mirror of https://github.com/vx3r/wg-gen-web.git
312 lines
16 KiB
Go
312 lines
16 KiB
Go
package template
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import (
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"bytes"
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"github.com/vx3r/wg-gen-web/model"
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"github.com/vx3r/wg-gen-web/util"
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"os"
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"path/filepath"
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"strings"
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"text/template"
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)
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var (
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emailTpl = `
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
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<head>
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<!--[if gte mso 9]>
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<xml>
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<o:OfficeDocumentSettings>
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<o:AllowPNG/>
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<o:PixelsPerInch>96</o:PixelsPerInch>
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</o:OfficeDocumentSettings>
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</xml>
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<![endif]-->
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<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta name="format-detection" content="date=no" />
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<meta name="format-detection" content="address=no" />
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<meta name="format-detection" content="telephone=no" />
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<meta name="x-apple-disable-message-reformatting" />
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<!--[if !mso]><!-->
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<link href="https://fonts.googleapis.com/css?family=Muli:400,400i,700,700i" rel="stylesheet" />
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<!--<![endif]-->
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<title>Email Template</title>
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<!--[if gte mso 9]>
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<style type="text/css" media="all">
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sup { font-size: 100% !important; }
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</style>
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<![endif]-->
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<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
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<style type="text/css" media="screen">
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/* Linked Styles */
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body { padding:0 !important; margin:0 !important; display:block !important; min-width:100% !important; width:100% !important; background:#001736; -webkit-text-size-adjust:none }
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a { color:#66c7ff; text-decoration:none }
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p { padding:0 !important; margin:0 !important }
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img { -ms-interpolation-mode: bicubic; /* Allow smoother rendering of resized image in Internet Explorer */ }
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.mcnPreviewText { display: none !important; }
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/* Mobile styles */
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@media only screen and (max-device-width: 480px), only screen and (max-width: 480px) {
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.mobile-shell { width: 100% !important; min-width: 100% !important; }
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.bg { background-size: 100% auto !important; -webkit-background-size: 100% auto !important; }
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.text-header,
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.m-center { text-align: center !important; }
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.center { margin: 0 auto !important; }
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.container { padding: 20px 10px !important }
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.td { width: 100% !important; min-width: 100% !important; }
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.m-br-15 { height: 15px !important; }
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.p30-15 { padding: 30px 15px !important; }
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.m-td,
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.m-hide { display: none !important; width: 0 !important; height: 0 !important; font-size: 0 !important; line-height: 0 !important; min-height: 0 !important; }
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.m-block { display: block !important; }
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.fluid-img img { width: 100% !important; max-width: 100% !important; height: auto !important; }
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.column,
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.column-top,
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.column-empty,
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.column-empty2,
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.column-dir-top { float: left !important; width: 100% !important; display: block !important; }
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.column-empty { padding-bottom: 10px !important; }
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.column-empty2 { padding-bottom: 30px !important; }
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.content-spacing { width: 15px !important; }
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}
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</style>
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</head>
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<body class="body" style="padding:0 !important; margin:0 !important; display:block !important; min-width:100% !important; width:100% !important; background:#001736; -webkit-text-size-adjust:none;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#001736">
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<tr>
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<td align="center" valign="top">
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<table width="650" border="0" cellspacing="0" cellpadding="0" class="mobile-shell">
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<tr>
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<td class="td container" style="width:650px; min-width:650px; font-size:0pt; line-height:0pt; margin:0; font-weight:normal; padding:55px 0px;">
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<!-- Article / Image On The Left - Copy On The Right -->
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td style="padding-bottom: 10px;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="tbrr p30-15" style="padding: 60px 30px; border-radius:26px 26px 0px 0px;" bgcolor="#12325c">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<th class="column-top" width="280" style="font-size:0pt; line-height:0pt; padding:0; margin:0; font-weight:normal; vertical-align:top;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="fluid-img" style="font-size:0pt; line-height:0pt; text-align:left;"><img src="cid:{{.QrcodePngName}}" width="280" height="210" border="0" alt="" /></td>
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</tr>
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</table>
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</th>
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<th class="column-empty2" width="30" style="font-size:0pt; line-height:0pt; padding:0; margin:0; font-weight:normal; vertical-align:top;"></th>
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<th class="column-top" width="280" style="font-size:0pt; line-height:0pt; padding:0; margin:0; font-weight:normal; vertical-align:top;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="h4 pb20" style="color:#ffffff; font-family:'Muli', Arial,sans-serif; font-size:20px; line-height:28px; text-align:left; padding-bottom:20px;">Hello</td>
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</tr>
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<tr>
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<td class="text pb20" style="color:#ffffff; font-family:Arial,sans-serif; font-size:14px; line-height:26px; text-align:left; padding-bottom:20px;">You probably requested VPN configuration. Here is <strong>{{.Client.Name}}</strong> configuration created <strong>{{.Client.Created.Format "Monday, 02 January 06 15:04:05 MST"}}</strong>. Scan the Qrcode or open attached configuration file in VPN client.</td>
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</tr>
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</table>
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</th>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<!-- END Article / Image On The Left - Copy On The Right -->
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<!-- Two Columns / Articles -->
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td style="padding-bottom: 10px;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0" bgcolor="#0e264b">
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<tr>
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<td>
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="p30-15" style="padding: 50px 30px;">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="h3 pb20" style="color:#ffffff; font-family:'Muli', Arial,sans-serif; font-size:25px; line-height:32px; text-align:left; padding-bottom:20px;">About WireGuard</td>
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</tr>
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<tr>
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<td class="text pb20" style="color:#ffffff; font-family:Arial,sans-serif; font-size:14px; line-height:26px; text-align:left; padding-bottom:20px;">WireGuard is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPsec, while avoiding the massive headache. It intends to be considerably more performant than OpenVPN.</td>
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</tr>
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<!-- Button -->
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<tr>
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<td align="left">
