"
          "../lib/xexpr-utils.rkt")
 
@@ -63,47 +55,47 @@
                         ,title)))
                  members))))))
 
-(define (page-category req)
-  (response-handler
-   (define wikiname (path/param-path (first (url-path (request-uri req)))))
-   (define prefixed-category (string-join (map path/param-path (cddr (url-path (request-uri req)))) "/"))
-   (define origin (format "https://~a.fandom.com" wikiname))
-   (define source-url (format "~a/wiki/~a" origin prefixed-category))
 
-   (define-values (members-data page-data siteinfo)
-     (thread-values
-      (λ ()
-        (easy:response-json
-         (fandom-get-api
-          wikiname
-          `(("action" . "query")
-            ("list" . "categorymembers")
-            ("cmtitle" . ,prefixed-category)
-            ("cmlimit" . "max")
-            ("formatversion" . "2")
-            ("format" . "json")))))
-      (λ ()
-        (easy:response-json
-         (fandom-get-api
-          wikiname
-          `(("action" . "parse")
-            ("page" . ,prefixed-category)
-            ("prop" . "text|headhtml|langlinks")
-            ("formatversion" . "2")
-            ("format" . "json")))))
-      (λ ()
-        (siteinfo-fetch wikiname))))
-
-   (define title (preprocess-html-wiki (jp "/parse/title" page-data prefixed-category)))
-   (define page-html (preprocess-html-wiki (jp "/parse/text" page-data "")))
+(define-endpoint
+  category-endpoint
+  [variables
+    (define wikiname (path/param-path (car (url-path (request-uri req)))))
+    (define prefixed-category (string-join (map path/param-path (cddr (url-path (request-uri req)))) "/"))
+    (define segments (map path/param-path (cdr (url-path (request-uri req)))))
+    (define title (url-segments->guess-title segments))
+    (define path (string-join (cdr segments) "/"))
+    (define origin (format "https://~a.fandom.com" wikiname))
+    (define source-url (format "~a/wiki/~a" origin prefixed-category))]
+  [endpoints
+   (membersdata
+    (("action" . "query")
+      ("list" . "categorymembers")
+      ("cmtitle" . ,prefixed-category)
+      ("cmlimit" . "max")
+      ("formatversion" . "2")
+      ("format" . "json")))
+   (pagedata
+    (("action" . "parse")
+      ("page" . ,prefixed-category)
+      ("prop" . "text|headhtml|langlinks")
+      ("formatversion" . "2")
+      ("format" . "json")))
+   (siteinfo
+    (("action" . "query")
+      ("meta" . "siteinfo")
+      ("siprop" . "general|rightsinfo")
+      ("format" . "json")
+      ("formatversion" . "2")))]
+  [render
+   (define page-html (preprocess-html-wiki (jp "/parse/text" pagedata "")))
    (define page (html->xexp page-html))
-   (define head-data ((head-data-getter wikiname) page-data))
+   (define head-data ((head-data-getter wikiname) pagedata))
    (define body (generate-results-page
                  #:req req
                  #:source-url source-url
                  #:wikiname wikiname
-                 #:title title
-                 #:members-data members-data
+                 #:title (preprocess-html-wiki (jp "/parse/title" pagedata prefixed-category))
+                 #:members-data membersdata
                  #:page page
                  #:head-data head-data
                  #:siteinfo siteinfo))
@@ -116,7 +108,22 @@
     #:code 200
     #:headers (build-headers always-headers)
     (λ (out)
-      (write-html body out)))))
+      (write-html body out)))])
+
+(define-standard-handler (page-category-standard req)
+  #'category-endpoint)
+
+(define-jsonp-handler (page-category-jsonp req)
+  #'category-endpoint)
+
+(define-post-data-handler (page-category-with-data req)
+  #'category-endpoint
+  (define prefixed-category path))
+
+(define page-category (make-switch-handler #:standard page-category-standard
+                                           #:jsonp page-category-jsonp
+                                           #:post page-category-with-data))
+
 (module+ test
   (check-not-false ((query-selector (attribute-selector 'href "/test/wiki/Ankle_Monitor")
                                     (generate-results-page

src/page-file.rkt

@@ -1,9 +1,6 @@
 #lang racket/base
-(require racket/dict
-         racket/list
-         racket/match
+(require racket/list
          racket/string
-         (prefix-in easy: net/http-easy)
          ; html libs
          html-parsing
          html-writing
@@ -11,97 +8,189 @@
          net/url
          web-server/http
          (only-in web-server/dispatchers/dispatch next-dispatcher)
-         #;(only-in web-server/http/redirect redirect-to)
          "application-globals.rkt"
-         "config.rkt"
-         "data.rkt"
-         "fandom-request.rkt"
-         "page-wiki.rkt"
-         "../lib/syntax.rkt"
-         "../lib/thread-utils.rkt"
+         "endpoints.rkt"
+         "../lib/tree-updater.rkt"
          "../lib/url-utils.rkt"
-         "../lib/xexpr-utils.rkt")
+         "../lib/xexpr-utils.rkt"
+         "../lib/make-json.rkt")
 
 (provide page-file)
 
