contented/preview.go

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package contented
import (
"fmt"
"html"
"log"
"net/http"
"os"
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"strings"
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"time"
)
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func (this *Server) handlePreview(w http.ResponseWriter, fileIDList string) {
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fileIDs := strings.Split(fileIDList, `-`)
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tmpl := `<!DOCTYPE html>
<html>
<head>
<title>` + html.EscapeString(this.opts.ServerPublicProperties.AppTitle) + `</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
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<style type="text/css">
html, body {
background: #333;
color: #F0F0F0;
font-family: sans-serif;
}
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.entry {
display: inline-block;
margin: 4px;
border-radius: 4px;
max-width: 340px;
}
.thumbnail {
line-height: 0;
width: 340px;
text-align: center;
}
.properties {
background: #000;
padding: 4px;
word-break: break-word;
}
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</style>
</head>
<body>
<div class="container">
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`
for _, fileID := range fileIDs {
m, err := this.Metadata(fileID)
if err != nil {
if os.IsNotExist(err) {
http.Error(w, "Not found", 404)
return
}
log.Println(err.Error())
http.Error(w, "Internal error", 500)
return
}
tmpl += `
<div class="entry">
<div class="thumbnail">
<a href="` + html.EscapeString(`/get/`+fileID) + `"><img src="` + html.EscapeString(`/thumb/m/`+fileID) + `"></a>
</div>
<div class="properties">
<b>Name:</b> ` + html.EscapeString(m.Filename) + `<br>
<b>Hash:</b> <span title="` + html.EscapeString(m.FileHash) + `">hover</span><br>
<b>File type:</b> ` + html.EscapeString(m.MimeType) + `<br>
<b>Size:</b> ` + html.EscapeString(fmt.Sprintf("%d", m.FileSize)) + `<br>
<b>Uploader:</b> ` + html.EscapeString(m.UploadIP) + `<br>
<b>Uploaded at:</b> ` + html.EscapeString(m.UploadTime.Format(time.RFC3339)) + `<br>
</div>
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</div>
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`
}
if this.opts.EnableHomepage {
tmpl += `
<div class="return">
<button onclick="window.location.href='/'">Again...</button>
</div>
`
}
tmpl += `
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</div>
</body>
</html>`
w.Header().Set(`Content-Type`, `text/html; charset=UTF-8`)
w.Header().Set(`Content-Length`, fmt.Sprintf("%d", len(tmpl)))
w.WriteHeader(200)
w.Write([]byte(tmpl))
}