Jakub Zych
4a82240429
- generator in Definition::addItemToSet order: 50000 URL cap, lastmod from the record or the updates manifest (regular file, 5 MiB cap, fail safe), BeforeAddItem (skip) and AddItem (extra XML) festival events, tier or item priority, per-alternate expansion of list type children - priority tiers from golem15.sitemap.priority_tiers, compiled at boot, defaults equal to the PHP getPriorityForUrl rules - frontend_url rewrite of loc, xhtml:link href and the stylesheet href; GET /sitemap.xsl serves the PHP stylesheet byte for byte - golem15_sitemap_settings singleton and Settings model - sitemap:import (PHP ImportCommand) and sitemap:import-winter with the read-only Winter export SQL - urlto and full goldens generated from PHP; TestSitemapImportSmoke
50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
package classes
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import (
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"regexp"
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"strings"
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)
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// The PHP routes.php patterns of the frontend rewrite.
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var (
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locElement = regexp.MustCompile(`<loc>(.*?)</loc>`)
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xhtmlLinkRef = regexp.MustCompile(`(<xhtml:link[^>]*href=")([^"]*)(")`)
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)
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// Rewrite is the frontend_url rewrite of PHP routes.php: with frontendURL
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// set, backendURL is replaced literally (str_replace) inside every loc
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// element, inside every xhtml:link href and in the exact stylesheet href.
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// Both URLs are right-trimmed of slashes first. An empty frontendURL (or
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// "0", which PHP reads as false) leaves xml unchanged.
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func Rewrite(xml, backendURL, frontendURL string) string {
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if frontendURL == "" || frontendURL == "0" {
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return xml
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}
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frontend := strings.TrimRight(frontendURL, "/")
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backend := strings.TrimRight(backendURL, "/")
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replace := func(s string) string {
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if backend == "" {
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return s
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}
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return strings.ReplaceAll(s, backend, frontend)
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}
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xml = locElement.ReplaceAllStringFunc(xml, func(m string) string {
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inner := m[len("<loc>") : len(m)-len("</loc>")]
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return "<loc>" + replace(inner) + "</loc>"
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})
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xml = xhtmlLinkRef.ReplaceAllStringFunc(xml, func(m string) string {
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sub := xhtmlLinkRef.FindStringSubmatch(m)
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return sub[1] + replace(sub[2]) + sub[3]
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})
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if backend != "" {
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xml = strings.ReplaceAll(xml, `href="`+backend+`/sitemap.xsl"`, `href="`+frontend+`/sitemap.xsl"`)
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}
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return xml
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}
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// BackendURL is PHP rtrim(url('/'), '/') for a request whose root URL is
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// root: the URL the rewrite replaces.
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func BackendURL(root string) string {
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return strings.TrimRight(URLTo(root, "/"), "/")
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}
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