 (module+ test
   (require rackunit
-           "test-utils.rkt")
-  (define test-media-detail
-    '#hasheq((fileTitle . "Example file")
-             (videoEmbedCode . "")
-             (imageUrl . "https://static.wikia.nocookie.net/examplefile")
-             (rawImageUrl . "https://static.wikia.nocookie.net/examplefile")
-             (userName . "blankie")
-             (isPostedIn . #t)
-             (smallerArticleList . (#hasheq((titleText . "Test:Example article"))))
-             (articleListIsSmaller . 0)
-             (exists . #t)
-             (imageDescription . #f))))
+           "test-utils.rkt"
+           "../lib/make-json.rkt")
+  (define test-wikipage
+    (make-json
+     '(: parse
+         (: title "File:Sailor Cinnamoroll.jpg"
+            pageid 4448
+            revid 13121
+            text
+            (: * "<div class=\"mw-content-ltr mw-parser-output\" lang=\"en\" dir=\"ltr\">\n<!-- \nNewPP limit report\nCached time: 20251122101032\nCache expiry: 1209600\nReduced expiry: false\nComplications: []\nCPU time usage: 0.001 seconds\nReal time usage: 0.001 seconds\nPreprocessor visited node count: 0/1000000\nPost\u2010expand include size: 0/2097152 bytes\nTemplate argument size: 0/2097152 bytes\nHighest expansion depth: 0/100\nExpensive parser function count: 0/100\nUnstrip recursion depth: 0/20\nUnstrip post\u2010expand size: 0/5000000 bytes\n-->\n<!--\nTransclusion expansion time report (%,ms,calls,template)\n100.00%    0.000      1 -total\n-->\n\n<!-- Saved in parser cache with key 1.43.1_prod_squishmallowsquad:pcache:idhash:4448-0!sseVary=RegularPage!FandomDesktop!LegacyGalleries and timestamp 20251122101032 and revision id 13121. Rendering was triggered because: api-parse\n -->\n</div>")
+            langlinks ()
+            categories ()
+            links ()
+            templates ()
+            images ()
+            externallinks ()
+            sections ()
+            parsewarnings ()
+            displaytitle "<span class=\"mw-page-title-namespace\">File</span><span class=\"mw-page-title-separator\">:</span><span class=\"mw-page-title-main\">Sailor Cinnamoroll.jpg</span>"
+            iwlinks ()
+            properties ()))))
+  (define test-imageinfo-outer
+    (make-json
+     `(: continue
+         (: iistart "2022-01-23T03:44:17Z"
+            fucontinue "455"
+            continue "||")
+         query
+         (: pages
+            ((: pageid 198
+                ns 6
+                title "File:Rainbow Flag1.svg"
+                imageinfo
+                ((: timestamp "2025-03-10T07:24:50Z"
+                    user "DogeMcMeow"
+                    url "https://static.wikia.nocookie.net/lgbtqia-sandbox/images/f/f8/Rainbow_Flag1.svg/revision/latest?cb=20250310072450"
+                    descriptionurl "https://lgbtqia.fandom.com/wiki/File:Rainbow_Flag1.svg"
+                    descriptionshorturl "https://lgbtqia.fandom.com/index.php?curid=198"
+                    mime "image/svg+xml"
+                    mediatype "DRAWING"))
+                fileusage
+                ((: pageid 191
+                    ns 0
+                    title "Gay")
+                 (: pageid 215
+                    ns 0
+                    title "LGBTQIA+")))))))))
 
-(define (url-content-type url)
-  (define dest-res (easy:head url))
-  (easy:response-headers-ref dest-res 'content-type))
+;; https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/refs/heads/REL1_44/includes/libs/mime/defines.php
+;; (define possible-mediatypes '("UNKNOWN" "BITMAP" "DRAWING" "AUDIO" "VIDEO" "MULTIMEDIA" "OFFICE" "TEXT" "EXECUTABLE" "ARCHIVE" "3D"))
 
-(define (get-media-html url content-type)
+(define (get-media-html url imageinfo-inner)
   (define maybe-proxied-url (if (config-true? 'strict_proxy) (u-proxy-url url) url))
-  (cond
-    [(eq? content-type #f) `""]
-    [(regexp-match? #rx"(?i:^image/)" content-type) `(img (@ (src ,maybe-proxied-url)))]
-    [(regexp-match? #rx"(?i:^audio/|^application/ogg(;|$))" content-type)
-     `(audio (@ (src ,maybe-proxied-url) (controls)))]
-    [(regexp-match? #rx"(?i:^video/)" content-type) `(video (@ (src ,maybe-proxied-url) (controls)))]
-    [else `""]))
+  (define mediatype (jp "/mediatype" imageinfo-inner #f))
+  (case mediatype
+    [("BITMAP" "DRAWING")
+     (match imageinfo-inner
+       [(hash* ['width width] ['height height])
+        `(img (@ (src ,maybe-proxied-url) (width ,(~a width)) (height ,(~a height))))]
+       [else
+        `(img (@ (src ,maybe-proxied-url)))])]
+    [("AUDIO") `(audio (@ (src ,maybe-proxied-url) (controls)))]
+    [("VIDEO") `(video (@ (src ,maybe-proxied-url) (controls)))]
+    [else ""]))
 
 (define (generate-results-page #:req req
                                #:source-url source-url
                                #:wikiname wikiname
                                #:title title
-                               #:media-detail media-detail
-                               #:image-content-type image-content-type
+                               #:wikipage wikipage
+                               #:imageinfo imageinfo-outer
                                #:siteinfo [siteinfo #f])
-  (define video-embed-code (jp "/videoEmbedCode" media-detail ""))
-  (define raw-image-url (jp "/rawImageUrl" media-detail))
-  (define image-url (jp "/imageUrl" media-detail raw-image-url))
-  (define username (jp "/userName" media-detail))
-  (define is-posted-in (jp "/isPostedIn" media-detail #f))
-  (define smaller-article-list (jp "/smallerArticleList" media-detail))
-  (define article-list-is-smaller (jp "/articleListIsSmaller" media-detail))
-  (define image-description (jp "/imageDescription" media-detail #f))
-  (define maybe-proxied-raw-image-url
-    (if (config-true? 'strict_proxy) (u-proxy-url raw-image-url) raw-image-url))
+  (define imageinfo-inner (jp "/query/pages/0" imageinfo-outer))
+  (define fileusage-continues? (jp "/continue/fucontinue" imageinfo-outer #f))
+  (define fileusage-titles (for/list ([page (jp "/fileusage" imageinfo-inner)]) (jp "/title" page)))
+  (define image-url (jp "/imageinfo/0/url" imageinfo-inner))
+  (define username (jp "/imageinfo/0/user" imageinfo-inner))
+  (define maybe-proxied-image-url
+    (if (config-true? 'strict_proxy) (u-proxy-url image-url) image-url))
   (generate-wiki-page
    #:req req
    #:source-url source-url
    #:wikiname wikiname
    #:title title
    #:siteinfo siteinfo
-   `(div ,(if (non-empty-string? video-embed-code)
-              (update-tree-wiki (html->xexp (preprocess-html-wiki video-embed-code)) wikiname)
-              (get-media-html image-url image-content-type))
-         (p ,(if (non-empty-string? video-embed-code)
-                 `""
-                 `(span (a (@ (href ,maybe-proxied-raw-image-url)) "View original file") ". "))
-            "Uploaded by "
+   `(div ,(get-media-html maybe-proxied-image-url (jp "/imageinfo/0" imageinfo-inner))
+         (p (a (@ (href ,maybe-proxied-image-url)) "Download original file"))
+         ,(if (pair? (jp "/parse/sections" wikipage))
+              (update-tree-wiki (html->xexp (preprocess-html-wiki (jp "/parse/text" wikipage ""))) wikiname)
+              ; file license info wasn't displayed in the description (example: /lgbtqia/wiki/File:Rainbow_Flag1.svg)
+              `(p "This file may be copyrighted. Consider licensing and fair use law before reusing it."))
+         (p "Uploaded by "
             (a (@ (href ,(format "/~a/wiki/User:~a" wikiname username))) ,username)
             ".")
-         ,(if (string? image-description)
-              (update-tree-wiki (html->xexp (preprocess-html-wiki image-description)) wikiname)
-              ; file license info might be displayed in the description, example: /lgbtqia/wiki/File:Rainbow_Flag1.svg
-              `(p "This file is likely protected by copyright. Consider the file's license and fair use law before reusing it."))
-         ,(if is-posted-in
+         ,(if (pair? fileusage-titles)
               `(p "This file is used in "
-                  ,@(map (λ (article)
-                           (define title (jp "/titleText" article))
-                           (define page-path (regexp-replace* #rx" " title "_"))
-                           `(span ,(if (eq? (car smaller-article-list) article) "" ", ")
-                                  (a (@ (href ,(format "/~a/wiki/~a" wikiname page-path)))
-                                     ,title)))
-                         smaller-article-list)
-                  ,(if (eq? article-list-is-smaller 1) "…" "."))
+                  ,@(add-between
+                     (for/list ([title fileusage-titles]
+                                [i (in-naturals)])
+                       (define page-path (regexp-replace* #rx" " title "_"))
+                       `(a (@ (href ,(format "/~a/wiki/~a" wikiname page-path)))
+                           ,title))
+                     ", ")
+                  ,(if fileusage-continues? "…" "."))
               `""))))
 
