add: [sshd] html templating
Jean-Louis Huynen
parent
3812ce4492
commit
b874e6c172
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@ -0,0 +1,56 @@
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function imgLoad(image) {
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'use strict';
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// Create new promise with the Promise() constructor;
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// This has as its argument a function with two parameters, resolve and reject
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return new Promise(function (resolve, reject) {
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// Standard XHR to load an image
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var request = new XMLHttpRequest();
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var url = 'http://127.0.0.1:4444/data/sshd/'+image+'.svg'
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request.open('GET', url);
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request.responseType = 'blob';
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// When the request loads, check whether it was successful
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request.onload = function () {
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if (request.status === 200) {
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// If successful, resolve the promise by passing back the request response
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resolve(request.response);
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} else {
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// If it fails, reject the promise with a error message
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reject(new Error('Image didn\'t load successfully; error code:' + request.statusText));
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}
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};
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request.onerror = function () {
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// Also deal with the case when the entire request fails to begin with
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// This is probably a network error, so reject the promise with an appropriate message
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reject(new Error('There was a network error.'));
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};
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// Send the request
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request.send();
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});
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}
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function loadImage(date, type) {
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'use strict';
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console.log(date);
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console.log(type);
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// Get a reference to the body element, and create a new image object
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var holder = document.querySelector('#imageholder'),
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myImage = new Image();
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myImage.crossOrigin = ""; // or "anonymous"
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// Call the function with the URL we want to load, but then chain the
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// promise then() method on to the end of it. This contains two callbacks
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imgLoad(date+'/'+date+':'+type).then(function (response) {
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// The first runs when the promise resolves, with the request.reponse specified within the resolve() method.
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var imageURL = window.URL.createObjectURL(response);
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myImage.src = imageURL;
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holder.innerHTML = "";
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holder.appendChild(myImage);
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// The second runs when the promise is rejected, and logs the Error specified with the reject() method.
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}, function (Error) {
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console.log(Error);
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});
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}
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@ -2,6 +2,7 @@ package logparser
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import (
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"fmt"
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"html/template"
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"log"
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"math"
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"os"
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@ -83,7 +84,7 @@ func (s *SshdParser) Parse(logline string) error {
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// Check if dates are the same
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if oldest != dstr {
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// Check who is the oldest
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parsedOldest, _ := time.Parse("2006-01-02", oldest)
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parsedOldest, _ := time.Parse("20060102", oldest)
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if parsedTime.Before(parsedOldest) {
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r.Do("SET", "oldest", dstr)
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}
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@ -101,7 +102,7 @@ func (s *SshdParser) Parse(logline string) error {
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// Check if dates are the same
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if newest != dstr {
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// Check who is the newest
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parsedNewest, _ := time.Parse("2006-01-02", newest)
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parsedNewest, _ := time.Parse("20060102", newest)
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if parsedTime.After(parsedNewest) {
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r.Do("SET", "newest", dstr)
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}
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@ -228,6 +229,95 @@ func (s *SshdParser) Compile() error {
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}
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}
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// Write html file for navigating plots
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const tpl = `
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>{{.Title}}</title>
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<script>
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var currentType = "statsusername";
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var currentDay = {{.MaxDate}};
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</script>
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<script src="load.js"></script>
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<style>
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body {
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background: white
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}
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#imageholder {
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background: black;
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color: white;
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padding: 1em;
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position: absolute;
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top: 50%;
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left: 50%;
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margin-right: -50%;
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transform: translate(-50%, -40%)
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}
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span {
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float: left;
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clear: left;
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}
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</style>
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</head>
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<body onload="loadImage({{.Current}}, currentType)">
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<span>
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<label for="statsday">Statistics for: </label>
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<input id="statsday" type="date" value="{{.MaxDate}}" min="{{.MinDate}}" max="{{.MaxDate}}" onchange="currentDay = this.value.replace(/-/g, ''); loadImage(currentDay, currentType)"/>
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</span>
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<span>
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<label for="statstype">Type: </label>
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<select selected="statsusername" onchange="currentType = this.value; loadImage(currentDay.replace(/-/g, ''), currentType)">
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<option value="statsusername">Usernames</option>
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<option value="statssrc">Sources</option>
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<option value="statshost">Hosts</option>
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</select>
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</span>
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<span id="imageholder"></span>
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</body>
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</html>`
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// Get oldest / newest entries
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var newest string
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var oldest string
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if newest, err = redis.String(r.Do("GET", "newest")); err == redis.ErrNil {
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r.Close()
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return err
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}
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if oldest, err = redis.String(r.Do("GET", "oldest")); err == redis.ErrNil {
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r.Close()
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return err
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}
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parsedOldest, _ := time.Parse("20060102", oldest)
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parsedNewest, _ := time.Parse("20060102", newest)
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parsedOldestStr := parsedOldest.Format("2006-01-02")
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parsedNewestStr := parsedNewest.Format("2006-01-02")
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check := func(err error) {
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if err != nil {
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log.Fatal(err)
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}
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}
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t, err := template.New("webpage").Parse(tpl)
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check(err)
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data := struct {
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Title string
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Current string
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MinDate string
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MaxDate string
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}{
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Title: "sshd failed logins statistics",
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MinDate: parsedOldestStr,
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MaxDate: parsedNewestStr,
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Current: newest,
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}
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f, err := os.OpenFile("statistics.html", os.O_RDWR|os.O_CREATE, 0666)
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defer f.Close()
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err = t.Execute(f, data)
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check(err)
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return nil
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}
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@ -286,7 +376,6 @@ func plotStats(s *SshdParser, v string) error {
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p.NominalY(keys...)
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// Create folder to store plots
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if _, err := os.Stat("data"); os.IsNotExist(err) {
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err := os.Mkdir("data", 0700)
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if err != nil {
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@ -294,15 +383,22 @@ func plotStats(s *SshdParser, v string) error {
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}
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}
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if _, err := os.Stat(filepath.Join("data", stype[0])); os.IsNotExist(err) {
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err := os.Mkdir(filepath.Join("data", stype[0]), 0700)
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if _, err := os.Stat(filepath.Join("data", "sshd")); os.IsNotExist(err) {
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err := os.Mkdir(filepath.Join("data", "sshd"), 0700)
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if err != nil {
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return err
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}
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}
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if _, err := os.Stat(filepath.Join("data", "sshd", stype[0])); os.IsNotExist(err) {
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err := os.Mkdir(filepath.Join("data", "sshd", stype[0]), 0700)
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if err != nil {
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return err
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}
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}
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xsize := 3 + vg.Length(math.Round(float64(len(keys)/2)))
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if err := p.Save(15*vg.Centimeter, xsize*vg.Centimeter, filepath.Join("data", stype[0], fmt.Sprintf("%v.svg", v))); err != nil {
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if err := p.Save(15*vg.Centimeter, xsize*vg.Centimeter, filepath.Join("data", "sshd", stype[0], fmt.Sprintf("%v.svg", v))); err != nil {
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return err
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}
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