2016-08-08 23:32:42 +00:00
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package main
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import (
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"html/template"
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"log"
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"net/http"
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)
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var indexTmpl = template.Must(template.New("index.html").Parse(`<html>
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<body>
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2016-12-23 00:58:21 +00:00
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<form action="/login" method="post">
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2016-08-08 23:32:42 +00:00
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<p>
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Authenticate for:<input type="text" name="cross_client" placeholder="list of client-ids">
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</p>
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<p>
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Extra scopes:<input type="text" name="extra_scopes" placeholder="list of scopes">
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2017-01-09 22:50:17 +00:00
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</p>
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<p>
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Request offline access:<input type="checkbox" name="offline_access" value="yes" checked>
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2016-08-08 23:32:42 +00:00
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</p>
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<input type="submit" value="Login">
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</form>
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</body>
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</html>`))
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func renderIndex(w http.ResponseWriter) {
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renderTemplate(w, indexTmpl, nil)
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}
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type tokenTmplData struct {
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IDToken string
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RefreshToken string
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RedirectURL string
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Claims string
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}
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var tokenTmpl = template.Must(template.New("token.html").Parse(`<html>
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<head>
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<style>
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/* make pre wrap */
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pre {
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white-space: pre-wrap; /* css-3 */
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white-space: -moz-pre-wrap; /* Mozilla, since 1999 */
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white-space: -pre-wrap; /* Opera 4-6 */
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white-space: -o-pre-wrap; /* Opera 7 */
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word-wrap: break-word; /* Internet Explorer 5.5+ */
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}
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</style>
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</head>
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<body>
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<p> Token: <pre><code>{{ .IDToken }}</code></pre></p>
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<p> Claims: <pre><code>{{ .Claims }}</code></pre></p>
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2016-12-23 00:58:21 +00:00
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{{ if .RefreshToken }}
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2016-08-08 23:32:42 +00:00
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<p> Refresh Token: <pre><code>{{ .RefreshToken }}</code></pre></p>
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2016-12-23 00:58:21 +00:00
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<form action="{{ .RedirectURL }}" method="post">
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<input type="hidden" name="refresh_token" value="{{ .RefreshToken }}">
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<input type="submit" value="Redeem refresh token">
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</form>
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{{ end }}
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2016-08-08 23:32:42 +00:00
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</body>
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</html>
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`))
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func renderToken(w http.ResponseWriter, redirectURL, idToken, refreshToken string, claims []byte) {
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renderTemplate(w, tokenTmpl, tokenTmplData{
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IDToken: idToken,
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RefreshToken: refreshToken,
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RedirectURL: redirectURL,
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Claims: string(claims),
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})
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}
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func renderTemplate(w http.ResponseWriter, tmpl *template.Template, data interface{}) {
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err := tmpl.Execute(w, data)
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if err == nil {
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return
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}
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switch err := err.(type) {
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case *template.Error:
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2016-12-13 20:23:16 +00:00
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// An ExecError guarantees that Execute has not written to the underlying reader.
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2016-08-08 23:32:42 +00:00
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log.Printf("Error rendering template %s: %s", tmpl.Name(), err)
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// TODO(ericchiang): replace with better internal server error.
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http.Error(w, "Internal server error", http.StatusInternalServerError)
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default:
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// An error with the underlying write, such as the connection being
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// dropped. Ignore for now.
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}
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}
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