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Fix error on a redirect page with no link

Browse source 
https://lists.sr.ht/~cadence/breezewiki-discuss/%3CCY2G0E3G55N3.ANW2QREUS5SO%40nixnetmail.com%3E
This commit is contained in:
blankie 2023-12-31 21:55:56 +11:00
parent b8ccd6cc3e
commit 8c914a22c3
Signed by untrusted user: blankie
GPG key ID: CC15FC822C7F61F5
2 changed files with 12 additions and 6 deletions
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9
src/page-wiki-offline.rkt
View file

@ -124,16 +124,19 @@
#:head-data head-data
#:siteinfo (siteinfo-fetch wikiname)
))
(define redirect-msg ((query-selector (attribute-selector 'class "redirectMsg") body)))
(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
(when (and redirect-msg-a
(not (equal? redirect-query-parameter "no")))
(let* ([dest (get-attribute 'href (bits->attributes ((query-selector (λ (t a c) (eq? t 'a)) redirect-msg))))]
(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)

9
src/page-wiki.rkt
View file

@ -80,16 +80,19 @@
#:title title
#:head-data head-data
#:siteinfo siteinfo))
(define redirect-msg ((query-selector (attribute-selector 'class "redirectMsg") body)))
(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
(when (and redirect-msg-a
(not (equal? redirect-query-parameter "no")))
(let* ([dest (get-attribute 'href (bits->attributes ((query-selector (λ (t a c) (eq? t 'a)) redirect-msg))))]
(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)