-(define (page-file req)
+(define-endpoint
+  file-endpoint
+  [variables
+   (define wikiname (path/param-path (first (url-path (request-uri req)))))
+   (define prefixed-file (path/param-path (caddr (url-path (request-uri req)))))
+   (define segments (map path/param-path (cdr (url-path (request-uri req)))))
+   (define title (url-segments->guess-title segments))
+   (define path (string-join (cdr segments) "/"))
+   (define source-url (format "https://~a.fandom.com/wiki/~a" wikiname prefixed-file))]
+  [endpoints
+   (wikipage
+    (("action" . "parse")
+     ("page" . ,prefixed-file)
+     ("prop" . "text|headhtml|langlinks|sections")
+     ("formatversion" . "2")
+     ("format" . "json")))
+   (siteinfo
+    (("action" . "query")
+     ("meta" . "siteinfo")
+     ("siprop" . "general|rightsinfo")
+     ("format" . "json")
+     ("formatversion" . "2")))
+   (imageinfo
+    (("action" . "query")
+     ("titles" . ,prefixed-file)
+     ("prop" . "imageinfo|fileusage")
+     ("iiprop" . "timestamp|user|canonicaltitle|url|size|mime|mediatype")
+     ("iilocalonly" . "true")
+     ("format" . "json")
+     ("formatversion" . "2")))]
+  [render
+   (response-handler
+    (define title (jp "/parse/title" wikipage prefixed-file))
+    (define body
+      (generate-results-page #:req req
+                             #:source-url source-url
+                             #:wikiname wikiname
+                             #:title title
+                             #:wikipage wikipage
+                             #:imageinfo imageinfo
+                             #:siteinfo siteinfo))
+    (when (config-true? 'debug)
+      ; used for its side effects
+      ; convert to string with error checking, error will be raised if xexp is invalid
+      (xexp->html body))
+    (response/output #:code 200
+                     #:headers (build-headers always-headers)
+                     (λ (out) (write-html body out))))])
+
+(define-standard-handler (page-file-standard req)
+  #'file-endpoint
+  (when (equal? "missingtitle" (jp "/error/code" wikipage #f))
+    (next-dispatcher)))
+
+(define-jsonp-handler (page-file-jsonp req)
+  #'file-endpoint)
+
+(define-post-data-handler (page-file-with-data req)
+  #'file-endpoint
+  (define prefixed-file path))
+
+(define page-file (make-switch-handler #:standard page-file-standard
+                                       #:jsonp page-file-jsonp
+                                       #:post page-file-with-data))
+
+#;(define (page-file req)
   (response-handler
    (define wikiname (path/param-path (first (url-path (request-uri req)))))
    (define prefixed-title (path/param-path (caddr (url-path (request-uri req)))))
@@ -147,28 +236,28 @@
                          (λ (out) (write-html body out)))))))
 (module+ test
   (parameterize ([(config-parameter 'strict_proxy) "true"])
-    (check-equal? (get-media-html "https://static.wikia.nocookie.net/a" "image/jpeg")
+    (check-equal? (get-media-html "https://static.wikia.nocookie.net/a" (make-json '(: mediatype "BITMAP")))
                   `(img (@ (src "/proxy?dest=https%3A%2F%2Fstatic.wikia.nocookie.net%2Fa"))))
-    (check-equal? (get-media-html "https://static.wikia.nocookie.net/b" "audio/mp3")
+    (check-equal? (get-media-html "https://static.wikia.nocookie.net/b" (make-json '(: mediatype "AUDIO")))
                   `(audio (@ (src "/proxy?dest=https%3A%2F%2Fstatic.wikia.nocookie.net%2Fb")
                              (controls)))))
   (parameterize ([(config-parameter 'strict_proxy) "false"])
-    (check-equal? (get-media-html "https://static.wikia.nocookie.net/c" "application/ogg")
+    (check-equal? (get-media-html "https://static.wikia.nocookie.net/c" (make-json '(: mediatype "AUDIO")))
                   `(audio (@ (src "https://static.wikia.nocookie.net/c")
                              (controls))))
-    (check-equal? (get-media-html "https://static.wikia.nocookie.net/d" "video/mp4")
+    (check-equal? (get-media-html "https://static.wikia.nocookie.net/d" (make-json '(: mediatype "VIDEO")))
                   `(video (@ (src "https://static.wikia.nocookie.net/d")
                              (controls)))))
-  (check-equal? (get-media-html "https://example.com" "who knows") `"")
-  (check-equal? (get-media-html "https://example.com" #f) `""))
+  (check-equal? (get-media-html "https://example.com" "who knows") "")
+  (check-equal? (get-media-html "https://example.com" #f) ""))
 (module+ test
   (parameterize ([(config-parameter 'strict_proxy) "true"])
     (check-not-false
      ((query-selector
-       (attribute-selector 'src "/proxy?dest=https%3A%2F%2Fstatic.wikia.nocookie.net%2Fexamplefile")
+       (attribute-selector 'src "/proxy?dest=https%3A%2F%2Fstatic.wikia.nocookie.net%2Flgbtqia-sandbox%2Fimages%2Ff%2Ff8%2FRainbow_Flag1.svg%2Frevision%2Flatest%3Fcb%3D20250310072450")
        (generate-results-page #:req test-req
                               #:source-url ""
                               #:wikiname "test"
                               #:title "File:Example file"
-                              #:media-detail test-media-detail
-                              #:image-content-type "image/jpeg"))))))
+                              #:wikipage test-wikipage
+                              #:imageinfo test-imageinfo-outer))))))

src/page-search.rkt

@@ -23,8 +23,7 @@
  page-search)
 
