40 lines
2.2 KiB
HTML
40 lines
2.2 KiB
HTML
{{/* https://github.com/martignoni/hugo-cloak-email */}}
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{{/* Get address, protocol and other parameters */}}
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{{- $address := .Get "address" | default (.Get 0) -}}
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{{- $protocol := .Get "protocol" | default "mailto" -}}
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{{- $class := .Get "class" -}}
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{{- $displaytext := .Get "display" -}}
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{{- $parts := split $address "@" -}}
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{{- $user := (index $parts 0) -}}
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{{- $domain := (index $parts 1) | default "" -}}
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{{- $query := .Get "query" | default "" -}}
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{{/* Compute md5 fingerprint */}}
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{{- $fingerprint := md5 (print (.Get "address") $protocol (index (seq 999 | shuffle) 0)) | truncate 8 "" -}}
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{{/* Set via CSS what is displayed when Javascript is disabled. Query is never displayed */}}
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<style type="text/css">
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#wjs-{{ $fingerprint }}.cloaked-e-mail:before {
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content:{{ with $domain }}attr(data-domain) "\0040" {{ end }}attr(data-user);
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unicode-bidi:bidi-override;
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direction:rtl;
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}
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</style>
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<span class="cloaked-e-mail" data-user="{{ range $index := seq (sub (len $user) 1) 0}}{{ substr $user $index 1}}{{ end }}"{{ with $domain }} data-domain="{{ range $index := seq (sub (len $domain) 1) 0}}{{ substr $domain $index 1}}{{ end }}"{{ end }} id="wjs-{{ $fingerprint }}"></span>
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{{/* Alter display with Javascript by changing DOM */}}
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<script id="id-{{ $fingerprint }}">
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var scriptTag = document.getElementById("id-{{ $fingerprint }}");
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var link = document.createElement("a");
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var address = "{{ range $index := seq (sub (len $user) 1) 0}}{{ substr $user $index 1}}{{ end }}".split('').reverse().join(''){{ with $domain }} + "@" + "{{ range $index := seq (sub (len $domain) 1) 0}}{{ substr $domain $index 1}}{{ end }}".split('').reverse().join(''){{ with $query }} + "?" + "{{ range $index := seq (sub (len $query) 1) 0}}{{ substr $query $index 1}}{{ end }}".split('').reverse().join(''){{ end }}{{ end }};
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link.href = {{ $protocol }} + ":" + address;
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{{ with $displaytext }}
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link.innerText = {{ $displaytext }};
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{{ else }}
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link.innerText = address.split('?')[0];
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{{ end }}
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{{ with $class }}
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link.className = "{{ $class }}";
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{{ end }}
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scriptTag.parentElement.insertBefore(link, scriptTag.previousElementSibling);
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scriptTag.parentElement.removeChild(scriptTag.previousElementSibling)
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</script>
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{{/* The end */}}
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