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serverx: Support html, text, json in DefaultNotFoundHandler (#42)
Signed-off-by: aeneasr <aeneas@ory.sh>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,61 @@ | ||
| package serverx | ||
|
|
||
| import "net/http" | ||
| import ( | ||
| "mime" | ||
| "net/http" | ||
| "strings" | ||
|
|
||
| "github.com/ory/x/stringslice" | ||
| "github.com/ory/x/stringsx" | ||
| ) | ||
|
|
||
| func matchesContentTypes(r *http.Request, mimetypes []string) bool { | ||
| contentType := stringsx.Coalesce(r.Header.Get("Content-type"), "application/octet-stream") | ||
|
|
||
| for _, v := range strings.Split(contentType, ",") { | ||
| t, _, err := mime.ParseMediaType(v) | ||
| if err != nil { | ||
| break | ||
| } | ||
| if stringslice.Has(mimetypes, t) { | ||
| return true | ||
| } | ||
| } | ||
| return false | ||
| } | ||
|
|
||
| // DefaultNotFoundHandler is a default handler for handling 404 errors. | ||
| var DefaultNotFoundHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| w.WriteHeader(http.StatusNotFound) | ||
|
|
||
| if r.Header.Get("Content-type") == "application/json" { | ||
| _, _ = w.Write([]byte(`{"error": "The requested route does not exist"}`)) // #nosec | ||
| if matchesContentTypes(r, []string{ | ||
| "text/html", | ||
| "application/xhtml+xml", | ||
| "application/xml", | ||
| }) { | ||
| _, _ = w.Write([]byte(`<!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="UTF-8"> | ||
| <title>404 - Route not found</title> | ||
| <style>*{transition:all .6s}html{height:100%}body{font-family:sans-serif;color:#888;margin:0}#main{display:table;width:100%;height:100vh;text-align:center}.fof{display:table-cell;vertical-align:middle}.fof h1{font-size:50px;display:inline-block;padding-right:12px;margin-bottom:12px;animation:type .5s alternate infinite}@keyframes type{from{box-shadow:inset -3px 0 0 #888}to{box-shadow:inset -3px 0 0 transparent}}</style> | ||
| </head> | ||
| <body translate="no"> | ||
| <div id="main"> | ||
| <div class="fof"> | ||
| <h1>Error 404</h1> | ||
| <p>The requested route does not exist. Make sure you are using the right path, domain, and port.</p> | ||
| </div> | ||
| </div> | ||
| </body> | ||
| </html>`)) // #nosec | ||
| return | ||
| } else if matchesContentTypes(r, []string{ | ||
| "text/plain", | ||
| }) { | ||
| _, _ = w.Write([]byte(`Error 404 - The requested route does not exist. Make sure you are using the right path, domain, and port.`)) // #nosec | ||
| return | ||
| } | ||
|
|
||
| _, _ = w.Write([]byte(`The request route does not exist`)) // #nosec | ||
| _, _ = w.Write([]byte(`{"error": "Error 404 - The requested route does not exist. Make sure you are using the right path, domain, and port."}`)) // #nosec | ||
| }) |