2016-07-26 01:30:28 +05:30
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package server
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import (
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"log"
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"net/http"
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"text/template"
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"github.com/coreos/poke/storage"
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)
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type connectorInfo struct {
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DisplayName string
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URL string
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}
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var loginTmpl = template.Must(template.New("login-template").Parse(`<html>
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<head></head>
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<body>
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<p>Login options</p>
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{{ range $i, $connector := .Connectors }}
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<a href="{{ $connector.URL }}?state={{ $.State }}">{{ $connector.DisplayName }}</a>
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{{ end }}
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</body>
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</html>`))
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func renderLoginOptions(w http.ResponseWriter, connectors []connectorInfo, state string) {
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data := struct {
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Connectors []connectorInfo
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State string
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}{connectors, state}
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renderTemplate(w, loginTmpl, data)
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}
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var passwordTmpl = template.Must(template.New("password-template").Parse(`<html>
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<body>
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<p>Login</p>
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<form action="{{ .Callback }}" method="POST">
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Login: <input type="text" name="login"/><br/>
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Password: <input type="password" name="password"/><br/>
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<input type="hidden" name="state" value="{{ .State }}"/>
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<input type="submit"/>
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{{ if .Message }}
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<p>Error: {{ .Message }}</p>
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{{ end }}
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</form>
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</body>
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</html>`))
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func renderPasswordTmpl(w http.ResponseWriter, state, callback, message string) {
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data := struct {
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State string
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Callback string
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Message string
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}{state, callback, message}
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renderTemplate(w, passwordTmpl, data)
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}
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var approvalTmpl = template.Must(template.New("approval-template").Parse(`<html>
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<body>
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<p>User: {{ .User }}</p>
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<p>Client: {{ .ClientName }}</p>
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<form method="post">
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<input type="hidden" name="state" value="{{ .State }}"/>
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<input type="hidden" name="approval" value="approve">
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<button type="submit">Approve</button>
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</form>
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<form method="post">
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<input type="hidden" name="state" value="{{ .State }}"/>
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<input type="hidden" name="approval" value="reject">
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<button type="submit">Reject</button>
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</form>
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</body>
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</html>`))
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2016-08-03 10:27:36 +05:30
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func renderApprovalTmpl(w http.ResponseWriter, state string, identity storage.Claims, client storage.Client, scopes []string) {
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2016-07-26 01:30:28 +05:30
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data := struct {
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User string
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ClientName string
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State string
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}{identity.Email, client.Name, state}
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renderTemplate(w, approvalTmpl, data)
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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.ExecError:
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// An ExecError guarentees that Execute has not written to the underlying reader.
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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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