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templates.go
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templates.go
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package main
import (
"html/template"
"path"
"strings"
"github.com/oauth2-proxy/oauth2-proxy/v7/pkg/logger"
)
func loadTemplates(dir string) *template.Template {
if dir == "" {
return getTemplates()
}
logger.Printf("using custom template directory %q", dir)
funcMap := template.FuncMap{
"ToUpper": strings.ToUpper,
"ToLower": strings.ToLower,
}
t, err := template.New("").Funcs(funcMap).ParseFiles(path.Join(dir, "sign_in.html"), path.Join(dir, "error.html"))
if err != nil {
logger.Fatalf("failed parsing template %s", err)
}
return t
}
func getTemplates() *template.Template {
t, err := template.New("foo").Parse(`{{define "sign_in.html"}}
<!DOCTYPE html>
<html lang="en" charset="utf-8">
<head>
<title>Sign In</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<style>
body {
font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
font-size: 14px;
line-height: 1.42857143;
color: #333;
background: #f0f0f0;
}
.signin {
display:block;
margin:20px auto;
max-width:400px;
background: #fff;
border:1px solid #ccc;
border-radius: 10px;
padding: 20px;
}
.center {
text-align:center;
}
.btn {
color: #fff;
background-color: #428bca;
border: 1px solid #357ebd;
-webkit-border-radius: 4;
-moz-border-radius: 4;
border-radius: 4px;
font-size: 14px;
padding: 6px 12px;
text-decoration: none;
cursor: pointer;
}
.btn:hover {
background-color: #3071a9;
border-color: #285e8e;
text-decoration: none;
}
label {
display: inline-block;
max-width: 100%;
margin-bottom: 5px;
font-weight: 700;
}
input {
display: block;
width: 100%;
height: 34px;
padding: 6px 12px;
font-size: 14px;
line-height: 1.42857143;
color: #555;
background-color: #fff;
background-image: none;
border: 1px solid #ccc;
border-radius: 4px;
-webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
-webkit-transition: border-color ease-in-out .15s,-webkit-box-shadow ease-in-out .15s;
-o-transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
margin:0;
box-sizing: border-box;
}
footer {
display:block;
font-size:10px;
color:#aaa;
text-align:center;
margin-bottom:10px;
}
footer a {
display:inline-block;
height:25px;
line-height:25px;
color:#aaa;
text-decoration:underline;
}
footer a:hover {
color:#aaa;
}
</style>
</head>
<body>
<div class="signin center">
<form method="GET" action="{{.ProxyPrefix}}/start">
<input type="hidden" name="rd" value="{{.Redirect}}">
{{ if .SignInMessage }}
<p>{{.SignInMessage}}</p>
{{ end}}
<button type="submit" class="btn">Sign in with {{.ProviderName}}</button><br/>
</form>
</div>
{{ if .CustomLogin }}
<div class="signin">
<form method="POST" action="{{.ProxyPrefix}}/sign_in">
<input type="hidden" name="rd" value="{{.Redirect}}">
<label for="username">Username:</label><input type="text" name="username" id="username" size="10"><br/>
<label for="password">Password:</label><input type="password" name="password" id="password" size="10"><br/>
<button type="submit" class="btn">Sign In</button>
</form>
</div>
{{ end }}
<script>
if (window.location.hash) {
(function() {
var inputs = document.getElementsByName('rd');
for (var i = 0; i < inputs.length; i++) {
// Add hash, but make sure it is only added once
var idx = inputs[i].value.indexOf('#');
if (idx >= 0) {
// Remove existing hash from URL
inputs[i].value = inputs[i].value.substr(0, idx);
}
inputs[i].value += window.location.hash;
}
})();
}
</script>
<footer>
{{ if eq .Footer "-" }}
{{ else if eq .Footer ""}}
Secured with <a href="https://github.com/oauth2-proxy/oauth2-proxy#oauth2_proxy">OAuth2 Proxy</a> version {{.Version}}
{{ else }}
{{.Footer}}
{{ end }}
</footer>
</body>
</html>
{{end}}`)
if err != nil {
logger.Fatalf("failed parsing template %s", err)
}
t, err = t.Parse(`{{define "error.html"}}
<!DOCTYPE html>
<html lang="en" charset="utf-8">
<head>
<title>{{.Title}}</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
</head>
<body>
<h2>{{.Title}}</h2>
<p>{{.Message}}</p>
<hr>
<p><a href="{{.ProxyPrefix}}/sign_in">Sign In</a></p>
</body>
</html>{{end}}`)
if err != nil {
logger.Fatalf("failed parsing template %s", err)
}
return t
}