 (define search-providers
-  (hash "fandom" search-fandom
-        "solr" search-solr))
+  (hash "solr" search-solr))
 
 ;; this takes the info we gathered from fandom and makes the big fat x-expression page
 (define (generate-results-page req source-url wikiname query results-content #:siteinfo [siteinfo #f])
@@ -40,7 +39,7 @@
    results-content))
 
 ;; will be called when the web browser asks to load the page
-(define (page-search req)
+(define (page-search-solr req)
   ;; this just means, catch any errors and display them in the browser. it's a function somewhere else
   (response-handler
    ;; the URL will look like "/minecraft/wiki/Special:Search?q=Spawner"
@@ -84,3 +83,9 @@
     (λ (out)
       (write-html body out)))))
 
+
+
+(define (page-search req)
+  (if (equal? (config-get 'feature_offline::search) "fandom")
+      (page-search-fandom req)
+      (page-search-solr req)))

src/page-wiki.rkt

@@ -1,11 +1,6 @@
 #lang racket/base
 (require racket/dict
-         racket/function
-         racket/list
-         racket/match
          racket/string
-         ; libs
-         (prefix-in easy: net/http-easy)
          ; html libs
          "../lib/html-parsing/main.rkt"
          html-writing
@@ -15,30 +10,125 @@
          web-server/dispatchers/dispatch
          ; my libs
          "application-globals.rkt"
-         "config.rkt"
-         "data.rkt"
-         "fandom-request.rkt"
-         "../lib/pure-utils.rkt"
-         "../lib/syntax.rkt"
-         "../lib/thread-utils.rkt"
+         "endpoints.rkt"
          "../lib/tree-updater.rkt"
          "../lib/url-utils.rkt"
          "../lib/xexpr-utils.rkt")
+(require (for-syntax racket/base syntax/parse))
 
 (provide
- ; used by the web server
- page-wiki
- ; used by page-category, and similar pages that are partially wiki pages
- update-tree-wiki
- preprocess-html-wiki)
+ page-wiki)
 
-(module+ test
-  (require rackunit))
+(define-endpoint
+  wiki-endpoint
+  [variables
+   (define wikiname (path/param-path (car (url-path (request-uri req)))))
+   (define segments (map path/param-path (cdr (url-path (request-uri req)))))
+   (define title (url-segments->guess-title segments))
+   (define path (string-join (cdr segments) "/"))
+   (define source-url (format "https://~a.fandom.com/wiki/~a" wikiname path))]
+  [endpoints
+   (wikipage (("action" . "parse")
+              ("page" . ,path)
+              ("prop" . "text|headhtml|langlinks")
+              ("formatversion" . "2")
+              ("format" . "json")))
+   (siteinfo (("action" . "query")
+              ("meta" . "siteinfo")
+              ("siprop" . "general|rightsinfo")
+              ("format" . "json")
+              ("formatversion" . "2")))]
+  [render
+   (define page-html (preprocess-html-wiki (jp "/parse/text" wikipage "")))
+   (define page (html->xexp page-html))
+   (define head-data ((head-data-getter wikiname) wikipage))
+   (define body
+     (generate-wiki-page
+      (update-tree-wiki page wikiname)
+      #:req req
+      #:source-url source-url
+      #:wikiname wikiname
+      #:title (jp "/parse/title" wikipage "")
+      #:head-data head-data
+      #:siteinfo siteinfo))
+   (define redirect-query-parameter (dict-ref (url-query (request-uri req)) 'redirect "yes"))
+   (define redirect-msg ((query-selector (attribute-selector 'class "redirectMsg") body)))
+   (define redirect-msg-a (if redirect-msg
+                              ((query-selector (λ (t a c) (eq? t 'a)) redirect-msg))
+                              #f))
+   (define html (xexp->html-bytes body))
+   (define headers
+     (build-headers
+      always-headers
+      ; redirect-query-parameter: only the string "no" is significant:
+      ; https://github.com/Wikia/app/blob/fe60579a53f16816d65dad1644363160a63206a6/includes/Wiki.php#L367
+      (when (and redirect-msg-a
+                 (not (equal? redirect-query-parameter "no")))
+        (let* ([dest (get-attribute 'href (bits->attributes redirect-msg-a))]
+               [value (bytes-append #"0;url=" (string->bytes/utf-8 dest))])
+          (header #"Refresh" value)))))
+   (response/full
+    200
+    #"OK"
+    (current-seconds)
+    #"text/html; charset=utf-8"
+    headers
+    (list html))])
 
-(define (page-wiki req)
+(define-standard-handler (page-wiki-standard req)
+  #'wiki-endpoint
+  (when (equal? "missingtitle" (jp "/error/code" wikipage #f))
+    (next-dispatcher)))
+
+(define-jsonp-handler (page-wiki-jsonp req)
+  #'wiki-endpoint)
+
+(define-post-data-handler (page-wiki-with-data req)
+  #'wiki-endpoint)
+
+(define page-wiki (make-switch-handler #:standard page-wiki-standard
+                                       #:jsonp page-wiki-jsonp
+                                       #:post page-wiki-with-data))
+
+#;(define (page-wiki-with-data req)
+  (response-handler
+   (let/cc return
+     (define post-data/bytes (request-post-data/raw req))
+     (when (not post-data/bytes)
+       (k (response/jsexpr
+           #:code 400
+           #:headers always-headers
+           '#hasheq((error .
+                           #hasheq((code . "breezewiki")
+                                   (info . "POST requests only, please.")))))))
+
+     (define origin-header
+       (or (headers-assq* #"origin" (request-headers/raw req))
+           (headers-assq* #"referer" (request-headers/raw req))))
+     (when (or (not origin-header) (not (string-prefix? (bytes->string/latin-1 (header-value origin-header)) (config-get 'canonical_origin))))
+       (k (response/jsexpr
+           #:code 400
+           #:headers always-headers
+           '#hasheq((error .
+                           #hasheq((code . "breezewiki")
+                                   (info . "Origin/Referer header failed validation - cross-origin requests are not allowed here")))))))
+
+     (define post-data/string (bytes->string/utf-8 post-data/bytes))
+     (define post-data (string->jsexpr post-data/string))
+     (define wikiname (jp "/wikiname" post-data))
+     (define path (jp "/path" post-data))
+     (take-json-rewrite-and-return-page
+      #:req req
+      #:wikiname wikiname
+      #:source-url (format "https://~a.fandom.com/wiki/~a" wikiname path)
+      #:data (jp "/data" post-data)
+      #:siteinfo (data->siteinfo (jp "/siteinfo" post-data))))))
+
+#;(define (page-wiki req)
   (define wikiname (path/param-path (first (url-path (request-uri req)))))
+  (define segments (map path/param-path (cdr (url-path (request-uri req)))))
   (define user-cookies (user-cookies-getter req))
-  (define path (string-join (map path/param-path (cddr (url-path (request-uri req)))) "/"))
+  (define path (string-join (cdr segments) "/"))
   (define source-url (format "https://~a.fandom.com/wiki/~a" wikiname path))
 