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<table border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="blue-button text-button" style="background:#66c7ff; color:#c1cddc; font-family:'Muli', Arial,sans-serif; font-size:14px; line-height:18px; padding:12px 30px; text-align:center; border-radius:0px 22px 22px 22px; font-weight:bold;"><a href="https://www.wireguard.com/install" target="_blank" class="link-white" style="color:#ffffff; text-decoration:none;"><span class="link-white" style="color:#ffffff; text-decoration:none;">Download WireGuard VPN Client</span></a></td>
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</tr>
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</table>
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</td>
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</tr>
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<!-- END Button -->
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<!-- END Two Columns / Articles -->
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<!-- Footer -->
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="p30-15 bbrr" style="padding: 50px 30px; border-radius:0px 0px 26px 26px;" bgcolor="#0e264b">
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<table width="100%" border="0" cellspacing="0" cellpadding="0">
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<tr>
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<td class="text-footer1 pb10" style="color:#c1cddc; font-family:'Muli', Arial,sans-serif; font-size:16px; line-height:20px; text-align:center; padding-bottom:10px;">Wg Gen Web - Simple Web based configuration generator for WireGuard</td>
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</tr>
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<tr>
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<td class="text-footer2" style="color:#8297b3; font-family:'Muli', Arial,sans-serif; font-size:12px; line-height:26px; text-align:center;"><a href="https://github.com/vx3r/wg-gen-web" target="_blank" class="link" style="color:#66c7ff; text-decoration:none;"><span class="link" style="color:#66c7ff; text-decoration:none;">More info on Github</span></a></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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<!-- END Footer -->
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</td>
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</tr>
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</table>
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</td>
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</tr>
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</table>
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</body>
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</html>
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`
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clientTpl = `[Interface]
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Address = {{ StringsJoin .Client.Address ", " }}
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PrivateKey = {{ .Client.PrivateKey }}
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{{ if ne (len .Server.Dns) 0 -}}
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DNS = {{ StringsJoin .Server.Dns ", " }}
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{{- end }}
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{{ if ne .Server.Mtu 0 -}}
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MTU = {{.Server.Mtu}}
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{{- end}}
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[Peer]
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PublicKey = {{ .Server.PublicKey }}
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PresharedKey = {{ .Client.PresharedKey }}
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AllowedIPs = {{ StringsJoin .Client.AllowedIPs ", " }}
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Endpoint = {{ .Server.Endpoint }}
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{{ if and (ne .Server.PersistentKeepalive 0) (not .Client.IgnorePersistentKeepalive) -}}
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PersistentKeepalive = {{.Server.PersistentKeepalive}}
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{{- end}}
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`
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wgTpl = `# Updated: {{ .Server.Updated }} / Created: {{ .Server.Created }}
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[Interface]
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{{- range .Server.Address }}
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Address = {{ . }}
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{{- end }}
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ListenPort = {{ .Server.ListenPort }}
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PrivateKey = {{ .Server.PrivateKey }}
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{{ if ne .Server.Mtu 0 -}}
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MTU = {{.Server.Mtu}}
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{{- end}}
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PreUp = {{ .Server.PreUp }}
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PostUp = {{ .Server.PostUp }}
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PreDown = {{ .Server.PreDown }}
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PostDown = {{ .Server.PostDown }}
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{{- range .Clients }}
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{{ if .Enable -}}
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# {{.Name}} / {{.Email}} / Updated: {{.Updated}} / Created: {{.Created}}
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[Peer]
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PublicKey = {{ .PublicKey }}
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PresharedKey = {{ .PresharedKey }}
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AllowedIPs = {{ StringsJoin .Address ", " }}
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{{- end }}
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{{ end }}`
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)
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// DumpClientWg dump client wg config with go template
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func DumpClientWg(client *model.Client, server *model.Server) ([]byte, error) {
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t, err := template.New("client").Funcs(template.FuncMap{"StringsJoin": strings.Join}).Parse(clientTpl)
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if err != nil {
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return nil, err
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}
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return dump(t, struct {
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Client *model.Client
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Server *model.Server
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}{
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Client: client,
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Server: server,
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})
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}
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// DumpServerWg dump server wg config with go template, write it to file and return bytes
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func DumpServerWg(clients []*model.Client, server *model.Server) ([]byte, error) {
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t, err := template.New("server").Funcs(template.FuncMap{"StringsJoin": strings.Join}).Parse(wgTpl)
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if err != nil {
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return nil, err
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}
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configDataWg, err := dump(t, struct {
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Clients []*model.Client
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Server *model.Server
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}{
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Clients: clients,
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Server: server,
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})
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if err != nil {
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return nil, err
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}
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err = util.WriteFile(filepath.Join(os.Getenv("WG_CONF_DIR"), os.Getenv("WG_INTERFACE_NAME")), configDataWg)
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if err != nil {
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return nil, err
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}
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return configDataWg, nil
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}
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// DumpEmail dump server wg config with go template
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func DumpEmail(client *model.Client, qrcodePngName string) ([]byte, error) {
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t, err := template.New("email").Parse(emailTpl)
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if err != nil {
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return nil, err
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}
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return dump(t, struct {
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Client *model.Client
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QrcodePngName string
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}{
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Client: client,
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QrcodePngName: qrcodePngName,
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})
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}
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func dump(tpl *template.Template, data interface{}) ([]byte, error) {
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var tplBuff bytes.Buffer
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err := tpl.Execute(&tplBuff, data)
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if err != nil {
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return nil, err
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}
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return tplBuff.Bytes(), nil
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}
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