119 lines
2.9 KiB
Go
119 lines
2.9 KiB
Go
package contented
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import (
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"fmt"
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"html"
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"log"
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"net/http"
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"os"
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"strings"
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"time"
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)
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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>
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<html prefix="og: http://ogp.me/ns#">
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<head>
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<title>` + html.EscapeString(this.opts.ServerPublicProperties.AppTitle) + `</title>
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<meta property="og:title" content="` + html.EscapeString(this.opts.ServerPublicProperties.AppTitle) + `" />
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<meta property="og:site_name" content="` + html.EscapeString(this.opts.ServerPublicProperties.AppTitle) + `" />
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<meta property="og:type" content="website" />
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`
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if len(this.opts.ServerPublicProperties.CanonicalBaseURL) > 0 {
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tmpl += `
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<meta property="og:url" content="` + html.EscapeString(this.opts.ServerPublicProperties.CanonicalBaseURL+`p/`+fileIDList) + `" />
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`
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}
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for _, fileID := range fileIDs {
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tmpl += `
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<meta property="og:image" content="` + html.EscapeString(`/thumb/m/`+fileID) + `" />
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<meta property="og:image:type" content="image/jpeg" />
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<meta property="og:image:width" content="300" />
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<meta property="og:image:height" content="300" />
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`
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}
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tmpl += `
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<style type="text/css">
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html, body {
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background: #333;
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color: #F0F0F0;
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font-family: sans-serif;
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}
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.entry {
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display: inline-block;
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margin: 4px;
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border-radius: 4px;
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max-width: 340px;
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}
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.thumbnail {
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line-height: 0;
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width: 340px;
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text-align: center;
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}
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.properties {
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background: #000;
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padding: 4px;
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word-break: break-word;
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}
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</style>
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</head>
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<body>
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<div class="container">
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`
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for _, fileID := range fileIDs {
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m, err := this.Metadata(fileID)
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if err != nil {
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if os.IsNotExist(err) {
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http.Error(w, "Not found", 404)
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return
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}
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log.Println(err.Error())
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http.Error(w, "Internal error", 500)
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return
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}
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tmpl += `
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<div class="entry">
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<div class="thumbnail">
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<a href="` + html.EscapeString(`/get/`+fileID) + `"><img src="` + html.EscapeString(`/thumb/m/`+fileID) + `"></a>
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</div>
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<div class="properties">
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<b>Name:</b> ` + html.EscapeString(m.Filename) + `<br>
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<b>Hash:</b> <span title="` + html.EscapeString(m.FileHash) + `">hover</span><br>
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<b>File type:</b> ` + html.EscapeString(m.MimeType) + `<br>
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<b>Size:</b> ` + html.EscapeString(fmt.Sprintf("%d", m.FileSize)) + `<br>
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<b>Uploader:</b> ` + html.EscapeString(m.UploadIP) + `<br>
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<b>Uploaded at:</b> ` + html.EscapeString(m.UploadTime.Format(time.RFC3339)) + `<br>
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</div>
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</div>
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`
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}
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if this.opts.EnableHomepage {
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tmpl += `
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<div class="return">
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<button onclick="window.location.href='/'">Again...</button>
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</div>
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`
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}
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tmpl += `
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</div>
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</body>
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</html>`
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w.Header().Set(`Content-Type`, `text/html; charset=UTF-8`)
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w.Header().Set(`Content-Length`, fmt.Sprintf("%d", len(tmpl)))
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w.WriteHeader(200)
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w.Write([]byte(tmpl))
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}
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