   (define-values (dest-res siteinfo)
@@ -57,54 +147,39 @@
 
   (cond
     [(eq? 200 (easy:response-status-code dest-res))
-     (let* ([data (easy:response-json dest-res)]
-            [title (jp "/parse/title" data "")]
-            [page-html (jp "/parse/text" data "")]
-            [page-html (preprocess-html-wiki page-html)]
-            [page (html->xexp page-html)]
-            [head-data ((head-data-getter wikiname) data)])
+     (let ([data (easy:response-json dest-res)])
        (if (equal? "missingtitle" (jp "/error/code" data #f))
            (next-dispatcher)
-           (response-handler
-            (define body
-              (generate-wiki-page
-               (update-tree-wiki page wikiname)
-               #:req req
-               #:source-url source-url
-               #:wikiname wikiname
-               #:title title
-               #:head-data head-data
-               #:siteinfo siteinfo))
-            (define redirect-query-parameter (dict-ref (url-query (request-uri req)) 'redirect "yes"))
-            (define redirect-msg ((query-selector (attribute-selector 'class "redirectMsg") body)))
-            (define redirect-msg-a (if redirect-msg
-                                       ((query-selector (λ (t a c) (eq? t 'a)) redirect-msg))
-                                       #f))
-            (define headers
-              (build-headers
-               always-headers
-               ; redirect-query-parameter: only the string "no" is significant:
-               ; https://github.com/Wikia/app/blob/fe60579a53f16816d65dad1644363160a63206a6/includes/Wiki.php#L367
-               (when (and redirect-msg-a
-                          (not (equal? redirect-query-parameter "no")))
-                 (let* ([dest (get-attribute 'href (bits->attributes redirect-msg-a))]
-                        [value (bytes-append #"0;url=" (string->bytes/utf-8 dest))])
-                   (header #"Refresh" value)))))
-            (when (config-true? 'debug)
-              ; used for its side effects
-              ; convert to string with error checking, error will be raised if xexp is invalid
-              (xexp->html body))
-            (response/output
-             #:code 200
-             #:headers headers
-             (λ (out)
-               (write-html body out))))))]
+           (take-json-rewrite-and-return-page data)))]
     [(eq? 404 (easy:response-status-code dest-res))
      (next-dispatcher)]
+    [(memq (easy:response-status-code dest-res) '(403 406))
+     (response-handler
+      (define body
+        (generate-wiki-page
+         `(div
+           (p "Sorry! Fandom isn't allowing BreezeWiki to show pages right now.")
+           (p "We'll automatically try again in 30 seconds, so please stay on this page and be patient.")
+           (p (small "In a hurry? " (a (@ (href ,source-url)) "Click here to read the page on Fandom."))))
+         #:req req
+         #:source-url source-url
+         #:wikiname wikiname
+         #:title (url-segments->guess-title segments)
+         #:siteinfo siteinfo))
+      (response/output
+       #:code 503
+       #:headers (build-headers
+                  always-headers
+                  (header #"Retry-After" #"30")
+                  (header #"Cache-Control" #"max-age=30, public")
+                  (header #"Refresh" #"35"))
+       (λ (out)
+         (write-html body out))))]
     [else
      (response-handler
-      (error 'page-wiki "Tried to load page ~a/~v~nSadly, the page didn't load because Fandom returned status code ~a with response:~n~a"
+      (error 'page-wiki "Tried to load page ~a/~a~nSadly, the page didn't load because Fandom returned status code ~a with response:~n~a"
              wikiname
              path
              (easy:response-status-code dest-res)
              (easy:response-body dest-res)))]))
+

src/search-provider-fandom.rkt

@@ -1,59 +1,95 @@
 #lang racket/base
-(require racket/string
+(require racket/dict
+         racket/string
          (prefix-in easy: net/http-easy)
+         net/url
+         web-server/http
+         html-writing
          "application-globals.rkt"
          "config.rkt"
+         "endpoints.rkt"
          "fandom-request.rkt"
          "../lib/url-utils.rkt"
          "../lib/xexpr-utils.rkt")
 
 (provide
- search-fandom)
+ page-search-fandom)
 
-(module+ test
-  (require rackunit
-           "test-utils.rkt")
-  (define search-results-data
-    '(#hasheq((ns . 0) (pageid . 219) (size . 1482) (snippet . "") (timestamp . "2022-08-21T08:54:23Z") (title . "Gacha Capsule") (wordcount . 214)) #hasheq((ns . 0) (pageid . 201) (size . 1198) (snippet . "") (timestamp . "2022-07-11T17:52:47Z") (title . "Badges") (wordcount . 181)))))
+(define-endpoint
+  search-endpoint
+  [variables
+   (define wikiname (path/param-path (car (url-path (request-uri req)))))
+   (define params (url-query (request-uri req)))
+   (define query (dict-ref params 'q #f))
+   (define title "Search")
+   (define path (format "Special:Search?~a" (params->query `(("query" . ,query)
+                                                             ("search" . "internal")))))
+   (define source-url (format "https://~a.fandom.com/wiki/~a" wikiname path))]
+  [endpoints
+   (search
+    (("action" . "query")
+     ("list" . "search")
+     ("srsearch" . ,query)
+     ("formatversion" . "2")
+     ("format" . "json")))
+   (siteinfo
+    (("action" . "query")
+     ("meta" . "siteinfo")
+     ("siprop" . "general|rightsinfo")
+     ("format" . "json")
+     ("formatversion" . "2")))]
+  [render
+   (define search-results (jp "/query/search" search))
+   (define body
+     (generate-wiki-page
+      #:req req
+      #:source-url source-url
+      #:wikiname wikiname
+      #:title query
+      #:siteinfo siteinfo
+      `(div (@ (class "mw-parser-output"))
+            ;; header before the search results showing how many we found
+            (p ,(format "~a results found for " (length search-results))
+               (strong ,query))
+            ;; *u*nordered *l*ist of matching search results
+            (ul ,@(for/list ([result search-results])
+                    (let* ([title (jp "/title" result)]
+                           [page-path (page-title->path title)]
+                           [timestamp (jp "/timestamp" result)]
+                           [wordcount (jp "/wordcount" result)]
+                           [size (jp "/size" result)])
+                      ;; and make this x-expression...
+                      `(li (@ (class "my-result"))
+                           (a (@ (class "my-result__link") (href ,(format "/~a/wiki/~a" wikiname page-path))) ; using unquote to insert the result page URL
+                              ,title) ; using unquote to insert the result page title
+                           (div (@ (class "my-result__info")) ; constructing the line under the search result
+                                "last edited "
+                                (time (@ (datetime ,timestamp)) ,(list-ref (string-split timestamp "T") 0))
+                                ,(format ", ~a words, ~a kb"
+                                         wordcount
+                                         (exact->inexact (/ (round (/ size 100)) 10)))))))))))
+   (when (config-true? 'debug)
+     (xexp->html body))
+   (response/output
+    #:code 200
+    #:headers (build-headers always-headers)
+    (λ (out)
+      (write-html body out)))])
 
