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74 lines
2 KiB
Go
74 lines
2 KiB
Go
package target
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import (
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"bytes"
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"html/template"
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"path/filepath"
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"strings"
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"github.com/spf13/hugo/helpers"
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"github.com/spf13/hugo/hugofs"
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)
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const ALIAS = "<!DOCTYPE html><html><head><link rel=\"canonical\" href=\"{{ .Permalink }}\"/><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" /><meta http-equiv=\"refresh\" content=\"0;url={{ .Permalink }}\" /></head></html>"
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const ALIAS_XHTML = "<!DOCTYPE html><html xmlns=\"http://www.w3.org/1999/xhtml\"><head><link rel=\"canonical\" href=\"{{ .Permalink }}\"/><meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\" /><meta http-equiv=\"refresh\" content=\"0;url={{ .Permalink }}\" /></head></html>"
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var DefaultAliasTemplates *template.Template
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func init() {
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DefaultAliasTemplates = template.New("")
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template.Must(DefaultAliasTemplates.New("alias").Parse(ALIAS))
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template.Must(DefaultAliasTemplates.New("alias-xhtml").Parse(ALIAS_XHTML))
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}
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type AliasPublisher interface {
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Translator
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Publish(string, template.HTML) error
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}
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type HTMLRedirectAlias struct {
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PublishDir string
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Templates *template.Template
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}
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func (h *HTMLRedirectAlias) Translate(alias string) (aliasPath string, err error) {
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if len(alias) <= 0 {
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return
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}
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if strings.HasSuffix(alias, "/") {
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alias = alias + "index.html"
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} else if !strings.HasSuffix(alias, ".html") {
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alias = alias + "/index.html"
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}
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return filepath.Join(h.PublishDir, helpers.MakePath(alias)), nil
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}
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type AliasNode struct {
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Permalink template.HTML
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}
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func (h *HTMLRedirectAlias) Publish(path string, permalink template.HTML) (err error) {
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if path, err = h.Translate(path); err != nil {
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return
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}
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t := "alias"
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if strings.HasSuffix(path, ".xhtml") {
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t = "alias-xhtml"
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}
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template := DefaultAliasTemplates
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if h.Templates != nil {
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template = h.Templates
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}
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buffer := new(bytes.Buffer)
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err = template.ExecuteTemplate(buffer, t, &AliasNode{permalink})
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if err != nil {
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return
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}
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return helpers.WriteToDisk(path, buffer, hugofs.DestinationFS)
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}
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