-(define (search-fandom wikiname query params)
-  (define res
-    (fandom-get-api
-     wikiname
-     `(("action" . "query")
-       ("list" . "search")
-       ("srsearch" . ,query)
-       ("formatversion" . "2")
-       ("format" . "json"))))
-  (define json (easy:response-json res))
-  (define search-results (jp "/query/search" json))
-  (generate-results-content-fandom wikiname query search-results))
 
-;;; generate content for display in the wiki page layout
-(define (generate-results-content-fandom wikiname query search-results)
-  `(div (@ (class "mw-parser-output"))
-        ;; header before the search results showing how many we found
-        (p ,(format "~a results found for " (length search-results))
-           (strong ,query))
-        ;; *u*nordered *l*ist of matching search results
-        (ul ,@(for/list ([result search-results])
-                (let* ([title (jp "/title" result)]
-                       [page-path (page-title->path title)]
-                       [timestamp (jp "/timestamp" result)]
-                       [wordcount (jp "/wordcount" result)]
-                       [size (jp "/size" result)])
-                  ;; and make this x-expression...
-                  `(li (@ (class "my-result"))
-                       (a (@ (class "my-result__link") (href ,(format "/~a/wiki/~a" wikiname page-path))) ; using unquote to insert the result page URL
-                          ,title) ; using unquote to insert the result page title
-                       (div (@ (class "my-result__info")) ; constructing the line under the search result
-                            "last edited "
-                            (time (@ (datetime ,timestamp)) ,(list-ref (string-split timestamp "T") 0))
-                            ,(format ", ~a words, ~a kb"
-                                     wordcount
-                                     (exact->inexact (/ (round (/ size 100)) 10))))))))))
+(define-standard-handler (page-search-standard req)
+  #'search-endpoint)
 
-(module+ test
-  (parameterize ([(config-parameter 'feature_offline::only) "false"])
-    (check-not-false ((query-selector (attribute-selector 'href "/test/wiki/Gacha_Capsule")
-                                      (generate-results-content-fandom "test" "Gacha" search-results-data))))))
+(define-jsonp-handler (page-search-jsonp req)
+  #'search-endpoint)
+
+(define-post-data-handler (page-search-with-data req)
+  #'search-endpoint
+  (define params (url-query (request-uri req)))
+  (define query (dict-ref params 'q #f))
+  (define title "Search"))
+
+(define page-search-fandom
+  (make-switch-handler #:standard page-search-standard
+                       #:jsonp page-search-jsonp
+                       #:post page-search-with-data))

src/static-data.rkt

@@ -1,16 +1,20 @@
 #lang typed/racket/base
 (require racket/path
          racket/runtime-path
-         racket/string)
+         racket/string
+         typed/json)
 
 (provide
  get-static-url
+ importmap
  link-header)
 
 (define-runtime-path path-static "../static")
 
 (define static-data
-  (for/hash : (Immutable-HashTable Path Nonnegative-Integer)([f (directory-list path-static)])
+  (for/hash : (Immutable-HashTable Path Nonnegative-Integer)
+            ([f (directory-list path-static)]
+             #:when (not (regexp-match? #rx"^.#|^#|~$" (path->string f))))
     (define built (simple-form-path (build-path path-static f)))
     (values built (file-or-directory-modify-seconds built))))
 
@@ -21,12 +25,21 @@
                                          (build-path path-static path-or-filename))))
   (format "/static/~a?t=~a" (file-name-from-path the-path) (hash-ref static-data the-path)))
 
+(: importmap String)
+(define importmap
+  (jsexpr->string
+   `#hasheq((imports . ,(for/hasheq : (Immutable-HashTable Symbol String)
+                                    ([(k v) (in-hash static-data)]
+                                     #:when (equal? (path-get-extension k) #".js"))
+                          (values (string->symbol (path->string (path-replace-extension (assert (file-name-from-path k) path?) #"")))
+                                  (get-static-url k)))))))
+
 ; https://developer.mozilla.org/en-US/docs/Web/HTML/Link_types/preload
 (: link-header String)
 (define link-header
-  (let* ([with-t '(("main.css" "as=style"))]
-         [without-t '(("preact.js" "as=script")
-                      ("source-sans-pro-v21-vietnamese_latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff2" "as=font" "crossorigin" "type=font/woff2"))]
+  (let* ([with-t '(("main.css" "as=style")
+                   ("preact.js" "as=script"))]
+         [without-t '(("source-sans-pro-v21-vietnamese_latin-ext_latin_greek-ext_greek_cyrillic-ext_cyrillic-regular.woff2" "as=font" "crossorigin" "type=font/woff2"))]
          [with-t-full (map (λ ([path : (Listof String)]) (cons (get-static-url (car path)) (cdr path))) with-t)]
          [without-t-full (map (λ ([path : (Listof String)]) (cons (format "/static/~a" (car path)) (cdr path))) without-t)]
          [all (append with-t-full without-t-full)]

static/captcha.js

@@ -0,0 +1,24 @@
+const u = new URL(location)
+const from = u.searchParams.get("from") || location.href
+let answered = false
+
+const area = document.getElementById("captcha-area")
+const areaBox = area.getBoundingClientRect()
+const width = Math.floor(areaBox.width)
+const height = Math.floor(window.innerHeight - areaBox.bottom - areaBox.left)
+const img = document.createElement("img")
+img.src = `/captcha/img/${width}/${height}`
+img.addEventListener("click", event => {
+	if (answered) return
+	answered = true
+	location = `/captcha/verify/${width}/${height}/${event.offsetX}/${event.offsetY}?` + new URLSearchParams({from})
+})
+area.appendChild(img)
+
+document.addEventListener("keydown", event => {
+	if (event.repeat) {
+		if (answered) return
+		answered = true
+		location = `/captcha/verify/0/0/${event.key}/0?` + new URLSearchParams({from})
+	}
+})

static/countdown.js

@@ -2,7 +2,7 @@
 // sample: bandori/wiki/BanG_Dream!_Wikia
 // sample: ensemble-stars/wiki/The_English_Ensemble_Stars_Wiki
 
-import {h, htm, render, signal, computed, effect} from "./preact.js"
+import {h, htm, render, signal, computed, effect} from "preact"
 const html = htm.bind(h)
 
 const now = signal(Date.now())

static/jsonp.js

@@ -0,0 +1,140 @@
+import {h, htm, render, signal, computed, effect} from "preact"
+const html = htm.bind(h)
+
+// *** Status
+
+const loaded = signal(false)
+export {loaded}
+
+// *** Loading indicator
+
+render(html`Loading, please wait...`, document.getElementById("loading"))
+
+// *** Progress bar
+
+const progress = signal(null)
+
+const progressBar = document.getElementById("progress-bar")
+while (progressBar.childNodes[0] !== undefined) progressBar.childNodes[0].remove() // clear out loading indicators
+
+render(html`<progress value="${progress}" max="1"></progress>`, progressBar)
+
+// *** Incoming data processing
+
+// Handle case where data is immediately available
+cont()
+
+// Handle case where data may become available in the future
+window.proxy = new Proxy(jsonpData, {
+	get(obj, prop) {
+		return value => {
+			obj[prop] = value
+			cont()
+		}
+	}
+})
+
+// *** Data upload and download
+
+async function cont() {
+	// Check for errors
+	for (const v of Object.values(jsonpData)) {
+		if (v.error) return error(v)
+	}
+
+	// Check for completion
+	const dependencies = [...document.querySelectorAll("[data-jsonp-var]")].map(e => e.getAttribute("data-jsonp-var"))
+	for (const d of dependencies) {
+		if (!(d in jsonpData)) return
+	}
+
+	const xhr = new XMLHttpRequest();
+
+	const uploadFraction = 0.7
+
+	const pkg = {
+		url: location.href,
+		init: {
+			method: "POST",
+			body: JSON.stringify({
+				wikiname: BWData.wikiname,
+				path: BWData.path,
+				...jsonpData
+			})
+		}
+	}
+
+	// Upload progress
+	xhr.upload.addEventListener("progress", event => {
+		if (event.lengthComputable) {
+			progress.value = (event.loaded / event.total) * uploadFraction
+		}
+	})
+
+	// Download progress
+	xhr.addEventListener("progress", event => {
+		if (event.lengthComputable) {
+			progress.value = (event.loaded / event.total) * (1 - uploadFraction) + uploadFraction
+		}
+	})
+
+	xhr.addEventListener("load", () => {
+		console.log(xhr)
+		// check for errors
+		if (xhr.status === 500) return fetch(pkg.url, pkg.init).then(res => res.text()).then(error)
+		// check for captcha screen
+		if (xhr.responseXML.head.querySelector('script[src*="captcha.js"]')) return location.reload()
+		// page -> #content
+		const imported = document.importNode(xhr.responseXML.getElementById("content"), true)
+		document.getElementById("content").replaceWith(imported)
+		// page theme
+		// Try to make it a bit more accurate. Normally this is done server-side by sending a `theme=x` cookie with the parse request. But that's not possible in jsonp mode, and there's no equivalent URL query string to set the theme.
+		// Helps on Minecraft wiki. Might not be complete on some wikis.
+		cookieStore.get("theme").then(cookie => {
+			if (cookie && cookie.value !== "default") {
+				document.body.classList.remove("theme-fandomdesktop-light")
+				document.body.classList.remove("theme-fandomdesktop-dark")
+				document.body.removeAttribute("data-theme")
+				document.body.classList.add(`theme-fandomdesktop-${cookie.value}`)
+				document.body.setAttribute("data-theme", cookie.value)
+			}
+		})
+		// <head>
+		document.title = xhr.responseXML.title
+		document.body.className = xhr.responseXML.body.className
+		for (const e of xhr.responseXML.head.children) {
+			const alreadyImported = [...document.querySelectorAll("link[href]")].map(e => e.href)
+			if (e.tagName === "LINK" && !alreadyImported.includes(e.href)) {
+				const imported = document.importNode(e, true)
+				document.head.appendChild(imported)
+			}
+		}
+		// scroll
+		if (location.hash) {
+			document.getElementById(location.hash.slice(1)).scrollIntoView({behavior: "instant"})
+		}
+		// redirects
+		const redirectTo = document.querySelector("#content .redirectMsg a")
+		if (redirectTo) {
+			redirectTo.click()
+		}
+		loaded.value = true
+	})
+
+	xhr.open(pkg.init.method, pkg.url)
+	xhr.responseType = "document"
+	xhr.send(pkg.init.body);
+}
+
+function error(data) {
+	const eContent = document.getElementById("content")
+	while (eContent.childNodes[0] !== undefined) eContent.childNodes[0].remove() // clear out loading indicators
+	document.title = `Error | BreezeWiki`
+	if (typeof data === "string") {
+		render(html`<p><strong>BreezeWiki ran into an error on this page.</strong></p><p>Try reloading the page.</p><p>If this keeps happening, you could <a href="mailto:~cadence/breezewiki-discuss@lists.sr.ht">send a public bug report</a>. Please include the following information:</p><pre>URL: ${window.location.href}${"\n"}${data}</pre>`, eContent)
+	} else if (data.error.code === "missingtitle") {
+		render(html`<p><strong>This page doesn't exist on Fandom.</strong></p><p><small><a href="/${BWData.wikiname}/wiki/Main_Page">Return to the wiki's main page</a></small></p>`, eContent)
+	} else {
+		render(html`<p>BreezeWiki wasn't able to load this page.</p><p><strong>${data.error.code}: ${data.error.info}</strong></p>`, eContent)
+	}
+}

static/main.css

@@ -120,6 +120,9 @@ p {
     background-color: var(--theme-page-background-color);
     padding: 3vw;
 }
+.fandom-community-header__background {
+    transform: none; /* fandom offsets this 46px by default due to their position: fixed top bar */
+}
 
 /* table of contents */
 .toc {
@@ -174,13 +177,13 @@ img {
 }
 
 /* indicate wikipedia links */
-.extiw::after, .external::after {
+svg.external {
+    vertical-align: super;
+}
+.external[href*="wikipedia.org"]::after, .extiw[href*="wikipedia.org"]::after {
     vertical-align: super;
-    content: "[🡕]";
     font-family: serif;
     font-size: smaller;
-}
-.extiw[href*="wikipedia.org"]::after {
     content: "[W]";
 }
 
@@ -218,13 +221,6 @@ a.ext-audiobutton { /* see hearthstone/wiki/Diablo_(Duels_hero) */
   display: inline !important;
 }
 
-/* hide slideshows since they're broken
- * example: ben10/wiki/Celestialsapien_(Classic)#Powers_and_Abilities
- */
-.wikia-slideshow {
-    display: none;
-}
-
 /* animated slots */
 #mw-content-text .animated > :not(.animated-active), #mw-content-text .animated > .animated-subframe > :not(.animated-active) {
     display: inline-block;
@@ -295,7 +291,6 @@ a.ext-audiobutton { /* see hearthstone/wiki/Diablo_(Duels_hero) */
     margin: 0;
     font-size: 14px;
     background: white;
-    color: black;
     border: solid #808080;
     border-width: 0px 1px 1px;
     box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.5);
@@ -332,6 +327,7 @@ a.ext-audiobutton { /* see hearthstone/wiki/Diablo_(Duels_hero) */
     border: none;
     margin: 0;
     line-height: inherit;
+    color: black;
     background: none;
     font: inherit;
     cursor: pointer;
@@ -507,6 +503,10 @@ a.ext-audiobutton { /* see hearthstone/wiki/Diablo_(Duels_hero) */
     .page-title {
         color: var(--theme-body-text-color);
     }
+    /* don't squeeze text alongside infoboxes */
+    .infobox, .portable-infobox {
+        float: none;
+    }
 }
 
 /* *****

static/robots.txt

@@ -2,3 +2,4 @@ User-Agent: *
 Disallow: /*/wiki/*
 Disallow: /proxy
 Disallow: /set-user-settings
+Disallow: /captcha

static/search-suggestions.js

@@ -1,4 +1,4 @@
-import {h, htm, render, signal, computed, effect} from "./preact.js"
+import {h, htm, render, signal, computed, effect, useSignalEffect} from "preact"
 const html = htm.bind(h)
 const classNames = classArr => classArr.filter(el => el).join(" ")
 
@@ -13,6 +13,7 @@ const query = signal("")
 const focus = signal(false)
 const st = signal("ready")
 const suggestions = signal([])
+const enterWasLastKey = signal(false)
 
 // processing functions
 
@@ -49,13 +50,25 @@ function acceptSuggestion(hit) {
 // suggestion list view
 
 function Suggestion(hit) {
+	useSignalEffect(() => {
+		if (enterWasLastKey.value && st.value === "ready") {
+			enterWasLastKey.value.preventDefault()
+			acceptSuggestion(hit)
+		}
+	})
 	return html`<li class="bw-ss__item"><button type="button" class="bw-ss__button" onClick=${() => acceptSuggestion(hit)}>${hit.title}</button></li>`
 }
 
+function DefaultSearch({q}) {
+	if (!q) return ""
+	return html`<li class="bw-ss__item"><button type="submit" class="bw-ss__button">Results for "${q}"</button></li>`
+}
+
 function SuggestionList() {
 	return html`
 <ul class=${classNames(["bw-ss__list", focus.value && "bw-ss__list--focus", `bw-ss__list--${st.value}`])}>
 	${suggestions.value.map(hit => html`<${Suggestion} ...${hit} />`)}
+	<${DefaultSearch} q=${query.value} />
 </ul>`
 }
 
@@ -79,9 +92,15 @@ window.addEventListener("pageshow", () => {
 	st.value = "ready" // unlock results from changing after returning to page
 })
 
+effect(() => {
+	if (enterWasLastKey.value && (st.value === "loading" || st.value === "accepted")) {
+		enterWasLastKey.value.preventDefault() // wait for results before going
+	}
+})
+
 function SuggestionInput() {
 	return html`
-<input type="text" name="q" id="bw-search-input" autocomplete="off" onInput=${e => query.value = e.target.value} value=${query.value} class=${classNames(["bw-ss__input", `bw-ss__input--${st.value}`])} />`
+<input type="text" name="q" id="bw-search-input" autocomplete="off" onInput=${e => query.value = e.target.value} onKeyDown=${e => enterWasLastKey.value = e.key === "Enter" && e} value=${query.value} class=${classNames(["bw-ss__input", `bw-ss__input--${st.value}`])} />`
 }
 
 render(html`<${SuggestionInput} />`, eInput)

static/tabs.js

@@ -1,19 +1,22 @@
-"use strict";
+import {effect} from "preact"
+import {loaded} from "jsonp"
 
 const tabFromHash = location.hash.length > 1 ? location.hash.substring(1) : null
 
-for (const tabber of document.body.querySelectorAll(".wds-tabber")) {
-	for (const [tab, content] of getTabberTabs(tabber)) {
-		// set up click listener on every tab
-		tab.addEventListener("click", e => {
-			setCurrentTab(tabber, tab, content)
-			e.preventDefault()
-		})
+function setUpAllTabs() {
+	for (const tabber of document.body.querySelectorAll(".wds-tabber")) {
+		for (const [tab, content] of getTabberTabs(tabber)) {
+			// set up click listener on every tab
+			tab.addEventListener("click", e => {
+				setCurrentTab(tabber, tab, content)
+				e.preventDefault()
+			})
 
-		// re-open a specific tab on page load based on the URL hash
-		if (tab.dataset.hash === tabFromHash) {
-			setCurrentTab(tabber, tab, content)
-			tab.scrollIntoView()
+			// re-open a specific tab on page load based on the URL hash
+			if (tab.dataset.hash === tabFromHash) {
+				setCurrentTab(tabber, tab, content)
+				tab.scrollIntoView()
+			}
 		}
 	}
 }
@@ -37,4 +40,16 @@ function setCurrentTab(tabber, tab, content) {
 	}
 }
 
+if (!BWData.jsonp) {
+	setUpAllTabs()
+} else if (loaded.value) {
+	setUpAllTabs()
+} else {
+	effect(() => {
+		if (loaded.value) {
+			setUpAllTabs()
+		}
+	})
+}
+
 document.body.classList.remove("bw-tabs-nojs")